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DE102009016200A1 - Discontinuous displacer drive for flat plate stirling engines, comprises ferromagnetic material with hot plate which comprises magnet, where workspace is sealed, and displacer drive works in gas tight condition - Google Patents

Discontinuous displacer drive for flat plate stirling engines, comprises ferromagnetic material with hot plate which comprises magnet, where workspace is sealed, and displacer drive works in gas tight condition Download PDF

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Publication number
DE102009016200A1
DE102009016200A1 DE200910016200 DE102009016200A DE102009016200A1 DE 102009016200 A1 DE102009016200 A1 DE 102009016200A1 DE 200910016200 DE200910016200 DE 200910016200 DE 102009016200 A DE102009016200 A DE 102009016200A DE 102009016200 A1 DE102009016200 A1 DE 102009016200A1
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Germany
Prior art keywords
displacer
displacer drive
ferromagnetic material
discontinuous
flat plate
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DE200910016200
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German (de)
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Podor Bala'zs
POEDOER BALA ZS
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Podor Bala'zs
POEDOER BALA ZS
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Priority to DE200910016200 priority Critical patent/DE102009016200A1/en
Publication of DE102009016200A1 publication Critical patent/DE102009016200A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053—Component parts or details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2270/00—Constructional features
    • F02G2270/42—Displacer drives

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The discontinuous displacer drive comprises a ferromagnetic material (9) with a hot plate (1) which comprises a flat plate stirling engine integrated magnet (2). The workspace is sealed, where the displacer drive works in a gas tight condition through the mechanical energy. The electromagnetically driven displacer is provided with a coil for external movement.

Description

Es ist bekannt, den Verdränger des Flachplatten-Stirlingmotors in seinem Arbeitsraum zwischen den warmen und kalten Platten dessen diskontinuierlich anzutreiben, um einen guten Maschinenwirkungsgrad zu erreichen. Eine mechanische Lösung dieses Erfordernisses ist in der Patentschrift DE 00003015815 C2 beschrieben. Aus der Patentschrift DE 00002820526 C2 ist bekannt, dass dieses diskontinuierliche Antreiben des Verdrängers elektromagnetisch statt mechanisch veranlasst wird. Ferner ist bekannt, den Verdränger gleich als Regenerator auszubilden, somit den Flachplatten-Stirlingmotor einfacher zu gestallten ( http://de.wikipedia.org/wiki/Flachplatten-Stirlingmotor ).It is known to drive the displacer of the flat plate Stirling engine intermittently in its working space between the hot and cold plates in order to achieve a good machine efficiency. A mechanical solution to this requirement is in the patent DE 00003015815 C2 described. From the patent DE 00002820526 C2 It is known that this discontinuous driving of the displacer is caused electromagnetically rather than mechanically. It is also known to form the displacer equal as a regenerator, thus simplifying the flat plate Stirling engine ( http://de.wikipedia.org/wiki/Flachplatten-Stirlingmotor ).

Allerdings besteht die Mechanik aus mehreren Teilen, braucht Platz, verbraucht mechanische Energie, muss teilweise gasdicht gestaltet und erst extern in Bewegung gesetzt werden. Der elektomagnetisch angetriebene Verdränger braucht ausserhalb seines Arbeitsraumes mindestens eine Spule und ihre Steuerung, diese verbrauchen elektrische Energie, die extern bereitgestellt werden muss.Indeed If the mechanics consists of several parts, space, consumed mechanical energy, must be partially gas-tight and only externally be set in motion. The electromagnetically driven displacer needs at least one coil and its outside of his workspace Control, these consume electrical energy, which is provided externally must become.

Der Erfindung liegt die Aufgabe zugrunde, um den Flachplatten-Stirlingmotor selbstanlaufend und einfacher gestalten, dem Verdränger des Flachplatten-Stirlingmotors ohne mechanische oder elektrische Energie zu verbrauchen den erforderlichen diskontinuierlichen Antrieb zu ermöglichen, so dass der Verdränger immer nur dann die warme oder die kalte Platte des Flachplatten-Stirlingmotors verlässt, wenn seine Temperatur den erwünschten Grad erreicht hat.Of the Invention is based on the object to the flat plate Stirling engine self-starting and simpler design, the displacer flat plate Stirling engine without mechanical or electrical Energy to consume the required discontinuous drive to allow, so the displacer only ever then the hot or cold plate of the flat plate Stirling engine leaves when its temperature is the desired Degree has reached.

