DE2909885A1 - Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamber - Google Patents
Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamberInfo
- Publication number
- DE2909885A1 DE2909885A1 DE19792909885 DE2909885A DE2909885A1 DE 2909885 A1 DE2909885 A1 DE 2909885A1 DE 19792909885 DE19792909885 DE 19792909885 DE 2909885 A DE2909885 A DE 2909885A DE 2909885 A1 DE2909885 A1 DE 2909885A1
- Authority
- DE
- Germany
- Prior art keywords
- ignition
- combustion
- chamber
- post
- combustion chamber
- 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- Withdrawn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
- F01N3/38—Arrangements for igniting
-
- 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
- F01N3/26—Construction of thermal reactors
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Description
Beschreibung description
Die vorliegende Erfindung betrifft eine thermische Verbesserung von nicht-kataltischen Nachverbrennungsanlagen, bei denen Fremdzündung eingesetzt wird. Diese Verbesserung besteht im Einsatz verbesserter Zündsysteme, wobei als Zündsystem der konstruktive Zusammenhang zwischen bestimmten Zündfeld-Positionen innerhalb geeigneter Brennkamnerkonstruktionen und innerhalb eines solchen Entladungsfeldes der Zuführung einer gröberen Zündenergie zu verstehen ist, welche die Zündtemperatur gegenüber einer konventionellen Zündanlage etwa verdoppelt. Insbesondere die Aufbereitung des Zündfunkens mittels sog. kapazitiver Stoßentladung, wie sie insbesondere gemäß deutschem Patent Nr.1902199 ausgearbeitet und in wirtschaftlicher Ausführung vorliegt, ist geeignet, vor allem bei mehrräumigen Brennkammern die Kaltstarteigenschaften und den kontinuierlichen Abbrand magerer Abgas/Zusatzluft-Gemische zu verbessern.The present invention relates to a thermal improvement of non-cataltic afterburning systems in which external ignition is used. This improvement consists in the use of improved ignition systems, said being the ignition system the constructive relationship between certain ignition field positions within suitable combustion chamber constructions and within such a discharge field the supply of a coarser ignition energy is to be understood, which is the ignition temperature approximately doubled compared to a conventional ignition system. In particular, the processing of the ignition spark by means of so-called capacitive surge discharge, as it is in particular according to German patent no.1902199 and is available in an economical version, is suitable, especially in the case of multi-room combustion chambers, the cold start properties and to improve the continuous burn-off of lean exhaust gas / additional air mixtures.
Der erste mit Fremdzündung arbeitende Thermoreaktor, der eine wesentliche Verbesserung der Abgaswerte brachte, war die Konstruktion von C.W.Morris gemäß US-Patent Nr.3037344. Die Nachbrennkammer besteht hierbei aus einem gro.svotum.igen Brennraum (Figur 2 Ziffer 34), dem durch eine am ganzen Jmfang befindliche iochgruppe ein Gemenge Abgas/Zusatzluft zuströmt und hierbei an einer Zündkerze normaler Bauart, die mittig hineinragt, gezün-et wirt. Die Abströmung geht mit einer Richtungsänderung um 90 in einen sicr. verengenden konischen Austrittsraum über. Die erste Umkehrströmungs-Nac..brennkammer gemäß österreichischem Patent Nr.248802 Anspruch 1 in Verbindung mit 23 sah die Zuführung eines Gemenges Abgas/Zusatzluft in einen; sog. Brenn/Luft-Raum bzwT -Rohr vor1 das auf eine Reflexionswand gerichtet ist, den Strom dort zur Umkehr um 1800 veranlaßt und in eine 3rer.nraum-Verlängerung überführt, welche das Brenn/Luft-Rohr, d.h. die erste liacnbrennkammer, mit gegenläufiger Strömungsrichtung umgibt und am Ende dieses Weges eine weitere Reflexionswand vorfindet (Anspruch 24).The first thermoreactor to work with spark ignition, which is an essential The design by C.W.Morris in accordance with the US patent brought about an improvement in the emission values No.3037344. The afterburning chamber consists of a large combustion chamber (Figure 2, number 34), to which a group of holes located on the entire periphery Mixture of exhaust gas / additional air flows in and at a spark plug of normal design, which protrudes in the middle, gezün-et host. The outflow goes with a change of direction at 90 in a sicr. narrowing conical exit space over. The first reverse flow combustion chamber according to Austrian patent No. 248802 claim 1 in connection with 23 saw the Feeding a mixture of exhaust gas / additional air into one; so-called combustion / air space or T pipe vor1 that is directed at a reflection wall, the current there to reverse around 1800 initiated and transferred into a 3rer.nraum-extension, which the combustion / air pipe, i.e. the first liacn combustion chamber, with opposite flow direction, and at the end of this path there is another reflection wall (claim 24).
