Separate hydraulic unit with cooling of oil

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United States of America Patent

PATENT NO 9670942
APP PUB NO 20150013321A1
SERIAL NO

14379384

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Abstract

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A separate hydraulic power pack for providing at least one user with an oil flow. The hydraulic unit includes a motor, a hydraulic pump driven by the motor, a tank, an oil inlet, an oil outlet, a heat exchanger, and a first conduit system for oil. The first conduit system connects at least the oil inlet, the heat exchanger, the oil tank, the hydraulic pump and the oil outlet. The heat exchanger is provided for liquid cooling of the oil. A cooling liquid inlet for connection to a cooling liquid source, a first cooling liquid outlet and a second conduit system for a cooling liquid.

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Patent Owner(s)

Patent OwnerAddress
EPIROC DRILLING TOOLS AKTIEBOLAGP O BOX 521 737 25 FAGERSTA 737 25

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Danielsson, Torkel Nybro, SE 17 138
Karlsson, Magnus Ljungbyholm, SE 132 1564

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