EP3504410A1 - Dispositif de refroidissement de système de suralimentation d'air de moteur thermique, et système de suralimentation d'air equipé d'un tel dispositif - Google Patents
Dispositif de refroidissement de système de suralimentation d'air de moteur thermique, et système de suralimentation d'air equipé d'un tel dispositifInfo
- Publication number
- EP3504410A1 EP3504410A1 EP17751797.6A EP17751797A EP3504410A1 EP 3504410 A1 EP3504410 A1 EP 3504410A1 EP 17751797 A EP17751797 A EP 17751797A EP 3504410 A1 EP3504410 A1 EP 3504410A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- air
- water
- electric compressor
- engine
- 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.)
- Withdrawn
Links
Classifications
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- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/005—Cooling of pump drives
-
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
- F01P2005/125—Driving auxiliary pumps electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/02—Intercooler
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
-
- 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 invention relates generally to the field of the automobile. More particularly, the invention relates to a cooling device for an engine air supercharging system comprising a thermal turbocharger and an electric compressor. The invention also relates to an air supercharging system in which is integrated such a cooling device.
- the electric compressor requires more efficient cooling means than a simple air cooling for its electric motor and power electronics associated therewith.
- the need for a circuit of Water cooling is then required and requires a water-air heat exchanger and a water pump which represent additional costs and a large volume.
- the document DE10315779A1 describes a cooling device of a thermal engine air supercharging system.
- the invention relates to a cooling device of an engine air supercharging system comprising a thermal turbocharger and a water-cooled electric compressor, the device comprising a first cooling circuit for cooling of the charge air supplied by the system to the heat engine and a second cooling circuit for the water cooling of the electric compressor.
- the device comprises a water-air heat exchanger which is common to both said first and second cooling circuits.
- a same water-air heat exchanger is thus used for cooling the supercharged compressed air and for cooling the compressor.
- the water-to-air heat exchanger does not need to be oversized compared to the one that would be used in an air supercharging system without an electric compressor.
- the invention therefore provides a large volume gain that facilitates the integration of the electric compressor under the engine hood of the vehicle and allows a significant reduction in costs.
- the total cooling capacity of the common water-air heat exchanger is dimensioned for the first cooling circuit for cooling the supercharging air supplied to the heat engine when this it is in a high-speed operating zone in which it delivers its maximum power.
- the common water-air heat exchanger is formed of first and second heat exchange sections in fluid communication and together providing the total cooling capacity of the common water-air heat exchanger.
- the first cooling circuit uses the first and second heat exchange sections.
- the second cooling circuit uses the second heat exchange section.
- the thermal cooling capacity of the second heat exchange section is sized to cool the electric compressor to just necessary when the electric compressor is activated in a low-speed operating zone of the engine. .
- the first and second cooling circuits respectively comprise first and second water pumps.
- the invention also relates to a thermal engine air supercharging system comprising a thermal turbocharger and a water-cooled electric compressor, and in which is integrated a cooling device as briefly described herein. -Dessous.
- FIG. a block diagram showing a particular embodiment of an air supercharging system of the invention equipped with its cooling device; and Figs.2A and 2B are views of principle showing the architecture and operation of a water-air heat exchanger integrated in the cooling device according to the invention.
- the air supercharging system 1 essentially comprises a thermal turbocharger 10, an electric compressor 1 1 cooled by water, a cooling device 12, and various ancillary elements of the air loop. supplying air such as an air filter 13, air lines 14, and a branch line 15 equipped with a solenoid valve 150 for the electric compressor 1 1.
- the system 1 equips a heat engine 2 and is connected thereto at the air intake distributor 20, through a throttle valve 21, and at the exhaust manifold 23 and the line of the engine. exhausting gases, through a gas propeller 100 of the turbocharger 10.
- the cooling device 12 comprises a first cooling circuit 12A (Fig.1) and a second cooling circuit 12B (Fig.1) which share a common water-air heat exchanger 120.
- the heat exchanger 120 has first and second heat exchange sections 120A and 120B that are in fluid communication. These first and second sections 120A and 120B, shown in detail in Figs.2A and 2B, are shown in solid and hatched lines, respectively.
