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Patent Searching and Data


Title:
MOTOR DRIVE DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP2017048854
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lubricating structure capable of supplying sufficient lubricating oil to an outer peripheral engagement member of a cycloid reduction gear in a motor drive device for a vehicle equipped with a cycloid reduction gear.SOLUTION: A lubricating oil circuit for lubricating a speed reduction part includes an oil tank (53) provided in a casing (22b), an oil pump for sucking lubricating oil from the oil tank and delivering the lubricating oil to the speed reduction part side, a communication oil passage extending from a delivery port of the oil pump to a ring plate, a circumferential direction oil passage (76) provided on ring plates (27c and 27d) and extending to the circumferential direction of the ring plate to be connected with the communication oil passage, and a plurality of oil holes (77) provided on the ring plate and directed to an upper side of an outer peripheral engagement member (27) so as to supply the lubricating oil from the circumferential direction oil passage to the upper side of the outer peripheral engagement member.SELECTED DRAWING: Figure 3

Inventors:
ENZO TOSHIAKI
Application Number:
JP2015172844A
Publication Date:
March 09, 2017
Filing Date:
September 02, 2015
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H1/32; F16H57/04; H02K7/116
Attorney, Agent or Firm:
Patent Business Corporation Imy International Patent Office