CN101907044A - High-speed fuel gas injection electromagnetic valve for vehicles - Google Patents
High-speed fuel gas injection electromagnetic valve for vehicles Download PDFInfo
- Publication number
- CN101907044A CN101907044A CN2010101952314A CN201010195231A CN101907044A CN 101907044 A CN101907044 A CN 101907044A CN 2010101952314 A CN2010101952314 A CN 2010101952314A CN 201010195231 A CN201010195231 A CN 201010195231A CN 101907044 A CN101907044 A CN 101907044A
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- Prior art keywords
- fixed core
- iron core
- core
- moving iron
- valve seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a high-speed fuel gas injection electromagnetic valve for vehicles. In the invention, a part of the electromagnetic valve is sleeved in a fixed core of a magnetism conducting end cover, and one end of the outer end of the fixed core is fixedly provided with a shell of a connecting terminal, while the other end is provided with a valve seat; one end of the fixed core is connected with a gas inlet, while the other end is connected with a movable core; the interior of the fixed core is hollow, and two sides of the inner wall of the fixed core are adhered with copper pipes; an electromagnetic coil wrapped by a coil shell is wound on a coil framework fixed on the fixed core; a spring is arranged between an inner hole of the fixed core and a concave port of the movable core, and a sealing piece is fixed at the other end of the movable core; and the outer end of the movable core is provided with a valve seat, and the tail end of the valve seat is provided with a nozzle. The invention optimizes magnetic circuits, reduces the temperature raise, improves the response speed, prolongs the service life of the valve body and is easy to mass production.
Description
Technical field
The present invention relates to a kind of LPG of use or CNG electromagnetic valve device, particularly a kind of high-speed fuel gas injection electromagnetic valve for vehicles as the high velocity jet of fuel.
Background technique
At present, the high-speed fuel gas injection electromagnetic valve for vehicles structure mainly is made up of fixed core, moving iron core, electromagnetic coil, nozzle, shell and valve seat, quick pick-up by drive circuit control electromagnetic mechanism, the quick disjunction of backspring masterpiece of retracting spring, realize high speed operation, thus the high velocity jet of control gaseous fuel.
As patent 200910112335.1, described solenoid valve has a fixed core, and the outer end of fixed core is fixed with shell, and the other end of shell is an end cap; The centre of fixed core is wound with electromagnetic coil; One end of fixed core is connected with liquid passage inlet joint secure fit, and the other end is with sleeve pipe and cooperates with moving iron core, and the other end of moving iron core is to be fixed on the butterfly spring, and the other end of butterfly spring is fixed with diaphragm seal; The outer end of moving iron core is a concentrating flux plate, and concentrating flux plate cooperates with end cap and be compacted, and butterfly spring is to be fixed between concentrating flux plate and the end cap; The other end at diaphragm seal is connected with solid gas circuit outlet connection secure fit on end cap.This patent is by alleviate the quality of moving iron core as far as possible, thereby guarantee its working life, but the internal structure of moving iron core is not designed in this patent, the quality of moving iron core is optimized design to other members relatively greatly and not, so can't strict guarantee increase working life.
Patent 200820129652.5, described solenoid valve comprises valve component, mangetic core assembly and valve seat, and wherein valve component comprises coil housing, coil, spring, armature pipe, magnetic isolating pad and valve body, and valve body is provided with gas channel and connection interface; Mangetic core assembly comprises spool, valve rod and moving iron core; Spool is arranged in the valve body and with valve seat and realizes closing and opening of gas channel; Be provided with the Returnning spring that spool and valve seat are remained closed in the spool, the armature pipe setting in coil, moving iron core is arranged in the armature pipe, is provided with between armature pipe and the moving iron core to fit to spring on the valve rod with moving iron core, and spool is arranged on the below of valve seat; Valve rod is the elongate rod structure of passing valve body and valve seat center, and its end that passes valve body contacts with moving iron core, and its end that passes valve seat contacts with spool.The purpose of this patent is in order to improve the speed of response of solenoid valve, but complex structure and also the inside of each member is not optimized design.
All there is certain deficiency at present most solenoid valve aspect speed of response, control precision and life-span.