Der technische Fortschritt dieser Konstruktion gegenüber Morris bestand in vier Konstruktionselementen: 1. In dem Gewinn an Verweilzeit für den Endausbrand, 2. In der Mischungsverbesserung durch die Wandumkehr um 1800, 3. In der Aufheizung des ersten Brennraumes durch den umgebenden mit Nachverbrennungswärme, und 4. in der Zusammenfassung dieser zweistufigen Brennraum-Konstruktion durch die sie umgebenden Reflexionswandungen zu einer Bau einheit ohne Wärmeabstrahlung. Außerdem entspricht diese Zwei-Stufen-Auslegung in ihrer Struktur den Beschickungsvoraussetzungen durch den Kolbenmotor, der in der Regel vergaserseitig ein zweistufiges Düsensystem enthält. Die Leerlaufdüsenbeschickung, in der Regel neben der Hauptdüse noch bis ca. 3000 U/min wirkend, bietet für die Kaltstartsituatonen ein fetteres Gemisch bei einer kleineren Gesamtgasmenge, welche in dem Nachbrennraum, der vom Brenn- und Mischrohr und dem querschnittsgrößeren Umkehrraum gebildet wird, ausreichenden Ausbrandraum vorfindet.The technical advancement of this construction over Morris persisted in four construction elements: 1. In the gain in dwell time for the final burnout, 2. In the mixing improvement through the wall reversal around 1800, 3. In the heating of the first combustion chamber through the surrounding with post-combustion heat, and 4th in summarizing this two-step Combustion chamber construction the surrounding reflective walls to a building unit without heat radiation. In addition, this two-stage design corresponds in its structure to the charging requirements by the piston engine, which usually has a two-stage nozzle system on the carburetor side contains. The idle nozzle feed, usually next to the main nozzle up to Acting approx. 3000 rpm, offers a richer mixture for cold start situations with a smaller total amount of gas, which is in the afterburning chamber, which is from the combustion and mixing tube and the reversing space with a larger cross-section is sufficient Finds the burnout area.
Die zunehmende Hauptdüsenbeschickung mit ihrer größeren Gasmenge findet ir Ausbrandraum zweiter Stufe einen ausreichend zu dimensionierenden Endausbrandraum vor. Das deutsche Patent Wir.2055001 fügte diesem Nachbrennersystem eine auf den Füllungsgrad der Brennkraftmaschine abgestellte zweistufige Zusatzluftbeschickung hinzu und ein flammenstoßartig in die Umkehrzone mündendes sog. Zündrohr. Die vorliegende Anmeldung setzt diese Entwicklung fort durch die Einfügung eines energiereicheren Entladungsstroms mit einer etwa verdoppelten Zündtemperatur (gegenüber konventioneilen Zündanlagen) und durch eine weitere konstruktive Ausarbeitung des für beide Brennraumstufen direkt wirksamen Zündfeldes.The increasing main nozzle loading takes place with their larger amount of gas In the second stage burn-out room a sufficiently dimensioned final burn-out room before. The German patent Wir.2055001 added one to this afterburner system Degree of filling of the internal combustion engine switched off two-stage additional air supply and a so-called ignition tube that opens into the reversal zone like a burst of flames. The present Registration continues this development by inserting a more energetic Discharge current with an approximately doubled ignition temperature (compared to conventional Ignition systems) and through a further constructive elaboration of the for both combustion chamber stages directly effective ignition field.
