CN102466075B - Black box for metering valve - Google Patents
Black box for metering valve Download PDFInfo
- Publication number
- CN102466075B CN102466075B CN201110351850.2A CN201110351850A CN102466075B CN 102466075 B CN102466075 B CN 102466075B CN 201110351850 A CN201110351850 A CN 201110351850A CN 102466075 B CN102466075 B CN 102466075B
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- China
- Prior art keywords
- end wall
- countersunk
- black box
- hole
- housing
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims description 68
- 239000003989 dielectric material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 7
- 239000000725 suspension Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 18
- 238000004804 winding Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 210000000038 chest Anatomy 0.000 description 5
- 210000003298 Dental Enamel Anatomy 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004736 Ryton® Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000069 poly(p-phenylene sulfide) Polymers 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 229910000788 1018 steel Inorganic materials 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Abstract
The present invention proposes a kind of black box for electronic device, and this black box includes the plug of substantial cylindrical, an O type sealing ring and the 2nd O type sealing ring.The plug of this substantial cylindrical has the sidewall extended between the first end wall and the second end wall.Ring-shaped groove circle connects sidewall.Oneth O type sealing ring is arranged in ring-shaped groove.First through hole extends between the first end wall and the second end wall.First countersunk boundary in the first end wall connects the first through hole.2nd O type sealing ring is arranged in the first countersunk.
Description
Technical field
Present invention relates in general to metering valve.More particularly it relates to the seal arrangement in the metering valve of electric actuation
Or arrange.
Background technology
It is Electromagnetically actuated for using the typical metering valve at gas-turbine unit.Such as, some valve uses solenoid
Actuator, flows to described gas-turbine unit with displacement pipe linearly, fuel or some other liquid by described pipe.
The fuel flow rate by described valve is determined relative to the position of contoured stop member or the described pipe of stopper section
Or speed.The actuating of described pipe is controlled by electronic device or electronic unit, and described electronic device responds by starting
The fuel demand signal that machine controller produces operates or runs described solenoid actuator.
Metering valve is usually used in combination with gas-turbine unit, and described gas-turbine unit is such as sending out
The commercial Application in power station uses.These gas-turbine units are usually applied in natural gas line runs, described natural
During feed channel is run, natural gas is used as the fuel for turbine.Fuel is transported to electromotor by metering valve, when starting
When machine needs fuel, described metering valve carries fuel quantity to burner accurately.In such applications along with metering valve bring one
Individual common problem relates to the leakage of the natural gas by valve chest or some other fuel, and is leaked to valve electronic device
In.Particularly, fuel may be leaked to wherein electric wire in the fuel metering valve of valve chest.Combustion gas or fuel and electronic device
Contact reduce the working life of this base part.Have been carried out various trial and each path in valve chest is carried out close
Envelope, such as implements perfusion compound or calking (or packing) to electric wire through the local of housing.But, these seal under high pressure
There is the problem that effect weakens and lost efficacy.
Summary of the invention
Therefore, it is an object of the invention to provide a kind of for electronic device or the black box of electronic unit, described sealing
Assembly includes the plug of substantial cylindrical, O type sealing ring (or O ring seal) and the 2nd O type sealing ring.Described round
The plug of cylindricality has the sidewall extended between the first end wall and the second end wall.Ring-shaped groove circle connects (or adjacent) described sidewall.
Oneth O type sealing ring is arranged in described ring-shaped groove.First through hole prolongs between described first end wall and described second end wall
Stretch.First countersunk boundary in described first end wall connects (or adjacent) described first through hole.2nd O type sealing ring is arranged on described
In first countersunk (or counter sink).
Accompanying drawing explanation
These and other of the present invention will be clearly understood that below by the description of detailed description of the invention by means of accompanying drawing
Feature, wherein:
Fig. 1 is the schematic block diagram of fuel-metering system；
Fig. 2 is the perspective view of the fuel metering valve of described fuel-metering system；
Fig. 3 is the front cross sectional view of the fuel metering valve that there is shown solenoid actuator in Fig. 2；
Fig. 4 is the perspective view of the solenoid actuator of the position of the black box that there is shown the present invention in Fig. 3；
Fig. 5 is solenoid actuator and the sealing group that there is shown in Fig. 4 extends through the motor wiring of sealing-plug
The positive view of part；With
Fig. 6 is the zoomed-in view of the sealing-plug of the position of the o-ring that there is shown in plug raceway groove in Fig. 5.
