Throttle opener device for vehicle engines

Details Throttle opener device for vehicle engines Throttle opener device for vehicle engines

1982-06-07

1983-07-05

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123328, 123378, 123376, 123340, 74866, 123341, F02S 1110, F02D 104, F02M 1912

Patent

active

043912460

ABSTRACT:
A throttle valve opener for a throttle valve in the intake passage of a vehicle engine is actuated by suction pressure from the intake passage, the suction pressure being weakened by introduction of atmospheric air during certain operating conditions of the engine. Suction pressure for operating the throttle valve opener is cut off when the vehicle speed or the engine RPM exceed predetermined values, or when the engine's cooling water temperature rises above a predetermined limit. This system controls deceleration of the engine to reduce exhaust pollutants without adverse effects on the drivability of the vehicle.

REFERENCES:
patent: 2397835 (1946-04-01), Brame
patent: 2491497 (1949-12-01), Jorgenson et al.
patent: 2669982 (1954-02-01), Schowarter et al.
patent: 3092090 (1963-06-01), Berninger
patent: 3371674 (1968-03-01), Thorner
patent: 3603297 (1971-09-01), Sherwin
patent: 3621824 (1971-11-01), Burnia et al.
patent: 3691873 (1972-09-01), Lombard et al.
patent: 3964457 (1976-06-01), Coscia

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