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Manufacturing method of silencing element used in front of carbon tank electromagnetic valve

A sound-absorbing element and a technology of a manufacturing method, which are applied in the direction of valves, devices for absorbing fluid energy, engine components, valve devices, etc., can solve the problems of both rigidity and the like

Active Publication Date: 2021-06-22
HEBEI CHINAUST AUTOMOTIVE PLASTICS CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two requirements are in conflict in plastics, i.e. one plastic cannot be both rigid and tough

Method used

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  • Manufacturing method of silencing element used in front of carbon tank electromagnetic valve
  • Manufacturing method of silencing element used in front of carbon tank electromagnetic valve
  • Manufacturing method of silencing element used in front of carbon tank electromagnetic valve

Examples

Experimental program
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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0030] Such as figure 1 with 2 As shown, a muffler element used in front of the carbon canister solenoid valve includes a muffler body 1 and at least one fixing structure 2 arranged on the surface of the muffler body 1, and the fixing structure 2 is used for fixing the vehicle plate (sheet metal) fixing, and then the muffler body 1 is fixed on the vehicle fixing plate (sheet metal); the material rigidity of the muffler body 1 is greater than the material rigidity of the fixing structure 2, or / and, The material toughness of the fixing structure 2 is greater than that of the muffler body 1 .

[0031] The muffler element is made of different materials between its muffler body 1 and the fixed structure 2, and the muffler body 1 is made of a rigid material, so that the muffler body 1 has a higher impact strength to meet When it is connected and assemble...

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PUM

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Abstract

The invention discloses a manufacturing method of a silencing element used in front of a carbon tank electromagnetic valve. The manufacturing method comprises the following steps that 1, a silencer body and a fixing structure are correspondingly manufactured by adopting different materials, the material rigidity of the silencer body is greater than the material rigidity of the fixing structure, or / and the material toughness of the fixing structure is greater than the material toughness of the fixing structure; and 2, the fixing structure is assembled on the surface of the silencer body. The silencing element manufactured by the manufacturing method can meet the rigidity required by the silencer body and the toughness required by the fixing structure at the same time.

Description

technical field [0001] The invention relates to a fuel vapor desorption system, in particular to a method for manufacturing a sound-absorbing element in front of a carbon canister solenoid valve. Background technique [0002] In order to prevent air pollution caused by the evaporation of fuel in the car, a set of fuel vapor desorption system is installed inside the fuel car. The main components of the fuel vapor desorption system are the carbon canister, the carbon canister solenoid valve, the desorption pipeline and the sound-absorbing element. The principle of the fuel vapor desorption system is: when the engine is turned off, fuel consumption will cause negative pressure in the fuel tank due to the closed fuel tank. Under negative pressure, the fuel in the fuel tank is more likely to volatilize and generate fuel vapor. The steam diffuses to the carbon tank along with the fuel evaporation pipeline, because the activated carbon inside the carbon tank can firmly adsorb the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/08F16K47/02G10K11/162
CPCF02M25/08F02M25/0836F16K47/02G10K11/162F02M2025/0845Y02T10/40
Inventor 夏雷鸣李立涛马宝玲刘新明王强
Owner HEBEI CHINAUST AUTOMOTIVE PLASTICS CORP LTD
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