Detailed description of the invention
Fig. 1 is adapted for the block diagram of the fuel-metering system 20 being used together with gas-turbine unit (not shown).Fuel
Metering system 20 receives from the instruction controlling input (or input controls (device)) 22, and described fuel-metering system includes that fuel supplies
It is also referred to as fuel metering valve 26 to pipeline 24, fuel metering device or device 26() and fuel tube 28.Fuel metering list
Unit 26 includes inlet nozzle 30, flowtube 32, flow diverter 34, outlet nozzle 36, and motor 38(i.e. can produce linear movement such as
The motor of solenoid actuator), processor 40, inlet pressure transducer 42, temperature sensor 44, position sensor 46 and outlet
Pressure transducer 48.Processor 40 provides signal to output (control) 50.
During running or operating, fuel feed pipe line 24 provides fuel, described fuel metering to fuel metering device 26
Fuel is transferred out arrival burner (not shown) by fuel tube 28 in the way of measuring and be controlled by unit.At fuel
In metering units 26, fuel flows through inlet nozzle 30, flowtube 32 and outlet nozzle 36, and is then departed from fuel metering device
26。
At inlet nozzle 30, a part of fuel is diverted into inlet pressure transducer 42.Inlet pressure transducer 42 exists
The porch of fuel metering device 26 senses the pressure of fuel and produces inlet pressure signals.Temperature sensor 44 is in fuel metering
The porch of unit 26 senses the temperature of fuel and produces temperature signal.Described inlet pressure signals and described temperature signal are all
Received by processor 40.Inlet pressure transducer 42 and temperature sensor 44 can be known structure or configuration.Processor
40 can be known structure or configuration, such as microprocessor.
Motor 38 supports flowtube 32, and optionally moves flowtube 32 towards flow diverter 34 and flowtube 32 moved apart
Driving described flow diverter, described flow diverter is fixed on outlet nozzle 36 by threaded holder.Position sensor 46 senses
Distance between flowtube 32 and flow diverter 34 also produces position signalling, wherein, described distance be also referred to as motor stroke or
Stroke.In operation, fuel can be by selecting relative to flow diverter 34 through flow velocity or the flow rate of fuel metering device 26
Position to selecting property flowtube 32 to be controlled.Such as, zero distance means that flowing stopped at flow diverter 34 completely.Logical
Cross driven motor 38 and flowtube 32 is moved away flow diverter 34, formed between flowtube 32 and flow diverter 34 and allow between flowing
Gap.
At outlet nozzle 36, the other part of fuel is diverted into outlet pressure sensor 48.Outlet pressure senses
Device 48 is in the exit of fuel metering device 26 sensing fuel pressure and produces output pressure signal.Position signalling and outlet pressure
Signal is received by processor 40.Position sensor 46 and outlet pressure sensor 48 can be each known configuration or structure
Make.
Fuel metering device 26 generally can be configured to and run and be similar to authorizing the U.S. patent documents of Miller
Fuel metering device described in No.6882924, this metering device describes fuel metering valve and is transported to for regulation
The control system of the fuel of combustion gas turbine.But, the configuration of fuel metering device 26 can need to carry out according to application-specific
Change.The present invention provides a kind of black box being adapted in foregoing fuel metering device and using.
Fig. 2 is the schematic perspective view of fuel metering device 26, and described fuel metering device includes fuel metering housing 60.Combustion
Material metering units 26 includes inlet nozzle 30 and outlet nozzle 36, described fuel metering device and fuel feed pipe line 24 and fuel
Conveyance conduit 28 connects with sealing engagement, and fluid F flows through these parts (shown in broken lines).Inlet nozzle 30 is sprayed by entrance
Mouth supporting structure 62 supports.Similarly, outlet nozzle 36 is supported by outlet nozzle support structure 64.
