Title:
FAN DEVICE
Document Type and Number:
Japanese Patent JP3876011
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fan device by which the noise of the fan can be effectively reduced by the resonance absorbing action without changing the structure of the fan, while being a very simple structure.
SOLUTION: In a fan device 1 (not shown) in which a fan 2 is fitted to a fitting panel 3 in such a state that the rotating blades of the fan 2 are oppositely arranged to the opening 10 formed in the fitting panel 3, a ring-shaped slit S which has a shape analogous with the opening 10 of the fitting panel 13 and which is communicated with the opening 10 through a part of the circumferential surface constituting the opening 10 is provided, so that a slitlike sectional expansion part 16 capable of expanding in the outside direction of the opening 10 is provided to the fan-fitting part 12 of the fitting panel 3.
Inventors:
Takahiro Ito
Adachi
Adachi
Application Number:
JP20543395A
Publication Date:
January 31, 2007
Filing Date:
August 11, 1995
Export Citation:
Assignee:
Oriental Motor Co., Ltd.
International Classes:
F04D29/64; F04D29/66; (IPC1-7): F04D29/64
Domestic Patent References:
| JP57026883U | ||||
| JP2091694A | ||||
| JP2004995U | ||||
| JP4066711A |
Attorney, Agent or Firm:
Nao Okuyama
Masao Takeda
Akiyama Noburi
Arihara Koichi
Shoichi Okuyama
Masao Takeda
Akiyama Noburi
Arihara Koichi
Shoichi Okuyama
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