FI782742A - Anordning foer alstring av vaerme- och elektrisk energi - Google Patents

Anordning foer alstring av vaerme- och elektrisk energi

Info

Publication number
FI782742A
FI782742A FI782742A FI782742A FI782742A FI 782742 A FI782742 A FI 782742A FI 782742 A FI782742 A FI 782742A FI 782742 A FI782742 A FI 782742A FI 782742 A FI782742 A FI 782742A
Authority
FI
Finland
Prior art keywords
vaerme
elektrisk
energi
och
anordning foer
Prior art date
Application number
FI782742A
Other languages
English (en)
Finnish (fi)
Inventor
Werner Ullmann
Original Assignee
Elmapa Nv
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 Elmapa Nv filed Critical Elmapa Nv
Publication of FI782742A publication Critical patent/FI782742A/fi

Links

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
    • F01K17/00Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/005Using steam or condensate extracted or exhausted from steam engine plant by means of a heat pump
    • 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
    • F02G5/00Profiting from waste heat of combustion engines, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24VCOLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
    • F24V40/00Production or use of heat resulting from internal friction of moving fluids or from friction between fluids and moving bodies
    • 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
    • F02G2260/00Recuperating heat from exhaust gases of combustion engines and heat from cooling circuits
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/14Combined heat and power generation [CHP]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Hybrid Electric Vehicles (AREA)
FI782742A 1977-09-14 1978-09-07 Anordning foer alstring av vaerme- och elektrisk energi FI782742A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1124477 1977-09-14

Publications (1)

Publication Number Publication Date
FI782742A true FI782742A (fi) 1979-03-15

Family

ID=4371566

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782742A FI782742A (fi) 1977-09-14 1978-09-07 Anordning foer alstring av vaerme- och elektrisk energi

Country Status (11)

