ITPD20120075A1 - EXHAUST GAS TURBOGENERATOR - Google Patents

EXHAUST GAS TURBOGENERATOR Download PDF

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Publication number
ITPD20120075A1
ITPD20120075A1 IT000075A ITPD20120075A ITPD20120075A1 IT PD20120075 A1 ITPD20120075 A1 IT PD20120075A1 IT 000075 A IT000075 A IT 000075A IT PD20120075 A ITPD20120075 A IT PD20120075A IT PD20120075 A1 ITPD20120075 A1 IT PD20120075A1
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IT
Italy
Prior art keywords
engine
turbine
electric motor
vehicle
afe
Prior art date
Application number
IT000075A
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Italian (it)
Inventor
Antonio Beltrame
Original Assignee
Antonio Beltrame
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 Antonio Beltrame filed Critical Antonio Beltrame
Priority to IT000075A priority Critical patent/ITPD20120075A1/en
Publication of ITPD20120075A1 publication Critical patent/ITPD20120075A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
    • F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using kinetic energy
    • 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
    • B60K6/48—Parallel type
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Description

TURBOGENERATORE A GAS DI SCARICO EXHAUST GAS TURBOGENERATOR

DESCRIZIONE DESCRIPTION

II presente brevetto è attinente ai dispositivi ausiliari di recupero e/o generazione di energia ed in particolare concerne un nuovo dispositivo ausiliario di generazione di energia, per veicoli con almeno un motore a combustione, detto dispositivo essendo atto a recuperare i gas di scarico del motore per recuperare energia. This patent relates to auxiliary energy recovery and / or generation devices and in particular it concerns a new auxiliary energy generation device, for vehicles with at least one combustion engine, said device being able to recover the exhaust gases of the engine. to recover energy.

II nuovo dispositivo è particolarmente adatto all'installazione su veicoli a propulsione ibrida. The new device is particularly suitable for installation on hybrid propulsion vehicles.

I veicoli a combustione del tipo noto comprendono un motore a combustione e un impianto di accensione a sua volta comprendente una o più batterie per l'accensione del motore e un alternatore per la ricarica delle batterie a motore avviato. Combustion vehicles of the known type comprise a combustion engine and an ignition system in turn comprising one or more batteries for starting the engine and an alternator for recharging the batteries with the engine running.

E' noto che dette batterie sono anche utilizzate per alimentare i dispositivi elettrici accessori del veicolo, come ad esempio le luci, dispositivi radio o altro. It is known that said batteries are also used to power the accessory electrical devices of the vehicle, such as lights, radio devices or the like.

Sono noti dispositivi ausiliari di generazione per alimentare apparecchiature elettriche accessorie mentre il motore è spento. Auxiliary generation devices are known for powering accessory electrical equipment while the engine is off.

II documento WO 2008/102160 riguarda un dispositivo ausiliario comprendente un combustore atto a recuperare i fumi esausti provenienti dalla combustione del motore del veicolo, un compressore atto ad alimentare aria compressa in detto combustore e un turbogeneratore atto a convertire la combustione che avviene in detto combustore in energia elettrica, dove detta energia elettrica viene utilizzata per alimentare dette apparecchiature elettriche accessorie. Document WO 2008/102160 relates to an auxiliary device comprising a combustor suitable for recovering the exhaust fumes coming from the combustion of the vehicle engine, a compressor suitable for feeding compressed air into said combustor and a turbogenerator suitable for converting the combustion that occurs in said combustor. in electrical energy, where said electrical energy is used to power said accessory electrical equipment.

In tali dispositivi avviene quindi un'ulteriore combustione, che produce ulteriori fumi di scarico, andando ad aggravare ulteriormente la quantità di emissioni complessive. In these devices, further combustion takes place, which produces further exhaust fumes, further aggravating the quantity of overall emissions.

