Apparatus for supplying fuel to an internal combustion engine

Details Apparatus for supplying fuel to an internal combustion engine Apparatus for supplying fuel to an internal combustion engine

1983-06-20

1984-07-31

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Auxiliary control of carburetor fuel metering

123445, 123480, 123446, 123457, F02B 3300

Patent

active

044623658

ABSTRACT:
Disclosed herein is an apparatus for supplying fuel to an internal combustion engine. The apparatus comprises an air regulator located at an air passage between a nozzle and an air pump for generating an air pressure P.sub.a and maintaining a pressure differential between pressure in an air intake passage and the air pressure P.sub.a at a predetermimed value corresponding to engine operations, a fuel regulator located at a fuel passage between the nozzle and a fuel pump for generating a fuel pressure P.sub.f and maintaining a pressure differential between pressure in the air intake passage and the fuel pressure P.sub.f at a predetermined value corresponding to engine operations, an air sensor for sensing the amount of suction air to the air intake passage and outputting a signal corresponding to the amount of suction air, a computer for receiving the signal from the air sensor and outputting a signal corresponding to a predetermined pressure differential between the air pressure P.sub.a and the fuel pressure P.sub.f in response to the signal from the air sensor and means located at at least one of the fuel passage and the air passage for receiving a signal from the computer and maintaining the pressure differential between the air pressure P.sub.a and the fuel pressure P.sub.f at a required value.

REFERENCES:
patent: 4294212 (1981-10-01), Aoki
patent: 4311126 (1982-01-01), Cowles
patent: 4344398 (1982-08-01), Ikeura
patent: 4347822 (1982-09-01), Casey
patent: 4378000 (1983-03-01), Moriya et al.

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