Title:
BEARING
Document Type and Number:
Japanese Patent JP2019143765
Kind Code:
A
Abstract:
To provide a bearing with a sensor which has a simple structure and incorporates a power generation function.SOLUTION: A bearing 1 includes: an outer ring 2; multiple rolling elements 4; an inner ring 3; a retainer 5; seal members 6, 7; a sensor 8; a transmission part 9; and a power generation part 10. The sensor 8 is installed at the seal member 7 and detects state information of the bearing 1. The transmission part 9 transmits the state information detected by the sensor 8 to an exterior. The power generation part 10 is disposed so as to face a bearing space sandwiched by the outer ring 2 and the inner ring 3 and generates electric power to be supplied to the sensor 8 and the transmission part 9. The power generation part 10 includes an element which converts stress into electromotive force.SELECTED DRAWING: Figure 1
Inventors:
KOIKE TAKASHI
FUKUSHIMA YASUYUKI
SHIBUYA YUSUKE
FUKUSHIMA YASUYUKI
SHIBUYA YUSUKE
Application Number:
JP2018030698A
Publication Date:
August 29, 2019
Filing Date:
February 23, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C41/00; F16C19/06; F16C19/52; F16C33/78
Domestic Patent References:
| JP2016084843A | 2016-05-19 | |||
| JP2016195474A | 2016-11-17 | |||
| JP2013124874A | 2013-06-24 | |||
| JP2014219078A | 2014-11-20 | |||
| JP2011069402A | 2011-04-07 | |||
| JP2009077614A | 2009-04-09 |
Foreign References:
| CN203968010U | 2014-11-26 |
Attorney, Agent or Firm:
Fukami patent office