Automatic control for a hydrostatic vehicle transmission

Details Automatic control for a hydrostatic vehicle transmission Automatic control for a hydrostatic vehicle transmission

1978-01-13

1979-09-18

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Condition responsive control means responsive to, or...

60464, 60488, F15B 2104, F16H 3946

Patent

active

041678532

ABSTRACT:
An automatic control for an automotive-vehicle hydrostatic transmission in which the engine drives a variable-displacement hydrostatic (axial-piston) pump which is connected with the motor by hydraulic lines. The hydrostatic (axial-piston) motor can be connected to the wheels of the vehicle. The control circuit comprises a filling pump, a metering throttle, a reversing valve and an adjusting device. The metering throttle is provided in a bypass between the filling pump and the reversing valve and is connected to the line communicating with the control element. A further throttle is provided in this line and has a diameter/length ratio less than 1.

REFERENCES:
patent: 3236049 (1966-02-01), Reinke
patent: 3850272 (1974-11-01), Reinke et al.

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