Bearing lubrication system for extension housing of vehicular tr

Lubrication – Systems – With guard

Patent

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Details

184 8, 184 612, F01M 1106

Patent

active

046217100

ABSTRACT:
A bearing lubrication system for an extension housing of automatic transmission, including an extension housing connected to a transmission case, a valve casing of a hydraulic control system fastened to the transmission case, a transmission output shaft supported in the extension housing, and a sleeve yoke splined to the output shaft and fitted in a bearing portion of the extension housing through a bearing, characterized in that the lubrication system is provided with a forced lubrication means comprising: a bearing lubricant tapping passage branched off from a lubricant oil passage or line pressure conduit in the transmission case or in the valve casing; a bearing lubricant supply passage communicating the bearing lubricant tapping passage with the bearing portion of the extension housing; and a flow control throttle provided in the bearing lubricant tapping passage or in the bearing lubricant supply passage.

REFERENCES:
patent: 314934 (1885-03-01), Hartnett
patent: 4090748 (1978-05-01), Sugimoto et al.
patent: 4329887 (1982-05-01), Kawamoto
patent: 4348914 (1982-09-01), Kawamoto
patent: 4400989 (1983-08-01), Ikemoto et al.
patent: 4448089 (1984-05-01), Ikemoto et al.

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