Power transmission

Details Power transmission Power transmission

1975-03-21

1977-04-26

Geoghegan, Edgar W.

Machine element or mechanism

Elements

Gear casings

747205, 60437, F16H 4704

Patent

active

040194043

ABSTRACT:
A power transmission having both mechanical and hydraulic power paths to a simple planetary differential unit to provide a double hydro-hydromechanical transmission with a low-speed, high torque, hydrostatic drive range by causing counterrotation of two gear members of the simple planetary, an intermediate speed range hydromechanical drive with inputs to the differential from both power paths and a high-speed, hydrostatic drive range.

REFERENCES:
patent: 2929269 (1960-03-01), Woydt
patent: 3055233 (1962-09-01), Giles
patent: 3203276 (1965-08-01), Bullard
patent: 3293943 (1966-12-01), MacDonald
patent: 3383952 (1968-05-01), Christenson
patent: 3427899 (1969-02-01), Gunderson et al.
patent: 3433095 (1969-03-01), Tuck
patent: 3470769 (1969-10-01), Livezey
patent: 3488947 (1970-01-01), Miller et al.
patent: 3496803 (1970-02-01), Whelahan
patent: 3596535 (1971-08-01), Polak
patent: 3626787 (1971-12-01), Singer
patent: 3714846 (1973-02-01), Louis et al.
patent: 3744344 (1973-07-01), Olsen et al.

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