EP0995014B1 - Cylinder piston unit, especially for steam engines - Google Patents

Cylinder piston unit, especially for steam engines Download PDF

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Publication number
EP0995014B1
EP0995014B1 EP98936095A EP98936095A EP0995014B1 EP 0995014 B1 EP0995014 B1 EP 0995014B1 EP 98936095 A EP98936095 A EP 98936095A EP 98936095 A EP98936095 A EP 98936095A EP 0995014 B1 EP0995014 B1 EP 0995014B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
piston unit
displacer
unit according
cylinder head
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 - Lifetime
Application number
EP98936095A
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German (de)
French (fr)
Other versions
EP0995014A1 (en
Inventor
Tobias Haas
Michael HÖTGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IAV GmbH Ingenieurgesellschaft Auto und Verkehr
Original Assignee
IAV GmbH Ingenieurgesellschaft Auto und Verkehr
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IAV GmbH Ingenieurgesellschaft Auto und Verkehr filed Critical IAV GmbH Ingenieurgesellschaft Auto und Verkehr
Publication of EP0995014A1 publication Critical patent/EP0995014A1/en
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Publication of EP0995014B1 publication Critical patent/EP0995014B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00Steam engine plants not otherwise provided for
    • F01K21/02Steam engine plants not otherwise provided for with steam-generation in engine-cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B29/00Machines or engines with pertinent characteristics other than those provided for in preceding main groups
    • F01B29/08Reciprocating-piston machines or engines not otherwise provided for
    • F01B29/10Engines
    • F01B29/12Steam engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00Hot gas positive-displacement engine plants
    • F02G1/02Hot gas positive-displacement engine plants of open-cycle type

Definitions

  • the invention relates to a cylinder-piston unit, in particular for steam engines with expansion under the addition of heat according to the preamble of Main claim.
  • a steam engine with a cylinder-piston unit according to the prior art is known Document DE-PS 828 988 with expansion under the supply of heat.
  • the piston has one heat head insulated on the inside.
  • the heat supply to the cylinder piston element takes place via cylindrical ribs by means of an open burner in the Stroke range of the insulated heat head and the cylinder head with the compression chamber.
  • the steam is generated directly in the heated cylinder by metered Water injection. Form the outlet for the expanded water vapor the piston in the area of bottom dead center released slots.
  • the invention has for its object the cylinder-piston unit of the steam engine by means of a pore burner direct heat on the cylinder head and Supply expansion space.
  • Pore burners work with relatively low firing temperatures and, due to their structure, enable thermal bridges to be made directly to the cylinder-piston unit.
  • the low combustion temperature level is suitable on the one hand for heat transfer to the working process of a steam engine with expansion under the addition of heat and on the other hand ensures low-pollution combustion.
  • FIG. 1 shows a cylinder-piston unit 1 with a piston 2 and displacer 3 as well a holistic heat supply to the working medium as a whole Working room 5 shown.
  • a special pore burner 50 with the Burning section A applied.
  • Heat transfer sections B and C surround the lower part of the cylinder head 43 and the cylinder 1 in the stroke area 41 of the Displacer 3.
  • the guide piston 2 carries sealing rings 21 and a heat insulated attached displacer 3. It is connected to a crankshaft by a connecting rod - not shown - and is in the cylinder bore 4 in a warm and cold Cylinder section 41; 46 out.
  • the displacer 3 preferably has an absorption or reflection surface 31, behind which is preferably a heat storage layer 32 and an insulating layer 33 lies.
  • Cylinder jacket 42 and cylinder head 43 can in the be designed as a cast or sintered parts and / or have a coating to enlarge the heat transfer surface.
  • the displacer 3 is parallel to the surrounding in its stroke range with play troughs cylinder section 41 and has a facing the cylinder head 43 reducing cross-section.
  • cylinder head 43 and displacer 3 is located complementary surfaces to be polygonal. This The hottest heat transfer path B is assigned to the area.
  • the warm cylinder section 41 in the stroke range of the displacer 3 and the cylinder head 43 advantageously as a radiator trained, the radiation in the range of the absorption spectrum of the Working medium lies.
  • the pore burner 50 is assigned to the cylinder head 43. It extends over part of the cylinder head 43 annular.
  • Heat transfer paths B and C of the pore burner 50 and the are expedient Steam generator 6 is surrounded on the outside by an insulating layer 51.
  • the outside of the heat transfer paths C on the cylinder jacket 42 is one Steam generator 6 or preheater enclosed. From the steam generator 6 The combustion gases of the pore burner 50 are removed from the surrounding space.
  • Tube channels 7 of a superheater stage between the are advantageous Heat transfer paths B and C and / or in the cylinder jacket 42, preferably in its radial, parallel to the axis of the cylinder jacket 42 Ribs 44, arranged in a guided manner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

