Importance

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Abstract

A hydraulic motor that can be operated in both directions, the hydraulic motor comprising two two-way hydraulic ports each of which can be connected, selectively depending on the direction of rotation in which the motor is to be actuated, either to a source of pressurized liquid or to a device for collecting the liquid at a lower pressure, the hydraulic motor comprising a drain port communicating with an interior space of the motor case, which comprises:

an intermediate pipe into which the drain pipe of the case opens,a first non-return valve positioned between the intermediate pipe and a first two-way hydraulic port and able to open toward the first two-way hydraulic port; anda second non-return valve positioned between the intermediate pipe and a second two-way hydraulic port and able to open toward the second two-way hydraulic port.

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First Claim