Sono noti veicoli a propulsione ibrida, ossia comprendenti due sistemi di propulsione, tra cui un motore elettrico e un motore termico, variamente collegabili alla trasmissione del veicolo. Hybrid propulsion vehicles are known, ie comprising two propulsion systems, including an electric motor and a thermal engine, which can be connected in various ways to the vehicle transmission.

I motori elettrici dei noti veicoli cosiddetti ibridi recuperano in parte l'energia di frenatura, ossia l'energia che verrebbe altrimenti dissipata in calore e che viene invece rimessa in batteria e/o accumulatore tramite un'unità AC-DC Rigenerativa o AFE ("Active Front End"), che gestisce lo scambio di energia con la batteria e/o accumulatore mediante il controllo della tensione DC BUS. The electric motors of the known so-called hybrid vehicles partially recover the braking energy, i.e. the energy that would otherwise be dissipated in heat and which is instead put back into the battery and / or accumulator through a Regenerative AC-DC unit or AFE (" Active Front End "), which manages the energy exchange with the battery and / or accumulator by controlling the DC BUS voltage.

Oggetto del presente brevetto è un nuovo tipo di dispositivo ausiliario di recupero del calore dai gas di scarico per generare energia, per veicoli con motore a combustione e/o veicoli a propulsione ibrida. The subject of the present patent is a new type of auxiliary device for recovering heat from exhaust gases to generate energy, for vehicles with combustion engines and / or vehicles with hybrid propulsion.

Compito principale del presente trovato è generare energia elettrica utilizzando i fumi e il calore di scarico del motore del veicolo. The main aim of the present invention is to generate electrical energy by using the fumes and the exhaust heat of the vehicle engine.

Altro scopo del presente trovato è quello di utilizzare l'energia elettrica generata per coadiuvare il funzionamento del motore a combustione e/o il funzionamento dell'eventuale motore elettrico, limitando così i consumi di alimentazione del motore stesso. Another object of the present invention is to use the electrical energy generated to assist the operation of the combustion engine and / or the operation of any electric motor, thus limiting the power consumption of the engine itself.

II presente trovato è infatti particolarmente adatto aH'installazione su veicob a propulsione ibrida, che può così recuperare energia sia in frenata che in marcia. The present invention is in fact particularly suitable for installation on hybrid propulsion vehicles, which can thus recover energy both when braking and when running.

Altro scopo del presente trovato è quello di ridurre le emissioni di gas inquinanti del motore. Another object of the present invention is to reduce the emissions of polluting gases from the engine.

Altro scopo è quello di contenere i costi di produzione e di installazione. Questi ed altri scopi, diretti e complementari, sono raggiunti dal nuovo dispositivo ausiliario di recupero del calore dai gas di scarico per generare energia, per veicoli con motore a combustione e/o veicoli a propulsione ibrida. Another purpose is to contain production and installation costs. These and other direct and complementary purposes are achieved by the new auxiliary device for recovering heat from the exhaust gases to generate energy, for vehicles with combustion engines and / or vehicles with hybrid propulsion.

Il nuovo dispositivo è atto ad essere installato a valle di un motore a combustione di un veicolo in genere, e in particolare comprende: The new device is adapted to be installed downstream of a combustion engine of a vehicle in general, and in particular includes:

• almeno una turbina; • at least one turbine;

• almeno un condotto atto a convogliare i fumi di scarico del veicolo su detta turbina e poi a scaricarlo all'esterno; • at least one duct suitable for conveying the vehicle exhaust fumes onto said turbine and then discharging it to the outside;

• almeno un generatore di energia elettrica collegato a detta turbina; · almeno un regolatore di tensione collegato a detto generatore. • at least one electric power generator connected to said turbine; At least one voltage regulator connected to said generator.

Detto dispositivo è atto ad essere installato su veicoli a motore a combustione e particolarmente su veicoli a propulsione ibrida, con motore elettrico e motore termico. Said device is adapted to be installed on vehicles with combustion engines and particularly on vehicles with hybrid propulsion, with electric motor and thermal engine.

