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US3386808A - Water treating apparatus - Google Patents

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US3386808A
US3386808A US512921A US51292165A US3386808A US 3386808 A US3386808 A US 3386808A US 512921 A US512921 A US 512921A US 51292165 A US51292165 A US 51292165A US 3386808 A US3386808 A US 3386808A
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water
distributor member
distributor
pressure vessel
liquid outlet
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US512921A
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George A Handeland
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/68Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685Devices for dosing the additives
    • C02F1/688Devices in which the water progressively dissolves a solid compound
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/4891With holder for solid, flaky or pulverized material to be dissolved or entrained

Definitions

  • This invention relates to water treatment and particularly to feeding sterilizing materials into a water supply line or system.
  • Another object is the attainment of the foregoing advantages while utilizing a chemical treating agent in the solid state.
  • Another object is the provision of an apparatus which may be effectively utilized in connection with a water supply system employing a well pump as are prevalent in rural and certain suburban areas.
  • Still another object is to provide a relatively simple and inexpensive apparatus of the type described which may be quickly and easily installed by persons who are possessed of average technical skill.
  • Still another object is the provision of an apparatus possessing the advantages recited which is also characterized by durability and ease of adjustment while in service.
  • FIGURE 1 is a schematic view of the apparatus of the invention as applied to a conventional household water supply system.
  • FIGURE 2 is an elevational view of the distributor head which forms part of the apparatus
  • FIGURE 3 is a plan view of the impeller pump of the novel apparatus.
  • FIGURE 4 is a sectional view taken on the line 4-4 of FIGURE 2.
  • the numeral 2 designates the intermediate portion of a substantially cylindrical distributor member, the same being provided with a substantially flat top portion 3 having a centrally disposed substantially cylindrical recess 4.
  • the lower end of the recess 4 of the distributor member 2 is of reduced diameter, as shown at 4a, and provided with a downwardly depending externally screw-threaded portion 6 which carries a gasket 7 and which is adapted to be received in, and be engaged by, the internally screw-threaded opening 8 in the top of a pressure vessel 9 which receives the solid water treating agent; for example calcium hypochlorite.
  • the solid water treating agent for example calcium hypochlorite.
  • the chemical containing pressure vessel 9 may be made of fiberglass or other suitable material; and it may be sufiiciently transparent or translucent in whole or in part to enable an observer to determine the approximate amount of the contents thereof.
  • the periphery of the intermediate portion 2 of the substantially cylindrical distributor member is provided with-a passageway 12 which extends inwardly to the axis thereof to communicate with a right-angular passageway 13 which extends upwardly to the center of the bottom of the substantially cylindrical recess 4 in the top of the intermediate portion of said distributor member.
  • the apparatus of the present invention is primarily intended for association with the pressure tank of a conventional water supply system to which chlorine in suitable quantity has been added.
  • the passageway 12 of the distributor member com- 3,386,868 Patented June 4, 1968 municates with the outlet side of the pressure tank of the water supply system; and due to its having previously been oxidized, the water flowing therethrough is less corrosive, and accordingly, no oxidizing takes place in the pressure vessel 9.
  • the interior of the substantially cylindrical distributor 2 is also provided with a passageway 18 which extends from the center of the downwardly depending externally screw-thread portion 6 diagonally upwardly to communicate with the substantially flat upper portion 3, and, as wiil be described more fully hereinafter, with the periphery of centrally disposed cylindrical recess 4.
  • the lower end of the diagonally extending passageway 18 communicates with the upper end of a distribution tube 19 which extends downwardly intothe chemical tank 9 and which is secured to, and carried by, the downwardly depending externally screw-threaded portion 6.
  • the side of the distributor member 2 which is opposite the diagonally extending passageway 18 is provided with a vertical passageway 20' which communicates with the bottom of the lower screw threaded portion 6; and a right-angular extension 21 provides communication between the upper end of the vertical passageway 20 and the exterior of the distributor member.
