Electromagnetic type quasi-zero stiffness absolute displacement sensor

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United States of America Patent

PATENT NO 10753770
SERIAL NO

16183512

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Abstract

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An electromagnetic type quasi-zero stiffness absolute displacement sensor that includes an intermediate shaft, upper end cover, first sliding bearing arranged on the upper end cover, upper housing fixedly connected to the upper end cover, electromagnetic coil fastened onto an inner wall of the upper housing, spiral spring, spring support connected to a lower end of the spiral spring, force sensor fastened onto a lower end surface of the spring support, lower end cover fastened onto lower end surface of the force sensor, and a lower housing connected to the lower end cover; the intermediate shaft sequentially passes through, from top down, the first sliding bearing, upper end cover, and electromagnetic coil, and is connected to an upper end of the spiral spring; and the upper housing is provided therein with a ring permanent magnet that is nested on the intermediate shaft and is not in contact with the electromagnetic coil.

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Patent Owner(s)

Patent OwnerAddress
SHANGHAI UNIVERSITY200444 NO 99 UPPER ROAD SHANGHAI BAOSHAN DISTRICT SHANGHAI CITY SHANGHAI CITY 200444

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Yuanyuan Shanghai, CN 52 351
Luo, Jun Shanghai, CN 335 1637
Peng, Yan Shanghai, CN 104 388
Pu, Huayan Shanghai, CN 28 33
Sun, Yi Shanghai, CN 241 3358
Wang, Min Shanghai, CN 957 5670
Xie, Shaorong Shanghai, CN 25 31
Yang, Yi Shanghai, CN 539 1876
Zhao, Jinglei Shanghai, CN 7 10

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