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【CN 201811299591.1 】Hydraulic machine including improved braking system
[CN 201811299591.1] Hydraulic machine including improved braking system Title: Hydraulic machine including improved braking system Application number: CN 201811299591.1 Applicant: Pokran Hydraulic Industrial Equipment Company Application date: 2018-11-2 Patent type: Invention application A hydraulic machine includes: a housing (1), which is rotatably installed relative to the shaft (4); a first brake member (31), it is constrained to rotate with said housing (1), a second brake means (34) constrained to rotate with said shaft (4) and adapted to cooperate with said first brake means (31), a brake piston (7) associated with a return means (71) and intended to apply a braking force, and a brake release chamber (8), it is adapted to be connected to a pressure so as to selectively apply a brake release pressure to said brake piston (7) so as to be able to separate said first and second brake means (31, 34); said braking device being characterized in that a sweep channel (9) is arranged in said shaft (4) so as to define a leakage flow (1) between said brake release chamber (8) and the inner volume of said housing.
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