Canister having absorbent and internal purge pump

Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system

Reexamination Certificate

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Details

C123S516000, C123S518000, C123S520000, C123S531000, C123S533000, C123S1980DA, C073S049700, C073S118040

Reexamination Certificate

active

11484636

ABSTRACT:
A canister includes a casing that has a tank port connected to a fuel tank, an atmospheric port connected to an atmospheric passage communicating with atmosphere, and a purge port connected to an intake passage of an engine. An adsorbent is charged in the casing for adsorbing fuel vapor. A support member defines an accommodation chamber in the casing. The support member supports the adsorbent. A pump is supported by the support member. The pump is accommodated in the accommodation chamber. The pump introduces atmospheric air into the accommodation chamber through the atmospheric passage. A motor is accommodated in the accommodation chamber. The motor drives the pump. A damping member is located between the pump and the support member for absorbing sound and vibration transmitted from the pump to the support member.

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patent: 2005/0011185 (2005-01-01), Annoura et al.
patent: 2002-155812 (2002-05-01), None

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