Title:
BEARING AND BEARING UNIT
Document Type and Number:
Japanese Patent JP2018178875
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To liquefy an ambient fluid evaporated by temperature rise caused when a bearing is cooled.SOLUTION: A bearing includes: an inner ring 15; an outer ring 16; multiple rolling elements 17 disposed between the inner ring 15 and the outer ring 16; and a retainer 18 which retains the rolling elements 17. The bearing causes an ambient fluid having an ultralow temperature to pass through an internal space between the inner ring 15 and the outer ring 16 to perform cooling. The bearing includes a compression part 19 which pumps the ambient fluid into the internal space.SELECTED DRAWING: Figure 1
Inventors:
NISHIKAWA TAKASHI
Application Number:
JP2017080553A
Publication Date:
November 15, 2018
Filing Date:
April 14, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F04D29/58; F02K9/46; F02K9/60; F04D7/02; F04D29/049; F16C19/16; F16C19/54; F16C33/64; F16C35/12; F16C37/00
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Junya Yamamoto
Tsuyoshi Kumano
Junya Yamamoto