CN2298351Y - Pressure regulator for compressed gas vehicle engine - Google Patents
Pressure regulator for compressed gas vehicle engine Download PDFInfo
- Publication number
- CN2298351Y CN2298351Y CN 97208314 CN97208314U CN2298351Y CN 2298351 Y CN2298351 Y CN 2298351Y CN 97208314 CN97208314 CN 97208314 CN 97208314 U CN97208314 U CN 97208314U CN 2298351 Y CN2298351 Y CN 2298351Y
- Authority
- CN
- China
- Prior art keywords
- pressure
- level
- chamber
- press
- grades
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a pressure regulator for a compressed gas vehicle engine. In a housing, a first-level pressure chamber is provided with a pressure relief valve and the first-level pressure regulating device of an air flow damper, a secondary-level pressure chamber is provided with the secondary-level pressure regulating device of the air flow damper, and a third-level pressure chamber is provided with a third-level pressure regulating device; the periphery of the first-level pressure chamber and the secondary-level pressure chamber are provided with a heating chamber, an introduction valve is arranged between the secondary-level pressure and the third-level pressure chamber; the outer side of the housing is provided with an electromagnetic valve, an idle speed regulating device, a heat source inlet pipe, a heat source outlet pipe, a gas inlet pipe communicated with the first-level pressure chamber, and a vacuum pipe and a gas outlet pipe which are communicated with the third-level pressure chamber. The utility model can be used as a pressure regulator for other compressed natural gas engines.
Description
The utility model belongs to the device technique field of supply engine with on-liquid fuel, is specifically related to be used for the pressure governor of compressed natural gas gaseous fuel motor vehicles motor.
The patent No. is 92220309.1, denomination of invention is the Chinese utility model patent of " decompressor of automobile with compressed natural gas ", two portion mechanisms that separated with decompressor by pressure governor constitute with conduit UNICOM, be connected with heating chamber, be arranged near the compressed natural gas gas cylinder with the screw threads for fastening coupling on the pressure governor, heating chamber is not set on the decompressor, the water of radiation of motor is by the very long conduit and the heating chamber UNICOM of pressure governor, for pressure governor provides thermal source, structural design is very not compact, when temperature hanged down, decompressor was easy to freeze.Air flow damper all is not set in pressure governor and decompressor,, has shortened the life-span of pressure governor and decompressor interior diaphragm greatly, reduced its reliability owing to the impact of pressure.In addition, introduction valve is not set in the decompressor of this device, when motor when high load working condition needs denseer mixed gas, decompressor can not provide more rock gas again to the mixer of motor, directly have influence on the output power of motor.
The purpose of this utility model is to overcome the shortcoming of said apparatus, for the automobile with compressed natural gas motor provides a kind of reasonable in design, safe and reliable, the pressure governor that adapts to various operating modes.
For achieving the above object, the solution that the utility model adopts is: it comprises housing, be provided with loam cake in the housing upper-end surface, the lower end surface is provided with lower cover, being provided with gas chamber clapboard and heated barrier in housing presses chamber and secondary to press the chamber with being divided into the one-level that the periphery is provided with heating chamber in the housing, press the chamber for three grades, one-level presses the chamber to press UNICOM road and secondary to press the chamber to link by one-level, secondary presses the chamber to press UNICOM road and three grades of pressure chambers to link by secondary, outside housing, survey and be provided with the suction tude of pressing the chamber to link with one-level, with three grades of vacuum tube and steam outlet pipes of pressing the chamber to link, the thermal source inlet tube and the thermal source outer pipe that link with heating chamber, also be processed with and one-level pressure chamber last covering, the normal pressure through hole that secondary presses the chamber to link is processed with and normal pressure through holes that three grades are pressed the chamber to link covering down.It comprises that being arranged on one-level presses the indoor one-level pressure-regulating device that pressure-relief valve and air flow damper are housed, and carries out the decompression first time to compressed natural gas.It comprises that being arranged on secondary presses the indoor secondary pressure-regulating device that air flow damper is housed, to carrying out the decompression second time through the one-level pressure-regulating device post-decompression compressed natural gas first time.It comprises that being arranged on three grades presses three grades of indoor pressure-regulating devices, after post-decompression compressed natural gas reduces pressure for the third time for the second time through the secondary pressure-regulating device, for the mixer of automobile with compressed natural gas motor provides rock gas.It comprises being arranged on the gas chamber clapboard and links with the secondary pressure-regulating device and press chamber and three grades of introduction valves of pressing the chamber to link with secondary that this introduction valve provides the mixed gas of enriching for the automobile with compressed natural gas motor under high load working condition.It comprises that being arranged on hull outside and one-level presses chamber and three grades of solenoid valves of pressing the chamber to link, and this solenoid valve provides denseer mixed gas when the cold starting for the automobile with compressed natural gas motor.It also comprises the idling regulating mechanism that is arranged on hull outside, and this mechanism is used for the idle running of constant compression gas-fueled vehicles motor.
