Purge system for ethanol direct injection plus gas port fuel...

Details Purge system for ethanol direct injection plus gas port fuel... Purge system for ethanol direct injection plus gas port fuel...

2008-09-30

2008-09-30

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S1980DA

Reexamination Certificate

active

11923418

ABSTRACT:
A method for managing vapors generated by a first and second reservoir onboard a vehicle traveling on the road, the method comprising of inducting vapors from the first and second reservoirs during engine operation and reducing flow of vapors from first the reservoir to second reservoir and from the second reservoir to the first reservoir, wherein said reducing includes restricting said flow of vapors from the first reservoir to the second reservoir and from the second reservoir to the first reservoir to prevent fuel vapors with different alcohol amounts from mixing.

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