Linear actuator

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United States of America Patent

PATENT NO 8453530
APP PUB NO 20100206103A1
SERIAL NO

12452966

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Linear actuator device, comprising a housing (2), an externally threaded screw (5) mounted to a piston (9), an internally threaded extended nut (7) and a motor (16) comprising a stator (33) and a rotor element (30) positioned around the extended nut (7), wherein a plurality of first magnets (31) of the rotor element (30) are positioned in relation to the stator (33) such that the stator (33) lies between the extended nut (7) and the first magnets (31) of the rotor element (30). The advantage of the invention is that linear actuators with a high energy density can be manufactured in an easy and cost-effective manner.

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Patent Owner(s)

Patent OwnerAddress
AB SKF415 50 GÖTEBORG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duits, Johannes Andrianus Maria Bodegraven, NL 10 87
Eberle, Patric Hersberg, CH 2 16

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