Title:
SENSOR UNIT, BEARING DEVICE, TRAIN DETECTION DEVICE, AND MOTOR
Document Type and Number:
Japanese Patent JP2023141894
Kind Code:
A
Abstract:
To provide a sensor unit capable of improving rigidity of a housing which holds a rolling bearing.SOLUTION: A sensor unit is disposed at least partially in a gap between: a first housing which holds a rolling bearing on an inner peripheral side and is equipped with a first strain gauge as a stress sensor on an outer peripheral side; and a second housing which holds the first housing on an inner peripheral side. The sensor unit includes: a cylindrical gauge fixing component at least partially disposed in the gap and having its outer peripheral surface fixed to the inner surface of the second housing; and a second strain gauge provided on the gauge fixing component. The second strain gauge is a noise sensor.SELECTED DRAWING: Figure 4
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Inventors:
IGUCHI YOJI
TAKIMOTO TATSUYA
FUJIURA HIDEO
UCHIDA YOJI
TAKIMOTO TATSUYA
FUJIURA HIDEO
UCHIDA YOJI
Application Number:
JP2022048465A
Publication Date:
October 05, 2023
Filing Date:
March 24, 2022
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
G01B7/16; F16C19/06; F16C19/52; F16C41/00; H02P29/00
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito
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