Machine element or mechanism – Elements – Gear casings
Patent
1976-10-05
1979-02-20
Scott, Samuel
Machine element or mechanism
Elements
Gear casings
74677, F16H 4708
Patent
active
041400291
ABSTRACT:
A Hydromechanical Transmission is disclosed which consists of a multiple turbine converter, a planetary gear set, one input shaft and one output shaft. The converter and planetary gear set are so arranged that an impeller is fastened to the ring gear of the planetary gear set. At least one turbine, which is driven directly by the input shaft, is fastened to the planet carrier; and the remaining turbines and the sun gear are splined to the output shaft. During low output speed operation, the impeller is driven by the differential action of the planetary gear set and rotates with a speed higher than that of the input shaft. Regenerative torque multiplication is achieved by the special arrangement of this invention resulting in a high torque ratio. During operation, the transmission of torque is accomplished through split mechanical and hydrodynamic paths, thereby improving both the power transmission efficiency, and the responsiveness and smoothness of operation.
REFERENCES:
patent: 2135282 (1938-11-01), Fottinger
patent: 2147528 (1939-02-01), Fottinger
patent: 2312849 (1943-03-01), Pollard
patent: 2848906 (1958-08-01), Dodge
patent: 2964976 (1960-12-01), Kelley
patent: 3027721 (1962-04-01), Mamo
patent: 3537260 (1970-11-01), Hobbs
patent: 3789697 (1974-02-01), Hobbs
Chandler Lance W.
Scott Samuel
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