  • the lower end of the distribution tube 19 does not necessarily extend into the solids at the bottom of the tank 9 but must be suificiently spaced from the outlet passageways 20 and 21 so that the water coming in will have sufficient time, that it, too, will become saturated to the limit, with the chemical at the bottom of the tank before it is forced out to treat new, untreated water, coming from the well and going to the pressure tank.
  • a cap 25 Detachably secured to the top of the distributor 2 is a cap 25 having a centrally disposed aperture 26 and a planar bottom surface.
  • the central aperture 26 in the cap 25 is provided with a larger and concentric recess 27 for receivinga shaft seal 28.
  • a downwardly diverted drain conduit 29 provides communication between the upper portion of the concentric recess 27 and the periphery of the distributor cap 25.
  • a substantially cylindrical pump impeller 30 Disposed within the central recesses 4 and 4a in the top of the distributor member 2 is a substantially cylindrical pump impeller 30 which comprises a disc-like main body portion having a series of equally spaced radial ports 31 which extend from the center to the periphery thereof.
  • the inner end of each of the radial ports 31 is directed downwardly, as shown at 31a, and communicates with the interior of a collar 32 on the underside of the disc-like main body portion of the substantially cylindrical pump impeller 30.
  • the interior of the collar 32 communicates with the vertical extension 13 of the passageway 12 of the distributor 2.
  • An electric motor 35 is mounted atop the cap 25 with its drive shaft 36 extending downwardly through the shaft seal 28 and projecting from the bottom of the cap and into connecting engagement with the top of the substantially cylindrical pump impeller 30.
  • the side wall of the substantially cylindrical recess 4 of the distributor member 2 is provided with a concave pocket 4b which curves outwardly and terminates in a small inward extending concave end wall 40.
  • the concave pocket 4b of the substantially cylindrical recess 4 communicates at its point of greatest width with the upper end of the diagonal passageway 18.
  • the lower end of the diagonal passageway 18 connects with the 3 upper end of the distribution tube 19, as previously described.
  • the electric motor 35 is connected to the well pump in such manner that it will commence to operate whenever the well pump starts to operate; and it should be capable of building-up, through the rotation of the cylindrical pump impeller 30, a pressure of approximately five to approximately fifteen pounds per square inch or more without causing excessive heat.
  • the rotation of the cylindrical pump impeller 30 will draw water from the upper end of the right-angular extension 13 of the passageway 12 and force the same outwardly through the radial ports 13 into the concave pocket 4b of the substantially cylindrical recess 4, then downwardly through the diagonal passageway 18 and distribution tube 19 and into the bottom of the pressure vessel 9 which contains the water treating agent, i.e., calcium hypochlorite.
  • the water treating agent i.e., calcium hypochlorite.
  • Water from the outlet side of the pressure tank of the water supply system is supplied through a water line 40 to the radially extending passageway 12; and this water line is preferably provided with a manually adjustable needle valve 41 and an electric solenoid valve 42 which is disposed between it and the outer end of the passageway 12.
  • the solenoid valve 42 and the electric motor 35 are wired together, and in turn connected to a pressure switch 46 in the existing water system, the pressure switch 46 being also connected to the well pump motor 50. Accordingly, all of these elements start and stop in direct relationship with the pressure of the water. When the well pressure system stops, the solenoid valve 42 completely isolates the distributor member 2 and its associated elements.
  • the simple adjustment, from time to time, of the needle valve 41 serves to maintain the residual chlorine at the desired level.
  • the solid, or semi-solid, chemical treating agent remains at the bottom of the chemical containing pressure vessel 9 to continue to saturate the incoming water until only the carriers of the chemical are left therewithin. At this time, the pressure container vessel 9 is easily removed, flushed, and refilled.