Die Erfindung betrifft eine Zylinder-Kolbeneinheit, insbesondere für Dampfkraftmaschinen mit Expansion unter Wärmezufuhr gemäß dem Oberbegriff des Hauptanspruches.The invention relates to a cylinder-piston unit, in particular for steam engines with expansion under the addition of heat according to the preamble of Main claim.

Vorbekannt ist eine Dampfkraftmaschine mit Zylinder- Kolbeneinheit gemäß der Schrift DE-PS 828 988 mit Expansion unter Wärmezufuhr. Der Kolben weist einen nach seiner Innenseite isolierten Wärmekopf auf. Die Wärmezufuhr zum Zylinder-Kolbenelement erfolgt über Zylinderrippen mittels eines offenen Brenners im Hubbereich des isolierten Wärmekopfes und des Zylinderkopfes mit dem Verdichtungsraum. Die Dampferzeugung erfolgt direkt im beheizten Zylinder durch dosierte Wassereinspritzung. Den Auslaß für den expandierten Wasserdampf bilden durch den Kolben im Bereich des unteren Totpunktes freigegebene Schlitze.A steam engine with a cylinder-piston unit according to the prior art is known Document DE-PS 828 988 with expansion under the supply of heat. The piston has one heat head insulated on the inside. The heat supply to the cylinder piston element takes place via cylindrical ribs by means of an open burner in the Stroke range of the insulated heat head and the cylinder head with the compression chamber. The steam is generated directly in the heated cylinder by metered Water injection. Form the outlet for the expanded water vapor the piston in the area of bottom dead center released slots.

Vorbekannt sind durch die Schrift DE 43 22 109 A1 Porenbrenner für eine im wesentlichen NOxfreie Verbrennung. Durch eine gestuft vom Brenngaseinlaß zum -auslaß von fein- nach grobporig variierte Schichtung von Teilen wird eine Stabilisierung und Temperaturbegrenzung im Verbrennungsablauf erzielt, womit eine schadstoffarme Verbrennung gesichert wird. Diese Brennerart weist eine hohe Leistungsdichte bezogen auf ihr Bauvolumen auf, wobei eine Anwendung als Warmwasser- oder Dampferzeuger beschrieben ist.Are known from the document DE 43 22 109 A1 pore burner for a essential NOx-free combustion. By a step from the fuel gas inlet to - outlet from fine to coarse-pored layering of parts will stabilize and temperature limitation achieved in the combustion process, with which low-pollution combustion is secured. This type of burner has a high Power density based on their volume, with one application is described as a hot water or steam generator.

Der Erfindung liegt die Aufgabe zugrunde, der Zylinder-Kolbeneinheit der Dampfkraftmaschine mittels eines Porenbrenners unmittelbar Wärme am Zylinderkopf und Expansionsraum zuzuführen.The invention has for its object the cylinder-piston unit of the steam engine by means of a pore burner direct heat on the cylinder head and Supply expansion space.

Diese Aufgabe wird durch die im kennzeichnenden Teil des Hauptanspruches und in den Nebenansprüchen genannten Merkmale gelöst. Mittels der vorgeschlagenen Bauart wird einerseits eine komplexe Wärmezuführung zum Arbeitsmedium für den gesamten Arbeitsraum sowie ein verlustarmer Wärmeübergang dorthin erreicht. This task is characterized by the in the characterizing part of the main claim and solved in the features mentioned. By means of the proposed On the one hand, a complex supply of heat becomes the working medium for reached the entire work area and a low-loss heat transfer there.