Diese Aufgabe wird durch die im Patentanspruch 1 aufgeführten Merkmale gelöst.These Task is specified by the in claim 1 Characteristics solved.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, dass für das diskontinuierliche Antreiben des Verdrängers des Flachplatten-Stirlingmotors nichts aus der Wärme durch von diesem mit dem Nutztemperaturunterschied begrenzten Wirkungsgrad erzeugter mechanischen Arbeit abgezweigt werden muss, die Abdichtung seines Arbeitsraumes ist vereinfacht, was die Nutzung eines grösseren Arbeitsgasdrucks ermöglicht und zusammen mit der entfallenen Mechanik oder Spule und seiner Steuerung seine Baugrösse bei gleicher Leistung sich verkleinert. Er ist selbstanlaufend, weitgehend wartungsfrei, billig in der Herstellung und durch die Wahl des Verdrängermaterials für weite Temperaturbereiche anpassbar.

  • 1. Diskontinuierlicher Verdrängerantrieb für Flachplatten-Stirlingmotoren, dadurch gekennzeichnet, dass der Verdränger des Flachplatten-Stirlingmotors ferromagnetisches Material mit vorgegebener Curietemperatur enthält und seine warme Platte einen Magnet.
The advantages achieved by the invention are in particular that for the discontinuous driving of the displacer of the flat plate Stirling engine nothing from the heat must be diverted by this limited by the useful temperature difference efficiency generated mechanical work, the sealing of his workspace is simplified, which is the use allows a larger working gas pressure and together with the omitted mechanism or coil and its control its size at the same power is reduced. It is self-starting, largely maintenance-free, inexpensive to manufacture and adaptable to wide temperature ranges through the choice of displacer material.
  • 1. Discontinuous displacement drive for flat-plate Stirling engines, characterized in that the displacer of the flat plate Stirling engine contains ferromagnetic material with a given Curie temperature and its hot plate a magnet.

Es zeigen 1–6 den Querschnitt durch einen Wasserpumpe antreibenden Flachplatten-Stirlingmotor, dessen Verdränger gleich ein Regenerator ist.Show it 1 - 6 the cross section through a water pump driving flat plate Stirling engine whose displacer is equal to a regenerator.

11

Ein in der warmen Platte (1) des Flachplatten-Stirlingmotors integrierter Magnet (2) hält den kalten Verdränger (4) durch das in diesem integrierten ferromagnetischen Material (9) gegen sein Gewicht an dieser warmen Platte (1) fest. In dem von warmen (1) und kalten Platten (8), Zylinder (5) und Lamellenbalg (11) gasdicht gestalteten Arbeitsraum (13) ist eine bestimmte Menge Arbeitsgas eingeschlossen. Der von der kalten Platte (8), Pumpengehäuse (6), Lamellenbalg (11), Einlassventil (12) und Auslassventil (7) abgegrenzte kalte Raum (10) ist mit kaltem Wasser gefüllt. Der vom kalten Arbeitsgas auf die kalte Platte (8) ausgeübte Druck hält sich mit dem von der Druckfeder (3) auf die selbe kalte Platte (8) ausgeübten Gegendruck die Waage. Die bewegliche kalte Platte (8) befindet sich jetzt an ihrem höchsten Punkt.One in the warm plate ( 1 ) of the flat plate Stirling engine integrated magnet ( 2 ) holds the cold displacer ( 4 ) by the in this integrated ferromagnetic material ( 9 ) against its weight on this warm plate ( 1 ) firmly. In the of warm ( 1 ) and cold plates ( 8th ), Cylinder ( 5 ) and lamella bellows ( 11 ) gas-tight working space ( 13 ) is a certain amount of working gas included. The one from the cold plate ( 8th ), Pump housing ( 6 ), Lamella bellows ( 11 ), Inlet valve ( 12 ) and exhaust valve ( 7 ) delimited cold space ( 10 ) is filled with cold water. The from the cold working gas to the cold plate ( 8th ) pressure remains with that of the compression spring ( 3 ) on the same cold plate ( 8th ) applied counterpressure the balance. The moving cold plate ( 8th ) is now at its highest point.