Fuel tube 28 is fixed with sealing engagement with outlet nozzle 36.Outlet nozzle 36 can such as be threaded into
In outlet nozzle support structure 64, described outlet nozzle support structure can use bolt with the another way shown in Fig. 2
It is fixed on fuel metering housing 60.The shape and size of outlet nozzle support structure 64 can be come according to the needs of application-specific
Change.As shown in Figure 2, outlet nozzle 36 have for each by a part of fuel-turn to outlet pressure sensor 48
Outlet pressure tap or section door 66A-66C.
Similarly, fuel feed pipe line 24(is shown in broken lines) the most invisible with inlet nozzle 30() connect to seal
Conjunction connects, and described inlet nozzle is positioned on the side relative with outlet nozzle 26 of fuel metering device 26.Inlet nozzle
30 can such as be threaded in inlet nozzle support structure 62, and described inlet nozzle support structure can be with shown in Fig. 2
Another way uses bolt or other fixing device being suitable for be fixed on fuel metering housing 60.Inlet nozzle support structure
The shape and size of 62 can change according to the needs of application-specific.
To be discussed in more detail as following, fluid F flows through flowtube 32, and described flowtube is configured by dynamic seal (packing)
Or layout seals, described dynamic seal (packing) configuration allows flowtube 32 move or move, and prevents fuel metering device 26 simultaneously
Dry side gets wet.But, fluid F may be leaked in the dry side of housing 60 under some adverse conditions.The sealing dress of the present invention
Put the fluid F that can prevent being leaked in described dry side to be leaked to further in electrical components such as motor 38.
Fig. 3 is the front cross sectional view shown with solenoid 68 of the fuel metering device 26 in Fig. 2.Fuel metering device 26 includes
Inlet nozzle 30, flowtube 32, outlet nozzle 36, valve chest 60, inlet nozzle support structure 63, outlet nozzle support structure
64, outlet pressure tap 66A and 66B, solenoid 68, circuit or circuit 70, disc spring 72, (electric) pole piece 74, armature 76 is with inclined
Stream device 34.Solenoid 68 including the embodiment of motor 38 includes wired winding 78, motor shell 80, black box 82 and motor
Distribution or distribution 84.
As described above, fluid F is introduced in fuel metering device 26 at the inlet nozzle 30 of supporting structure 62.
Solenoid 68 adjusts the position of flowtube 32, so that fluid F can be flowed into outlet nozzle 36.Specifically, by fluid hose 32
Retract from the contacting of flow diverter 36, so that fluid F can be flowed into pressure taps 66A and the 66B of outlet nozzle 36.Circuit
Starting current is delivered to line winding 78 by motor wiring 84 by 70.The online winding of described starting current 78 generates electromagnetic flux
(or electromagnetism leads to).The electromagnetic flux of line winding 78 is energized to pole piece 74 as Magnet, this generates the electromagnetism attracting armature 76
Power.Armature 76 screw thread or be additionally mechanically connected in flowtube 32 so that pressure divides when armature 76 moves towards pole piece 74
Joint 66A and 66B opens.When pole piece 74 is not by electromagnetic start, disc spring 72 acts on armature 76 by pin 86, with
At outlet nozzle 36, flowtube 32 is remained and be in sealing contact with flow diverter 34.
During the operation of fuel metering device 26, fluid F is prevented from entering the inside of fuel metering device 26 or " dry
Side ", such as contact solenoid 68 by dynamic seal (packing) (part) 90A with 90B, the operation of described dynamic seal (packing) is the most usual
It is known.But, pollutant, dirt or the detritus in fluid F causes the abrasion sealed on 90A and 90B, it reduces them
Technique effect.In extreme conditions, during fluid F may be leaked to valve chest 60.It is desirable that fluid to be prevented F pair
Fuel metering device 26 causes damage or infringement fuel metering device 26 or the operation of electronic component 70.The fuel gage of the present invention
Amount unit 26 is provided with the various devices of the inside for preventing fluid F entrance fuel metering device 26, wherein in described inside
Such as electro ultrafiltration space or electric element be not intended to fluid occur.Especially, fuel metering device 26 is provided with black box 82,
To prevent fluid F from entering in solenoid 68.Black box 82 is arranged in motor shell 80, and includes opening, to allow
Motor wiring 84 enters housing 80 and is connected on line winding 78, as will be discussed with reference to Fig. 4-6.