Porenbrenner funktionieren mit relativ niedrigen Brenntemperaturen und ermöglichen aufgrund ihrer Struktur eine Herstellung von Wärmebrücken unmittelbar zur Zylinder-Kolbeneinheit.
Das niedrige Brenntemperaturniveau eignet sich einerseits für eine Wärmeübertragung zum Arbeitsprozeß einer Dampfkraftmaschine mit einer Expansion unter Wärmezufuhr und gewährleistet andererseits eine schadstoffarme Verbrennung.
Pore burners work with relatively low firing temperatures and, due to their structure, enable thermal bridges to be made directly to the cylinder-piston unit.
The low combustion temperature level is suitable on the one hand for heat transfer to the working process of a steam engine with expansion under the addition of heat and on the other hand ensures low-pollution combustion.

Die Merkmale der Unteransprüche werden im Zusammenhang mit ihrer Wirkung in der Beschreibung erläutert.The features of the subclaims are related to their effectiveness in the description explained.

Anhand einer Zeichnung wird nachfolgend ein Ausführungsbeispiel der Erfindung mit Ausgestaltungen gemäß den Unteransprüchen beschrieben.An exemplary embodiment of the invention is described below with the aid of a drawing Embodiments described in the dependent claims.

Es zeigt:

Fig.1
einen Längsschnitt durch eine Zylinder-Kolbeneinheit mit einem Verdränger und einer Wärmezuführung durch einen ringförmigen Porenbrenner,
Fig. 2
eine Draufsicht auf einen polygonförmigen Verdränger mit vergrößerter Oberfläche
It shows:
Fig.1
2 shows a longitudinal section through a cylinder-piston unit with a displacer and heat supply through an annular pore burner,
Fig. 2
a plan view of a polygonal displacer with an enlarged surface

In Fig.1 ist eine Zylinder-Kolbeneinheit 1 mit einem Kolben 2 und Verdränger 3 sowie einer gesamtheitlichen Wärmezuführung zum Arbeitsmedium im gesamten Arbeitsraum 5 gezeigt. Hierzu wird ein spezielle Porenbrenner 50 mit der Brennstrecke A angewandt. Wärmeübergangsstrecken B und C umgeben den unteren Teil des Zylinderkopfes 43 und den Zylinder 1 im Hubbereich 41 des Verdrängers 3. Der Führungskolben 2 trägt Dichtringe 21 sowie einen wärmeisoliert befestigten Verdränger 3. Er ist über ein Pleuel mit einer Kurbelwelle verbunden - nicht dargestellt - und wird in der Zylinderbohrung 4 in einem warmen und kalten Zylinderabschnitt 41; 46 geführt. 1 shows a cylinder-piston unit 1 with a piston 2 and displacer 3 as well a holistic heat supply to the working medium as a whole Working room 5 shown. For this purpose, a special pore burner 50 with the Burning section A applied. Heat transfer sections B and C surround the lower part of the cylinder head 43 and the cylinder 1 in the stroke area 41 of the Displacer 3. The guide piston 2 carries sealing rings 21 and a heat insulated attached displacer 3. It is connected to a crankshaft by a connecting rod - not shown - and is in the cylinder bore 4 in a warm and cold Cylinder section 41; 46 out.

Der Verdränger 3 weist vorzugsweise eine Absorptions- oder Reflexionsoberfläche 31 auf, hinter der vorzugsweise eine Wärmespeicherschicht 32 und Isolierschicht 33 liegt. Mit diesen vorbeschriebenen Ausgestaltungsmerkmalen des Verdrängers 3 wird einerseits eine Speicherung von Wärme oder andererseits eine Reflexion von Wärme zur Aufheizung der Ladung zwischen Verdränger 3 und der Innenfläche des Zylinderabschnittes 41 erzielt. Diese Gestaltung sichert eine korrektive Übertragung von Wärme mit hohem Wirkungsgrad durch die Strömung im Zylinderraum und die warmen Wände des Zylinderabschnittes 41 und des Zylinderkopfes 43.The displacer 3 preferably has an absorption or reflection surface 31, behind which is preferably a heat storage layer 32 and an insulating layer 33 lies. With these previously described design features of the displacer 3 becomes a storage of heat on the one hand or a reflection of Heat to heat the charge between the displacer 3 and the inner surface of the Cylinder section 41 achieved. This design ensures corrective transmission of heat with high efficiency through the flow in the cylinder space and warm walls of the cylinder section 41 and the cylinder head 43.