Diese Zündfeldverbesserung ist im Anspruch 4 in Verbindung mit den Ansprüchen 2 und 3 definiert. Hinsichtlich des Sitzes des Zündelementes zeigte das US-Patent Nr.3347040 des Anmelders in Figur 1 (Ziffer 21j eine Konstruktion gemäß Anspruch 2 und das deutsche Patent Nr. 2055001 eine Konstruktion gemäß Anspruch 3. Die Zündfeldverbesserung besteht, wie die Figuren 1 und 2, die dieser Anmeldung beigefügt sind, zeigen, darin, daß die eine stärkere Zündenergie zuführende Elektrode (22) in einen lochartigen Wanddurchbruch der Zündrohre (Fig.1 : 15; Fig.2 : 21) etwa mittig hineinragt, sodaß der Funkensprung zum Lochrand hin stattfindet und hierdurch gleichzeitig ein Zündfeld für den das betreffende Zündrohr umgebenden größeren Brennkammerraum gebildet wird. Werden gemäß Anspruch 5 in der gleichen Schnittebene des Zündrohres weitere Locnungen angebracht, werden sich die Zündreaktionen in den umgebenden Brennraum (Figur 1 : 17; Figur 2 : 16) mit sternartigen Flammenspitzen ausbreiten. Die Ansprüche 6 und 7 ergänzen diese Konstruktion durch weitere thermisch sichernde Zusatzmaßnahmen.This ignition field improvement is in claim 4 in connection with the Claims 2 and 3 defined. This showed with regard to the location of the ignition element Applicant's U.S. Patent No. 3347040 in Figure 1 (item 21j a construction according to Claim 2 and German Patent No. 2055001 a construction according to claim 3. The ignition field improvement, like FIGS. 1 and 2, consists of this application are attached, show therein that the more ignition energy supplying electrode (22) into a hole-like opening in the wall of the ignition tube (Fig.1: 15; Fig.2: 21) protrudes approximately in the middle, so that the spark jump takes place towards the edge of the hole and this simultaneously creates an ignition field for the one surrounding the ignition tube in question larger combustion chamber space is formed. Are according to claim 5 in the same Cutting plane of the ignition tube attached to further locations, the ignition reactions will be into the surrounding combustion chamber (Figure 1:17; Figure 2: 16) with star-like flame tips spread. The claims 6 and 7 supplement this construction by further thermal additional safeguarding measures.
In der Figur 1 zeigt der Pfeil 1 den Weg des unbehandelten Abgases, Pfeil 2 den Weg der Zusatzluft (+ Pfeil 20) und Pfeil 3 das nachverbrannte Gas.In Figure 1, the arrow 1 shows the path of the untreated exhaust gas, Arrow 2 the path of the additional air (+ arrow 20) and arrow 3 the post-burned gas.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792909885 DE2909885A1 (en) | 1979-03-14 | 1979-03-14 | Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792909885 DE2909885A1 (en) | 1979-03-14 | 1979-03-14 | Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2909885A1 true DE2909885A1 (en) | 1980-09-25 |
Family
ID=6065286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792909885 Withdrawn DE2909885A1 (en) | 1979-03-14 | 1979-03-14 | Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamber |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2909885A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320414A1 (en) * | 1982-02-20 | 1984-10-04 | Hans Karl Dr.jur. 5040 Brühl Leistritz | Exhaust system for internal combustion engines |
DE3322435A1 (en) * | 1983-03-31 | 1984-10-04 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Exhaust system for internal combustion engines |
DE3434980A1 (en) * | 1983-11-24 | 1985-06-05 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Internal combustion engine designed as piston (reciprocating or rotary piston) engine |
DE3347266A1 (en) * | 1983-11-05 | 1986-07-31 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Method for reheating the exhaust gases of a reciprocating-piston internal-combustion engine |
DE3613673A1 (en) * | 1985-09-12 | 1987-03-19 | Leistritz Hans Karl | Internal combustion engine designed as (reciprocating or rotary) piston engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1858637A (en) * | 1928-07-02 | 1932-05-17 | T C Brandle | Exhaust gas burning attachment for all internal combustion engines |
US3347040A (en) * | 1961-08-17 | 1967-10-17 | Leistritz Hanskarl | Apparatus for a noncatalytic afterburning of exhaust gases of internal combustion engines |
