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. 23, 2011
Filed:
Jun. 01, 2006
Naoki Kato, Aichi-gun, JP;
Naoki Kato, Aichi-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A vehicular automatic transmission including first and second shafts coaxially splined to each other at their adjacent axial end portions, and a lubrication system including: first and second lubrication passages formed through the respective first and second shafts in their axial direction, in communication with each other through the adjacent axial end portions, oil outlet holes in communication with the lubrication passages and spaced apart from each other in the axial direction, and first and second oil inlet holes formed through the respective first and second rotary shafts such that the oil outlet holes are located between the oil inlet holes and the adjacent axial end portions of the shafts, so that lubricating oil introduced into the lubrication passages through the respective oil inlet holes flows through the lubrication passages toward the adjacent axial end portions of the shafts.