CN1493780A - Petroleum liquified gas automobile multipoint injection system - Google Patents
Petroleum liquified gas automobile multipoint injection system Download PDFInfo
- Publication number
- CN1493780A CN1493780A CNA021376751A CN02137675A CN1493780A CN 1493780 A CN1493780 A CN 1493780A CN A021376751 A CNA021376751 A CN A021376751A CN 02137675 A CN02137675 A CN 02137675A CN 1493780 A CN1493780 A CN 1493780A
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- signal port
- valve
- lead
- links
- circuit board
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Abstract
A multi-point jet system of liquefied petroleum gas for car is composed of steel cylinder, integrated valve, gas applying head, electromagnetic valve, pressure releasing valve, LPG filter, cut-off valve, step motor, distributor, nozzles, O2 sensor, control circuit board, simulator, and switching switch. Its advantages are high safety and low pollution.
Description
Technical field:
The present invention relates to a kind of vehicular engine fuel supply system, particularly a kind of petroleum liquified gas automobile multipoint injection system that is applied to.
Background technique:
In existing technology, automobile is a fuel with gasoline and diesel oil mostly, and pollution of atmosphere is serious day by day, and the photochemical smog incident all took place in world's major cities to some extent.Automobile gas emission pollution has caused significant damage to the people's health, society and environment.
Summary of the invention:
Technical problem to be solved by this invention is: because existing automobile is a fuel with gasoline and diesel oil mostly, automobile gas emission pollution has caused significant damage to the people's health, society and environment.
The present invention solves the problems of the technologies described above the technological scheme that is adopted to provide a kind of petroleum liquified gas automobile multipoint injection system, described petroleum liquified gas automobile multipoint injection system is by steel cylinder, integrated valve, inflating valve, solenoid valve, decompressor, the LPG filter cleaner, stop valve, stepper motor, distributor, nozzle, lambda sensor, control circuit board, emulsification, throw over switch and nozzle constitute, described integrated valve is arranged on the described steel cylinder, between described integrated valve and described steel cylinder, be provided with the high pressure suction pipe, be provided with high-voltage tube between the inlet of described integrated valve and the inflating valve, be provided with high-voltage tube between the outlet of described integrated valve and the inlet of solenoid valve, be provided with high-voltage tube between the outlet of described solenoid valve and the inlet of decompressor, be provided with a conduit between described decompressor and the described LPG filter cleaner, be provided with pressure tube between the outlet of described decompressor and the inlet of described stop valve, be provided with stepper motor before the described stop valve, described stepper motor connects by pipeline with the spool of described stop valve, be provided with pressure tube between the outlet of described stop valve and the inlet of described distributor, be provided with pressure tube between the outlet of described distributor and the described nozzle, the suction tude of described nozzle and described motor is coupled to each other, described motor is provided with lambda sensor, the signal port of described lambda sensor links by first signal port of lead and control circuit board, second signal port of described control circuit board links by the signal port of lead and described nozzle, the 3rd signal port of described control circuit board links by the signal port of lead and described stepper motor, the 4th signal port of described control circuit board be the signal port by lead and described decompressor stop valve respectively, second signal port of described emulsification links, first signal port of described emulsification links by the signal port of lead and described throw over switch, the 3rd signal port of described emulsification links by the signal port of lead and described integrated valve stop valve, and the 4th signal port of described emulsification links by the signal port of lead and described petrol jet.
The present invention and prior art contrast, because be provided with petroleum liquified gas automobile multipoint injection system, can reduce and pollute, the reliability height when guarantee automotive safety work.
Description of drawings:
Fig. 1 is a petroleum liquified gas automobile multipoint injection system schematic diagram of the present invention.
