Title:
UNIT
Document Type and Number:
WIPO Patent Application WO/2024/062732
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 site, a second rotation site, a third rotation site, and a 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 site can switch between a rotating state and a non-rotating state. The gear device comprises a first planetary gear mechanism and a second planetary gear mechanism. The first rotation site is constituted of a sixth rotating element, the second rotation site is constituted by coupling of a first rotating element and a fifth rotating element, the third rotation site is constituted of a second rotating element, and the fourth rotation site is constituted by coupling of a third rotating element and the fourth rotating element.
Inventors:
KAMIYAMA AKIRA (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
WATANABE KENICHI (JP)
HIROSE IKUO (JP)
Application Number:
PCT/JP2023/025011
Publication Date:
March 28, 2024
Filing Date:
July 05, 2023
Export Citation:
Assignee:
JATCO LTD (JP)
International Classes:
F16H3/66
Foreign References:
| US20150167789A1 | 2015-06-18 | |||
| US20150087464A1 | 2015-03-26 | |||
| US20120316021A1 | 2012-12-13 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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