发明名称 METHOD AND APPARATUS FOR MONITORING OPERATION OF PERCUSSION DEVICE
摘要 <p>A method and an apparatus for monitoring the operation of a percussion device, which percussion device (1) comprises a percussion piston (3) and a pressure channel (5) for supplying pressure medium to the percussion device (1) for moving the percussion piston (3). The method and the apparatus measure pressure pulsation of the pressure medium acting in the pressure channel (5), which pressure pulsation is depicted as a pressure curve (10). From pressure pulsation are determined parameters depicting the operating state of the percussion device (1) and the operating state of the percussion device (1) is determined on the basis of said parameters.In addition, an arrangement for controlling the operation of the percussion device on the basis of the operating state of the percussion device (1).</p>
申请公布号 WO2003033216(A1) 申请公布日期 2003.04.24
申请号 FI2002000808 申请日期 2002.10.17
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