CN112360649A - Gas fuel drainage injection machine of large-flow and dual-fuel engine - Google Patents
Gas fuel drainage injection machine of large-flow and dual-fuel engine Download PDFInfo
- Publication number
- CN112360649A CN112360649A CN202011274412.6A CN202011274412A CN112360649A CN 112360649 A CN112360649 A CN 112360649A CN 202011274412 A CN202011274412 A CN 202011274412A CN 112360649 A CN112360649 A CN 112360649A
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- ring
- inlet pipe
- air inlet
- sealing
- outlet pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0251—Details of actuators therefor
- F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
- F02M21/026—Lift valves, i.e. stem operated valves
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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
Abstract
The invention provides a gas fuel drainage injection machine of a large-flow dual-fuel engine. A shell, an air outlet pipe, an air inlet pipe, a lantern ring, a first sealing gasket, a third sealing ring, a through hole, a sealing energy release mechanism and a driving mechanism, an air outlet pipe and an air inlet pipe are connected in the shell, the air inlet pipe and the air outlet pipe are coaxially arranged, one end of the air inlet pipe is connected with a lantern ring, the lantern ring is fixedly connected with a first sealing gasket and a third sealing ring, through holes are respectively arranged on the lantern ring and the air inlet pipe, one end of the air outlet pipe close to the air inlet pipe is connected with a sealing energy release mechanism movably connected with the first sealing gasket, a driving mechanism for driving the air inlet pipe to move is arranged between the shell and the air inlet pipe, the driving mechanism is connected with the air inlet pipe in a sliding mode, and the gas fuel drainage injection machine for the large-flow and dual-fuel engine can drain energy through the sealing energy-draining mechanism when the valve is closed, so that impact energy is effectively reduced, and the service life of the mechanism is prolonged.
Description
Technical Field
The invention relates to the field of injection machines, in particular to a gas fuel drainage injection machine for a large-flow dual-fuel engine.
Background
In recent years, the continuous and rapid development of the economy of China brings prosperity to the ship industry, and the hold capacity and the total load tonnage of ships are all increased explosively. At present, the power of ships is mostly diesel engines, and the overall technical level of the ship engines is not high, so that the influence and damage of ship emission on the environment are more and more serious. Natural gas is an alternative energy source with abundant resources and clean combustion, and the development of natural gas engine technology is considered as an effective technical measure for relieving the current energy and environmental pressure, so that a gas fuel power ship (diesel/natural gas or single gas fuel) gains attention from all circles of society. Generally, the power of a ship engine is high, the discharge capacity is large, and if a natural gas injection valve of a vehicle engine is adopted, the flow requirement of a gas/dual-fuel engine for a ship cannot be met, so that some natural gas with large flow rate is designed and put into the ship market, and in order to optimize the performance of the gas/dual-fuel engine, the natural gas injection and air intake mixing process needs to be optimized.
The prior art discloses a related natural gas injection valve, which mainly drives a rubber pad to seal through a coil to cut off flow during operation, but in the mode, the coil generates certain thrust and needs to cut off flow rapidly, so that the rubber pad moves at a high speed, and large kinetic energy on the rubber pad directly acts on the rubber pad at the moment of sealing (namely contact impact), so that the service life of the natural gas injection valve is short, and therefore, a novel gas fuel drainage injector for a large-flow dual-fuel engine is needed to be provided to solve the technical problem.
Disclosure of Invention
In order to solve the technical problem, the invention provides the gas fuel drainage injector of the large-flow dual-fuel engine, which can effectively prolong the service life.
The invention provides a gas fuel flow-guiding injection machine of a large-flow dual-fuel engine, which comprises: the shell, the outlet duct, the intake pipe, the lantern ring, first sealed pad, third sealing ring, through-hole, sealed energy release mechanism and actuating mechanism.
