Hydraulic machine including an improved braking system
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United States of America Patent
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Oct 5, 2021
Grant Date -
May 2, 2019
app pub date -
Oct 30, 2018
filing date -
Nov 2, 2017
priority date (Note) -
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Abstract
A hydraulic machine including: a casing rotatably mounted relative to a shaft; first brake means constrained to rotate with the casing; second brake means constrained to rotate with the shaft, and adapted to co-operate with the first brake means; a braking piston associated with return means and tending to exert a braking force; and a brake-release chamber adapted to be connected to a pressure force so as to apply a brake-release pressure selectively to the braking piston, so as to enable the first and second brake means to be separated; said hydraulic machine including a sweeping channel arranged in the shaft so as to define a leakage flow between the brake-release chamber and an internal volume of the casing.
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