22

Durch den grossflächigen Kontak mit der warmen Platte (1) hat sich das im Verdränger (4) integrierte ferromagnetische Material (9) schnell erwärmt. Sobald das ferromagneische Material (9) seine Curietemperatur erreicht hat, verliert es seine Magnetisierbarkeit, der Verdränger (4) fällt von der warmen Platte (1) ab und passiert das Arbeitsgas im Arbeitsraum (13) und wärmt dieses auf. Der Druck des Arbeitsgases steigt und drückt die kalte Platte (8) gegen die Druckfeder (3) nach unten. Dadurch verringert sich der kalte Raum (10) und Wasser wird durch das sich öfnenden Auslassventil (7) herausgedrückt.Due to the large-area contact with the warm plate ( 1 ) that has been in the displacer ( 4 ) integrated ferromagnetic material ( 9 ) warmed up quickly. Once the ferromagnetic material ( 9 ) has reached its Curie temperature, it loses its magnetizability, the displacer ( 4 ) falls off the warm plate ( 1 ) and passes the working gas in the working space ( 13 ) and warm this up. The pressure of the working gas rises and pushes the cold plate ( 8th ) against the compression spring ( 3 ) downward. This reduces the cold space ( 10 ) and water is released through the opening exhaust valve ( 7 ).

3. 3 ,

Der Verdränger (4) hat das Arbeitsgas vollständig passiert und es aufgewärmt, er liegt jetzt an der kalten Platte (8) auf. Das Arbeitsgas hat sein grösstes Volumen erreicht und die kalte Platte (8) bis zu ihrer unteren Endposition gegen der Druckfeder (3) gedrück. Der kalte Raum (10) hat sein kleinstes Volumen erreicht, Auslassventil (7) schliesst sich.The displacer ( 4 ) has completely passed the working gas and warmed it up, it now lies on the cold plate ( 8th ) on. The working gas has reached its greatest volume and the cold plate ( 8th ) to its lower end position against the compression spring ( 3 ). The cold room ( 10 ) has reached its smallest volume, exhaust valve ( 7 ) closes.

4. 4 ,

Durch den grossflächigen Kontakt mit der kalten Platte (8) kühlt sich der Verdränger (4) schnell ab und die Temperatur des ferromagnetischen Materials (9) fällt unter seine Curietemperatur, somit ist es wieder magnetisierbar. Der Gesamtdruck des Arbeitsgases nimmt durch die Abkühlung seines im Verdränger (4) befindlichen Teils ab. Die Druckfeder (3) drückt die kalte Platte (8) mit dem Verdränger (4) nach oben, die dabei entstehende Kompressionswärme wird durch den Verdränger (4) absorbiert. Der kalte Raum (10) vergrössert sich, Auslassventil (7) schliest sich, durch das sich öfnende Einlassventil (12) wird frisches kaltes Wasser in den kalten Raum (10) gesaugt.Due to the large-area contact with the cold plate ( 8th ) the displacer cools ( 4 ) and the temperature of the ferromagnetic material ( 9 ) falls below its Curie temperature, so it is magnetizable again. The total pressure of the working gas decreases due to the cooling of its in Displacer ( 4 ) part. The compression spring ( 3 ) presses the cold plate ( 8th ) with the displacer ( 4 ), the resulting heat of compression is by the displacer ( 4 ) absorbed. The cold room ( 10 ) increases, exhaust valve ( 7 ) is indicated by the opening intake valve ( 12 ) gets fresh cold water into the cold room ( 10 ) sucked.

5. 5 ,

Der Verdränger (4) hat jetzt die Höhe erreicht, wo die Anziehungskraft des Magnets (2) ausreicht, das ferromagnetische Material (9) mit dem Verdränger (4) anzuheben. Der jetzt kalte Verdränger (4) hebt von der kalten Platte (8) nach oben ab, passiert das Arbeitsgas, wodurch dieses weiter abgekühlt wird und sein Druck sich weiter vermindert. Wärendessen drückt die Druckfeder (3) die kalte Platte (8) weiter nach oben, die dabei entstehende Kompressionswärme wird durch den Verdränger (4) absorbiert. Der kalte Raum (10) vergrössert sich weiter. Durch das Einlassventil (12) wird weiter kaltes Wasser in das sich vergrössende kalte Raum (10) eingesaugt.The displacer ( 4 ) has now reached the height where the magnetic attraction ( 2 ), the ferromagnetic material ( 9 ) with the displacer ( 4 ). The now cold displacer ( 4 ) lifts from the cold plate ( 8th ) down, the working gas passes through which it is further cooled and its pressure is further reduced. Wait while the compression spring ( 3 ) the cold plate ( 8th ) upward, the resulting heat of compression is by the displacer ( 4 ) absorbed. The cold room ( 10 ) continues to grow. Through the inlet valve ( 12 ), cold water continues to flow into the expanding cold room ( 10 sucked).

