Priming and purging system and method for an internal...

Details Priming and purging system and method for an internal... Priming and purging system and method for an internal...

2007-05-01

2007-05-01

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Auxiliary fuel supply device

C261S035000

Reexamination Certificate

active

11105902

ABSTRACT:
A priming and purging system and method for an internal combustion engine having a diaphragm carburetor includes a pump in fluid communication with the carburetor, a portion of the engine, and a fuel tank. The pump is manually actuatable to draw liquid fuel and any fuel vapors and gases from the carburetor and to deliver at least some liquid fuel into a portion of the engine to prime the engine and liquid fuel and any fuel vapor and gases toward and preferably into the fuel tank to facilitate purging the carburetor.

REFERENCES:
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patent: 6425573 (2002-07-01), Suzuki
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patent: 6561495 (2003-05-01), Woody
patent: 2005/0109303 (2005-05-01), Oyamada et al.

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