WO2006117701A2 - Groupe moteur pour vehicules hybrides - Google Patents
Groupe moteur pour vehicules hybrides Download PDFInfo
- Publication number
- WO2006117701A2 WO2006117701A2 PCT/IB2006/050533 IB2006050533W WO2006117701A2 WO 2006117701 A2 WO2006117701 A2 WO 2006117701A2 IB 2006050533 W IB2006050533 W IB 2006050533W WO 2006117701 A2 WO2006117701 A2 WO 2006117701A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine unit
- unit according
- engine
- electrical energy
- turbine
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/43—Engines
- B60Y2400/435—Supercharger or turbochargers
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- the present invention refers to an engine unit for hybrid vehicles .
- Hybrid vehicles are designed with the object of consuming less fuel emitting less noxious substances and polluting gases, exploiting more rationally the energy of traditional fuels along with the advantages deriving from the use of electrical energy-supplied engines.
- a first category comprises the vehicles in which a conventional endothermic engine drives a generator that in turn feeds an electric motor connected to the driving wheels.
- a generator that in turn feeds an electric motor connected to the driving wheels.
- such vehicles are not characterized by appreciable energy savings.
- the efficiency of the generator and of the electric motor is anyhow lower than that of one with an entailed less-than-optimal transmission of power to the wheels.
- a second category of hybrid vehicles comprises those vehicles in which the engine drives a generator that stores power in storage batteries, from which it is taken to drive an electric motor connected to the driveline.
- a third category of hybrid vehicles comprises those vehicles in which the engine transmits power to the driving wheels and drives a generator recharging the storage batteries and feeding an electric motor, it also connected to the driving wheels.
- the latter solution though certainly advantageous with respect to the others, still entails the drawback of being greatly affected by the higher or lower efficiency of the engine, the latter being the crucial element to the ends of overall efficiency (consumptions, emission of pollutants, etc.)
- object of the present invention is to solve said problems of the known art, by providing an engine unit for hybrid vehicles as defined in independent claim 1.
- the present invention further refers to a hybrid vehicle as defined in claim 11.
- the present invention by overcoming the abovementioned problems of the known art, entails several and evident advantages .
- figure 1 is an exemplary diagram of the engine unit according to the present invention.
- an engine unit 1 comprises an endothermic engine 2, whose exhaust gases are utilized to drive a gas turbine 5.
- the engine unit comprises a generator 6, driven by the turbine, producing electrical energy. This energy is then used to recharge battery backs 7 that in turn are used to feed the electric onboard apparatuses and/or one or more electric motors 8 aiding the drive .
- the endothermic volumetric engine 2 Otto-cycle, diesel or rotative, transmits motion directly to the driving wheels of the vehicle.
- the exhaust gases of the engine 2 set in motion a gas turbine 5, centrifugal, centripetal or axial, with one or more stages.
- the turbine will drive the generator of electrical energy, energy that could be stored in the batteries or directly used for the drive.
- the production of electrical energy is made independent from the endothermic engine.
- it is provided an electronic control of the speed rate of the turbine by means of a suitable control unit allowing, above a certain predetermined threshold, to run the turbine itself at its optimum speed rate, for any ratio of the rotation speed rate of the turbine to that of the volumetric engine.
- the electric motors 8 aiding the drive are usually fed directly by the generator; however, during the running, there may be provided phases in which the electric motors 8 are supplied via the batteries. This is possible, e.g., to improve vehicle performances in particularly critical phases such as ascents or times at which a higher pickup is required. Moreover, according to conventional schemes, the electric motors 8 could advantageously be exploited in deceleration stages, working as electrical energy generators .
- one or more electronic control units 9 could be provided for managing the energy flows and the different operation modes that will be described hereinafter.
- Such control units may reasonably be assumed - A - to lay within the reach of a person skilled in the art, therefore no description thereof will be provided, also because their implementation will depend each time on the specific applications desired.
- the electrical energy supplied by the turbine-driven generator will suffice to do away with the traditional alternator for recharging the battery.
- the electric motor by being connectable to the driving shaft of the endothermic engine, may also be used as a starter.
- a vehicle fitted with an engine unit according to the present invention could advantageously start running driven by the sole electric motor, or by the sole endothermic engine, or by both.
- the endothermic engine When driven by the sole electric motor, the latter will draw energy from the batteries and the vehicle speed will suffice for circulating in traffic restricted areas, in towns and in parking maneuvers . Upon reaching a certain speed, the endothermic engine can start running.
- the power of the electric motor adds to the power of the endothermic engine, it will be possible to use smaller endothermic engines, and not oversized ones as is usually the case. Moreover, since the electric motor exhibits a remarkable torque right from low speed rates, advantageously there could be used an engine designed so as to exhibit an improved efficiency at higher speed rates, with an entailed sensible fuel saving in out-of- town running .
