Tank venting system for an internal combustion engine

Details Tank venting system for an internal combustion engine Tank venting system for an internal combustion engine

1994-01-04

1995-01-24

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123198D, F02M 3704

Patent

active

053834380

ABSTRACT:
A tank venting system which avoids soiling of the negative pressure protection valve which can cause problems in functional capability. The negative pressure protection valve is preceded by the intake air filter of the engine, so that with the negative pressure protection valve opened, a pressure equalization between the atmosphere and the tank venting system takes place by means of intake air filtered by the intake air filter. The tank venting system according to the invention is used to vent a fuel tank of a mixture-compressing internal combustion engine with externally supplied ignition.

REFERENCES:
patent: 4527532 (1985-07-01), Kasai
patent: 4986070 (1991-01-01), Abe
patent: 5056493 (1991-10-01), Holzer
patent: 5103794 (1992-02-01), Shiraijhi
patent: 5115785 (1992-05-01), Cook
patent: 5172672 (1992-12-01), Harada
patent: 5183023 (1993-02-01), Hanson
patent: 5193512 (1993-03-01), Steinbrenner et al.

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