Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2016187252
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lubrication structure of in-wheel motor drive device, capable of supplying oil to a part to be supplied with one pump when a wheel rotates in a forward or reverse direction.SOLUTION: A rotary type pump (51) in a lubrication oil circuit includes: lubrication oil flow paths (52f, 54f) of a first system having a first suction port (51if) connected to an oil tank (53), a first delivery port (51of) connected to a deceleration part and corresponding to a forward rotational direction as indicated by an arrow; and lubrication oil flow paths (52 s, 54 s) of a second system having a second suction port (51is) connected to the oil tank, a second delivery port (51os) connected to the deceleration part and corresponding to a reverse rotational direction opposite to the arrow. One-way valves (66f, 66 s, 67f, 67 s) make one system open and the other system shut, respectively, according the rotational direction of the deceleration part.SELECTED DRAWING: Figure 10
Inventors:
ITO TAKESHI
Application Number:
JP2015066454A
Publication Date:
October 27, 2016
Filing Date:
March 27, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
H02K7/116; B60K7/00; F04C2/10; F04C15/00; F04C15/06; F16H1/32; F16H57/04
Attorney, Agent or Firm:
Patent Business Corporation Imy International Patent Office
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