Engine carburetor freeze-proof apparatus

Details Engine carburetor freeze-proof apparatus Engine carburetor freeze-proof apparatus

2005-06-07

2005-06-07

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Charge forming device

Heating of combustible mixture

C123S572000

Reexamination Certificate

active

06901918

ABSTRACT:
An engine carburetor freeze-proof apparatus that is compact in structure to minimize its impact upon the arrangement of member parts of the vehicle and lowers production cost by providing a pipe to the engine to connect a heating joint of the carburetor, combustion blow-by from the engine enters through the heating joint into a heating passage of the carburetor to heat up the carburetor thus to prevent it from being frozen, then the blow-by being discharged through an output pipe tube from the carburetor to be reclaimed by an air filter.

REFERENCES:
patent: 4279236 (1981-07-01), Dallman
patent: 4404950 (1983-09-01), Dallman
patent: 5284122 (1994-02-01), Will et al.
patent: 5699763 (1997-12-01), Phillips et al.

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