DE102004054966A1 - exhaust silencer - Google Patents
exhaust silencer Download PDFInfo
- Publication number
- DE102004054966A1 DE102004054966A1 DE102004054966A DE102004054966A DE102004054966A1 DE 102004054966 A1 DE102004054966 A1 DE 102004054966A1 DE 102004054966 A DE102004054966 A DE 102004054966A DE 102004054966 A DE102004054966 A DE 102004054966A DE 102004054966 A1 DE102004054966 A1 DE 102004054966A1
- Authority
- DE
- Germany
- Prior art keywords
- chamber
- cleaning body
- exhaust silencer
- spark
- silencer according
- 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.)
- Withdrawn
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
- 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
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
-
- 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
- F01N13/18—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
-
- 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
- F01N3/2885—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with exhaust silencers 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
- F01N2230/00—Combination of silencers and other devices
- F01N2230/06—Spark arresters
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Ein Abgasschalldämpfer (1), insbesondere in einem handgeführten Arbeitsgerät wie einer Motorsäge, einem Trennschleifer oder dgl. besitzt ein Gehäuse (2) mit einem Einlaß (18) und einem Auslaß (19). In dem Gehäuse (2) ist mindestens eine Kammer (11, 41) ausgebildet. Um die Verschmutzung des Gehäuses durch in den Abgasen enthaltene Partikel zu verringern, ist in der Kammer (11, 41) ein Reinigungskörper (14, 24, 34, 44, 54, 64) angeordnet, der gegenüber dem Gehäuse (2) beweglich ist.An exhaust muffler (1), particularly in a hand-held work implement such as a power saw, a power cutter or the like has a housing (2) with an inlet (18) and an outlet (19). In the housing (2) at least one chamber (11, 41) is formed. In order to reduce the contamination of the housing by particles contained in the exhaust gases, a cleaning body (14, 24, 34, 44, 54, 64) is arranged in the chamber (11, 41), which is movable relative to the housing (2).
Description
Die Erfindung betrifft einen Abgasschalldämpfer, insbesondere in einem handgeführten Arbeitsgerät wie einer Motorsäge, einem Trennschleifer oder dgl. der im Oberbegriff des Anspruchs 1 angegebenen Gattung.The The invention relates to an exhaust silencer, in particular in one hand-held implement like a chainsaw, a power cutter or the like. In the preamble of the claim 1 specified genus.
Aus
der
Die Abgase, die in den Abgasschalldämpfer einströmen, enthalten auch Partikel. Diese Partikel setzen sich im Gehäuse des Abgasschalldämpfers fest und führen zur Verschmutzung des Gehäuses. Die Partikel können insbesondere dazu führen, daß das Funkenschutzsieb sich stark zusetzt. Dies macht eine häufige Wartung und einen häufigen Austausch des Funkenschutzsiebs notwendig.The Exhaust gases that flow into the exhaust muffler included also particles. These particles settle in the housing of the exhaust silencer and lead for contamination of the housing. The Particles can especially cause that this Spark arrestor is very bad. This makes frequent maintenance and a frequent one Replacement of spark arrestor necessary.
Der Erfindung liegt die Aufgabe zugrunde, einen Abgasschalldämpfer der gattungsgemäßen Art zu schaffen, bei dem die Verschmutzung des Gehäuses verringert ist.Of the Invention is based on the object, an exhaust muffler of generic type too create, in which the pollution of the housing is reduced.
Diese Aufgabe wird durch einen Abgasschalldämpfer mit den Merkmalen des Anspruchs 1 gelöst.These Task is characterized by an exhaust muffler with the characteristics of Claim 1 solved.
Der bewegliche Reinigungskörper wird aufgrund der Druckschwankungen im Gehäuse in der Kammer hin und her geschleudert. Der Aufprall des Reinigungskörpers, beispielsweise an der Gehäuseinnenwand oder an einem Funkenschutzsieb, löst die an der Wand anhaftenden Partikel. Diese werden mit den Abgasen zusammen aus dem Abgasschalldämpfer gefördert. Der Reinigungskörper bewirkt demnach, daß sich der Abgasschalldämpfer laufend selbst reinigt. Der Reinigungskörper kann einfach aufgebaut sein und ein geringes Gewicht besitzen, so daß insbesondere in handgeführten Arbeitsgeräten das Gesamtgewicht des Arbeitsgeräts nicht merklich beeinflußt wird. Der beim Aufprall des Reinigungskörpers auf eine Wand entstehende Ton kann durch geeignete Wahl des Reinigungskörpers so abgestimmt werden, daß die Geräuschentwicklung gegenüber dem Laufgeräusch des Verbrennungsmotors minimal ist.Of the movable cleaning bodies is due to the pressure fluctuations in the housing in the chamber back and forth spun. The impact of the cleaning body, for example on the Housing inner wall or on a spark arrestor, loosens the adhering to the wall Particle. These are conveyed together with the exhaust gases from the exhaust silencer. Of the cleaning body causes, therefore, that the exhaust silencer constantly cleans himself. The cleaning body can be easily assembled be and have a low weight, so that in particular in hand-held implements the Total weight of the implement not noticeably affected becomes. The resulting from the impact of the cleaning body on a wall Sound can be tuned by suitable choice of the cleaning body, that the noise across from the running noise of the internal combustion engine is minimal.
