System for preventing the percolation of fuel in a carburetor

Details System for preventing the percolation of fuel in a carburetor System for preventing the percolation of fuel in a carburetor

1983-04-18

1985-02-12

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Liquid supply tank

261DIG67, 261DIG74, 261DIG81, F02M 508

Patent

active

044990324

ABSTRACT:
A system preventing the percolation of fuel in a carburetor comprising a first passage communicating a space of a float chamber of the carburetor with the atmosphere, a diaphragm valve with a vacuum chamber for closing the passage, and an inner vent pipe for communicating the space of the float chamber with an intake passage of the carburetor. A thermo sensor is provided for sensing the temperature of the carburetor and for producing a signal when the temperature reaches a high temperature which would cause the percolation of the fuel. The diaphragm valve is operated in dependency on the signal of the thermo sensor to open the passage to communicate the space of the float chamber with the atmosphere.

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