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.:
Date of Patent:
Aug. 10, 2010
Filed:
Oct. 30, 2006
Midori Yamaguchi, Yokohama, JP;
Yoshihisa Kodama, Yokohama, JP;
Tatsuya Ozone, Kanagawa, JP;
Toshiji Iida, Kanagawa, JP;
Fumito Shinohara, Kanagawa, JP;
Toshiyuki Shibuya, Kanagawa, JP;
Atsufumi Kobayashi, Kanagawa, JP;
Yusuke Kimura, Yokohama, JP;
Midori Yamaguchi, Yokohama, JP;
Yoshihisa Kodama, Yokohama, JP;
Tatsuya Ozone, Kanagawa, JP;
Toshiji Iida, Kanagawa, JP;
Fumito Shinohara, Kanagawa, JP;
Toshiyuki Shibuya, Kanagawa, JP;
Atsufumi Kobayashi, Kanagawa, JP;
Yusuke Kimura, Yokohama, JP;
JATCO Ltd, Fuji-shi, JP;
Abstract
A control apparatus for an automatic transmission includes a control section having a normal control section configured to actuate the step motor at a first speed by using a feedback control including an integral control in accordance with the target pulley ratio and the actual pulley ratio, a high speed control section configured to actuate the step motor at a second speed higher than the first speed by an open loop control based on the target pulley ratio, a judgment section configured to judge whether there is a high speed operation request, and a switch section configured to select the normal control performed by the normal control section at a normal condition, and to switch to the high speed control when a switch start condition is satisfied, the switch start condition including a first condition that the judgment section judges there is the high speed operation request.