Am Zylindermantel 42 sind im Zylinderabschnitt 41 des Verdrängers 3 oder zusätzlich am Zylinderkopf 43 radiale Rippen 44 oder/und zueinander versetzte nadel- oder stegförmige, radiale Ansätze angeordnet. Zwischen deren nach außen geschlossenen Sektoren werden Wärmeübergangsstrecken B und C des Porenbrenners 50 gebildet. Zylindermantel 42 und Zylinderkopf 43 können in der vorbeschriebenen Gestaltung als Guß- oder Sinterteile ausgeführt sein und/oder eine Beschichtung zur Vergrößerung der wärmeübertragenden Oberfläche aufweisen.On the cylinder jacket 42 in the cylinder section 41 of the displacer 3 or additionally 43 radial ribs 44 and / or offset from one another on the cylinder head needle-shaped or bar-shaped, radial approaches arranged. Between their outward closed sectors are heat transfer paths B and C des Pore burner 50 is formed. Cylinder jacket 42 and cylinder head 43 can in the be designed as a cast or sintered parts and / or have a coating to enlarge the heat transfer surface.

Der Verdränger 3 ist in seinem Hubbereich mit Spiel parallel zum umgebenden wannen Zylinderabschnitt 41 geführt und weist einen sich zum Zylinderkopf 43 verkleinernden Querschnitt auf. Für einen optimalen Wärmeübergang an das Arbeitsmedium, das sich im Arbeitsraum 5 und im Spalt zwischen warmem Zylinderabschnitt 41, Zylinderkopf 43 und Verdränger 3 befindet, können die zueinander komplementären Oberflächen polygonartig ausgeführt sein. Diesem Bereich ist die heißeste Wärmeübergangsstrecke B zugeordnet.The displacer 3 is parallel to the surrounding in its stroke range with play troughs cylinder section 41 and has a facing the cylinder head 43 reducing cross-section. For an optimal heat transfer to the Working medium that is in the work room 5 and in the gap between warm Cylinder section 41, cylinder head 43 and displacer 3 is located complementary surfaces to be polygonal. this The hottest heat transfer path B is assigned to the area.

Bei der von außen beheizten Zylinderbohrung 4 ist der warme Zylinderabschnitt 41 im Hubbereich des Verdrängers 3 und der Zylinderkopf 43 vorteilhaft als Strahler ausgebildet, dessen Strahlung im Bereich des Absorptionsspektrums des Arbeitsmediums liegt.In the case of the cylinder bore 4 heated from the outside, the warm cylinder section 41 in the stroke range of the displacer 3 and the cylinder head 43 advantageously as a radiator trained, the radiation in the range of the absorption spectrum of the Working medium lies.

Dem Zylinderkopf 43 ist der Porenbrenner 50 zugeordnet. Er erstreckt sich über einen Teil des Zylinderkopfs 43 ringförmig. The pore burner 50 is assigned to the cylinder head 43. It extends over part of the cylinder head 43 annular.

Zweckmäßig sind Wärmeübergangsstrecken B und C des Porenbrenners 50 und der Dampferzeuger 6 außen von einer Isolierschicht 51 umgeben.Heat transfer paths B and C of the pore burner 50 and the are expedient Steam generator 6 is surrounded on the outside by an insulating layer 51.

Die Außenseite der Wärmeübergangsstrecken C am Zylindermantel 42 ist von einem Dampferzeuger 6 oder Vorwärmer umschlossen. Aus dem Dampferzeuger 6 umgebenden Raum erfolgt die Abführung der Brenngase des Porenbrenners 50.The outside of the heat transfer paths C on the cylinder jacket 42 is one Steam generator 6 or preheater enclosed. From the steam generator 6 The combustion gases of the pore burner 50 are removed from the surrounding space.

Vorteilhaft sind Rohrkanäle 7 einer Überhitzerstufe zwischen den Wärmeübertragungsstrecken B und C und/oder im Zylindermantel 42, vorzugsweise in dessen radialen, zur Achse des Zylindermantels 42 parallel verlaufenden Rippen 44, geführt angeordnet.Tube channels 7 of a superheater stage between the are advantageous Heat transfer paths B and C and / or in the cylinder jacket 42, preferably in its radial, parallel to the axis of the cylinder jacket 42 Ribs 44, arranged in a guided manner.