  • a bypass water treating apparatus comprising a pressure vessel containing the treating agent
  • a distributor member having top, bottom and intermediate portions
  • the bottom of said pump chamber being defined by the top surface of said top portion
  • said distributor member having a water inlet passage extending from the outside of the intermediate portion thereof to the approximate center of the upper surface of said top portion;
  • a water distribution tube attached to and depending downwardly into said pressure vessel from the approximate center of the under surface of said bottom portion;
  • a cap for the top of said distributor member, the top of said distributor member and the bottom of said cap providing between them a pump chamber;
  • shaft means attached to said impeller and extending through the top of said cap for enabling the driving of said rotary pump
  • a relief line establishing communication between the interior of said pump chamber and the atmosphere and a relief valve in said relief line.
  • valve for controlling the amount of liquid flowing from the liquid outlet passage is a needle valve in the water inlet line.
  • valve for controlling the amount of liquid flowing from the liquid outlet passage is a needle valve in the liquid outlet passage.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Description

June 4, 1968 G. A. HANDELAND 3,336,808
WATER TREATING APPARATUS Filed Dec. 10, 1966 2 Sheets-Sheet 1 ESSURE TANK INV ENT OR GEORGE A. HANDELANO g L.- ATTORNEYS June 4, 1968 a, HANDELAND 3,386,808
WATER TREATING APPARATUS Filed Dec. 10, 1965 Y 2 Sheets-Sheet 2 INVENI'OR GEORGE A HANDELAND 9 fim/Z'M/ ATTORNEYS United States Patent 3,386,808 WATER TREATING APPARATUS George A. Handeland, RR. 1, Ringsted, Iowa 50578 Filed Dec. 10, 1965, Ser. No. 512,921 4 Claims. (Cl. 23272.7)
This invention relates to water treatment and particularly to feeding sterilizing materials into a water supply line or system.
It is among the objects of the present invention to provide an eflicient, relatively inexpensive and compact apparatus of the type described which is particularly adapted for chlorination, although not limited thereto.
Another object is the attainment of the foregoing advantages while utilizing a chemical treating agent in the solid state.
Another object is the provision of an apparatus which may be effectively utilized in connection with a water supply system employing a well pump as are prevalent in rural and certain suburban areas.
Still another object is to provide a relatively simple and inexpensive apparatus of the type described which may be quickly and easily installed by persons who are possessed of average technical skill.
Still another object is the provision of an apparatus possessing the advantages recited which is also characterized by durability and ease of adjustment while in service.
The foregoing, together with other objects and advantages of the invention will be more readily appreciated as the same becomes better understood by reference to the following detailed description when taken in connection with the accompanying drawings wherein:
FIGURE 1 is a schematic view of the apparatus of the invention as applied to a conventional household water supply system.
FIGURE 2 is an elevational view of the distributor head which forms part of the apparatus;
FIGURE 3 is a plan view of the impeller pump of the novel apparatus; and
FIGURE 4 is a sectional view taken on the line 4-4 of FIGURE 2.
Referring more particularly to the drawings, the numeral 2 designates the intermediate portion of a substantially cylindrical distributor member, the same being provided with a substantially flat top portion 3 having a centrally disposed substantially cylindrical recess 4.
The lower end of the recess 4 of the distributor member 2 is of reduced diameter, as shown at 4a, and provided with a downwardly depending externally screw-threaded portion 6 which carries a gasket 7 and which is adapted to be received in, and be engaged by, the internally screw-threaded opening 8 in the top of a pressure vessel 9 which receives the solid water treating agent; for example calcium hypochlorite.
The chemical containing pressure vessel 9 may be made of fiberglass or other suitable material; and it may be sufiiciently transparent or translucent in whole or in part to enable an observer to determine the approximate amount of the contents thereof.
As shown, the periphery of the intermediate portion 2 of the substantially cylindrical distributor member is provided with-a passageway 12 which extends inwardly to the axis thereof to communicate with a right-angular passageway 13 which extends upwardly to the center of the bottom of the substantially cylindrical recess 4 in the top of the intermediate portion of said distributor member.
As indicated earlier herein, the apparatus of the present invention is primarily intended for association with the pressure tank of a conventional water supply system to which chlorine in suitable quantity has been added.
