Power Transmission Device for VehicleA first variable relief valve (A) allows the flow of a hydraulic oil from a first main line (A) to a second main line (B) to be in a blocking state in a case the pressure of the first main line (A) is…DRIVE·Jan 23·2 min readFollowE02F9/2267Hitachi Construction Machinery Co., Ltd.
UNLOADING VALVEA spool 33 provided with a flange 39 is inserted in a spool bore 32, and a pressing force of a spring 52 is always applied through the flange 39 to the spool 33 at its one end in a second pressure cha…DRIVE·May 15·2 min readFollowE02F9/2267HITACHI CONSTRUCTION MACHINERY [JP]
