JPH0471234U - - Google Patents

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Publication number
JPH0471234U
JPH0471234U JP11357790U JP11357790U JPH0471234U JP H0471234 U JPH0471234 U JP H0471234U JP 11357790 U JP11357790 U JP 11357790U JP 11357790 U JP11357790 U JP 11357790U JP H0471234 U JPH0471234 U JP H0471234U
Authority
JP
Japan
Prior art keywords
heat
absorbing material
insulating sound
insulating
sound
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
JP11357790U
Other languages
Japanese (ja)
Other versions
JP2503232Y2 (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 JP1990113577U priority Critical patent/JP2503232Y2/en
Publication of JPH0471234U publication Critical patent/JPH0471234U/ja
Application granted granted Critical
Publication of JP2503232Y2 publication Critical patent/JP2503232Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は、実験例１で作つた、断熱吸音層の内
側に固定層を配した重層断熱吸音材を示す断面図
である。第２図ａは、実験例２で作つた、断熱吸
音層と固定層とを交互に複数枚重層し、同心円状
に配した重層断熱吸音材を示す断面図である。第
２図ｂは、実験例２の重層断熱吸音材の製造方法
を説明する図である。第３図ａは、実験例３で作
つた、断熱吸音層と固定層とを渦巻状に配した重
層断熱吸音材を示す断面図である。第３図ｂは、
実験例３の重層断熱吸音材の製造方法を説明する
図である。第４図は、第１図の重層断熱吸音材を
使用した自動車用消音器を示す断面図である。 １……内管、２……外管、３……断熱吸音層、
４……固定層、１１……パイプ、１３……アルミ
ナシリカ繊維ブランケツト、１４……シリカ繊維
クロス。 FIG. 1 is a sectional view showing a multilayer heat-insulating sound-absorbing material made in Experimental Example 1, in which a fixed layer is arranged inside the heat-insulating sound-absorbing layer. FIG. 2a is a sectional view showing a multilayer heat-insulating sound-absorbing material made in Experimental Example 2, in which a plurality of heat-insulating sound-absorbing layers and fixed layers are alternately stacked and arranged in concentric circles. FIG. 2b is a diagram illustrating the method for manufacturing the multilayer heat-insulating sound-absorbing material of Experimental Example 2. FIG. 3a is a cross-sectional view showing a multilayer heat-insulating sound-absorbing material made in Experimental Example 3, in which a heat-insulating sound-absorbing layer and a fixed layer are arranged in a spiral manner. Figure 3b is
FIG. 7 is a diagram illustrating a method for manufacturing a multilayer heat-insulating sound-absorbing material of Experimental Example 3. FIG. 4 is a cross-sectional view showing a silencer for an automobile using the multilayer heat-insulating sound-absorbing material shown in FIG. 1...Inner pipe, 2...Outer pipe, 3...Insulating sound absorption layer,
4... fixed layer, 11... pipe, 13... alumina silica fiber blanket, 14... silica fiber cloth.

Claims (1)

【実用新案登録請求の範囲】 (1) １０００℃以上の耐熱性を有し、かつ１０
μｍ以下の繊維径を有するセラミツクフアイバー
よりなる断熱吸音層に、５〜２０μｍの繊維径を
有するシリカ繊維クロスよりなる固定層を重層し
たことを特徴とする重層断熱吸音材。 (2) 真空成形体からなる請求項１に記載の重層
断熱吸音材。[Scope of claims for utility model registration] (1) Has heat resistance of 1000℃ or more, and
A multilayer heat-insulating sound-absorbing material comprising a heat-insulating sound-absorbing layer made of ceramic fibers having a fiber diameter of 5 to 20 μm and a fixed layer made of silica fiber cloth having a fiber diameter of 5 to 20 μm. (2) The multilayer heat-insulating and sound-absorbing material according to claim 1, which comprises a vacuum-formed body.
JP1990113577U 1990-10-31 1990-10-31 Silencer for internal combustion engine Expired - Lifetime JP2503232Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990113577U JP2503232Y2 (en) 1990-10-31 1990-10-31 Silencer for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990113577U JP2503232Y2 (en) 1990-10-31 1990-10-31 Silencer for internal combustion engine

Publications (2)

Publication Number Publication Date
JPH0471234U true JPH0471234U (en) 1992-06-24
JP2503232Y2 JP2503232Y2 (en) 1996-06-26

Family

ID=31861183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990113577U Expired - Lifetime JP2503232Y2 (en) 1990-10-31 1990-10-31 Silencer for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2503232Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0941942A (en) * 1995-07-28 1997-02-10 Nichias Corp Muffler
WO1997031181A1 (en) * 1996-02-21 1997-08-28 Ibiden Co., Ltd. Muffler for an internal combustion engine
JPH09256833A (en) * 1996-03-22 1997-09-30 Ibiden Co Ltd Silencer for internal combustion engine
JP2019032027A (en) * 2017-08-08 2019-02-28 日東シンコー株式会社 Heat insulation sheet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872036U (en) * 1981-11-11 1983-05-16 株式会社ナ−ド研究所 Flexible flame-resistant/heat-resistant sheet
JPS58190195A (en) * 1982-04-30 1983-11-07 Victor Co Of Japan Ltd Sound diaphragm
JPS63192325A (en) * 1987-02-05 1988-08-09 ニチアスセラテック株式会社 Materials of growth medium
JPH0274548A (en) * 1988-09-12 1990-03-14 Showa Denko Kk Production of heat insulation-resistant sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872036U (en) * 1981-11-11 1983-05-16 株式会社ナ−ド研究所 Flexible flame-resistant/heat-resistant sheet
JPS58190195A (en) * 1982-04-30 1983-11-07 Victor Co Of Japan Ltd Sound diaphragm
JPS63192325A (en) * 1987-02-05 1988-08-09 ニチアスセラテック株式会社 Materials of growth medium
JPH0274548A (en) * 1988-09-12 1990-03-14 Showa Denko Kk Production of heat insulation-resistant sheet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0941942A (en) * 1995-07-28 1997-02-10 Nichias Corp Muffler
WO1997031181A1 (en) * 1996-02-21 1997-08-28 Ibiden Co., Ltd. Muffler for an internal combustion engine
JPH09256833A (en) * 1996-03-22 1997-09-30 Ibiden Co Ltd Silencer for internal combustion engine
JP2019032027A (en) * 2017-08-08 2019-02-28 日東シンコー株式会社 Heat insulation sheet

Also Published As

Publication number Publication date
JP2503232Y2 (en) 1996-06-26

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