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EP0401060B1 - Verfahren und elektrische, elektronische und mechanische Vorrichtung zum Verteilen, Dosieren oder Diffundieren, von flüssigen oder gasförmigen Aromen, Arzneien und anderen flüssigen oder viskösen Produkten - Google Patents

Verfahren und elektrische, elektronische und mechanische Vorrichtung zum Verteilen, Dosieren oder Diffundieren, von flüssigen oder gasförmigen Aromen, Arzneien und anderen flüssigen oder viskösen Produkten Download PDF

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Publication number
EP0401060B1
EP0401060B1 EP90401148A EP90401148A EP0401060B1 EP 0401060 B1 EP0401060 B1 EP 0401060B1 EP 90401148 A EP90401148 A EP 90401148A EP 90401148 A EP90401148 A EP 90401148A EP 0401060 B1 EP0401060 B1 EP 0401060B1
Authority
EP
European Patent Office
Prior art keywords
liquid
pump
diffuser according
spray
plunger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90401148A
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English (en)
French (fr)
Other versions
EP0401060A1 (de
Inventor
Yves Privas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Conceptair Anstalt
Original Assignee
Conceptair Anstalt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR898907214A external-priority patent/FR2647678B1/fr
Priority claimed from FR8912685A external-priority patent/FR2652282A1/fr
Application filed by Conceptair Anstalt filed Critical Conceptair Anstalt
Priority to AT90401148T priority Critical patent/ATE91091T1/de
Publication of EP0401060A1 publication Critical patent/EP0401060A1/de
Application granted granted Critical
Publication of EP0401060B1 publication Critical patent/EP0401060B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/1686—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed involving vaporisation of the material to be sprayed or of an atomising-fluid-generating product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/168—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed with means for heating or cooling after mixing

Definitions

  • the present invention relates to the distribution, metering and diffusion in space, in sprayed or unsprayed form, or vaporized of all bodies of liquid phase without alteration or modification of the original properties and aromas, and making it possible to find with perfect fidelity the original scent, in particular of the perfume, or the physical, chemical and therapeutic qualities of the medicinal, hygienic, cosmetic or sanitation solutions.
  • the present invention thus relates to a method of diffusion and a diffuser of liquid products and, in particular, of perfumes, insecticides, drugs, cosmetics, water, etc.
  • the diffusion can be carried out by natural or forced convection or be generated by a predetermined heat source.
  • Diffusers are known in which the supply means consist of a rod, or wick, of porous material which is immersed in a bottle containing the product to be diffused and ensures its ascent by capillarity.
  • the supply means consist of a simple tube immersed in the liquid and operating by gravity or by pressure or vacuum or ventilated drip.
  • diffusers have certain drawbacks due to the fact that they do not make it possible to avoid phenomena of carbonization and overheating which cause cracking or oxidation of the active principles of the product to be diffused. In addition, they do not ensure the regularity of the evaporation process and the constancy of its speed which are the conditions necessary for the properties of the aromas of the original product to be maintained during use, due to the saturation of the wick for example.
  • the invention therefore aims to provide a method and a diffuser of the type indicated above but which does not have the drawbacks which have just been indicated, while obtaining a spraying of a quality higher than that which is currently obtained with aerosols.
  • the present invention also relates to a diffuser comprising a spraying pump with a push button for actuating the pump to transmit a pressing force on this push button to a liquid delivery piston, a return spring of the piston towards a position rest, an outlet nozzle for dividing the liquid by the effect of pressure
  • the diffuser comprising mechanical actuating means having an actuating member which is adapted to press on the pusher, characterized in that said member d actuation is arranged, at rest, at a predetermined distance from the pusher of the pump, and said actuating means are adapted to accelerate said actuating member over said predetermined distance before coming into contact with the pump, which provides an instantaneous internal pressure causing a spraying in which the particles of the divided liquid have a dimension less than or equal to 45 microns approx iron, depending on the surface tension of the liquid expelled.
  • the invention applies more particularly to pumps of the type with manual actuation normally by a finger, the chamber of which measures from 5 to 100 microliters.
  • the ejection actuation duration of such a pump must be of the order of 1 to 10 milliseconds.
  • the pump is at precompression, for example of a type as described in French patents 2,305,241 or 2,403,465.
