Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1982-05-21
1984-06-19
Lazarus, Ira S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
55307, 55464, 55419, 55418, 55387, F02M 3700
Patent
active
044548494
ABSTRACT:
A canister to be used in the fuel supplying system of an internal combustion engine of a vehicle, is disclosed. The canister is provided with a fuel vapors guiding pipe for guiding the fuel vapors from a fuel vapors inlet port into a bed of adsorbent material accomodated within a housing, and a deflector for deflecting the flow of fuel vapors guided by the guiding pipe so as to be dispersed throughout the bed. The deflector is formed of air-permeable material having a flowing resistance slightly larger than that of the bed into a frusto-conical plate. According to the present invention, one part of the fuel vapors flowing into the bed through the guiding pipe in the fuel vapors adsorbing process flows along the upper surface of the deflector in the direction of the upper portion of the bed and another part of the fuel vapors flows through the deflector in the direction of the lower portion of the bed. Fresh air sucked into the bed in the fuel vapors purging process flows through the bed without being obstructed by the deflector so that the fuel vapors adsorbed by the whole bed are purged.
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Fukami Akira
Ishii Takeshi
Mizuno Junzi
Okamoto Kunio
Lazarus Ira S.
Moy Magdalen
Nippon Soken Inc.
Nippondenso Co. Ltd.
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