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WO2003038347A1 - Rechauffeur d'air portable et generateur d'energie electrique pourvu d'une unite compresseur/turbine - Google Patents

Rechauffeur d'air portable et generateur d'energie electrique pourvu d'une unite compresseur/turbine Download PDF

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Publication number
WO2003038347A1
WO2003038347A1 PCT/CA2002/001621 CA0201621W WO03038347A1 WO 2003038347 A1 WO2003038347 A1 WO 2003038347A1 CA 0201621 W CA0201621 W CA 0201621W WO 03038347 A1 WO03038347 A1 WO 03038347A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
means mentioned
energy
mentioned
heat exchanger
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.)
Ceased
Application number
PCT/CA2002/001621
Other languages
English (en)
Inventor
Luiz Claudio Vieira Fernandes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002477917A priority Critical patent/CA2477917A1/fr
Publication of WO2003038347A1 publication Critical patent/WO2003038347A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0488—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2240/00—Fluid heaters having electrical generators
    • F24H2240/02—Fluid heaters having electrical generators with combustion engines
    • F24H2240/04—External combustion engines
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Definitions

  • Indirect self-powered portable air heaters are available in the market for a long time. Traditionally they use either an internal combustion piston engine or an electric motor to drive a fan that supplies air for both combustion and process.
  • Heaters using internal combustion piston engines will only depend on the fuel as the only source of energy, so that, they can be used in remote regions. However, due to the size of this engine, they tend to be bulky, heavy and complex to operate and maintain. Electric driven heaters are less complex but depend not only on the fuel as energy source but also on external power supply. That limits its ability to
  • thermoelectric driven heaters open the possibilities of using electric driven fans in remote regions since a small fraction of the heat released in the combustion is converted into electricity in the thermoelectric devices.
  • thermoelectric heaters are costly, subject to thermal cycle problems in their thermoelectric system and still present a power
  • This invention uses both concepts of a combustor and turbocharger, uses the advantages of a heat engine, similar to the benefits of an internal combustion piston engine but without the limitations and drawbacks of being complex and relatively costly to maintain. Additionally, it provides a much larger operational range for both combustion and
  • the invention is shown in 3 different basic diagrams with some alternative configurations. All 3 basic configurations use a turbocharger as the central component of the portable air heater/ electrical generator.
  • the idea behind is that the turbocharger provides mechanical power, in form of pressure and velocity, to the process air. This mechanical power can be used to drive a fan and also the combustion system, if necessary. It can also deliver electrical power for external applications.
  • Figure 1 shows the turbocharger system (compressor + turbine components) where heat is provided by a heat exchanger. This heat exchanger also receives combustion gases from a combustor. The turbocharger runs purely in air.
  • the process air coming out of the turbocharger can move a small air turbine/ air-motor or can be used to generate thrust in the fan through small air jets located in the fan blades.
  • a generator is connected to the fan axle, and supplies power for a small oil pressure pump used to lubricate the turbocharger oil bearings.
  • the dashed lines in all figures represent electrical power being delivered by the generator to the electrical motors of both oil pump and starting fan. Electricity has also sometimes provided to a specific so-called combustion fan, that provides combustion air for the combustor.
  • the turbocharger can use air bearings instead of oil bearings.
  • a small fan is used to pump air to both compressor and combustor and the starting fan can be turned off once the turbocharger speed is higher than idle.
  • the process air consists of two air streams: the first coming from the turbocharger and the second, called secondary air, originated either from the process fan movement or from the pumping action of a conventional air ejector system as shown on figure 1A.
  • the secondary air stream also carries out some of the heat generated in the turbocharger components.
  • the components that are used to extract energy from the turbocharger' s turbine outlet air are part of the so-called energy extractor system. Therefore, the energy extractor system can consist of an air turbine or air motor, a fan driven by process air jets or an air ejector plus an electrical generator attached to the shaft.
  • Figure 2 shows a different diagram where the combustor receives some combustion air from the turbine outlet. The rest of the system is similar from the one discussed on figure 1.
  • system 1, shown on figures 1 and 1A uses the combustor receiving air from a blower; system shown on figure 2 uses some pressurized air from the turbocharger that delivers a high efficient heat transfer process in the heat exchanger. Auxiliary air can also be induced in the combustor by the turbine pressurized air.
  • the fuel can be relatively easy supplied to the combustor, since the combustor air pressure is relatively close to the atmosphere.
  • Fig.2A A derivation from Fig.2 is shown on Fig.2A, which is more suitable for electricity generation.
  • all turbocharged delivered hot air is directed to an air motor that produces some mechanical power that can be used to drive an electrical generator.
  • FIG. 2B shows a similar configuration but with the difference that all turbine air flows to the energy extractor system, in this case represented by an air-motor.
  • Figure 2C has a difference from figure 2B in which the process air that leaves the air-air heat exchanger returns back to the compressor inlet, resulting in a closed loop air system.
  • the only hot air to be delivered outside the system is the one induced by the process fan.
  • This air will be heated by the air-atmospheric air heat exchanger.
  • Figure 3 shows a different schematic for the portable air system: a combustor is located in between the compressor and turbine, and combustion gases will expand against the turbine. After that the combustion gases will further expand in an air motor that drives both an electrical generator and a fan, called process fan.
  • an air motor will provide mechanical and/or electrical power to and outside the system and a process fan or ejector will pump surrounding air to the combustion gases.
  • the heated air that leaves the system has some fraction of combustion gases. All systems shown on Figs. 1, 1A, 2, 2A, 2B, 2C, 3 and 3 A can also produce excess electricity in the generator part, so that the system can also be used as well as an electrical generator.