  • the use of an ordinary aerosol, with propellant in the container of liquid, dissolved or not, does not allow obtain the fine spraying of a pump operating under high pressure.
  • the movement of the valve stem only controls the opening of the valve.
  • the output of the liquid depends only on the pressure of the propellant gas and is independent of the speed of actuation.
  • the dimensions of the scattered particles can be further reduced by ricocheting them against a smooth surface, maintained at an appropriate temperature, and if necessary vibrating.
  • An ultrasonic transducer is provided with a very high resonance frequency ⁇ 1700 KHz to ensure good directivity and good range of the particles of liquid expelled at very high speed and pressure micronized to 45 ⁇ or less in the form of spray.
  • the particles are refragmented between 0.1 and 10 ⁇ by the piezoelectric vibration of the transducer more effective than if we put a drop of greater concentration. It has been found that particles of this size ( ⁇ 2.5 ⁇ m) remain in suspension in the air, while larger particles fall. The smaller the particles, the faster the vaporization.
  • the wall of the surface is advantageously smooth, to avoid the attachment of the particles, and promote their bursting, in particular under the thermal effect.
  • the surface is heated as a function of the ambient temperature, on the one hand, and the temperature of the liquid being vaporized on the other, in order to keep the temperature at the outlet of the diffuser substantially constant, at a value higher than the surface evaporation temperature of the component to be evaporated.
  • the backscattering surface can be confined within a chamber.
  • edges of the wall of the chamber are hemmed.
  • the surface can also be convex, for example spherical.
  • the diffuser according to the invention ensures a constant vaporization speed, and this, always at a predetermined temperature as a function of the boiling point of the volatile components, and thus prevents the volatile components from being cracked or oxidized.
  • the heating means are constituted by an electrical resistance and its control means are associated in the form of a tilting thermistor with positive temperature coefficient with direct heating, called PTC thermistor, it is that is to say a thermosensitive resistance, constituted by a semiconductor, the resistance of which increases suddenly when its temperature, increasing, reaches a specific value.
  • PTC positive temperature coefficient
  • Metallic PTC ceramics are supplied either in the naked state or in the form of leaded elements, in insulating tubes. They are small, efficient, reliable and inexpensive. In fact, they appear to be the ideal devices for applications for which rapid warm-up must be provided followed by moderate continuous dissipation.
  • the resistance control means can advantageously cooperate with a heating surface fed by this resistance and onto which lead the means for supplying the product to be diffused, for example a metal fractionation chamber placed at the outlet of the pump.
  • the control means can then include a thermocouple or thermostat housed in a recess of the metal diffuser and connected to a means of cutting the heating of the resistance.
  • thermistor In the preferred case of using a thermistor (PTC), the body of the latter is brought into contact with the liquid leaving a spray nozzle. The thermistor then automatically fulfills the role of regulator defined above, at the same time as that of heating element, without any thermostat or control circuit.
  • the spray pump is actuated by a plunger controlled by a solenoid, acting directly or by means of a lever in the pulled or pushed direction.
  • a solenoid when the solenoid has an armature, permanent magnetic masses or magnets act on the plunger so that the solenoid only has to exert a relatively weak force to actuate the plunger which is at the limit of the tipping point to actuate the pump, for example ten percent or less of the normal actuating force of the plunger (ex: if a force of 2 Kg 300 is required, the magnets are calculated for 2 Kg 200), and consequently, energy saving 40% electric.
  • the plunger can take off under the force of the return spring, almost balanced by the permanent magnets, it is provided according to the invention to place a rubber damper or the like at the end of the core, which prevents it sticking, absorbs the shock of the nucleus in the solenoid and returns it by rebound effect. It is thus possible to activate the pump very quickly. For example, it is possible to obtain a compression stroke in a time of less than 10 milliseconds for pumps of the type defined above.
  • the plunger may include magnets and a magnetic mass such as soft iron. It can even include magnets and no magnetic mass.
  • a gear motor which gradually tends a powerful spring whose powerful and immediate relaxation is obtained by a cam profile.
  • the operation of the pump can be ensured by relaxing a spring, with a cam profile, the spring tension being obtained by manual rotation of a cam, the sudden relaxation of the spring being made by exhaust.
  • the relaxation can also be obtained by rotation of a magnet, to change its polarities with respect to another magnet, so as to repel the latter after having attracted it.