As shown in Figure 1, petroleum liquified gas automobile multipoint injection system of the present invention, by steel cylinder 1, integrated valve 2, inflating valve 3, solenoid valve 4, decompressor 5, LPG filter cleaner 6, stop valve 7, stepper motor 8, distributor 9, nozzle 10, motor 11, lambda sensor 12, control circuit board 13, emulsification 14, throw over switch 15 and nozzle 16 constitute, described integrated valve 2 is arranged on the described steel cylinder 1, between described integrated valve 2 and described steel cylinder 1, be provided with the high pressure suction pipe, be provided with high-voltage tube between the inlet of described integrated valve 2 and the inflating valve 3, be provided with high-voltage tube between the inlet of the outlet of described integrated valve 2 and solenoid valve 4, be provided with high-voltage tube between the inlet of the outlet of described solenoid valve 4 and decompressor 5, be provided with a conduit between described decompressor 5 and the described LPG filter cleaner 6, be provided with pressure tube between the inlet of the outlet of described decompressor 5 and described stop valve 7, described stop valve 7 is provided with stepper motor 8, described stepper motor 8 connects by pipeline with the spool of described stop valve 7, be provided with pressure tube between the inlet of the outlet of described stop valve 7 and described distributor 9, be provided with pressure tube between the outlet of described distributor 9 and the described nozzle 10, described nozzle 10 is coupled to each other with the suction tude of described motor 11, described motor 11 is provided with lambda sensor 12, the signal port of described lambda sensor 12 links by first signal port of lead and control circuit board 13, second signal port of described control circuit board 13 links by the signal port of lead and described nozzle solenoid valve 10, the 3rd signal port of described control circuit board 13 links by the signal port of lead and described stepper motor 8, the 4th signal port of described control circuit board 13 be the signal port by lead and described decompressor 5 low pressure respectively, second signal port of described emulsification 14 links, first signal port of described emulsification 14 links by the signal port of lead and described throw over switch 15, the 3rd signal port of described emulsification 14 links by the signal port of lead and described integrated valve 2, and the 4th signal port of described emulsification 14 links by the signal port of lead and described petrol jet 16.
Claims (2)
1, a kind of petroleum liquified gas automobile multipoint injection system, by steel cylinder, integrated valve, inflating valve, solenoid valve, filter cleaner, stop valve, decompressor, stepper motor, control circuit board, emulsification, throw over switch, distributor, nozzle and pipeline constitute, it is characterized in that: described integrated valve is arranged on the described steel cylinder, between described integrated valve and described steel cylinder, be provided with the high pressure suction pipe, be provided with high-voltage tube between the inlet of described integrated valve and the inflating valve, be provided with high-voltage tube between the outlet of described integrated valve and the inlet of solenoid valve, be provided with high-voltage tube between the outlet of described solenoid valve and the inlet of decompressor, be provided with an air conduit between described decompressor and the described LPG filter cleaner, be provided with low-voltage tube between the outlet of described decompressor and the inlet of described stop valve, be provided with stepper motor before the described stop valve, the axle of described stepper motor is coupled to each other with the spool of described stop valve, be provided with low-voltage tube between the outlet of described stop valve and the inlet of described distributor, be provided with low-voltage tube between the outlet of described distributor and the described nozzle, the fuel chamber of described nozzle and described motor is coupled to each other, described motor is provided with lambda sensor, the signal port of described lambda sensor links by first signal port of lead and control circuit board, second signal port of described control circuit board links by the signal port of lead and described throw over switch, the 3rd signal port of described control circuit board links by the signal port of lead and described stepper motor, the 4th signal port of described control circuit board be the signal port by lead and described decompressor stop valve respectively, second signal port of described emulsification links, first signal port of described emulsification links by the signal port of lead and described throw over switch, the 3rd signal port of described emulsification links by lead and vehicle complete vehicle electrical signal port, and the 4th signal port of described emulsification links by the signal port of lead and described petrol jet.
2, petroleum liquified gas automobile multipoint injection system according to claim 1 is characterized in that: connect for pipeline between the spool of described stepper motor and described stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021376751A CN1493780A (en) | 2002-10-29 | 2002-10-29 | Petroleum liquified gas automobile multipoint injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021376751A CN1493780A (en) | 2002-10-29 | 2002-10-29 | Petroleum liquified gas automobile multipoint injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1493780A true CN1493780A (en) | 2004-05-05 |
Family
ID=34231643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021376751A Pending CN1493780A (en) | 2002-10-29 | 2002-10-29 | Petroleum liquified gas automobile multipoint injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1493780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900050A (en) * | 2009-03-31 | 2010-12-01 | 通用汽车环球科技运作公司 | The system and method that is used for motor fuel control |
| CN1904335B (en) * | 2005-07-26 | 2011-12-21 | 上海内燃机研究所 | Gas, liquefied gas or compressed natural gas automobile fuel gas multipoint sequential jet system |
-
2002
- 2002-10-29 CN CNA021376751A patent/CN1493780A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1904335B (en) * | 2005-07-26 | 2011-12-21 | 上海内燃机研究所 | Gas, liquefied gas or compressed natural gas automobile fuel gas multipoint sequential jet system |
| CN101900050A (en) * | 2009-03-31 | 2010-12-01 | 通用汽车环球科技运作公司 | The system and method that is used for motor fuel control |
| CN101900050B (en) * | 2009-03-31 | 2013-06-19 | 通用汽车环球科技运作公司 | System and method for engine fuel control |
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Legal Events
| 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 |