The utility model discloses a sealed energy release mechanism of sealed pad swing joint, including shell, intake pipe, inlet pipe, lantern ring, the lantern ring is connected with outlet duct and intake pipe in the shell, intake pipe and the coaxial setting of outlet duct, the one end of intake pipe is connected with the lantern ring, the first sealed pad of fixedly connected with and third sealing ring on the lantern ring, the through-hole has all been seted up in lantern ring and the intake pipe, the one end that the outlet duct is close to the intake pipe is connected with the sealed energy release mechanism who fills up swing joint with.
The sealing energy-releasing mechanism comprises a fixed plate, a first sealing ring, a rotating ring, a first fixed sleeve, a second fixed sleeve, a third fixed sleeve, a second sealing ring, an energy-dissipating ring, a limiting rod, a guide groove, a guide rod, a moving ring, a first spring, an elastic part and a buffer mechanism, wherein the fixed plate is fixedly connected to the outer side of the air outlet pipe, one end of the air outlet pipe is also connected with the first sealing ring in a sliding manner, the outer side of the first sealing ring is rotatably connected with the rotating ring, one side of the rotating ring is fixedly connected with the first fixed sleeve, one side of the first fixed sleeve, which is far away from the first sealing ring, is fixedly connected with the second fixed sleeve, one side of the second fixed sleeve, which is far away from the first fixed sleeve, is fixedly connected with the third fixed sleeve, the outer side of the first fixed sleeve is fixedly connected with the second, the outside of outlet duct is provided with the gag lever post, the fixed cover inboard of second set up with gag lever post sliding connection's guide way, the outside of outlet duct is connected with the multiunit guide arm, sliding connection has the shift ring with guide arm sliding connection on the outlet duct, be connected with first spring of giving out hair between shift ring and the fixed cover of third, be connected with the elastic component between one side of the fixed cover of third and the fixed plate, still be provided with the buffer gear of the guide arm buffering of being convenient for between the fixed cover of second and the outlet duct.
Actuating mechanism is including fixed frame, coil and iron core, fixed frame fixed connection is inboard in the shell, just fixed frame in-connection has the coil, fixed frame and intake pipe sliding connection, it has the iron core to go back fixed connection in the intake pipe.
Buffer gear includes spacing ring, reset ring and second clockwork spring, the outside of outlet duct is two sets of spacing rings of fixedly connected with still, and is two sets of sliding connection has the reset ring between the spacing ring, fixedly connected with second clockwork spring between reset ring and the outlet duct.
The tip of gag lever post is circular, and is provided with two sets ofly.
The energy dissipation ring is connected with the second fixing sleeve in a unidirectional rotating mode.
One side of the first sealing ring, which is close to the air inlet pipe, is connected with a second sealing gasket.
Compared with the related technology, the gas fuel drainage injector of the large-flow and dual-fuel engine provided by the invention has the following beneficial effects:
the invention provides a gas fuel drainage injection machine of a large-flow dual-fuel engine, when the natural gas needs to be cut off, a coil is electrified to drive an air inlet pipe to move, a first sealing gasket moves towards an air outlet pipe after moving and impacts a second sealing gasket, because of the existence of an elastic part, a sealing energy-releasing mechanism integrally moves towards one side of a fixed plate, a second fixed sleeve starts to rotate under the action of a guide rod and a guide groove so as to drive an energy-dissipating ring to rotate, the sealing energy-releasing mechanism does not move after integrally moving for a certain distance, but the energy-dissipating ring is not limited and can rotate freely, so that the kinetic energy of impact is reduced, the service life of the device is prolonged, after the sealing energy-releasing mechanism moves stably, a first spring enables a third fixed sleeve to reset, and because the first fixed sleeve and the second fixed sleeve are fixedly connected, the first fixed sleeve and the second fixed sleeve reset similarly, the energy, the second clockwork spring enables the guide rod to rotate within a certain range and can also reset, prevents to cause damage to the guide rod when rotating by force, and can convert the impact energy into rotational kinetic energy so as to dissipate energy and prolong the service life of the device.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a high flow, dual fuel engine gaseous fuel pilot injector provided by the present invention;
FIG. 2 is a schematic structural view of the sealing and energy-releasing mechanism shown in FIG. 1;
FIG. 3 is an enlarged view of the structure of the area A shown in FIG. 2;
FIG. 4 is a schematic exploded view of the seal relief mechanism of FIG. 1;
FIG. 5 is an enlarged view of the structure of the area B shown in FIG. 4;
fig. 6 is a schematic structural view of the buffer mechanism shown in fig. 1.