  • the actuation and heating device can be powered by batteries, rechargeable batteries or by the sector, or other means creating electrical energy.
  • the product diffused by the pump can also be accompanied, or entrained by a stream of air, if necessary heated.
  • a product under particular conditions, for example for the presence of at least one person in a local.
  • This presence can be detected by a radar or by a doppler effect, which triggers the operation of the device (infrared systems can be used in some cases but for the time being, are less safe in the presence of the sun).
  • EEPROM type Programming of the operation of the device can be ensured by a memory of the EEPROM type, (for example projection of deodorant or perfume at certain times in the underground corridors of public transport; by satellite system to accompany information or advertising, promotional announcements ; by gas presence detector; etc.).
  • the device of the invention can use a vaporizing pump without air intake, it can operate in all positions and in all places: on the ground, on the wall, on the ceiling, even in a rarefied atmosphere. It can fully restore a drug or a fragrance, without burning or carbonizing the particles emitted.
  • the device can be of reduced dimensions, for example of the order of those of a pack of cigarettes.
  • FIG. 1 there is shown a container 1 intended to contain a liquid product, to spread in the air, for example to perfume a space, medically treat an environment, do a fumigation, spray a cosmetic, etc.
  • This container is equipped with a precompression pump, for example of a type as described in the French patents cited above.
  • This pump is crimped into the opening of the container by a capsule 2, and can be actuated by depressing a piston by means of a pusher 30 mounted on the rod 3, which projects outside, to allow this actuation.
  • the pusher 30 is provided with a washer 4 which is integral therewith.
  • This pusher can for example be of the type described in French patent application 8905017 of April 14, 1989.
  • the actuation of the pump is therefore done by depressing the washer 4, to cause the expulsion of the product from the container 1, however that when the user stops pressing the piston rod, the latter is brought up by a suitably arranged return spring.
  • the washer 4 is pressed by means of a lever 21 articulated at 5, and one end 21a of which has a rounded fork, the rounding being placed on the washer 4.
  • the other arm or end 21b of the lever 21 is connected to a magnetic plunger 10, for example by a pin 8 passing through a slot formed in the plunger and passing through a slot 9 formed in the end of the lever arm.
  • the plunger is movable in the cavity 11 of a solenoid 12, the frame 13 of which can be rectangular or cylindrical.
  • the stroke of the pump is rapid and violent, which makes it possible to avoid the usual formation of a large drop and to have drops of a size of the order of 25 microns.
  • great pressure it is possible to obtain, for certain products such as alcohol, a spraying of the order of 10 to 20 microns.
  • the usual precompression pumps emit doses in the order of a fraction of a cubic centimeter.
  • the usual manual actuation is done in 150 approximately milliseconds.
  • the actuation is done in 10 ms, it develops in the outlet channel of the pump, up to the nozzle, a very high pressure which can, under these conditions, reach 40 bars or more. We will take care to have a nozzle that can withstand such pressure.
  • a damper 15 between the inner end of the core and the bottom of the frame preferably in the shape of a star and in silicone or similar material, preferably heat resistant and of blind hardness A 20 + 10, to attenuate the noise emanating from the vibratory shocks.
  • the shock absorber can also be made of metallic braid.
  • the triggering can be carried out in different ways: volumetric radar, push button, aspiration of a patient, contact, infrared, photoelectric cell, magnetic detection, etc.
  • the spray is lateral to the axis of the pump.
  • This is provided with a pusher 50 with lateral nozzle.
  • the actuating device is placed above the pump, that is to say in the axis of the actuating rod 3 of the piston.
  • This device essentially comprises a solenoid with a plunger, movable inside the solenoid, acting directly on the valve plunger.
  • the plunger can move between two positions: a rest position, represented in FIG. 2, and a position in which the magnetic mass 10 is lowered by the attraction exerted by the solenoid, position in which it fully depresses at the end of the stroke. the pusher 50.
  • the plunger in the rest position can be detached from the pusher by a certain distance "d". This can be obtained by a spring 52.
  • the plunger plunger When the plunger plunger is biased by the solenoid, it travels the distance "d" before coming into contact with the pusher and therefore strikes the latter with a certain speed.
  • the plunger is driven immediately with a significant initial speed and the pressure in the pump rises immediately and to a higher value. This effect inertia can be reinforced by loading the mass of the plunger, or by choosing a fairly heavy plunger.
