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JPS6131131Y2 - - Google Patents

Info

Publication number
JPS6131131Y2
JPS6131131Y2 JP1981043558U JP4355881U JPS6131131Y2 JP S6131131 Y2 JPS6131131 Y2 JP S6131131Y2 JP 1981043558 U JP1981043558 U JP 1981043558U JP 4355881 U JP4355881 U JP 4355881U JP S6131131 Y2 JPS6131131 Y2 JP S6131131Y2
Authority
JP
Japan
Prior art keywords
case
catalyst
heat exchange
opening
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
Application number
JP1981043558U
Other languages
English (en)
Other versions
JPS57156009U (ja
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 JP1981043558U priority Critical patent/JPS6131131Y2/ja
Priority to US06/359,844 priority patent/US4426844A/en
Priority to DE19823210697 priority patent/DE3210697A1/de
Publication of JPS57156009U publication Critical patent/JPS57156009U/ja
Application granted granted Critical
Publication of JPS6131131Y2 publication Critical patent/JPS6131131Y2/ja
Expired 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
    • F01N13/009—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 having two or more separate purifying devices arranged in series
    • F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2889—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with heat exchangers in a single housing
    • 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
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/59—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor
    • F02M26/61—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor in response to exhaust pressure
    • F02M26/615—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor in response to exhaust pressure the exhaust back pressure
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Description