Reference numbers in the figures: 1. a housing; 2. an air outlet pipe; 3. an air inlet pipe; 4. a collar; 5. a first gasket; 6. a third seal ring; 7. a through hole; 8. a sealing energy release mechanism; 9. a drive mechanism; 81. a fixing plate; 82. a first seal ring; 83. a rotating ring; 84. a first fixing sleeve; 85. a second fixing sleeve; 86. a third fixing sleeve; 87. a second seal ring; 88. an energy dissipation ring; 89. a limiting rod; 810. a guide groove; 811. a guide bar; 812. a moving ring; 813. a first spring; 814. an elastic member; 815. a buffer mechanism; 91. a fixing frame; 92. a coil; 93. an iron core; 8151. a limiting ring; 8152. a reset ring; 8153. a second power spring; 10. a second gasket.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a schematic structural diagram of a gaseous fuel pilot injector of a high flow, dual-fuel engine according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the sealing and energy-releasing mechanism shown in FIG. 1; FIG. 3 is an enlarged view of the structure of the area A shown in FIG. 2; FIG. 4 is a schematic exploded view of the seal relief mechanism of FIG. 1; FIG. 5 is an enlarged view of the structure of the area B shown in FIG. 4; fig. 6 is a schematic structural view of the buffer mechanism shown in fig. 1. The method comprises the following steps: the device comprises a shell 1, an air outlet pipe 2, an air inlet pipe 3, a lantern ring 4, a first sealing gasket 5, a third sealing ring 6, a through hole 7, a sealing energy release mechanism 8 and a driving mechanism 9.
In the specific implementation process, as shown in fig. 1, an air outlet pipe 2 and an air inlet pipe 3 are connected in a shell 1, the air inlet pipe 3 and the air outlet pipe 2 are coaxially arranged, one end of the air inlet pipe 3 is connected with a lantern ring 4, the lantern ring 4 is fixedly connected with a first sealing gasket 5 and a third sealing ring 6, the lantern ring 4 and the air inlet pipe 3 are both provided with through holes 7, the through holes 7 are used for introducing natural gas, one end of the air outlet pipe 2 close to the air inlet pipe 3 is connected with a sealing energy release mechanism 8 movably connected with the first sealing gasket 5, the sealing energy release mechanism 8 buffers and releases energy when the natural gas valve is closed, the service life of the natural gas valve is prolonged, a driving mechanism 9 for driving the air inlet pipe 3 to move is arranged between the shell 1 and the air inlet pipe 3, and actuating mechanism 9 and intake pipe 3 sliding connection, actuating mechanism 9 is used for driving intake pipe 3 to control the natural gas break-make.
