CN201096025Y - Engine fuel automatic supplier - Google Patents
Engine fuel automatic supplier Download PDFInfo
- Publication number
- CN201096025Y CN201096025Y CNU2007200307852U CN200720030785U CN201096025Y CN 201096025 Y CN201096025 Y CN 201096025Y CN U2007200307852 U CNU2007200307852 U CN U2007200307852U CN 200720030785 U CN200720030785 U CN 200720030785U CN 201096025 Y CN201096025 Y CN 201096025Y
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- CN
- China
- Prior art keywords
- fuel
- valve
- outlet
- vacuum
- plunger
- 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
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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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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to an engine fuel automatic feeding device, which comprises a mixer and a fuel control valve. The mixer is composed of an air inlet, a mixing chamber and a mixed fuel outlet. The air inlet is provided with a chock valve at the upper part, and the mixed fuel outlet is provided with an air throttle. The engine fuel automatic feeding device is characterized in that the fuel control valve is a conversion valve which has different fuel input ports and a fuel output port; the fuel output port is communicated with a pressure control valve which is communicated with a fuel chamber of a fuel distribution valve, and the distribution valve is provided with a plunger cavity which is communicated with the fuel chamber. A fuel outlet which is arranged in the mixing chamber is arranged on the cavity wall, and a plunger is assembled in the cavity. The movement of the plunger controls the opening or the closing of the fuel outlet. Two vacuum holes are opened on the mixer body arranged at the external side of the air throttle, and the vacuum holes are respectively communicated with vacuum valves by a communicating pipe. An actuating end of one vacuum valve controls the opening or the closing of the chock valve, and an actuating end of the other vacuum valve controls the movement of the plunger. The engine fuel automatic feeding device can automatically regulate air-fuel ratio, the air inlet quantity of gas mixture and the supplying of different fuels.
Description
Technical field
The utility model relates to the supply of general combustion engine ignition mixture, especially a kind of motor is realized gasoline, liquefied petroleum gas, three kinds of different fuels of the rock gas automatic feeding device of engine fuel with same unit feeding.
Background technique
At present, known petrol engine can be divided into electrospray formula motor and carburetor engine, and its fuel supply system all is that gasoline is changed into the vaporific motor that resupplies from liquid state.Electrospray formula engine fuel supply system work efficiency height wherein, but manufacture cost height; Carburetor engine fuel supply system low cost of manufacture, but have the low deficiency of work efficiency.Above-mentioned two kinds of petrol engines when using rock gas, liquefied petroleum gas (LPG) instead, need the parts of fuel supply system are changed transformation under the situation that does not change former engine compression ratio, have the high deficiency of reforming cost.In addition, the inventor is in " with the gasoline engine fuel automatic supplier of liquefied petroleum gas (LPG) " of bulletin on November 11st, 1992, also be to use a kind of fuel, and do not reach the purpose of using same fuel supplying device that gasoline, liquefied petroleum gas, three kinds of different fuels of rock gas are provided as motor.At present, yet there are no and be the report that uses same fuel supplying device that gasoline, liquefied petroleum gas, three kinds of different fuels of rock gas are provided as motor.
Summary of the invention
Need to transform replacing to the parts of fuel supply system in order to overcome the available technology adopting different fuel, have the reforming cost height, and fuel supplying device can only use a kind of deficiency of fuel, the utility model provides a kind of automatic feeding device of engine fuel.This installs alternative existing gasoline engine fuel supplier, can not only realize motor being realized the supply of gasoline, liquefied petroleum gas, three kinds of different fuels of rock gas with same fuel supplying device, make motor its air fuel ratio under different operating modes remain on the optimum state, and make simply, cost is low.
