Control device

Details Control device Control device

2006-05-19

2011-11-08

Thompson, Kenneth L (Department: 3672)

Boring or penetrating the earth

Below-ground impact members

C175S296000, C173S206000, C173S207000

Reexamination Certificate

active

08051926

ABSTRACT:
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.

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