The passageway 12 of the distributor member com- 3,386,868 Patented June 4, 1968 municates with the outlet side of the pressure tank of the water supply system; and due to its having previously been oxidized, the water flowing therethrough is less corrosive, and accordingly, no oxidizing takes place in the pressure vessel 9.
The interior of the substantially cylindrical distributor 2 is also provided with a passageway 18 which extends from the center of the downwardly depending externally screw-thread portion 6 diagonally upwardly to communicate with the substantially flat upper portion 3, and, as wiil be described more fully hereinafter, with the periphery of centrally disposed cylindrical recess 4.
The lower end of the diagonally extending passageway 18 communicates with the upper end of a distribution tube 19 which extends downwardly intothe chemical tank 9 and which is secured to, and carried by, the downwardly depending externally screw-threaded portion 6.
The side of the distributor member 2 which is opposite the diagonally extending passageway 18 is provided with a vertical passageway 20' which communicates with the bottom of the lower screw threaded portion 6; and a right-angular extension 21 provides communication between the upper end of the vertical passageway 20 and the exterior of the distributor member.
The lower end of the distribution tube 19 does not necessarily extend into the solids at the bottom of the tank 9 but must be suificiently spaced from the outlet passageways 20 and 21 so that the water coming in will have sufficient time, that it, too, will become saturated to the limit, with the chemical at the bottom of the tank before it is forced out to treat new, untreated water, coming from the well and going to the pressure tank.
Detachably secured to the top of the distributor 2 is a cap 25 having a centrally disposed aperture 26 and a planar bottom surface.
As shown in the drawings the central aperture 26 in the cap 25 is provided with a larger and concentric recess 27 for receivinga shaft seal 28. A downwardly diverted drain conduit 29 provides communication between the upper portion of the concentric recess 27 and the periphery of the distributor cap 25.
Disposed within the central recesses 4 and 4a in the top of the distributor member 2 is a substantially cylindrical pump impeller 30 which comprises a disc-like main body portion having a series of equally spaced radial ports 31 which extend from the center to the periphery thereof. The inner end of each of the radial ports 31 is directed downwardly, as shown at 31a, and communicates with the interior of a collar 32 on the underside of the disc-like main body portion of the substantially cylindrical pump impeller 30.
As shown, the interior of the collar 32 communicates with the vertical extension 13 of the passageway 12 of the distributor 2.
It will be understood that while eight radial ports 31 are shown in the drawings, any number from two upwardly may be employed provided, of course, they are equally spaced.
An electric motor 35 is mounted atop the cap 25 with its drive shaft 36 extending downwardly through the shaft seal 28 and projecting from the bottom of the cap and into connecting engagement with the top of the substantially cylindrical pump impeller 30.
The side wall of the substantially cylindrical recess 4 of the distributor member 2 is provided with a concave pocket 4b which curves outwardly and terminates in a small inward extending concave end wall 40.
The concave pocket 4b of the substantially cylindrical recess 4 communicates at its point of greatest width with the upper end of the diagonal passageway 18. The lower end of the diagonal passageway 18 connects with the 3 upper end of the distribution tube 19, as previously described.
As will be described more fully hereinafter, the electric motor 35 is connected to the well pump in such manner that it will commence to operate whenever the well pump starts to operate; and it should be capable of building-up, through the rotation of the cylindrical pump impeller 30, a pressure of approximately five to approximately fifteen pounds per square inch or more without causing excessive heat.
According to the foregoing construction and arrangement, the rotation of the cylindrical pump impeller 30 will draw water from the upper end of the right-angular extension 13 of the passageway 12 and force the same outwardly through the radial ports 13 into the concave pocket 4b of the substantially cylindrical recess 4, then downwardly through the diagonal passageway 18 and distribution tube 19 and into the bottom of the pressure vessel 9 which contains the water treating agent, i.e., calcium hypochlorite.
Water from the outlet side of the pressure tank of the water supply system is supplied through a water line 40 to the radially extending passageway 12; and this water line is preferably provided with a manually adjustable needle valve 41 and an electric solenoid valve 42 which is disposed between it and the outer end of the passageway 12.
