Apparatus for processing fuel vapor in internal combustion engin

Details Apparatus for processing fuel vapor in internal combustion engin Apparatus for processing fuel vapor in internal combustion engin

1998-12-03

1999-11-09

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123383, F02M 3302

Patent

active

059794186

ABSTRACT:
A three-way valve is mounted in the middle of a bypass passage bypassing the upstream and downstream of a compressor, and a purge passage is connected to the three-way valve. When the negative throttle pressure is equal to or above a predetermined value (close to vacuum), the recirculation of the supercharged pressure is performed through the bypass passage. On the other hand, when the negative throttle pressure is below the predetermined value, the purging of the canister is performed on the upstream side of the compressor through the bypass passage.

REFERENCES:
patent: 4446940 (1984-05-01), Sakakibara
patent: 4541396 (1985-09-01), Sato
patent: 5103794 (1992-04-01), Shiraishi
patent: 5183023 (1993-02-01), Hanson
patent: 5377644 (1995-01-01), Rohn
patent: 5390645 (1995-02-01), Cook
patent: 5411004 (1995-05-01), Busato
patent: 5474047 (1995-12-01), Cochard

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