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:
Feb. 13, 1990
Filed:
Feb. 06, 1989
Shiro Sakakibara, Toyokawa, JP;
Aisin-Warner Kabushiki Kaisha, Anjo, JP;
Abstract
An automatic transmission for motor vehicles, including a first shaft rotatably supported by the automatic transmission case and consisting of an input shaft coupled with the engine output shaft through a joint like a fluid joint or a friction clutch and an output shaft disposed in series and coaxially with the input shaft and mounting an output gear; a second shaft consisting of a long shaft rotatably supported by the transmission case parallel with the first shaft and a short shaft rotatably mounted on the long shaft, one of the long and short shafts having an input gear connected to the output gear of the first shaft by direct meshing engagement therewith or through a chain or an idler gear while the other one having an output gear mounted thereon; a differential having a large drive gear connected to the output gear of the second shaft by direct meshing engagement therewith or through a chain or an idler gear; a first speed-changing planetary gear mechanism provided between the input and output shafts of the first shaft; and a second speed-changing planetary gear mechanism provided between the input and output shafts of the second shaft.