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:
Apr. 13, 2004

Filed:

Apr. 24, 2002
Applicant:
Inventors:

Shinichi Nishio, Wako, JP;

Hideki Takamatsu, Wako, JP;

Hideki Machino, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 4/102 ;
U.S. Cl.
CPC ...
B60K 4/102 ;
Abstract

A vehicular automatic transmission TM has a torque converter TC connected to the engine E and an automatic transmission mechanism (gear trains ) connected to the output side of the torque converter, the drive power from the engine for which gear shifting is performed via the torque converter and the automatic transmission mechanism is transmitted to the wheels and the vehicle is driven. The control apparatus for this automatic transmission mechanism has a towing state presumption device that presumes based on the driving conditions that the vehicle is in a towing state, and a lockup engagement increase mechanism that increases the degree of engagement of the lockup clutch of the torque converter when it is determined via the towing state determination device that the vehicle is in a towing state.


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