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Patent Searching and Data


Title:
COOLING FAN
Document Type and Number:
WIPO Patent Application WO/2019/098618
Kind Code:
A1
Abstract:
A cooling fan of the present invention comprises: a fan housing mounted on a mounting bracket; a rotary shaft rotatably supported by the fan housing; a rotor fixed to the rotary shaft; a stator fixed to the fan housing and disposed at a predetermined gap from the rotor; an impeller connected to the rotor so as to rotate therewith; and a separation prevention member mounted at the edge on the front surface on which an air discharge port of the fan housing is formed, and protruding in the inward direction of the air discharge port so as to prevent the impeller from separating from the fan housing, and thus the present invention can prevent the separation of the impeller while minimizing the area blocking the air discharge port.

Inventors:
KIM BYUNG SOO (KR)
Application Number:
PCT/KR2018/013695
Publication Date:
May 23, 2019
Filing Date:
November 12, 2018
Export Citation:
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Assignee:
AMOTECH CO LTD (KR)
International Classes:
F04D25/08; F04D29/64
Foreign References:
JP5728210B22015-06-03
JPH11252858A1999-09-17
KR20170101089A2017-09-05
KR101069575B12011-10-05
KR200319325Y12003-07-07
KR101079050B12011-11-02
Other References:
See also references of EP 3712437A4
Attorney, Agent or Firm:
LEE, Jae Hwa (KR)
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