Referring to fig. 2, 3 and 4, the sealing and energy releasing mechanism 8 includes a fixing plate 81, a first sealing ring 82, a rotating ring 83, a first fixing sleeve 84, a second fixing sleeve 85, a third fixing sleeve 86, a second sealing ring 87, an energy dissipating ring 88, a limiting rod 89, a guide groove 810, a guide rod 811, a moving ring 812, a first spring 813, an elastic member 814 and a buffer mechanism 815, the fixing plate 81 is fixedly connected to the outer side of the outlet pipe 2, one end of the outlet pipe 2 is further connected to the first sealing ring 82 in a sliding manner, the outer side of the first sealing ring 82 is connected to the rotating ring 83 in a rotating manner, one side of the rotating ring 83 is fixedly connected to the first fixing sleeve 84, one side of the first fixing sleeve 84 far from the first sealing ring 82 is fixedly connected to the second fixing sleeve 85, one side of the second fixing sleeve 85 far from the first fixing sleeve 84 is fixedly connected to the third, the outer side of the first fixing sleeve 84 is fixedly connected with a second sealing ring 87 which is connected with the inner wall of the shell 1 in a sliding and sealing way, the outer side of the second fixing sleeve 85 is rotatably connected with an energy dissipation ring 88, the outer side of the air outlet pipe 2 is provided with a limiting rod 89, the inner side of the second fixing sleeve 85 is provided with a guide groove 810 which is connected with the limit rod 89 in a sliding way, a plurality of groups of guide rods 811 are connected with the outer side of the air outlet pipe 2, a moving ring 812 which is connected with the guide rods 811 in a sliding way is connected on the air outlet pipe 2, a first spring 813 is connected between the moving ring 812 and the third fixing sleeve 86, an elastic part 814 is connected between one side of the third fixing sleeve 86 and the fixing plate 81, a buffer mechanism 815 convenient for buffering the guide rod 811 is further arranged between the second fixing sleeve 85 and the air outlet pipe 2, and the buffer mechanism 815 can prevent the second fixing sleeve 85 from directly impacting the guide rod 811, so that the service life of the guide rod 811 is prolonged.
Referring to fig. 1, actuating mechanism 9 is including fixed frame 91, coil 92 and iron core 93, fixed frame 91 fixed connection is inboard in shell 1, just fixed frame 91 in-connection has coil 92, fixed frame 91 and intake pipe 3 sliding connection, still fixed connection has iron core 93 in the intake pipe 3, and iron core 93 improves the effort that coil 92 produced, better removes.
Referring to fig. 4 and 5, the buffering mechanism 815 includes a limiting ring 8151, a reset ring 8152 and a second spring 8153, the outer side of the outlet pipe 2 is further fixedly connected with two sets of limiting rings 8151, the reset ring 8152 is slidably connected between the two sets of limiting rings 8151, the second spring 8153 is fixedly connected between the reset ring 8152 and the outlet pipe 2, and the second spring 8153 facilitates the reset of the guide rod 811.
The end of the limiting rod 89 is circular and is provided with two groups.
The energy dissipation ring 88 is connected with the second fixing sleeve 85 in a one-way rotating manner, the one-way rotating manner is that the one-way rotating manner is connected by adopting a ratchet mechanism, the energy dissipation ring 88 can be immediately driven when the second fixing sleeve 85 rotates, and the energy dissipation ring 88 can rotate to dissipate energy when the second fixing sleeve 85 does not rotate.
One side of the first sealing ring 82 close to the air inlet pipe 3 is connected with a second sealing gasket 10.
The guiding grooves 810 are spirally disposed in two sets, and the two sets are symmetrically disposed with the axis of the second fixing sleeve 85 as the center.
The guide grooves 810 are spirally provided with three groups, and the three groups are uniformly distributed by taking the axis of the second fixing sleeve 85 as the center, and the interval between two adjacent guide grooves 810 is 120 degrees.
The working principle provided by the invention is as follows: when the natural gas needs to be cut off, the coil 92 is electrified to drive the air inlet pipe 3 to move, the first sealing gasket 5 moves towards the air outlet pipe 2 after moving and impacts against the second sealing gasket 10, the sealing energy-releasing mechanism 8 integrally moves towards one side of the fixed plate 81 due to the existence of the elastic piece 814, the second fixing sleeve 85 starts to rotate under the action of the guide rod 811 and the guide groove 810 to drive the energy-dissipating ring 88 to rotate, the sealing energy-releasing mechanism 8 integrally does not move after a certain distance, but the energy-dissipating ring 88 is not limited and can rotate freely, so that the kinetic energy of impact is reduced, the service life of the device is prolonged, after the sealing energy-releasing mechanism 8 moves stably, the third fixing sleeve 86 is reset by the first clockwork spring 813, and because the first fixing sleeve 84 and the second fixing sleeve 85 are fixedly connected, the same reset is convenient for energy releasing in the next switching, the guide rod 811 can rotate within a certain range and can also reset by the second clockwork spring 81, prevent to cause the damage to guide arm 811 when the strong rotation, through converting the striking energy into rotational kinetic energy to carry out the energy dissipation, improve the life of device.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A gas fuel flow-guiding injection machine for a large-flow and dual-fuel engine is characterized by comprising:
the sealing device comprises a shell (1), wherein an air outlet pipe (2) and an air inlet pipe (3) are connected in the shell (1), the air inlet pipe (3) and the air outlet pipe (2) are coaxially arranged, one end of the air inlet pipe (3) is connected with a lantern ring (4), a first sealing gasket (5) and a third sealing ring (6) are fixedly connected to the lantern ring (4), and through holes (7) are formed in the lantern ring (4) and the air inlet pipe (3);
one end of the air outlet pipe (2) close to the air inlet pipe (3) is connected with a sealing energy release mechanism (8) movably connected with the first sealing gasket (5);
the air inlet pipe (3) is arranged between the shell (1) and the air inlet pipe (3), the driving mechanism (9) for driving the air inlet pipe (3) to move is arranged between the shell (1) and the air inlet pipe (3), and the driving mechanism (9) is connected with the air inlet pipe (3) in a sliding mode.