The technological scheme that the utility model technical solution problem is adopted is: a kind of automatic feeding device of engine fuel, the body and the fuel control valve that comprise a mixer, the body two ends of mixer are respectively equipped with suction port and fuel combination outlet, between the body suction port of mixer and fuel combination outlet is a mixing chamber, and be provided with the connection hole at the fuel combination outlet end, chock plate is installed on suction port, in the fuel combination outlet, closure is installed, characteristics are that described fuel control valve is the control valve of a reversable, this reversable fuel control valve is respectively equipped with a plural fuel inlet opening and a fuel delivery outlet, this fuel delivery outlet is being communicated with a pressure regulator valve, this pressure regulator valve is adjusted flow fuel, described pressure regulator valve is connected with the fuel chambers of a fuel distributing valve, also be provided with a plunger cavity that is connected with fuel chambers on the described fuel distributing valve, on the wall of the chamber of this plunger cavity, have a fuel outlet, this fuel outlet is arranged in the mixing chamber of mixer, in described plunger cavity, be equipped with a plunger, plunger movement can realize the unlatching of fuel outlet or close, on the mixer body in the closure outside, have two vacuum holes, vacuum hole is connected with corresponding vacuum valve through connecting tube respectively, wherein the actuating station of a vacuum valve is through the unlatching of actuating mechanism controls chock plate or close, and the actuating station of another vacuum valve is through the actuating mechanism controls plunger movement.Fuel combination outlet of the present utility model is tightly connected through the sucking pipe of connection hole and cylinder, the degree of vacuum that produces during engine rotation, act on the vacuum valve through vacuum hole respectively, actuating station by vacuum valve is distinguished the air inflow of regulating air fuel ratio and mixed gas automatically through actuator, to satisfy the motor proper functioning.The utility model realizes that by reversable fuel control valve, pressure regulator valve same fuel supplying device provides the supply of gasoline, liquefied petroleum gas, rock gas for motor.
The beneficial effects of the utility model are, rational in infrastructure, make simple, cost is low, can realize the supply of gasoline, liquefied petroleum gas, three kinds of different fuels of rock gas to motor, and can guarantee motor reliably under different operating modes, its air fuel ratio remains on the optimum state, improve the work efficiency of motor, reached the purpose of energy-conserving and environment-protective.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a kind of structure master's sectional view of the present utility model.
Fig. 2 is the amplification view along A-A line among Fig. 1.
1. mixer bodies among the figure, 2. connection hole, 3. fuel combination outlet, 4. closure, 5. fuel control valve, 6. fuel inlet opening, 7. fuel delivery outlet, 8. pressure regulator valve, 9. mixing chamber, 10. chock plate, 11. suction port, 12. connecting rods, 13. springs, 14. vacuum valves, 15. connecting tube, 16. vacuum valves, 17. connecting tube, 18. connecting rods, 19. vacuum hole, 20. vacuum holes, 21. fuel outlets, 22. fuel distributing valves, 23. fuel chambers, 24. plunger cavities, 25. plungers, 26. springs.
Embodiment
As shown in Figure 1, a kind of automatic feeding device of engine fuel, the body (1) and the fuel control valve (5) that comprise a mixer, the body of mixer (1) two ends are respectively equipped with suction port (11) and fuel combination outlet (3), between the body suction port (11) of mixer and fuel combination outlet (3) is a mixing chamber (9), and be provided with connection hole (2) in fuel combination outlet (3) end, chock plate (10) is installed on suction port (11), closure (4) is installed in fuel combination outlet (3).During use, with the suction port (11) and the air-strainer assembling of mixer, the sucking pipe with cylinder is tightly connected through connection hole (2) in fuel combination outlet (3).
Among Fig. 1, fuel control valve (5) is the control valve of a reversable, and this reversable fuel control valve is respectively equipped with two fuel inlet openings (6) and a fuel delivery outlet (7), and fuel inlet opening (6) can be communicated with fuel liquid, gaseous state respectively.In the using process, realize the switching of different fuel by reversable fuel control valve (5).
Among Fig. 1, fuel delivery outlet (7) is being communicated with a pressure regulator valve (8).Because of the density of different fuel is different with supply pressure, with pressure regulator valve (8) flow fuel is adjusted, be embodied as two kinds of fuel that motor provides liquid state, gaseous state to satisfy same fuel supplying device, as: gasoline, liquefied petroleum gas, rock gas.
As shown in Figure 1 and Figure 2, pressure regulator valve (8) is connected with the fuel chambers (23) of a fuel distributing valve (22), on fuel distributing valve (22), also be provided with a plunger cavity (24) that is connected with fuel chambers (23), on the chamber wall of this plunger cavity (24), have a fuel outlet (21), this fuel outlet (21) is arranged in the mixing chamber (9), also be equipped with a plunger (25) in this plunger cavity (24), the moving of plunger (25) can be realized the unlatching of fuel outlet (21) or to close and the control of fuel feed.
In Fig. 1, on the mixer body (1) in closure (4) outside, have two vacuum holes (19), (20), vacuum hole (19), (20) are connected with vacuum valve (16), (14) respectively through connecting tube (17), (15) respectively, wherein the actuating station of vacuum valve (14) realizes the unlatching of chock plate (10) or closes and the control of air delivery volume through actuator, and this actuator is that a connecting rod (12) and spring (13) that connecting rod (12) is resetted are formed.
