HYDRAULIC HAMMER Russian patent published in 1994 - IPC

Abstract RU 2010905 C1

FIELD: building. SUBSTANCE: hydraulic hammer has power cylinder, distributing device with rotary spool valve provided with channels disposed in plane perpendicular to axis of rotation and directed perpendicularly to spool valve radius. Channels are positioned at a distance from valve generatrix and are connected with discharge line. Valve has two pairs of additional sockets of different length. This makes it possible to control double-acting power cylinder with piston rod serving as striker, featuring asymmetrical movement, i. e. slow idle stoke upwards and rapid working stroke downwards. Rotation is effected with the aid of waste liquid. EFFECT: improved efficiency and simplified design. 5 dwg

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RU 2 010 905 C1

Authors

Grud'Ko Andrej Nikolaevich

Ramazanov Rustam Dzhalilovich

Stankevich Stanislav Antonovich

Dates

1994-04-15Published

1992-03-10Filed