Country Link
US (1) US4264826A (fr)
JP (1) JPS5455834A (fr)
BE (1) BE870424A (fr)
DE (1) DE2750894A1 (fr)
ES (1) ES473882A1 (fr)
FI (1) FI782742A (fr)
FR (1) FR2403461A1 (fr)
GB (1) GB2004362A (fr)
IT (1) IT1098641B (fr)
NL (1) NL7809275A (fr)
SE (1) SE7809647L (fr)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463858A1 (fr) * 1979-08-17 1981-02-27 Jardinier Jean Installation de conversion d'energie a moteur thermique
DE3006821A1 (de) * 1980-02-23 1981-09-10 Franz Prof. Dipl.-Ing. Dr.Techn. 5100 Aachen Pischinger Waermepumpenanordnung
FR2478792A1 (fr) * 1980-03-19 1981-09-25 Elf Aquitaine Installation de chauffage pour locaux a usage d'habitation ou industriel
US4438729A (en) 1980-03-31 1984-03-27 Halliburton Company Flameless nitrogen skid unit
US4409927A (en) * 1980-03-31 1983-10-18 Halliburton Company Flameless nitrogen skid unit with transmission retarder
DE3012760A1 (de) * 1980-04-02 1981-10-08 Klöckner-Humboldt-Deutz AG, 5000 Köln Fluessigkeitsheizungssystem
DE3014029A1 (de) * 1980-04-11 1981-10-22 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Waermepumpenanlagen fuer heizungszwecke
JPS575520A (en) * 1980-06-11 1982-01-12 Mitsubishi Gas Chem Co Inc Method for recovering heat
DE3049416C2 (de) * 1980-12-30 1985-09-12 Horst 7050 Waiblingen Richter Freikolbenmaschine für veränderliche Fördermengen
DE3103199A1 (de) * 1981-01-30 1982-08-26 Oskar Dr.-Ing. 8031 Stockdorf Schatz Verfahren zum betrieb eines waermetauschers mit den abgasen eines kolbenmotors, insbesondere zur beheizung von kraftfahrzeugen, und waermetauscheranordnung zur durchfuehrung des verfahrens
FR2501841A1 (fr) * 1981-03-16 1982-09-17 Boites Vitesses Indles Installation a pompe a chaleur
FR2502694B1 (fr) 1981-03-24 1987-06-05 Labavia Perfectionnements aux circuits de regulation thermique des vehicules equipes d'un ralentisseur electrique
DE3115314C2 (de) * 1981-04-15 1984-10-04 Motorenfabrik Hatz Gmbh & Co Kg, 8399 Ruhstorf Brennkraftmaschine zur Heizwärmeerzeugung
US4342921A (en) * 1981-05-11 1982-08-03 Williams Thomas J Locomotive energy recovery system
US4458633A (en) * 1981-05-18 1984-07-10 Halliburton Company Flameless nitrogen skid unit
SE8206485L (sv) * 1982-11-12 1984-05-13 Rune Jorqvist Friktionsvermeanleggning
US4590384A (en) * 1983-03-25 1986-05-20 Ormat Turbines, Ltd. Method and means for peaking or peak power shaving
US4711204A (en) * 1983-08-08 1987-12-08 Rusconi David M Apparatus and method for cold weather protection of large diesel engines
US4907738A (en) * 1984-09-20 1990-03-13 Conserve, Inc. Heat pump
US4657290A (en) * 1984-10-03 1987-04-14 Linden Craig L Co-generation plant module system
US4736111A (en) * 1984-10-03 1988-04-05 Linden Craig L Cogeneration system
US4686378A (en) * 1985-07-15 1987-08-11 Eta Thermal Systems Corporation Apparatus for generating heat and electricity
SE467618B (sv) * 1986-03-13 1992-08-17 Zwick Energy Res Org Anordning vid avisning
US4756359A (en) * 1986-06-02 1988-07-12 Pony Pack, Inc. Auxiliary air conditioning, heating and engine warming system for vehicles
US5222696A (en) * 1986-10-30 1993-06-29 Zwick Energy Research Organization, Inc. Flameless deicer
US5098036A (en) * 1986-10-30 1992-03-24 Zwick Energy Research Organization, Inc. Flameless deicer
JPS63230953A (ja) * 1987-03-20 1988-09-27 Mitsubishi Heavy Ind Ltd 内燃機関のコジエネレ−シヨンシステム
EP0308567A1 (fr) * 1987-09-22 1989-03-29 Cryomec AG Dispositif pour l'évaporation d'un fluide cryogénique
JPH01253554A (ja) * 1987-12-28 1989-10-09 Niigata Eng Co Ltd 内燃機関駆動発電設備の温水発生装置
US5190249A (en) * 1989-09-25 1993-03-02 Zwick Energy Research Organization, Inc. Aircraft deicer fluid heating and propulsion system
US5188299A (en) * 1991-10-07 1993-02-23 Rap Process Machinery Corp. Apparatus and method for recycling asphalt materials
EP0613518B1 (fr) * 1991-11-19 1995-08-09 ELIN ENERGIEVERSORGUNG GESELLSCHAFT m.b.H. Installation a turbines a gaz et a vapeur combinees pour la production d'energie electrique
DE4203438A1 (de) * 1992-02-06 1993-08-12 Josef Haslbeck Energiesparende kraft-waermekopplung
US5279262A (en) * 1992-06-04 1994-01-18 Muehleck Norman J Mechanical liquid vaporizing waterbrake
US5520342A (en) * 1993-02-17 1996-05-28 Hendrickson; Arthur N. Apparatus for recycling asphalt materials
