发明名称 TWO-SPEED SHIFT ON DEMAND AUGER DRIVE
摘要 A hydraulic auger system having a hydraulic motor capable of two speed operation, the motor including an output shaft which may rotate and a connected auger. A pressure sensitive kick down valve unit is connected to the hydraulic motor, whereby the unit determines the speed state of said hydraulic motor, based on resistance to rotation of auger, auger speed, or sensed hydraulic pressure.
申请公布号 US2002020563(A1) 申请公布日期 2002.02.21
申请号 US19980157071 申请日期 1998.09.18
申请人 BAKA GREG J. 发明人 BAKA GREG J.
分类号 E21B3/02;E21B44/04;(IPC1-7):E21B3/02 主分类号 E21B3/02
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