DE10109402A1 - Duo-thermal-isochoric opposed piston vegetable oil engine for aircraft and cars, is combined with optimally quiet electric motor with exhaust gas turbine coupled via gear wheel transmission - Google Patents

Duo-thermal-isochoric opposed piston vegetable oil engine for aircraft and cars, is combined with optimally quiet electric motor with exhaust gas turbine coupled via gear wheel transmission

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Publication number
DE10109402A1
DE10109402A1 DE10109402A DE10109402A DE10109402A1 DE 10109402 A1 DE10109402 A1 DE 10109402A1 DE 10109402 A DE10109402 A DE 10109402A DE 10109402 A DE10109402 A DE 10109402A DE 10109402 A1 DE10109402 A1 DE 10109402A1
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Germany
Prior art keywords
piston
isochoric
vegetable oil
optimally
counter
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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Withdrawn
Application number
DE10109402A
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German (de)
Other versions
DE1129741T1 (en
Inventor
Ludwig Elsbett
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Individual
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Individual
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Priority to DE10109402A priority Critical patent/DE10109402A1/en
Publication of DE10109402A1 publication Critical patent/DE10109402A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/08—Engines with oppositely-moving reciprocating working pistons
    • 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
    • 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
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • Y02T10/40—Engine management systems
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Supercharger (AREA)

Abstract

The engine is combined with an optimally quiet electric motor with an exhaust gas turbine (4) coupled via a gear wheel (5) transmission. The combustion chamber is supplied with fresh air from the opposed piston engine that is ignited in the event of an overload. The upper edge of the exhaust piston forms a supersonic nozzle with the cylinder slit edge and gas heat losses are reduced.

Description

Es geht um Fortsetzung der Entwicklungsreihe zur Reduzierung von Wärme- und Reibverlusten, also um die Technik in Akten­ zeichen: 100 64 302.7, 100 15 725.4, 195 21 378.5 sowie 198 21 074.4 und 199 10 092.6.It is about continuing the development series for reduction heat and friction losses, i.e. the technology in files characters: 100 64 302.7, 100 15 725.4, 195 21 378.5 and 198 21 074.4 and 199 10 092.6.

Die heutige Schrift befasst sich mit der weiteren Verbes­ serung des thermischen Wirkungsgrades.Today's writing deals with the further verb thermal efficiency.

Es geht hier um die Nachverbrennung der am Ende des Spülvor­ ganges ins Abgas geförderten Frischluft als Turbinenantrieb, ferner um Gasstromverbesserung durch Gestaltung der Kolben­ kanten- und Schlitzkantenformen. Es geht auch um einen Alu­ block mit eingegossenem Graugusszylinder für den Einsatz die­ ser Gegenkolbenmotor-Technik auch für PKW- und Flugzeugmoto­ ren, wo die Vorteile des Gegenkolbenmotors auch in Kombina­ tion mit einem Elektromotor wirksam werden.It's about the afterburning at the end of the rinse fresh air conveyed into the exhaust gas as a turbine drive, also to improve gas flow by designing the pistons edge and slot edge shapes. It's also about an aluminum block with cast-in cast iron cylinder for use in the This counter-piston engine technology also for car and airplane engines where the advantages of the opposed piston engine are also in Kombina tion with an electric motor.

Die vorgeschlagene Technik brächte Fortschritte für die Flug­ strecke eines Reiseflugzeugs, das immer noch auf Benzinmoto­ ren für den Propellerantrieb mit einem Gesamtwirkungsgrad um 20% und Kosten von 3,- DM/Liter Kraftstoff angewiesen ist.The proposed technology would bring progress to the flight stretch of a touring plane that is still on petrol engine for the propeller drive with an overall efficiency by 20% and costs 3, - DM / liter fuel.

Eine Steigerung des thermischen Wirkungsgrades in der Formel T1 - T2/T1 ist hier durch die Reduzierung von T2 im Diesel­ verfahren und eine weitergehende Gasexpansion einer nach­ geschalteten Turbine erreicht. Diese Turbine ist mechanisch mit der Kurbelwelle verbunden.An increase in the thermal efficiency in the formula T 1 - T 2 / T 1 is achieved here by reducing T 2 in the diesel process and further expansion of the gas of a downstream turbine is achieved. This turbine is mechanically connected to the crankshaft.

Erreicht werden kann dabei ξ therm. mit 2400°K - 750°K/24000 = 0,687 und ein ξ mech. von 0,9 durch das Gegenkolbenprinzip mit nur einem statt mit sechs Zylindern und halber Drehzahl, so, wie es in den Bildern dargestellt ist.Ξ therm. Can be reached with 2400 ° K - 750 ° K / 24000 = 0.687 and a ξ mech. of 0.9 through the counter-piston principle with only one instead of six cylinders and half speed, as it is shown in the pictures.

Statt mit unterkühlter Batterie kann selbst in Sibirien dann mittels brennender Pressluft auch über die angekoppelte Turbine gestartet werden und mit dem billigen Diesel- oder Pflanzenöl fast dreimal weiter geflogen werden als mit Benzin.Instead of using a hypothermic battery, even in Siberia by means of burning compressed air also via the coupled one Turbine can be started and with the cheap diesel or Vegetable oil is flown almost three times further than with Petrol.