【考案の詳細な説明】 この考案は、エンジン排気中の未燃成分を触媒
を用いて再燃焼させて排気の浄化を図るととも
に、再燃焼によつて一層高温となつた排気の熱エ
ネルギーを水等の液体に効率よく吸収回収するよ
うにした熱交換型マフラの改良に関する。
熱交換機能を有するマフラの一例として、触媒
の周囲に熱交換用の液体を直接流動させて排熱を
回収するものがあるが、再燃焼部と熱交換部が同
一箇所に形成されるために複雑な多重壁構造とな
つて大型になるとともに製作が困難となり、又、
触媒の交換も簡単には行い難いものとなつてい
た。
この考案はかかる点に着目したものであつて、
エンジン排気を導入する断熱構造の本体ケース
と、触媒を充填した触媒ケースと、排熱回収液体
を流動させる熱交換ケースとの３者を独立させ、
これらを共締め連結する構成とすることによつ
て、全体構造の簡素化及びコンパクト化を図り、
製作組付を容易にするとともに、各機能部の独立
した交換を簡単に行えるようにしメインテナンス
の容易化をも図ろうとしたものである。
以下この考案の実施例を図面に基づいて説明す
る。
第１図はエンジンを動力源及び熱源としたヒー
トポンプシステムの概略系統図であつて、２サイ
クルエンジン１によつて冷房系２の冷媒コンプレ
ツサ３を駆動するとともに、エンジン冷却水を暖
房用並びに給湯用の貯湯槽４に導いて熱交換し、
又、エンジン排気をマフラ５で再燃焼処理すると
ともに、エンジン冷却水をマフラ５に導いて排熱
回収するよう構成されている。
第２図はこの熱交換型マフラ５の詳細を示すも
のであつて、これはエンジン排気を導入する有底
筒状の本体ケース５Ａと、これに内装される触媒
ケース５Ｂと、熱交換ケース５Ｃの３者で構成さ
れている。そして本体ケース５Ａは底部一側に排
気導入口６を有するとともにフランジ７付きの開
口部８を有する二重壁構造となつており、この二
重壁部にセラミツクウール等の断熱材９が充填さ
れて、ケース全体が断熱構造となつている。又、
触媒ケース５Ｂは円筒状に構成されていて、その
内部りセラミツク等の断熱材１０を介して２個の
ブロツク状の触媒１１が充填されるとともに、そ
の端部には多数の通気孔１２を有するフランジ基
本１３が取付けられている。更に、熱交換ケース
５Ｃは、エンジン冷却水を流入口１４から導入し
て流入口１５から排出するジヤケツト状に構成さ
れていて、その内部に熱交換用の細管１６群で接
続された一対のヘツドタンク１７，１８が収容さ
れ、排気導入側ヘツドタンク１７から連設の排ガ
ス導入管１９がフランジ基板２０に連結されると
ともに、排出側ヘツドタンク１８から外部り排気
管２１が延出されている。又、この排気管２１の
先端にはバネ２３で閉塞付勢された弁２４が設け
られて、排ガス流出を規制するようになつてお
り、エンジン１が無負荷又は低負荷運転されたと
きに、この弁２４によつて排気背圧が高められて
エンジン１への新規充填率を低くし、もつて爆発
力をおしなべて低下させて燃焼の平滑化が図られ
るようになつている。
そして、上記のように夫々が独立の構造物とし
て構成された本体ケース５Ａ、触媒ケース５Ｂ、
及び熱交換ケース５Ｃはボルト２２によつて互い
に共締めフランジ連結されており、予め組立製作
した３者５Ａ，５Ｂ，５Ｃを共締め連結するだけ
でマフラ５を組上げることができ、又、ボルト２
２を外して３者５Ａ，５Ｂ，５Ｃを分解して触媒
１１の交換等のメインテナンスを行うことができ
るようになつている。
尚、実施例では熱交換ケース５Ｃが本体ケース
５Ａの開口部８の外側に設けられているが、触媒
ケース５Ｂを更に本体ケース５Ａの内方に入れて
取付けるようにすれば、この熱交換ケース５Ｃを
開口部８に入り込ませて取りつけて一層コンパク
トに構成することも可能である。又、触媒ケース
５Ｂはそのフランジ基板１３に溶接固定して触媒
交換時にケースごと交換するもよく、もしくはケ
ース５Ｂと基板１３とを螺着、ボルト止め、その
他適宜手段で分解可能に連結しておけば触媒１１
のみの交換ができる。
以上説明したように本考案の熱交換型マフラ
は、エンジン排気を導入する断熱型本体ケース５
Ａ、触媒ケース５Ｂ、及び熱交換ケース５Ｃを
夫々独立構造としたので、夫々を専用の機能のみ
を発揮させる簡素且つコンパクトな構造にして製
作の容易化を図ることができる。また、三者を共
締め連結するようにしたので、分解が容易とな
り、触媒の交換やケースごとの取替え、等のメイ
ンテナンスがたやすく行えるようになつた。
【図面の簡単な説明】
図面はこの考案の実施例を示し、第１図はヒー
トポンプシステムの概略系統図、第２図はマフラ
の縦断面図である。 ５Ａ……本体ケース、５Ｂ……触媒ケース、５
Ｃ……熱交換ケース、６……エンジン排気導入
口、８……開口部、２２……ボルト。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ エンジン排気導入口６を有する断熱構造の本
    体ケース５Ａに開口部８を形成し、この開口部
    ８より、触媒１１を充填した触媒ケース５Ｂを
    挿抜可能に挿入するとともに、本体ケース５Ａ
    の開口部８には、触媒ケース５Ｂから排出され
    た排ガス熱を流動液体に吸収回収する熱交換ケ
    ース５Ｃを取付け、これら３個のケース５Ａ，
    ５Ｂ，５Ｃをボルト２２にて共締め連結してあ
    ることを特徴とするエンジンの熱交換型マフ
    ラ。 ２ ３個のケース５Ａ，５Ｂ，５Ｃは本体ケース
    ５Ａの開口部位において共締めフランジ連結さ
    れている実用新案登録請求の範囲第１項に記載
    したマフラ。 ３ 熱交換ケース５Ｃは本体ケース５Ａの開口部
    ８の外側に連結されている実用新案登録請求の
    範囲第１項又は第２項に記載したマフラ。
JP1981043558U 1981-03-26 1981-03-26 Expired JPS6131131Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1981043558U JPS6131131Y2 (ja) 1981-03-26 1981-03-26
US06/359,844 US4426844A (en) 1981-03-26 1982-03-19 Engine muffler of heat-exchanging type
DE19823210697 DE3210697A1 (de) 1981-03-26 1982-03-24 Maschinen- bzw. brennkraftmaschinenauspufftopf der waermetauscherbauart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981043558U JPS6131131Y2 (ja) 1981-03-26 1981-03-26

Publications (2)

Publication Number Publication Date
JPS57156009U JPS57156009U (ja) 1982-09-30
JPS6131131Y2 true JPS6131131Y2 (ja) 1986-09-10

Family

ID=12667074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981043558U Expired JPS6131131Y2 (ja) 1981-03-26 1981-03-26

Country Status (3)

Country Link
US (1) US4426844A (ja)
JP (1) JPS6131131Y2 (ja)
DE (1) DE3210697A1 (ja)

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DE3210697A1 (de) 1982-11-04
US4426844A (en) 1984-01-24
JPS57156009U (ja) 1982-09-30

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