Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1985-02-28
1986-12-16
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123516, 137907, F02M 3302, G05D 1618
Patent
active
046288872
ABSTRACT:
A canister purge valve comprising: a housing (12) including a vacuum chamber (14) communicated to an extending vacuum port (16) and an opening (26); an assembly (40) received within the housing (12) including a valve seat (76) positioned within the vacuum chamber (14) and an axially extending inlet port (58) extending through the opening (26) in said housing (12). The valve including a plurality of passages (57, 60, 62) communicating the inlet port (58) to the vacuum chamber (14); valve means (90, 92, 94, 96) movably positioned within the vacuum chamber (14) for seating upon the valve seat means for biasing (98) the valve means (90, 92, 94, 96) against the valve seat (76) and means for generating (42, 44, 52, 100, 120) a magnetic flux signal in response to control signals for urging the valve means to seat upon said valve seat (76).
REFERENCES:
patent: 3545472 (1970-12-01), Franz
patent: 3802403 (1974-04-01), Dewick
patent: 4149504 (1979-04-01), Walters
patent: 4245592 (1981-01-01), Atkins
patent: 4377146 (1983-03-01), Oniki
patent: 4395991 (1983-08-01), Miyachi
patent: 4522371 (1985-06-01), Fox
Cook John E.
Mitchell Ronald F.
Canadian Fram Limited
Miller Carl Stuart
Seitzman Markel
Wells Russel C.
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