E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 44/06 (2006.01) B25D 17/24 (2006.01)
Patent
CA 2608135
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 counter-pressure chamber. The invention also relates to an impulse- generating device.
La présente invention concerne un dispositif de commande pour un générateur d'impulsions permettant d'induire une onde de choc dans un outil. Ledit générateur d'impulsions comprend un élément d'impact destiné à transmettre l'onde de choc à l'outil, une chambre de contre-pression réagissant à l'élément d'impact et un dispositif de réduction de la pression dans la chambre de contre-pression. Le dispositif de commande comporte un moyen de commande destiné à réguler la réduction de la pression dans la chambre de contre-pression. L'invention concerne également un générateur d'impulsions.
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
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