Fig. 4 is the perspective view of the solenoid 68 of Fig. 3, it illustrates the position of the black box 82 of the present invention.In combination with
Fig. 5 of Fig. 4 discussion is the solenoid 68 shown in Fig. 4 and the front cross sectional view of black box 82, it illustrates and extends past sealing-plug
The motor wiring 84 of 92.Solenoid 68 also includes line winding 78 and motor shell 80.Housing 80 includes axially extending part 94, dish
Part 96, around thread casing 98 and distribution (using) surface (or wiring surface) 100.Include that line winding 78 is around it around thread casing 98
The bobbin held.Include, around thread casing 98, dielectric material that non-(or not) conduct electricity or be made up of it, this material such as polyphenyl
Sulfur (PPS), described dielectric material can be purchased from Chevron Philips on market, and trade mark is Ryton.Axially extending part 94
Generally comprising solid and corrosion-resistant material with disc portion 96, this kind of material is magnetic conduction, such as 1018 steel.
The encapsulated inside of housing 80 lives line winding 78.Particularly, axially extending part 94 and dish portion are adjoined around thread casing 98
Divide 96, thus form encapsulation piece.Around thread casing 98 by any applicable by the way of or device be connected in various piece 94 and 96,
Line winding 78 is sealed in motor shell 80.Disc portion 96 includes sealed groove 102.O type sealing ring (or o-ring is close
Sealing) or other this similar sealing member be positioned in sealed groove 102, with stop flow through seal 90B fluid F flow through
Motor shell 80.Equally, black box 82 prevents fluid F from flowing through housing 80 and entering into the cavity for electronic device 70.Dish
The distribution surface 100 of part 96 includes breach 106, in allowing the hidden outer surface being put in motor shell 80 of motor wiring 84.Lack
Mouth 106 also includes distribution adapter or the space of electronic component allowing to be fitted in disc portion 96.Motor wiring 84 is allowed to
Entered in motor shell 80 by black box 82.Black box 82 includes that plunger 92, described plunger are positioned adjacent to breach
In the disc portion 96 of the motor shell 80 of 106, as reference Fig. 6 is described in detail.
Fig. 6 is the zoomed-in view of the sealing-plug 92 in Fig. 5, is wherein shown respectively at plug groove 112A and 112B and groove
O-ring 108A in 114 and 108B and the position of o-ring 110.Plug 92 also includes edge notches 116, through hole 118A and
118B, groove 120A and 120B and sleeve pipe 122A and 122B.Plug 92 includes the body of substantial cylindrical, described cylindrical body
There are two end surfaces connected by annular sidewall.Through hole 118A and 118B extends through the second end wall from the first end wall.Ditch
Groove 114 includes the passage of external described sidewall.In the hole 124 that plug 92 is inserted on the disc portion 96 of motor shell 80.Hole 124 exists
Extend between distribution surface 100 and the dorsal part of disc portion 96 or inner surface.It is interior with plug 92 Hes that o-ring 110 is positioned at groove 114
Seal between disc portion 96.Plug 92 includes edge notches 116, and described edge notches forms the cooperation on disk portion 96
The shoulder on surface, in case detent plug 92 slides through hole 124.Plug 92 includes non-conductive dielectric material or is made up of it, this material
Such as polyphenylene sulfide (PPS), described non-conductive dielectric material can be purchased from Chevron Philips on market, and trade mark is Ryton
®.Plug 92 guarantees that distribution 84 is not not short to housing 80.
Motor wiring 84 extends past through hole 118A and 118B from line winding 78 and sees Fig. 3 to be connected to circuit 70().Horse
Reaching distribution 84 and include being wound into the sub-thread distribution of coil, described coil has two ends through plug 92, positive wire and loop line.