- the first cooling circuit 12A is dedicated to the cooling of the supercharging air, whether it comes from the compression performed by an air propeller 101 (Fig.1) of the turbocharger 10 or that produced by an air propeller 1 10 (Fig.1) of the compressor 1 1. As known, such a cooling of the charge air allows a better filling of the cylinders of the heat engine 2.
- This first cooling circuit 12A is established through the common water-air heat exchanger 120 and also uses an exchanger thermal air-water 121 and a first water pump 122A.
- the pump 122A forces the cooling water circulation through the air-water exchanger 121 to cool the charge air and through the exchanger 120.
- the calories from the charge air are extracted from it. in the exchanger 121 and transferred to the cooling water of the circuit 12A.
- the cooling water then releases its calories into the ambient air at the level of the common exchanger 120.
- the second cooling circuit 12B is a cooling device dedicated to the compressor 1 1, and more precisely its electric motor 1 1 1 and the power electronics associated therewith.
- This second cooling circuit 12B is established through the common water-air heat exchanger 120 and uses a second water pump 122B which forces the circulation of the cooling water through channels arranged in an engine casing 1 1 1 to cool the latter and through the exchanger 120. The calories extracted from the engine 1 1 1 and its associated electronics are released into the ambient air at the exchanger 120.
- the cooling device 12 has an architecture called here "in two independent cooling circuits.” This architecture has the advantage of allowing differential control of water flow rates through the first and second water pumps 122A and 122B.
- the common water-air heat exchanger 120 does not need to be oversized compared to the water-air heat exchanger which would be used in a supercharging system. of air without electric compressor.
- the operating zone of the heat engine 2 requiring a cooling of the compressor 1 1 is different from that for which was dimensioned the water-air heat exchanger 120.
- the water-air heat exchanger 120 is dimensioned in full cooling capacity for a high-speed operating zone of the engine 2, that is to say, when the turbocharger 10 is active.
- the dimensioning of the exchanger 120 is made on the point of maximum power of the heat engine, that is to say in a high-speed operating zone thereof, to evacuate sufficient calories for the cooling of the engine. supercharged compressed air.
- the electric compressor 1 1 needs to be cooled only when it is used, that is to say in a low-speed operating zone of the engine 2 in which the turbocharger 10 is not active. .
- the cooling device 12 can therefore have a water-air heat exchanger 120 having the same volume of space that would be used if the system 1 did not include the compressor. electric 1 1 and the second cooling circuit 12B.
- Figs.2A and 2B it is now described in detail the first and second modes of operation of the water heat exchanger- air 120 respectively corresponding to the operating zones at high speed and low speed of the engine 2.
- the engine 2 operates at high speed and the electric compressor 1 1 is not active. It is then only necessary to cool the charge air supplied by the turbocharger 10.
- the pump 122B is not activated (sign "X" in Fig.2A) and there is therefore no water circulation in the electric compressor 1 1.
- the flow of water through the heat exchange sections 120A and 120B is shown in Fig. 2A by the solid arrows.
- the cooling water circulates throughout the tubular structure of the exchanger 120 to cool the charge air at the exchanger 121.
- the engine 2 operates at low speed, the turbocharger 10 is not active and the charge air is supplied by the electric compressor 1 1. It is then necessary to cool the charge air supplied by the electric compressor 1 1 and also to cool the compressor 1 1 itself (electric motor 1 1 and associated power electronics).
- the 122B and 122A pumps are both activated. A flow of water is then obtained in the two cooling circuits 12A and 12B.
- the flow of water through the heat exchange sections 120A and 120B is shown by solid arrows for the first cooling circuit 12A and by dashed arrows for the second circuit. 12B.
- the heat exchange section 120B is sized to cool the electric compressor 1 1 just necessary when it is activated. In this way, the heat exchange section 120B retains a maximum capacity for cooling the water entering the air-water heat exchanger 121 so as to lower the temperature of the charge air at the level of the exchanger 121.
- the architecture of the exchanger 120 according to the invention offers the advantage of being able to be designed so as to provide each of the circuits 12A and 12B a capacitance of water cooling adapted to their needs, and without the need to use an actuator such as a solenoid valve.
