Piston-cylinder unit with evaluation unit for determining the piston position

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United States of America Patent

PATENT NO 9778015
SERIAL NO

14530279

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Abstract

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The present disclosure relates to a piston-cylinder unit with a cylinder jacket and a piston rod longitudinally shiftably guided in the cylinder jacket as well as an evaluation unit which determines the position of the piston rod with respect to the cylinder jacket by the intrinsic electrical properties of an interconnection of cylinder jacket, piston rod and piston, wherein the piston rod is short-circuited against the cylinder or the cylinder head in a manner suitable for high frequencies via one or more contact elements in the region of the exit opening of the piston rod out of the cylinder head.

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Patent Owner(s)

Patent OwnerAddress
LIEBHERR-ELEKTRONIK GMBH88131 LINDAU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dropmann, Markus Lindau, DE 1 3
Engler, Alfred Sigmarszell, DE 7 41

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