CN1936314A - Coordinate electric-controlled fuel-oil jetting system - Google Patents
Coordinate electric-controlled fuel-oil jetting system Download PDFInfo
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- CN1936314A CN1936314A CN 200610095171 CN200610095171A CN1936314A CN 1936314 A CN1936314 A CN 1936314A CN 200610095171 CN200610095171 CN 200610095171 CN 200610095171 A CN200610095171 A CN 200610095171A CN 1936314 A CN1936314 A CN 1936314A
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Abstract
This invention discloses a coordinated electric controlled fuel spray system including a nozzle tip coupled piece, a sprayer, pads and a pressure-regulation spring of a sprayer characterizing that the top of the sprayer is set with a groove and an electromagnetic valve is set on the groove, the base of a control valve is installed on the bottom of the groove by a regulation pad, oil-ins mutually connected are set on the valve base and the regulation pad connected with the high pressure oil channel on the sprayer device to form a high pressure fuel cavity and spill ports mutually connected are set on them to form a spill channel, a spill cavity is set at the top side of the sprayer, the inside bottom of the control valve base is a cone, the bottom of the valve core is matched with said cone, when the valve core and the base are started up, the high pressure fuel cavity is connected with the spill cavity of the sprayer via the spill channel, which can control the sprayer timely to spray fuel .
Description
Technical field
The present invention relates to a kind of fuel injection pumping system, especially relate to a kind of coordinate electric-controlled fuel-oil jetting system.
Background technique
Along with the pay attention to day by day of country to environmental protection, the diesel engine of Europe II discharging can not satisfy the needs of national development.The diesel engine of Europe III discharging becomes the research direction of domestic each engine works, and the fuel injection pumping system is influence one of topmost component of engine emission, therefore, must develop and a kind ofly can satisfy Europe III and discharge the oil sprayer that adapts and adapt with it.
Summary of the invention
The invention provides a kind of coordinate electric-controlled fuel-oil jetting system that can satisfy Europe III discharging.Its technological scheme is: a kind of electric control fuel oil jet system, comprise oil nozzle idol part, oil injector body, pad, spring for fuel injector, it is characterized in that: the oil injector body top is provided with a groove, groove is provided with solenoid valve, and the control valve valve seat of solenoid valve is installed in the bottom of groove by spacer; Be respectively equipped with the filler opening that communicates with each other on control valve valve seat and the spacer and be communicated with high-pressure oil duct on the oil injector body and form the high pressure fuel chamber, also be provided with the return opening that communicates with each other and form drainback passage, the side, top of oil injector body is provided with oil back chamber; The inside bottom of control valve valve seat is the conical surface, and the conical surface of the lower end of control valve spool and control valve valve seat is complementary; When control valve spool and control valve valve seat were opened, chamber, high pressure fuel chamber was communicated with the oil back chamber of oil injector body by drainback passage.
The control system of described solenoid valve comprises electromagnet and rabbets its interior armature; Electromagnet is connected with the top of oil injector body by dividing plate, and armature is connected with the top of control valve spool; Be socketed with gag bit pad, solenoid valve spring and spring seat on the control valve spool between armature and the control valve valve seat from top to bottom successively; Be provided with gland between the inner side surface of solenoid valve spring and oil injector body; Be respectively arranged with sealing gasket between dividing plate and electromagnet and the oil injector body.
Be connected by screw between control valve spool and the armature; Be connected by attachment screw between electromagnet, dividing plate and the oil injector body.
The upper end of spring for fuel injector is equipped with a back pressure valve in oil injector body, sets gradually steel ball, back pressure valve spring seat and back pressure valve spring in the valve seat in the back pressure valve from the bottom to top; Oil injector body is provided with an oil input channel back pressure cavity of high pressure fuel chamber with the spring for fuel injector place is communicated with.
Pad is arranged on the upper end of spring for fuel injector, be provided with the jet solenoid valve in the upper end of pad, pad is connected with the control valve valve seat of jet solenoid valve, be respectively equipped with the oil input channel that is interconnected and be communicated with high pressure fuel chamber and fuel chamber respectively on pad and control valve valve seat, the control valve valve seat is provided with the return opening that is communicated with drainback passage; The upper end of control valve valve seat is the control valve spool, and it is in contact with one another face is the conical surface; When control valve spool and control valve valve seat were opened, fuel chamber was communicated with the oil back chamber of oil injector body by return opening, drainback passage.