Eine einfache Ausgestaltung ergibt sich, wenn der Reinigungskörper in der Kammer frei beweglich ist. Durch geeignete Wahl der Innengeometrie der Kammer und der Außengeometrie des Reinigungskörpers kann erreicht werden, daß die Kammer vollständig von dem Reinigungskörper gereinigt wird. Es kann jedoch auch vorteilhaft sein, daß der Reinigungskörper in der Kammer mit Spiel geführt ist. Der Reinigungskörper kann insbesondere so angeordnet sein, daß er besonders verschmutzungsgefährdete Bereiche reinigt. Vorteilhaft ist der Reinigungskörper an seiner Außenseite mit Spiel an der Innenwand der Kammer geführt.A simple design results when the cleaning body in the chamber is freely movable. By suitable choice of internal geometry the chamber and the external geometry of the cleaning body can be achieved that the Chamber completely from the cleaning body is cleaned. However, it may also be advantageous that the cleaning body in the chamber with play led is. The cleaning body may in particular be arranged so that he particularly polluted areas cleans. The cleaning body is advantageous on its outside with play on the inner wall of the chamber.
Um ein Austreten von glühenden Partikeln aus dem Abgasschalldämpfer zu vermeiden und regionalen Vorschriften zu genügen, ist vorgesehen, daß am Auslaß aus der Kammer ein Funkenschutzsieb angeordnet ist. Durch die Anordnung des Reinigungskörpers in der Kammer, in der das Funkenschutzsieb angeordnet ist, kann die Verschmutzung des Funkenschutzsiebs verringert werden. Das Funkenschutzsieb ist insbesondere zylindrisch ausgebildet und der Reinigungskörper ist vorteilhaft am Umfang des Funkenschutzsiebs mit Spiel geführt. Das Funkenschutzsieb kann sich im Betrieb des Abgasschalldämpfers leicht mit Schmutzpartikeln zusetzen. Um ein Zusetzen des Funkenschutzsiebs zu vermeiden, muß dieses regelmäßig ausgetauscht werden. Durch die Anordnung eines Reinigungskörpers am Funkenschutzsieb wird das Funkenschutzsieb im Betrieb laufend von Schmutzpartikeln befreit, so daß die Wartungsintervalle wesentlich größer gewählt werden können.Around an escape of glowing Particles from the exhaust silencer and to comply with regional rules, it is envisaged that at the outlet of the Chamber a spark arrestor is arranged. By the arrangement of the cleaning body in the chamber in which the spark arrestor is arranged can the pollution of the spark arrestor be reduced. The spark arrest screen is in particular cylindrical and the cleaning body is advantageously performed on the periphery of the spark arrestor with play. The spark arrest screen In the operation of the exhaust muffler can easily with dirt particles enforce. In order to avoid clogging of the spark arrester, this must be exchanged regularly become. The arrangement of a cleaning body on the spark arrestor becomes the spark arrestor continuously removed from dirt during operation, so the maintenance intervals be chosen much larger can.
