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Title:
BEARING DEVICE AND SPINDLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159838
Kind Code:
A1
Abstract:
Provided is a bearing (1) including an inner ring (4), an outer ring (2), a rolling body (3), and a cage (5). Also provided is a bearing device provided with the bearings (1) and heat flux sensors (7) each disposed at the outer ring (2) to detect a heat flux. The bearing device has a structure for holding spacers between the bearings (1) and supports a rotating body. The spacers include an outer ring spacer (13) and an inner ring spacer (14). The heat flux sensor (7) is disposed on a nonrotating spacer among the inner ring spacer (14) and the outer ring spacer (13).

Inventors:
SHIBUYA YUSUKE (JP)
KOIKE TAKASHI (JP)
FUKUSHIMA YASUYUKI (JP)
Application Number:
PCT/JP2019/004617
Publication Date:
August 22, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C41/00; F16C19/14; F16C19/52; F16C19/54
Foreign References:
JP2017187451A2017-10-12
JP2016131004A2016-07-21
JP2002340922A2002-11-27
JP2017187450A2017-10-12
JP2017090318A2017-05-25
JP2017026078A2017-02-02
JP2016166832A2016-09-15
JP2009068533A2009-04-02
Other References:
See also references of EP 3754218A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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