Described jet solenoid valve is made up of the armature of electromagnet and lower end thereof, and armature is fitted on the control valve spool, is provided with the solenoid valve spring between armature, control valve spool and the electromagnet.
Useful technique effect of the present invention is: can in time control oil sprayer injected fuel in cylinder.Make the fuel injection characteristic of oil sprayer help the discharging and the economic performance of motor most, reach the requirement of Europe III Abgasgesetz.
Description of drawings
Fig. 1 is the structural drawing of the embodiment of the invention 1;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural drawing of the embodiment of the invention 2;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the structural drawing of inventive embodiments 3;
Fig. 6 is the partial enlarged drawing of Fig. 5.
In the accompanying drawing, oil nozzle idol part 1, oil injector body 2, oil input channel 3, pad 4, spring for fuel injector 5, jet solenoid valve 6, solenoid valve spring 6-1, control valve valve seat 6-2, control valve spool 6-3, electromagnet 6-4, armature 6-5, pressure regulation pad 7, solenoid valve 8, drainback passage 8-1, spacer 8-2, control valve valve seat 8-3, control valve spool 8-4, gland 8-5, dividing plate 8-6, electromagnet 8-7, spring seat 8-8, solenoid valve spring 8-9, gag bit pad 8-10, sealing gasket 8-11, armature 8-12, screw 8-13, attachment screw 8-14, back pressure valve 9, valve seat 9-1, back pressure valve spring 9-2, back pressure valve spring seat 9-3, steel ball 9-4, high pressure fuel chamber A, return opening B, oil back chamber C, back pressure cavity D, fuel chamber E.
Embodiment
Embodiment 1: referring to Fig. 1, Fig. 2, a kind of electric control fuel oil jet system, comprise oil nozzle idol part 1, oil injector body 2, pad 4, spring for fuel injector 5, it is characterized in that: oil injector body 2 tops are provided with a groove, groove is provided with solenoid valve 8, and the control valve valve seat 8-3 of solenoid valve 8 is installed in the bottom of groove by spacer 8-2; Be respectively equipped with the filler opening that communicates with each other on control valve valve seat 8-3 and the spacer 8-2 and be communicated with and form A chamber, high pressure fuel chamber with high-pressure oil duct on the oil injector body 2, also be provided with the return opening that communicates with each other and form drainback passage 8-1, the side, top of oil injector body 2 is provided with oil back chamber C chamber; The inside bottom of control valve valve seat 8-3 is the conical surface, and the conical surface of the lower end of control valve spool 8-4 and control valve valve seat 8-3 is complementary; When control valve spool 8-4 and control valve valve seat 8-3 opened, A chamber, high pressure fuel chamber was communicated with the oil back chamber C chamber of oil injector body 2 by drainback passage 8-1.
The control system of described solenoid valve 8 comprises electromagnet 8-7 and rabbets its interior armature 8-12; Electromagnet 8-7 is connected with the top of oil injector body 2 by dividing plate 8-6, and armature 8-12 is connected with the top of control valve spool 8-4; Be socketed with gag bit pad 8-10, solenoid valve spring 8-9 and spring seat 8-8 from top to bottom successively on the control valve spool 8-4 between armature 8-12 and the control valve valve seat 8-3; Be provided with gland 8-5 between the inner side surface of spring 8-9 and oil injector body 2; Be respectively arranged with sealing gasket 8-11 between dividing plate 8-6 and electromagnet 8-7 and the oil injector body 2.
Be connected by screw 8-13 between control valve spool 8-4 and the armature 8-12; Be connected by attachment screw 8-14 between electromagnet 8-7, dividing plate 8-6 and the oil injector body 2.
Present embodiment is by the principle of electromagnet 8-7 control control valve spool 8-4 and control valve valve seat 8-3 switch, produce electromagnetic force by electromagnet 8-7 energising, guarantee that electromagnet 8-7 produces electromagnetic force upwards and overcomes the restoring force of spring 8-9 and high pressure fuel to the downward active force of control valve spool 8-4, make the sealing of control valve spool 8-4 and control valve valve seat 8-3 seat surface produce high pressure.And when electromagnetic force disappeared, control valve spool 8-4 moved downward and produces the gap release under the active force of the restoring force of spring 8-9 and high pressure fuel.
