CN2405022Y - Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting - Google Patents
Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting Download PDFInfo
- Publication number
- CN2405022Y CN2405022Y CN 00202470 CN00202470U CN2405022Y CN 2405022 Y CN2405022 Y CN 2405022Y CN 00202470 CN00202470 CN 00202470 CN 00202470 U CN00202470 U CN 00202470U CN 2405022 Y CN2405022 Y CN 2405022Y
- Authority
- CN
- China
- Prior art keywords
- low
- pressure cavity
- valve
- pipeline
- pressure chamber
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 239000000446 fuel Substances 0.000 title description 14
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 208000003173 lipoprotein glomerulopathy Diseases 0.000 description 21
- 238000002309 gasification Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses an LPG liquid jetting constant-pressure air supply device used for a motorcycle engine, which is provided with a high pressure chamber casing and a low pressure chamber casing. A diaphragm is arranged between the high pressure chamber casing and the low pressure chamber casing, the bottom part of the low pressure chamber casing is provided with a bottom board of a low pressure chamber, an air supply valve is arranged in the low pressure chamber through the center of the diaphragm, the air supply valve is provided with a valve rod and a spring, the lower end of the valve rod is provided with a sealed cone circular disk, the center of the low pressure chamber bottom board is provided with an air inlet passage corresponding to the sealed cone circular disk of the air supply valve, an electric control valve is arranged on the side surface of the low pressure chamber, a pipeline is arranged on the side surface of a high pressure chamber, and the pipeline is respectively connected with a liquid pipeline and the electric control valve through a non-return valve. The utility model has the advantages of constant pressure air supply and stable operation.
Description
The utility model relates to a kind of motorcycle engine LPG liquid injection constant pressure air feeding device.
Along with automobile pollution increases, motor-vehicle tail-gas more becomes seriously to pollution of atmosphere, and the Abgasgesetz increasingly stringent that various countries formulate is depended merely on the combustion system of improving internal-combustion engine and has been difficult to satisfy more and more stricter Abgasgesetz.Add the contradiction between oil supply and demand aggravation, the substitute fuel technology is developed rapidly in recent years.LPG is with advantages such as its good and economic, low pollution emission and easy accumulatings and become the good substitute fuel of automobile.Formed both at home and abroad huge LPG automobile market, to December nineteen ninety-five world LPG automobile pollution reach more than 400 ten thousand.It is predicted that U.S. LPG automobile annual turnover was 2,000,000 in 2010.Since the eighties, China's automobile pollution annual growth is 13%, and automobile concentrates on big and medium-sized cities relatively, vehicle exhaust causes severe contamination to urban air, automobile exhaust pollution as cities such as Beijing, Shanghai, Guangzhou, Hangzhou has become primary atmospheric pollution sources, employing LPG is an automotive fuel, is the shortcut that improves exhaust emissions.Along with our pay attention to day by day to efforts at environmental protection, it is more urgent and important that the research and extension of LPG automobile is operated in China.
From the development of LPG automotive engineering, experienced 3 stages: the 1st on behalf of the LPG gasification system, and the 2nd on behalf of LPG electronic control gasification system, and the 3rd on behalf of the LPG electric-controlling injection system.The domestic LPG automobile is generally all reequiped on the regular gasoline car, promptly adds a cover LPG fuel system (can use double fuel usually).
The purpose of this utility model provides the motorcycle engine LPG liquid injection constant pressure air feeding device of a kind of constant pressure air feeding, working stability.
The utility model is taked following measures in order to achieve the above object:
Motorcycle engine LPG liquid injection constant pressure air feeding device has the hyperbaric chamber housing, the low-pressure cavity housing, between hyperbaric chamber housing and low-pressure cavity housing, be provided with diaphragm, the low-pressure cavity housing bottom is provided with the low-pressure cavity base plate, by the diaphragm center, in low-pressure cavity, be provided with steam supply valve, steam supply valve has valve rod, the valve rod lower end is the seal cones disk, be provided with and the corresponding gas-entered passageway of steam supply valve seal cones disk at low-pressure cavity base plate center, the valve rod upper end is provided with screw thread, and passes the diaphragm central small hole, with nut and broadside spacers, on valve rod, be with spring, the spring lower end is dropped on the low-pressure cavity base plate, and upper end and spring seat join, and is provided with electronic control valve in the low-pressure cavity side, be provided with pipeline in the hyperbaric chamber side, join through one-way valve and electronic control valve, at pipeline, one-way valve, electronic control valve is provided with cover cap outward, divides into air inlet pipeline at the low-pressure cavity base plate, and link to each other the liquid pipeline of the external LPG of pipeline with the engine charge pipeline.
