Title:
UNIT
Document Type and Number:
WIPO Patent Application WO/2024/062723
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 is provided with an input element, an output element, and a gear device in which a first rotation site, second rotation site, third rotation site, and fourth rotation site are arranged in the stated order in a velocity diagram. The input element can connect to the first rotation site and to the second rotation site, the output element is connected to the third rotation site, and the fourth rotation element can switch between a rotating state and a non-rotating state. The gear device is provided with a first planetary gear mechanism and a secondary planetary gear mechanism. The first rotation site is constituted of a third rotational element. The second rotation site is constituted by linking a second rotational element and a sixth rotational element. The third rotation site is constituted of a fifth rotational element. The fourth rotation site is constituted by linking a first rotational element and a fourth rotational element.
Inventors:
KAMIYAMA AKIRA (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
Application Number:
PCT/JP2023/024876
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 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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