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Patent Searching and Data


Title:
MUFFLER FOR BLOWER
Document Type and Number:
Japanese Patent JP2018189006
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a muffler for a blower which suppresses deterioration of muffling performance due to heat and moisture to the minimum and prevents incorporation of foreign matter to ejected air.SOLUTION: A muffler 20 for a blower fitted to an ejection port 12a of a vortex flow blower 10 includes: a tubular housing 30 which allows one end thereof to be fitted to the ejection port 12a of the vortex flow blower 10, allows the other end to be opened to an external part and has an air passage P along an axial direction C from one end side toward the other end side; and a plurality of sound absorbing packs 40 which are arranged in the tubular housing 30 and are stacked on a position which surrounds the air passage P and along the air passage P. Therein, the sound absorbing packs 40 are communicated with the air passage P and includes a recessed case 41 formed in a dish shape and a porous plate 42 provided on a position which blocks the opening side of the recessed case 41.SELECTED DRAWING: Figure 1

Inventors:
MIZUTANI HIDEKI
Application Number:
JP2017090407A
Publication Date:
November 29, 2018
Filing Date:
April 28, 2017
Export Citation:
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Assignee:
KAWAMOTO GEC KK
International Classes:
F04B39/00; F04D23/00; F04D29/66
Domestic Patent References:
JPH0292077U1990-07-20
JPH0742699A1995-02-10
JPH05209600A1993-08-20
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Shigeru Iino