HYDRAULIC PERCUSSIVE MECHANISM Russian patent published in 1994 - IPC

Abstract RU 2007562 C1

FIELD: mining industry. SUBSTANCE: the valve piston of the hydraulic percussive mechanism is made with a liquid travel speed governor positioned on part of the piston surface on the side of the exhaust chamber and separated from the pressure chamber by means of a seal and supporting surface of the valve piston, which provides for an increase of the time of the impact momentum. EFFECT: facilitated procedure. 5 cl, 2 dwg

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RU 2 007 562 C1

Authors

Poznjanskij Gennadij Iosifovich

Dates

1994-02-15—Published

1992-02-18—Filed