CN103047060A - Controlled injection valve of electrical oil injector - Google Patents

Controlled injection valve of electrical oil injector Download PDF

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Publication number
CN103047060A
CN103047060A CN2013100083391A CN201310008339A CN103047060A CN 103047060 A CN103047060 A CN 103047060A CN 2013100083391 A CN2013100083391 A CN 2013100083391A CN 201310008339 A CN201310008339 A CN 201310008339A CN 103047060 A CN103047060 A CN 103047060A
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CN
China
Prior art keywords
control
groove
end surface
restricting orifice
communicated
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.)
Pending
Application number
CN2013100083391A
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Chinese (zh)
Inventor
肖亨琳
王永东
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.)
WUXI KAIPU DYNAMIC CO Ltd
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WUXI KAIPU DYNAMIC CO Ltd
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
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Application filed by WUXI KAIPU DYNAMIC CO Ltd filed Critical WUXI KAIPU DYNAMIC CO Ltd
Priority to CN2013100083391A priority Critical patent/CN103047060A/en
Publication of CN103047060A publication Critical patent/CN103047060A/en
Priority to PCT/CN2013/001118 priority patent/WO2014107826A1/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027Electrically actuated valves draining the chamber to release the closing pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/008Arrangement of fuel passages inside of injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168Assembling; Disassembling; Manufacturing; Adjusting

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The invention relates to a controlled injection valve of an electrical oil injector. A sealing face is arranged on the lower end face of a control flat valve, a control piston sleeve is arranged below a throttling orifice plate, an annular protrusion is arranged on the upper end portion of the control piston sleeve, a control chamber, a return oil orifice and a throttling orifice plate lower oil hole are arranged on the throttling orifice plate, a throttling orifice plate oil groove is arranged on the lower end face of the throttling orifice plate or on the upper end face of the control piston sleeve, a control piston sleeve oil hole and an oil inlet orifice are arranged on the control piston sleeve, the aperture of the oil inlet orifice is smaller than that of the control piston sleeve oil hole, the oil inlet orifice is communicated with the throttling orifice plate oil groove, a control piston is slidingly inserted inside the control piston sleeve, the upper end face of the control piston selectively seals the lower end portion of the throttling orifice plate lower oil hole, an inner ring groove, an outer ring groove and a deflecting groove are arranged on the lower end face of the control flat valve or on the upper end face of the throttling orifice plate, the outer ring groove is sleeved outside the inner ring groove, the outer ring groove is communicated with the inner ring groove through the deflecting groove, and the inner ring groove is selectively communicated with the return oil orifice. By the aid of the controlled injection valve, the processing difficulty is reduced, and the tightness and the production rate are improved.