  • the preliminary stroke "d" of the plunger may be of the same order, or a little less: 5 to 10 mm give good results. A fine spray can thus be obtained immediately, from the start of spraying and until the end.
  • the device of the invention can be actuated repeatedly, by sending a pulsed current into the solenoid.
  • a simple way is to supply the solenoid with the current from the rectified sector, for example with a diode. This gives a frequency of 50 strokes per second (60 in the U.S.A.).
  • the effect obtained is very similar to the effect of a valve emitting continuously, due to the rate and persistence of the retinal image, which is greater than one-fiftieth of a second.
  • the emission can be obtained by a spring, the tensioning of which can be carried out by hand or by an electric gear motor.
  • the triggering of the spring will be obtained by escaping from a follower on an appropriate cam profile.
  • a support frame 20 which can be made of plastic for example, serves to hold together the various components of the device, in particular the triggering mechanism, the bottle of product to be diffused, the hinge pin 5 of a lever and this lever 21.
  • the lever 21 is in the rest position, after a transmission.
  • the fork 21a of the left end is lowered.
  • a cam 22 presses on a follower 23 to which are connected on the one hand an actuating rod 24 articulated on the right end 21b of the lever, and on the other hand a plate 25 pressing on a spring 26, the other end of which is supported on a shoulder 28 of the support 20.
  • the button 27 When the button 27 is turned, driving the cam, pushes the plate, and the arm 21b of the lever, to bring them into the position of FIG. 4.
  • the piston rod 3 of the pump is raised.
  • the spring 26 is compressed.
  • the spring suddenly relaxes and brings the lever into the position of FIG. 3.
  • the left arm pressed vigorously and quickly on the washer 4 which is lowered to eject a dose of product .
  • the operation by the spring allows actuation with the force and within the time provided by the present invention to have the spraying to the desired fineness.
  • the button 27 can be turned by hand, or by any desired means, such as an electric gear motor.
  • a turbine can be simultaneously driven by the motor to cause a stream of vaporization drive air.
  • the air flow can also be caused by a bellows driven at the same time as the pump plunger, which produces a two-phase effect: air plus liquid particles.
  • a fractionation chamber or surface 30 is placed at the outlet of the spray jet from the pump.
  • An example of such a chamber is shown in detail in Figures 5, 6 and 7; another example is shown mounted at the outlet of the pump in Figures 3 and 4; and an example of a surface is represented in FIG. 8.
  • the chamber of FIGS. 5-7 adapting by a neck 31 to the outlet of the pump, has a volume defined by a wall 32 whose interior has a state surface polished, very close to the gloss, in a very good conductive metal such as nickel-plated copper or polished aluminum anodic oxide. The particles bounce and slide, making instant cold vaporization.
  • the chamber 30 is shown mounted at the outlet of the pump. It is suitably fixed to the support 20, for example by an arm or a tongue 20a.
  • the narrow lower part 31 can be split to let the fork of the actuating lever pass.
  • the wall of the chamber may advantageously have a triple thickness: a shape 42, for example made of plastic, internally lined with an insulating layer 43, the interior of which is lined with a metallic sheet 44 that is good conductor, thermally and electrically, aluminum or nickel-plated copper.
  • one or more resistors 45 for example CTP
  • the flat-shaped CTP can be supplied between its two faces, or by two bands on one side.
  • An electronic card 46 can receive various components, such as light-emitting diode, microprocessor, timer, trigger button, detection of the state of the batteries, odor or aspiration detector, photocell, antenna, ultrasound detector. , infrared, speech synthesis, etc.
  • a nozzle suitable for the need or for the product will be chosen.
  • the particles it is advantageous for the particles to strike the walls of the chamber, and the nozzle will be chosen so as to have a spray giving the finest particles possible.
  • Figure 8 is a sectional view showing a hemispherical reflecting surface 55.
  • the spray is directed towards the top of the hemisphere.
  • a heating resistor 56 for example CTP, supplied for example by a spring 57 and by a lug 58 on the hemisphere.
  • the interior is filled with insulating material.
  • Such a surface can be fixed opposite the spray orifice and distributes the spray all around, for example to diffuse a perfume or a sanitizing product.
  • the impact surface may be a ceramic vibrated from a piezoelectric ultrasonic transducer.
