DE3129609A1 - Reversible multi cylinder internal combustion engine - Google Patents

Reversible multi cylinder internal combustion engine

Info

Publication number
DE3129609A1
DE3129609A1 DE19813129609 DE3129609A DE3129609A1 DE 3129609 A1 DE3129609 A1 DE 3129609A1 DE 19813129609 DE19813129609 DE 19813129609 DE 3129609 A DE3129609 A DE 3129609A DE 3129609 A1 DE3129609 A1 DE 3129609A1
Authority
DE
Germany
Prior art keywords
cylinder
exhaust
cylinders
internal combustion
combustion 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.)
Ceased
Application number
DE19813129609
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German (de)
Inventor
Adolf 2360 Bad Segeberg Freese
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Individual
Original Assignee
Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to DE19813129609 priority Critical patent/DE3129609A1/en
Publication of DE3129609A1 publication Critical patent/DE3129609A1/en
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005—Deactivating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/06—Engines with prolonged expansion in compound cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B69/00—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
    • F02B69/06—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different cycles, e.g. convertible from two-stroke to four stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

Published without abstract.

Description

Patentbeschreibung zu meinem Antrag vom 24.7.1981Patent description for my application dated July 24, 1981

Bezeichnung: Umschaltbare Mehrzylinder Brennkraftmaschine Bei dem von mir entwickelten Motor mit Zylinderabschaltung geht es um Brennstoffersparnis dadurch, daß der Motor nach Umschaltung mit 2 ylindern im Viertakt weiterläuft und die Kolben 2 + 3 durch Offenstehen der Auslaßventile und geschlossener Saugventile von der Rest@nergie der Auspuffgase von Zyl. 1 + 4 beaufschlagt werden, somit als Dopp@lkolb@n-2-Takt-Abgasstufe läuft. Designation: Switchable multi-cylinder internal combustion engine The engine with cylinder deactivation developed by me is about fuel economy in that the engine continues to run in four-stroke after switching with 2 ylinders and the pistons 2 + 3 by keeping the exhaust valves open and the suction valves closed of the residual energy of the exhaust gases from cyl. 1 + 4 are applied, thus as Dopp @ lkolb @ n 2-stroke emissions stage is running.

Zur günstigsten Einstellung des Abgasdruckes in der Aus anlage dient du Drosselventil.For the most favorable adjustment of the exhaust gas pressure in the plant is used you throttle valve.

Um die beste Leistung des Motors zu @rzielen, ist eine Yersetz der Kurbelzapfen über 18. Grad erforderlich, die beim 4-Zylinder-4-Takt-B@trieb keine Schwierigkeiten nacht.To get the best performance from the engine, a substitute is the Crank pin over 18 degrees required, which in the 4-cylinder 4-stroke B @ did not drive Trouble night.

Die Umschaltung erfolgt über einen Elektromotor in Sekunden-@chnelle. Der Schaltimpuls erfolgt im Bedarfsfall manu@ll oder automatisch.The switchover takes place in a matter of seconds via an electric motor. If necessary, the switching impulse occurs manually or automatically.

Figur 1 = Stellung 4-Dakt-Betrieb 1. Exzentrischer Zapfen in der Kipphebelwelle 2. Kipphebellager mit exzentrischer Bohrung und Verzahnung 3. Auslaßkipphebel mit Schaltlippe für Nebennockenwelle 4. Nebennockenwelle zur Offenstellung des Auspuffventiles 5. Hauptnockenwelle Figur 2 = Schaltung 2-Zyl.-4-Takt plus 2-Zyl .-2-Takt-Abgasstufe 1. Exzentrischer Zapfen der Kipphebelwelle 2. Kipphebellager in Stellung Abgasbetrieb. Durch drehen des Lagers entsteht eine Mittelpunktverlagerung, so daß die Nokkenwelle den Kipphebel nicht mehr erreichen kann. Die Ventilbetätigung ist stillgelegt und das Saugventil bleibt geschlossen.Figure 1 = position 4-Dakt operation 1. Eccentric pin in the rocker arm shaft 2. Rocker arm bearing with eccentric bore and toothing 3. Exhaust rocker arm with Switching lip for secondary camshaft 4. Secondary camshaft for opening the exhaust valve 5. Main camshaft Figure 2 = circuit 2-cylinder 4-stroke plus 2-cylinder 2-stroke exhaust stage 1. Eccentric pin of the rocker arm shaft 2. Rocker arm bearing in the exhaust gas mode. By turning the bearing a center shift occurs, so that the camshaft can no longer reach the rocker arm. The valve actuation is shut down and the suction valve remains closed.