Injection process: when injection pump plunger by lower dead center in the process of top dead center motion, when fuel oil enters oil injector body 2 high-pressure oil ducts, electromagnet 8-7 energising produces electromagnetic force, make armature 8-12 up move, armature 8-12 drives control valve spool 8-4 and moves upward, with till the sealing cone of control valve valve seat 8-3 contacts, A chamber, high pressure fuel chamber forms confined space until the sealing cone of control valve spool 8-4.At this moment, because plunger continues to move upward, fuel oil constantly enters high-pressure oil duct, the compression fuel oil, fuel pressure raises rapidly, when fuel pressure overcame spring for fuel injector 5 and gives the injection pressure of injector of adjustment by pressure regulation pad 7, fuel oil to the cylinder oil spout, was finished injection process by oil nozzle idol part 1.
Stop oil spout: when the needs according to motor stop oil spout, only need to disconnect the power supply of electromagnet 8-7, electromagnetic force disappears.Because electromagnetic force disappears, under the return effect of spring 8-9, promoting control valve spool 8-4 and armature 8-12 moves downward together, the sealing cone of control valve spool 8-4 leaves the sealing cone of control valve valve seat 8-3, between produces the gap, high pressure fuel just flows to the oil back chamber C of oil injector body by this gap and drainback passage 8-1 from A chamber, high pressure fuel chamber, fuel pressure reduces rapidly, fuel pressure in the oil sprayer can't overcome spring for fuel injector 5 gives adjustment by pressure regulation pad 7 injection pressure of injector, make the oil nozzle idol part 1 of oil sprayer be in closed condition all the time, oil sprayer is in the fuel cut-off state.
Present embodiment can in time be controlled oil sprayer injected fuel in cylinder.Make the fuel injection characteristic of oil sprayer help the discharging and the economic performance of motor most, reach the requirement of Europe III Abgasgesetz.
Embodiment 2: referring to Fig. 3, Fig. 4, on embodiment 1 basis, the upper end of spring for fuel injector 5 is equipped with a back pressure valve 9 in oil injector body 2, sets gradually steel ball 9-4, back pressure valve spring seat 9-3 and back pressure valve spring 9-2 in the valve seat 9-1 in the back pressure valve 9 from the bottom to top; Oil injector body 2 is provided with an oil input channel 3 the back pressure cavity D chamber of A chamber, high pressure fuel chamber with spring for fuel injector 5 places is communicated with.
Present embodiment is by the principle of electromagnet 8-7 control control valve spool 8-4 and control valve valve seat 8-3 switch, produce electromagnetic force by electromagnet 8-7 energising, guarantee that electromagnet 8-7 produces electromagnetic force upwards and overcomes the restoring force of spring 8-9 and high pressure fuel to the downward active force of control valve spool 8-4, make the sealing of control valve spool 8-4 and control valve valve seat 8-3 seat surface produce high pressure, the fuel oil in high pressure fuel chamber is after overcoming giving of back pressure valve 9 and adjusting pressure, and steel ball 9-4 opens.And when electromagnetic force disappeared, control valve spool 8-4 moved downward and produces the gap release under the active force of the restoring force of spring 8-9 and high pressure fuel.
Injection process: when injection pump plunger by lower dead center in the process of top dead center motion, when fuel oil enters oil injector body 2 high-pressure oil ducts, electromagnet 8-7 energising produces electromagnetic force, make armature 8-12 up move, armature 8-12 drives control valve spool 8-4 and moves upward, with till the sealing cone of control valve valve seat 8-3 contacts, A chamber, high pressure fuel chamber forms confined space until the sealing cone of control valve spool 8-4.At this moment, because plunger continues to move upward, fuel oil constantly enters high-pressure oil duct, the compression fuel oil; On oil injector body 2, there is an oil input channel 3 to join with back pressure cavity D chamber, fuel oil enters back pressure cavity D simultaneously, this moment, back pressure cavity D was identical with A chamber, high pressure fuel chamber oil pressure, oil nozzle idol part 1 still is in closed condition, along with fuel pressure raises rapidly, when fuel pressure overcome back pressure valve spring 9-2 give adjust pressure after, the lift off a seat sealing cone of 9-1 of steel ball 9-4, between produces the gap, high pressure fuel just enters the oil back chamber C that drainback passage B flows to oil injector body from back pressure cavity D chamber by this gap, because the oil input channel circulation area of joining with back pressure cavity D chamber on the oil injector body is much smaller than the sealing cone area of steel ball 9-4 and valve seat 9-1, the oil pressure in back pressure cavity D chamber descends, be lower than the oil pressure in A chamber, high pressure fuel chamber, and pressure gives adjustment by pressure regulation pad 7 far above spring for fuel injector 5 injection pressure of injector is adjusted in giving of back pressure valve 9, this moment, fuel oil to the cylinder oil spout, was finished injection process by oil nozzle idol part 1.