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un appareil pourvu d'une unité compresseur/turbine destinée à fournir de l'air chaud propre et/ou de l'énergie électrique. Pendant le cycle de combustion, le combustible est brûlé dans une chambre de combustion. Les gaz d'échappement chauds fournissent de la chaleur à un cycle d'air de traitement par l'intermédiaire d'un échangeur thermique. L'énergie thermique restante peut être déchargée par un échangeur thermique air-air atmosphérique. Dans le cycle d'air de traitement, l'air froid circule à travers le compresseur, est chauffé par l'intermédiaire de l'échangeur thermique décrit ci-dessus, puis se dilate dans une turbine. La turbine et le compresseur sont couplés sur un arbre unique. La pression restante du flux d'air propulse un moteur pneumatique qui entraîne une soufflante et une unité générateur pour produire de l'énergie électrique. La soufflante mélange l'air de traitement chaud et l'air secondaire froid, et fournit l'air mélangé à un endroit dans lequel cet air est utilisé. Un éjecteur peut être utilisé à la place de la soufflante.
PCT/CA2002/001621 2001-11-01 2002-10-31 Rechauffeur d'air portable et generateur d'energie electrique pourvu d'une unite compresseur/turbine Ceased WO2003038347A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002477917A CA2477917A1 (fr) 2001-11-01 2002-10-31 Rechauffeur d'air portable et generateur d'energie electrique pourvu d'une unite compresseur/turbine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002362537A CA2362537A1 (fr) 2001-11-01 2001-11-01 Generateur d'air chaud mobile auto-alimente a chambre de combustion et turbocompresseur
CA2,362,537 2001-11-01

Publications (1)

Publication Number Publication Date
WO2003038347A1 true WO2003038347A1 (fr) 2003-05-08

Family

ID=4170512

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2002/001621 Ceased WO2003038347A1 (fr) 2001-11-01 2002-10-31 Rechauffeur d'air portable et generateur d'energie electrique pourvu d'une unite compresseur/turbine

Country Status (2)

Country Link
CA (1) CA2362537A1 (fr)
WO (1) WO2003038347A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019777A3 (fr) * 2011-01-28 2012-12-04 Laloy Patrick Generateur de chaleur par air surpresse "air-air/air-eau".
WO2021025986A1 (fr) * 2019-08-02 2021-02-11 Dynamo Micropower Corporation Dispositif de chauffage de turbine à gaz et moteur à turbine à gaz combustible double

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754607A (en) * 1986-12-12 1988-07-05 Allied-Signal Inc. Power generating system
US5476378A (en) * 1993-04-09 1995-12-19 Shrinkfast Marketing Turbine device for hot air generation
US5903060A (en) * 1988-07-14 1999-05-11 Norton; Peter Small heat and electricity generating plant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754607A (en) * 1986-12-12 1988-07-05 Allied-Signal Inc. Power generating system
US5903060A (en) * 1988-07-14 1999-05-11 Norton; Peter Small heat and electricity generating plant
US5476378A (en) * 1993-04-09 1995-12-19 Shrinkfast Marketing Turbine device for hot air generation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019777A3 (fr) * 2011-01-28 2012-12-04 Laloy Patrick Generateur de chaleur par air surpresse "air-air/air-eau".
WO2021025986A1 (fr) * 2019-08-02 2021-02-11 Dynamo Micropower Corporation Dispositif de chauffage de turbine à gaz et moteur à turbine à gaz combustible double
US11680522B2 (en) * 2019-08-02 2023-06-20 Dynamo Ip Holdings, Llc Gas turbine heater

Also Published As

Publication number Publication date
CA2362537A1 (fr) 2003-05-01

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