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. 24, 2007

Filed:

Dec. 17, 2004
Applicants:

Hyun Soo Shim, Gwangmyeong, KR;

Byeong Wook Jeon, Seoul, KR;

Inventors:

Hyun Soo Shim, Gwangmyeong, KR;

Byeong Wook Jeon, Seoul, KR;

Assignee:

Hyundai Motor Company, Seocho-Ku, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Whenever a 4 to 3 shift condition is satisfied during a 3 to 4 upshift, 4 to 3 shifting is started before the 3 to 4 shifting is finished. The 4 to 3 shifting is executed according to a predetermined hydraulic control pattern. Therefore, responsiveness in shifting is enhanced.


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