Detto dispositivo è atto ad alimentare una o più batterie o accumulatori e/o e/o un motore elettrico a sua volta collegato con l'albero o con il motore stesso del veicolo. Said device is able to power one or more batteries or accumulators and / or and / or an electric motor which is in turn connected to the shaft or to the motor itself of the vehicle.

Nel dettaglio, il nuovo dispositivo può dunque alimentare dette una o più batterie, a loro volta utilizzabili ad esempio per l'alimentazione di apparecchi accessori del veicolo. In detail, the new device can therefore power said one or more batteries, which in turn can be used for example to power accessory devices of the vehicle.

In alternativa o in combinazione, il nuovo dispositivo più essere utilizzato per alimentare uno o più motori elettrici con AFE, attraverso almeno un DC BUS stabilizzato con regolatore di tensione. Si può ad esempio prevedere che detto motore elettrico sia collegato alla trasmissione del veicolo, o che detto motore elettrico sia direttamente collegato al motore a combustione. In questo modo, il motore del veicolo viene coadiuvato, riducendo pertanto le emissioni e conseguentemente i consumi complessivi. Alternatively or in combination, the new device can be used to power one or more electric motors with AFE, through at least one stabilized DC BUS with voltage regulator. For example, it can be provided that said electric motor is connected to the transmission of the vehicle, or that said electric motor is directly connected to the combustion engine. In this way, the vehicle engine is assisted, thus reducing emissions and consequently overall consumption.

Le caratteristiche del nuovo dispositivo saranno meglio chiarite dalla seguente descrizione con riferimento alla tavola di disegno, allegata a titolo di esempio non limitativo. The characteristics of the new device will be better clarified by the following description with reference to the drawing table, attached by way of non-limiting example.

In figura 1 è rappresentato schematicamente il funzionamento del nuovo dispositivo (1) applicato ad un motore a combustione (M) di un veicolo. Si tratta di un dispositivo (1) ausiliario per il recupero del calore dei gas di scarico e per la generazione di energia, per veicoli con motore (M) a combustione e/o a propulsione ibrida, ossia comprendente detto motore a combustione (M) ed eventualmente anche un motore elettrico (E, 7). Figure 1 schematically represents the operation of the new device (1) applied to a combustion engine (M) of a vehicle. This is an auxiliary device (1) for recovering the heat of the exhaust gases and for generating energy, for vehicles with combustion and / or hybrid propulsion engines (M), i.e. comprising said combustion engine (M) and possibly also an electric motor (E, 7).

Il nuovo dispositivo (1) è atto ad essere installato a valle di detto motore (M) a combustione e comprende almeno una turbina (2) e almeno un condotto (3) atto a convogliare i fumi di scarico di detto motore (M) del veicolo su detta turbina (2). The new device (1) is adapted to be installed downstream of said combustion engine (M) and comprises at least one turbine (2) and at least one duct (3) suitable for conveying the exhaust fumes of said engine (M) of the vehicle on said turbine (2).

Detto condotto (3) comprende in particolare un manicotto (31) atto ad essere collegato al tubo di scarico (MI) di detto motore (M) del veicolo e dove detto condotto (3), a valle di detta turbina (2), scarica (32) poi detti fumi alfe sterno. Said duct (3) in particular comprises a sleeve (31) adapted to be connected to the exhaust pipe (MI) of said engine (M) of the vehicle and where said duct (3), downstream of said turbine (2), discharges (32) then said fumes alfe sterno.

Detto nuovo dispositivo (1) comprende anche almeno un generatore (4) di energia elettrica collegato a detta turbina (2) e almeno un regolatore di tensione (5) collegato a detto generatore (4). Said new device (1) also comprises at least one electric power generator (4) connected to said turbine (2) and at least one voltage regulator (5) connected to said generator (4).

Detto dispositivo (1) è collegabile ad una o più batterie o accumulatori (6) e ad almeno un DC BUS (61) ed è atto ad alimentare uno o più motori elettrici (E, 7). Said device (1) can be connected to one or more batteries or accumulators (6) and to at least one DC BUS (61) and is able to power one or more electric motors (E, 7).