Im PKW-Einsatz kann anstelle von teurem Vielzylinderkomfort der Gegenkolben-Einzylinder mit Elektrokomfort kombiniert werden und zwar ohne grossen Treibstoffverbrauch.In passenger car use, instead of expensive multi-cylinder comfort the counter-piston single cylinder combined with electrical comfort without consuming a lot of fuel.

Der neue Komfort entsteht durch elektromotorisches Anfahren, bei Ortsdurchfahrten und bei Ampelstopp, also ohne Luft- und Lärmbelastung. Im Bereich der freien Fahrt schaltet die Auto­ matik dann auf die Brennkraftmaschine um. die auch alle Batterien wieder auflädt. Dabei kann der elektromotorische Antrieb über die gleiche Achse einwirken wie der Kolbenmotor oder, als weitere Komfortsteigerung, auf ein 5. Rad einwir­ ken (Aktenzeichen 100 15 725.4)The new comfort comes from electric motor start-up, when passing through town and at traffic lights, i.e. without air and Noise pollution. The car shifts in the area of free travel then on the internal combustion engine. all of them Recharges batteries. The electromotive Actuate drive via the same axis as the piston engine or, as a further increase in comfort, act on a 5th wheel ken (file number 100 15 725.4)

Damit entsteht ausser dem Vorderachsantrieb ein Antrieb des belasteten 5. Rades, wofür kein Differential erforderlich ist. Das bedeutet, dass der Elektromotor auch in die Felge dieses Rades eingebaut sein kann.This creates a drive for the front axle drive loaded 5th wheel, for which no differential is required is. That means the electric motor is also in the rim this wheel can be installed.

Für den Einbau in einen PKW erlaubt die Gewichtserleichterung eine Kombination mit Elektromo­ toren zwecks Komfortsteigerung für das Anfahren und bei Ortsdurchfahrten ohne Geräusch- und Geruchsbelästigung. Allowed for installation in a car the weight reduction a combination with Elektromo gates to increase comfort for starting and at Passing through town without noise and smell.  

Bild 1 zeigt den Gegenkolbenzylinder 1 mit dem Einlass­ kanal 2 und dem Auslasskanal 3 mit der zugeschal­ teten Abgasturbine 4, die über das Zahnrad 5 mit der Kurbelwelle verbunden ist.
Die Kolbenbrennräume des Einlasskolbens 6 und des Auslasskolbens 7 sind im Einspritzpunkt dargestellt - Dabei ist die Lage der Einspritzdüsen 8 und 9 in der Antriebsebene des Bildes 1 und in der Drauf­ sicht, Bild 2, mit 10 imd 11 dargestellt. Figure 1 shows the opposing piston cylinder 1 with the inlet channel 2 and the outlet channel 3 with the exhaust gas turbine 4 connected , which is connected to the crankshaft via the gearwheel 5 .
The piston combustion chambers of the inlet piston 6 and the Auslasskolbens 7 are shown in the injection point - The position of the injection nozzles 8 and 9 is view in the drive plane of the image 1 and in plan, Figure 2, shown with 10 IMD. 11

Bild 2 zeigt ausser Drallrichtung 12 der Luft auch die Düse 13 für die Erzeugung des Dralls im Einlass­ kanal 14. Vorgesehen ist auch ein Leitblech 15, das durch den Reglerstift 16 den Luftdrall nach Bedarf verändern kann. In addition to the direction of swirl 12 of the air, Figure 2 also shows the nozzle 13 for generating the swirl in the inlet duct 14 . A guide plate 15 is also provided which can be changed by the regulator pin 16 as required.

Bild 3 zeigt mit der Druckverlaufskurve p den Energiean­ fall in der Turbine 4, die ihre Energie an die Kurbelwelle liefert.
Ab Auslass, am Punkt 17, kann mittels Nachbrenner die in den Auslasskanal gelangte unverbrannte Spül­ luft gezündet werden. Die damit erzeugte Turbo­ energie kommt ebenso wie die Kolbenenergie der Motorenleistung für Beschleunigungsvorgänge zugute. Figure 3 shows with the pressure curve p the energy consumption in the turbine 4 , which delivers its energy to the crankshaft.
From the outlet, at point 17 , the unburned purge air that has entered the outlet channel can be ignited by means of an afterburner. The turbo energy generated in this way, as well as the piston energy, benefits the engine power for acceleration processes.

Bild 4 stellt die Strömungsform der Auslasskolbenkante 18 dar. Figure 4 shows the flow shape of the outlet piston edge 18 .

Bild 5 zeigt mit 19 die gewünschte Form an der Einlass­ kolbenkante. Dargestellt ist auch die Ausführung von eingegossenen Graugussbüchsen 20 und 21 mit Absicherung 22 in einem aus Gewichtsgründen vorgesehenen Aluminiumgehäuse 23. Figure 5 shows the desired shape at 19 at the inlet edge of the piston. Also shown is the execution of cast-in cast iron bushings 20 and 21 with safety device 22 in an aluminum housing 23 provided for weight reasons.