One-level pressure-regulating device of the present utility model is: be arranged on one-level and press indoor one-level to press valve rod top to establish periphery to be fixed in one-level pressuring film plate and pressure-relief valve on the housing, be provided with the one-level pressing spring between this one-level pressuring film plate and the loam cake, pressing the valve rod lower end to be hinged with in one-level can rotate and the one-level that connects with one-level pressure valve on being arranged on suction tude is pressed lever around fulcrum, and outer race is equipped with the outer end and is overlapped on air flow damper on the heated barrier in the middle part of one-level is pressed valve rod.Secondary pressure-regulating device of the present utility model is: be arranged on secondary and press indoor secondary to press the valve rod upper end to establish periphery to be fixed in secondary pressuring film plate on the housing, be provided with the secondary pressing spring between this secondary pressuring film plate and the loam cake, pressing the valve rod lower end to be hinged with at secondary can rotate and press lever with being arranged on the secondary that one-level presses the secondary pressure valve on the UNICOM road to connect around fulcrum, and outer race is equipped with the outer end and is overlapped on air flow damper on the heated barrier in the middle part of secondary is pressed valve rod.Three grades of pressure-regulating devices of the present utility model are: be arranged on three grades press be provided with above indoor three grades of ends of pressing levers periphery be fixed on vacuum diaphragm on the housing, below be provided with periphery and be fixed on three grades of pressuring film plates on the housing, be provided with the vacuum spring above the vacuum diaphragm, press the other end of levers to connect for three grades with three grades of pressure valves on being arranged on secondary pressure UNICOM road.The novel introduction valve of this reality is: the injection valve that the introduction valve spring is equipped with on top is arranged on the injection valve seat, the lower end be connected as a single entity with the injection valve seat and in restrictor is housed the introduction valve pipe box be contained in introduction valve outdoors, the air flow damper of introduction valve pipe upper end and secondary pressure-regulating device links and links with the top of air flow damper.
The pressure-relief valve of the utility model one-level pressure-regulating device is: the release valve block that is connected as a single entity with the one-level pressuring film plate is arranged on the release valve seat that is connected as a single entity with one-level pressure valve rod, is provided with the pressure-relief valve spring on the release valve block.The air flow damper that the utility model is arranged on one-level pressure-regulating device and the secondary pressure-regulating device is that outer end and heated barrier overlap, the longitudinal section is the damping plate of curved surface.
The utility model is compared with " decompressor of automobile with compressed natural gas ", have rational in infrastructure, arrange compactness, long service life, advantage such as safe and reliable, can satisfy the requirement of the various operating modes of automobile with compressed natural gas motor, the pressure governor that can be used as the automobile with compressed natural gas motor also can be used as the pressure governor of other compressed natural gas motor.
Fig. 1 is an embodiment's of the utility model a structural representation.
Below in conjunction with drawings and Examples the utility model is further described.
In Fig. 1, upper-end surface at housing 4 is connected with loam cake 5 with the screw threads for fastening coupling, the lower end surface is connected with lower cover 40 with the screw threads for fastening coupling, vertical and horizontal in housing 4, loam cake 5 gas chamber clapboard 16 vertically arranged, press the chamber with being divided into one-level in the housing, secondary is pressed the chamber, press the chamber for three grades, the heated barrier 6 that vertically having in housing 4 is connected as a single entity with housing 4, heated barrier 6 constitutes heating chamber with housing 4 inwalls, heating chamber is positioned at one-level and presses chamber and secondary to press the periphery of chamber, the thermal source of heating chamber of flowing through is the water of radiation or the waste gas of automobile with compressed natural gas motor, has the one-level of pressing chamber and secondary to press the chamber to link with one-level to press the UNICOM road on gas chamber clapboard 16, press chamber and three grades of secondarys of pressing the chamber to link to press the UNICOM road with secondary.Two normal pressure through holes of pressing chamber and secondary to press the chamber to link with one-level are arranged on loam cake 5, normal pressure through holes that link with three grades of pressure chambers are arranged on lower cover 40.
