JPH0573896B2 - - Google Patents

Info

Publication number
JPH0573896B2
JPH0573896B2 JP60219714A JP21971485A JPH0573896B2 JP H0573896 B2 JPH0573896 B2 JP H0573896B2 JP 60219714 A JP60219714 A JP 60219714A JP 21971485 A JP21971485 A JP 21971485A JP H0573896 B2 JPH0573896 B2 JP H0573896B2
Authority
JP
Japan
Prior art keywords
cylindrical body
plates
raw material
blank plate
combustion engine
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.)
Expired - Lifetime
Application number
JP60219714A
Other languages
English (en)
Other versions
JPS6282218A (ja
Inventor
Masuo Fukuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sankei Giken Kogyo Co Ltd
Original Assignee
Sankei Giken Kogyo Co Ltd
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 by Sankei Giken Kogyo Co Ltd filed Critical Sankei Giken Kogyo Co Ltd
Priority to JP60219714A priority Critical patent/JPS6282218A/ja
Priority to US06/914,499 priority patent/US4793544A/en
Publication of JPS6282218A publication Critical patent/JPS6282218A/ja
Priority to US07/205,749 priority patent/US4851298A/en
Publication of JPH0573896B2 publication Critical patent/JPH0573896B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/17—Rigid pipes obtained by bending a sheet longitudinally and connecting the edges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/02—Corrosion resistive metals
    • F01N2530/04—Steel alloys, e.g. stainless steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/06—Aluminium or alloys thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/26—Multi-layered walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49286—Crankshaft making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12292—Workpiece with longitudinal passageway or stopweld material [e.g., for tubular stock, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12347—Plural layers discontinuously bonded [e.g., spot-weld, mechanical fastener, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y10T428/12757—Fe
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12958—Next to Fe-base component
    • Y10T428/12965—Both containing 0.01-1.7% carbon [i.e., steel]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
    • Y10T428/12979—Containing more than 10% nonferrous elements [e.g., high alloy, stainless]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、内燃機関用消音器の筒体に関する。