The solenoid valve 42 and the electric motor 35 are wired together, and in turn connected to a pressure switch 46 in the existing water system, the pressure switch 46 being also connected to the well pump motor 50. Accordingly, all of these elements start and stop in direct relationship with the pressure of the water. When the well pressure system stops, the solenoid valve 42 completely isolates the distributor member 2 and its associated elements.
After the previously oxidized Water passes through the solid chemical treating agent in the pressure vessel 9, it is caused to flow through the passageways 20 and 21, a pressure relief valve 47, and a water line 48 which communicates with the Water inlet line between the well pump and the pressure tank of the conventional Water supply system.
The simple adjustment, from time to time, of the needle valve 41 serves to maintain the residual chlorine at the desired level.
The solid, or semi-solid, chemical treating agent remains at the bottom of the chemical containing pressure vessel 9 to continue to saturate the incoming water until only the carriers of the chemical are left therewithin. At this time, the pressure container vessel 9 is easily removed, flushed, and refilled.
From the foregoing, it will be perceived that the motor 35, impeller 30, etc., are always ready to supply whatever amount of water is needed to replace the Water which is used in the chemical tank 9. Also due to the foregoing construction and arrangement, the pump and impeller will rotate with no water moving, yet holding the pressure increase steady on any given pressure: thus, no pressure by-pass or relief is needed for the pump.
Having thus disclosed my invention, what I claim as new and desire to secure by Letters Patent is:
I claim:
1. A bypass water treating apparatus comprising a pressure vessel containing the treating agent;
a distributor member having top, bottom and intermediate portions;
the bottom portion of said distributor member being adapted for removable sealing attachment to the top of said pressure vessel;
the top portion of said distributor having a circular cylindrical pump chamber;
the bottom of said pump chamber being defined by the top surface of said top portion;
said distributor member having a water inlet passage extending from the outside of the intermediate portion thereof to the approximate center of the upper surface of said top portion;
a water inlet line connecting said water inlet passage with a water service conduit;
a water distribution tube attached to and depending downwardly into said pressure vessel from the approximate center of the under surface of said bottom portion;
a water passage extending downwardly from the periphery of the top surface of the upper portion of said distributor member and communicating with the top end of said distribution tube;
a liquid outlet passage extending from the under surface of said bottom portion to the outside of said intermediate portion;
a liquid outlet line connecting said liquid outlet passage With the water service conduit upstream of the connection of the water inlet line with said water service conduit;
a valve for controlling the amount of liquid flowing from said liquid outlet passage;
a cap for the top of said distributor member, the top of said distributor member and the bottom of said cap providing between them a pump chamber;
a cylindrical pump impeller mounted for rotation in said pump chamber;
shaft means attached to said impeller and extending through the top of said cap for enabling the driving of said rotary pump;
motor means mounted on the top of said cap and attached to said shaft means for driving said rotary P p;
a relief line establishing communication between the interior of said pump chamber and the atmosphere and a relief valve in said relief line.
2. The combination of claim 1 wherein the valve for controlling the amount of liquid flowing from the liquid outlet passage is a needle valve in the water inlet line.
3. The combination of claim 1 wherein the valve for controlling the amount of liquid flowing from the liquid outlet passage is a needle valve in the liquid outlet passage.
4. The combination of claim 1 wherein at least one check valve is provided in each of said liquid inlet line and said liquid outlet line.
References Cited UNITED STATES PATENTS 461,235 10/1891 Butler 23-2728 X 557,300 3/1896 Barber 103-115 885,108 4/1908 Trent 103103 2,304,846 12/ 1942 Pinkerton 23272.7 X 2,634,110 4/1953 Rupp 239310 X 2,935,994 5/1960 Schwieger 137-268 3,052,525 9/ 1962 Vogelmann 23272.7 3,266,870 8/1966 Cianflone 23-272.7 X 3,306,220 2/1967 Dahlgren 103-87 3,324,798 6/1967 Freed 103-87 NORMAN YUDKOFF, Primary Examiner.
