Multiple range hydrostatic transmission mechanism

Details Multiple range hydrostatic transmission mechanism Multiple range hydrostatic transmission mechanism

1975-01-08

1976-11-09

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

74720, 747205, 74665R, F16H 4704

Patent

active

039903273

ABSTRACT:
A transmission mechanism adapted especially for agricultural and industrial tractors and for heavy construction vehicles comprising a pair of hydrostatic pump-and-motor units arranged in a closed hydrostatic fluid flow circuit, a planetary gear unit and geared connections between separate elements of the gear unit and the rotor for each hydrostatic unit, each geared connection having its characteristic speed ratio thereby defining multiple speed ranges within which an infinite torque ratio variation is achieved.

REFERENCES:
patent: 3470769 (1969-10-01), Livezey
patent: 3596535 (1971-08-01), Polak
patent: 3855879 (1974-12-01), DeLalio

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