CN201705503U - Carbon canister system for adsorbing and desorbing petrol gas - Google Patents
Carbon canister system for adsorbing and desorbing petrol gas Download PDFInfo
- Publication number
- CN201705503U CN201705503U CN2010202335153U CN201020233515U CN201705503U CN 201705503 U CN201705503 U CN 201705503U CN 2010202335153 U CN2010202335153 U CN 2010202335153U CN 201020233515 U CN201020233515 U CN 201020233515U CN 201705503 U CN201705503 U CN 201705503U
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- CN
- China
- Prior art keywords
- carbon canister
- activated carbon
- oil pipe
- carburetor
- mouth
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- Expired - Fee Related
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Abstract
The utility model relates to a carbon canister system for adsorbing and desorbing petrol gas. The carbon canister system comprises an oil tank (1), a fuel cutoff valve (2), an activated carbon canister (3), an engine (5), a carburetor (6) and a filter (7), wherein one end of the fuel cutoff valve (2) is connected with the oil tank (1) through an oil pipe, while the other end of the fuel cutoff valve (2) is connected with an oil receiving box port of the activated carbon canister (3) through the oil pipe; the lower end of the activated carbon canister (3) is communicated with the atmosphere; the carburetor (6) is connected with the engine (5) and the filter (7) respectively through oil pipes; the activated carbon canister (3) is provided with a clean-out port connected with the carburetor (6) through the oil pipe; and a one-way valve (4) is arranged on the oil pipe which connects the clean-out port of the activated carbon canister and the carburetor (6). The carbon canister system has the advantages of achieving petrol gas adsorbing and desorbing functions by using the function of the one-way valve and a negative pressure produced by the startup of the engine, greatly simplifying the structure of the charcoal canister system and at the same time lowering production cost.
Description
Technical field
The utility model relates to the canister system that be used for gasoline oil gas absorption and desorption of a kind of use on Motor Vehicle.
Background technique
The canister system (as shown in Figure 1) that be used for gasoline oil gas absorption and desorption of use at present on Motor Vehicle is mainly by fuel tank, the fuel-cut valve, activated carbon canister, motor, Carburetor and filter are formed, one end of fuel-cut valve is connected with fuel tank by oil pipe, the other end is connected with the connected tank mouth of activated carbon canister by oil pipe, the lower end of activated carbon canister is communicated with atmosphere, Carburetor is connected with empty filter with motor respectively by oil pipe, has the mouth of removing on the activated carbon canister, this is removed mouth and is connected with Carburetor by oil pipe, the top of activated carbon canister is equipped with negative pressure controller, and the negative pressure mouth of negative pressure controller is connected with pipeline between Carburetor and the motor by pipeline.Its working principle is as follows:
Absorption principle
After fuel tank gasoline was heated, gasoline vapor was evaporated, and through the fuel-cut valve, can flow to activated carbon canister connected tank mouth, by active carbon adsorption.
The desorption principle
1, work as engine start, the engine charge negative pressure is opened negative pressure control valve.
2, engine negative pressure passes to activated carbon canister and removes mouth, produces flow.
3, fresh air is flow to remove by atmosphere entry and mouthful the hydrocarbon oils band of gas is gone into Carburetor and burn to motor.
The shortcoming of this structure is negative pressure controller to be installed at the top of activated carbon canister, causes complex structure, the manufacture cost height.
Summary of the invention
The purpose of this utility model is the canister system that is used for absorption of gasoline oil gas and desorption that the shortcoming that overcomes prior art provides a kind of simple in structure, low cost of manufacture.
The technological scheme that realizes above-mentioned purpose is: a kind of canister system that is used for absorption of gasoline oil gas and desorption, comprise fuel tank, the fuel-cut valve, activated carbon canister, motor, Carburetor and filter, one end of fuel-cut valve is connected with fuel tank by oil pipe, the other end is connected with the connected tank mouth of activated carbon canister by oil pipe, the lower end of activated carbon canister is communicated with atmosphere, Carburetor is connected with empty filter with motor respectively by oil pipe, has the mouth of removing on the activated carbon canister, this removing mouth is connected with Carburetor by oil pipe, and connection activated carbon canister removing mouth is provided with one-way valve with the oil pipe of Carburetor.
The another kind of technological scheme that realizes above-mentioned purpose is: a kind of canister system that is used for absorption of gasoline oil gas and desorption, comprise fuel tank, the fuel-cut valve, activated carbon canister, motor, throttle valve body and filter, one end of fuel-cut valve is connected with fuel tank by oil pipe, the other end is connected with the connected tank mouth of activated carbon canister by oil pipe, the lower end of activated carbon canister is communicated with atmosphere, throttle valve body is connected with empty filter with motor respectively by oil pipe, has the mouth of removing on the activated carbon canister, this removing mouth is connected with throttle valve body by oil pipe, and connection activated carbon canister removing mouth is provided with one-way valve with the oil pipe of throttle valve body.
After adopting above-mentioned two kinds of technological schemes, connection activated carbon canister removing mouth is provided with one-way valve with the oil pipe of Carburetor, and negative pressure controller is set at the activated carbon canister top no longer, the negative pressure of utilizing the function of one-way valve and engine start to produce reaches the function of absorption of gasoline oil gas and desorption equally, simplified the structure of canister system greatly, simultaneously, also reduced cost of production.