Stop oil spout: when the needs according to motor stop oil spout, only need to disconnect the power supply of electromagnet 8-7, electromagnetic force disappears.Because electromagnetic force disappears, under the return effect of spring 8-9, promoting control valve spool 8-4 and armature 8-12 moves downward together, the sealing cone of control valve spool 8-4 leaves the sealing cone of control valve valve seat 8-3, between produces the gap, high pressure fuel just flows to the oil back chamber C of oil injector body by this gap and drainback passage B from A chamber, high pressure fuel chamber, fuel pressure reduces rapidly, the steel ball 9-4 of back pressure valve 9 takes a seat under the effect of back pressure valve spring 9-2 restoring force, close back pressure valve 9, make back pressure cavity D identical with A chamber, high pressure fuel chamber oil pressure, what the fuel pressure in the oil sprayer can't overcome back pressure valve 9 gives adjustment pressure, make the oil nozzle idol part 1 of oil sprayer be in closed condition all the time, oil sprayer is in the fuel cut-off state.
Present embodiment can be in time with higher cracking pressure control oil sprayer injected fuel in cylinder.
Embodiment 3: referring to Fig. 5, Fig. 6, on embodiment 1 basis, pad 4 is arranged on the upper end of spring for fuel injector 5, be provided with jet solenoid valve 6 in the upper end of pad 4, pad 4 is connected with the control valve valve seat 6-2 of jet solenoid valve 6, be respectively equipped with the oil input channel 3 that is interconnected and be communicated with A chamber, high pressure fuel chamber and fuel chamber E chamber respectively on pad 4 and control valve valve seat 6-2, control valve valve seat 6-2 is provided with the return opening B that is communicated with drainback passage 8-1; The upper end of control valve valve seat 6-2 is control valve spool 6-3, and it is in contact with one another face is the conical surface; When control valve spool 6-3 and control valve valve seat 6-2 opened, fuel chamber E chamber was communicated with the oil back chamber C chamber of oil injector body 2 by return opening B, drainback passage 8-1.
Described jet solenoid valve 6 is made up of the armature 6-5 of electromagnet 6-4 and lower end thereof, and armature 6-5 is fitted on the control valve spool 6-3, is provided with solenoid valve spring 6-1 between armature 6-5, control valve spool 6-3 and the electromagnet 6-4.
Present embodiment adopts the dual-coil electromagnetic valve structure, control the principle of different two pairs of control valve spools and control valve valve seat switch respectively by double electromagnet, produce electromagnetic force by electromagnet 8-7 energising, guarantee that electromagnet 8-7 produces electromagnetic force upwards and overcomes the restoring force of solenoid valve spring 8-9 and high pressure fuel to the downward active force of control valve spool 8-4, make the sealing of control valve spool 8-4 and control valve valve seat 8-3 seat surface produce high pressure; And when electromagnetic force disappeared, control valve spool 8-4 moved downward and produces the gap release under the active force of the restoring force of solenoid valve spring 8-9 and high pressure fuel.Produce electromagnetic force by electromagnet 6-4 energising, guarantee that electromagnet 6-4 produces the restoring force that electromagnetic force upwards overcomes solenoid valve spring 6-1, control valve spool 6-3 moves upward and produces the gap release.And when electromagnetic force disappears, overcome under the active force of high pressure fuel at solenoid valve spring 6-1 restoring force, control valve spool 6-3 moves downward, and produces high pressure with the sealing of control valve valve seat 6-2 seat surface.
