WO2012125155A1 - Échangeur de chaleur destiné à être utilisé avec une turbine de récupération de chaleur - Google Patents

Échangeur de chaleur destiné à être utilisé avec une turbine de récupération de chaleur Download PDF

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Publication number
WO2012125155A1
WO2012125155A1 PCT/US2011/028435 US2011028435W WO2012125155A1 WO 2012125155 A1 WO2012125155 A1 WO 2012125155A1 US 2011028435 W US2011028435 W US 2011028435W WO 2012125155 A1 WO2012125155 A1 WO 2012125155A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooler
exhaust gas
gas recirculation
heat recovery
outlet port
Prior art date
Application number
PCT/US2011/028435
Other languages
English (en)
Inventor
John Zagone
Deokkyu Park
Robert L. Rowells
Chunyi XIA
Daniel Cornelius
Raul Espinosa
Original Assignee
International Engine Intellectual Property Company, Llc
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 International Engine Intellectual Property Company, Llc filed Critical International Engine Intellectual Property Company, Llc
Priority to PCT/US2011/028435 priority Critical patent/WO2012125155A1/fr
Publication of WO2012125155A1 publication Critical patent/WO2012125155A1/fr

Links

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
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
    • 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
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0412—Multiple heat exchangers arranged in parallel or in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F02B29/0443—Layout of the coolant or refrigerant circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/08—EGR systems specially adapted for supercharged engines for engines having two or more intake charge compressors or exhaust gas turbines, e.g. a turbocharger combined with an additional compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/24—Layout, e.g. schematics with two or more coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • 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
    • F02G2260/00—Recuperating heat from exhaust gases of combustion engines and heat from cooling circuits
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present disclosure relates to a Rankine cycle waste heat recovery system and method of controlling the same on an internal combustion engine. More particularly, the present disclosure relates to a Rankine cycle heat waste recovery system utilizing coolant from an exhaust gas recirculation cooler and a method of controlling the same.
  • EGR exhaust gas recirculation
  • ⁇ nitrogen oxides
  • most engines have an EGR cooler, where the exhaust gas in the EGR system is cooled before it is mixed with intake air and provided to the engine for use in combustion.
  • the cooling fluid used in the EGR cooler receives a large amount of heat from the exhaust gas, and may vaporize the cooling fluid. Therefore, this heat within the cooling fluid may be utilized in a Rankine cycle waste heat recovery system to generate useable energy, such as electrical energy, or mechanical energy.
  • useable energy is reclaimed from the heat of the coolant passed through the EGR cooler.
  • an internal combustion engine comprises an exhaust system, an air intake system, an exhaust gas recirculation portion, and a heat recovery turbine.
  • the exhaust gas recirculation portion has a first cooler, a second cooler, and an exhaust gas recirculation valve.
  • the exhaust gas recirculation portion is disposed in D6978 fluid communication with the exhaust system and the air intake system.
  • the heat recovery turbine is in fluid communication with coolant passing through the first cooler and the second cooler of the exhaust gas recirculation portion.
  • the second cooler has a top surface and a bottom surface.
  • the second cooler has an inlet port disposed proximate the top surface, a first outlet port disposed proximate the bottom surface, and a second outlet port disposed proximate the top surface.
  • a cooler for an exhaust gas recirculation system that has a heat recovery turbine and a heat recovery turbine bypass.
  • the cooler has a first end, a second end, a generally top surface and a generally bottom surface.
  • the cooler comprises an exhaust gas inlet, an exhaust gas outlet, a cooling fluid inlet port, a first cooling fluid outlet port, and a second cooling fluid outlet port.
  • the exhaust gas inlet is disposed proximate the first end.
  • the exhaust gas outlet is disposed proximate the second end.
  • the cooling fluid inlet port is disposed proximate the generally top surface.
  • the first cooling fluid outlet port is disposed proximate the generally top surface.
  • the second cooling fluid outlet port is disposed proximate the generally bottom surface.
  • a cooling system for an exhaust gas recirculation assembly comprises a first exhaust gas recirculation cooler, a second exhaust gas recirculation cooler, and a heat recovery turbine.
  • the first exhaust gas recirculation cooler receives a coolant.
  • the second exhaust gas recirculation cooler is disposed upstream in the exhaust system of the first exhaust gas recirculation cooler, and receives the coolant from the first exhaust gas recirculation cooler.
  • the heat recovery turbine is in fluid communication with coolant from the second exhaust gas recirculation cooler.
  • the second cooler has a top surface and a bottom surface.
  • the second cooler has an inlet port disposed proximate the top surface, a first outlet port disposed proximate the bottom surface, and a second outlet port disposed proximate the top surface.
  • the second outlet port is disposed in fluid communication with the heat recovery turbine.
