Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2020128801
Kind Code:
A
Abstract:
To lubricate a transmission mechanism efficiently.SOLUTION: A power transmission device includes: a planetary gear pair 4; and a case member (an inner cover 12 and an inner case 14) which houses the planetary gear pair 4. A connection part 453 which integrally rotates with a carrier 45 of the planetary gear pair 4 is provided at an inner periphery of a sun bear 41 of the planetary gear pair 4. Oil supplied from the outer periphery side of the case member through a supply passage 141a in the inner case 14 is introduced into a radial gap between the sun gear 41 and the carrier 45 side connection part 453 as lubrication oil.SELECTED DRAWING: Figure 3
Inventors:
UEHARA HIROKI
Application Number:
JP2019022147A
Publication Date:
August 27, 2020
Filing Date:
February 08, 2019
Export Citation:
Assignee:
JATCO LTD
International Classes:
F16H57/04; F16H3/54
Domestic Patent References:
| JP2016136054A | 2016-07-28 | |||
| JPH06323404A | 1994-11-25 |
Foreign References:
| WO2018207557A1 | 2018-11-15 | |||
| WO2018060446A1 | 2018-04-05 | |||
| DE102017104055A1 | 2017-09-07 |
Attorney, Agent or Firm:
Naohiko Takehara
Yuko Nakajima
Yuko Nakajima