Title:
BEARING DEVICE AND BEARING SYSTEM
Document Type and Number:
Japanese Patent JP2022188891
Kind Code:
A
Abstract:
To obtain a bearing device which can apply a pre-load to a bearing with a simple structure, and to obtain a bearing system.SOLUTION: A bearing device 1 has: a first bearing mechanism 60 which is fitted in an inner peripheral surface of a sleeve through hole 40a; and a second bearing mechanism 70 which is fitted in an inner peripheral surface of a housing through hole 30a at a position offset from a sleeve 40. The first bearing mechanism 60 and the second bearing mechanism 70 rotatably support a rotary shaft 110. The sleeve 40 may slide relative to a housing 10. A pre-load space 50 exists between the inner peripheral surface of the housing through hole 30a and a sleeve intersection surface. A fluid may be supplied to the pre-load space 50. The sleeve intersection surface receives a pressure of the fluid supplied to the pre-load space 50 in a direction getting away from the second bearing mechanism 70. Thus, a pre-load can be applied to a bearing with a simple structure.SELECTED DRAWING: Figure 1
Inventors:
YAGI SHOJI
EBISU KATSUYA
BABA RYOTARO
EBISU KATSUYA
BABA RYOTARO
Application Number:
JP2021097154A
Publication Date:
December 22, 2022
Filing Date:
June 10, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC ENG
International Classes:
F16C25/08; F16C19/54; F16C33/78; F16C35/067; F16C35/12; F16C41/00
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Shunichi Ueda
Junichiro Yoshida
Takahiro Matsuoka
Kajinami order
Shunichi Ueda
Junichiro Yoshida
Takahiro Matsuoka