Chain saw

Details Chain saw Chain saw

1987-04-23

1988-08-23

Wolfe, Willis R.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123556, 123 4167, F01P 710

Patent

active

047652829

ABSTRACT:
A chain saw has a first shutter provided between an air intake space formed on the side of a body and a heat insulation space formed between an internal combustion engine chamber and a carbureter chamber in such a manner as to be openable and closeable such as to cut off the communication therebetween, as well as a second shutter provided between the air intake space and a passage in such a manner as to be openable and closeable such as to cut off the communication therebetween.

REFERENCES:
patent: 2334561 (1943-11-01), Kopplin
patent: 3678973 (1972-07-01), Loop
patent: 4327680 (1982-05-01), Dauwalder
patent: 4545357 (1985-10-01), Kearsley et al.

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