2. The gas fuel drainage injection machine for the large-flow dual-fuel engine according to claim 1, wherein the sealing energy-releasing mechanism (8) comprises a fixed plate (81), a first sealing ring (82), a rotating ring (83), a first fixed sleeve (84), a second fixed sleeve (85), a third fixed sleeve (86), a second sealing ring (87), an energy-dissipating ring (88), a limiting rod (89), a guide groove (810), a guide rod (811), a moving ring (812), a first spring (813), an elastic piece (814) and a buffer mechanism (815), the fixed plate (81) is fixedly connected to the outer side of the gas outlet pipe (2), one end of the gas outlet pipe (2) is further connected with the first sealing ring (82) in a sliding manner, the outer side of the first sealing ring (82) is rotatably connected with the rotating ring (83), and one side of the rotating ring (83) is fixedly connected with the first fixed sleeve (84), a second fixing sleeve (85) is fixedly connected to one side, far away from the first sealing ring (82), of the first fixing sleeve (84), a third fixing sleeve (86) is fixedly connected to one side, far away from the first fixing sleeve (84), of the second fixing sleeve (85), a second sealing ring (87) in sliding and sealing connection with the inner wall of the shell (1) is fixedly connected to the outer side of the first fixing sleeve (84), an energy dissipation ring (88) is rotatably connected to the outer side of the second fixing sleeve (85), a limiting rod (89) is arranged on the outer side of the air outlet pipe (2), a guide groove (810) in sliding connection with the limiting rod (89) is formed in the inner side of the second fixing sleeve (85), a plurality of groups of guide rods (811) are connected to the outer side of the air outlet pipe (2), a moving ring (812) in sliding connection with the guide rods (811) is slidably connected to the air outlet pipe (2), and a first spring (813) is connected between, an elastic part (814) is connected between one side of the third fixing sleeve (86) and the fixing plate (81), and a buffer mechanism (815) convenient for buffering the guide rod (811) is further arranged between the second fixing sleeve (85) and the air outlet pipe (2).
3. The high-flow dual-fuel engine gas fuel pilot injection machine according to claim 1, wherein the driving mechanism (9) comprises a fixing frame (91), a coil (92) and an iron core (93), the fixing frame (91) is fixedly connected to the inner side of the housing (1), the coil (92) is connected to the fixing frame (91), the fixing frame (91) is connected with the gas inlet pipe (3) in a sliding manner, and the iron core (93) is fixedly connected to the gas inlet pipe (3).
4. The gas fuel flow-guiding injection machine for the large-flow dual-fuel engine according to claim 2, wherein the buffer mechanism (815) comprises a limiting ring (8151), a reset ring (8152) and a second clockwork spring (8153), two sets of limiting rings (8151) are fixedly connected to the outer side of the gas outlet pipe (2), the reset ring (8152) is slidably connected between the two sets of limiting rings (8151), and the second clockwork spring (8153) is fixedly connected between the reset ring (8152) and the gas outlet pipe (2).
