JP2007064223A - 内燃機関用排気ガス装置 - Google Patents
内燃機関用排気ガス装置 Download PDFInfo
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- JP2007064223A JP2007064223A JP2006233290A JP2006233290A JP2007064223A JP 2007064223 A JP2007064223 A JP 2007064223A JP 2006233290 A JP2006233290 A JP 2006233290A JP 2006233290 A JP2006233290 A JP 2006233290A JP 2007064223 A JP2007064223 A JP 2007064223A
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- exhaust gas
- catalyst
- chamber
- duct
- catalyst chamber
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Classifications
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- 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
- F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
- F01N13/1877—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal the channels or tubes thereof being made integrally with the 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
- 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
- F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
-
- 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
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- 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
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
-
- 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
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
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- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
-
- 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
- F01N2270/00—Mixing air with exhaust gases
- F01N2270/02—Mixing air with exhaust gases for cooling exhaust gases or the apparatus
-
- 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
- F01N2470/30—Tubes with restrictions, i.e. venturi or the like, e.g. for sucking air or measuring mass flow
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices
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)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
【解決手段】後部殻(12)と前部殻(11)を含む外部ハウジング(10)と、触媒要素(33,34)が配置された触媒室(20)と、触媒室(20)から排気ガスを運ぶ排気ガスダクト(23)とを備えた内燃機関用排気ガス装置。触媒室(20)は二つの室半部分(21,22)で構成されていて、排気ガスダクト(23)をも形成しており、該排気ガスダクト(23)は前記室半部分(21,22)の少なくとも一方に材質的に均一かつ一体に設けられている。
【選択図】図1
Description
更に、二つ以上の触媒室を互いに並べて平行に配置することも考えられる。
本発明に従う内燃機関用排気ガス装置100の第一実施例を図1に示す。本発明の排気ガス装置100の外部ハウジング10は、本質的には正平行六面体形状である。本実施例の場合、前記外部ハウジング10は前部殻11と後部殻12から成っているが、本発明の外部ハウジング10は二つの部品だけから成る外部ハウジングに制限されるものではない。
11 前部殻
12 後部殻
13 前部殻の排気ガス排出口
14 前部殻の通風孔
15 前部殻の縁部分
16 後部殻の排気ガス引き入れ口
17 後部殻の縁部分
18 第一領域
19 第二領域
20 触媒室
21 第一室半部分
22 第二室半部分
23 排気ガスダクト
23a 排気ガスダクト下部分
23b 排気ガスダクト上部分
23c 排気ガスダクトの湾曲部及び曲げ部
24 触媒室の排気ガス取込穴
25 排気ガスダクトの排気ガス排出穴
26 噴射ノズル、特にベンチュリノズル
27 排気ガスダクトの触媒側開放部分
28 冷却面
29 第一室半部分の縁部分
30 第二室半部分の縁部分
31 隔離片
32 接合要素(ナット及びボルト)
33 触媒要素a)
34 触媒要素b)
35 隔離フレーム(隔離片を有する)
36 隔離ワッシャ
37 断熱要素
100 内燃機関用排気ガス装置
Claims (18)
- 後部殻(12)及び前部殻(11)を少なくとも一つずつ含んでいる少なくとも一つの外部ハウジング(10)と、その中に触媒要素(33,34)が少なくとも一つ配置されている触媒室(20)と、前記触媒室(20)からそれにより排気ガスが運ばれる排気ガスダクト(23)と、を有する内燃機関用排気ガス装置(100)において、前記触媒室(20)は前記排気ガスダクト(23)をも形成して、少なくとも二つの室半部分(21、22)を含み、前記排気ガスダクト(23)は、前記室半部分(21,22)の少なくとも一方に、材質的に均一で且つ一体に設けられていることを特徴とする内燃機関用排気ガス装置。
- 前記排気ガスダクト(23)は、前記室半部分(21,22)の少なくとも一つに、形成されていることを特徴とする請求項1に記載の排気ガス装置。