3. Schaltlippe am Auslaßkipphebel für den Auflauf der Nebennockenwelle. 3. Switching lip on the exhaust rocker arm for opening the auxiliary camshaft.

4. Nebennockenwelle in Offenstellung für das Auslaßventil-Stellung Abgas stufe 5. Nauptnockenwelle Figur 3 2. Verzahntes Kipphebellager mit exzentrischer Bohrung 3. Auslaßkipphebel mit Schaltlippe für Zylinder 2 und 3 Figur 4 4. Kipphebel mit Schaltlippe einzeln Figur 5 = Kurbelzapfenversatz zwischen Zyl. 1 + 4 zu Zyl. 2 + 3 6. Hauptlager 7. Kurbelwellenlagerzapfen Zyl. 2 + 3 8. Kurbelwellenlagerzapfen Zyl. 1 + 4 9. Gradzahl über 1800 Figur 6 = Antriebsschema der Umschaltung 1. Schaltwelle mit Zahnrad 2. Verzahnte Kipphebellagerung 3. Zwischenrad 4. Antriebsrad für Nebennockenwelle Figur 7 = Scharnierlagerbock für stößelstangengesteuerte Saugventil-Kipphebel 10. Scharnier im Kipphebellagerb@ck-Stellung 4-Zyl. Betrieb 11. Kipphebel 12. Schaltnocken in Stellung 4-Zylinder-Betrieb 13. Kipphebellagerbock komplett Figur 8 = Stellung 2-Zylinder-4-Takt + 2-Zylinder-Ab@as 100 Scharnier im Kipphebellagerb@ck 11. Kipphebel 12. Schaltnocken in Stellung 2-Zyl.-4-Takt + 2-Zyl.-Abgas 13. Gesamtlagerbock Figur 9 Zylinder 1 Ansaugtakt Zylinder 2 + 3 Abgasstufe - Auspufftakt Zylinder 4 Explosionstakt Figur lo Zylinder 1 Verdichtungstakt Zylinder 2 + 3 Arbeitstakt Zylinder 4 Auspufftakt Figur 11 Zylinder 1 Explosionstakt Zylinder 2 + 3 Auspufftakt Zylinder 4 Ansaugtakt Figur 12 Zylinder 1 Auspufftakt Zylinder 2 + 3 Arbeitstakt Zylinder 4 Kompressionstakt 4. Sub camshaft in open position for the exhaust valve position Exhaust level 5. Main camshaft Figure 3 2. Toothed rocker arm bearing with eccentric Bore 3. Outlet rocker arm with switching lip for cylinder 2 and 3 Figure 4 4. Rocker arm with switching lip individually Figure 5 = crank pin offset between cyl. 1 + 4 to cyl. 2 + 3 6. Main bearing 7. Crankshaft journal cyl. 2 + 3 8. Crankshaft journal Cyl. 1 + 4 9th degree over 1800 Figure 6 = drive scheme for switching 1. Shift shaft with gear wheel 2. Toothed rocker arm bearing 3. Intermediate wheel 4. Drive wheel for secondary camshaft Figure 7 = hinge bracket for pushrod-controlled suction valve rocker arms 10. Hinge in rocker arm bearing bracket position 4-cyl. Operation 11. Rocker arm 12. Switch cam in position 4-cylinder operation 13. Complete rocker arm bracket Figure 8 = position 2-cylinder 4-stroke + 2-cylinder Ab @ as 100 hinge in the rocker arm bracket 11. Rocker arm 12. Switch cam in position 2-cylinder 4-stroke + 2-cylinder exhaust 13. Overall bearing block figure 9 cylinder 1 intake cycle cylinder 2 + 3 exhaust stage - exhaust cycle cylinder 4 explosion cycle Figure lo cylinder 1 compression stroke cylinder 2 + 3 working stroke cylinder 4 exhaust stroke Figure 11 cylinder 1 explosion cycle cylinder 2 + 3 exhaust cycle cylinder 4 intake cycle Figure 12 cylinder 1 exhaust stroke cylinder 2 + 3 working stroke cylinder 4 compression stroke

Claims (8)

Patentanspruch zu meiner Patentanmeldung vom 24.7.81 1. Mehrzylinder-Mehrtakt-Brennkraftmaschine, d a d u r c h g e k e n n z e i c h n e t, daß eine 4-Zylinder-4-Takt-Brennkraftmaschine durch Umschaltung als 4-Zylinder oder als 2-Zylinder-4-Xakt plus 2-Zylinder-2-Takt, gespeist mit der Restenergie der Auspuffgase von Zylinder 1 und 4, gefahren werden kann.Claim to my patent application from July 24th, 1981 1st multi-cylinder multi-stroke internal combustion engine, d a d u r c h e k e n n n z e i c h n e t that a 4-cylinder 4-stroke internal combustion engine by switching as 4-cylinder or as 2-cylinder-4-Xact plus 2-cylinder-2-stroke, fed with the residual energy of the exhaust gases from cylinders 1 and 4 can. 20 Brennkraftmaschine, dadurch gekennzeichnet, daß für eine Grundeinheit 4 Zylinder, sowie der dazugehörige Abgassammler, der eine ständige Verbindung mit den 4 Auslaßkanälen hat, benötigt werden.20 internal combustion engine, characterized in that for a basic unit 4 cylinders, as well as the associated exhaust manifold, which is a permanent connection with the 4 outlet channels are required. 3. Brennkraftmaschine, dadurch gekennzeichnet, daß jeder Zylinder einen eigenen Ansaugkanal besitzt, damit jeder Zylinder mit eigenem Vergaser oder Einspritzung versehen werden kann. Bei Umschaltung auf Abgasbetrieb bleiben die Saugventile von Zylinder 2 und 3 geschlossen, so daß beim Einspritzverfahren die Einspritzung für Zylinder 2 und 3 unterbrochen werden muß.3. Internal combustion engine, characterized in that each cylinder has its own intake port so that each cylinder has its own carburetor or Injection can be provided. When switching to exhaust gas operation, the remain Suction valves of cylinder 2 and 3 closed, so that the injection process Injection for cylinders 2 and 3 must be interrupted. 4. Brennkraftmaschine, dadurch gekennzeichnet, daß durch einen Mechanismus, der die Auslaßventile von Zylinder 2 und 3 offen stellt und die Ansaugventile geschlossen läßt, ein kraftstoffsparender Motor entsteht, der auch die Restenergie der Abgase von Zylinder 1 und 4 ausnützt. Die zur Grundeinheit gehörenden Auslaßventile des Abgassammlers werden so gesteuert, daß die Auslaßgase abwechselnd abgegeben werden. Das Drosselventil dient zur günstigsten Arbeitsdruckeinstellung im Sammler.4. Internal combustion engine, characterized in that by a mechanism which opens the exhaust valves of cylinders 2 and 3 and closes the intake valves leaves, a fuel-efficient engine is created, which also uses the residual energy of the exhaust gases of cylinders 1 and 4 is used. The exhaust valves of the Exhaust manifolds are controlled so that the exhaust gases are emitted alternately. The throttle valve is used for the most favorable working pressure setting in the collector. 5. Brennkraftmaschine, dadurch gekennzeichnet, daß die Kurbelwellenzapfen von Zylinder 1 und 4 zu Zylinder 2 und 3 über 180 Grad zu versetzen sind. Da je nach Motorkonstruktion die Auslaßventile weit vor UT öffnen,findet eine zu frühe Überströmung von Zylinder 1 und 4 zu Zylinder 2 und 3 und würde einen teistungsverlust bedeuten.5. Internal combustion engine, characterized in that the crankshaft journal from cylinder 1 and 4 to cylinder 2 and 3 are to be offset by 180 degrees. Since ever after engine design the exhaust valves open well before BDC, finds one too early Overflow from cylinder 1 and 4 to cylinder 2 and 3 and would result in a loss of power mean. Unter Berücksichtigung von a) Öffnung der Auslaßventile vor U b) Uberströmungszeit von Zylinder 1 und 4 zu Zylinder 2 und 3 c) bestem Früheinströmungszeitpunkt wird die Gradzahl über 180 bestimmt. Taking into account a) opening of the exhaust valves before U b) Overflow time from cylinders 1 and 4 to cylinders 2 and 3 c) best early inflow time the number of degrees is determined over 180. Nockenwelle und Zündung müssen entsprechend angepaßt werden. Camshaft and ignition must be adjusted accordingly. 