Patent ID: 8312968
Filing Date: 2012-11-20
Classification: F16H,Y10T

Abstract:
1. An automatic transmission, comprising: a converter case storing a torque converter; a transmission case storing a transmission mechanism, the transmission case connecting to the converter case at a front thereof and having a rear wall portion to close an end at a rear thereof; a lubricating-oil introduction passage provided at the converter case to introduce lubricating oil; a rear-side lubricating-oil supply passage provided at the rear wall portion to supply the lubricating oil to the transmission mechanism; a lubricating-oil supply pipe positioned in a space which is enclosed by the converter case and the transmission case and extending from the converter case to the rear wall portion of the transmission case, an upstream end of which connects to the lubricating-oil introduction passage provided at the converter case and a downstream end of which connects to the rear-side lubricating-oil supply passage provided at the rear wall portion of the transmission case, wherein both end portions of said lubricating-oil supply pipe are inserted into and supported by support holes formed respectively at a front wall portion and the rear wall portion of the transmission case, and said lubricating-oil supply pipe is sandwiched between the converter case and the transmission case and directly supplies the lubricating oil which is introduced into the lubricating-oil introduction passage provided at the converter case to the rear-side lubricating-oil supply passage provided at the rear wall portion of the transmission case therethrough.