Press the indoor one-level pressure-regulating device that is equipped with in one-level, the one-level pressure-regulating device of present embodiment is pressed release valve block 15 that valve rod 12, one-level pressuring film plate 9, one-level pressure valve 7, one-level pressing spring 10, one-level press lever 8, be connected as a single entity with one-level pressuring film plate 9, is connected with release valve seat 14, pressure-relief valve spring 13, damping plate 11 that one-level pressure valve rod 12 is connected as a single entity and constitute by one-level, wherein release valve block 15, release valve seat 14 and pressure-relief valve spring 13 connect the pressure-relief valve that constitutes present embodiment, and damping plate 11 is an embodiment of the utility model air flow damper.Be placed with the release valve block 15 that is connected as a single entity with one-level pressuring film plate 9 on the top of release valve seat 14, between release valve block 15 and loam cake 5, one-level pressing spring 10 is installed, release valve block 15 and one-level are pressed between valve rod 12 tops pressure-relief valve spring 13 are housed, the periphery of one-level pressuring film plate 9 is installed between housing 4 and the loam cake 5, it is that bottom, normal pressure chamber is the hyperbaric chamber that one-level pressuring film plate 9 is divided into top with the one-level chamber of pressure, press valve rod 12 middle part outer race that damping fin 11 is housed in one-level, the longitudinal section of present embodiment damping fin 11 is a spill, the periphery of damping fin 11 is overlapped on one-level and presses on the indoor heating plate 6, when damping fin 11 is used to prevent just opened compressed natural gas gas cylinder switch, damage one-level pressuring film plate 9.The lower end of pressing valve rod 12 in one-level with pin with can press an end of lever 8 hinged around the one-level that fulcrum rotates, the other end that one-level is pressed lever 8 be arranged on housing 4 on the one-level pressure valve 7 of suction tude 2 connect.The one-level pressure-regulating device will enter one-level and press indoor high-pressure natural gas to carry out the decompression first time; when entering pressure that one-level presses indoor compressed natural gas greater than the elastic force of back lash spring valve 13; high-pressure natural gas stream can be with release valve block 15 jack-up upwards; high-pressure natural gas stream can be through the gap between release valve block 15 and the release valve seat 14; flow into the normal pressure chamber; normal pressure through hole from loam cake 5 flows into atmosphere, plays the safety protection effect.
Press the indoor secondary pressure-regulating device that is equipped with at secondary, the secondary pressure-regulating device of present embodiment presses valve rod 20, secondary pressuring film plate 21, secondary to press lever 18, secondary pressure valve 17, secondary pressing spring 22, damping plate 19 connections to constitute by secondary.Damping plate 19 is an embodiment of the utility model air flow damper, and the damping plate 11 of the form structure of damping plate 19 and function and one-level pressure-regulating device is identical.Secondary presses the top of valve rod 20 to be connected with secondary pressuring film plate 21, the periphery of secondary pressuring film plate 21 is fixedly mounted between housing 4 and the loam cake 5, it is that bottom, normal pressure chamber is the hyperbaric chamber that secondary pressuring film plate 21 is divided into top with the secondary chamber of pressure, between secondary pressuring film plate 21 and loam cake 5, secondary pressing spring 22 is installed, the lower end of secondary pressure valve rod 20 is with pin and can press an end of lever 18 hinged around the secondary that fulcrum rotates, and the other end of secondary pressure lever 18 connects with the secondary pressure valve 17 on being installed in the one-level pressure passageway.The secondary pressure-regulating device presses the indoor process post-decompression rock gas first time to carry out the decompression second time again to entering secondary.
