Vehicular automatic transmission

Details Vehicular automatic transmission Vehicular automatic transmission

2011-08-23

2011-08-23

Ho, Ha D. (Department: 3655)

Planetary gear transmission systems or components

With lubricaton

Reexamination Certificate

active

08002660

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.

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Office Action issued Jul. 27, 2010, in Japanese Patent Application No. 2005-213750 (with English translation).
Japanese Office Action (with partial English translation) issued on Feb. 15, 2011, in counterpart Japanese Patent Application No. 2005-213750 (5 pages).

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