Integrated transmission-engine control

Details Integrated transmission-engine control Integrated transmission-engine control

1977-05-05

1978-07-25

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Condition responsive control of or by input to input pump...

60433, 60443, 60449, F16D 3102, F15B 1102

Patent

active

041021312

ABSTRACT:
An integrated transmission-engine control for a transmission, such as a hydrostatic transmission having a variable displacement unit connectable to an engine and a second displacement unit connected to an output shaft, including fluid pressure-operated ratio governor means for the transmission, fluid pressure-operated means for controlling the supply of fuel to an engine, a power demand valve for converting a particular power demand to a particular fluid pressure primary control signal. The primary control signal is applied to the ratio governor means in opposition to a signal representing engine speed to set the transmission ratio for a desired engine speed and also applied to the fuel supply controlling means to establish a fuel setting to match engine horsepower to engine speed for minimum fuel consumption.

REFERENCES:
patent: 2500580 (1950-03-01), Segsworth
patent: 2882743 (1959-04-01), Ebert
patent: 3114424 (1963-12-01), Voreaux et al.
patent: 3139723 (1964-07-01), Hollowell
patent: 3237398 (1966-03-01), Croswhite
patent: 3733931 (1973-05-01), Nyman et al.
patent: 3855793 (1974-12-01), Pollman et al.

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