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Patent Searching and Data


Title:
SILENCER-EQUIPPED BLOWER
Document Type and Number:
WIPO Patent Application WO/2021/192676
Kind Code:
A1
Abstract:
The present invention provides a silencer-equipped blower capable of suppressing amplification of sound and appropriately silencing a sound when a resonator is disposed within an axial fan. This silencer-equipped blower comprises: an axial fan comprising a casing having an internal space passing therethrough in one direction, and a rotary vane disposed within the internal space of the casing; and a silencer disposed at a position connected to the internal space of the axial fan. When driven, the axial fan has, within the internal space, a sound pressure distribution having a position with high sound pressure and a position with low sound pressure in a circumferential direction, and the silencer is disposed at the position having high sound pressure in the circumferential direction of the axial fan and not disposed at the position having low sound pressure.

Inventors:
HAKUTA SHINYA (JP)
YAMAZOE SHOGO (JP)
SUGAWARA YOSHIHIRO (JP)
OHTSU AKIHIKO (JP)
Application Number:
PCT/JP2021/004853
Publication Date:
September 30, 2021
Filing Date:
February 10, 2021
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G10K11/16; G10K11/172
Domestic Patent References:
WO1999066210A11999-12-23
Foreign References:
US20090308685A12009-12-17
JPH04265500A1992-09-21
JPH07189999A1995-07-28
JP2005248734A2005-09-15
JPH10306972A1998-11-17
Attorney, Agent or Firm:
NAKASHIMA Junko et al. (JP)
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