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Patent Searching and Data


Title:
ROTATION DRIVE DEVICE OR CENTRIFUGAL PUMP DEVICE PROVIDED WITH ROTATION DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/152559
Kind Code:
A1
Abstract:
This rotation drive device (1) is provided with a housing (2), a rotor (100), and a drive means. The rotor (100) has first permanent magnets (110) which are arranged in the rotational direction, second permanent magnets (120) which are arranged in the rotational direction at intervals, and first magnetic bodies (140). Spaces (130) with predetermined intervals are formed between the magnetic poles (N-pole and N-pole, or S-pole and S-pole) of respective two of the second permanent magnets (120) that face each other such that the spaces face the partition wall sides (111) having the same magnetic poles (N-poles or S-poles) of the first permanent magnets (110). Further, the first magnetic bodies (140) are provided in the spaces (130).

Inventors:
YAMADA, Hiroyuki (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
SUGIURA, Ken (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
Application Number:
JP2016/057616
Publication Date:
September 29, 2016
Filing Date:
March 10, 2016
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
H02K1/27; F04D13/06; H02K5/128; H02K7/14; H02K21/24
Foreign References:
JP2013147969A2013-08-01
JP2011078298A2011-04-14
JP2011024379A2011-02-03
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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