| 摘要 |
1. A hydraulic pump with axial pistons (1) in which each piston (1) drives the hydraulic fluid through a one-way valve, said one-way valves being linked to a control cylinder (20) by means of which the one-way valves can be rendered inoperative, characterized in that each one-way valve is placed in a chamber (10) and is constituted by a sliding support (15) inside which is disposed a spring (17) acting up-on a closing member (16) acting as a valve poppet which slides inside the sliding support (15), this support (15) being capable of being connected, at will, by any appropriate means, to the piston of the control cylinder (20).
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