Injection process: when injection pump plunger by lower dead center in the process of top dead center motion, when fuel oil enters oil injector body 2 high-pressure oil ducts, electromagnet 8-7 energising produces electromagnetic force, make armature 8-12 up move, armature 8-12 drives control valve spool 8-4 and moves upward, with till the sealing cone of control valve valve seat 8-3 contacts, A chamber, high pressure fuel chamber forms confined space until the sealing cone of control valve spool 8-4.At this moment, because plunger continues to move upward, fuel oil constantly enters high-pressure oil duct, the compression fuel oil, and fuel pressure raises rapidly; But have the oil input channel of an oil input channel and control valve valve seat 6-2 and fuel chamber E chamber to join on pad 4, fuel oil enters fuel chamber E chamber simultaneously, and this moment, fuel chamber E chamber was identical with A chamber, high pressure fuel chamber oil pressure, and oil nozzle idol part 1 is in closed condition; When the needs oil spout, electromagnet 6-4 energising produces the restoring force that electromagnetic force overcomes solenoid valve spring 6-1, makes armature 6-5 up move, and armature 6-5 drives control valve spool 6-3 and moves upward, and control valve spool 6-3 moves upward and produces the gap release.Fuel oil just enters the oil back chamber C that drainback passage 8-1 flows to oil injector body from fuel chamber E chamber by this gap, because the oil input channel circulation area of joining with fuel chamber E chamber on the pad is less than the pressure release area of control valve spool 6-3 and control valve valve seat 6-2, the A chamber, oil pressure suppression ratio high pressure fuel chamber in fuel chamber E chamber is rapid, be lower than the oil pressure in A chamber, high pressure fuel chamber, when fuel pressure overcomes spring for fuel injector 6 and gives the injection pressure of injector of adjustment, fuel oil passes through oil nozzle idol part 1 to the cylinder oil spout, finish injection process, and can realize repeatedly oil spout by the switching of control electromagnetic valve 6-4.
Stop oil spout: when the needs according to motor stop oil spout, only need to disconnect the power supply of electromagnet 8-7, electromagnetic force disappears.Because electromagnetic force disappears, under the return effect of spring 8-9, promoting control valve spool 8-4 and armature 8-12 moves downward together, the sealing cone of control valve spool 8-4 leaves the sealing cone of control valve valve seat 8-3, between produces the gap, and high pressure fuel just flows to the oil back chamber C of oil injector body by this gap and drainback passage B from A chamber, high pressure fuel chamber, and fuel pressure reduces rapidly, make the oil nozzle idol part 1 of oil sprayer be in closed condition all the time, oil sprayer is in the fuel cut-off state.
Even when fuel feeding, solenoid valve 8 is under the working condition, when not needing oil spout, only need to disconnect the power supply of electromagnet 6-4, make armature 6-5 under the restoring force of solenoid valve spring 6-1, driving control valve spool 6-3 moves downward, until the sealing cone of control valve spool 6-3 with till the sealing cone of control valve valve seat 6-2 contacts, fuel chamber E chamber forms confined space, make fuel chamber E chamber identical with A chamber, high pressure fuel chamber oil pressure, oil nozzle idol part 1 still can be in closed condition, and oil sprayer is in the fuel cut-off state.
Present embodiment can in good time, repeatedly pass through electromagnetic valve oil sprayer injected fuel in cylinder.
Claims (6)
1, a kind of coordinate electric-controlled fuel-oil jetting system, comprise oil nozzle idol part (1), oil injector body (2), pad (4), spring for fuel injector (5), it is characterized in that: oil injector body (2) top is provided with a groove, groove is provided with solenoid valve (8), and the control valve valve seat (8-3) of solenoid valve (8) is installed in the bottom of groove by spacer (8-2); Be respectively equipped with the filler opening that communicates with each other on control valve valve seat (8-3) and the spacer (8-2) and be communicated with and form chamber, high pressure fuel chamber (A) with high-pressure oil duct on the oil injector body (2), also be provided with the return opening that communicates with each other and form drainback passage (8-1), the side, top of oil injector body (2) is provided with oil back chamber (C) chamber; The inside bottom of control valve valve seat (8-3) is the conical surface, and the conical surface of the lower end of control valve spool (8-4) and control valve valve seat (8-3) is complementary; When control valve spool (8-4) was opened with control valve valve seat (8-3), chamber, high pressure fuel chamber (A) was communicated with oil back chamber (C) chamber of oil injector body by drainback passage (8-1).
2, coordinate electric-controlled fuel-oil jetting system according to claim 1 is characterized in that: the control system of described solenoid valve (8) comprises electromagnet (8-7) and rabbets its interior armature (8-12); Electromagnet (8-7) is connected with the top of oil injector body (2) by dividing plate (8-6), and armature (8-12) is connected with the top of control valve spool (8-4); Be socketed with gag bit pad (8-10), solenoid valve spring (8-9) and spring seat (8-8) on the control valve spool (8-4) between armature (8-12) and the control valve valve seat (8-3) from top to bottom successively; Be provided with gland (8-5) between the inner side surface of solenoid valve spring (8-9) and oil injector body (2); Be respectively arranged with sealing gasket (8-11) between dividing plate (8-6) and electromagnet (8-7) and the oil injector body (2).