  • FIG. 10 schematically represents another mechanical means of triggering.
  • a magnet SN 87 is placed between two magnets NS 86, 88 one of which, 86, can be rotated. Initially, the magnet 87 is attracted on both sides and is therefore placed in equilibrium (unstable) by turning the magnet 86, the latter then repels the magnet 87 while the magnet 88 attracts it.
  • the pump is preferably without return air and is fixed to a pocket which folds up as the liquid which it contains is expelled.
  • the diffuser whether or not it has a turbine, can be powered by low-voltage batteries. It could also be on rectified alternating current or not.
  • FIG. 9 represents an embodiment of an application of the invention.
  • the object of the device shown is to spray a liquid product in a pseudo-continuous manner. It is in fact a question of replacing the emission of a spraying usually carried out by a propellant gas, using a pump, without any propellant, actuated by the device of the invention.
  • the outlet tube 62 the pump also serves as a pump actuation rod.
  • On this tube is mounted a pusher 63, with lateral outlet, on the right of the figure.
  • the pusher being actuated repeatedly by a plunger 64 whose movement is controlled by a solenoid consisting of two windings 65, 65 '.
  • the rod 64 of the plunger can advantageously be made of plastic. The impact and the push on the pusher 63 will thus be silent.
  • the plunger 64 is furnished with three permanent magnets 66, 67, 68.
  • the polarities of the magnets 66 and 68 are fixed to cause stress in the same direction.
  • the plunger may also include inertia masses 85, for example made of plastic, copper, aluminum, etc.
  • the assembly is fixed in a housing 69 the bottom of which, at the top, is lined with a magnetic metal blade 70. The purpose of this blade is to maintain the plunger in the high position, by attraction by the magnet 68.
  • This blade can also serve at the same time as a shock absorber.
  • it can be constituted by a corrugated metal washer (brand "Onduflex"), or by a washer of compressed metallic fabric.
  • This latter embodiment is advantageously silent. In this way, when the solenoid is not excited, the magnet 68 is kept attracted against the blade 70. After a current pulse, the plunger strikes and presses the pusher 63, and, when the pulse ceases, the plunger is returned by the return spring of the pump, to be applied against the blade 70. Even at speeds of 50 or 60 Hz, the system is silent.
  • the plunger is controlled by electronics not described in detail, and which is mounted on the support 90.
  • Figure 14 is a sectional view of a variant of the actuation system of the device of Figure 9. It comprises a housing 100, for example of plastic, which is extended by the housing enveloping the container 60 of Figure 9 In this housing 100 is housed a solenoid 101 constituted by a wire wound on a coil 102, the hub 103 of which serves as a guide for the plunger.
  • the plunger comprises a core 104 made of soft iron, extended by a rod 105 made of non-magnetic material (stainless steel or brass). It is the end of this rod which strikes the pusher 63 on the device of FIG. 9.
  • the core is formed with a washer 106 at the end opposite to the stem.
  • This washer 106 is spaced from the coil 102 by a distance E which represents the stroke of the plunger.
  • this washer is shown with a peripheral skirt 106A which partially envelops the coil 102, which makes it possible to recover the flux emitted by the coil and thus ensures energy savings of up to 25%, in addition to the savings obtained by the presence of the magnets.
  • the edge of the skirt will be in the rest position, at a distance from the magnet 112 at least equal to the distance E of the stroke of the plunger.
  • a flat magnet 107 of the same circular shape, and a soft iron blade 108 also of the same shape. In the case of operation with alternating current, the magnet 107 is not used.
  • a small magnet 109 On the bottom 100F of the housing is fixed a small magnet 109, the function of which is to retain the plunger in the high, rest position.
  • a soft iron washer 111 In order to increase the attraction force on the plunger, after it has been detached from the magnet 109, there is provided against the wall 100H of the housing 100, a soft iron washer 111, a magnet 112 in the form washer, and a magnet 113, pierced with an axial hole.
  • the rod 105 of the plunger passes through the soft iron washer 111 and the two magnets 112 and 113.
  • the limitation surfaces of the plunger and the magnet 113 may be of corresponding conical shape.
  • the different means shown can be used jointly, or only some of them.
  • a rubber washer 114 may be provided against the washer 106, preferably, as indicated above, with Shore A hardness 20+.
