CN2700587Y - Gas pressure reducer with electrically controlled regulating valve - Google Patents
Gas pressure reducer with electrically controlled regulating valve Download PDFInfo
- Publication number
- CN2700587Y CN2700587Y CN 200420034412 CN200420034412U CN2700587Y CN 2700587 Y CN2700587 Y CN 2700587Y CN 200420034412 CN200420034412 CN 200420034412 CN 200420034412 U CN200420034412 U CN 200420034412U CN 2700587 Y CN2700587 Y CN 2700587Y
- Authority
- CN
- China
- Prior art keywords
- chamber
- grade
- back pressure
- valve
- 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
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a gas pressure reducer with an electrically controlled regulating valve, principally composed of the decompression chamber 1 of A grade, the back pressure chamber 2 of A grade, the decompression chamber 3 of B grade, the back pressure chamber 4 of B grade, the decompression chamber 5 of C grade and the back pressure chamber 6 of C grade. Diaphragms are used for dividing the decompression chambers and back pressure chambers of all grades. All the decompression chambers and the back pressure chambers are coaxially arranged. The valve core 8 of A grade is provided between the decompression chamber 1 of A grade and a high-voltage air inlet. Valve bases are both arranged between the decompression chamber 1 of A grade and the decompression chamber 3 of B grade as well as the decompression chamber 3 of B grade and the decompression chamber 5 of C grade. The utility model is characterized in that a servo adjusting motorized valve is arranged at one side of the valve base 17 of B grade or (and) the air inlet of the valve base of C grade. According to the operating conditions of gas car engines, the utility model can adjust and control the sizes of the flow rate of the output gas of the three-grade pressure reducer, and therefore, the gas pressure reducer with an electrical controlled regulating valve raises the discharge index of the engine and enables the discharge of the engine to obtain the No. 2 standard of Europe.
Description
One, technical field:
The utility model relates to a kind of decompressor, and especially a kind of gas combustion automobile is with the gas pressure reducer of charged control regulation valve.
Two, background technique:
Decompressor is the critical component between air cylinder and the motor in the gas-fueled vehicles, it is reduced to the high-pressure natural gas in the gas cylinder and enters motor again after normal pressure enters mixer and air mixing, generally to pass through secondary or three grades of decompressions, at present more advanced is the integrated three-stage decompressor, i.e. three grades of underpressure chamber, all coaxial setting of back pressure chamber, be provided with valve seat between one-level underpressure chamber and high pressure admission mouth and the underpressure chamber at different levels, this decompressor has been realized to more stable ground of mixer air feed.But, the flow size of decompressor output combustion gas regulates control at random because remaining with the engine air throttle aperture, in fact, many factors such as the atmospheric pressure the when temperature of combustion gas and calorific value, engine operation, ambient temperature all can influence the combustion position of motor, be difficult to make motor all to be in the combustion regime an of the best at any time, therefore make the exhaust index of motor be difficult to increase (can only reach European 1# emission standard at present at most).
Three, summary of the invention:
The purpose of this utility model provides a kind ofly can be regulated and control the flow size of decompressor output combustion gas according to the working condition of gas combustion automobile motor in good time, thereby improves the gas pressure reducer of the charged control regulation valve of engine emission index.
The technical solution of the utility model is: it comprises two-stage decompression chamber and back pressure chamber at least, separate by diaphragm between underpressure chamber at different levels and the back pressure chamber, be provided with valve seat between the underpressure chamber at different levels, it is characterized in that: suction port one side at least one valve seat is provided with servo adjusting mortor operated valve.
By valve seat suction port one side between underpressure chamber and underpressure chamber servo adjusting mortor operated valve is set in the utility model, servo adjusting mortor operated valve is controlled by ECU (electronic management system), ECU (electronic management system) filters air the air temperature information of asking in the clear device by sensor, engine speed information, throttle opening information, inlet manifold degree of vacuum information, oxygen content information in the engine exhaust gas, collections such as fuel gas temperature on the combustion gas output pipeline and gaseous-pressure information back is handled by program, to control its spool according to processing result more flexible in good time, the auxiliary combustion gas output flow of regulating decompressor automatically, make motor be in desirable combustion regime all the time, thereby improve its exhaust index.
