Hydrostatic transmission

Details Hydrostatic transmission Hydrostatic transmission

1989-03-15

1991-09-17

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of motive fluid flow

60459, 60464, 60466, 60489, 60494, F16D 3102

Patent

active

050482955

ABSTRACT:
In a hydrostatic transmission comprising a pump and a hydraulic motor arranged in a main line having low pressure and high pressure sections, wherein an oil drain line of the hydraulic motor is connected to the low pressure section of the main line, the housing of the hydraulic motor is freed from excessively high pressures in the main line by arranging a valve having an adjustable passage cross-section which decreases with increasing pressure in the main line before--in the direction of flow--the line connection of the oil drain line.

REFERENCES:
patent: 2415603 (1947-02-01), Muller et al.
patent: 2632301 (1953-03-01), Brodie
patent: 2655000 (1953-10-01), Vestre
patent: 3218797 (1965-11-01), Jennings
patent: 3635021 (1972-01-01), McMillen et al.
patent: 3999386 (1976-12-01), Crull et al.
patent: 4713936 (1987-12-01), Barber et al.

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