Der Reinigungskörper ist insbesondere zwischen der Kammerwand und dem Funkenschutzsieb gehalten. Vorteilhaft ist das Spiel zur Kammerinnenwand größer als das Spiel zum Funkenschutzsieb. Der Reinigungskörper schlägt so im Betrieb bevorzugt auf das Funkenschutzsieb auf und reinigt dieses. Bei starken Erschütterungen bildet die Kammerinnenwand einen Anschlag für den Reinigungskörper, so daß das Funkenschutzsieb vom Reinigungskörper nicht deformiert oder zerstört werden kann. Vorteilhaft ist der Reinigungskörper gegenüber dem Funkenschutzsieb in Umfangsrichtung beweglich. Es kann vorteilhaft sein, daß der Reinigungskörper in axialer Richtung des Funkenschutzsiebs beweglich ist. Insbesondere ist der Reinigungskörper sowohl in axialer Richtung als auch in Umfangsrichtung gegenüber dem Funkenschutzsieb beweglich.Of the cleaning body is held in particular between the chamber wall and the spark arrest screen. Advantageously, the game to chamber inner wall is greater than the game to spark arrestor. Of the cleaning body beats so preferably in operation on the spark arrestor and cleans this. With strong vibrations forms the chamber inner wall a stop for the cleaning body, so that this Spark protection screen from the cleaning body not deformed or destroyed can be. Advantageously, the cleaning body against the spark arrestor in Circumferentially movable. It may be advantageous that the cleaning body in axial Direction of the spark arrester is movable. In particular, the cleaning body both in the axial direction and in the circumferential direction relative to the Spark protection screen movable.
Eine einfache Ausgestaltung ergibt sich, wenn der Reinigungskörper eine Schraubenfeder ist. Die durch die Federwindungen gebildete Riffelstruktur der Schraubenfeder führt zu einer guten Ablösung von Schmutzpartikeln. Es kann jedoch auch zweckmäßig sein, daß der Reinigungskörper ein Ring ist. Der Ring ist vorteilhaft geschlitzt. Insbesondere besitzt der Reinigungskörper mindestens einen Durchbruch. Der Schlitz und der Durchbruch verbessern die Abreinigung durch den Reinigungskörper. Wird der Schlitz ausreichend groß gewählt, so ist eine Montage des Reinigungskörpers auf dem Funkenschutzsieb in radialer Richtung zum Funkenschutzsieb möglich.A simple embodiment results when the cleaning body is a helical spring. The corrugated structure of the coil spring formed by the spring coils leads to a good separation of dirt particles. However, it may also be appropriate that the cleaning body is a ring. The ring is advantageously slotted. In particular, the cleaning body has at least one breakthrough. The slot and the aperture improve cleaning by the cleaning body. If the slot chosen sufficiently large, so is a Assembly of the cleaning body on the spark arrestor in the radial direction to the spark arrest screen possible.
Das Gehäuse des Abgasschalldämpfers ist vorteilhaft aus zwei Halbschalen gebildet, zwischen denen eine Trennwand angeordnet ist, die eine erste Kammer von einer zweiten Kammer trennt. In der Trennwand kann insbesondere ein Katalysator angeordnet sein. Vorteilhaft ist an der Trennwand eine dritte Halbschale angeordnet, die mit der Trennwand eine dritte Kammer bildet. Die Anordnung mehrerer hintereinander liegender Kammern führt zu einer guten Dämpfungswirkung des Abgasschalldämpfers. Durch die Anbindung der dritten Halbschale an der Trennwand kann die dritte Kammer einfach und mit wenigen zusätzlichen Bauteilen gebildet werden. Das Funkenschutzsieb ist insbesondere am Auslaß aus der dritten Kammer angeordnet. Der Auslaß aus der dritten Kammer mündet dabei vorteilhaft in den Auslaß aus dem Abgasschalldämpfer.The casing the exhaust silencer is advantageously formed of two half-shells, between which one Partition is arranged, which is a first chamber of a second Chamber separates. In the partition, in particular, a catalyst be arranged. A third half-shell is advantageous on the partition arranged, which forms a third chamber with the partition wall. The Arrangement of several consecutive chambers leads to a good damping effect the exhaust silencer. By the connection of the third half-shell to the partition can be the third Chamber simple and formed with a few additional components become. The spark arrestor is especially at the outlet of the arranged third chamber. The outlet from the third chamber opens advantageous in the outlet the exhaust silencer.
Ausführungsbeispiele der Erfindung werden im folgenden anhand der Zeichnung erläutert. Es zeigen:embodiments The invention will be explained below with reference to the drawing. It demonstrate:
Der
in
Die
Abgase strömen
in den Abgasschalldämpfer
Die
Trennwand
In
der dritten Kammer
Wie
Im
Betrieb strömen
die Abgase aus dem Verbrennungsmotor in den Abgasschalldämpfer
Die
Wie
die
Im
Betrieb strömen
die Abgase durch den in
Die Öffnung
In
Der
Reinigungskörper
Die
Der
in
Der
in
Der
in
In
Es können auch andere Formen von Reinigungskörpern vorteilhaft sein. Auch andere Formen des Funkenschutzsiebs können zweckmäßig sein.It can Other forms of cleaning bodies may be advantageous. Also other forms of spark arrest screen may be appropriate.