As shown in Figure 1 and Figure 2, the actuating station of vacuum valve (16) moving through actuating mechanism controls plunger (25).This actuator is a connecting rod (18) and the spring (26) that connecting rod (18) resets is formed.
Under motor state of rest situation, fuel enters fuel chambers (23) by reversable fuel control valve (5), pressure regulator valve (8), and this moment, fuel system was in full closeding state, and chock plate (10), closure (4) are in closed condition simultaneously.
When ato unit turns round, opening throttle (4), the degree of vacuum that produces during owing to engine rotation acts on vacuum valve (16), (14) through vacuum hole (19), (20), connecting tube (17), (15).Vacuum valve (14) acts on the chock plate (10) by connecting rod (12), opens chock plate (10), and air enters in the mixing chamber (9) through suction port (11), chock plate (10) gap; Meanwhile, vacuum valve (16) acts on the interior plunger (25) of fuel distributing valve plunger cavity by connecting rod (18), it is moved right, open fuel outlet (21), fuel enters the air mixing that enters with chock plate (10) gap in the mixing chamber (9), fuel and air mixing enter cylinder through joint air door (4) gap, fuel combination outlet (3) again, make normal working of engine.
Chock plate (10) is the proportions of ingredients that is used for adjusting air and fuel.Closure (4) is to be used for controlling the delivery volume that fuel and AIR MIXTURES enter motor, thus the control engine speed.
Kill engine, vacuum pressure disappears, and under the effect of spring (13), (26), chock plate (10) is closed, and the sliding spool (25) of fuel distributing valve (22) is moved to the left it, closes fuel outlet (21), and system recovery is to fuel stop supplies state.
The utility model is under the different operating modes of engine running, and the degree of vacuum that produces when utilizing engine running by the air inflow that vacuum valve is regulated air fuel ratio and mixed gas automatically according to the size of vacuum pressure, is normally moved to satisfy motor.
Claims (1)
1, a kind of automatic feeding device of engine fuel, the body and the fuel control valve that comprise a mixer, the body two ends of mixer are respectively equipped with suction port and fuel combination outlet, between the body suction port of mixer and fuel combination outlet is a mixing chamber, and be provided with the connection hole at the fuel combination outlet end, chock plate is installed on suction port, in the fuel combination outlet, closure is installed, it is characterized in that: described fuel control valve is the control valve of a reversable, this reversable fuel control valve is respectively equipped with two a fuel inlet opening and a fuel delivery outlet, this fuel delivery outlet is being communicated with a pressure regulator valve, this pressure regulator valve is adjusted flow fuel, described pressure regulator valve is connected with the fuel chambers of a fuel distributing valve, also be provided with a plunger cavity that is connected with fuel chambers on the described fuel distributing valve, on the wall of the chamber of this plunger cavity, have a fuel outlet, this fuel outlet is arranged in the mixing chamber of mixer, in described plunger cavity, be equipped with a plunger, plunger movement can realize the unlatching of fuel outlet or close, on the mixer body in the closure outside, have two vacuum holes, vacuum hole is connected with corresponding vacuum valve through connecting tube respectively, wherein the actuating station of a vacuum valve is through the unlatching of actuating mechanism controls chock plate or close, and the actuating station of another vacuum valve is through the actuating mechanism controls plunger movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200307852U CN201096025Y (en) | 2007-11-15 | 2007-11-15 | Engine fuel automatic supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200307852U CN201096025Y (en) | 2007-11-15 | 2007-11-15 | Engine fuel automatic supplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096025Y true CN201096025Y (en) | 2008-08-06 |
Family
ID=39923078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200307852U Expired - Fee Related CN201096025Y (en) | 2007-11-15 | 2007-11-15 | Engine fuel automatic supplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096025Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321306A (en) * | 2015-06-18 | 2017-01-11 | 绍兴文理学院 | Electronic control injection device of mine car engine |
| CN107725218A (en) * | 2017-11-08 | 2018-02-23 | 绿田机械股份有限公司 | The self closing door carburetor of petrol engine |
-
2007
- 2007-11-15 CN CNU2007200307852U patent/CN201096025Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321306A (en) * | 2015-06-18 | 2017-01-11 | 绍兴文理学院 | Electronic control injection device of mine car engine |
| CN107725218A (en) * | 2017-11-08 | 2018-02-23 | 绿田机械股份有限公司 | The self closing door carburetor of petrol engine |
| CN107725218B (en) * | 2017-11-08 | 2023-12-26 | 绿田机械股份有限公司 | Automatic air door carburetor of gasoline engine |
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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: 20080806 Termination date: 20121115 |