Oil pump driving mechanism
AssigneeJATCO Ltd
InventorKenichi MAKITA
Life of this patent
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Abstract
When an engaging pawl 23b is fitted into a recessed portion 34b of a first sprocket 34, which is linked by a chain 33 to a second sprocket 32 that drives an oil pump 3 disposed at a radial detached from a torque converter 2, frictional resistance between a side face 34a of the first sprocket 34 and an end face 23c of the engaging pawl 23b is reduced by tapering the side face 34a of the first sprocket 34.
Claims7
An oil pump driving mechanism having a linking mechanism that links a first sprocket, which is linked by a chain to a second sprocket that drives an oil pump disposed in a radially detached position from a rotary shaft of a torque converter and rotates about the rotary shaft of the torque converter, and an engaging pawl of the torque converter, wherein
- the linking mechanism comprises:
- a recessed portion which extends axially from a side face of the first sprocket facing the torque converter and into which the engaging pawl of the torque converter is inserted;
- and
- a friction reducing mechanism provided on at least one of the side face and the engaging pawl.
Dependencies are inferred from the claim text.