Ad esempio, detto dispositivo (1) è collegabile, tramite un eventuale AFE (El), a detto motore elettrico (E), a sua volta collegato con l'albero (M2) di detto motore (M) del veicolo. For example, said device (1) can be connected, through a possible AFE (El), to said electric motor (E), in turn connected to the shaft (M2) of said motor (M) of the vehicle.

In alternativa o in combinazione, detto dispositivo (1) è collegabile, tramite un eventuale ulteriore AFE (71) ad un motore elettrico ausiliario (7) collegato a detto motore a combustione (M). Alternatively or in combination, said device (1) can be connected, by means of a possible further AFE (71), to an auxiliary electric motor (7) connected to said combustion engine (M).

In questo modo è possibile, tramite detti AFE (El, 71), non solo recuperare energia di frenatura, andando ad alimentare i rispettivi motori elettrici (E, 7) o dette batterie o accumulatori (6), ma è anche possibile recuperare energia, grazie a detto dispositivo (1), anche durante la normale marcia del veicolo. Queste sono le modalità schematiche sufficienti alla persona esperta per realizzare il trovato, di conseguenza, in concreta applicazione potranno esservi delle varianti senza pregiudizio alla sostanza del concetto innovativo. In this way it is possible, through said AFEs (El, 71), not only to recover braking energy, going to power the respective electric motors (E, 7) or said batteries or accumulators (6), but it is also possible to recover energy, thanks to said device (1), even during the normal running of the vehicle. These are the schematic modalities sufficient for the skilled person to realize the invention, consequently, in concrete application there may be variations without prejudice to the substance of the innovative concept.

Pertanto con riferimento alla descrizione che precede e alla tavola acclusa si esprimono le seguenti rivendicazioni. Therefore, with reference to the preceding description and the attached table, the following claims are expressed.

Claims (5)

RIVENDICAZIONI 1. Dispositivo (1) ausiliario per il recupero del calore di scarico e la generazione di energia per veicoli con almeno un motore (M) a combustione, atto ad essere installato a valle di detto motore (M) a combustione, caratterizzato dal fatto di comprendere almeno una turbina (2), almeno un condotto (3) atto a convogliare i fumi di scarico di detto motore (M) del veicolo su detta turbina (2), almeno un generatore (4) di energia elettrica collegato a detta turbina (2) e almeno un regolatore di tensione (5) collegato a detto generatore (4), e dove detto dispositivo (1) è atto ad alimentare direttamente o indirettamente una o più batterie o accumulatori (6) e/o uno o più motori elettrici (E, 7). CLAIMS 1. Auxiliary device (1) for the recovery of exhaust heat and the generation of energy for vehicles with at least one combustion engine (M), adapted to be installed downstream of said combustion engine (M), characterized in that comprising at least one turbine (2), at least one duct (3) adapted to convey the exhaust fumes of said engine (M) of the vehicle onto said turbine (2), at least one generator (4) of electrical energy connected to said turbine ( 2) and at least one voltage regulator (5) connected to said generator (4), and where said device (1) is able to directly or indirectly power one or more batteries or accumulators (6) and / or one or more electric motors (E, 7). 2. Dispositivo (1) ausiliario per veicoli a propulsione ibrida, ossia comprendenti almeno detto motore a combustione (M) e almeno un motore elettrico (E) con AFE (El), come da rivendicazione 1, caratterizzato dal fatto che detto regolatore di tensione (5) del dispositivo (1) è collegato a detto motore elettrico (E) con AFE (El) mediante un DC BUS (61). 2. Auxiliary device (1) for hybrid propulsion vehicles, i.e. comprising at least said combustion engine (M) and at least one electric motor (E) with AFE (El), as per claim 1, characterized in that said voltage regulator (5) of the device (1) is connected to said electric motor (E) with AFE (El) by means of a DC BUS (61). 3. Dispositivo (1) ausiliario come da rivendicazioni 1 o 2, caratterizzato dal fatto di comprendere almeno un ulteriore motore elettrico (7) con AFE (71), collegato a detto motore (M), e collegato a detto regolatore di tensione (5) del dispositivo (1) mediante un DC BUS. 3. Auxiliary device (1) as per claims 1 or 2, characterized in that it comprises at least one further electric motor (7) with AFE (71), connected to said motor (M), and connected to said voltage regulator (5 ) of the device (1) via a DC BUS. 4. Dispositivo (1) ausiliario, come da rivendicazioni precedenti, caratterizzato dal fatto di essere collegato a detto motore elettrico ausiliario (7) tramite un ulteriore AFE (71). 4. Auxiliary device (1), as per the preceding claims, characterized in that it is connected to said auxiliary electric motor (7) by means of a further AFE (71). 5. Dispositivo (1) ausiliario, come da rivendicazione 1, caratterizzato dal fatto che detto condotto (3) comprende un manicotto (31) atto ad essere collegato al tubo di scarico (MI) di detto motore (M) del veicolo e dove detto condotto (3), a valle di detta turbina (2), scarica (32) poi detti fumi alfe sterno.5. Auxiliary device (1), as per claim 1, characterized in that said duct (3) comprises a sleeve (31) adapted to be connected to the exhaust pipe (MI) of said engine (M) of the vehicle and where said duct (3), downstream of said turbine (2), discharges (32) then said fumes to the outside.
IT000075A 2012-03-09 2012-03-09 EXHAUST GAS TURBOGENERATOR ITPD20120075A1 (en)