S. EMERY, Assistant Examiner.

Claims (1)

1. A BYPASS WATER TREATING APPARATUS COMPRISING A PRESSURE VESSEL CONTAINING THE TREATING AGENT; A DISTRIBUTOR MEMBER HAVING TOP, BOTTOM AND INTERMEDIATE PORTIONS; THE BOTTOM PORTION OF SAID DISTRIBUTOR MEMBER BEING ADAPTED FOR REMOVABLE SEALING ATTACHMENT TO THE TOP OF SAID PRESSURE VESSEL; THE TOP PORTION OF SAID DISTRIBUTOR HAVING A CIRCULAR CYLINDRICAL PUMP CHAMBER; THE BOTTOM OF SAID PUMP CHAMBER BEING DEFINED BY THE THE TOP SURFACE OF SAID TOP PORTION; SAID DISTRIBUTOR MEMBER HAVING A WATER INLET PASSAGE EXTENDING FROM THE OUTSIDE OF THE INTERMEDIATE PORTION THEREOF TO THE APPROXIMATE CENTER OF THE UPPER SURFACE OF SAID TOP PORTION; A WATER INLET LINE CONNECTING SAID WATER INLET PASSAGE WITH A WATER SERVICE CONDUIT; A WATER DISTRIBUTION TUBE ATTACHED TO AND DEPENDING DOWNWARDLY INTO SAID PRESSURE VESSEL FROM THE APPROXIMATE CENTER OF THE UNDER SURFACE OF SAID BOTTOM PORTION. A WATER PASSAGE EXTENDING DOWNWARDLY FROM THE PERIPHERY OF THE TOP SURFACE OF THE UPPER PORTION OF SAID DISTRIBUTOR MEMBER AND COMMUNICATING WITH THE TOP END OF SAID DISTRIBUTION TUBE; A LIQUID OUTLET PASSAGE EXTENDING FROM THE UNDER SURFACE OF SAID BOTTOM PORTION TO THE OUTSIDE OF SAID INTERMEDIATE PORTION; A LIQUID OUTLET LINE CONNECTING SAID LIQUID OUTLET PASSAGE WITH THE WATER SERVICE CONDUIT UPSTREAM OF THE CONNECTION OF THE WATER INLET LINE WITH SAID WATER SERVICE CONDUIT;
US512921A 1965-12-10 1965-12-10 Water treating apparatus Expired - Lifetime US3386808A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456678A (en) * 1967-05-02 1969-07-22 Ralph J Wright Device for dissolving solid material in a liquid shunt stream
US3655054A (en) * 1970-05-25 1972-04-11 Andrew L Pansini Automatic chlorinator for swimming pools
US3738575A (en) * 1971-11-22 1973-06-12 A Somer Automatic windshield washer reservoir filling and mixing means
US3952767A (en) * 1972-07-14 1976-04-27 Fred Farage Means for treating roots about drain lines
FR2618137A1 (en) * 1987-07-17 1989-01-20 Elf Aquitaine CHLORINATION SYSTEM FOR WATER TREATING
US5460446A (en) * 1989-05-29 1995-10-24 Hospal Industrie Device and method for preparing solution for medical use
US5620671A (en) * 1994-12-07 1997-04-15 Betzdearborn Inc. Liquid dispensing apparatus
WO1997037938A1 (en) * 1996-04-04 1997-10-16 Johnson Dennis E J Apparatus and processes for non-chemical plasma ion disinfection of water
US6647566B1 (en) * 2002-08-08 2003-11-18 Sheng-Cheng Wang Automatic bath additive feeder
US9061923B2 (en) 2005-01-31 2015-06-23 Mag Aerospace Industries, Inc. Methods and systems for disinfecting potable water supplies

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461235A (en) * 1891-10-13 Device for feeding chemicals to filters
US557300A (en) * 1896-03-31 Centrifugal pump
US885108A (en) * 1907-01-21 1908-04-21 Simeon V Trent Centrifugal pump.