Summary of the invention
The shortcoming that the objective of the invention is to overcome prior art is with not enough, provides a kind of simple in structure and reduce the high-speed fuel gas injection electromagnetic valve for vehicles of temperature rise.
Purpose of the present invention is achieved through the following technical solutions: a kind of high-speed fuel gas injection electromagnetic valve for vehicles, comprise fixed core, moving iron core, electromagnetic coil, nozzle, shell and valve seat, fixed core, moving iron core and nozzle are installed in shell and the valve seat successively along gas flow; The outer middle part of fixed core is provided with the shaft shoulder and is set with the magnetic conduction end cap, and the coil rack of described electromagnetic coil is arranged between the downside end face and valve base cavity of magnetic conduction end cap, and is socketed in the fixed core section of giving vent to anger outer circumferential face; The air inlet section of the outer periphery of magnetic conduction end cap, electromagnetic coil, moving iron core, nozzle is socketed in the valve seat successively, the upper end of the air inlet section of fixed core, the upside end face of magnetic conduction end cap, valve seat successively socket in the enclosure, shell is injection-moulded in the upper end of valve seat; Fixed core, moving iron core and nozzle interior perforate, and the axial of moving iron core outlet side be cecum, the outlet side circumferentially have a gas port; Fixed core is given vent to anger and is provided with spring in the perforate of Duan Yudong iron core air inlet section, and moving iron core air inlet port is provided with shockproof pad, and the cecum exterior edge face of moving iron core is provided with gasket seal.
Fixed core is a permeability magnetic material, and the air inlet section import of fixed core is provided with seal ring, is provided with seal ring between fixed core and the magnetic conduction end cap, the inwall socket copper pipe of the perforate of fixed core, and the fixing described spring in copper pipe bottom, the air inlet section import of fixed core is provided with the gas filtration net.
Sub-thread silk-covered wire or multiply silk-covered wire are adopted in the coiling of electromagnetic coil, and the lighting outlet of coiling welds together with the plug wire terminal respectively.
Coil rack is by heat resistant plastice processing or mould-forming, and the centre is the cylinder endoporus, with the fixed core Spielpassung, between coil rack lower end and the valve seat seal ring is housed.
Valve seat inside is provided with the axis hole section in three different apertures, and the upper shaft hole section is installed electromagnetic coil, and the central axis hole section is installed moving iron core, and moving iron core slides up and down in valve seat lower shaft hole section, and the lower shaft hole section is installed nozzle air inlet section.
Moving core interior perforate is a shoulder hole, and the perforate of air inlet section is greater than the section of giving vent to anger, and the axis hole section of air inlet has 1-5 degree lead angle, and the cecum interior edge face of the section of giving vent to anger is lower than two penetration hole present positions.
Gasket seal is the bowl-type rubber pad sheet, and its edge is higher than intermediate portion, and external diameter is less than the external diameter of the cecum exterior edge face of moving iron core.
Shockproof pad is an annular shim, and its external diameter is less than the end face external diameter of the air inlet section of moving iron core, and its internal diameter is greater than the end face aperture of the air inlet section of moving iron core.
Between the end face of the suction port of nozzle and the valve seat pad is set, between side and the valve seat seal ring is set; The section of giving vent to anger is long and narrow pipeline, the pipe end evagination, and the inside of nozzle is divided into the axis hole section in three different apertures, and there is lead angle in epimere and hypomere aperture greater than the aperture, stage casing between the hole, and hypomere is longer than epimere and stage casing.
Working principle of the present invention is: the fuel gas flow process of high-speed fuel gas injection electromagnetic valve for vehicles is, combustion gas enters into the inner hollow hole of fixed core from liquid passage inlet, in the copper pipe that is squeezed in fixed core, through the spring chamber between fixed core and the moving iron core, arrive the shoulder hole of moving iron core, from two penetration holes, come out again perpendicular to the medial axis of moving iron core, through the annular housing that forms by valve seat and moving mandrel lower, when valve opens, come out in slit between further driven mandrel lower gasket seal of gas and the nozzle surface, arrive the center hole of nozzle, eject from nozzle end at last.