Advantage of the present utility model: 1) electric-controlled injection is compared with the electronic control gasification system with common gasification system, and fuel quantity control is more accurate, reaches than accurate air-fuel ratio, can reduce discharging; 2) hydraulic jet no longer needs enough vaporizers of big volume through low-pressure cavity; 3) constant pressure air feeding, working stability.
Below in conjunction with accompanying drawing the utility model is elaborated.
Accompanying drawing is the utility model structural representation.
Motorcycle engine LPG liquid injection constant pressure air feeding device has hyperbaric chamber housing 8, low-pressure cavity housing 5, between hyperbaric chamber housing and low-pressure cavity housing, be provided with diaphragm 9, the low-pressure cavity housing bottom is provided with low-pressure cavity base plate 2, by diaphragm 9 centers, in low-pressure cavity, be provided with steam supply valve 4, steam supply valve has valve rod, the valve rod lower end is the seal cones disk, be provided with and the corresponding gas-entered passageway of steam supply valve seal cones disk at low-pressure cavity base plate center, the valve rod upper end is provided with screw thread, and passes diaphragm 9 central small hole, and is fixing with nut and broadside pad 7, on valve rod, be with spring 3, the spring lower end is dropped on the low-pressure cavity base plate, and upper end and spring seat 6 join, and are provided with electronic control valve 13 in the low-pressure cavity side, be provided with pipeline 10 in the hyperbaric chamber side, join through one-way valve 12 and electronic control valve, at pipeline 10, one-way valve 12, be provided with cover cap 11 outside the electronic control valve 13, divide into air inlet pipeline 1 at the low-pressure cavity base plate, and link to each other the liquid pipelines of pipeline 10 external LPG with the engine charge pipeline.
The utility model working principle:
Between hyperbaric chamber and low-pressure cavity, there is a pressure reduction all the time.If hyperbaric chamber pressure is P
1, low-pressure cavity pressure is P
2, initial tension of spring is f, the iris action area is F.When not working, valve 13 is burner oil not, and low-pressure cavity does not have LPG, P
2F+f＜P
1F; During work, valve 12 jetting fluid pressurized fuel diffuse to form vaporized fuel in low-pressure cavity rapidly, P
2Value raises, and makes P
2F+f＞P
1F so diaphragm 9 raises up, rises thereby drive valve 4, to open air supply channel.
During design, make P
2F+f and P
1F is approaching, to improve air feed sensitivity.
This device can make the pressure of air feed initial point keep constant.Although LPG steel cylinder level of fuel descends because of using to consume, because the effect of one-way valve 12, the liquid fuel that enters hyperbaric chamber can not flow backwards, thereby makes the P of hyperbaric chamber
1Value can not descend thereupon, and sprays into the formed vaporized fuel pressure P of low-pressure cavity by electronic control valve
2Value is also corresponding to remain unchanged at the air feed initial point, to realize constant pressure air feeding.Electronic control valve 13 by the required fuel quantity of engine operating condition by the automatical control system programming to the low-pressure cavity burner oil.
Raise up moment spring force f and P at diaphragm 9
2Value may some reduce, and rises P when starting the gas air feed at valve 4
2Value also may some reduce, thereby makes valve 4 that the possibility of taking a seat and closing be arranged, but along with P
2When value returns to initial value rapidly, valve 4 is opened once more.This is a kind of moment to open and close phenomenon, does not influence normal use.
