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Patent Searching and Data


Title:
COMPOUND VARIABLE-SPEED MODULE
Document Type and Number:
WIPO Patent Application WO/2018/084096
Kind Code:
A1
Abstract:
A first transmission mechanism 4 includes: an inner race 9; an outer race 10; a plurality of rolling bodies 11 provided between the inner race 9 and the outer race 10; and an intermediate shaft 13 that engages with the rolling bodies 11 and transmits a rotary drive force to a second transmission mechanism 5. The second transmission mechanism 5 includes: a sun member 16 provided to the intermediate shaft 13; a planet member 17 that engages with the sun member 16; and an annular member 18 that engages with the planet member 17. A preload mechanism 14 is constituted by setting the diameters of the rolling bodies 11 larger than the gap between the inner race 9 and the outer race 10. A drive source 8 includes: a stator 37; a rotor 38 that rotates an input shaft 2; and a housing 39 that houses the stator 37 and the rotor 38. The input shaft 2 is arranged inside the housing 39.

Inventors:
OOBA Hirokazu (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
TOZAKI Yasuyoshi (4-1 Kowakae 3-chome, Higashiosaka-sh, Osaka 02, 〒5778502, JP)
Application Number:
JP2017/039005
Publication Date:
May 11, 2018
Filing Date:
October 27, 2017
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
KINKI UNIVERSITY (4-1 Kowakae 3-chome, Higashiosaka-shi Osaka, 02, 〒5778502, JP)
International Classes:
F16H13/08; F16H1/36; F16H13/10; F16H57/02; F16H57/021; F16H57/08; H02K7/116
Foreign References:
JP2014152800A2014-08-25
JP2000201452A2000-07-18
JP2016179799A2016-10-13
JP2011241974A2011-12-01
JP2003336705A2003-11-28
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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