Press the indoor three grades of pressure-regulating devices that are equipped with at three grades, three grades of pressure-regulating devices of present embodiment press levers 30, three grades of pressuring film plates 39, vacuum diaphragm 36, three grades of pressure valves 29, vacuum springs 37 to connect by three grades to constitute.Above three grades of pressure lever 30 1 ends vacuum diaphragm 36 is installed, three grades of pressuring film plates 39 are installed below, the periphery of vacuum diaphragm 36 is fixed on the housing 4 by vacuum diaphragm gland 38, vacuum diaphragm 36 is slit into three grades of tops of pressing chambers and is vacuum chamber on the vacuum diaphragm 36, it is down low pressure chamber, the periphery of three grades of pressuring film plates 39 is fixed between housing 4 and the lower cover 40, it is low pressure chamber that three grades of pressuring film plates 39 press the bottom, chamber to be slit on three grades of pressuring film plates 39 with three grades, it is down the normal pressure chamber, press the other end of lever 30 and three grades of pressure valves 29 that are installed on the secondary pressure passageway to link for three grades, the aperture size of three grades of pressure valves 29 is regulated by vacuum diaphragm 36 and three grades of pressuring film plates 39, and three grades of pressure-regulating devices press the indoor process post-decompression rock gas second time to reduce pressure for the third time to entering three grades.
Introduction valve is installed in secondary and presses on the gas chamber clapboard 16 between chamber and the three grades of pressure chambers, the introduction valve of present embodiment is made of injection valve seat 33, injection valve 34, introduction valve pipe 31, introduction valve spring 35, metering-orifice 32 connections, and metering-orifice 32 is an embodiment of restrictor.Injection valve seat 33 bottoms and secondary press chamber and three grades to press the gas chamber clapboard 16 between the chamber to be connected as a single entity and to link with three grades of pressure chambers, the lower end of top and introduction valve pipe 31 is connected as a single entity, injection valve 34 is housed on the injection valve seat 33, the top of injection valve 34 is equipped with introduction valve spring 35 and can be moved up and down in introduction valve pipe 31, the lower end of injection valve 34 is near three grades of pressure levers 30 of three grades of pressure-regulating devices, metering-orifice 32 is housed in introduction valve pipe 31, be used to limit the amount of natural gas of introduction valve pipe 31 of flowing through, the upper end of introduction valve pipe 31 is interspersed with the damping plate 19 of secondary pressure-regulating device, makes introduction valve pipe 31 and secondary press damping plate 19 tops, chamber to link.When the automobile with compressed natural gas motor when high load working condition is big with amount of natural gas, press lever 30 to move up for three grades, three grades of pressure valve 29 apertures increase, back down injection valve 34 simultaneously, make the pressure on the secondary pressure-regulating device damping plate 19 reduce, secondary pressuring film plate 21 moves down, secondary pressure valve 17 apertures increase, enter secondary and press chamber and three grades of amount of natural gas increases of pressing the chamber, simultaneously a part of rock gas directly enters three grades and presses chambers from secondary pressure-regulating device damping plate 19 introduction valve of flowing through, and the mixed gas of enriching is provided for the automobile with compressed natural gas motor.
Left upper portion is equipped with thermal source inlet tube 3 that links with heating chamber and the suction tude 2 of pressing the chamber to link with one-level outside housing 4, on housing 4 external right side tops the thermal source outer pipe 23 that links with heating chamber is housed, the radiator or the outlet pipe of thermal source inlet tube 3 and thermal source outer pipe 23 usefulness conduits and automobile with compressed natural gas motor link, and suction tude 2 usefulness conduits and compressed natural gas bottle link.Left side central portion is equipped with solenoid valve 1 outside housing 4, solenoid valve 1 presses chamber and three grades of pressure chambers to link with one-level, during cold starting, connect power supply, solenoid valve 1 work, part high-pressure natural gas presses the chamber solenoid valve 1 of flowing through directly to enter three grades and press chambers from one-level, for the automobile with compressed natural gas motor provides denseer mixed gas.Outside housing 4 bottom, left side be equipped with three grades of vacuum diaphragms 36 of pressing indoor three grades of pressure-regulating devices on the vacuum tube 41 that links of vacuum chamber, the intake manifold of vacuum tube 41 usefulness conduits and automobile with compressed natural gas motor links.Be equipped with and three grades of steam outlet pipe 28 and idling regulating mechanisms of pressing the chamber to link in housing 4 external right side bottoms, the mixer of steam outlet pipe 28 usefulness conduits and automobile with compressed natural gas motor links.The idling regulating mechanism of present embodiment is made of idle adjusting screw 27, fastening spring 26, idle spring 25, push rod 24.The outer race of idle adjusting screw 27 is equipped with fastening spring 26 and is installed on the housing 4, the head of idle adjusting screw 27 is equipped with idle spring 25, three grades of another (right side) ends of pressing lever 30 that an end of push rod 24 is sleeved in the idle spring 25, the other end withstands on three grades of pressure-regulating devices.The idling regulating mechanism is used to adjust automobile with compressed natural gas motor three grades of atmospheric pressures that go out of pressing the chamber when idle running, makes the idling operation energy steady running of this motor.