Through hole 118A and 118B includes groove 112A and 112B and groove 120A and 120B, is beneficial to the insertion of distribution 184.Groove
120A and 120B includes countersunk, and described countersunk increases the diameter of through hole 118A and 118B, in order to accommodate sleeve pipe 122A respectively
And 122B.Sleeve pipe 122A and 122B includes insulation sleeve, and described insulation sleeve stops distribution 84 to engage the edge of body 92, thus prevents
Friction or kink.The otch 126 that plug 92 is included on end wall, described otch allows the interior table of distribution 84 bending and disc portion 96
Face flushes.
Groove 112A and 112B includes countersunk, and described countersunk increases the diameter of through hole 118A and 118B, in order to respectively
Receive o-ring 108A and 108B.O-ring 108A and 108B can include that rubber ring, described rubber ring seal against distribution 84.O
The size of type ring 108A and 108B determines according to the size specification (or specification) of motor wiring 84.By o-ring 108A and 108B
Be sized to provide at the minimum extruding for static sealing instructed according to conventional o-ring handbook.One
In individual non-limiting example, the AWG copper cash of specification 17 can be carried out with the o-ring with MIL gauge M83248/1-001
Pairing, but in other many embodiments, the line of other size and o-ring can be matched with various combinations.
It addition, arrange thin insulating barrier on exposed motor wiring 84, exhausted with the electricity further providing for sealing and having more than needed
Edge layer.In one embodiment, motor wiring 84 is coated with enamel or enamel paint, and described enamel provides smooth surface finishes
Or surface processes, compared with bare wire, o-ring 108A and 108B can preferably seal against described surface finishes.Enamel is also
High temperature can be resisted.But, the vibration of solenoid 68 is likely to result in the coating of motor wiring 84 and is rubbed off.Through hole 118A and
118B itself can be provided with sleeve pipe 122A and 122B, to reduce the friction around motor wiring 84.Coating is more suitably applied to
The line that smooth solid wire rather than multiply are reversed.
The present invention is provided with black box, described black box allow distribution through electrodynamic valve, motor, actuator or other
Like, liquid prevents from being leaked in described parts simultaneously.Described black box is best suitable for using " doing at this class component
Side ", undesirably run into fluid in described dry side.Black box itself as used with reference to described embodiment is provided with standby
Or the sealing device of auxiliary.But in other embodiments, described black box can serve as main seal.The sealing of the present invention
Assembly provides the double o-ring configurations or configuration combined with non-conductive plug.Described plug by the first bigger o-ring at its overall diameter
Place is sealed, and described first bigger o-ring is put in described plug by hidden, in order to described plug can be tightly fitted in described electricity
In sub-element.Described plug includes less internally positioned o-ring, thus the line passing around described plug directly seals.
This seal arrangement of the present invention has been carried out test, can resist more than 500psi(about 3447.4 kiloPascals(thousand
Handkerchief)) pressure.These o-rings are more suitably fitted around that the solid wire of sub-thread that smooths is equipped rather than the line of the torsion of multiply is joined
Dress.
Although the present invention is described with reference to exemplary embodiment, it is to be understood by those skilled in the art that
Without departing from the present invention, various change can be carried out, and equivalent or equivalent can substitute portion therein
Part.Additionally, in the case of without departing from the essential scope of the present invention, various improvement can be carried out so that specific situation or material
It is adapted to the teachings of the present invention.Therefore, foregoing of the present invention be not intended to be limit the invention to disclosed specific
Embodiment, and be intended to show, the present invention includes all embodiments fallen within the scope of the appended claims.
Claims (18)
1., for a black box for electronic unit, described black box includes:
The plug of substantial cylindrical, the plug of described substantial cylindrical has the sidewall extended between the first end wall and the second end wall；
Boundary connects the ring-shaped groove of described sidewall；
The O type sealing ring being arranged in described ring-shaped groove；
The first through hole extended between described first end wall and described second end wall；
In described first end wall, boundary connects the first countersunk of described first through hole；
The 2nd O type sealing ring being arranged in described first countersunk；
In described second end wall, boundary connects the second countersunk of described first through hole；And
It is arranged on the first sleeve in described second countersunk.
