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Title:
BEARING DEVICE AND ELECTRIC VERTICAL TAKE-OFF AND LANDING CRAFT
Document Type and Number:
WIPO Patent Application WO/2022/210559
Kind Code:
A1
Abstract:
According to the present invention, a first seal (9) and a second seal (10) sandwich a retainer (8), thereby sealing an annular space between an outer ring (5) and an inner ring (6). A stator (12) including a coil (16) is supported by the first seal (9) and faces a magnetic ring (13). A sensor (20), a wireless communication circuit (23) and a power supply circuit (19) are supported by the second seal (10). A wire (11) electrically connects the coil (16) and the power supply circuit (19). The wire (11) has a portion disposed inside a groove (5b) that extends in the axial direction of a bearing (2) in the outer circumferential surface of the outer ring (5).

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Inventors:
KOIKE TAKASHI (JP)
SHIBUYA YUSUKE (JP)
Application Number:
PCT/JP2022/015054
Publication Date:
October 06, 2022
Filing Date:
March 28, 2022
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B64C27/04; F16C19/06; F16C33/76; F16C41/00; F16J15/326; H02K11/20
Foreign References:
US4688951A1987-08-25
JP2017072170A2017-04-13
JP2002130263A2002-05-09
JP2017026027A2017-02-02
JP2019074098A2019-05-16
JP2008281025A2008-11-20
JP2021037935A2021-03-11
JP2014092225A2014-05-19
JP2017072170A2017-04-13
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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