5. The high flow, dual fuel engine gaseous fuel pilot injector of claim 2, characterized in that the ends of the stop rods (89) are circular and are provided in two groups.
6. The high flow, dual fuel engine gaseous fuel pilot injector of claim 2, characterized in that the energy dissipating ring (88) is in unidirectional rotational connection with the second fixture sleeve (85).
7. The high flow, dual fuel engine gaseous fuel pilot injector according to claim 6, characterized in that a second gasket (10) is connected to the side of the first sealing ring (82) close to the intake pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274412.6A CN112360649B (en) | 2020-11-15 | 2020-11-15 | Gas fuel drainage injection machine of large-flow and dual-fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274412.6A CN112360649B (en) | 2020-11-15 | 2020-11-15 | Gas fuel drainage injection machine of large-flow and dual-fuel engine |
Publications (2)
| Publication Number | Publication Date |
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| CN112360649A true CN112360649A (en) | 2021-02-12 |
| CN112360649B CN112360649B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011274412.6A Active CN112360649B (en) | 2020-11-15 | 2020-11-15 | Gas fuel drainage injection machine of large-flow and dual-fuel engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212427Y (en) * | 2008-06-04 | 2009-03-25 | 万家宝企业股份有限公司 | High frequency snifting valve |
| CN103306857A (en) * | 2012-03-13 | 2013-09-18 | 上海依相燃气设备有限公司 | CNG/LPG (compressed natural gas/liquefied petroleum gas) fuel gas spray nozzle |
| JP2015175261A (en) * | 2014-03-14 | 2015-10-05 | 株式会社デンソー | Fuel injection device |
| DE102014016976A1 (en) * | 2014-11-18 | 2016-05-19 | Daimler Ag | Check valve for high pressure gas applications |
| US20160273504A1 (en) * | 2015-03-20 | 2016-09-22 | Continental Automotive Systems, Inc. | Gas direct injector with reduced leakage |
| CN108915902A (en) * | 2018-06-13 | 2018-11-30 | 江苏理工学院 | A kind of big flow gaseous fuel electric controlled injection valve |
-
2020
- 2020-11-15 CN CN202011274412.6A patent/CN112360649B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212427Y (en) * | 2008-06-04 | 2009-03-25 | 万家宝企业股份有限公司 | High frequency snifting valve |
| CN103306857A (en) * | 2012-03-13 | 2013-09-18 | 上海依相燃气设备有限公司 | CNG/LPG (compressed natural gas/liquefied petroleum gas) fuel gas spray nozzle |
| JP2015175261A (en) * | 2014-03-14 | 2015-10-05 | 株式会社デンソー | Fuel injection device |
| DE102014016976A1 (en) * | 2014-11-18 | 2016-05-19 | Daimler Ag | Check valve for high pressure gas applications |
| US20160273504A1 (en) * | 2015-03-20 | 2016-09-22 | Continental Automotive Systems, Inc. | Gas direct injector with reduced leakage |
| CN108915902A (en) * | 2018-06-13 | 2018-11-30 | 江苏理工学院 | A kind of big flow gaseous fuel electric controlled injection valve |
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| Publication number | Publication date |
|---|---|
| CN112360649B (en) | 2021-12-14 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211117 Address after: 274000 in Bohai Road intelligent manufacturing machinery and equipment Industrial Park, Heze Economic Development Zone, Shandong Province Applicant after: Shandong Kangwo Holding Co.,Ltd. Address before: 415900 gezhao electromechanical Co., Ltd., middle section of Jinniu Road, Taizimiao Town, Hanshou County, Changde City, Hunan Province Applicant before: Zhou Yunfu |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A High Flow, Dual Fuel Engine Gas Fuel Flow Injection Machine Effective date of registration: 20230912 Granted publication date: 20211214 Pledgee: Heze Mudan District Branch of China Postal Savings Bank Co.,Ltd. Pledgor: Shandong Kangwo Holding Co.,Ltd. Registration number: Y2023980056527 |
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