Hydraulic power transmission

Machine element or mechanism – Gearing – Plural power paths to and/or from gearing

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Details

192 61, F16H 5710, F16D 3104

Patent

active

040784533

ABSTRACT:
A hydraulic power transmission of the hydrostatic type comprising a planetary network of rotary gear pumps employing a centrosymmetric internal valve control of pump fluid through the driving shaft, sun gear, and driven shaft, with external cooling of the pump fluid. A secondary hydraulic control means is incorporated to operate the internal control valve with all hydrostatic pressures confined within the pump system.

REFERENCES:
patent: 1107944 (1914-08-01), Herpolsheimer
patent: 1686687 (1928-10-01), Kuhn
patent: 1935400 (1933-11-01), Junkers
patent: 2282395 (1942-05-01), Corrigan
patent: 3416636 (1968-12-01), Ahlen

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