  • the shock absorber can be placed against the magnet 113, and have, where appropriate, the same conical shape for joining the magnet 113 and the plunger 104. If the shock absorber 115 is placed at this location, it will advantageously be made of magnetic material, to reduce the air gap, for example in compressed or molded metallic fabric, or may also be constituted by a corrugated metal washer.
  • the fineness of the spray depends on the speed of penetration. Repetitive actuation of the solenoid achieves almost continuous spraying, if the rate is sufficient. A cadence of 50 strokes per second supplied by the AC current gives an excellent result.
  • the device comprises on the one hand a container 60, with a pump 61 actuated by a rod 62 equipped with a pusher 63, and a repetitive actuation system constituted for example the plunger 64 and the solenoid 65 mounted in the housing 69, 71, or the system shown in Figure 14.
  • the actuation system must be adapted to the product to be sprayed. These are numerous and have very different properties. The expulsion rates, the pump strokes are different.
  • the invention provides a polarization system, described with reference to FIGS. 11, 12 and 13.
  • the actuation device comprises a housing 71, in which the refill 60 is placed with its pump and its pusher 63.
  • the seller of the refill garnishes the latter with a box 72 having the general shape of a cube enveloping the head, or emerging part, of the pump and its fixing capsule on the neck of the container.
  • This box is formed by a box 73 ( Figure 12) having five sides of a cube, and a cover 74 ( Figure 13).
  • the box 73 therefore has an open face, and one face is formed with a cutout 75 so as to be able to be engaged on the head of the pump.
  • the cover 74 is put in place definitively, by ultrasonic welding, gluing, snap-fastening, to close the open face of the box and prevent it from being able to be removed from the refill.
  • the box has an orifice 76 on one side, to allow the plunger to come and push the pusher, and another orifice 77 to let the end of the pusher, fitted with the nozzle.
  • the assembly then presents itself as shown in FIG. 11. It is then possible, by means of this box, to provide associations with the housing 71 to avoid refill replacement errors.
  • the refill is housed in the housing 71.
  • At least one of the faces of the box 72 may include one or more ribs 78, which cooperate with a corresponding groove formed in the housing. If the rib (or the ribs) does not have the correct width, or is not in the correct location, the refill cannot be slid into place in the case.
  • the face of the box coming to be placed at the bottom of the housing which is intended for it may include appropriate reliefs 79 (see FIGS. 9 and 13) cooperating with corresponding recesses 80 formed in the bottom housing. If there is no match, the refill cannot be pushed in completely, and the plunger will not be in front of hole 76. The system will not work.
  • the housing 71 is equipped with appropriate electronics, with members sensitive to the presence of the magnets 81, 82, at the location which corresponds to the correct use of the device.

Landscapes

  • Medicinal Preparation (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Fats And Perfumes (AREA)
  • Cosmetics (AREA)
  • Nozzles (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Claims (23)

  1. Verfahren zum Verteilen, Dosieren oder Diffundieren eines flüssigen Produkts, bei dem ein Diffusor mit Zerstäuberpumpe verwendet wird, mit einem Flüssigkeitsförderungskolben, um einen inneren Druck zu erzeugen, der die Flüssigkeit durch eine Spritzdüse ausstößt, wobei die Pumpe in Fluidverbindung mit einer Reserve (1, 60) dieser Flüssigkeit steht, wobei der Diffusor mechanische Betätigungsmittel (10, 12; 22, 26,; 86, 87; 66, 67, 68, 65, 65') mit einem Betätigungsorgan (51, 105, 64) aufweist, das geeignet ist, um mit der Pumpe zu ihrer Betätigung in Verbindung zu treten, wobei das Verfahren dadurch gekennzeichnet ist, daß es die folgenden Schritte aufweist:
    - Positionierung des Betätigungsorgans (51, 105, 64) in einer vorbestimmten Entfernung (d) von der Pumpe, wobei die vorbestimmte Entfernung im wesentlichen gleich dem oder leicht geringer als der Kolbenhub ist,
    - Beschleunigung des Betätigungsorgans (51, 105, 64) über diese vorbestimmte Entfernung (d), bevor es mit der Pumpe in Kontakt tritt, was es ermöglicht, einen sofortigen inneren Druck zu erhalten, der eine Zerstäubung hervorruft, bei der die Teilchen der geteilten Flüssigkeit eine Größe kleiner oder gleich etwa 45 Mikrometer aufweisen, je nach der Oberflächenspannung der ausgestoßenen Flüssigkeit.