Black box the most according to claim 1, it is characterised in that
The second through hole extended between described first end wall and described second end wall；
In described first end wall, boundary connects the 3rd countersunk of described second through hole；And
It is arranged on the 3rd O type sealing ring in described 3rd countersunk.
Black box the most according to claim 2, it is characterised in that it also includes:
In described second end wall, boundary connects the 4th countersunk of described second through hole；And
It is arranged on the second sleeve pipe in described 4th countersunk.
Black box the most according to claim 1, it is characterised in that described plug includes non-conductive dielectric material.
Black box the most according to claim 1, it is characterised in that it also includes:
At described second end wall, boundary connects the edge notches of described sidewall, to form shoulder.
Black box the most according to claim 1, it is characterised in that it also includes:
Extend to the edge notches of described sidewall along described first end wall from described first through hole.
Black box the most according to claim 1, it is characterised in that it also includes:
Housing, described housing includes:
Outer surface, described outer surface includes the suspension flange of described second end wall for engaging described plug；
Inner surface；And
Distribution opening in described housing, described outer surface is connected to inner surface by described distribution opening, and wherein said plug is inserted
Enter in described distribution opening.
Black box the most according to claim 7, it is characterised in that described housing also includes:
It is arranged on described outer surface for the breach that distribution and circuit are flush-mounted on described housing.
Black box the most according to claim 1, it is characterised in that it also includes extending past joining of described first through hole
Line, described distribution includes the coating compared with the surface of described distribution with smoother surface accuracy.
10. driving an assembly, described driving assembly includes:
Housing, described housing includes:
Multiple outer surfaces；
The inside encapsulated by the plurality of outer surface；
Extend past the wiring hole of described housing, to be connected with described inside by the first outer surface；
It is arranged on the magnetoelectricity driver part of the described inside of described housing；
Being arranged on the black box in described wiring hole, described black box includes:
The plug of substantial cylindrical, the plug of described substantial cylindrical includes:
First end wall and the second end wall；
The sidewall extended between described first end wall and described second end wall；
Boundary connects the ring-shaped groove of described sidewall；
The O type sealing ring being arranged in described ring-shaped groove；
The first through hole extended between described first end wall and described second end wall；
In described first end wall, boundary connects the first countersunk of described first through hole；And
The 2nd O type sealing ring being arranged in described first countersunk；
In described second end wall, boundary connects the second countersunk of described first through hole；And
It is arranged on the first sleeve in described second countersunk,
Extend past described first through hole and described first end wall from described magnetoelectricity driver part and extend joining of described housing
Line.
11. driving assemblies according to claim 10, it is characterised in that
The second through hole extended between described first end wall and described second end wall；
In described first end wall, boundary connects the 3rd countersunk of described second through hole；And
It is arranged on the 3rd O type sealing ring in described 3rd countersunk.
12. driving assemblies according to claim 11, it is characterised in that it also includes:
In described second end wall, boundary connects the 4th countersunk of described second through hole；And
It is arranged on the second sleeve pipe in described 4th countersunk.
13. driving assemblies according to claim 10, it is characterised in that described plug includes non-conductive dielectric material.
14. driving assemblies according to claim 10, it is characterised in that it also includes:
At described second end wall, boundary connects the edge notches of described sidewall, to form shoulder.
15. driving assemblies according to claim 10, it is characterised in that it also includes:
Extend to the edge notches of described sidewall along described first end wall from described first through hole.
16. driving assemblies according to claim 10, it is characterised in that it also includes:
It is arranged on described outer surface the breach for distribution and circuit being flush-mounted into described housing.
17. driving assemblies according to claim 10, it is characterised in that described distribution includes the surface phase with described distribution
The coating of the surface accuracy more smoother than having.
