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Hydraulic damping force control unit, hydraulic shock absorber, front fork for vehicle, and hydraulic rotary damper
Hydraulic damping force control unit, hydraulic shock absorber, front fork for vehicle, and hydraulic rotary damper
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机译:液压阻尼力控制单元,液压减震器,车辆前叉和液压旋转减震器
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摘要
A damping force is generated by keeping a damping force control valve closed when a piston of a hydraulic shock absorber starts to move from compression side dead center or expansion side dead center. A damping force control valve including a poppet valve for opening and closing a first fluid path is provided. A pilot pressure chamber defined from the fluid path by a valve element of the damping force control valve is provided. A linear solenoid and a pilot valve for increasing and reducing the hydraulic pressure in the pilot pressure chamber are provided. A check valve disposed in parallel with the damping force control valve is provided in a piston. A communication path for communication between the first fluid path downstream of the damping force control valve and the pilot pressure chamber is provided.
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