DE3403097C2 - Externally heated internal combustion engine - Google Patents
Externally heated internal combustion engineInfo
- Publication number
- DE3403097C2 DE3403097C2 DE19843403097 DE3403097A DE3403097C2 DE 3403097 C2 DE3403097 C2 DE 3403097C2 DE 19843403097 DE19843403097 DE 19843403097 DE 3403097 A DE3403097 A DE 3403097A DE 3403097 C2 DE3403097 C2 DE 3403097C2
- Authority
- DE
- Germany
- Prior art keywords
- combustion engine
- internal combustion
- externally heated
- heat
- heated internal
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/005—Steam engine plants not otherwise provided for using mixtures of liquid and steam or evaporation of a liquid by expansion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Eine außenbeheizte Wärmekraftmaschine wird von einem Wärmetauscher umschlungen, so daß die hohen Temperaturen innen fokussiert werden und ein Wärmeverlust nach außen nicht auftritt. Durch diese Fokussierung kann bei geringer Heizfläche eine hohe Leistung eingebracht werden und die gesamte Abwärme regeneriert werden. Der spezifische Kraftstoffbedarf ist auf ein Minimum absenkbar. Durch ein Kompressor-Expansor-Aggregat wird zwischen den beteiligten Räumen annähernd Durckgleichheit hergestellt, wodurch die Wärme eine Minderbeanspruchung erfahren und somit für den günstigen Wärmeübergang dünn gehalten werden können.An externally heated heat engine is wrapped in a heat exchanger so that the high temperatures are focused on the inside and there is no heat loss to the outside. With this focus, a high output can be brought in with a small heating surface and the entire waste heat can be regenerated. The specific fuel requirement can be reduced to a minimum. By means of a compressor-expansor-unit, almost the same pressure is created between the participating rooms, whereby the heat experiences less stress and can thus be kept thin for the favorable heat transfer.
Description
Die Erfindung betrifft eine außenbeheizte Brennkraftmachine nach dem Oberbegriff des Hauptan-Spruchs, wie sie aus der DE-PS 8 28 988 und der CH-PS 2 43 903 vorbekannt ist.The invention relates to an externally heated internal combustion engine according to the preamble of the main claim, as found in DE-PS 8 28 988 and CH-PS 2 43 903 is previously known.
Aus den genannten Patentschriften ist es bekannt, in den beheizten Arbeitsraum eines Expansionsmotors ein Medium in flüssigem Aggregatzustand einzuführen, welches dort unter Aufnahme von Wärme aus der Wandung des Arbeitsraums verdampft und sodann nach Kondensation in einem Kondensator erneut dem Arbeitsraum des Expansionsmotors zugeführt wird. Bei den bekannten Anordnungen ist die energetische Ausnutzung jedoch unbefriedigend, da lediglich ein geringer Teil des Arbeitsraums beheizt und die Wärmeenergie der Brennabgase nicht genutzt wird.From the patents mentioned, it is known in to introduce a medium in a liquid state into the heated working space of an expansion engine, which evaporates there while absorbing heat from the wall of the work space and then afterwards Condensation in a condenser is fed back to the working space of the expansion motor. at In the known arrangements, however, the energetic utilization is unsatisfactory, since only a small one Part of the work area is heated and the thermal energy of the combustion gases is not used.
Der Erfindung liegt die Aufgabe zugrunde, eine außenbeheizte Brennkraftmaschine zu schaffen, deren energetische Ausnutzung günstiger ist.The invention is based on the object of providing an externally heated internal combustion engine whose energetic utilization is more favorable.
Erfindungsgemäß wird diese Aufgabe durch die im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmale gelöst. Die Unteransprüche geben vorteilhafte Ausgestaltungen einer derartigen außenbeheizten Brennkraftmaschine an.This object is achieved according to the invention by those specified in the characterizing part of claim 1 Features solved. The subclaims give advantageous configurations of such an externally heated one Internal combustion engine.
Erfindungsgemäß wird also vorgeschlagen, den Expansionsmotor nicht w:.e bei dem Stand der Technik durch einen Kolbenmotor zu bilden, bei dem lediglich ein Teil des Zylinders bzw. eine Vorkammer zu dem Zylinder beheizt wird, sondern durch diskusförmige Drehkolbeneinheiten, deren Arbeitsräume von den Brenngasen umspült werden. Durch eine derartige Ausbildung des Expansionsmotors wird der Wärmeüber-(T^riiY deutlich verbessert. £λ According to the invention is therefore proposed not w the expansion engine: .e in the prior art to form through a piston engine, in which only a part of the cylinder or a precombustion chamber is heated to the cylinder, but by disc-shaped rotary piston units whose working chambers of the combustion gases be washed around. Such a design of the expansion engine significantly improves the heat transfer (T ^ riiY. £ λ
Als diskusförmige Drehkolbeneinheiten werden vorzugsweise Flügelzellenmotoren verwendet.Vane motors are preferably used as the disk-shaped rotary piston units.
Wegen der anzustrebenden hohen Temperaturen werden diese diskusförmigen Drehkolbeneinheiten vorzugsweise aus Keramik gefertigt.Because of the high temperatures to be aimed for, these disc-shaped rotary piston units are preferred made of ceramic.
Die vorgeschlagene Ausgestaltung einer außenbeheizten Brennkraftmaschine zeichnet sich damit durch eine bessere Ausnutzung der ihr zugeführten EnergieThe proposed configuration of an externally heated internal combustion engine is thus characterized better utilization of the energy supplied to it
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843403097 DE3403097C2 (en) | 1983-02-12 | 1984-01-30 | Externally heated internal combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3304968 | 1983-02-12 | ||
DE19843403097 DE3403097C2 (en) | 1983-02-12 | 1984-01-30 | Externally heated internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3403097A1 DE3403097A1 (en) | 1984-08-23 |
DE3403097C2 true DE3403097C2 (en) | 1986-10-23 |
Family
ID=25808245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843403097 Expired DE3403097C2 (en) | 1983-02-12 | 1984-01-30 | Externally heated internal combustion engine |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3403097C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7335016B2 (en) | 2002-11-05 | 2008-02-26 | J. Eberspächer GmbH & Co. KG | Combustion chamber, particularly for vehicle heating device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012010382A1 (en) * | 2012-05-29 | 2013-12-05 | Bilstein Gmbh & Co. Kg | Method and arrangement for recovering heat energy during the heat treatment of cold rolled steel strip in a bell annealing furnace |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH243903A (en) * | 1944-09-23 | 1946-08-15 | Treiber Hermann | Method and device for operating steam engines. |
DE828988C (en) * | 1949-11-01 | 1952-01-21 | Siegfried Grantz Dr Ing | Steam engine with steam generation in the cylinder |
AU534481B2 (en) * | 1980-08-18 | 1984-02-02 | Thermal Systems Ltd. | Heat injected hot gas engine |
-
1984
- 1984-01-30 DE DE19843403097 patent/DE3403097C2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7335016B2 (en) | 2002-11-05 | 2008-02-26 | J. Eberspächer GmbH & Co. KG | Combustion chamber, particularly for vehicle heating device |
Also Published As
Publication number | Publication date |
---|---|
DE3403097A1 (en) | 1984-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |