Fuel injection system

Details Fuel injection system Fuel injection system

1982-12-16

1984-05-22

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123376, 123361, F02D 1110, F02D 104, F02M 112, F02M 300

Patent

active

044494998

ABSTRACT:
A fuel injection system comprises a thermo-sensitive element adapted to expand and contract in response to the engine temperature, a cam adapted to rotate in response to expansion and contraction of the thermo-sensitive element, a lever rotatably supported by a throttle shaft and carrying an idle switch thereon. The idle switch is maintained at on-condition through angular moment of the throttle shaft in its closed direction when an acceleration pedal is released. The lever is rotated in association with the rotation of the cam with the opening degree of the throttle valve at idling operation being controlled by the lever so as to adjust the opening degree of the throttle valve at idling operation to suit with the engine temperature.

REFERENCES:
patent: 3338111 (1967-08-01), Walker
patent: 3489127 (1970-01-01), Higashigawa
patent: 3760785 (1973-09-01), Harrison et al.
patent: 4143634 (1979-03-01), Ritter et al.
patent: 4181107 (1980-01-01), Nomura et al.
patent: 4200596 (1980-04-01), Iiyama et al.
patent: 4363303 (1982-12-01), Takayama
patent: 4391245 (1983-07-01), Larson

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