Title:
放熱ファン
Document Type and Number:
Japanese Patent JP5395843
Kind Code:
B2
Abstract:
A cooling fan comprises a housing (1, 3) and a motor (2, 4). The housing (1, 3) includes a support portion (1a, 3a), a cover portion (1b, 3b) and a lateral wall portion (1c, 3c), with the lateral wall portion (1c, 3c) disposed between the cover portion (1b, 3b) and the support portion (1a, 3a), with the lateral wall portion (1c, 3c), support portion (1a, 3 a) and the cover portion (1b, 3b) defining a compartment (11, 31), and with the lateral wall portion (1c, 3c) having at least one lateral air inlet (12, 32) and at least one lateral air outlet (13, 33) penetrating through the lateral wall portion (1c, 3c) and communicating with the compartment (11, 31). The motor (2, 4) is mounted inside the compartment (11, 31) of the housing (1, 3) and contains a stator (21, 41) and a impeller (22, 42), with the impeller (22, 42) rotatably mounting to the stator (21, 41), and further containing a hub (221, 421) with a top (223, 423) and a plurality of blades (222, 422), with the top (223, 423) facing the cover portion (1b, 3b), with the top (223, 423) and the cover portion (1b, 3b) delimiting a lateral flow path (23, 43) in the compartment (11, 31), and with each blade (222, 422) being contained in the lateral flow path (23, 43).
Inventors:
Hong Ginju
Royal family
Chen Feng
Royal family
Chen Feng
Application Number:
JP2011097599A
Publication Date:
January 22, 2014
Filing Date:
April 25, 2011
Export Citation:
Assignee:
Sunonwealth Electric Machine Industry Co.,Ltd.
International Classes:
F04D25/08
Domestic Patent References:
| JP2003307198A |
Foreign References:
| US20070166177 |
Attorney, Agent or Firm:
Sumiko Shimosaka
Kazuo Ikeyama
Toshihiko Nakayama
Yusuke Uchikoshi
Kazuo Ikeyama
Toshihiko Nakayama
Yusuke Uchikoshi