Description

The control injection valve of electric-controlled fuel injector
Technical field
The present invention relates to a kind of electric-controlled fuel injector parts, especially a kind of control injection valve of electric-controlled fuel injector.
Background technique
Because the Electrocontrolled high-pressure common rail fuel injection system is compared with traditional mechanical type oil-fired system, have the engine noise of reduction, reduce significant advantages such as discharging, improve Economy, therefore be widely applied abroad.At home, because the requirement of Abgasgesetz constantly promotes, high pressure co-rail system has become inevitable choice.
Electric-controlled fuel injector is the critical component of this system, it can realize the idealized control to fuel injection characteristic, can realize multi-injection, in order to realize the quick opening and closing of electric-controlled fuel injector, utilize the pressure difference at control piston two ends to control opening and closing, characteristic according to liquid, utilize this principle to satisfy reflecting requirement fast to electric-controlled fuel injector fully, for the control room that guarantees the control piston two ends can seal under higher pressure, very high to relevant workpiece requirement, owing to there being numerous parts to fit together, the relative position degree is difficult to guarantee, in order to reach requirement, processing cost is very high, cuts reject rate very high.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of injection valve that can reduce difficulty of processing, improve the mould electric-controlled fuel injector of sealing and productivity is provided.
According to technological scheme provided by the invention, the control injection valve of described electric-controlled fuel injector, it comprises control flat valve, restricting orifice, control piston cover and control piston; The lower end surface of described control flat valve has sealing surface; Below restricting orifice, be provided with the control piston cover, the upper end portion of control piston cover has annular projection, the control room that offers at restricting orifice, oilhole under meter out hole and the restricting orifice, offer the restricting orifice oil groove in the lower end surface of restricting orifice or in the upper-end surface of control piston cover, the restricting orifice oil groove is communicated with the control room, the control room is communicated with oilhole under the restricting orifice, oilhole is communicated with the meter out hole under the restricting orifice, put at control piston and to offer control piston cover oilhole and meter in hole, the meter in hole is positioned at the top of control piston cover oilhole, the meter in hole is communicated with control piston cover oilhole, the aperture in meter in hole is less than the aperture of control piston cover oilhole, the meter in hole is communicated with the restricting orifice oil groove, sliding plug has control piston, the underpart of oilhole under the upper-end surface selective shut-off restricting orifice of control piston in the control piston cover; Offer inner groove, outer groove and guiding gutter in the lower end surface of control flat valve or the upper-end surface of restricting orifice, outer groove is enclosed within the outside of inner groove, and outer groove is communicated with by guiding gutter with inner groove, and inner groove is communicated with described meter out hole selectivity.
The lower end surface integral body of control flat valve is the plane and is sealing surface, offer inner groove, outer groove and guiding gutter in the upper-end surface of restricting orifice, outer groove is enclosed within the outside of inner groove, outer groove is communicated with by guiding gutter with inner groove, and inner groove is communicated with described meter out hole selectivity under the sealing surface effect of control flat valve.
The lower end surface of control flat valve has sealing surface, the upper-end surface of restricting orifice is the plane, lower end surface at the control flat valve offers inner groove, outer groove and guiding gutter, outer groove is enclosed within the outside of inner groove, outer groove is communicated with by guiding gutter with inner groove, inner groove is communicated with described meter out hole selectivity under the sealing surface effect of control flat valve, and fit in the control flat valve lower end surface within the inner circle of inner groove and the upper-end surface of restricting orifice, fitting in the lower end surface of the control flat valve between the cylindrical of inner groove and the inner circle of outer groove and the upper-end surface of restricting orifice, fits and form seal band in the upper-end surface of the restricting orifice in the lower end surface of the control flat valve within the inner circle of inner groove and the meter out hole oil return outlet end outside.
Outside diameter≤the 0.8mm of described seal band, and the interior circular diameter 〉=0.3mm of seal band.
The degree of depth of described inner groove is less than the degree of depth of outer groove.
The diversed groove in plane between the cylindrical of described inner groove and the inner circle of outer groove is divided into 3 ~ 8 five equilibriums.
The size of seal contact face of described control flat valve is greater than the oil return outlet end diameter in meter out hole.
The angle of the axis of described control piston cover oilhole and the annular projection lower end surface of control piston cover is 30 ~ 120 °; The angle of the annular projection lower end surface of the axis in described meter in hole and control piston cover is 30 ~ 120 °.
