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Title:
DIFFERENTIAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/198845
Kind Code:
A1
Abstract:
A differential device wherein a first wave number (Z1) of a first hypocycloid line groove part (H1) on an input plate (7), a second wave number (Z2) of a first epicycloid line groove part (E1) on a first differential plate (3) and opposing the first hypocycloid line groove part, a third wave number (Z3) of a second hypocycloid line groove part (H2) on the first differential plate (3) and on the opposite side from the first epicycloid line groove part, and a fourth wave number (Z4) of a second epicycloid line groove part (E2) on a second differential plate (4) and opposing the second hypocycloid line groove part, are set as Z1=8, Z2=Z3=6, and Z4=4, or as Z1=Z4=6, Z2=4, and Z3=8. Thus, it is possible to provide a differential device that enables equal torque distribution and equal torque differential rotation via a cycloid speed reduction mechanism, without using a bevel gear or a center plate as in a conventional differential device.

Inventors:
NOGUCHI TAKANORI (JP)
HAMADA TETSURO (JP)
SAKATA SHOHEI (JP)
Application Number:
PCT/JP2015/066461
Publication Date:
December 30, 2015
Filing Date:
June 08, 2015
Export Citation:
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Assignee:
MUSASHI SEIMITSU INDUSTRY CO LTD (JP)
International Classes:
F16H48/05; F16H48/14
Foreign References:
JPH09144852A1997-06-03
JP2002005263A2002-01-09
JP2009195002A2009-08-27
JP2009121494A2009-06-04
JP2008157391A2008-07-10
Attorney, Agent or Firm:
OCHIAI Takeshi et al. (JP)
Ochiai 健 (JP)
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