Rotational speed measuring device for a transmission and method for measuring rotational speed

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United States of America Patent

PATENT NO 9995760
SERIAL NO

14903933

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A rotational speed measuring device for measuring the rotational speed on coaxially arranged drive shafts is described, wherein a first drive shaft is formed as an inner shaft in a second drive shaft embodied as a hollow shaft. The hollow shaft has at least one opening and a rotational speed encoder which is arranged on the inner shaft and can be detected through the opening of the hollow shaft. A rotational speed sensor is arranged on the outer side of the hollow shaft and is configured to pick up the rotational speed on the rotational speed encoder. A corresponding method for measuring the rotational speed on coaxially arranged drive shafts is also disclosed.

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Patent Owner(s)

  • AUDI AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fleischmann, Hans-Peter Stammham, DE 14 118

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