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)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1657908A FR3055368B1 (fr) | 2016-08-24 | 2016-08-24 | Dispositif de refroidissement de systeme de suralimentation d’air de moteur thermique, et systeme de suralimentation d’air equipe d'un tel dispositif |
PCT/FR2017/051906 WO2018037171A1 (fr) | 2016-08-24 | 2017-07-11 | Dispositif de refroidissement de système de suralimentation d'air de moteur thermique, et système de suralimentation d'air equipé d'un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3504410A1 true EP3504410A1 (fr) | 2019-07-03 |
Family
ID=57137153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17751797.6A Withdrawn EP3504410A1 (fr) | 2016-08-24 | 2017-07-11 | Dispositif de refroidissement de système de suralimentation d'air de moteur thermique, et système de suralimentation d'air equipé d'un tel dispositif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3504410A1 (fr) |
CN (1) | CN109642490B (fr) |
FR (1) | FR3055368B1 (fr) |
WO (1) | WO2018037171A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019008356B4 (de) | 2019-12-02 | 2021-09-16 | Ford Global Technologies, Llc | Kombinierte Verdichter-Kühl-Einheit und Verwendung einer derartigen Verdichter-Kühl-Einheit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6062026A (en) * | 1997-05-30 | 2000-05-16 | Turbodyne Systems, Inc. | Turbocharging systems for internal combustion engines |
KR100389698B1 (ko) * | 2000-12-11 | 2003-06-27 | 삼성공조 주식회사 | 고/저온 수냉식 냉각시스템 |
WO2002079621A1 (fr) * | 2001-01-05 | 2002-10-10 | Renault S.A.S | Dispositif, systeme et procede de refroidissement d'un fluide caloporteur |
DE10215779B4 (de) * | 2002-04-10 | 2006-01-26 | Robert Bosch Gmbh | Brennkraftmaschine mit einer Aufladevorrichtung |
DE10315779A1 (de) | 2003-04-07 | 2004-11-04 | J. Eberspächer GmbH & Co. KG | Gebläse, insbesondere Verbrennungsluftgebläse für ein Fahrzeugheizgerät |
FI121800B (fi) * | 2008-01-10 | 2011-04-15 | Waertsilae Finland Oy | Mäntämoottorin ahdinjärjestely |
FI122036B (fi) * | 2008-01-10 | 2011-07-29 | Waertsilae Finland Oy | Mäntämoottorin turboahdinjärjestely |
DE102010063265A1 (de) * | 2010-12-16 | 2012-06-21 | Mahle International Gmbh | Ladeluftkühler |
DE102012017391A1 (de) * | 2012-09-01 | 2014-05-15 | Volkswagen Aktiengesellschaft | Saugrohr für einen Verbrennungsmotor |
DE102013212904A1 (de) * | 2013-07-02 | 2015-01-08 | Volkswagen Aktiengesellschaft | Brennkraftmaschine |
DE102013113060B4 (de) * | 2013-11-26 | 2017-03-16 | Pierburg Gmbh | Brenngasversorgungssystem für eine Verbrennungskraftmaschine |
CN105179066B (zh) * | 2015-10-16 | 2017-11-24 | 安徽江淮汽车集团股份有限公司 | 一种包括有辅助水泵的发动机冷却系统改进结构 |
CN105201619B (zh) * | 2015-10-16 | 2018-07-10 | 安徽江淮汽车集团股份有限公司 | 一种包括有双膨胀水箱的双循环冷却系统改进结构 |
CN105201625B (zh) * | 2015-10-16 | 2017-10-13 | 安徽江淮汽车集团股份有限公司 | 一种发动机冷却系统 |
-
2016
- 2016-08-24 FR FR1657908A patent/FR3055368B1/fr active Active
-
2017
- 2017-07-11 EP EP17751797.6A patent/EP3504410A1/fr not_active Withdrawn
- 2017-07-11 CN CN201780052232.3A patent/CN109642490B/zh active Active
- 2017-07-11 WO PCT/FR2017/051906 patent/WO2018037171A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3055368A1 (fr) | 2018-03-02 |
FR3055368B1 (fr) | 2018-08-24 |
CN109642490B (zh) | 2021-09-21 |
CN109642490A (zh) | 2019-04-16 |
WO2018037171A1 (fr) | 2018-03-01 |
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Owner name: PSA AUTOMOBILES SA |