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.

Patent No.:

US 7785231 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 31, 2010

Filed:

Sep. 05, 2007
Applicants:

Nobufusa Kobayashi, Anjo, JP;

Toshio Sugimura, Nagoya, JP;

Tomohiro Asami, Nisshin, JP;

Takaaki Tokura, Nagoya, JP;

Tomohiro Kondo, Toyota, JP;

Masami Kondo, Toyota, JP;

Masaharu Tanaka, Toyota, JP;

Inventors:

Nobufusa Kobayashi, Anjo, JP;

Toshio Sugimura, Nagoya, JP;

Tomohiro Asami, Nisshin, JP;

Takaaki Tokura, Nagoya, JP;

Tomohiro Kondo, Toyota, JP;

Masami Kondo, Toyota, JP;

Masaharu Tanaka, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gear shift controlling apparatus of an automatic transmission for a vehicle has a synchronization-time engagement pressure correcting device that, before synchronization of gear-shifting, makes an increase correction of an engagement pressure of the disengaged-side engaging element by a first prescribed amount, to cause an input shaft rotational speed immediately before synchronizing of the automatic transmission to approach a rotational speed calculated by multiplying an output shaft rotational speed by a gear ratio of a gear after gear-shifting the automatic transmission.


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Kobayashi, Nobufusa. (2010). Automatic transmission controlling apparatus and method (U.S. Patent No. 7785231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7785231

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