The present invention has reduced difficulty of processing, has improved sealing and productivity.
Description of drawings
Fig. 1 is the structural representation of installing and using of the present invention.
Fig. 2 is the enlarged diagram of restricting orifice among the embodiment 1.
Fig. 3 is the plan view of restricting orifice among Fig. 2.
Fig. 4 is the structural representation of control flat valve among the embodiment 1.
Fig. 5 is the partial structurtes schematic diagram of the embodiment of the invention 2.
Fig. 6 is the plan view of restricting orifice among Fig. 5.
Fig. 7 is the worm's eye view of control flat valve among the embodiment 2.
Fig. 8 is the A-A sectional view of Fig. 7.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the injection valve of this electric-controlled fuel injector, it comprises control flat valve 8, restricting orifice 9, control piston cover 10 and control piston 34; The lower end surface of described control flat valve 8 has sealing surface; Below restricting orifice 9, be provided with control piston cover 10, the upper end portion of control piston cover 10 has annular projection, offer control room 28 at restricting orifice 9, oilhole 25 under meter out hole 24 and the restricting orifice, offer restricting orifice oil groove 36 in the lower end surface of restricting orifice 9 or in the upper-end surface of control piston cover 10, restricting orifice oil groove 36 is communicated with control room 28, control room 28 is communicated with oilhole 25 under the restricting orifice, oilhole 25 is communicated with meter out hole 24 under the restricting orifice, offer control piston cover oilhole 26 and meter in hole 27 at control piston cover 10, meter in hole 27 is positioned at the top of control piston cover oilhole 26, meter in hole 27 is communicated with control piston cover oilhole 26, the aperture in meter in hole 27 is less than the aperture of control piston cover oilhole 26, meter in hole 27 is communicated with restricting orifice oil groove 36, overlapping 10 interior sliding plugs at control piston has control piston 34, the underpart of oilhole 25 under the upper-end surface selective shut-off restricting orifice of control piston 34; The lower end surface integral body of control flat valve 8 is the plane and is sealing surface, offer inner groove 23, outer groove 22 and guiding gutter 21 in the upper-end surface of restricting orifice 9, outer groove 22 is enclosed within the outside of inner groove 23, outer groove 22 is communicated with by guiding gutter 21 with inner groove 23, and inner groove 23 is communicated with described meter out hole 24 selectivity under the sealing surface effect of control flat valve 8.
The degree of depth of described inner groove 23 is less than the degree of depth of outer groove 22.
The diversed groove 21 in plane between the inner circle of the cylindrical of described inner groove 23 and outer groove 22 is divided into 3 ~ 8 five equilibriums.
The size of seal contact face of described control flat valve 8 is greater than the oil return outlet end diameter in meter out hole 24.
The angle of the axis of described control piston cover oilhole 26 and the annular projection lower end surface of control piston cover 10 is 30 ~ 120 °; The angle of the annular projection lower end surface of the axis in described meter in hole 27 and control piston cover 10 is 30 ~ 120 °.
Embodiment 2
The injection valve of electric-controlled fuel injector, it comprises control flat valve 8, restricting orifice 9, control piston cover 10 and control piston 34; The lower end surface of described control flat valve 8 has sealing surface; Below restricting orifice 9, be provided with control piston cover 10, the upper end portion of control piston cover 10 has annular projection, offer control room 28 at restricting orifice 9, oilhole 25 under meter out hole 24 and the restricting orifice, offer restricting orifice oil groove 36 in the lower end surface of restricting orifice 9 or in the upper-end surface of control piston cover 10, restricting orifice oil groove 36 is communicated with control room 28, control room 28 is communicated with oilhole 25 under the restricting orifice, oilhole 25 is communicated with meter out hole 24 under the restricting orifice, offer control piston cover oilhole 26 and meter in hole 27 at control piston cover 10, meter in hole 27 is positioned at the top of control piston cover oilhole 26, meter in hole 27 is communicated with control piston cover oilhole 26, the aperture in meter in hole 27 is less than the aperture of control piston cover oilhole 26, meter in hole 27 is communicated with restricting orifice oil groove 36, overlapping 10 interior sliding plugs at control piston has control piston 34, the underpart of oilhole 25 under the upper-end surface selective shut-off restricting orifice of control piston 34; The lower end surface of control flat valve 8 has sealing surface, the upper-end surface of restricting orifice 9 is the plane, lower end surface at control flat valve 8 offers inner groove 23, outer groove 22 and guiding gutter 21, outer groove 22 is enclosed within the outside of inner groove 23, outer groove 22 is communicated with by guiding gutter 21 with inner groove 23, inner groove 23 is communicated with described meter out hole 24 selectivity under the sealing surface effect of control flat valve 8, and fit in control flat valve 8 lower end surfaces within the inner circle of inner groove 23 and the upper-end surface of restricting orifice 9, fitting in the lower end surface of the control flat valve 8 between the inner circle of the cylindrical of inner groove 23 and outer groove 22 and the upper-end surface of restricting orifice 9, fits and form seal band in the upper-end surface of the restricting orifice 9 in the lower end surface of the control flat valve 8 within the inner circle of inner groove 23 and the meter out hole 24 oil return outlet end outside.