The beneficial effects of the utility model are: can regulate and control the flow size of decompressor output combustion gas according to the working condition of gas combustion automobile motor in good time, thereby improve the engine emission index, can make the discharging of motor reach European 2# standard.
Four, description of drawings:
Fig. 1 is the utility model embodiment's a plan view;
Fig. 2 is the N-N sectional drawing of Fig. 1;
Fig. 3 is the P-P sectional drawing of Fig. 1.
Five, embodiment:
Please see Figure 1, Fig. 2 and Fig. 3: the utility model is by one-level underpressure chamber 1, one-level back pressure chamber 2, second depressurized chamber 3, secondary back pressure chamber 4, three grades of underpressure chamber 5, three grades of back pressure chambers 6, high pressure admission mouth 7, one-level spool 8, servo adjusting mortor operated valve 9, housing 10, one-level loam cake 11, secondary inner cap 12, three grades of flaps 13, first diaphragm 14, secondary diaphragm 15, three grades of diaphragms 16, secondary valve seat 17 and three grades of valve seats 18 constitute, separate by first diaphragm 14 between one-level underpressure chamber 1 and the one-level back pressure chamber 2, separate by secondary diaphragm 15 between second depressurized chamber 3 and the secondary back pressure chamber 4, separate by three grades of diaphragms 16 between three grades of underpressure chamber 5 and three grades of back pressure chambers 6, all underpressure chamber and all coaxial setting of back pressure chamber, between one-level underpressure chamber 1 and the high pressure admission mouth 7 one-level spool 8 is arranged, between one-level underpressure chamber 1 and second depressurized chamber 3, be provided with secondary valve seat 17, be provided with three grades of valve seats 18 between second depressurized chamber 3 and three grades of underpressure chamber 5, its structure characteristic is: secondary valve seat 17 or (with) three grades of valve seat 18 suction ports one sides are provided with servo adjusting mortor operated valve 9.
In the present embodiment for servo adjusting mortor operated valve 9 to be set in three grades of valve seats, 18 suction ports, one side.
Above-mentioned servo adjusting mortor operated valve 9 can be the stepper motor servovalve, also can be duty solenoids.
Working principle: during use, servo adjusting mortor operated valve 9 is linked to each other with ECU (electronic management system), and ECU (electronic management system) asks the air temperature sensor in the clear device, the speed probe on the motor, the valve opening sensor on the closure, oxygen content sensor and fuel gas temperature on the combustion gas output pipeline and the gaseous-pressure sensor etc. on the outlet pipe to link to each other with the air filter.When starting working, from the high pressure natural gas of gas cylinder input after high pressure admission mouth 7 enters one-level underpressure chamber 1, obtained regulating well control by the gas flow of coming out from three grades of valve seats 18 after the mutual balanced action of valve adjustments and underpressure chamber at different levels and back pressure chamber, promptly satisfied to motor basically and stablized air feed.Simultaneously, ECU (electronic management system) filters air the air temperature information of asking in the clear device by sensor, engine speed information, throttle opening information, inlet manifold degree of vacuum information, oxygen content information in the engine exhaust gas, collections such as fuel gas temperature on the combustion gas output pipeline and gaseous-pressure information back is handled by program, flexible according to the spool of the servo adjusting mortor operated valve 9 of the in good time control of processing result again, the auxiliary combustion gas output flow of regulating decompressor automatically, make motor be in desirable combustion regime all the time, thereby improve its exhaust index, experiment showed, that the discharging that can make motor reaches European 2# standard.
Claims (4)
1. the gas pressure reducer of a charged control regulation valve, comprise two-stage decompression chamber and back pressure chamber at least, separate by diaphragm between underpressure chamber at different levels and the back pressure chamber, be provided with valve seat between the underpressure chamber at different levels, it is characterized in that: suction port one side at least one valve seat is provided with servo adjusting mortor operated valve (9).
