JPH02128032U - - Google Patents

Info

Publication number
JPH02128032U
JPH02128032U JP3471889U JP3471889U JPH02128032U JP H02128032 U JPH02128032 U JP H02128032U JP 3471889 U JP3471889 U JP 3471889U JP 3471889 U JP3471889 U JP 3471889U JP H02128032 U JPH02128032 U JP H02128032U
Authority
JP
Japan
Prior art keywords
elbow
resonant
support material
predetermined
perforated plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3471889U
Other languages
Japanese (ja)
Other versions
JP2517069Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989034718U priority Critical patent/JP2517069Y2/en
Publication of JPH02128032U publication Critical patent/JPH02128032U/ja
Application granted granted Critical
Publication of JP2517069Y2 publication Critical patent/JP2517069Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Branch Pipes, Bends, And The Like (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例による共鳴・共振型
消音エルボの外観斜視図、第２図はその側面図、
第３図はその正面図、第４図は本考案に適用され
る支持材の斜視図、第５図は本考案の消音エルボ
と従来例を比較した実験結果に基づく減衰特性図
である。 １……外角部、２……有孔板、２ａ……貫通孔
、３…支持材、１０……共鳴・共振消音エルボ。 Fig. 1 is an external perspective view of a resonant/resonant type muffling elbow according to an embodiment of the present invention, Fig. 2 is a side view thereof,
FIG. 3 is a front view thereof, FIG. 4 is a perspective view of the support material applied to the present invention, and FIG. 5 is a diagram of damping characteristics based on experimental results comparing the noise-muffling elbow of the present invention with a conventional example. DESCRIPTION OF SYMBOLS 1... External corner part, 2... Perforated plate, 2a... Through hole, 3... Support material, 10... Resonance/resonance muffling elbow.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空気調和設備又は換気設備に用いられるエルボ
の外角部の内面に沿つて該内面と所定間隔を有し
且つ所定の支持間隔に配置された支持材を用いて
有孔板が固設されたことを特徴とする共鳴・共振
型消音エルボ。 A perforated plate is fixed along the inner surface of the outer corner of an elbow used in air conditioning equipment or ventilation equipment using a support material that has a predetermined distance from the inner surface and is arranged at a predetermined support interval. Features a resonant/resonant sound-deadening elbow.
JP1989034718U 1989-03-29 1989-03-29 Resonance / Resonance type silencer elbow Expired - Lifetime JP2517069Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989034718U JP2517069Y2 (en) 1989-03-29 1989-03-29 Resonance / Resonance type silencer elbow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989034718U JP2517069Y2 (en) 1989-03-29 1989-03-29 Resonance / Resonance type silencer elbow

Publications (2)

Publication Number Publication Date
JPH02128032U true JPH02128032U (en) 1990-10-22
JP2517069Y2 JP2517069Y2 (en) 1996-11-13

Family

ID=31539439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989034718U Expired - Lifetime JP2517069Y2 (en) 1989-03-29 1989-03-29 Resonance / Resonance type silencer elbow

Country Status (1)

Country Link
JP (1) JP2517069Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109215627A (en) * 2017-07-05 2019-01-15 哈尔滨城林科技股份有限公司 Efficient noise elimination elbow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109215627A (en) * 2017-07-05 2019-01-15 哈尔滨城林科技股份有限公司 Efficient noise elimination elbow

Also Published As

Publication number Publication date
JP2517069Y2 (en) 1996-11-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term