Bild 6 zeigt die Steuerzeiten. Figure 6 shows the timing.

Claims (6)

1. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor, dadurch gekennzeichnet, dass er mit dem optimal leisen Elektromotor mit einer über Zahnradübersetzung gekoppelten Ab­ gasturbine verbunden ist, deren Brennkammer ausser durch Abgase auch mit Frischluft vom Gegenkolbenmotor versorgt wird, die bei Über­ lastung gezündet wird.1. Optimally economical duothermal isochoric counter-piston vegetable oil engine, characterized in that it is connected to the optimally quiet electric motor with a gas turbine coupled via gear transmission, the combustion chamber of which, in addition to exhaust gases, is supplied with fresh air from the counter-piston engine, which is ignited when overloaded , 2. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor, dadurch gekennzeichnet, dass die Energieversorgung der Turbine aus dem Motorenzylinder dadurch erhöht wird, dass die Auslasskolben-Oberkante zusammen mit der Zylin­ derschlitzkante eine Überschalldüse bildet und in diesem Luftspalt kein zündbares Luftgemisch erzeugt wird. Die Verluste von Gaswärme werden erspart, wie es das Duothermverfahren erfordert.2. Optimally economical duothermal isochoric counter-piston Vegetable oil engine, characterized in that the power supply to the turbine from the Engine cylinder is increased by the fact that Exhaust piston top edge together with the cylin the slot edge forms a supersonic nozzle and no ignitable air mixture in this air gap is produced. The losses of gas heat will be saved, as required by the Duotherm process. 3. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor nach 1) und 2), dadurch gekennzeichnet, dass auch die Abschrägung der Oberkante des Einlass­ kolbens diesem Zwecke dient.3. Optimally economical duothermal isochoric counter-piston Vegetable oil engine according to 1) and 2), characterized in that also the bevel on the top edge of the inlet piston serves this purpose. 4. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor nach 2) und 3), dadurch gekennzeichnet, dass die Entzündung des Kraftstoffes bis in den zen­ tralen Brennraum dadurch verzögert wird, dass bis dahin dem Kraftstoffstrahl keine wesentliche Luftmenge zugeführt wird.4. Optimally economical duothermal isochoric counter-piston Vegetable oil engine according to 2) and 3), characterized in that the ignition of the fuel in the zen central combustion chamber is delayed by the fact that until then the fuel jet is no significant Air volume is supplied. 5. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor nach 1), dadurch gekennzeichnet, dass mit Hilfe der Kolbenkantenform sowohl Auslass- wie Einlass­ zeitquerschnitte zu Gunsten der Turbinenleistung vergrössert werden, um zu einer Optimierung der Gesamtleistung von Kolben und Turbine zu kommen.5. Optimally economical duothermal isochoric counter-piston Vegetable oil engine according to 1), characterized in that with the help the piston edge shape both outlet and inlet time cross sections in favor of turbine performance be enlarged to optimize the Total output of pistons and turbine to come. 6. Optimal sparsamer duotherm-isochor Gegenkolben- Pflanzenölmotor nach 2), dadurch gekennzeichnet, dass die Wärmeausdehnung von den 3 Zylinderabschnit­ ten auch beim Einsatz von Alu für das Motorenge­ häuse und durch Einsatz von Grauguss oder Stahl für die Kolben optimiert werden kann, und durch die Gewichtserleichterung mehr Elektro­ batterien vorgesehen werden können.6. Optimally economical duothermal isochoric counter-piston Vegetable oil engine according to 2), characterized in that the thermal expansion from the 3 cylinder sections also when using aluminum for the engine housing and by using gray cast iron or steel can be optimized for the pistons, and due to the weight reduction more electric batteries can be provided.
DE10109402A 2001-02-27 2001-02-27 Duo-thermal-isochoric opposed piston vegetable oil engine for aircraft and cars, is combined with optimally quiet electric motor with exhaust gas turbine coupled via gear wheel transmission Withdrawn DE10109402A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007043399A1 (en) 2007-09-12 2009-03-19 Deutz Ag Hybrid drive operating method for vehicle, involves supplying output of drive required during range by using machine, and starting engine when load requirement is above range, where engine is started, operated and stopped by fuel supply
WO2011146110A1 (en) * 2010-05-18 2011-11-24 Achates Powers, Inc. Fuel injector support constructions for direct injection opposed-piston engines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007043399A1 (en) 2007-09-12 2009-03-19 Deutz Ag Hybrid drive operating method for vehicle, involves supplying output of drive required during range by using machine, and starting engine when load requirement is above range, where engine is started, operated and stopped by fuel supply
DE102007043399B4 (en) * 2007-09-12 2016-05-12 Deutz Ag Hybrid drive with a vegetable oil engine for a vehicle
WO2011146110A1 (en) * 2010-05-18 2011-11-24 Achates Powers, Inc. Fuel injector support constructions for direct injection opposed-piston engines
US8997710B2 (en) 2010-05-18 2015-04-07 Achates Power, Inc. Fuel injector support constructions for direct injection opposed-piston engines

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