Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2011-05-17
2011-05-17
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
Reexamination Certificate
active
07942134
ABSTRACT:
A method for controlling an automotive canister purge valve in fluid communication with an evaporative canister includes selecting a purge flow rate of increase for the purge valve based on a hydrocarbon concentration in a fluid stream exiting the evaporative canister, and operating the purge valve based on the selected rate.
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M. James Grieve, et al., Advanced Canister Purge Algorithm with a Virtual [HC] Sensor, Reprinted From: Electronic Engine Controls 2000: Controls (SP-1500), SAE Technical Paper Series, 2000-01-0557, SAE 2000 Wold Congress, Detroit, Michigan Mar. 6-9, 2000.
Bensen Eric J.
Butler Darrell Erick
Miller Kenneth James
Peters Mark
Pifher Kenneth L.
Brooks B. Kushman P.C.
Ford Global Technologies LLC
Gimie Mahmoud
Kelley David B.
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