Title:
A GEAR HOUSING FOR A PLANETARY GEAR DEVICE THAT STRUCTURALLY ISOLATES AN INNER GEAR
Document Type and Number:
WIPO Patent Application WO/2021/024953
Kind Code:
A1
Abstract:
[Technical Problem] To provide separate structural units for an inner gear and a housing, that suppress vibration transmitted from a planetary gear mechanism and suppress noise produced by the planetary gear device. [Solution to Problem] Separate structural units for an inner gear and a housing comprising: an inner gear wherein a first raised portion that extend towards a direction that is inclined in respect to the axial direction is formed on the outer peripheral surface; and a housing wherein a second raised portion that extends in a direction that is inclined in respect to the axial direction is formed on the inner peripheral surface, and that contains the inner gear in a state wherein there is a gap from the inner peripheral surface. The movement of the inner gear within the interior of the housing is limited through linear contact of the first raised portion and the second raised portion.
Inventors:
KAWADA TOSHIKI (JP)
ISHIDA SHOHEI (JP)
KANEKO TAKUYA (JP)
ISHIDA SHOHEI (JP)
KANEKO TAKUYA (JP)
Application Number:
PCT/JP2020/029528
Publication Date:
February 11, 2021
Filing Date:
July 31, 2020
Export Citation:
Assignee:
ENPLAS CORP (JP)
International Classes:
F16H1/28; F16H1/46; F16H55/06; F16H55/12; F16H57/028; F16H57/032; H02K7/116
Domestic Patent References:
| WO1997041369A1 | 1997-11-06 |
Foreign References:
| US20100292043A1 | 2010-11-18 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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