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:
Apr. 27, 2010
Filed:
Oct. 23, 2007
Shinya Kamada, Hiroshima, JP;
Junichi Doi, Hiroshima, JP;
Takamichi Teraoka, Hiroshima, JP;
Tokimori Saka, Hiroshima, JP;
Shinya Yamamoto, Hiroshima, JP;
Tatsuhiko Iwasaki, Hiroshima, JP;
Tatsutoshi Mizobe, Hiroshima, JP;
Hideo Toyota, Hiroshima, JP;
Naohiro Sakaue, Hiroshima, JP;
Norio Iwashita, Hiroshima, JP;
Shinya Kamada, Hiroshima, JP;
Junichi Doi, Hiroshima, JP;
Takamichi Teraoka, Hiroshima, JP;
Tokimori Saka, Hiroshima, JP;
Shinya Yamamoto, Hiroshima, JP;
Tatsuhiko Iwasaki, Hiroshima, JP;
Tatsutoshi Mizobe, Hiroshima, JP;
Hideo Toyota, Hiroshima, JP;
Naohiro Sakaue, Hiroshima, JP;
Norio Iwashita, Hiroshima, JP;
Mazda Motor Corporation, , JP;
Abstract
On an input shaft are provided in order from a side of an engine a torque converter with a lock-up clutch, a first planetary gear set as a multiplying mechanism, a counter drive gear outputting a rotational drive force to a countershaft, a second planetary gear set as a speed-change element, a third planetary gear set as a speed-change element. Accordingly, there can be provided an automatic transmission for six forward speeds with plural planetary gear sets, clutches and brakes that can properly reduce a clutch capacity and restrain gear noises with its compact and light-weighted structure.