18. 1 kinds of fuel metering valves, described fuel metering valve includes:
Including valve portion and the housing of electronic device part；
It is connected to the inlet nozzle of the described valve portion of described housing；
Being connected to the outlet nozzle of the described valve portion of described housing, described outlet nozzle includes flow diverter；
Through the flowtube that the described valve portion of described housing extends between described inlet nozzle and described outlet nozzle；
The described valve portion being arranged on described housing is interior described for positioning for the described flow diverter in described outlet nozzle
The actuator of flowtube, described actuator includes:
Electrical components；
The distribution of the described electronic device part of described housing is extended to from described electrical components；And
Being connected to the black box of described electrical components, described black box is black box as claimed in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/942406 | 2010-11-09 | ||
| US12/942,406 US20120112103A1 (en) | 2010-11-09 | 2010-11-09 | Seal assembly for metering valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466075A CN102466075A (en) | 2012-05-23 |
| CN102466075B true CN102466075B (en) | 2016-12-14 |
Family
ID=
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2666659A (en) * | 1949-04-07 | 1954-01-19 | Olaer Marine | Packing device |
| US3308316A (en) * | 1964-02-05 | 1967-03-07 | Emerson Electric Co | Submersible motor with a sealed connector plug |
| US4262913A (en) * | 1978-09-07 | 1981-04-21 | International Standard Electric Corporation | High pressure gland for optical fibres and/or electrical conductors |
| CN87207002U (en) * | 1987-04-29 | 1987-12-02 | 上海市电机技术研究所 | Sealing entrance cable device |
| US5244180A (en) * | 1992-09-03 | 1993-09-14 | Siemens Automotive L.P. | Solenoid pre-loader |
| US5889343A (en) * | 1997-08-01 | 1999-03-30 | Reliance Electric Industrial Company | Electromechanical machine having improved lead wire sealing arrangement |
| CN1483955A (en) * | 2002-09-17 | 2004-03-24 | Smc��ʽ���� | Electromagnetic valve with terminal box |
| CN101089384A (en) * | 2006-06-15 | 2007-12-19 | C.R.F.索奇埃塔·孔索尔蒂莱·佩尔·阿齐奥尼 | Fuel injector for internal combustion engine and corresponding method of manufacture |
| CN201461095U (en) * | 2009-08-10 | 2010-05-12 | 贵州红林机械有限公司 | Fuel switch valve in fuel pump governor control system |
| CN201521717U (en) * | 2009-07-28 | 2010-07-07 | 中冶南方工程技术有限公司 | Cable lead-in wire seal device under vacuum positive pressure and negative pressure |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2666659A (en) * | 1949-04-07 | 1954-01-19 | Olaer Marine | Packing device |
| US3308316A (en) * | 1964-02-05 | 1967-03-07 | Emerson Electric Co | Submersible motor with a sealed connector plug |
| US4262913A (en) * | 1978-09-07 | 1981-04-21 | International Standard Electric Corporation | High pressure gland for optical fibres and/or electrical conductors |
| CN87207002U (en) * | 1987-04-29 | 1987-12-02 | 上海市电机技术研究所 | Sealing entrance cable device |
| US5244180A (en) * | 1992-09-03 | 1993-09-14 | Siemens Automotive L.P. | Solenoid pre-loader |
| US5889343A (en) * | 1997-08-01 | 1999-03-30 | Reliance Electric Industrial Company | Electromechanical machine having improved lead wire sealing arrangement |
| CN1483955A (en) * | 2002-09-17 | 2004-03-24 | Smc��ʽ���� | Electromagnetic valve with terminal box |
| CN101089384A (en) * | 2006-06-15 | 2007-12-19 | C.R.F.索奇埃塔·孔索尔蒂莱·佩尔·阿齐奥尼 | Fuel injector for internal combustion engine and corresponding method of manufacture |
| CN201521717U (en) * | 2009-07-28 | 2010-07-07 | 中冶南方工程技术有限公司 | Cable lead-in wire seal device under vacuum positive pressure and negative pressure |
| CN201461095U (en) * | 2009-08-10 | 2010-05-12 | 贵州红林机械有限公司 | Fuel switch valve in fuel pump governor control system |
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