Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1995-06-02
1996-10-08
Miller, Carl S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123516, F02M 3302
Patent
active
055620841
ABSTRACT:
A diagnosis control valve unit, provided in a vent pipe extending from a carbon canister, includes an air cleaner casing, an air cleaner filter and a diagnosis control valve substantially contained in the casing. A valve element, a valve seat and valve driving components of the diagnosis control valve are disposed in an internal space of the casing and the filter. The diagnosis control valve is firmly attached to an end of the casing. A valve element and a valve seat of a check valve are optionally provided in the casing, firmly attached to the opposite end of the casing. A vent pipe may be connected to that opposite end of the casing, in place of the check valve. The diagnosis control valve, check valve, or vent may be detachably connected to the casing.
REFERENCES:
patent: 4449506 (1984-05-01), Drutchas
patent: 4628887 (1986-12-01), Mitchell
patent: 4763635 (1988-08-01), Ballhause
patent: 4862856 (1989-09-01), Yokoe
patent: 4986246 (1991-01-01), de Vive
patent: 5253629 (1993-10-01), Fornuto
patent: 5337721 (1994-08-01), Kasuya
patent: 5383437 (1995-01-01), Cook
patent: 5429097 (1995-07-01), Wojts-Saary
patent: 5450833 (1995-09-01), Denz
Kyosan Denki Co. Ltd.
Miller Carl S.
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