System and method for purging fuel vapors using exhaust gas

Details System and method for purging fuel vapors using exhaust gas System and method for purging fuel vapors using exhaust gas

2008-01-16

2008-12-30

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S520000, C060S278000

Reexamination Certificate

active

07469684

ABSTRACT:
A system for a vehicle, comprising of an engine, an air intake passage coupled to the engine, an exhaust passage coupled to the engine, a fuel vapor storage system fluidly coupled with the intake air passage and the exhaust passage, said fuel vapor storage system configured to store and release fuel vapors, a control system configured to during a first mode, route exhaust gas from the engine to the fuel vapor storage system via at least the exhaust passage, and during a second mode, route at least fresh air to the fuel vapor storage system to release fuel vapors from the fuel vapor storage system before being inducted into the engine via the air intake passage to be burned.

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