3, coordinate electric-controlled fuel-oil jetting system according to claim 2 is characterized in that: be connected by screw (8-13) between control valve spool (8-4) and the armature (8-12); Be connected by attachment screw (8-14) between electromagnet (8-7), dividing plate (8-6) and the oil injector body (2).
4, coordinate electric-controlled fuel-oil jetting system according to claim 1, it is characterized in that: the upper end of spring for fuel injector (5) is equipped with a back pressure valve (9) in oil injector body (2), sets gradually steel ball (9-4), back pressure valve spring seat (9-3) and back pressure valve spring (9-2) in the valve seat (9-1) in the back pressure valve (9) from the bottom to top; Oil injector body (2) is provided with an oil input channel (3) chamber, high pressure fuel chamber (A) is communicated with back pressure cavity (D) chamber at spring for fuel injector (5) place.
5, coordinate electric-controlled fuel-oil jetting system according to claim 1, it is characterized in that: pad (4) is arranged on the upper end of spring for fuel injector (5), be provided with jet solenoid valve (6) in the upper end of pad (4), pad (4) is connected with the control valve valve seat (6-2) of jet solenoid valve (6), be respectively equipped with the oil input channel (3) that is interconnected and be communicated with fuel chamber (E) chamber at (A) chamber, high pressure fuel chamber and spring for fuel injector (5) place respectively on pad (4) and control valve valve seat (6-2), control valve valve seat (6-2) is provided with the return opening (B) that is communicated with drainback passage (8-1); The upper end of control valve valve seat (6-2) is control valve spool (6-3), and it is in contact with one another face is the conical surface; When control valve spool (6-3) was opened with control valve valve seat (6-2), fuel chamber (E) chamber was communicated with oil back chamber (C) chamber of oil injector body (2) by return opening (B), drainback passage (8-1).
6, coordinate electric-controlled fuel-oil jetting system according to claim 5, it is characterized in that: described jet solenoid valve (6) is made up of the armature (6-5) of electromagnet (6-4) and lower end thereof, armature (6-5) is fitted on the control valve spool (6-3), is provided with solenoid valve spring (6-6) between armature (6-5), control valve spool (6-3) and the electromagnet (6-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100951712A CN100443714C (en) | 2006-09-29 | 2006-09-29 | Coordinate electric-controlled fuel-oil jetting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100951712A CN100443714C (en) | 2006-09-29 | 2006-09-29 | Coordinate electric-controlled fuel-oil jetting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1936314A true CN1936314A (en) | 2007-03-28 |
| CN100443714C CN100443714C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100951712A Expired - Fee Related CN100443714C (en) | 2006-09-29 | 2006-09-29 | Coordinate electric-controlled fuel-oil jetting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644060A (en) * | 2013-12-05 | 2014-03-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Control valve |
| CN104564463A (en) * | 2014-12-31 | 2015-04-29 | 无锡威孚马山油泵油嘴有限公司 | Common-rail oil injector assembly |
| CN107795421A (en) * | 2016-09-02 | 2018-03-13 | 罗伯特·博世有限公司 | fuel injector for engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06288317A (en) * | 1993-04-08 | 1994-10-11 | Toyota Motor Corp | Fuel injection device for diesel engine |
| JPH10115266A (en) * | 1996-10-09 | 1998-05-06 | Zexel Corp | Fuel injection nozzle |
| CN200958445Y (en) * | 2006-09-29 | 2007-10-10 | 中国重汽集团重庆燃油喷射***有限公司 | Coordinated electricall-controlled fuel-oil jetting system |
-
2006
- 2006-09-29 CN CNB2006100951712A patent/CN100443714C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644060A (en) * | 2013-12-05 | 2014-03-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Control valve |
| CN103644060B (en) * | 2013-12-05 | 2016-02-24 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | A kind of control valve |
| CN104564463A (en) * | 2014-12-31 | 2015-04-29 | 无锡威孚马山油泵油嘴有限公司 | Common-rail oil injector assembly |
| CN107795421A (en) * | 2016-09-02 | 2018-03-13 | 罗伯特·博世有限公司 | fuel injector for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100443714C (en) | 2008-12-17 |
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