  2. Verfahren nach Anspruch 1, bei dem das von der Pumpe bei jeder Betätigung ausgestoßene Flüssigkeitsvolumen zwischen etwa 5 und 100 Mikrolitern liegt und der Ausstoß in einer Zeit geschieht, die kürzer als oder gleich 10 Millisekunden ist.
  3. Verfahren nach Anspruch 2, bei dem die Zerstäubung auf eine glatte Oberfläche gerichtet ist, um das Fraktionieren der Teilchen durch Aufprallen hervorzurufen, um Teilchen einer geteilten Flüssigkeit zu erhalten, deren Größe gleich oder kleiner als etwa ein Mikrometer ist, wobei diese Oberfläche auf einer bestimmten Temperatur gehalten wird, die höher ist als die Verdampfungstemperatur des Produkts.
  4. Verfahren nach Anspruch 3, bei dem die glatte Oberfläche eine Keramik ist, die ausgehend von einem piezoelektrischen Ultraschallwandler in Vibration versetzt wird.
  5. Diffusor, der eine Zerstäuberpumpe mit einem Drücker (4, 50) zur Betätigung der Pumpe, um durch Druck auf diesen Drükker eine Kraft auf einen Flüssigkeitsförderkolben zu übertragen, eine Rückholfeder des Kolbens in eine Ruhestellung und eine Ausgangsspritzdüse aufweist, um die Flüssigkeit durch die Wirkung des Drucks zu teilen, wobei der Diffusor mechanische Betätigungsmittel (10, 12; 22, 26,; 86, 87; 66, 67, 68, 65, 65') mit einem Betätigungsorgan (51, 105, 64) aufweist, das geeignet ist, um auf den Drücker zu drücken, dadurch gekennzeichnet, daß das Betätigungsorgan (51, 105, 64) in der Ruhestellung in einer vorbestimmten Entfernung (d) zum Drücker (4, 50) der Pumpe angeordnet ist, wobei diese Entfernung im wesentlichen gleich dem oder geringfügig kürzer als der Kolbenhub ist, und die Betätigungsmittel angepaßt sind, um das Betätigungsorgan (51, 105, 64) über diese vorbestimmte Entfernung (d) zu beschleunigen, bevor es mit der Pumpe in Kontakt tritt, was es ermöglicht, einen sofortigen inneren Druck zu erhalten, der eine Zerstäubung hervorruft, bei der die Teilchen der geteilten Flüssigkeit eine Größe kleiner oder gleich etwa 45 Mikrometer aufweisen, je nach der Oberflächenspannung der ausgestoßenen Flüssigkeit.
  6. Diffusor nach Anspruch 5, bei dem das bei jeder Betätigung von der Pumpe ausgestoßene Flüssigkeitsvolumen zwischen etwa 5 und 100 Mikroliter liegt und der Ausstoß in einer Zeit geschieht, die kürzer als oder gleich 10 Millisekunden ist.
  7. Diffusor nach Anspruch 5 oder Anspruch 6, bei dem die mechanischen Mittel eine Feder (26) aufweisen.
  8. Diffusor nach Anspruch 5 oder Anspruch 6, bei dem die mechanischen Mittel zur Betätigung der Pumpe einen von einem Solenoid (12) gesteuerten Tauchkolben (10) aufweisen.
  9. Diffusor nach Anspruch 5 oder Anspruch 6, dadurch gekennzeichnet, daß die mechanischen Mittel mindestens zwei Magneten (86, 87) aufweisen, deren relative Stellungen das Anziehen oder das Wegstoßen zwischen ihnen bewirken.
  10. Diffusor nach Anspruch 8, bei dem die Magneten (14, 112, 113) vorgesehen sind, um den Tauchkolben (10, 104) derart anzuziehen, daß die Rückholfeder des Kolbens mindestens teilweise ausgeglichen wird.
  11. Diffusor nach einem der Ansprüche 5 bis 10, der außerdem eine glatte Fraktionieroberfläche (32, 44) mit Heizmitteln (45) mit Temperaturregulierung aufweist, wobei die Zerstäubung zu dieser Oberfläche hin gerichtet ist.