Im kalten Zylinderabschnitt 46 am Ende des Hubbereiches des Führungskolbens 2 mündet der Auslaßkanal 11 mit Fenstern, die von den Dichtringen 21 des Führungskolbens 2 überlaufen werden. In the cold cylinder section 46 at the end of the stroke range of the guide piston 2 opens the outlet channel 11 with windows that from the sealing rings 21 of the Guide piston 2 are overrun.

Bezugszeichenaufstellung:REFERENCE NUMBERS:

11
Zylinder-KolbeneinheitCylinder-piston unit
22
Führungskolbenguide piston
2121
Ringdichtungenring seals
33
Verdrängerdisplacement
3131
Absorptions- oder ReflexionsoberflächeAbsorption or reflection surface
3232
WärmespeicherschichtHeat storage layer
3333
Isolierschichtinsulating
44
Zylinderbohrungbore
4141
warmer Zylinderabschnitt /Hubbereich des Verdrängers 3warm cylinder section / stroke range of the displacer 3
4242
Zylindermantelcylinder surface
4343
Zylinderkopfcylinder head
4444
Rippenribs
4646
kalter Zylinderabschnitt/Hubbereich des Führungskolbens 2cold cylinder section / stroke range of the guide piston 2
55
Arbeitsraumworking space
5050
Porenbrennerporous burner
5151
Isolierschichtinsulating
66
Dampferzeugersteam generator
77
Rohrkanäle einer ÜberhitzerhaubePipe channels of a superheater hood
1111
Auslaßkanaloutlet channel
AA
Brennstrecke von 50Burning distance of 50
BB
WärmeübergangsstreckeHeat transfer path
cc
WärmeübergangsstreckeHeat transfer path

Claims (11)

  1. Cylinder/piston unit, in particular for steam-power machines with expansion and at the same time the supply of heat, of the following type:
    a piston (2) guided in the cylinder element (4) has a displacer (3),
    a heating device (50) is arranged on the cylinder element for the stroke range of a non-sealing displacer (3),
    the working medium is supplied in vapour form or liquid form in the region of top dead centre,
    an outlet (11) of the expanded working medium takes place at least in the region of bottom dead centre,
    characterized in that heat transmission zones (B,C) of a pore burner (50) at least partially surrounding the cylinder head (43) over its height are arranged on the hot cylinder segment (41) in the stroke range of the displacer (3) and on the cylinder head (43).
  2. Cylinder-piston unit according to Claim 1,
    characterized in that there are arranged on the cylinder segment (41) in the stroke range of the displacer (3) or additionally on the region of the cylinder head (43) radial ribs (44) and/or pin-like or web-like radial extensions offset to one another, between which are arranged outwardly closed sectors of heat transmission zones (B;C) of the pore burner (50).
  3. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the cylinder segment (41) and the cylinder head (43) are produced as castings or as sintered parts.
  4. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the cylinder-piston segment (41), the cylinder head (43) and the displacer (3) have, individually or as standard, a coating which increases the heat transmission surface.
  5. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the hot zones and the heat transmission zones (B;C) of the pore burner (50) are surrounded outwardly by an insulator layer (51).
  6. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the outside of the pore burner (50) surrounding the cylinder head (43) and cylinder casing (42), together with the heat transmission zones (B;C) of said pore burner, is surrounded by the stream generator (6) or preheater.
  7. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the super heater stage consists of a plurality of tubular ducts (7) which are guided in or between the heat transmission zones (B;C) of the pore burner (50) and/or in a cylinder casing (42), preferably in its radial ribs (44) running parallel to the axis of the cylinder casing (42).
  8. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the insides of the cylinder casing (42) and of the cylinder head (43) are designed as emitters, the emission of which is in the range of the absorption spectrum of the working medium.
  9. Cylinder-piston unit according to one or more of the preceding claims, in which the displacer is guided with play in relation to the cylinder inner surface, characterized in that the surface of the displacer (3) is designed as an absorption surface and/or reflection surface for the emission of the cylinder casing (42) and has a heat storage mass (32) which is surrounded inwardly by an insulating layer (33).
  10. Cylinder-piston unit according to one or more of the preceding claims, characterized in that the displacer (3), the cylinder casing (42), the hot cylinder segment (41) and the cylinder head (42) are equipped with complementary polygonal contours.
  11. Cylinder-piston unit according to one or more of the preceding claims, characterized in that ribs (44) offset to one another and resembling corrugated perforated plates are cast on or in or sintered in the cylinder casing (42) in the stroke range of the displacer (3) and/or on the cylinder head (43).
EP98936095A 1997-06-18 1998-06-03 Cylinder piston unit, especially for steam engines Expired - Lifetime EP0995014B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19725646A DE19725646A1 (en) 1997-06-18 1997-06-18 Cylinder-piston unit, in particular for steam engines
DE19725646 1997-06-18
PCT/DE1998/001517 WO1998058161A1 (en) 1997-06-18 1998-06-03 Cylinder piston unit, especially for steam engines