  • FIG. 1 is a schematic diagram showing an engine having a waste heat recovery system according to one embodiment
  • FIG. 2 is a schematic diagram showing a portion of an engine having a waste heat recovery system according to another embodiment.
  • FIG 3. is a schematic diagram showing a second EGR cooler according to one embodiment. D6978
  • FIG. 1 shows an engine 10 connected to an electric motor and generator 12 and a transmission 14.
  • the engine 10 has an exhaust system 16.
  • the exhaust system 16 has an exhaust gas recirculation ("EGR") portion 18.
  • the EGR portion 18 has a first EGR cooler 20, a second EGR cooler 22 and an EGR valve 24.
  • the first and second EGR coolers 20, 22 reduce the temperature of exhaust gas within the EGR portion 18.
  • the exhaust system 16 additionally is shown as having a high pressure turbocharger turbine 26 and a low pressure turbocharger turbine 28.
  • the EGR valve 24 controls the flow of exhaust gas within the EGR portion 18.
  • the engine 10 additionally has an air intake system 30.
  • the air intake system 30 has a low pressure turbocharger compressor 32 and a high pressure turbocharger compressor 34.
  • a low pressure charge air cooler 36 is provided to cool intake air within the air intake system 30 following the low pressure turbocharger compressor 32, and a high pressure charge air cooler 38 is provided after the high pressure turbocharger compressor 34.
  • a throttle valve 40 is also disposed within the air intake system 30.
  • the low pressure turbocharger turbine 28 and the low pressure turbocharger compressor 32 form a first turbocharger
  • the high pressure turbocharger turbine 26 and the high pressure turbocharger compressor 34 form a second turbocharger. It is contemplated that the first turbocharger and the second turbocharger may be variable geometry turbochargers.
  • the heat recovery turbine uses the Rankine cycle in order to allow the heat recovery turbine to rotate and generate torque used to turn a heat recovery generator 44 that generates electrical energy.
  • An inverter and voltage controller 46 control the output of the heat recovery generator 44 and allow the electrical energy to be passed to a high voltage bus 48 of a vehicle containing the engine 10.
  • a bypass valve 50 is provided between the second EGR cooler 22 and the heat recovery turbine 42.
  • the bypass valve 50 allows at least a portion of the coolant from the second EGR cooler 22 to bypass the heat recovery turbine 42 when the bypass valve 50 is positioned in at least a partially open position.
  • the bypass valve 50 may include an orifice to reduce the pressure of flow through the bypass valve 50.
  • Coolant that has passed through the heat recovery turbine 42 or the bypass valve 50 is delivered to a recuperator 52.
  • the recuperator 52 allows coolant to be pre-heated before being provided to the first EGR cooler 20, depending on operating conditions of the engine 10.
  • Coolant exiting the recuperator 52 is provided to a heat exchanger assembly 54.
  • the heat exchanger assembly 54 ay include a condenser and a radiator in order to lower the temperature of the coolant.
  • coolant is delivered to an accumulator 56.
  • the accumulator is in fluid communication with a low pressure pump 58.
  • the low pressure pump 58 is contemplated to raise the pressure of the coolant to a range from about one bar to about four bar (1-4 bar).
  • the low pressure pump 58 is in fluid communication with a filter 60 that removes foreign materials from the coolant.
  • a high pressure pump 62 receives coolant from the filter 60.
  • the high pressure pump 62 is contemplated to raise the pressure of the coolant to a range from about fifteen bar to about twenty five bar (15-25 bar). Coolant exiting the high pressure pump 62 flows through a check valve 64 and to a distributor 66.
  • the check valve 64 prevents backflow within the coolant system.
  • the distributor 66 has a plurality of outlets that allow coolant to flow to various components.
  • coolant may be provided to the first EGR cooler 20, to the low pressure charge air cooler 36, or to the recuperator 52.
  • a charge air cooler valve 68 controls the flow of coolant from the distributor 66 to the low pressure charge air cooler 36.
  • a recuperator valve 70 controls the flow of coolant from the distributor 66 to the recuperator 52. Coolant that flows to the recuperator 52 is heated by the coolant that has left the heat recovery turbine 42 or passed through the bypass valve 50, before being provided to the first EGR cooler 20. Thus, the recuperator 52 allows the coolant entering the first EGR cooler 20 to be at a higher temperature than coolant that does not pass through the recuperator 52. Thus, in certain operating conditions, the recuperator 52 allows the heat recovery turbine 42 to be used when it otherwise would not, as the coolant is at a sufficient temperature to be in a vapor state.
  • FIG. 2 a schematic view of another embodiment of an engine 110 is shown. It is contemplated that the engine 110 has an air intake system and an exhaust system that are generally identical to those shown in FIG. 1.
  • the engine 110 is connected to an electric motor and generator 1 12 and a transmission 114.
  • the engine 110 has an EGR portion 1 18.
  • the EGR portion 118 has a first EGR cooler 120, and a second EGR cooler 122. Coolant from an accumulator 156 or a condenser 158 is supplied to the first EGR cooler 120.
  • a first coolant pump 172 is disposed in fluid communication with the condenser 158, the accumulator 156, and the first EGR cooler 120. The first coolant pump 172 controls a flow of coolant to the first EGR cooler 120.
