Title:
UNIT
Document Type and Number:
WIPO Patent Application WO/2024/062728
Kind Code:
A1
Abstract:
[Problem] To reduce the step ratio during gear shifting in a unit having a power transmission mechanism therein. [Solution] This unit comprises: an input element; an output element; and a gear device in which a first rotation part, a second rotation part, a third rotation part, and a fourth rotation part are arranged in this order on a velocity diagram. The input element is connectable to the first rotation part and connectable to the second rotation part. The output element is connected to the third rotation part. The fourth rotation part can switch between a rotation state and a non-rotation state. The gear device comprises a first epicyclic gear mechanism and a second epicyclic gear mechanism. The first rotation part is configured by a fourth rotation element. The second rotation part is configured by coupling a first rotation element and a fifth rotation element. The third rotation part is configured by coupling a second rotation element and a sixth rotation element. The fourth rotation part is configured by a third rotation element.
Inventors:
KAMIYAMA AKIRA (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
Application Number:
PCT/JP2023/024977
Publication Date:
March 28, 2024
Filing Date:
July 05, 2023
Export Citation:
Assignee:
JATCO LTD (JP)
International Classes:
F16H3/66
Foreign References:
| US20210387520A1 | 2021-12-16 | |||
| JPH08183356A | 1996-07-16 | |||
| JPS63297846A | 1988-12-05 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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