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004054966A DE102004054966A1 (en) | 2004-11-13 | 2004-11-13 | exhaust silencer |
CNA2005101246476A CN1773085A (en) | 2004-11-13 | 2005-11-14 | Muffler for exhaust gas |
US11/272,621 US20060102420A1 (en) | 2004-11-13 | 2005-11-14 | Muffler for exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004054966A DE102004054966A1 (en) | 2004-11-13 | 2004-11-13 | exhaust silencer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004054966A1 true DE102004054966A1 (en) | 2006-05-18 |
Family
ID=36273828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004054966A Withdrawn DE102004054966A1 (en) | 2004-11-13 | 2004-11-13 | exhaust silencer |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060102420A1 (en) |
CN (1) | CN1773085A (en) |
DE (1) | DE102004054966A1 (en) |
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CA3177017C (en) | 2020-05-03 | 2024-04-16 | John Francis Quanci | High-quality coke products |
WO2023081821A1 (en) | 2021-11-04 | 2023-05-11 | Suncoke Technology And Development Llc | Foundry coke products, and associated systems, devices, and methods |
US11946108B2 (en) | 2021-11-04 | 2024-04-02 | Suncoke Technology And Development Llc | Foundry coke products and associated processing methods via cupolas |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1387003A (en) * | 1920-02-14 | 1921-08-09 | Edward G Hedges | Antifouling muffler for flush-pipes |
US1721385A (en) * | 1926-08-26 | 1929-07-16 | Furnivall William Henry Graham | Exhaust silencer |
US3798769A (en) * | 1972-01-25 | 1974-03-26 | Mc Culloch Corp | Apparatus for reducing the operating noise of a chain saw |
US4026072A (en) * | 1976-08-09 | 1977-05-31 | Dremann George H | Self-cleaning muffler for an abrasive blast system |
US4039452A (en) * | 1976-11-15 | 1977-08-02 | Fernandez John J | Self-cleaning filter |
US4296780A (en) * | 1978-06-21 | 1981-10-27 | A. B. Carl Munters | Apparatus including throttling device for use in ventilation duct |
US4603001A (en) * | 1980-10-10 | 1986-07-29 | Ward Raymond E | Apparatus and method for filtering a fluid |
US4872528A (en) * | 1988-08-01 | 1989-10-10 | Nelson Industries Inc. | Muffler construction |
US5451728A (en) * | 1992-11-19 | 1995-09-19 | Wci Outdoor Products, Inc. | Muffler for two-cycle internal combustion engine and method of assembly |
US5866859A (en) * | 1995-02-14 | 1999-02-02 | Aktiebolaget Electrolux | Spark arresting structure for a muffler having a catalytic converter |
JP3280209B2 (en) * | 1995-10-20 | 2002-04-30 | 株式会社共立 | Muffler structure of internal combustion engine |
DE29609405U1 (en) * | 1996-05-25 | 1996-08-14 | Stihl Maschf Andreas | Exhaust silencer for internal combustion engines |
US5638786A (en) * | 1996-08-16 | 1997-06-17 | Ford Motor Company | Self-cleaning air filter for a fuel vapor recovery system |
DE19834822A1 (en) * | 1998-08-01 | 2000-02-03 | Stihl Maschf Andreas | Exhaust silencer with a catalytic converter |
DE29900101U1 (en) * | 1999-01-07 | 2000-02-10 | Stihl Maschf Andreas | Exhaust silencer |
DE19924888B4 (en) * | 1999-06-01 | 2013-07-11 | Andreas Stihl Ag & Co. | Exhaust silencer for internal combustion engines |
US6540046B1 (en) * | 2001-08-06 | 2003-04-01 | Nelson Industries, Inc. | Compact economical spark arrestor and muffler |
JP4367918B2 (en) * | 2004-01-09 | 2009-11-18 | 本田技研工業株式会社 | Small engine exhaust system |
-
2004
- 2004-11-13 DE DE102004054966A patent/DE102004054966A1/en not_active Withdrawn
-
2005
- 2005-11-14 CN CNA2005101246476A patent/CN1773085A/en active Pending
- 2005-11-14 US US11/272,621 patent/US20060102420A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1773085A (en) | 2006-05-17 |
US20060102420A1 (en) | 2006-05-18 |
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Legal Events
Date | Code | Title | Description |
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R005 | Application deemed withdrawn due to failure to request examination |
Effective date: 20111115 |