  • An interstage cooler 176 may be provided downstream of the first EGR cooler 120. The interstage cooler 176 may receive intake air that has passed through a first turbocharger to cool the air before it passes through a second turbocharger. The first coolant pump 172 additionally controls the flow of coolant through the interstage cooler 176.
  • Coolant that has passed through the interstage cooler 176 is provided to a second coolant pump 174.
  • a pressure relief valve 151 is provided upstream of the second coolant pump 174 to allow pressure within the coolant to be regulated. For instance, if it is determined that pressure is too high within the EGR coolant system, the pressure relief valve 151 may be opened to regulate the pressure.
  • the second coolant pump 174 is provided to control coolant flow through the second EGR cooler 122. The second coolant pump 174 may alter the flow rate of coolant in order to control the temperature and pressure of the coolant.
  • Coolant that passes through the second EGR cooler 122 may be provided to a heat recovery turbine 142 through a first outlet port 212 (FIG. 3).
  • the coolant exiting the first outlet port 212 is in a vapor state.
  • Coolant that passes through the second EGR cooler 122 may also be provided to a bypass valve 150 from a second outlet port 214 (FIG. 3)
  • the coolant exiting the second outlet port 214 is in a liquid state.
  • the heat recovery turbine 142 is adapted to receive coolant in a vapor state, therefore, to prevent damage to the heat recovery turbine 142, the second outlet port 214 (FIG. 3) and the bypass valve 150 are provided to route liquid coolant from the second EGR cooler 122 back to the condenser 158.
  • Coolant that is supplied to the heat recovery turbine 142 expands as it passes through the heat recovery turbine 142. Rotation of the heat recovery turbine 142 turns a generator 144 to produce electrical energy.
  • the generator 144 is connected to an inverter 146 to regulate the electrical energy generated by the generator 144.
  • Coolant that has passed through the heat recovery turbine 142 is provided to a condenser 158 where it is cooled.
  • FIG. 3 shows a more detailed schematic view of the second EGR cooler 122.
  • the second EGR cooler has a top surface 202 and a generally opposite bottom surface 204.
  • the EGR cooler additionally comprises a first end 206 and a generally opposite second end 208.
  • Exhaust gas enters the first end 206 of he second EGR cooler 122 and exits at the second end 208 of the EGR cooler 122, thus moving in the direction of arrow A.
  • the exhaust gas transfers heat to coolant within the second EGR cooler 122.
  • Coolant enters the second EGR cooler 122 through an inlet port 210. Coolant entering the inlet port 210 is generally in a liquid state.
  • the inlet port 210 is disposed proximate to the top surface 202 of the EGR cooler 122 and is disposed proximate the second end 208 of the EGR cooler 122.
  • the coolant receives heat from the exhaust gas, and a portion of the coolant vaporizes. Coolant that vaporizes exits the second EGR cooler 122 through the first outlet port 212.
  • the first outlet port 212 is in fluid communication with the heat recovery turbine 142 (FIG. 2).
  • the first outlet port 212 is disposed proximate the first end 206 of the second EGR cooler 122.
  • the first outlet port is also disposed proximate the top surface 202 of the second EGR cooler 122.
  • Coolant that remains in a liquid state in the second EGR cooler 122 exits through a second outlet port 214.
  • the second outlet port 214 is in fluid communication with the bypass valve 150 (FIG. 2) so that no liquid coolant will pass through the heat recovery turbine 142 (FIG.2).
  • the second outlet port is disposed proximate the first end 206 of the second EGR cooler 122.
  • the second outlet port is also disposed proximate the bottom surface 204 of the second EGR cooler 122.
  • control system may be implemented in hardware to effectuate the method.
  • the control system can be implemented with any or a combination of the following technologies, which are each well known in the art: a discrete logic circuit(s) having logic gates for implementing logic functions upon data signals, an application specific integrated circuit (ASIC) having appropriate combinational logic gates, a programmable gate array(s) (PGA), a field programmable gate array (FPGA), etc.
  • ASIC application specific integrated circuit
  • PGA programmable gate array
  • FPGA field programmable gate array
  • control system can be stored on any computer readable medium for use by or in connection with any computer related system or method.
  • a "computer- readable medium” can be any medium that can store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
  • the computer readable medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium.
  • the computer-readable medium would include the following: an electrical connection (electronic) having one or more wires, a portable computer diskette (magnetic), a random access memory (RAM) (electronic), a read-only memory (ROM) (electronic), an erasable programmable read-only memory (EPROM, EEPROM, or Flash memory) (electronic), an optical fiber (optical) and a portable compact disc read-only memory (CDROM) (optical).
  • an electrical connection having one or more wires
  • a portable computer diskette magnetic
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read-only memory
  • Flash memory erasable programmable read-only memory
  • CDROM portable compact disc read-only memory
  • control system can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions.