Publications (2)

Publication Number Publication Date
EP0995014A1 EP0995014A1 (en) 2000-04-26
EP0995014B1 true EP0995014B1 (en) 2002-01-02

Family

ID=7832772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98936095A Expired - Lifetime EP0995014B1 (en) 1997-06-18 1998-06-03 Cylinder piston unit, especially for steam engines

Country Status (5)

Country Link
US (1) US6247309B1 (en)
EP (1) EP0995014B1 (en)
JP (1) JP4144812B2 (en)
DE (2) DE19725646A1 (en)
WO (1) WO1998058161A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011023177A1 (en) 2009-08-28 2011-03-03 Bekon Energy Technologies Gmbh & Co. Kg Method for operating a reactor module for endothermic reactions and reactor having a plurality of such reactor modules

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904923A1 (en) 1999-02-06 2000-08-17 Bosch Gmbh Robert Heating and cooling machine, in particular Vuilleumier heat pump or Stirling machine
DE10000082A1 (en) * 1999-11-12 2001-05-17 Guenter Frank Steam engine and method for operating steam engines for applying a power-heat link and utilizing reproductive fuels vaporizes amounts of operating substances needed for making steam by pumps and valves controlled in cold area
US8661817B2 (en) * 2007-03-07 2014-03-04 Thermal Power Recovery Llc High efficiency dual cycle internal combustion steam engine and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE818496C (en) * 1949-11-01 1951-10-25 Siegfried Dr-Ing Grantz Cylinder head for steam engines with steam generation in the cylinder
DE828988C (en) * 1949-11-01 1952-01-21 Siegfried Grantz Dr Ing Steam engine with steam generation in the cylinder
US2867975A (en) * 1953-10-26 1959-01-13 Mallory Marion Steam engine
US4077214A (en) * 1976-08-16 1978-03-07 Burke Jr Jerry Allen Condensing vapor heat engine with constant volume superheating and evaporating
US4220005A (en) * 1978-01-25 1980-09-02 Cutts Edmund A Combination vaporized driving fluid generator and engine unit
US4599859A (en) * 1985-02-01 1986-07-15 Urso Charles L Combined steam generator and engine
DE4322109C2 (en) 1993-07-02 2001-02-22 Franz Durst Burner for a gas / air mixture
DE19546658B4 (en) * 1995-12-14 2004-09-16 Tea Gmbh Technologiezentrum Emissionsfreie Antriebe Cylinder-piston unit, especially for steam engines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011023177A1 (en) 2009-08-28 2011-03-03 Bekon Energy Technologies Gmbh & Co. Kg Method for operating a reactor module for endothermic reactions and reactor having a plurality of such reactor modules
DE102009039276A1 (en) 2009-08-28 2011-03-10 Bekon Energy Technologies Gmbh & Co. Kg Reactor module for endothermic reactions and reactor with a plurality of such reactor modules

Also Published As

Publication number Publication date
US6247309B1 (en) 2001-06-19
JP4144812B2 (en) 2008-09-03
DE59802805D1 (en) 2002-02-28
DE19725646A1 (en) 1998-12-24
JP2002510373A (en) 2002-04-02
EP0995014A1 (en) 2000-04-26
WO1998058161A1 (en) 1998-12-23

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