When electromagnetic coil is switched on through drive circuit control, moving iron core is by adhesive, toward the motion of length of spring compressed direction, arrive the top, shockproof pad contacts with fixed core, realize attracting process, when electromagnetic coil cuts off the power supply through drive circuit control, by the spring force reaction, moving iron core moves downward gets back to the bottom, gasket seal contacts with the nozzle upper surface, realizes that valve closes closed procedure.
The present invention has following advantage and effect with respect to prior art:
1, the present invention optimizes the magnetic structure design of each member of product, reduces the leakage field of inoperative magnetic gap in the magnetic circuit, to obtain more stable magnetic work point, makes that the product speed of response is fast, action consistency stable.
2, the present invention has reduced copper loss thereby electromagnetic coil adopts multiply silk-covered wire or enameled cable to carry out coiling under the situation that higher temperature rise requires, and has reduced the number of turn and the driving current of coil.
3, the present invention is by carrying out special process of surface treatment to the accurate appropriate design of movement clearance of product moving element with to moving surface, with the movement clearance of acquisition optimization and less kinematic friction coefficient, thereby reduce the wearing and tearing of motion component and prolong life of product.
4, the present invention also can reduce leakage field and reduce temperature at the permeability magnetic material of choosing high-quality aspect the material of fixed core, increases the operating life of solenoid valve.
4, the structural design of strength member of the present invention is all with simple circular hole or cylindrical shape, and assembly structure is all with mutual order suit assembling, and used machinery is simple thereby the component of product are given birth to manufacture process, and the assembly process of product is simple and convenient.
Description of drawings
Fig. 1 is the structural drawing of high-speed fuel gas injection electromagnetic valve for vehicles of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.But embodiments of the present invention are not limited thereto.
Embodiment
As shown in the figure, 1 is fixed core, and 2 is shell, and 3 is copper pipe, 4. be the magnetic conduction end cap, 5 is valve seat, and 6 is pad, and 7 is nozzle, 8 is seal ring, and 9 are moving iron core, and 10 is shockproof pad, and 11 is spring, 12 is gasket seal, and 13 is electromagnetic coil, and 14 is coil rack, 15 is coil case, and 16 is seal ring, and 17 is seal ring, 18 is the plug wire terminal, and 19 are the gas filtration net, and 20 is seal ring.
A kind of high-speed fuel gas injection electromagnetic valve for vehicles comprises fixed core 1, moving iron core 9, electromagnetic coil 13, nozzle 7, shell 2 and valve seat 5, and fixed core 1, moving iron core 9 are installed in shell 2 and the valve seat 5 along gas flow successively with nozzle 7; Fixed core 1 outer middle part is provided with the shaft shoulder and is set with magnetic conduction end cap 4, and the coil rack 14 of electromagnetic coil 13 is arranged between the downside end face and valve seat 5 inner chambers of magnetic conduction end cap 4, and is socketed in fixed core 1 section of giving vent to anger outer circumferential face; The air inlet section of the outer periphery of magnetic conduction end cap 4, electromagnetic coil 13, moving iron core 9, nozzle 7 is socketed in the valve seat 5 successively, the upper end of the air inlet section of fixed core 1, the upside end face of magnetic conduction end cap 4, valve seat 5 is socketed in the shell 2 successively, and shell 2 is injection-moulded in the upper end of valve seat 5; Fixed core 1, moving iron core 9 and nozzle 7 internal openings, and moving iron core 9 outlet sides are cecum, the outlet side circumferentially have a gas port; Fixed core 1 is given vent to anger and is provided with spring 11 in the perforate of Duan Yudong iron core 9 air inlet sections, and moving iron core 9 air inlet ports are provided with shockproof pad 10, and the cecum end face of moving iron core 9 is provided with gasket seal 12.
Fixed core 1 is a permeability magnetic material, the air inlet section import of fixed core 1 is provided with seal ring 20, is provided with seal ring 17 between fixed core 1 and the magnetic conduction end cap 14, the inwall socket copper pipe 3 of the perforate of fixed core 1, described spring 11 is fixed in copper pipe 3 bottoms, and the air inlet section import of fixed core 1 is provided with gas filtration net 19.
