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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 6514174 B1

PDFFull Text
Expired
Date of Patent:
Feb. 04, 2003

Filed:

Aug. 02, 2001

Shift control system for automatic transmission

Applicant:
Inventors:

Toshiji Iida, Fuji, JP;

Tateki Jouzaki, Fuji, JP;

Tatsuo Ochiai, Fuji, JP;

Naoya Inoue, Fuji, JP;

Akira Hino, Fuji, JP;

Assignee:

Jatco Transtechnology Ltd., , JP;

Attorney:

Rossi & Associates

Primary Examiner:

Sherry Estremsky

Int. Cl.
CPC ...
F16H 6/116 ;
U.S. Cl.
CPC ...
F16H 6/116 ;
Abstract

A shift control system for an automatic transmission which has a gear ratio control means for controlling gear ratio of the automatic transmission comprises a lower limit setting device provided in said gear ratio control means and setting a lower limit for inhibiting a gear ratio from changing to a gear ratio of an upshift side; and a lower limit variable control means in which a lower limit of said gear ratio can be changed to a downshift side or to an upshift side by an operation of a driver.

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Iida, Toshiji. (2003). Shift control system for automatic transmission (U.S. Patent No. 6514174). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6514174

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