〔従来の技術〕
消音器の筒体は、排気ガスからの凝縮水・排気
ガス浄化用触媒との化学反応等により内部腐食を
生ずる。また一方仕向け地域によつては塩害・湿
害による外部腐食もある。
そこで自動車の排気マフラ円筒形本体を、アル
ミニウムめつき鋼板とステンレス鋼板とのロール
加工により同時成形し、複層構造としたマフラ構
造が知られている（特開昭57−83622号公報参
照）。
〔発明が解決しようとする問題点〕
ところがその公知のものは、異なる材質の素材
板を重ね合せてロール加工により同時成形するも
のであるから、少なくとも１周分２枚の板を巻き
つけるため、強い押圧力を必要とし、ロール機の
剛性を考慮する必要がある。その他重ね合せた素
材板がずれないように位置決めする手数を要する
等の欠点がある。
本発明は、上記の欠点を除き能率的に生産する
ことのできる内燃機関用消音器の多重筒体を提供
することを目的とする。
ロ 発明の構成 〔問題点を解決するための手段〕 本発明は、異質の素材板を延長した状態に一端
同志をかしめ接続により連結し、巻型を用いてそ
の一方の素材板の自由端から筒体に成形し、その
素材板の１周以上の位置に上記接続部が重なり合
つた後、他方の素材板が先に巻かれた素材板の筒
面の上に巻かれ、その後から巻かれた素材板の自
由端が前記接続部を越えて１周以上重なり合つた
位置で溶着したことを特徴とする内燃機関用消音
器の筒体である。
〔作用〕
耐内部摩食材・耐外部摩食材の選択組合せが容
易にできる。異質素材板をその一端同志をかしめ
接続して連結することによりガス洩れしない高シ
ール性の筒体が得られる。従来の１枚板のロール
成形と同要領で生産される。
〔実施例〕
例えば燃焼ガスやその凝縮水等に強いステンレ
ス鋼板と、塩害に強い加工例えばアルミニウムめ
つきまた亜鉛めつきをした鋼板のように異なる素
材板１・２を、第１図のようにそれ等の各一端を
Ｕ形に折曲げ互いに掛合させ加圧してかしめ接続
した異質素材板１・２の連結延長板１・２を形成
する。
上記の素材板１・２のような異質材は溶接が離
しく、点溶接ではガス洩れを生じ、全面溶接は高
価であるが、上記のかしめ溶接は簡単安価で十分
なシール性が得られる。
その素材板１・２の一方例えば１で内筒１ａを
構成する場合は、その素材板１の自由端１１をロ
ール巻型４に例えばその係合溝５で咬えさせ、巻
型４を矢Ｌの方向に回転させて押えロールを用い
て素材板１を巻きつける。
素材板１が１周しさらに或長さｌ１だけラツプ
するように予め材料取りをしておくことによつ
て、内周全面がその素材板１で形成される。引続
く巻型４の回転で他の素材板２が素材板１の周面
の上に巻かれる。
その素材板２の自由端側が接続部３を越えて、
さらに長さｌ２だけラツプした状態で、素材板２
を溶着して筒体成形工程を終了し、型抜きする。
そのラツプ部ｌ２は同じ材料同志であるから、容
易に溶接される。
他の実施例としては、第４図のように後から巻
く素材板２の内面に吸音材６を添わせて巻くこと
によつて、内外の筒面１ａ・２ａ間に吸音材層６
を形成することができる。
なおかしめ接続部３の円周方向長さを例えば約
10mmとした場合、各素材板相互の重なり長さｌ
１・ｌ２は夫々約15〜20mmとする。
第５図・第６図は、例えばステンレス板のよう
な耐食材料１３1・１３2を内側と外側とし、その
間に例えばSPCC（普通鋼板）１２を挟んだ三層
構成の実施例である。なおかしめ部は外側に凸状
３１1・内側に凸状３１2の何れでもよい。
この構成によりステンレス鋼板のような高価な
材料１３1・１３2はその板厚も含めて最小限の利
用にとどめ、それによる透過音等の問題は安価な
鋼板１２を利用して解消することができる。
ロール成形を行うには公知の心金と押えロール
によることができるが、製品筒体の径に応じて心
金を交換しなければならないから、設備費が高価
となる。
従つてウレタンフオーム式と呼ばれる鉄マンド
レルとウレタンロールとの間に素材板を挾み、ウ
レタンロールをマンドレルに強く押し当てること
により筒体を形成し、抜き取つた後、巻き締めて
スポツト溶接する等の手段で固定する。
この方法によれば、マンドレルとウレタンロー
ルの押し当て圧力を変え、またはマンドレルにカ
ラーをかぶせることによつて、所望の径の円筒体
を容易に成形することが可能で設備費が軽減され
る。
ハ 発明の効果 上記のように、耐内部耐食性・耐外部耐食性の
所望の筒体が容易に得られる。ガス洩れに対する
シール性に優れた多重筒体が構成される。１枚板
のロール成形と殆ど同じ加工要領で異質素材板の
多重筒体が得られる。
【図面の簡単な説明】
第１図は本発明筒体の横断面図、第２図は異質
素材板を接続延長した状態の側面図、第３図はそ
の巻き込み要領の説明図、第４図は内外筒間に吸
音材を挾んだ実施例の横断面図、第５図は三層筒
体の実施例の横断面図、第６図はその素材板であ
る。 １・２……異質の素材板、１ａ・２ａ……その
板１・２で形成された筒体、３……１・２のかし
め接続部、４……巻型、ｌ１・ｌ２……各板１・
２のラツプ部。