Sub-thread silk-covered wire or multiply silk-covered wire are adopted in the coiling of electromagnetic coil 13, and the lighting outlet of coiling welds together with two plug wire terminals 18 respectively.Coil rack 14 is by heat resistant plastice processing or mould-forming, and the centre is the cylinder endoporus, with fixed core 1 Spielpassung, is provided with seal ring 16 between coil rack 14 lower ends and the valve seat 5.
Valve seat 5 inside are provided with the axis hole section in three different apertures, and the upper shaft hole section is installed electromagnetic coil 13, and the central axis hole section is installed moving iron core 9, and moving iron core 9 slides up and down in valve seat lower shaft hole section, and the lower shaft hole section is installed nozzle 7 air inlet sections.
Moving iron core 9 internal openings are shoulder hole, and the perforate of air inlet section is greater than the section of giving vent to anger, and the axis hole section of air inlet has 1-5 degree lead angle, and the cecum interior edge face of the section of giving vent to anger is lower than two penetration hole present positions.
Gasket seal 12 is the bowl-type rubber pad sheet, and its edge is higher than intermediate portion, and external diameter is less than the external diameter of the cecum exterior edge face of moving iron core.Shockproof pad 10 is an annular shim, and its external diameter is less than the end face external diameter of the air inlet section of moving iron core 9, and its internal diameter is greater than the end face aperture of the air inlet section of moving iron core 9.
Pad 6 is set between the end face of the suction port of nozzle 7 and the valve seat, seal ring 8 is set between side and the valve seat; The section of giving vent to anger is long and narrow pipeline, the pipe end evagination, and the inside of nozzle 7 is divided into the axis hole section in three different apertures, and there is lead angle in epimere and hypomere aperture greater than the aperture, stage casing between the hole, and hypomere is longer than epimere and stage casing.
Working principle of the present invention is: the fuel gas flow process of high-speed fuel gas injection electromagnetic valve for vehicles is, combustion gas enters into the inner hollow hole of fixed core 1 from liquid passage inlet, in the copper pipe 3 that is squeezed in fixed core 1, through the spring chamber between fixed core 1 and the moving iron core 9, arrive the shoulder hole of moving iron core 9, from two penetration holes, come out again perpendicular to the medial axis of moving iron core 9, through the annular housing that forms by valve seat 5 and moving iron core 9 bottoms, when valve opens, come out in slit between further driven iron core 9 lower seal pads 12 of gas and nozzle 7 surfaces, arrive the center hole of nozzle 7, eject from nozzle 7 ends at last.
When electromagnetic coil 13 is switched on through drive circuit control, moving iron core 9 is by adhesive, toward the motion of spring 11 compression directions, arrive the top, shockproof pad 10 contacts with fixed core, realize attracting process, when electromagnetic coil 13 cuts off the power supply through drive circuit control, by the spring force reaction, moving iron core 9 moves downward gets back to the bottom, gasket seal 12 contacts with nozzle 7 upper surfaces, realizes that valve closes closed procedure.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a high-speed fuel gas injection electromagnetic valve for vehicles comprises fixed core, moving iron core, electromagnetic coil, nozzle, shell and valve seat, it is characterized in that: described fixed core, moving iron core and nozzle are installed in shell and the valve seat successively along gas flow; The outer middle part of fixed core is provided with the shaft shoulder and is set with the magnetic conduction end cap, and the coil rack of described electromagnetic coil is arranged between the downside end face and valve base cavity of magnetic conduction end cap, and is socketed in the fixed core section of giving vent to anger outer circumferential face; The air inlet section of the outer periphery of magnetic conduction end cap, electromagnetic coil, moving iron core, nozzle is socketed in the valve seat successively, and socket is in the enclosure successively in the upper end of the air inlet section of fixed core, the upside end face of magnetic conduction end cap, valve seat; Fixed core, moving iron core and nozzle interior perforate, and the axial of moving iron core outlet side be cecum, the outlet side circumferentially have a gas port; Fixed core is given vent to anger and is provided with spring in the perforate of Duan Yudong iron core air inlet section, and moving iron core air inlet port is provided with shockproof pad, and the cecum exterior edge face of moving iron core is provided with gasket seal.
2. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1, it is characterized in that: described fixed core is a permeability magnetic material, the air inlet section import of fixed core is provided with seal ring, be provided with seal ring between fixed core and the magnetic conduction end cap, the inwall socket copper pipe of the perforate of fixed core, the fixing described spring in copper pipe bottom, the air inlet section import of fixed core is provided with the gas filtration net.
3. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1 is characterized in that: sub-thread silk-covered wire or multiply silk-covered wire are adopted in the coiling of described electromagnetic coil, and the lighting outlet of coiling welds together with two plug wire terminals respectively.
4. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1, it is characterized in that: described coil rack is by heat resistant plastice processing or mould-forming, the centre is the cylinder endoporus, with the fixed core Spielpassung, between coil rack lower end and the valve seat seal ring is housed.
5. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1, it is characterized in that: described valve seat inside is provided with the axis hole section in three different apertures, the upper shaft hole section is installed electromagnetic coil, the central axis hole section is installed moving iron core, moving iron core slides up and down in valve seat lower shaft hole section, and the lower shaft hole section is installed nozzle air inlet section.
6. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1, it is characterized in that: described moving core interior perforate is a shoulder hole, the perforate of air inlet section is greater than the section of giving vent to anger, and the axis hole section of air inlet has 1-5 degree lead angle, and the cecum interior edge face of the section of giving vent to anger is lower than two penetration hole present positions.
7. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1 is characterized in that: described gasket seal is the bowl-type rubber pad sheet, and its edge is higher than intermediate portion, and external diameter is less than the external diameter of the cecum exterior edge face of moving iron core.
8. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1 is characterized in that: described shockproof pad is an annular shim, and its external diameter is less than the end face external diameter of the air inlet section of moving iron core, and its internal diameter is greater than the end face aperture of the air inlet section of moving iron core.
9. high-speed fuel gas injection electromagnetic valve for vehicles according to claim 1 is characterized in that: between the end face of the suction port of described nozzle and the valve seat pad is set, between side and the valve seat seal ring is set; The section of giving vent to anger is long and narrow pipeline, the pipe end evagination, and the inside of nozzle is divided into the axis hole section in three different apertures, and there is lead angle in epimere and hypomere aperture greater than the aperture, stage casing between the hole, and hypomere is longer than epimere and stage casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101952314A CN101907044A (en) | 2010-06-04 | 2010-06-04 | High-speed fuel gas injection electromagnetic valve for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101952314A CN101907044A (en) | 2010-06-04 | 2010-06-04 | High-speed fuel gas injection electromagnetic valve for vehicles |
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| CN101907044A true CN101907044A (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010101952314A Pending CN101907044A (en) | 2010-06-04 | 2010-06-04 | High-speed fuel gas injection electromagnetic valve for vehicles |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141171A (en) * | 2011-02-24 | 2011-08-03 | 芜湖伯特利电子控制系统有限公司 | Assembling method of electromagnetic valve assembly |