Outside diameter≤the 0.8mm of described seal band, and the interior circular diameter 〉=0.3mm of seal band.
The degree of depth of described inner groove 23 is less than the degree of depth of outer groove 22.
The diversed groove 21 in plane between the inner circle of the cylindrical of described inner groove 23 and outer groove 22 is divided into 3 ~ 8 five equilibriums.
The size of seal contact face of described control flat valve 8 is greater than the oil return outlet end diameter in meter out hole 24.
The angle of the axis of described control piston cover oilhole 26 and the annular projection lower end surface of control piston cover 10 is 30 ~ 120 °; The angle of the annular projection lower end surface of the axis in described meter in hole 27 and control piston cover 10 is 30 ~ 120 °.
The injection valve of electric-controlled fuel injector of the present invention is installed in the oil injector body in use, this oil injector body has: offer oil sprayer shell oilhole 11.1 in oil sprayer shell 11, oil sprayer shell oilhole 11.1 is communicated with oil-feed interface on the oil sprayer shell 11, in oil sprayer shell 11, be provided with grommet 5 and control valve couple 6, control valve couple 6 is positioned at the below of grommet 5, offer control valve couple oilhole 6.1 in control valve couple 6, below control valve couple 6, be provided with restricting orifice 9, oil sprayer shell oilhole 11.1 is communicated with described control piston cover oilhole 26, upper end at oil sprayer shell 11 is fixed with electromagnet 1 by the very tight cap 3 of electromagnetism, has solenoid valve spring 4 in the electromagnet 1, be connected with armature 7 in the underpart of solenoid valve spring 4, offer armature runner 7.1 at armature 7, be welded with armature lever at armature 7, be fixed with adjustment ball 20 in the underpart of armature lever, be provided with control flat valve 8 in the control valve couple 6 below armature lever, the upper-end surface of control flat valve 8 is provided with sphere depression 33, be fixed with nozzle cap nut 18 in the lower end of oil sprayer shell 11, fuel injector boss 17 is installed in nozzle cap nut 18, in fuel injector boss 17, oil nozzle is installed, in fuel injector boss 17, offer fuel injector boss oilhole 17.1, in the nozzle cap nut 18 above fuel injector boss 17 intermediate 15 is installed, in intermediate 15, offer intermediate oilhole 15.1, described oil sprayer shell oilhole 11.1 is communicated with intermediate oilhole 15.1, intermediate oilhole 15.1 is communicated with fuel injector boss oilhole 17.1, is fixed with locating stud 16 at intermediate 15; In the lower end of oil sprayer shell 11, be provided with push rod 14, the underpart of push rod 14 and the upper end portion of oil nozzle offset, the underpart of the upper end portion of push rod 14 and control piston 34 offsets, outer cover is connected to push rod guide pad 19 in the upper end of push rod 14, push rod 14 below push rod guide pad 19 is provided with pressure adjusting spring 13, and the underpart of pressure adjusting spring 13 and push rod 14 lower end bulge loops offset.
Be provided with spring and adjust pad 2 in electromagnet 1, the upper end portion of described solenoid valve spring 4 and spring are adjusted pad 2 and are offseted.
Push rod 14 below push rod guide pad 19 is socketed with pressure regulation pad 12, and the upper end portion of described pressure adjusting spring 13 and pressure regulation pad 12 offset.
During work, high pressure fuel flows into meter in hole 27 by the control piston cover oilhole 26 on the control piston cover 10, enter again the restricting orifice oil groove 36 of restricting orifice 9 from meter in hole 27, enter control room 28 through restricting orifice oil groove 36 again, control room 28 is synthetic by the gap between restricting orifice 9 and the control piston cover 10, its effect is the fuel oil of its internal memory certain pressure, make pressure-acting in control piston 34 axial direction to-and-fro motion, when control flat valve 8 lifts, fuel oil in the control room 28 flows in the inner groove 23 by oilhole 25 under the meter out hole 24 on the restricting orifice 9 and the restricting orifice, flow to larger outer groove 22 through guiding gutter 21 again, then evenly flow out around the fuel oil; When the fuel oil in the control room 28 flows out by oilhole 25 under the meter out hole 24 on the restricting orifice 9 and the restricting orifice, the fuel pressure in control room 28 descends, and the restricting orifice oil groove 36 of restricting orifice 9 enters control room 28 amount of fuel less than the oil mass that flows out by oilhole under the restricting orifice on the restricting orifice 9 25, when control flat valve 8 lifts, control room 28 interior oil pressure can't be set up, like this under the effect of control piston 34 the other end power, control piston 34 is to the direction motion of restricting orifice 9, when control flat valve 8 falls, fit in the lower end surface of control flat valve 8 and the upper-end surface of restricting orifice 9, fuel oil flow pass in the control room 28 is truncated, the restricting orifice oil groove 36 of restricting orifice 9 enters control room 28 fuel oils and is on the increase, when control room 28 fuel pressures reach certain value, control piston 34 is pushed the direction motion away from restricting orifice 9, and this moment, whole control valve was finished a motion.In its working procedure, repeat such circulation.

