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:
Sep. 22, 1998
Filed:
Jan. 30, 1996
Shinya Kamada, Hiroshima, JP;
Koichi Yamamoto, Hiroshima, JP;
Tomoo Sawazaki, Higashihiroshima, JP;
Hiroshi Shinozuka, Hiroshima, JP;
Kazushi Kurokawa, Hiroshima, JP;
Takamichi Teraoka, Hiroshima, JP;
Masakazu Hombo, Hiroshima, JP;
Naotaka Hirami, Hiroshima, JP;
Yasunori Kanda, Higashihiroshima, JP;
Akinobu Aoki, Higashihiroshima, JP;
Tatsuhiko Iwasaki, Hiroshima-ken, JP;
Takeyoshi Kawa, Hiroshima, JP;
Kenji Sawa, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima-ken, JP;
Abstract
A control system for an automatic transmission having at least a friction coupling element which is coupled with a hydraulic pressure increasing by way of a leveled transitional pressure has an accumulator which discharge a high level of pressure accumulated therein into the friction coupling element during a gear shift under the condition where the line pressure is low.