Electrically driven hammer machine

Details Electrically driven hammer machine Electrically driven hammer machine

B - Operations, Transporting

25

D

342/29.4

B25D 11/06 (2006.01) B25D 11/00 (2006.01) B25D 11/12 (2006.01) B25D 16/00 (2006.01)

Patent

CA 1205165

Abstract: An electrically driven hammer machine comprising a driving piston (103) and a hammer piston (104) driven by the driving piston via a pressure gas cushion (106). The driving piston is driven by a brushless alternating current motor (101) via a crank mechanism (105). A solid state inverter (107) in the power supply conduit (102) supplies power of variable amplitude and frequency to the motor.

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