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Title:
LUBRICATION STRUCTURE FOR DIFFERENTIAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/146486
Kind Code:
A1
Abstract:
Provided is a lubrication structure capable of allowing lubricating oil to efficiently flow from the opening end of the inboard section of a differential case into a helical groove. The opening end (42a) of an inboard section (42) is provided with: an end surface section (43) which comprises a surface located farthest from the center of a differential device (1) in the axial direction and perpendicular to the axial direction; a shelf section (44) which is located adjacent to the end surface section (43) in the circumferential direction of the opening end (42a) so as to be closer to the center than the end surface section (43) in the axial direction; and a sloped surface-shaped tapered section (45) which is formed so as to continue to the inner diameter side of the shelf section (44) of the opening end (42a) and which is sloped toward the inner diameter side of the opening end (42a) so as to approach the center. Lubricating oil supplied to the opening end (42a) of the inboard section (42) flows to the tapered section (45) through the shelf section (44) and flows from the tapered section (45) into a helical groove (80) formed in the inner peripheral surface (42c) of the inboard section (42).

Inventors:
YOSHIZAWA MASAHIRO (JP)
FUSHIMI KOICHI (JP)
FURUTA TAKEO (JP)
SASAKI YUUTO (JP)
MAEDA ERI (JP)
KURACHI SHINOBU (JP)
KOGA YUJI (JP)
Application Number:
PCT/JP2013/057915
Publication Date:
October 03, 2013
Filing Date:
March 19, 2013
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
F16H57/04; F16H48/08
Foreign References:
JPH0344261U1991-04-24
JP2006083876A2006-03-30
JP2002295644A2002-10-09
JPH07502331A1995-03-09
JPH07503306A1995-04-06
JPH08500659A1996-01-23
JPH11351360A1999-12-24
Attorney, Agent or Firm:
KAIZUKA, Ryohei et al. (JP)
Ryohei Kaizuka (JP)
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