Rock breaking machine and method for storing pressure energy

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United States of America Patent

PATENT NO 12083663
APP PUB NO 20230069735A1
SERIAL NO

17796336

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A pressure accumulator, rock breaking machine and method of storing pressure energy. The accumulator includes a casing and an elastic membrane arranged inside the casing. The membrane divides an inner space of the casing into two separate pressure spaces. A gas space is prefilled with pressurized gas. On the opposite side of the membrane is a hydraulic space for receiving hydraulic fluid. The membrane is a hat-like element having side walls, a mounting flange at its open end and a closed top end. The mounting flange of the membrane is mounted between the casing and a flange element. The accumulator is without a screen. The flange element is provided with a sealing for sealing a piston.

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Patent Owner(s)

Patent OwnerAddress
SANDVIK MINING AND CONSTRUCTION OY33330 TAMPERE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Airas, Erik Tampere, FI 2 0

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