Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1994-12-22
1997-03-04
Miller, Carl S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123516, F02M 3704
Patent
active
056069545
ABSTRACT:
In an evaporative fuel processing device, an evaporative fuel passage communicating at one end to an upper space in a fuel tank is connected at the other end to a refueling line at a location corresponding to a negative pressure introducing hole provided in a lower portion of a tip end of a nozzle during refueling by a refueling nozzle which is constructed so that the refueling by the refueling nozzle is automatically stopped in response to a fuel liquid level reaching the negative pressure introducing hole during refueling. The draft resistance of an evaporative fuel passage interconnecting an inlet of the refueling line and a tank body is set larger than the draft resistance of an evaporative fuel passage interconnecting the tank body and a canister. Thus, the releasing of evaporative fuel from the fuel tank during refueling is effectively inhibited without use of a potentially unreliable seal.
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patent: 4932444 (1990-06-01), Micek
patent: 4944779 (1990-07-01), Szlaga
patent: 5024687 (1991-06-01), Waller
patent: 5123459 (1992-06-01), Toshihiro
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patent: 5431144 (1995-07-01), Hyodo
Hara Takeshi
Hidano Koichi
Horiuchi Masaaki
Kawakami Tomoyuki
Nakajima Takeaki
Honda Giken Kogyo Kabushiki Kaisha
Miller Carl S.
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