Fuel supply system

Details Fuel supply system Fuel supply system

1994-06-15

1995-03-07

Kamen, Noah P.

Internal-combustion engines

Two-cycle

Rear compression

123DIG5, 261 35, 261 411, 417395, F02B 3304

Patent

active

053948408

ABSTRACT:
A closed loop fuel supply system for operating engines in all possible attitudes in which fuel is delivered by a vacuum pump responsive to the vacuum level in the crankcase of the engine and in which the vacuum driving the pump is modulated in response to the pressure of fuel being delivered to the fuel supply system so that the amount of fuel delivered for combustion purposes is equal to the requirements of the engine without any excess. In another embodiment, the delivery of pulsating fuel is dampened to obtain a uniform fuel delivery and distribution to the combustion chamber is under the control of three shutoff valves operating throughout the speed range of the engine. In each embodiment fuel is conserved and a fuel return line is not required.

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