6. 6 ,

Der Verdränger (4) hat die warme Platte (1) erreicht und das Arbeitsgas auf seine niedrigste Temperatur abgekühlt, es hat sein kleinstes Volumen erreicht. Die Druckfeder (3) hat die kalte Platte (8) auf ihren höchsten Punk gedrückt, der kalte Raum (10) hat sein grösstes Volumen erreicht, Einlassventil (12) schliesst sich. Der Prozess beginnt erneut.The displacer ( 4 ) has the warm plate ( 1 ) and cooled the working gas to its lowest temperature, it has reached its smallest volume. The compression spring ( 3 ) has the cold plate ( 8th ) pressed to its highest punk, the cold room ( 10 ) has reached its highest volume, inlet valve ( 12 ) closes. The process starts again.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - DE 00003015815 C2 [0001] DE 00003015815 C2 [0001]
  • - DE 00002820526 C2 [0001] DE 00002820526 C2 [0001]

Zitierte Nicht-PatentliteraturCited non-patent literature

  • - http://de.wikipedia.org/wiki/Flachplatten-Stirlingmotor [0001] - http://en.wikipedia.org/wiki/flat_plates_stirling_motor [0001]

Claims (1)

Diskontinuierlicher Verdrängerantrieb für Flachplatten-Stirlingmotoren, dadurch gekennzeichnet, dass der Verdränger des Flachplatten-Stirlingmotors ferromagnetisches Material mit vorgegebener Curietemperatur enthält und seine warme Platte einen Magnet.Discontinuous displacement drive for flat-plate Stirling engines, characterized in that the displacer of the flat-plate Stirling engine ferromagnetic material having a predetermined Curie temperature and its hot plate contains a magnet.
DE200910016200 2009-04-03 2009-04-03 Discontinuous displacer drive for flat plate stirling engines, comprises ferromagnetic material with hot plate which comprises magnet, where workspace is sealed, and displacer drive works in gas tight condition Withdrawn DE102009016200A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200910016200 DE102009016200A1 (en) 2009-04-03 2009-04-03 Discontinuous displacer drive for flat plate stirling engines, comprises ferromagnetic material with hot plate which comprises magnet, where workspace is sealed, and displacer drive works in gas tight condition

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Application Number Priority Date Filing Date Title
DE200910016200 DE102009016200A1 (en) 2009-04-03 2009-04-03 Discontinuous displacer drive for flat plate stirling engines, comprises ferromagnetic material with hot plate which comprises magnet, where workspace is sealed, and displacer drive works in gas tight condition

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DE102009016200A1 true DE102009016200A1 (en) 2010-10-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011122071A1 (en) * 2011-12-22 2013-06-27 Eads Deutschland Gmbh Stirling engine with flapping wing for an emission-free aircraft

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820526C2 (en) 1978-05-11 1982-04-22 Schneider, Christian, Dipl.-Ing., 8650 Kulmbach Hot gas reciprocating engine with electromagnetically driven displacer
DE3015815C2 (en) 1980-04-11 1982-12-16 Ivo Prof.Dipl.-Ing.Dr.techn. Zagreb Kolin Hot gas engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820526C2 (en) 1978-05-11 1982-04-22 Schneider, Christian, Dipl.-Ing., 8650 Kulmbach Hot gas reciprocating engine with electromagnetically driven displacer
DE3015815C2 (en) 1980-04-11 1982-12-16 Ivo Prof.Dipl.-Ing.Dr.techn. Zagreb Kolin Hot gas engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
http://de.wikipedia.org/wiki/Flachplatten-Stirlingmotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011122071A1 (en) * 2011-12-22 2013-06-27 Eads Deutschland Gmbh Stirling engine with flapping wing for an emission-free aircraft
DE102011122071B4 (en) * 2011-12-22 2013-10-31 Eads Deutschland Gmbh Stirling engine with flapping wing for an emission-free aircraft
US9080450B2 (en) 2011-12-22 2015-07-14 Airbus Defence and Space GmbH Stirling engine with flapping wing for an emission-free aircraft

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Effective date: 20111101