Claims (1)

  1. 【特許請求の範囲】 １ 異質の素材板を延長した状態に一端同志をか
    しめ接続により連結し、 巻型を用いてその一方の素材板の自由端から筒
    体に成形し、 その素材板の１周以上の位置に上記接続部が重
    なり合つた後、他方の素材板が先に巻かれた素材
    板の筒面の上に巻かれ、 その後から巻かれた素材板の自由端が前記接続
    部を越えて１周以上重なり合つた位置で溶着した
    ことを特徴とする内燃機関用消音器の筒体。
JP60219714A 1985-10-02 1985-10-02 内燃機関用消音器の筒体 Granted JPS6282218A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60219714A JPS6282218A (ja) 1985-10-02 1985-10-02 内燃機関用消音器の筒体
US06/914,499 US4793544A (en) 1985-10-02 1986-10-02 Method of producing a multi-layer tube of a muffler
US07/205,749 US4851298A (en) 1985-10-02 1988-06-13 Multi-layer tube of a muffler for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60219714A JPS6282218A (ja) 1985-10-02 1985-10-02 内燃機関用消音器の筒体

Publications (2)

Publication Number Publication Date
JPS6282218A JPS6282218A (ja) 1987-04-15
JPH0573896B2 true JPH0573896B2 (ja) 1993-10-15

Family

ID=16739818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60219714A Granted JPS6282218A (ja) 1985-10-02 1985-10-02 内燃機関用消音器の筒体

Country Status (2)

Country Link
US (2) US4793544A (ja)
JP (1) JPS6282218A (ja)

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US5530213A (en) * 1993-05-17 1996-06-25 Ford Motor Company Sound-deadened motor vehicle exhaust manifold
US5422445A (en) * 1994-04-11 1995-06-06 Midas International Corporation Vehicular muffler having expansion joint
MY121635A (en) * 1996-07-11 2006-02-28 Honda Motor Co Ltd Exhaust muffler
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JP4132489B2 (ja) * 1999-10-19 2008-08-13 本田技研工業株式会社 マフラー構造
JP4562734B2 (ja) * 2004-10-28 2010-10-13 株式会社三五 排気系部品の外筒
JP4526377B2 (ja) * 2004-12-24 2010-08-18 株式会社三五 消音器
JP4545660B2 (ja) * 2005-09-02 2010-09-15 カルソニックカンセイ株式会社 消音器構造
US20070271788A1 (en) * 2006-05-26 2007-11-29 Eagle Precision Technologies Method and apparatus for manufacturing a muffler for automotive exhaust systems
US20080169038A1 (en) * 2007-01-11 2008-07-17 Timothy David Sellis Thermal shield and methods of construction and installation
US20100300574A1 (en) * 2007-11-29 2010-12-02 Yutaka Jinnouchi Multiwall steel tube
JP5609836B2 (ja) * 2011-09-27 2014-10-22 トヨタ自動車株式会社 マフラー
DE102016106125A1 (de) * 2016-04-04 2017-10-05 Faurecia Emissions Control Technologies, Germany Gmbh Isoliervorrichtung für eine Abgasanlage, Abgasanlage und Verfahren zur Herstellung einer Isoliervorrichtung

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US2966226A (en) * 1959-11-13 1960-12-27 Frank M Kalis Muffler repair jacket
US3337939A (en) * 1963-06-03 1967-08-29 United States Steel Corp Muffler body and method of manufacture
JPS455871Y1 (ja) * 1967-12-20 1970-03-23
US4010886A (en) * 1975-06-23 1977-03-08 The Budd Company Means and methods for making a spiral muffler
JPS5751081A (en) * 1980-09-09 1982-03-25 Nippon Steel Corp Composite dual steel pipe
US4333545A (en) * 1980-09-15 1982-06-08 Thrush Incorporated Back-fire resistant lock seam for muffler shells
JPS5783622A (en) * 1980-11-13 1982-05-25 Honda Motor Co Ltd Device for preventing counter flow of exhaust gas in secondary air feeder of engine
US4428420A (en) * 1981-07-16 1984-01-31 Blakely Stephen W Heat absorbing element and method of manufacture

Also Published As

Publication number Publication date
JPS6282218A (ja) 1987-04-15
US4793544A (en) 1988-12-27
US4851298A (en) 1989-07-25

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