DE511491C - Sound-absorbing muffler - Google Patents
Sound-absorbing mufflerInfo
- Publication number
- DE511491C DE511491C DET37774D DET0037774D DE511491C DE 511491 C DE511491 C DE 511491C DE T37774 D DET37774 D DE T37774D DE T0037774 D DET0037774 D DE T0037774D DE 511491 C DE511491 C DE 511491C
- Authority
- DE
- Germany
- Prior art keywords
- exhaust
- slots
- sound
- muffler
- muffler 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.)
- Expired
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
- F01N13/20—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 flared outlets, e.g. of fish-tail shape
-
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/12—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Description
Die Erfindung betrifft einen schalldämpfenden Auispufftopf für Brennkraftmaschinen nach Art des in Patent 469 259 beschriebenen, bei welchem die Auspuffgase vom Auspuffrohr in eine mittlere zylindrische Kammer durch die Windungen eines spiralförmigen Kanals und dann am Umfange des Topfes durch einen Längsschlitz rechtwinklig zum axialen Eintritt gleich einem breitgedrückten Strahl ins Freie geleitet werden.The invention relates to a sound-absorbing muffler for internal combustion engines of the type described in Patent 469,259 in which the exhaust gases from the exhaust pipe into a central cylindrical chamber through the turns of a spiral channel and then around the periphery of the pot through a longitudinal slot at right angles to the axial entry equal to a wide-pressed one Beam can be directed into the open.
Erfindungsgemäß wird dieser Auspufftopf noch am hinteren Ende und vorzugsweise in einer an sich bekannten, fischschwanzartigen Fortsetzung mit Schlitzen versehen, durch die der restliche Teil der Auspuffgase gleich einem breitgedrückten Strahl in einer zu dem axialen Eintritt der Gase ungefähr parallelen Richtung unmittelbar ins Freie abgeführt wird. Zwischen dem hinteren Ende des spiralförmigen Kanals und der fischschwanzartigen Fortsetzung des Auspuff topf es befindet sich noch eine schalldämpfende Vorrichtung, bestehend aus zwei Scheiben mit zueinander entgegengesetzt schräg gerichteten Auspuffschlitzen. Dadurch, daß außer dem bereits vorhandenen seitlichen Längsschlitz noch am Ende zweckmäßig in einer fischschwanzartigen Fortsetzung Querschlitze vorgesehen werden, werden die schädlichen, einen Leistungsverlust der Maschine bedingenden Gegendrücke auf ein geringes Maß herabgesetzt. According to the invention, this muffler is still at the rear end and preferably in a per se known, fishtail-like continuation provided with slots, through which the remaining part of the exhaust gases equal to a broad-squeezed jet in one to that axial entry of the gases is discharged directly into the open in an approximately parallel direction will. Between the rear end of the spiral channel and the fishtail-like one Continuation of the exhaust pot there is still a sound-absorbing device, Consists of two disks with mutually opposite diagonal exhaust slots. Because besides that already existing lateral longitudinal slot at the end expediently in a fishtail-like one Continuing transverse slots are provided, the damaging, a loss of performance of the machine-causing Counter pressures reduced to a low level.
Die Erfindung wird durch die Zeichnung näher erläutert, und zwar stellen darThe invention is explained in more detail by the drawing, namely represent
Abb. ι den Auspufftopf in schaubildlicher 3S Ansicht,Fig. Ι the muffler in a diagrammatic 3 S view,
Abb. 2 den Auspufftopf im Längsschnitt,Fig. 2 the muffler in longitudinal section,
Abb. 3 den Auspufftopf im Schnitt nach Linie 3-3 der Abb. 2,Fig. 3 the muffler in section along line 3-3 of Fig. 2,
Abb. 4 die beiden mit entgegengesetzt schräg gestellten Auspuffschlitzen versehenen, zwischen dem hinteren Ende des spiralförmigen Kanals und der fischschwanzartigen Fortsetzung eingebauten Scheiben einzeln für sich undFig. 4 the two exhaust slots provided with oppositely inclined, between the rear end of the spiral-shaped channel and the fishtail-like one Continuation of built-in disks individually for themselves and
Abb. 5 einen zum Einbau des spiralförmigen Kanals benötigten Paßring.Fig. 5 shows a fitting ring required for installing the spiral channel.
Der zweckmäßig aus zwei mit Schrauben b zusammengeschlossenen Hälften hergestellte Topf α ist, wie im Hauptpatent beschrieben, mit einem spiralförmigen Kanal versehen, durch den die zunächst in axialer Richtung in die mittlere zylindrische Kammer d einströmenden Auspuffgase mit einem im Topf As described in the main patent, the pot α, which is expediently made of two halves joined together by screws b , is provided with a spiral-shaped channel through which the exhaust gases initially flowing in the axial direction into the central cylindrical chamber d with one in the pot
seitlich vorgesehenen Längsschlitz r gleich einem breitgeidrückten Strahl abgeleitet werden. Laterally provided longitudinal slot r can be derived like a broadly pressed beam.
Erfindungsgemäß wird zwecks Entlastung der Maschine der Topf am hinteren Ende mit einer an sich bekannten fischschwanzartigen Fortsetzung und in derselben mit den Auspuffschlitzen t versehen.According to the invention, in order to relieve the machine, the pot is provided at the rear end with a per se known fish-tail-like continuation and in the same with the exhaust slots t .
Die zwischen die fischschwanzartige hintere Fortsetzung s des Auspufftopfes und das hintere Ende des spiralförmigen Kanals eingebaute schalldämpfende Vorrichtung besteht aus zwei Scheiben m, g, die, wie aus Abb. 2 ersichtlich, mit entgegengesetzt schräg gerichteten Auspuff schlitzen η, I versehen sind. Die eine Scheibe g ist längs ihres Umf anges in der gleichen Weise wie der Paßring f mit Warzen h versehen, die den Abstand der Windungen des Bleches c am hinteren Ende sichern. Um die Scheiben gegen Verdrehung zu sichern, sind Ausschnitte i vorgesehen, in die eine entsprechende, im Innern des Auspufftopfes vorgesehene Nase/ eingreift.The sound-absorbing device installed between the fishtail-like rear continuation s of the muffler and the rear end of the spiral-shaped duct consists of two disks m, g, which, as can be seen from Fig. 2, are provided with mutually oblique exhaust slots η, I. The one disc g is provided along its circumference in the same way as the fitting ring f with warts h , which secure the distance between the turns of the sheet c at the rear end. In order to secure the disks against rotation, cutouts i are provided into which a corresponding nose / provided in the interior of the muffler engages.
Claims (3)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB511491X | 1928-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE511491C true DE511491C (en) | 1930-10-31 |
Family
ID=10458843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DET37774D Expired DE511491C (en) | 1928-11-05 | 1929-10-30 | Sound-absorbing muffler |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE511491C (en) |
-
1929
- 1929-10-30 DE DET37774D patent/DE511491C/en not_active Expired
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