CN101435370A - Automatic feeding device of engine fuel - Google Patents
Automatic feeding device of engine fuel Download PDFInfo
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- CN101435370A CN101435370A CN 200710114384 CN200710114384A CN101435370A CN 101435370 A CN101435370 A CN 101435370A CN 200710114384 CN200710114384 CN 200710114384 CN 200710114384 A CN200710114384 A CN 200710114384A CN 101435370 A CN101435370 A CN 101435370A
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- fuel
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- plunger
- vacuum
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention relates to an engine fuel automatic feeding device which comprises a mixer and a fuel control valve. The mixer consists of a gas inlet, a mixing chamber and a mixed fuel outlet, wherein a chock valve is arranged on the gas inlet; and a throttle is arranged on the mixed fuel outlet. The device is characterized in that the fuel control valve is a change-over valve which has an input port for different fuels and a fuel output port; the fuel output port is communicated with a pressure regulation valve communicated with a fuel chamber of a fuel distribution valve; a plunger cavity communicated with the fuel chamber is arranged on the distribution valve; the cavity wall is provided with a fuel outlet which is arranged inside the mixing chamber; a plunger is arranged in the plunger cavity; the motion of the plunger controls the opening and closing of the fuel outlet; two vacuum holes are reserved on the mixer body outside the throttle, and are communicated with vacuum valves through communication pipes respectively; the execution end of one vacuum valve controls the opening and closing of the chock valve; and the execution end of the other vacuum valve controls the motion of the plunger. The engine fuel automatic feeding device can automatically adjust the air-fuel ratio, the mixed gas intake and the supply of different fuels.
Description
Technical field
The present invention 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 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 invention provides a kind of automatic feeding device of engine fuel the parts of fuel supply system.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 technical solution problem of the present invention 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 invention 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 present invention 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 invention has the beneficial effects as follows, 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
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of structure master's sectional view of the present invention.
Fig. 2 is the amplification view along A among Fig. 1-A line.
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 present invention 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 |
|---|---|---|---|
| CN 200710114384 CN101435370A (en) | 2007-11-15 | 2007-11-15 | Automatic feeding device of engine fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710114384 CN101435370A (en) | 2007-11-15 | 2007-11-15 | Automatic feeding device of engine fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101435370A true CN101435370A (en) | 2009-05-20 |
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ID=40709976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710114384 Pending CN101435370A (en) | 2007-11-15 | 2007-11-15 | Automatic feeding device of engine fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435370A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014692A (en) * | 2016-07-21 | 2016-10-12 | 福建省福林化油器有限公司 | Automatic chock valve control device of carburetor |
| CN107013373A (en) * | 2017-05-17 | 2017-08-04 | 梅尾巴 | Increase journey generator air supply system |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
-
2007
- 2007-11-15 CN CN 200710114384 patent/CN101435370A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014692A (en) * | 2016-07-21 | 2016-10-12 | 福建省福林化油器有限公司 | Automatic chock valve control device of carburetor |
| CN106014692B (en) * | 2016-07-21 | 2019-02-12 | 福建省福林化油器有限公司 | A kind of automatic control choke of carburetor |
| CN107013373A (en) * | 2017-05-17 | 2017-08-04 | 梅尾巴 | Increase journey generator air supply system |
| CN107013373B (en) * | 2017-05-17 | 2019-04-12 | 梅尾巴 | Increase journey generator air supply system |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090520 |