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  • 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)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

Un moteur à combustion interne comprend un système d'échappement, un système d'admission d'air, une partie de recirculation des gaz d'échappement et une turbine de récupération de chaleur. La partie de recirculation des gaz d'échappement est équipée d'un premier refroidisseur, d'un second refroidisseur et d'une soupape de recirculation des gaz d'échappement. La partie de recirculation des gaz d'échappement est disposée de manière à être en communication fluidique avec le système d'échappement et le système d'admission d'air. La turbine de récupération de chaleur est en communication fluidique avec un liquide de refroidissement qui passe par le premier refroidisseur et le second refroidisseur de la partie de recirculation des gaz d'échappement. Le second refroidisseur est équipé d'une surface supérieure et d'une surface inférieure. Le second refroidisseur est pourvu d'un orifice d'admission qui est disposé à proximité de la surface supérieure, d'un premier orifice de refoulement qui est disposé à proximité de la surface inférieure, et d'un second orifice de refoulement qui est disposé à proximité de la surface supérieure.
PCT/US2011/028435 2011-03-15 2011-03-15 Échangeur de chaleur destiné à être utilisé avec une turbine de récupération de chaleur WO2012125155A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2011/028435 WO2012125155A1 (fr) 2011-03-15 2011-03-15 Échangeur de chaleur destiné à être utilisé avec une turbine de récupération de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2011/028435 WO2012125155A1 (fr) 2011-03-15 2011-03-15 Échangeur de chaleur destiné à être utilisé avec une turbine de récupération de chaleur

Publications (1)

Publication Number Publication Date
WO2012125155A1 true WO2012125155A1 (fr) 2012-09-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002285A1 (fr) * 2013-02-20 2014-08-22 Renault Sa Systeme de recuperation de chaleur des gaz d'echappement dans un moteur a combustion interne, avec deux echangeurs de chaleur au niveau d'un circuit de recirculation de gaz
JP2014234801A (ja) * 2013-06-05 2014-12-15 日産自動車株式会社 エンジンの廃熱利用装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060124114A1 (en) * 2004-12-14 2006-06-15 Sayers Jon A Bypass for exhaust gas cooler
US20080202739A1 (en) * 2007-02-27 2008-08-28 Barfknecht Robert J 2-Pass heat exchanger including internal bellows assemblies
US20080271722A1 (en) * 2005-11-18 2008-11-06 Behr Gmbh & Co. Kg Heat Exchanger for a Combustion Engine
US20100095941A1 (en) * 2006-10-24 2010-04-22 Nicolas Auffret Internal combustion engine comprising an exhaust gas recirculation system
US20100139626A1 (en) * 2008-12-10 2010-06-10 Man Nutzfahrzeuge Oesterreich Ag Drive Unit with Cooling Circuit and Separate Heat Recovery Circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060124114A1 (en) * 2004-12-14 2006-06-15 Sayers Jon A Bypass for exhaust gas cooler
US20080271722A1 (en) * 2005-11-18 2008-11-06 Behr Gmbh & Co. Kg Heat Exchanger for a Combustion Engine
US20100095941A1 (en) * 2006-10-24 2010-04-22 Nicolas Auffret Internal combustion engine comprising an exhaust gas recirculation system
US20080202739A1 (en) * 2007-02-27 2008-08-28 Barfknecht Robert J 2-Pass heat exchanger including internal bellows assemblies
US20100139626A1 (en) * 2008-12-10 2010-06-10 Man Nutzfahrzeuge Oesterreich Ag Drive Unit with Cooling Circuit and Separate Heat Recovery Circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002285A1 (fr) * 2013-02-20 2014-08-22 Renault Sa Systeme de recuperation de chaleur des gaz d'echappement dans un moteur a combustion interne, avec deux echangeurs de chaleur au niveau d'un circuit de recirculation de gaz
WO2014128075A1 (fr) * 2013-02-20 2014-08-28 Renault S.A.S Système de récupération de chaleur provenant des gaz d'échappement d'un moteur à combustion interne, doté de deux échangeurs de chaleur sur un circuit de circulation en circuit fermé des gaz
CN105121826A (zh) * 2013-02-20 2015-12-02 雷诺两合公司 用于利用气体再循环回路上的两个热交换器从内燃发动机的排放气体回收热量的系统
JP2014234801A (ja) * 2013-06-05 2014-12-15 日産自動車株式会社 エンジンの廃熱利用装置

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