Evaporative fuel-processing system for internal combustion engin

Details Evaporative fuel-processing system for internal combustion engin Evaporative fuel-processing system for internal combustion engin

1994-10-21

1995-06-27

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, 180225, F02M 3302

Patent

active

054270766

ABSTRACT:
An evaporative fuel-processing system for an internal combustion engine for a vehicle includes an evaporative fuel-guiding port for guiding evaporative fuel generated from the fuel tank, an adsorbent for adsorbing the evaporative fuel guided from the evaporative fuel-guiding port, an evaporative fuel-discharging port for discharging the evaporative fuel desorbed from the adsorbent, and an air-introducing port for introducing air. The system comprises a first passage for allowing the air-introducing port to communicate with the chassis side frame of the vehicle, and a second passage for allowing the air-introducing port to communicate with the engine room of the vehicle. A first one-way valve is arranged across the first passage, for allowing a flow from the chassis side frame of the vehicle to the air-introducing port, and a second one-way valve means is arranged across the second passage, for allowing a flow from the air-introducing port to the engine room of the vehicle.

REFERENCES:
patent: 3845841 (1975-11-01), Kloefkorn
patent: 4359113 (1982-11-01), Latter
patent: 4699232 (1987-10-01), Nebu
patent: 5017909 (1994-06-01), Yamada
patent: 5060620 (1991-10-01), Oslapas
patent: 5193512 (1993-03-01), Steinbrenner
patent: 5224455 (1993-07-01), Ogasawara
patent: 5245995 (1993-09-01), Ito

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