US5709201A (en) * 1995-10-03 1998-01-20 Anser Thermal Technologies, Inc. Method and apparatus for heating a liquid medium
DE19636523C2 (de) * 1996-09-09 1999-07-22 Isad Electronic Sys Gmbh & Co Kraftfahrzeug mit Latentwärmespeicher und Verfahren zum Aufladen des Latentwärmespeichers
DE19711047C2 (de) * 1997-03-03 1999-07-15 Manfred Dingel Wirbelstrombremse
US6470844B2 (en) * 2001-01-31 2002-10-29 Csx Transportation, Inc. System and method for supplying auxiliary power to a large diesel engine
US6928972B2 (en) * 2001-01-31 2005-08-16 Csxt Intellectual Properties Corporation Locomotive and auxiliary power unit engine controller
US20080206699A1 (en) * 2003-03-07 2008-08-28 St Denis Perry Lucien Method and apparatus for heating a liquid storage tank
CA2421384C (fr) * 2003-03-07 2009-12-15 Ici Solutions Inc. Methode et appareil pour chauffer un reservoir de liquide
US20050061003A1 (en) * 2003-09-18 2005-03-24 Matsushita Electric Industrial Co., Ltd. Cogeneration system
US6971585B2 (en) * 2003-11-13 2005-12-06 International Business Machines Corporation System and method for protecting equipment from damage due to low or rapidly changing temperatures
WO2005080769A1 (fr) * 2004-02-20 2005-09-01 Bianchi & Cecchi S.R.L. Groupe operationnel pour la production integree d'energie et d'eau dessalee
US20050184167A1 (en) * 2004-02-24 2005-08-25 Stanley Bach Heating, ventilating, and air-conditioning system utilizing a pressurized liquid and a fluid-turbine generator
CA2464148A1 (fr) * 2004-04-13 2005-10-13 Gerald Hayes Appareil de chauffage pour puits
US8118239B2 (en) * 2004-05-18 2012-02-21 International Thermal Investments Ltd. Potable water heater
JP2006009713A (ja) * 2004-06-28 2006-01-12 Hitachi Ltd コージェネレーションシステム及びエネルギー供給システム
KR100579576B1 (ko) * 2004-08-17 2006-05-15 엘지전자 주식회사 열병합 발전 시스템
KR100600752B1 (ko) * 2004-08-17 2006-07-14 엘지전자 주식회사 열병합 발전 시스템
CN101415908B (zh) * 2006-04-12 2013-03-13 曼柴油机和涡轮公司,德国曼柴油机和涡轮欧洲股份公司的联营公司 具有能量回收装置的大型涡轮增压柴油发动机
US7614367B1 (en) * 2006-05-15 2009-11-10 F. Alan Frick Method and apparatus for heating, concentrating and evaporating fluid
US10039996B2 (en) * 2006-04-24 2018-08-07 Phoenix Callente LLC Methods and systems for heating and manipulating fluids
US20130075245A1 (en) * 2009-12-16 2013-03-28 F. Alan Frick Methods and systems for heating and manipulating fluids
US8371251B2 (en) * 2006-04-24 2013-02-12 Phoenix Caliente Llc Methods and apparatuses for heating, concentrating and evaporating fluid
EP1865273A1 (fr) * 2006-06-06 2007-12-12 MGH - Power Tech sprl Méthode de chauffage et chaudière basés sur le principe de friction de fluide
DE102006039341B4 (de) * 2006-08-22 2009-11-26 Werner Schmidt Energieversorgungssystem
WO2008035108A1 (fr) * 2006-09-21 2008-03-27 Ray Mason Ensembles moteur
WO2008112793A1 (fr) * 2007-03-13 2008-09-18 Gei Development Llc Concentrateur d'eaux usées
US8801897B2 (en) * 2007-03-13 2014-08-12 Heartland Technology Partners Llc Compact wastewater concentrator and contaminant scrubber
US8741100B2 (en) 2007-03-13 2014-06-03 Heartland Technology Partners Llc Liquid concentrator
US8679291B2 (en) 2007-03-13 2014-03-25 Heartland Technology Partners Llc Compact wastewater concentrator using waste heat
US8790496B2 (en) 2007-03-13 2014-07-29 Heartland Technology Partners Llc Compact wastewater concentrator and pollutant scrubber
US10005678B2 (en) 2007-03-13 2018-06-26 Heartland Technology Partners Llc Method of cleaning a compact wastewater concentrator
EP2183528A1 (fr) * 2007-08-15 2010-05-12 Soltech Energy Sweden Ab Montage pour production électrique
CA2615347A1 (fr) * 2007-12-18 2009-06-18 Melvin Kohlman Ensemble de tubes d'echange thermique
US20090325421A1 (en) * 2008-06-25 2009-12-31 Gills Kenton D Flexible shroud for power cables
MX360400B (es) 2009-02-12 2018-10-31 Heartland Tech Partners Llc Concentrador compacto de aguas residuales compacto que usa el calor de desechos.
US20100236773A1 (en) * 2009-03-18 2010-09-23 Carson Jr Marvin Ted Thermoelectric driven gas well heat pump
US8344528B2 (en) * 2009-07-01 2013-01-01 Terry Edgar Bassett Waste oil electrical generation systems
CA2829330C (fr) * 2010-03-07 2015-09-15 Patrick M. Cronin Appareil de generation de chaleur par energie rotative et procedes associes