Also can go out the automobile with compressed natural gas motor pressure governor of another concrete structure according to above-mentioned principle design.
Claims (3)
1. automobile with compressed natural gas motor pressure governor is characterized in that it comprises:
Housing [4], housing [4] upper-end surface is provided with loam cake [5], the lower end surface is provided with lower cover [40], being provided with gas chamber clapboard [16] and heated barrier [6] in housing [4] presses chamber and secondary to press the chamber with being divided into the one-level that the periphery is provided with heating chamber in the housing [4], press the chamber for three grades, one-level presses the chamber to press UNICOM road and secondary to press the chamber to link by one-level, secondary presses the chamber to press UNICOM road and three grades of pressure chambers to link by secondary, be provided with the suction tude [2] of pressing the chamber to link in housing [4] outside with one-level, with three grades of vacuum tube [41] and steam outlet pipes [28] of pressing the chamber to link, the thermal source inlet tube [3] and the thermal source outer pipe [23] that link with heating chamber, on loam cake [5], also be processed with one-level and press the chamber, the normal pressure through hole that secondary presses the chamber to link is processed with on lower cover [40] and three grades of normal pressure through holes of pressing the chamber to link;
Be arranged on one-level and press the indoor one-level pressure-regulating device that pressure-relief valve and air flow damper are housed, compressed natural gas is carried out the decompression first time;
Be arranged on secondary and press the indoor secondary pressure-regulating device that air flow damper is housed, to carrying out the decompression second time through the one-level pressure-regulating device post-decompression compressed natural gas first time;
Be arranged on three grades and press three grades of indoor pressure-regulating devices, after post-decompression compressed natural gas reduces pressure for the third time for the second time through the secondary pressure-regulating device, for the mixer of automobile with compressed natural gas motor provides rock gas;
Be arranged on gas chamber clapboard [16] and go up with the secondary pressure-regulating device links and press chamber and three grades of introduction valves that the pressure chamber links with secondary, this introduction valve provides the mixed gas of enriching under high load working condition for the automobile with compressed natural gas motor;
Be arranged on housing [4] outside and press chamber and three grades of solenoid valves [1] of pressing the chamber to link with one-level, this solenoid valve [1] provides denseer mixed gas when the cold starting for the automobile with compressed natural gas motor;
It also comprises the idling regulating mechanism that is arranged on housing [4] outside, and this mechanism is used for the idle running of constant compression gas-fueled vehicles motor.
2. according to the described automobile with compressed natural gas motor of claim 1 pressure governor, it is characterized in that said one-level pressure-regulating device is: be arranged on one-level and press indoor one-level to press valve rod [12] top to establish periphery to be fixed in one-level pressuring film plate [9] on the housing [4], and pressure-relief valve, be provided with one-level pressing spring [10] between this one-level pressuring film plate [9] and the loam cake [5], pressing valve rod [12] lower end to be hinged with in one-level can rotate and the one-level that connects with one-level pressure valve [7] on being arranged on suction tude [2] is pressed lever [8] around fulcrum, and outer race is equipped with the outer end and is overlapped on air flow damper on the heated barrier [6] in the middle part of one-level is pressed valve rod [12]; Said secondary pressure-regulating device is: be arranged on secondary and press indoor secondary to press valve rod [20] upper end to establish periphery to be fixed in secondary pressuring film plate [21] on the housing [4], be provided with secondary pressing spring [22] between this secondary pressuring film plate [21] and the loam cake [5], pressing valve rod [20] lower end to be hinged with at secondary can rotate and press lever [18] with being arranged on the secondary that one-level presses the secondary pressure valve [17] on the UNICOM road to connect around fulcrum, and outer race is equipped with the outer end and is overlapped on air flow damper on the heated barrier [6] in the middle part of secondary is pressed valve rod [20]; Said three grades of pressure-regulating devices are: be arranged on three grades press be provided with above indoor three grades of ends of pressing levers [30] periphery be fixed on vacuum diaphragm [36] on the housing [4], below be provided with periphery and be fixed on three grades of pressuring film plates [39] on the housing [4], be provided with vacuum spring [37] above the vacuum diaphragm [36], press the other end of levers [30] to connect for three grades with three grades of pressure valves [29] on being arranged on secondary pressure UNICOM road; Said introduction valve is: the injection valve [34] that introduction valve spring [35] is equipped with on top is arranged on the injection valve seat [33], the lower end be connected as a single entity with injection valve seat [33] and in restrictor is housed introduction valve pipe [31] be sleeved on outside the injection valve [34], the air flow damper of introduction valve pipe [31] upper end and secondary pressure-regulating device links and links with the top of air flow damper.
