Infinitely variable speed gear drive

Details Infinitely variable speed gear drive Infinitely variable speed gear drive

1977-10-14

1980-01-01

Chandler, Lance

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74687, 74688, F16H 4708

Patent

active

041810406

ABSTRACT:
Infinitely variable speed ratio gear drive with reversible output-end direction of rotation, featuring a mechanical power train and a further power train incorporating an infinitely variable and reversible torque transmitting unit which preferably comprises a hydrostatic pump and a hydrostatic motor. The two power trains are re-joined in a planetary gear train, with the mechanical power train delivering its power to the sun gear and the further power train delivering its power to the internal gear via an intermediate transmission and the planet carrier being connected to the output. A third power train with a hydrodynamic converter which also delivers its power to the internal gear can be provided in addition.

REFERENCES:
patent: 3073182 (1963-01-01), Harmon
patent: 3500704 (1970-03-01), Muller et al.
patent: 3713353 (1973-01-01), Scheiter
patent: 3748924 (1973-07-01), Cross et al.
patent: 3777593 (1973-12-01), Mooney, Jr. et al.
patent: 3851544 (1974-12-01), Herman
patent: 3905251 (1975-09-01), Greene
patent: 4014222 (1977-03-01), Brandt

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