US2304846A (en) * 1940-10-29 1942-12-15 David W Pinkerton Fertilizing apparatus
US2634110A (en) * 1948-12-31 1953-04-07 Gorman Rupp Co Pump-operated portable mixing apparatus
US2935994A (en) * 1959-03-09 1960-05-10 Schwieger John Thomas Hydraulic dispenser
US3052525A (en) * 1957-12-27 1962-09-04 Vogelmann Ernst Apparatus for introducing controlled quantities of liquids and solutes into a fluid medium
US3266870A (en) * 1963-08-15 1966-08-16 Stiles Kem Sales Corp Bypass chemical dissolver with slantedslot jet agitators
US3306220A (en) * 1965-05-03 1967-02-28 Flygts Pumpar Ab Centrifugal pump, particularly a hot water pump
US3324798A (en) * 1965-07-28 1967-06-13 Union Pump Co Vertical in-line centrifugal pump

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461235A (en) * 1891-10-13 Device for feeding chemicals to filters
US557300A (en) * 1896-03-31 Centrifugal pump
US885108A (en) * 1907-01-21 1908-04-21 Simeon V Trent Centrifugal pump.
US2304846A (en) * 1940-10-29 1942-12-15 David W Pinkerton Fertilizing apparatus
US2634110A (en) * 1948-12-31 1953-04-07 Gorman Rupp Co Pump-operated portable mixing apparatus
US3052525A (en) * 1957-12-27 1962-09-04 Vogelmann Ernst Apparatus for introducing controlled quantities of liquids and solutes into a fluid medium
US2935994A (en) * 1959-03-09 1960-05-10 Schwieger John Thomas Hydraulic dispenser
US3266870A (en) * 1963-08-15 1966-08-16 Stiles Kem Sales Corp Bypass chemical dissolver with slantedslot jet agitators
US3306220A (en) * 1965-05-03 1967-02-28 Flygts Pumpar Ab Centrifugal pump, particularly a hot water pump
US3324798A (en) * 1965-07-28 1967-06-13 Union Pump Co Vertical in-line centrifugal pump

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456678A (en) * 1967-05-02 1969-07-22 Ralph J Wright Device for dissolving solid material in a liquid shunt stream
US3655054A (en) * 1970-05-25 1972-04-11 Andrew L Pansini Automatic chlorinator for swimming pools
US3738575A (en) * 1971-11-22 1973-06-12 A Somer Automatic windshield washer reservoir filling and mixing means
US3952767A (en) * 1972-07-14 1976-04-27 Fred Farage Means for treating roots about drain lines
US4986902A (en) * 1987-07-17 1991-01-22 Societe Nationale Elf Aquitaine (Production) Chlorination system for a water to be treated
WO1989000546A1 (en) * 1987-07-17 1989-01-26 Societe Nationale Elf Aquitaine (Production) System for treating water by chlorination
FR2618137A1 (en) * 1987-07-17 1989-01-20 Elf Aquitaine CHLORINATION SYSTEM FOR WATER TREATING
US5460446A (en) * 1989-05-29 1995-10-24 Hospal Industrie Device and method for preparing solution for medical use
US5727877A (en) * 1989-05-29 1998-03-17 Hospal Industrie Method for preparing solutions for medical use
US5620671A (en) * 1994-12-07 1997-04-15 Betzdearborn Inc. Liquid dispensing apparatus
WO1997037938A1 (en) * 1996-04-04 1997-10-16 Johnson Dennis E J Apparatus and processes for non-chemical plasma ion disinfection of water
US5792369A (en) * 1996-04-04 1998-08-11 Johnson; Dennis E. J. Apparatus and processes for non-chemical plasma ion disinfection of water
US6647566B1 (en) * 2002-08-08 2003-11-18 Sheng-Cheng Wang Automatic bath additive feeder
US9061923B2 (en) 2005-01-31 2015-06-23 Mag Aerospace Industries, Inc. Methods and systems for disinfecting potable water supplies

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