Title:
ELECTRIC FAN DEVICE
Document Type and Number:
Japanese Patent JP2016181990
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric fan device in which the dimension can be reduced in the direction of the rotation shaft of the fan.SOLUTION: An electric fan device 1 includes a fan 5, a first rotary member 7 fixed to the fan 5, and rotating together with the fan 5 around a rotating shaft 13, a first permanent magnet array 9 where N poles and S poles are arranged alternately on an outer peripheral surface 21 of the first rotary member 7 in the circumferential direction thereof, a second rotary member 27, a second permanent magnet array 29 where N poles and S poles are arranged alternately on a peripheral surface 33 of the second rotary member 27 in the circumferential direction thereof, and coupling magnetically with the first permanent magnet array 9, and a motor 31 for rotating the first rotary member 7 and fan 5, in a state where the second rotary member 27 and the first rotary member 7 are in non-contact, by rotating the second rotary member 27.SELECTED DRAWING: Figure 1
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Inventors:
HAMAGUCHI SEIJI
INOUE KENICHI
KASAI SHINGO
INOUE KENICHI
KASAI SHINGO
Application Number:
JP2015060913A
Publication Date:
October 13, 2016
Filing Date:
March 24, 2015
Export Citation:
Assignee:
KOBE STEEL LTD
KOBELCO CONTSTRUCTION MACHINERY LTD
KOBELCO CONTSTRUCTION MACHINERY LTD
International Classes:
H02K9/04; F16H49/00; H02K11/25; H02P5/74
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Satoshi Sakurai
Masataka Otani
Satoshi Sakurai
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