Title:
多段遊星ローラ式動力伝達装置
Document Type and Number:
Japanese Patent JP7367351
Kind Code:
B2
Abstract:
A multi-stage planetary roller power transmission device includes a high-speed power transmission mechanism including a first sun shaft, a first fixed ring, first planetary rollers disposed between the first sun shaft and the first fixed ring with a first negative clearance, first support shafts, and an annular first carrier into which the first support shafts are press-fitted; and a low-speed power transmission mechanism including a second sun shaft, a second fixed ring, second planetary rollers disposed between the second sun shaft and the second fixed ring with a second negative clearance, second support shafts, and an annular second carrier into which the second support shafts are press-fitted. A clearance amount of the first negative clearance and a clearance amount of the second negative clearance are equal to each other, and the number of the first planetary rollers is smaller than the number of the second planetary rollers.
Inventors:
Hajime Watanabe
Yuuichi Matsumoto
Yuuichi Matsumoto
Application Number:
JP2019115252A
Publication Date:
October 24, 2023
Filing Date:
June 21, 2019
Export Citation:
Assignee:
JTEKT Corporation
International Classes:
F16H13/08
Domestic Patent References:
| JP2002181148A | ||||
| JP63015355U | ||||
| JP50020432Y1 | ||||
| JP2005319945A |
Attorney, Agent or Firm:
Patent Attorney Corporation Suncrest International Patent Office