- 前記外部ハウジング(10)の内部の空間が、前記触媒室(20)により、(ガス漏れの起きない、)互いに隔離された少なくとも二つの領域(18、19)に分けられていることを特徴とする請求項1又は2に記載の排気ガス装置。
- 前記排気ガスダクト(23)の排気ガス排出穴(25)は、触媒要素(33,34)から離れた前記排気ガスダクト(23)の端部に配置され、前記外部ハウジング(10)の前記排気ガス排出口(13)に設けられていることを特徴とする請求項1から3の何れかに記載の排気ガス装置。
- 前記前部殻(11)には通風孔(14)が設けられ、該通風孔(14)を通じて、新鮮な空気が前記排気ガス装置(100)に流入するようにしたことを特徴とする請求項1から4の何れかに記載の排気ガス装置。
- 前記排気ガスダクト(23)の前記排気ガス排出穴(25)は、ベンチュリノズル(26)又は噴射ポンプを有することを特徴とする請求項1から5の何れかに記載の排気ガス装置。
- 前記外部ハウジング(10)の前記前部殻(11)は、前記触媒室(20)の一部を形成していることを特徴とする請求項1から6の何れかに記載の排気ガス装置。
- 前記排気ガスダクト(23)は湾曲に設計されるか、曲げを付けて設計されるか、又はその両方を含んで設計されることを特徴とする請求項1から7の何れかに記載の排気ガス装置。
- 触媒要素(33、34)のうち少なくとも一つは、大きな面積を有して設計されることを特徴とする請求項1から8の何れかに記載の排気ガス装置。
- 少なくとも二つの前記触媒要素(33,34)は、排気ガスの流れ方向に一方が他方の後ろに、配置されることを特徴とする請求項1から9の何れかに記載の排気ガス装置。
- 前記室半部分(21、22)のうち少なくとも一つに形成される隔離片(31)により、前記触媒要素(33、34)のうち少なくとも一つは、前記触媒室(20)に固定配置されることを特徴とする請求項1から10の何れかに記載の排気ガス装置。
- 前記二つの触媒要素(33,34)の間に間隔を設けるために、前記二つの触媒要素(33,34)の間に隔離フレーム(35)を配置することを特徴とする請求項1から11に記載の何れかの排気ガス装置。
- 少なくとも一つの接合要素(32)により、前記触媒室(20)は前記室半部分(21,22)と共に保持されることを特徴とする請求項1から12の何れかに記載の排気ガス装置。
- 前記触媒室(20)の中にある前記触媒要素(33,34)は固定配置され、前記接合要素(32)により、該触媒要素(33,34)には少なくとも大きく応力が加わらないようになっていることを特徴とする請求項13に記載の排気ガス装置。
- 前記触媒室(20)は、前記室半部分(21,22)の縁部分(29,30)にフランジをつけることにより、前記室半部分(21,22)と共に保持されることを特徴とする請求項1から14に記載の排気ガス装置。
- 前記触媒室(20)には冷却面(28)が付加されており、従って該触媒室(20)は、前記外部ハウジング(10)から全周にわたって離れていることを特徴とする請求項1から15に記載の排気ガス装置。
- 流れが、前記排気ガスダクト(23)の流れ方向と直角に、前記触媒要素(33,34)のうち少なくとも一つを通ることを特徴とする請求項1から16の何れかに記載の排気ガス装置。
- 排気ガス引き入れ口(16)を有する前記後部殻(12)に隣接して配置される前記室半部分(21、22)の一つに、少なくとも一つの排気ガス取込穴(24)が設けられ、前記取込穴(24)を通じて排気ガスが前記触媒室(20)の中へ流入し、そして、前記前部殻(11)に隣接して配置されるもう一方の室半部分(21,22)には、少なくとも一つの排気ガス排出穴(25)が設けられ、前記排出穴(25)は前記前部殻(11)の排気ガス排出口(13)の付近に位置し、前記排出穴(25)を通じて、排気ガスは触媒室(20)から直接あるいは間接的に外部へ排出されることを特徴とする請求項1から17の何れかに記載の排気ガス装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005013804.5 | 2005-08-31 | ||
DE202005013804U DE202005013804U1 (de) | 2005-08-31 | 2005-08-31 | Katalysatorkammer |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007064223A true JP2007064223A (ja) | 2007-03-15 |
JP4928872B2 JP4928872B2 (ja) | 2012-05-09 |
Family
ID=37398678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006233290A Expired - Fee Related JP4928872B2 (ja) | 2005-08-31 | 2006-08-30 | 内燃機関用排気ガス装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7617675B2 (ja) |
EP (1) | EP1760285B1 (ja) |
JP (1) | JP4928872B2 (ja) |
CN (2) | CN1924314A (ja) |
AT (1) | ATE467752T1 (ja) |
DE (2) | DE202005013804U1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1392528B1 (it) * | 2008-12-30 | 2012-03-09 | Emak Spa | Dispositivo per l ' evacuazione dei gas di scarico da un motore a combustione interna per attrezzi portatili da lavoro |
Citations (5)
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JPS53115209A (en) * | 1977-03-17 | 1978-10-07 | Canon Inc | Magnetic recording method |
JPH01155015A (ja) * | 1987-12-08 | 1989-06-16 | Andreas Stihl:Fa | 2サイクルエンジンの排ガス消音器 |
JPH09228836A (ja) * | 1996-02-23 | 1997-09-02 | Kubota Corp | マフラ冷却装置 |
JP2005325756A (ja) * | 2004-05-13 | 2005-11-24 | Orion Mach Co Ltd | 排ガス浄化装置 |
JP2006046264A (ja) * | 2004-08-06 | 2006-02-16 | Kioritz Corp | 内燃エンジンの触媒付きマフラー |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US4235843A (en) * | 1978-08-14 | 1980-11-25 | Toyo Kogyo Co., Ltd. | Catalytic converter |