3. according to claim 1 or 2 described automobile with compressed natural gas motor pressure governors, the pressure-relief valve that it is characterized in that said one-level pressure-regulating device is: the release valve block [15] that is connected as a single entity with one-level pressuring film plate [9] is arranged on the release valve seat [14] that is connected as a single entity with one-level pressure valve rod [12], is provided with pressure-relief valve spring [13] on release valve block [15]; The said air flow damper that is arranged on one-level pressure-regulating device and the secondary pressure-regulating device is that outer end and heated barrier [6] overlap, the longitudinal section is the damping plate [11,19] of curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97208314 CN2298351Y (en) | 1997-01-29 | 1997-01-29 | Pressure regulator for compressed gas vehicle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97208314 CN2298351Y (en) | 1997-01-29 | 1997-01-29 | Pressure regulator for compressed gas vehicle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2298351Y true CN2298351Y (en) | 1998-11-25 |
Family
ID=33927786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97208314 Expired - Fee Related CN2298351Y (en) | 1997-01-29 | 1997-01-29 | Pressure regulator for compressed gas vehicle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2298351Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295099C (en) * | 2004-06-15 | 2007-01-17 | 嘉兴市富鑫龙进出口有限公司 | Gas and electric mixed power system of light traffic tool |
-
1997
- 1997-01-29 CN CN 97208314 patent/CN2298351Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295099C (en) * | 2004-06-15 | 2007-01-17 | 嘉兴市富鑫龙进出口有限公司 | Gas and electric mixed power system of light traffic tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2285905A (en) | Apparatus for forming fuel charges for internal combustion engines | |
| AU568598B2 (en) | Apparatus and method, including control valve, for dual fuel operation of an internal combustion engine | |
| CN2298351Y (en) | Pressure regulator for compressed gas vehicle engine | |
| US6050246A (en) | Method and device for converting conventional gas engines to operate on compressed natural gas | |
| CN201144740Y (en) | Mixing valve of gas engine | |
| EP1421270B1 (en) | Turbocompound internal combustion engine arrangement | |
| US4084378A (en) | Waste gate control for supercharged engines | |
| US2279530A (en) | Means for preparing combustible fuel | |
| CN201225207Y (en) | CNG pressure reducing regulator for automobile | |
| CN201025163Y (en) | Fuel multi-functional pressure reducer | |
| US4210062A (en) | Air conversion for internal combustion engines | |
| CN208982283U (en) | Small-sized screw all-in-one machine integrating device | |
| CN2509332Y (en) | Improved gas pressure regulator for vehicle | |
| CN201297219Y (en) | Pressure reducing regulator | |
| CN110159420A (en) | Gas engine | |
| CN2667185Y (en) | Linear feedback evaporation pressure regulator for gas combustion engine | |
| CN106150689B (en) | A kind of 100% methanol engine based on diesel engine | |
| RU2022148C1 (en) | Gaseous fuel supply system for multicylinder internal combustion engine | |
| RU2118688C1 (en) | Supply system of gas internal combustion engine | |
| CN2433401Y (en) | Gasoline motor vehicle decompression air evaporation device | |
| JPS6016775Y2 (en) | mechanical fuel pump | |
| CN2227743Y (en) | Automotive liquified gas evaporating pressure regulator | |
| CN220769570U (en) | Filter seat assembly | |
| CN2215645Y (en) | Domestic sufety for synthetic liquefied petroleum gas | |
| CN2773329Y (en) | Multifunctional pressure-reducing adjuster for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |