Tool driving or impacting – Work cleansing – Cleansing fluid pump operated by drive
Patent
1989-04-28
1991-02-19
Bell, Paul A.
Tool driving or impacting
Work cleansing
Cleansing fluid pump operated by drive
173 57, 173 73, 91325, B23B 4516
Patent
active
049935011
ABSTRACT:
A hydraulic hammer is provided, suitable for use as a crust-breaker of aluminum electrolysis pots, having a hydraulically actuated beating mass reciprocally movable in a cylindr to strike against a tool, an intake duct with a filter and a one way valve for conveying external air into a top chamber defined by the rear face of the beating mass, the inner surface of the cylinder and the upper base of the cylinder during the downward stroke of the beating mass, a connection duct with a one way valve for conveying the filtered air contained in the top chamber into a bottom chamber defined by the front face of the beating mass, the inner surface of the cylinder and the rear face of the tool during the upwards movement of the beating mass, so that an over pressure is created in the bottom chamber to exclude dust, etc., from entering through the clearance between the tool and the guide bushing.
REFERENCES:
patent: 2423787 (1947-07-01), Mosena
patent: 2906244 (1958-09-01), Christensen
patent: 3154154 (1964-10-01), Wicklund
patent: 3973633 (1976-08-01), Brannstrom
patent: 4174010 (1979-11-01), Hibbard
patent: 4553610 (1985-11-01), Pelto-Huikko et al.
Bell Paul A.
Fridie, Jr. Willmor
TECHMO Car S.p.A
LandOfFree
Hydraulic hammer in particular for use in dusty and/or corrosive does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic hammer in particular for use in dusty and/or corrosive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic hammer in particular for use in dusty and/or corrosive will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1135942