Claims (1)
1. motorcycle engine LPG liquid injection constant pressure air feeding device, it is characterized in that it has hyperbaric chamber housing [8], low-pressure cavity housing [5], between hyperbaric chamber housing and low-pressure cavity housing, be provided with diaphragm [9], the low-pressure cavity housing bottom is provided with low-pressure cavity base plate [2], by diaphragm [9] center, in low-pressure cavity, be provided with steam supply valve [4], steam supply valve has valve rod, the valve rod lower end is the seal cones disk, be provided with and the corresponding gas-entered passageway of steam supply valve seal cones disk at low-pressure cavity base plate center, the valve rod upper end is provided with screw thread, and pass diaphragm [9] central small hole, fixing with nut and broadside pad [7], on valve rod, be with spring [3], the spring lower end is dropped on the low-pressure cavity base plate, the upper end joins with spring seat [6], be provided with electronic control valve [13] in the low-pressure cavity side, be provided with pipeline [10] in the hyperbaric chamber side, join through one-way valve [12] and electronic control valve, in pipeline [10], one-way valve [12], the outer cover cap [11] that is provided with of electronic control valve [13], divide into air inlet pipeline [1] at the low-pressure cavity base plate, and link to each other, the liquid pipeline of the external LPG of pipeline [10] with the engine charge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00202470 CN2405022Y (en) | 2000-01-21 | 2000-01-21 | Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00202470 CN2405022Y (en) | 2000-01-21 | 2000-01-21 | Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2405022Y true CN2405022Y (en) | 2000-11-08 |
Family
ID=33571441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00202470 Expired - Fee Related CN2405022Y (en) | 2000-01-21 | 2000-01-21 | Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2405022Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796752B (en) * | 2004-12-20 | 2010-05-05 | 天津内燃机研究所 | Electric control engine of motorcycle of using monofuel LPG |
-
2000
- 2000-01-21 CN CN 00202470 patent/CN2405022Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796752B (en) * | 2004-12-20 | 2010-05-05 | 天津内燃机研究所 | Electric control engine of motorcycle of using monofuel LPG |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100462538C (en) | Combustion controlling system of hydrogen engine | |
| CN203584586U (en) | Alcohols and natural gas of natural gas internal combustion engine and injection and control system for switching alcohols and natural gas | |
| CN205243655U (en) | Dimethyl ether co -combustion system in advance preblends valve controlling means | |
| CN2405022Y (en) | Apparatus for constant supplying motor cycle engine with gaseous fuel using LPG liquid jetting | |
| CN201265453Y (en) | Adjustable impulse turbocharging apparatus | |
| CN105402038A (en) | Premix valve control device of dimethyl ether premixing combustion system | |
| CN203547937U (en) | Alcohol and gasoline double-fuel injection and control system for gasoline internal combustion engine | |
| CN201318229Y (en) | Oxygenating combustion-supporting fuel saving device for engines | |
| CN203430628U (en) | Spark-ignition type engine system with methanol fuel | |
| CN210068342U (en) | Gas fuel injection system | |
| CN203547934U (en) | Engine jet and control system for supplying alcohol and petrol or switching between alcohol and petrol of petrol internal combustion engine | |
| CN208564747U (en) | Petrol engine suitable for medium and heavy vehicle | |
| CN109595082A (en) | A kind of gas collection processing system | |
| CN209483488U (en) | A kind of gas collection processing system | |
| CN2926533Y (en) | Natural-gas engine combined by diesel engine | |
| CN202510250U (en) | Compressed hydrogen combustion motor automobile air supply system | |
| CN2883708Y (en) | Engine combustion supporting booster | |
| CN205532908U (en) | Petrol engine stops jar fuel economizing device | |
| CN2458428Y (en) | Carburetor for gasoline engine | |
| CN1447019A (en) | Low-pressure fuel feed system for dimethyl ether and diesel oil being as fuel of engine | |
| CN201991627U (en) | Electric control engine system | |
| CN114876654B (en) | Control method of engine adopting ammonia and hydrogen dual fuel | |
| CN202832860U (en) | Novel automobile engine idling fuel saving device | |
| CN2382849Y (en) | Booster oil breaking device of carburetor type petrol gas fuel engine | |
| CN2471948Y (en) | Environment protecting oil saver |
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 |