DE202011001111U1 (de) * 2011-01-05 2011-03-17 Eckert, Frank System zur Kopplung von Rankine-Prozessen an Verbrennungsmotoren und Gasturbinen
US8721771B2 (en) 2011-01-21 2014-05-13 Heartland Technology Partners Llc Condensation plume mitigation system for exhaust stacks
CA2741581C (fr) 2011-05-26 2015-02-17 Newco Tank Corp. Procede et appareil de chauffage de reservior
US9296624B2 (en) 2011-10-11 2016-03-29 Heartland Technology Partners Llc Portable compact wastewater concentrator
US8808497B2 (en) 2012-03-23 2014-08-19 Heartland Technology Partners Llc Fluid evaporator for an open fluid reservoir
US8741101B2 (en) 2012-07-13 2014-06-03 Heartland Technology Partners Llc Liquid concentrator
US8623174B1 (en) * 2012-12-14 2014-01-07 Heartland Technology Partners Llc Liquid evaporation system with heated liquid
US9802459B2 (en) * 2012-12-21 2017-10-31 Multitek North America, Llc Self-contained flameless fluid heating system
US9199861B2 (en) 2013-02-07 2015-12-01 Heartland Technology Partners Llc Wastewater processing systems for power plants and other industrial sources
US8585869B1 (en) * 2013-02-07 2013-11-19 Heartland Technology Partners Llc Multi-stage wastewater treatment system
US10495025B2 (en) * 2013-03-15 2019-12-03 Conleymax Inc. Flameless combo heater
US9982585B2 (en) 2013-03-15 2018-05-29 Conleymax Inc. Flameless fluid heater
DE102013208701A1 (de) * 2013-05-13 2014-11-13 Robert Bosch Gmbh System zur Verdampfung von verflüssigtem Erdgas (LNG)
US10408548B2 (en) 2013-09-25 2019-09-10 Conleymax Inc. Flameless glycol heater
EP2942257A1 (fr) * 2014-05-08 2015-11-11 Vossloh Kiepe Ges.m.b.H. Dispositif de chauffage de l'espace voyageur et/ou de la cabine de conduite de véhicules sur rails
CN103925059B (zh) * 2014-05-13 2016-06-01 优而耐(福州)动力制造有限公司 可淡化海水的内燃发电机组
DE202014103290U1 (de) 2014-07-15 2014-09-19 Ford Global Technologies, Llc Fahrzeug mit Wärmespeicher
DE102015208100B4 (de) 2014-07-15 2022-03-24 Ford Global Technologies, Llc Kraftfahrzeug mit Wärmespeicher sowie Verfahren zum Betrieb eines Wärmespeichers in einem Kraftfahrzeug
DE102014213674A1 (de) 2014-07-15 2016-01-21 Ford Global Technologies, Llc Fahrzeug mit Wärmespeicher sowie Verfahren zum Betrieb eines Wärmespeichers in einem Fahrzeug
US9562462B2 (en) * 2014-11-10 2017-02-07 Allison Transmission, Inc. System and method for powertrain waste heat recovery
EP3426990A1 (fr) * 2016-03-10 2019-01-16 Bitzer Kühlmaschinenbau GmbH Installation de refroidissement
US11352930B2 (en) * 2019-02-21 2022-06-07 Enginuity Power Systems, Inc. Muffler and catalytic converters for combined heating and power systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218793A (en) * 1940-10-22 Heating and cooling system
US2189895A (en) * 1936-06-15 1940-02-13 Fairbanks Morse & Co Heating and ventilating system
DE1016885B (de) * 1951-07-13 1957-10-03 Thompson Prod Inc Motor-Pumpen-Aggregat
FR1101962A (fr) * 1953-06-09 1955-10-12 Groupe pour la production de chaleur dans un fluide en circulation
US3214100A (en) * 1961-12-26 1965-10-26 Worthington Corp Loading and drive systems for heat pumps
FR1407505A (fr) * 1964-09-11 1965-07-30 British Belting & Asbestos Ltd Appareil de production de chaleur
FR2315666A1 (fr) * 1975-06-27 1977-01-21 Ppm Sa Dispositif de chauffage utilisant la chaleur resultant du laminage d'un fluide sous pression
US4065055A (en) * 1976-01-14 1977-12-27 Cosimo Michael J De Complete system for a home air heating and cooling, hot and cold water, and electric power
US4060194A (en) * 1976-03-08 1977-11-29 Lutz George H Heating system and element therefor
CH612471A5 (en) * 1976-07-01 1979-07-31 Sulzer Ag Internal combustion engine system
US4027631A (en) * 1976-07-06 1977-06-07 Lavery Elzie E Combustion engine driven liquid heater
LU77843A1 (fr) * 1976-07-28 1977-10-25

Also Published As

Publication number Publication date
DE2750894A1 (de) 1979-03-15
IT7827616A0 (it) 1978-09-13
BE870424A (fr) 1979-01-02
US4264826A (en) 1981-04-28
FR2403461A1 (fr) 1979-04-13
GB2004362A (en) 1979-03-28
ES473882A1 (es) 1979-04-16
SE7809647L (sv) 1979-03-15
NL7809275A (nl) 1979-03-16
IT1098641B (it) 1985-09-07
JPS5455834A (en) 1979-05-04

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