Evaporative fuel control system for an internal combustion engin

Details Evaporative fuel control system for an internal combustion engin Evaporative fuel control system for an internal combustion engin

1996-02-15

1997-07-15

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123520, F02M 3304

Patent

active

056473338

ABSTRACT:
During the stoppage of an internal combustion engine or the refueling of a fuel tank, evaporative fuel is collected in a canister, and then only the air contained in the evaporative fuel is discharged into the atmosphere. To achieve this, the canister is provided with a plurality of atmosphere communication lines communicating with the atmosphere side, an air cut valve is installed respectively in each of these atmosphere communication lines, and control means for controlling the operation of the air cut valves is provided.

REFERENCES:
patent: 4446838 (1984-05-01), Suzuki et al.
patent: 5193512 (1993-03-01), Steinbrenner et al.
patent: 5377644 (1995-01-01), Krohm
patent: 5398660 (1995-03-01), Koyama et al.
patent: 5427076 (1995-06-01), Kobayashi et al.

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