Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1980-05-02
1982-01-26
Burns, Wendell E.
Internal-combustion engines
Engine speed regulator
Idle speed control
62243, 74873, 123198R, 180 54G, F02M 300
Patent
active
043123112
ABSTRACT:
An engine idling correction system for an automotive vehicle provided with an air conditioner and an automatic transmission comprises a novel actuator having two vacuum compartments. A vacuum supplied from an intake vacuum outlet on an intake manifold of the engine is introduced into a first vacuum compartment in the actuator when a thermostat provided in the cooling unit is turned on, and into a second vacuum compartment in the same actuator when a neutral switch provided for the automatic transmission is turned on, whether independently or simultaneously, in order to open the throttle valve; that is, to correct the engine revolution speed under engine idling conditions. The actuator thus improved is also so designed as to be adaptable to engine idling correction systems for various automotive vehicles, with less costly structure and better interchangeability.
REFERENCES:
patent: 2913921 (1959-11-01), Gordon
patent: 2929226 (1960-03-01), Baker et al.
patent: 3103128 (1963-09-01), Gordon
patent: 3146845 (1964-09-01), Carlson
patent: 3252539 (1966-05-01), Ott et al.
patent: 3253772 (1966-05-01), Parker
patent: 4182291 (1980-01-01), Ito
patent: 4186697 (1980-02-01), Yasuda et al.
Burns Wendell E.
Nissan Motor Company Limited
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