US4237099A (en) * | 1979-04-25 | 1980-12-02 | General Motors Corporation | Catalytic converter with dual catalyst pellet beds and plenum therebetween |
US4265332A (en) * | 1979-06-21 | 1981-05-05 | Fmc Corporation | Heat extracting muffler system |
US4741411A (en) * | 1987-01-14 | 1988-05-03 | Deere & Company | Muffler system |
DE3829668C3 (de) * | 1987-12-08 | 1998-08-13 | Stihl Maschf Andreas | Abgasschalldämpfer für einen Zweitaktmotor in einem tragbaren Arbeitsgerät |
US4894987A (en) * | 1988-08-19 | 1990-01-23 | Ap Parts Manufacturing Company | Stamp formed muffler and catalytic converter assembly |
JP2618764B2 (ja) * | 1991-04-26 | 1997-06-11 | 本田技研工業株式会社 | 内燃機関の排気浄化方法及び装置 |
US5736690A (en) * | 1994-07-18 | 1998-04-07 | Aktiebolaget Electrolux | Muffler with catalytic converter |
SE9600204L (sv) * | 1996-01-17 | 1997-05-12 | Electrolux Ab | Katalysatorljuddämpare för mindre förbränningsmotor till t ex bärbara arbetsredskap |
SE9703582L (sv) | 1997-10-01 | 1999-04-02 | Electrolux Ab | Katalysatorljuddämpare |
DE10042145A1 (de) * | 2000-08-26 | 2002-03-07 | Stihl Maschf Andreas | Abgasschalldämpfer für eine Brennkraftmaschine |
DE10139700B4 (de) * | 2000-10-11 | 2013-01-03 | Andreas Stihl Ag & Co. | Verbrennungsmotor als Antriebsmotor in einem tragbaren, handgeführten Arbeitsgerät |
DE10239132B4 (de) * | 2002-08-27 | 2012-11-15 | Andreas Stihl Ag & Co | Abgasschalldämpfer |
JP4381868B2 (ja) * | 2004-04-07 | 2009-12-09 | 本田技研工業株式会社 | エンジン用排気浄化機能付き排気マフラ |
-
2005
- 2005-08-31 DE DE202005013804U patent/DE202005013804U1/de not_active Expired - Lifetime
-
2006
- 2006-08-02 AT AT06016100T patent/ATE467752T1/de active
- 2006-08-02 EP EP06016100A patent/EP1760285B1/de not_active Not-in-force
- 2006-08-02 DE DE502006006925T patent/DE502006006925D1/de active Active
- 2006-08-21 US US11/466,020 patent/US7617675B2/en not_active Expired - Fee Related
- 2006-08-30 JP JP2006233290A patent/JP4928872B2/ja not_active Expired - Fee Related
- 2006-08-30 CN CNA2006101151875A patent/CN1924314A/zh active Pending
- 2006-08-30 CN CN201010126504A patent/CN101798945A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53115209A (en) * | 1977-03-17 | 1978-10-07 | Canon Inc | Magnetic recording method |
JPH01155015A (ja) * | 1987-12-08 | 1989-06-16 | Andreas Stihl:Fa | 2サイクルエンジンの排ガス消音器 |
JPH09228836A (ja) * | 1996-02-23 | 1997-09-02 | Kubota Corp | マフラ冷却装置 |
JP2005325756A (ja) * | 2004-05-13 | 2005-11-24 | Orion Mach Co Ltd | 排ガス浄化装置 |
JP2006046264A (ja) * | 2004-08-06 | 2006-02-16 | Kioritz Corp | 内燃エンジンの触媒付きマフラー |
Also Published As
Publication number | Publication date |
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EP1760285B1 (de) | 2010-05-12 |
US7617675B2 (en) | 2009-11-17 |
US20080110160A1 (en) | 2008-05-15 |
ATE467752T1 (de) | 2010-05-15 |
EP1760285A2 (de) | 2007-03-07 |
CN1924314A (zh) | 2007-03-07 |
CN101798945A (zh) | 2010-08-11 |
JP4928872B2 (ja) | 2012-05-09 |
EP1760285A3 (de) | 2007-03-14 |
DE502006006925D1 (de) | 2010-06-24 |
DE202005013804U1 (de) | 2007-01-11 |
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