Passive evaporative emission control module

Details Passive evaporative emission control module Passive evaporative emission control module

2007-12-21

2009-11-03

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S519000, C123S520000

Reexamination Certificate

active

07610905

ABSTRACT:
An emission control module (14) includes a housing (52) that includes an atmospheric air opening (102) and a vapor emission inlet (104) for communication with a vapor region (32) of a fuel reservoir (16). A hydrocarbon filter (56) is disposed between the atmospheric air opening (102) and the vapor emission inlet (104) to passively filter vapor emissions within the vapor region (32). The housing (52) is configured for purging of the hydrocarbon filter (56) due to a low-pressure draw from the vapor emission inlet (104).

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patent: 2003/0102034 (2003-06-01), Aschoff

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