2. the gas pressure reducer of charged control regulation valve according to claim 1, it is characterized in that: described underpressure chamber and back pressure chamber are by one-level underpressure chamber (1), one-level back pressure chamber (2), second depressurized chamber (3), secondary back pressure chamber (4), three grades of underpressure chamber (5) and three grades of back pressure chambers (6) are formed, all underpressure chamber and all coaxial setting of back pressure chamber, between one-level underpressure chamber (1) and the high pressure admission mouth (7) one-level spool (8) is arranged, between one-level underpressure chamber (1) and second depressurized chamber (3), secondary valve seat (17) is arranged, between second depressurized chamber (3) and three grades of underpressure chamber (5), three grades of valve seats (18) are arranged, it is characterized in that: secondary valve seat (17) or (with) three grades of valve seat (18) suction port one sides are provided with servo adjusting mortor operated valve (9).
3. the gas pressure reducer of charged control regulation valve according to claim 1 and 2, it is characterized in that: described servo adjusting mortor operated valve (9) is the stepper motor servovalve.
4. the gas pressure reducer of charged control regulation valve according to claim 1 and 2 is characterized in that: described servo adjusting mortor operated valve (9) is duty solenoids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034412 CN2700587Y (en) | 2004-04-16 | 2004-04-16 | Gas pressure reducer with electrically controlled regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034412 CN2700587Y (en) | 2004-04-16 | 2004-04-16 | Gas pressure reducer with electrically controlled regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700587Y true CN2700587Y (en) | 2005-05-18 |
Family
ID=34773002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420034412 Expired - Fee Related CN2700587Y (en) | 2004-04-16 | 2004-04-16 | Gas pressure reducer with electrically controlled regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700587Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370464A (en) * | 2014-08-20 | 2016-03-02 | 上海瑾冠电气科技有限公司 | Supersonic-speed fuel injection control valve |
-
2004
- 2004-04-16 CN CN 200420034412 patent/CN2700587Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370464A (en) * | 2014-08-20 | 2016-03-02 | 上海瑾冠电气科技有限公司 | Supersonic-speed fuel injection control valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8359858B2 (en) | Twin turbocharged engine with reduced compressor imbalance and surge | |
| CN203271924U (en) | Engine | |
| CN103104334B (en) | Compressor flowrate controls | |
| US4180035A (en) | Internal combustion engine with an exhaust gas recirculation system | |
| CN102159815B (en) | Fresh gas supply device for internal combustion engine having exhaust gas turbocharger, and method for control same | |
| US7650866B2 (en) | Light load air delivery system for an internal combustion engine | |
| CN2700587Y (en) | Gas pressure reducer with electrically controlled regulating valve | |
| US4057043A (en) | Exhaust gas recirculation system | |
| EP0137274A1 (en) | Double carburetor | |
| CN201025163Y (en) | Fuel multi-functional pressure reducer | |
| CN101275505A (en) | Gas system of backing stage pressure reducers | |
| CN101275512A (en) | Backing stage pressure reducers | |
| CN2653256Y (en) | Integrated three stage gas pressure reducer | |
| CN2881262Y (en) | Water and gas linked valve with fuel gas pressure stabilizing valve | |
| EP0389010B1 (en) | Feed device for an internal combustion engine | |
| JPH0777109A (en) | Mixture feeder of gas fuel engine | |
| RU2022148C1 (en) | Gaseous fuel supply system for multicylinder internal combustion engine | |
| CN2727425Y (en) | Liquefied petroleum gas mixer for compact engine | |
| CN2392922Y (en) | Gas-pressure conversion apparatus for automobile | |
| CA1052647A (en) | System for control of exhaust gas recirculation | |
| MXPA04007890A (en) | Throttle and fuel injector assembly. | |
| JP2003056353A (en) | Supercharge pressure control device for internal combustion engine | |
| CN2504394Y (en) | Double-pass mixer valve core for boosting cycle | |
| CN2735021Y (en) | Compressed natural gas electric control flow regulation decompressor | |
| CN200971814Y (en) | Gas feed pressure conversion device for middle, small IC engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050518 Termination date: 20130416 |