6. Brennkraftmaschine, dadurch gekennzeichnet, daß die Primärstufe von Zylinder 1 und 4 mit kleineren Kolben und die Sekundärstufe mit größeren Kolben ausgerüstet werden kann, um die Auspuffrestenergie noch besser auszunützen.6. Internal combustion engine, characterized in that the primary stage of cylinders 1 and 4 with smaller pistons and the secondary stage with larger pistons can be equipped to make even better use of the residual exhaust energy. 7. Brennl:raftmaschine, dadurch gekennzeichnet, daß bei Vereinfachung des Motors und Verzicht auf maximale Leistung auch ohne huslaßventilsteuerung im Sammler gefahren werden kann. Der Auspufftakt wird dann vom Drosselventil übernommen und die Auslaßventile des Sammlers von der Umschalteinrichtung betätigt. Die Umschaltung vollzieht ein elektrischer Motor in Sekundenschnelle, bei jeder Drehzahl der Brennkraftmaschine. Bei Umschaltung auf 4 Zylinder wird die Ventilsteuerung für Zylinder 2 und 3 wieder wirksam. Die Auslaßventile werden von der Nebennockenwelle freigegeben und die Auslaßventile im Abgassammler geöffnet.7. Brennl: raft machine, characterized in that for simplification of the engine and foregoing maximum performance even without the shut-off valve control in the Collector can be driven. The exhaust stroke is then taken over by the throttle valve and actuates the outlet valves of the collector by the switching device. The switchover an electric motor performs in a matter of seconds, at any speed of the internal combustion engine. When switching to 4 cylinders, the valve control for cylinders 2 and 3 is restored effective. The exhaust valves are released by the secondary camshaft and the exhaust valves open in the exhaust manifold. 8. Brennkraftmaschine, dadurch gekennzeichnet, daß der Motor unter Berücksichtigung der Grundeinheit in der Zylinderzahl erweitert werden kann.8. Internal combustion engine, characterized in that the engine under Consideration of the basic unit in the number of cylinders can be expanded.
DE19813129609 1981-07-28 1981-07-28 Reversible multi cylinder internal combustion engine Ceased DE3129609A1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572114A (en) * 1984-06-01 1986-02-25 The Jacobs Manufacturing Company Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle
EP0198504A2 (en) * 1985-04-19 1986-10-22 Räntsch, Manfred Four-stroke engine with prolonged expansion
US5007382A (en) * 1989-05-09 1991-04-16 Isuzu Motors Limited Cycle changeable engine
US5657724A (en) * 1995-11-03 1997-08-19 Outboard Marine Corporation Internal combustion engine construction
WO2008101495A3 (en) * 2007-02-22 2008-10-09 Seneca S A Internal combustion engine
DE102010021981A1 (en) 2010-05-29 2011-12-01 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Method for operating internal combustion engine, involves carrying out changeover of operating method between two-stroke-operation and four-stroke operation, where number of cylinders operated with internal combustion is selectable
CN103016148A (en) * 2012-12-12 2013-04-03 清华大学 Four-stroke and two-stroke combined cycle internal-combustion engine
DE102013006703A1 (en) * 2013-04-18 2014-10-23 Reinhard Legat Internal combustion engine with re-expansion of the working gas in the partial load range
RU2637594C1 (en) * 2016-11-23 2017-12-05 Анатолий Александрович Рыбаков Method for starting and reversing tandem two-stroke engine with external combustion chamber
RU2647950C1 (en) * 2016-11-02 2018-03-21 Анатолий Александрович Рыбаков Method of reversing the power takeoff shaft rotation of the two-motor engine with external combustion chamber

