Evaporated fuel treatment device of internal combustion...

Details Evaporated fuel treatment device of internal combustion... Evaporated fuel treatment device of internal combustion...

2006-12-26

2006-12-26

Kwon, John T. (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S520000

Reexamination Certificate

active

07152587

ABSTRACT:
In a canister system of seal type, a purge VSV is closed even if a predetermined purge condition is established so as to prevent direct purging of an evaporated fuel within a fuel tank into an intake system of an engine when one of the following conditions is established, that is, (1) a motor pump of an OBD pump module is driven; (2) a switching valve of the OBD pump module is set to ON; and (3) a closing valve is opened.

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patent: A 2004-156495 (2004-06-01), None
patent: A 2004-156499 (2004-06-01), None

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