Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2016148434
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve the assembling performance of a power transmission device while suppressing an increase of a manufacturing cost of the power transmission device.SOLUTION: A power transmission device includes: a radial bearing 147 which is arranged between a support part 112b of a cover member 112 and a sleeve 141 of a pump impeller 140; a drive sprocket 181 which rotates integrally with the sleeve 141, and is connected to an oil pump 17 arranged on a shaft different from an input shaft 20i of an automatic transmission via a chain 18; and a first washer 100 which is arranged between the support part 112b and the drive sprocket 181. The cover member 112 has a retention hole which extends to an axial direction from an end face of the support part 112b so as to communicate with an oil hole 112c which introduces oil to the radial bearing 147, and a first washer 100 has a retention protrusion 103 which protrudes from a ring part 101, is inserted into the retention hole, and engaged with an internal peripheral face of the oil hole 112c.SELECTED DRAWING: Figure 4
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Inventors:
NISHIZAWA YASUKI
OGURA DAISUKE
OGURA DAISUKE
Application Number:
JP2015026679A
Publication Date:
August 18, 2016
Filing Date:
February 13, 2015
Export Citation:
Assignee:
AISIN AW CO
International Classes:
F16H41/30; F16H41/02; F16H57/023; F16H57/04
Attorney, Agent or Firm:
Aitec International Patent Office