Claims (8)

1. the control injection valve of an electric-controlled fuel injector is characterized in that: it comprises that control flat valve (8) and restricting orifice (9) and control piston overlap 10, and the lower end surface of described control flat valve (8) has sealing surface; Offer control room (28) at restricting orifice (9), connect oilhole (25) under oilhole (36), meter out hole (24) and the restricting orifice; Offer meter in hole (27) on the control piston cover 10 and connect oil inlet hole (26); The aperture in oil-inlet economizing hole (27) is less than the aperture of meter out hole (24), the aperture in oil-inlet economizing hole (27) is less than the aperture that connects oilhole (36), the aperture in meter out hole (24) is less than the aperture of oilhole under the restricting orifice (25), connecting oil inlet hole (26) is communicated with oil-inlet economizing hole (27), oil-inlet economizing hole (27) be connected oilhole (36) and be communicated with, connecting oilhole (36) is communicated with control room (28), control room (28) is communicated with oilhole (25) under the restricting orifice, and oilhole under the restricting orifice (25) is communicated with meter out hole (24); Offer inner groove (23), outer groove (22) and guiding gutter (21) in the lower end surface of control flat valve (8) or the upper-end surface of restricting orifice (9), outer groove (22) is enclosed within the outside of inner groove (23), outer groove (22) is communicated with by guiding gutter (21) with inner groove (23), and inner groove (23) is communicated with described meter out hole (24) selectivity under the sealing surface effect of control flat valve (8).
2. the control injection valve of electric-controlled fuel injector as claimed in claim 1, it is characterized in that: the lower end surface integral body of control flat valve (8) is for the plane and be sealing surface, offer inner groove (23) in the upper-end surface of restricting orifice (9), outer groove (22) and guiding gutter (21), outer groove (22) is enclosed within the outside of inner groove (23), outer groove (22) is communicated with by guiding gutter (21) with inner groove (23), inner groove (23) is communicated with described meter out hole (24) selectivity under the sealing surface effect of control flat valve (8), and outer groove (22) joins with control valve couple oilhole (6.1).
3. the control injection valve of electric-controlled fuel injector as claimed in claim 1, it is characterized in that: the lower end surface of control flat valve (8) has sealing surface, the upper-end surface of restricting orifice (9) is the plane, lower end surface at control flat valve (8) offers inner groove (23), outer groove (22) and guiding gutter (21), outer groove (22) is enclosed within the outside of inner groove (23), outer groove (22) is communicated with by guiding gutter (21) with inner groove (23), inner groove (23) is communicated with described meter out hole (24) selectivity under the sealing surface effect of control flat valve (8), outer groove (22) joins with control valve couple oilhole (6.1), and fit in control flat valve (8) lower end surface within the inner circle of inner groove (23) and the upper-end surface of restricting orifice (9), fitting in the lower end surface of the control flat valve (8) between the inner circle of the cylindrical of inner groove (23) and outer groove (22) and the upper-end surface of restricting orifice (9), fits and form seal band in the upper-end surface of the restricting orifice (9) in the lower end surface of the control flat valve (8) within the inner circle of inner groove (23) and meter out hole (24) the oil return outlet end outside.
4. the control injection valve of electric-controlled fuel injector as claimed in claim 3 is characterized in that: the outside diameter≤0.8mm of described seal band, and the interior circular diameter 〉=0.3mm of seal band.
5. the control injection valve of electric-controlled fuel injector as claimed in claim 1, it is characterized in that: the degree of depth of described inner groove (23) is less than the degree of depth of outer groove (22).
6. the control injection valve of electric-controlled fuel injector as claimed in claim 1, it is characterized in that: the diversed groove in plane (21) between the inner circle of the cylindrical of described inner groove (23) and outer groove (22) is divided into 3 ~ 8 five equilibriums.
7. the control injection valve of electric-controlled fuel injector as claimed in claim 1, it is characterized in that: the size of seal contact face of described control flat valve (8) is greater than the oil return outlet end diameter of meter out hole (24).
8. the control injection valve of electric-controlled fuel injector as claimed in claim 1 is characterized in that: the angle of the axis of described control piston cover oilhole (26) and the annular projection lower end surface of control piston cover (10) is 30 ~ 120 °; The angle of the annular projection lower end surface of the axis in described meter in hole (27) and control piston cover (10) is 30 ~ 120 °.
CN2013100083391A 2013-01-10 2013-01-10 Controlled injection valve of electrical oil injector Pending CN103047060A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2013100083391A CN103047060A (en) 2013-01-10 2013-01-10 Controlled injection valve of electrical oil injector
PCT/CN2013/001118 WO2014107826A1 (en) 2013-01-10 2013-09-22 Injection control valve of an electronically controlled fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100083391A CN103047060A (en) 2013-01-10 2013-01-10 Controlled injection valve of electrical oil injector