- a vehicle fitted with an electric-turbo- compound engine unit according to the present invention may easily be turned into a 4x4 drive one, merely by connecting the endothermic engine to one of the shafts and the electric motor to the other shaft.
- the electrical energy produced by the batteries could advantageously be used to feed an air compressor, to boost the endothermic engine.
- An electrically driven compressor entails the advantage of keeping the boosting at optimal values with respect to the rotation speed rate and to the load of the endothermic engine, as well as of adjusting the same boosting in the acceleration and deceleration stages, to get round the known problem of the response delay of the traditionally boosted engines.
- An electric-turbo-compound engine unit according to the present invention behaves almost like a two-shaft turbine with piston compressor. Hence, if exhaust valves are opened in advance and engine firing is delayed, gas at a higher temperature will reach the turbine developing a higher power, whereas the engine will decrease in power.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Supercharger (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
La présente invention concerne un groupe moteur pour véhicules hybrides et un véhicule hybride correspondant. De par sa conception, l'invention garantit un rendement élevé, une diminution notable de consommation, et une importante réduction des émissions polluantes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06765653A EP1885574A2 (fr) | 2005-04-07 | 2006-02-17 | Groupe moteur pour vehicules hybrides |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTP20050001 ITTP20050001A1 (it) | 2005-04-07 | 2005-04-07 | Veicolo ibrido dotato di motore elettrico ed endotermico con turbina a gas e batterie elettriche. |
ITTP2005A000001 | 2005-04-07 | ||
ITTP2005A000003 | 2005-08-26 | ||
ITTP20050003 ITTP20050003A1 (it) | 2005-08-26 | 2005-08-26 | Motore elettro turbo composito tendente a turbina a due assi |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006117701A2 true WO2006117701A2 (fr) | 2006-11-09 |
WO2006117701A3 WO2006117701A3 (fr) | 2007-03-01 |
Family
ID=37081607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2006/050533 WO2006117701A2 (fr) | 2005-04-07 | 2006-02-17 | Groupe moteur pour vehicules hybrides |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1885574A2 (fr) |
WO (1) | WO2006117701A2 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPD20120075A1 (it) * | 2012-03-09 | 2013-09-10 | Antonio Beltrame | Turbogeneratore a gas di scarico |
DE102013106643A1 (de) | 2012-07-05 | 2014-01-09 | Ford Global Technologies, Llc | Motoranordnung mit Energierückgewinnung aus dem Abgas |
US9200556B2 (en) | 2013-02-15 | 2015-12-01 | Alexander Wong | Turbo recharger |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211822A (ja) * | 1988-06-29 | 1990-01-16 | Isuzu Motors Ltd | 回転電機付ターボチャージャの駆動装置 |
DE4439573A1 (de) * | 1994-11-05 | 1996-05-09 | Mtu Friedrichshafen Gmbh | Verfahren zum Betrieb einer Brennkraftmaschine mit einem Abgasturbolader |
DE10022113A1 (de) * | 2000-05-06 | 2001-11-15 | Daimler Chrysler Ag | Hybridantrieb für Kraftfahrzeuge |
DE10061796A1 (de) * | 2000-12-12 | 2002-07-04 | Man Nutzfahrzeuge Ag | Verfahren zur Verbesserung des Ansprechverhaltens von Turboladern |
DE10140120A1 (de) * | 2001-08-16 | 2003-03-06 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Betreiben eines Verbrennungsmotors |
US6931850B2 (en) * | 2003-09-10 | 2005-08-23 | The Regents Of The Univesity Of California | Exhaust gas driven generation of electric power and altitude compensation in vehicles including hybrid electric vehicles |
-
2006
- 2006-02-17 WO PCT/IB2006/050533 patent/WO2006117701A2/fr not_active Application Discontinuation
- 2006-02-17 EP EP06765653A patent/EP1885574A2/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
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None |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPD20120075A1 (it) * | 2012-03-09 | 2013-09-10 | Antonio Beltrame | Turbogeneratore a gas di scarico |
DE102013106643A1 (de) | 2012-07-05 | 2014-01-09 | Ford Global Technologies, Llc | Motoranordnung mit Energierückgewinnung aus dem Abgas |
US9441532B2 (en) | 2012-07-05 | 2016-09-13 | Ford Global Technologies, Llc | Engine assembly with turbine generator control |
US9200556B2 (en) | 2013-02-15 | 2015-12-01 | Alexander Wong | Turbo recharger |
Also Published As
Publication number | Publication date |
---|---|
WO2006117701A3 (fr) | 2007-03-01 |
EP1885574A2 (fr) | 2008-02-13 |
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