  12. Diffusor nach einem der Ansprüche 5 bis 11, der weiter Mittel aufweist, um einen Luftstrom um das und im Innern des Sprays und in der gleichen Richtung zu bewirken.
  13. Diffusor nach Anspruch 11, bei dem die Heizmittel (45) geregelt sind, um eine Temperatur zu liefern, die höher ist als die Verdampfungstemperatur der Flüssigkeit.
  14. Diffusor nach einem der Ansprüche 5, 6 oder 8, mit Wiederholungs-Steuermitteln, um die mechanischen Betätigungsmittel derart zu betreiben, daß ein pseudo-durchgehender Betrieb erzeugt wird.
  15. Diffusor nach einem der Ansprüche 5, 6 oder 8, mit Mitteln zur Steuerung Schlag auf Schlag.
  16. Diffusor nach Anspruch 8, bei dem der Tauchkolben eine Stange (64, 105) aus nicht magnetischem Material aufweist, auf der Magneten (66, 67, 68, 107) und eventuell Trägheitsmassen (85) aus nicht magnetischem Material befestigt sind.
  17. Diffusor nach Anspruch 8, der ein Gehäuse mit einem Betätigungsmechanismus aufweist, um eine Flüssigkeitsreserve (1, 60) mit dieser Pumpe zu empfangen, bei dem der äußere Teil der Pumpe mit von Reliefs (79, 80) gebildeten Unverwechselbarkeitsmitteln bestückt ist, die mit Reliefs des Gehäuses zusammenwirken, um die Behälter auszuwählen, die in das Gehäuse eingelassen werden können.
  18. Diffusor nach Anspruch 17, der weiter elektronische Unverwechselbarkeitsmittel aufweist, die an ausgewählten Stellen Magneten und auf die Magneten ansprechende Relais aufweisen.
  19. Diffusor nach Anspruch 16, der weiter einen Dämpfer (15, 114, 115) aus Gummi, aus komprimiertem Metalltuch oder aus gewelltem Metall aufweist, um die Bewegungen des Tauchkolbens zu dämpfen.
  20. Diffusor nach Anspruch 8, bei dem der Tauchkolben (14) einen Kern aus Magnetmaterial (104) aufweist, der sich zwischen einer Stange (105) aus amagnetischem Material, die zum Drücker (63) der Pumpe hin gerichtet ist, und einer Scheibe (106) aus diesem Magnetmaterial erstreckt.
  21. Diffusor nach Anspruch 20, bei dem das magnetische Material Weicheisen ist.
  22. Diffusor nach Anspruch 5, bei dem die vorbestimmte Entfernung (d) für einen Kolbenhub von 10 mm zwischen 5 und 10 mm liegt.
  23. Verfahren nach Anspruch 1, bei dem die vorbestimmte Entfernung (d) für einen Kolbenhub von 10 mm zwischen 5 und 10 mm liegt.
EP90401148A 1989-05-31 1990-04-27 Verfahren und elektrische, elektronische und mechanische Vorrichtung zum Verteilen, Dosieren oder Diffundieren, von flüssigen oder gasförmigen Aromen, Arzneien und anderen flüssigen oder viskösen Produkten Expired - Lifetime EP0401060B1 (de)

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AT90401148T ATE91091T1 (de) 1989-05-31 1990-04-27 Verfahren und elektrische, elektronische und mechanische vorrichtung zum verteilen, dosieren oder diffundieren, von fluessigen oder gasfoermigen aromen, arzneien und anderen fluessigen oder viskoesen produkten.

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FR8907214 1989-05-31
FR898907214A FR2647678B1 (fr) 1989-05-31 1989-05-31 Procede et dispositif pour diffuser des aromes, medicaments et autres produits volatils
FR8912685 1989-09-28
FR8912685A FR2652282A1 (fr) 1989-09-28 1989-09-28 Procede et dispositif d'actionnement de pulverisateur a pompe.

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EP0401060A1 (de) 1990-12-05
ES2043306T3 (es) 1993-12-16
DE69002087T2 (de) 1994-01-13
JPH0312254A (ja) 1991-01-21
ATE91091T1 (de) 1993-07-15
AU631644B2 (en) 1992-12-03
CA2017366A1 (en) 1990-11-30
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DE69002087D1 (de) 1993-08-05
US5221025A (en) 1993-06-22

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