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CN103047060A true CN103047060A (en) 2013-04-17

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WO (1) WO2014107826A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014107826A1 (en) * 2013-01-10 2014-07-17 无锡开普机械有限公司 Injection control valve of an electronically controlled fuel injector
WO2014107978A1 (en) * 2013-01-10 2014-07-17 无锡开普机械有限公司 Injection control flat valve mechanism of electronically controlled fuel injector

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CN203098111U (en) * 2013-01-10 2013-07-31 无锡开普机械有限公司 Control injection valve of electronic fuel injector

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CN103047062A (en) * 2013-01-10 2013-04-17 无锡开普机械有限公司 Electronic control oil sprayer for injection valve
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CN103047060A (en) * 2013-01-10 2013-04-17 无锡开普机械有限公司 Controlled injection valve of electrical oil injector
CN203098110U (en) * 2013-01-10 2013-07-31 无锡开普机械有限公司 Electronic-control fuel injector of injection valve
CN103047061A (en) * 2013-01-10 2013-04-17 无锡开普机械有限公司 Controlled injection flat valve mechanism of electrical oil injector

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Publication number Priority date Publication date Assignee Title
WO2006012665A1 (en) * 2004-08-06 2006-02-09 Robert Bosch Gmbh Device for the injection of fuel into the combustion chamber of an internal combustion engine
JP2010174849A (en) * 2009-02-02 2010-08-12 Denso Corp Solenoid valve and fuel injection valve
CN101818711A (en) * 2010-06-03 2010-09-01 无锡开普动力有限公司 Injection valve of electric control oil injector
CN102230435A (en) * 2011-06-14 2011-11-02 常州博瑞油泵油嘴有限公司 Plane opening and closing type diesel engine high-pressure common rail oil sprayer
CN102374084A (en) * 2011-09-20 2012-03-14 福建省莆田市中涵机动力有限公司 Static non-leakage high pressure common-rail injector
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014107826A1 (en) * 2013-01-10 2014-07-17 无锡开普机械有限公司 Injection control valve of an electronically controlled fuel injector
WO2014107978A1 (en) * 2013-01-10 2014-07-17 无锡开普机械有限公司 Injection control flat valve mechanism of electronically controlled fuel injector

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Application publication date: 20130417