Hydrocarbon retaining and purging system

Details Hydrocarbon retaining and purging system Hydrocarbon retaining and purging system

2011-03-29

2011-03-29

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

Reexamination Certificate

active

07913672

ABSTRACT:
Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and diagnosing degradation. Further, various interrelated configurations are described.

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