发明名称 Control Device
摘要 The present invention relates to a control device for an impulse-generating device for inducing a shock wave in a tool, in which said impulse-generating device comprises an impact element for transmitting said shock wave to said tool, a counter pressure chamber acting against the impact element and a device for reducing a pressure in the counter-pressure chamber. The control device comprises control means for regulating the reduction of the pressure in said computer-pressure chamber. The invention also relates to an impulse-generating device.
申请公布号 US2009032305(A1) 申请公布日期 2009.02.05
申请号 US20060919566 申请日期 2006.05.19
申请人 ATLAS COPCO ROCK DRILLS AB 发明人 WEDDFELT KENNETH
分类号 E21B44/06;B25D17/24 主分类号 E21B44/06
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