Fuel supply system for internal combustion engine

Details Fuel supply system for internal combustion engine Fuel supply system for internal combustion engine

1988-05-24

1989-03-14

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

123516, 123179L, 137588, 261DIG8, 261 361, F02M 3900

Patent

active

048117188

ABSTRACT:
A fuel supply system for an internal combustion engine comprising: a suction pump provided in a fuel supply passage, a ventilation passage for allowing interior space of a fuel tank to be communicated with the atmosphere, a normally closed ventilation valve disposed in the ventilation passage, and a normally-closed release valve disposed in the fuel return passage and adapted for opening the fuel return passage at the time of start-up of the engine. The release valve and the ventilation valve being operatively connected to each other such that they are opened and closed simultaneously.

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patent: 4150684 (1979-04-01), Kervin
patent: 4502516 (1985-03-01), Shields
patent: 4651889 (1987-03-01), Uranashi
patent: 4747942 (1988-05-01), Strauss

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