| CN103671952A (en) * | 2014-01-08 | 2014-03-26 | 浙江弘驰科技股份有限公司 | Light-weight miniaturized ultrahigh-speed switching electromagnetic valve |
| CN103982692A (en) * | 2014-04-25 | 2014-08-13 | 杨筑婷 | Automatic drainage device for pneumatic control instrument |
| CN104033645A (en) * | 2014-06-17 | 2014-09-10 | 贵州新安航空机械有限责任公司 | Normally-powered-on solenoid valve for crankshaft ventilation system |
| CN105179783A (en) * | 2015-10-30 | 2015-12-23 | 刘海山 | Linear electromagnetic valve |
| CN105604740A (en) * | 2016-01-29 | 2016-05-25 | 成都杜嘉机电有限公司 | CNG (Compressed Natural Gas) injection system for automobile |
| CN105605287A (en) * | 2016-03-30 | 2016-05-25 | 温州市惠博科技有限公司 | Solenoid valve |
| CN105626314A (en) * | 2016-01-29 | 2016-06-01 | 成都杜嘉机电有限公司 | Anti-freezing CNG air feeder |
| CN107709749A (en) * | 2015-06-25 | 2018-02-16 | 日立汽车系统株式会社 | Flow control valve and high-pressure fuel feed pump |
| CN113027638A (en) * | 2021-04-08 | 2021-06-25 | 吉林大学 | Direct injection injector of gas fuel engine |
| CN114562392A (en) * | 2022-03-27 | 2022-05-31 | 南岳电控（衡阳）工业技术股份有限公司 | Direct injection valve structure in gas cylinder |
| CN115095703A (en) * | 2022-08-03 | 2022-09-23 | 一汽解放汽车有限公司 | Hydrogen spraying valve, hydrogen spraying valve control method and vehicle |
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| CN1908413A (en) * | 2005-08-04 | 2007-02-07 | 株式会社京浜 | Gaseous fuel injection valve |
| EP1980740A1 (en) * | 2006-02-02 | 2008-10-15 | Keihin Corporation | Engine gas fuel supply apparatus |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
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2010
- 2010-06-04 CN CN2010101952314A patent/CN101907044A/en active Pending
Patent Citations (4)
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| CN1908413A (en) * | 2005-08-04 | 2007-02-07 | 株式会社京浜 | Gaseous fuel injection valve |
| JP2007040245A (en) * | 2005-08-04 | 2007-02-15 | Keihin Corp | Injection valve for gaseous fuel |
| EP1980740A1 (en) * | 2006-02-02 | 2008-10-15 | Keihin Corporation | Engine gas fuel supply apparatus |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141171A (en) * | 2011-02-24 | 2011-08-03 | 芜湖伯特利电子控制系统有限公司 | Assembling method of electromagnetic valve assembly |
| CN103671952A (en) * | 2014-01-08 | 2014-03-26 | 浙江弘驰科技股份有限公司 | Light-weight miniaturized ultrahigh-speed switching electromagnetic valve |
| CN103671952B (en) * | 2014-01-08 | 2016-04-06 | 浙江弘驰科技股份有限公司 | A kind of lightweight miniaturization ultra high speed switch electromagnetic valve |
| CN103982692A (en) * | 2014-04-25 | 2014-08-13 | 杨筑婷 | Automatic drainage device for pneumatic control instrument |
| CN104033645A (en) * | 2014-06-17 | 2014-09-10 | 贵州新安航空机械有限责任公司 | Normally-powered-on solenoid valve for crankshaft ventilation system |
| CN107709749B (en) * | 2015-06-25 | 2020-03-27 | 日立汽车系统株式会社 | Flow control valve and high-pressure fuel supply pump |
| CN107709749A (en) * | 2015-06-25 | 2018-02-16 | 日立汽车系统株式会社 | Flow control valve and high-pressure fuel feed pump |
| CN105179783A (en) * | 2015-10-30 | 2015-12-23 | 刘海山 | Linear electromagnetic valve |
| CN105626314A (en) * | 2016-01-29 | 2016-06-01 | 成都杜嘉机电有限公司 | Anti-freezing CNG air feeder |
| CN105604740A (en) * | 2016-01-29 | 2016-05-25 | 成都杜嘉机电有限公司 | CNG (Compressed Natural Gas) injection system for automobile |
| CN105605287A (en) * | 2016-03-30 | 2016-05-25 | 温州市惠博科技有限公司 | Solenoid valve |
| CN113027638A (en) * | 2021-04-08 | 2021-06-25 | 吉林大学 | Direct injection injector of gas fuel engine |
| CN114562392A (en) * | 2022-03-27 | 2022-05-31 | 南岳电控（衡阳）工业技术股份有限公司 | Direct injection valve structure in gas cylinder |
| CN114562392B (en) * | 2022-03-27 | 2022-09-27 | 南岳电控（衡阳）工业技术股份有限公司 | Direct injection valve structure in gas cylinder |
| CN115095703A (en) * | 2022-08-03 | 2022-09-23 | 一汽解放汽车有限公司 | Hydrogen spraying valve, hydrogen spraying valve control method and vehicle |
| CN115095703B (en) * | 2022-08-03 | 2024-11-05 | 一汽解放汽车有限公司 | Hydrogen spraying valve, hydrogen spraying valve control method and vehicle |
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Application publication date: 20101208 |