A fluid pressure circuit includes an HST circuit having a variable capacity fluid pressure pump configured to be driven by a mechanism to perform forward-reverse rotation, a fluid pressure motor configured to be driven by fluid discharged from the fluid pressure pump to perform forward-reverse rotation, a first line configured to connect a first port of the fluid pressure pump and a first port of the fluid pressure motor, and a second line configured to connect a second port of the fluid pressure pump and a second port of the fluid pressure motor; an accumulator connected in parallel with the fluid pressure pump; an accumulator pump configured to accumulate pressure fluid in the accumulator; and an accumulator switching valve configured to switch connection between the fluid pressure motor and the accumulator.
Fluid pressure circuit
2020-08-18
Patent
Elektronische Ressource
Englisch
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