Description of drawings
Fig. 1 is the structural representation of canister system in the prior art;
Fig. 2 is first a kind of embodiment's of the present utility model structural representation;
Fig. 3 is second a kind of embodiment's of the present utility model structural representation.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment one
As shown in Figure 2, a kind of canister system that is used for absorption of gasoline oil gas and desorption, comprise fuel tank 1, fuel-cut valve 2, activated carbon canister 3, motor 5, Carburetor 6 and filter 7, one end of fuel-cut valve 2 is connected with fuel tank 1 by oil pipe, the other end is connected with the connected tank mouth of activated carbon canister 3 by oil pipe, the lower end of activated carbon canister 3 is communicated with atmosphere, Carburetor 6 is connected with empty filter 7 with motor 5 respectively by oil pipe, has the mouth of removing on the activated carbon canister 3, this removing mouth is connected with Carburetor 6 by oil pipe, and connection activated carbon canister removing mouth is provided with one-way valve 4 with the oil pipe of Carburetor 6.This structure is fit to use the Motor Vehicle of Carburetor.
This embodiment's working principle is as follows:
Absorption principle:
1, after fuel tank 1 gasoline was heated, gasoline vapor was evaporated, and through fuel-cut valve 2, can flow to activated carbon canister 3 connected tank mouths, by active carbon adsorption.
2, because motor 5 is not activated, one-way valve 4 is in closed condition.
The desorption principle
1, start when motor 5, Carburetor 6 negative pressure value reach-0.5 to-1.5KPa, and one-way valve 4 is opened.
2, the air-intake negative-pressure of motor passes to activated carbon canister, produces flow.
3, fresh air is flow to remove by atmosphere entry and mouthful the hydrocarbon oils band of gas is gone into Carburetor 6 and burn to motor 5.
Embodiment two
As shown in Figure 3, a kind of canister system that is used for absorption of gasoline oil gas and desorption, comprise fuel tank 1, fuel-cut valve 2, activated carbon canister 3, motor 5, throttle valve body 8 and filter 7, one end of fuel-cut valve 2 is connected with fuel tank 1 by oil pipe, the other end is connected with the connected tank mouth of activated carbon canister 3 by oil pipe, the lower end of activated carbon canister 3 is communicated with atmosphere, throttle valve body 8 is connected with empty filter 7 with motor 5 respectively by oil pipe, has the mouth of removing on the activated carbon canister 3, this removing mouth is connected with throttle valve body 8 by oil pipe, and connection activated carbon canister removing mouth is provided with one-way valve 4 with the oil pipe of throttle valve body 8.This structure is fit to adopt the Motor Vehicle of EFI formula motor.
This embodiment's working principle is as follows:
Absorption principle:
1, after fuel tank 1 gasoline was heated, gasoline vapor was evaporated, and through fuel-cut valve 2, can flow to activated carbon canister 3 connected tank mouths, by active carbon adsorption.
2, because motor 5 is not activated, one-way valve 4 is in closed condition.
The desorption principle
1, start when motor 5, throttle valve body 8 negative pressure value reach-0.5 to-1.5KPa, and one-way valve 4 is opened.
2, the air-intake negative-pressure of motor passes to activated carbon canister, produces flow.
3, fresh air is flow to remove by atmosphere entry and mouthful the hydrocarbon oils band of gas is gone into throttle valve body 8 and burn to motor 5.
Claims (2)
1. canister system that is used for gasoline oil gas absorption and desorption, comprise fuel tank (1), fuel-cut valve (2), activated carbon canister (3), motor (5), Carburetor (6) and filter (7), one end of fuel-cut valve (2) is connected with fuel tank (1) by oil pipe, the other end is connected by the connected tank mouth of oil pipe with activated carbon canister (3), the lower end of activated carbon canister (3) is communicated with atmosphere, Carburetor (6) is connected with empty filter (7) with motor (5) respectively by oil pipe, has the mouth of removing on the activated carbon canister (3), this removing mouth is connected with Carburetor (6) by oil pipe, it is characterized in that: connection activated carbon canister removing mouth is provided with one-way valve (4) with the oil pipe of Carburetor (6).
2. canister system that is used for gasoline oil gas absorption and desorption, comprise fuel tank (1), fuel-cut valve (2), activated carbon canister (3), motor (5), throttle valve body (8) and filter (7), one end of fuel-cut valve (2) is connected with fuel tank (1) by oil pipe, the other end is connected by the connected tank mouth of oil pipe with activated carbon canister (3), the lower end of activated carbon canister (3) is communicated with atmosphere, throttle valve body (8) is connected with empty filter (7) with motor (5) respectively by oil pipe, has the mouth of removing on the activated carbon canister (3), this removing mouth is connected with throttle valve body (8) by oil pipe, it is characterized in that: connection activated carbon canister removing mouth is provided with one-way valve (4) with the oil pipe of throttle valve body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202335153U CN201705503U (en) | 2010-06-17 | 2010-06-17 | Carbon canister system for adsorbing and desorbing petrol gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202335153U CN201705503U (en) | 2010-06-17 | 2010-06-17 | Carbon canister system for adsorbing and desorbing petrol gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201705503U true CN201705503U (en) | 2011-01-12 |
Family
ID=43442658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202335153U Expired - Fee Related CN201705503U (en) | 2010-06-17 | 2010-06-17 | Carbon canister system for adsorbing and desorbing petrol gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201705503U (en) |
-
2010
- 2010-06-17 CN CN2010202335153U patent/CN201705503U/en not_active Expired - Fee Related
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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: 20110112 Termination date: 20130617 |