DE1476557A1 (en) * | 1963-09-16 | 1970-09-17 | Leistritz Hans Karl | Afterburning process with suction device |
DE2221167A1 (en) * | 1972-04-29 | 1973-11-08 | Leistritz Hans Karl | AFTERBURNING ROOM WALL |
DE2227389A1 (en) * | 1972-06-06 | 1973-12-20 | Norris B Coulp | DEVICE FOR BURNING GASES |
-
1979
- 1979-03-14 DE DE19792909885 patent/DE2909885A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1858637A (en) * | 1928-07-02 | 1932-05-17 | T C Brandle | Exhaust gas burning attachment for all internal combustion engines |
US3347040A (en) * | 1961-08-17 | 1967-10-17 | Leistritz Hanskarl | Apparatus for a noncatalytic afterburning of exhaust gases of internal combustion engines |
DE1476557A1 (en) * | 1963-09-16 | 1970-09-17 | Leistritz Hans Karl | Afterburning process with suction device |
DE2221167A1 (en) * | 1972-04-29 | 1973-11-08 | Leistritz Hans Karl | AFTERBURNING ROOM WALL |
DE2227389A1 (en) * | 1972-06-06 | 1973-12-20 | Norris B Coulp | DEVICE FOR BURNING GASES |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320414A1 (en) * | 1982-02-20 | 1984-10-04 | Hans Karl Dr.jur. 5040 Brühl Leistritz | Exhaust system for internal combustion engines |
DE3322435A1 (en) * | 1983-03-31 | 1984-10-04 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Exhaust system for internal combustion engines |
DE3347266A1 (en) * | 1983-11-05 | 1986-07-31 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Method for reheating the exhaust gases of a reciprocating-piston internal-combustion engine |
DE3434980A1 (en) * | 1983-11-24 | 1985-06-05 | Hans Karl Dr.jur. 7891 Küssaberg Leistritz | Internal combustion engine designed as piston (reciprocating or rotary piston) engine |
DE3613673A1 (en) * | 1985-09-12 | 1987-03-19 | Leistritz Hans Karl | Internal combustion engine designed as (reciprocating or rotary) piston engine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60028690T2 (en) | Combustion chamber wall with staggered dilution | |
EP0274630B1 (en) | Arrangement for a burner | |
DE102018117726A1 (en) | Internal combustion engine | |
DE2503811A1 (en) | COMBUSTION MACHINE | |
EP0307538A2 (en) | Furnace device | |
DE112006001861T5 (en) | spark plug | |
DE1806764A1 (en) | Combustion engine and combustion process carried out using a diffuse mixture and additional air | |
DE2710482C2 (en) | Spark ignition internal combustion engine | |
DE2448815B2 (en) | Exhaust system for an externally ignited internal combustion engine with main combustion chambers and auxiliary combustion chambers and exhaust gas afterburning | |
DE3226959A1 (en) | PISTON INTERNAL COMBUSTION ENGINE WITH IGNITION | |
DE2909885A1 (en) | Two-chamber exhaust afterburner - uses common high energy external ignition in region where flow reverses from first to second chamber | |
DE1576030A1 (en) | Working method and embodiments for an internal combustion engine with fuel evaporation and external ignition | |
DE3244854A1 (en) | BURNER | |
DE3318054C2 (en) | Burners for small air heaters for heating portable rooms | |
DE2401599A1 (en) | PROCEDURE TO REDUCE COMBUSTION ENGINE POLLUTION AND ENGINE PERFORMING THE PROCEDURE | |
DE102009046092A1 (en) | Spark plug for use in internal combustion engines with direct injection and suction line injection, has central electrode as ground electrode of cover electrode and two side electrodes | |
DE2536775A1 (en) | MIXED COMPRESSING, EXTERNALLY STARTED FOUR-STROKE COMBUSTION MACHINE | |
DD287080A5 (en) | COMBUSTION ENGINE | |
EP0345436A1 (en) | Two-stroke double piston engine | |
DE3141076C2 (en) | ||
DE1426219A1 (en) | Exhaust gas afterburner with turbulent flow and heat exchanger | |
DE2536282A1 (en) | ROTATING MOTOR | |
DE2147648C3 (en) | Spark ignition internal combustion engine with hemispherical combustion chamber in the cylinder head | |
DE2439423A1 (en) | BURNER FOR CIGARETTE LIGHTER | |
DE2631762A1 (en) | Fuel injection IC engine for automobiles - has outlet of auxiliary chamber in line with injector to give straight fuel path |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8141 | Disposal/no request for examination | ||
8110 | Request for examination paragraph 44 | ||
8180 | Miscellaneous part 1 |
Free format text: IN HEFT 24/86, SEITE 5333, SP.2: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |
|
8130 | Withdrawal |