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IT000075A ITPD20120075A1 (en) 2012-03-09 2012-03-09 EXHAUST GAS TURBOGENERATOR

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004137A1 (en) * 1984-03-14 1985-09-26 Saab-Scania Aktiebolag Arrangement for energy transmission in a vehicle drive unit
EP0294146A1 (en) * 1987-05-30 1988-12-07 Isuzu Motors Limited Exhaust energy recovery apparatus for engine
JP2000045817A (en) * 1998-07-31 2000-02-15 Hino Motors Ltd Hybrid automobile
EP1316458A1 (en) * 2001-11-30 2003-06-04 Ford Global Technologies, Inc. A hybrid electric vehicle and a method therefor
US20030145597A1 (en) * 2002-02-06 2003-08-07 Denso Corporation Compound engine dynamo-electric machine
EP1522450A2 (en) * 1998-09-14 2005-04-13 Paice LLC Engine start and shutdown control in hybrid vehicles
WO2006117701A2 (en) * 2005-04-07 2006-11-09 Spano Pietro Engine unit for hybrid veichles
EP1782988A1 (en) * 2005-11-04 2007-05-09 MAGNETI MARELLI POWERTRAIN S.p.A. Hybrid-drive vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004137A1 (en) * 1984-03-14 1985-09-26 Saab-Scania Aktiebolag Arrangement for energy transmission in a vehicle drive unit
EP0294146A1 (en) * 1987-05-30 1988-12-07 Isuzu Motors Limited Exhaust energy recovery apparatus for engine
JP2000045817A (en) * 1998-07-31 2000-02-15 Hino Motors Ltd Hybrid automobile
EP1522450A2 (en) * 1998-09-14 2005-04-13 Paice LLC Engine start and shutdown control in hybrid vehicles
EP1316458A1 (en) * 2001-11-30 2003-06-04 Ford Global Technologies, Inc. A hybrid electric vehicle and a method therefor
US20030145597A1 (en) * 2002-02-06 2003-08-07 Denso Corporation Compound engine dynamo-electric machine
WO2006117701A2 (en) * 2005-04-07 2006-11-09 Spano Pietro Engine unit for hybrid veichles
EP1782988A1 (en) * 2005-11-04 2007-05-09 MAGNETI MARELLI POWERTRAIN S.p.A. Hybrid-drive vehicle

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