Title:
BEARING DEVICE AND STRAIN DETECTION DEVICE
Document Type and Number:
Japanese Patent JP2023166819
Kind Code:
A
Abstract:
To provide a bearing device that has a strain gauge, and can output information indicating a rotational direction and a rotational angle of a rotational shaft.SOLUTION: A bearing device has: a rolling bearing that comprises an outer ring, an inner ring arranged coaxially with the outer ring on an inner peripheral side of the outer ring, and a plurality of rolling elements arranged between the outer ring and the inner ring; and a plurality of strain gauges arranged at different positions on a concentric circle centered on an axial line on an outer circumferential side of the outer ring, in a cross-sectional view in a direction perpendicular to the axial line of the rolling bearing. The plurality of strain gauges comprises one or more first strain gauges; and a second strain gauge arranged adjacent to one of the first strain gauges in a circumferential direction of the concentric circle.SELECTED DRAWING: Figure 1
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Inventors:
UCHIDA YOJI
FUJIURA HIDEO
TAKIMOTO TATSUYA
IGUCHI YOJI
MARUYAMA TOMOHIRO
FUJIURA HIDEO
TAKIMOTO TATSUYA
IGUCHI YOJI
MARUYAMA TOMOHIRO
Application Number:
JP2022077624A
Publication Date:
November 22, 2023
Filing Date:
May 10, 2022
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
G01B7/30; F16C19/06; F16C41/00
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito