Title:
FIXED-TYPE CONSTANT-VELOCITY UNIVERSAL JOINT
Document Type and Number:
WIPO Patent Application WO/2023/189122
Kind Code:
A1
Abstract:
A fixed-type constant-velocity universal joint 1 with eight balls driven to rotate by an electric motor uses a grease G having an initial consistency grade of 1 to 2 and an admixture stability of 390-440. Further, an initial pocket gap δ represented by the difference (H-DBALL) between the width H of a pocket 5a in the axial direction and the diameter DBALL of a torque transmission ball 4 is set to -21 to -6 μm.
Inventors:
KOBAYASHI TOMOSHIGE (JP)
Application Number:
PCT/JP2023/007431
Publication Date:
October 05, 2023
Filing Date:
February 28, 2023
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16D3/20; F16D3/2245
Foreign References:
| JP2002005186A | 2002-01-09 | |||
| JP2021011911A | 2021-02-04 | |||
| JP2013032813A | 2013-02-14 | |||
| JP2015175475A | 2015-10-05 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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