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE332266C (en) * 1918-05-12 1921-01-26 Fried Krupp Akt Ges Germaniawe Manual reversal for internal combustion engines
DE333508C (en) * 1919-02-21 1921-02-26 Fried Krupp Akt Ges Germaniawe Ventilation device for working cylinders of internal combustion engines
DE544741C (en) * 1929-10-17 1932-02-22 Herbert Haentzschel Reversal for internal combustion engines that work in four-stroke or two-stroke
FR1152213A (en) * 1955-04-19 1958-02-13 Napier & Son Ltd Method for facilitating the starting of internal combustion engines
DE2552605A1 (en) * 1975-11-24 1977-06-02 Elsbett L Six cylinder diesel engine - uses two cylinders as air compressors to charge storage tank
DE2838682A1 (en) * 1978-09-05 1980-03-13 Bayerische Motoren Werke Ag Load control for multicylinder otto engine - interrupts fuel supply to some cylinders and connects them to exhaust of other cylinders
DE3017468A1 (en) * 1979-05-07 1980-11-13 Nissan Motor PARALLEL-DISABLE COMBUSTION ENGINE
US4250850A (en) * 1977-12-29 1981-02-17 Charles Ruyer Reduced load working cycle for a four-stroke combustion engine and engines using said cycle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE332266C (en) * 1918-05-12 1921-01-26 Fried Krupp Akt Ges Germaniawe Manual reversal for internal combustion engines
DE333508C (en) * 1919-02-21 1921-02-26 Fried Krupp Akt Ges Germaniawe Ventilation device for working cylinders of internal combustion engines
DE544741C (en) * 1929-10-17 1932-02-22 Herbert Haentzschel Reversal for internal combustion engines that work in four-stroke or two-stroke
FR1152213A (en) * 1955-04-19 1958-02-13 Napier & Son Ltd Method for facilitating the starting of internal combustion engines
DE2552605A1 (en) * 1975-11-24 1977-06-02 Elsbett L Six cylinder diesel engine - uses two cylinders as air compressors to charge storage tank
US4250850A (en) * 1977-12-29 1981-02-17 Charles Ruyer Reduced load working cycle for a four-stroke combustion engine and engines using said cycle
DE2838682A1 (en) * 1978-09-05 1980-03-13 Bayerische Motoren Werke Ag Load control for multicylinder otto engine - interrupts fuel supply to some cylinders and connects them to exhaust of other cylinders
DE3017468A1 (en) * 1979-05-07 1980-11-13 Nissan Motor PARALLEL-DISABLE COMBUSTION ENGINE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z: Motortechnische Zeitschrift 11,1950, Nr.5, S.114-117 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572114A (en) * 1984-06-01 1986-02-25 The Jacobs Manufacturing Company Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle
EP0198504A2 (en) * 1985-04-19 1986-10-22 Räntsch, Manfred Four-stroke engine with prolonged expansion
EP0198504A3 (en) * 1985-04-19 1987-12-09 Räntsch, Manfred Four-stroke engine with prolonged expansion
US5007382A (en) * 1989-05-09 1991-04-16 Isuzu Motors Limited Cycle changeable engine
US5657724A (en) * 1995-11-03 1997-08-19 Outboard Marine Corporation Internal combustion engine construction
WO2008101495A3 (en) * 2007-02-22 2008-10-09 Seneca S A Internal combustion engine
DE102010021981A1 (en) 2010-05-29 2011-12-01 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Method for operating internal combustion engine, involves carrying out changeover of operating method between two-stroke-operation and four-stroke operation, where number of cylinders operated with internal combustion is selectable
CN103016148A (en) * 2012-12-12 2013-04-03 清华大学 Four-stroke and two-stroke combined cycle internal-combustion engine
DE102013006703A1 (en) * 2013-04-18 2014-10-23 Reinhard Legat Internal combustion engine with re-expansion of the working gas in the partial load range
DE102013006703B4 (en) * 2013-04-18 2017-02-09 Reinhard Legat Internal combustion engine with re-expansion of the working gas in the partial load range
RU2647950C1 (en) * 2016-11-02 2018-03-21 Анатолий Александрович Рыбаков Method of reversing the power takeoff shaft rotation of the two-motor engine with external combustion chamber
RU2637594C1 (en) * 2016-11-23 2017-12-05 Анатолий Александрович Рыбаков Method for starting and reversing tandem two-stroke engine with external combustion chamber

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