The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2022

Filed:

Mar. 03, 2021
Applicants:

Ningbo Umd Automatic Transmission Co., Ltd, Ningbo, CN;

Zhejiang Geely Holding Group Co., Ltd, Hangzhou, CN;

Inventors:

Weiqian Xie, Ningbo, CN;

Lin Zhu, Ningbo, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 3/72 (2006.01); F16H 3/00 (2006.01);
U.S. Cl.
CPC ...
F16H 3/006 (2013.01); F16H 3/727 (2013.01); F16H 2003/007 (2013.01); F16H 2200/2007 (2013.01); F16H 2200/2038 (2013.01);
Abstract

A transmission and a power system for use in a hybrid vehicle. A first ring gear or a first planetary frame is drivingly connected with an output gear of the transmission to serve as an output member, when either the first ring gear or the first planetary frame is drivingly connected with the output gear, the other one is connected with a casing of the transmission via a brake. A second clutch is configured as: when the brake is disengaged, the second clutch is engaged to make the rotational speed of the output member equal to the rotational speed of an input shaft. The transmission and the power system are structurally compact, work steadily, and effectively increase the acceleration performance of the hybrid vehicle.


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