FR2479896A1 - Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment - Google Patents

Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment Download PDF

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Publication number
FR2479896A1
FR2479896A1 FR8007902A FR8007902A FR2479896A1 FR 2479896 A1 FR2479896 A1 FR 2479896A1 FR 8007902 A FR8007902 A FR 8007902A FR 8007902 A FR8007902 A FR 8007902A FR 2479896 A1 FR2479896 A1 FR 2479896A1
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FR
France
Prior art keywords
turbine
generator
drive
exhaust gases
exhaust
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Withdrawn
Application number
FR8007902A
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French (fr)
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to FR8007902A priority Critical patent/FR2479896A1/en
Publication of FR2479896A1 publication Critical patent/FR2479896A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
    • F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
    • 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 by exhaust energy
    • F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The system uses exhaust gases to drive a turbine which, in turn, drives an electric generator to supply power for ignition, battery charging, fans, pumps, and the vehicle electric system. The turbine (1) is mounted in the exhaust pipe so that the momentum of the exhaust gases (A) is converted to rotation of the turbine. To assist the turbine, partic. at high vehicle speeds, a tapered coaxial duct (3) placed around the exhaust pipe allows the air stream (B) to pass over the turbine blades. An additional application for the generated energy is supercharging, using an electrically driven constant speed compressor on the air inlet. The saving provided by the system is of the order of 10% for engines having a capacity of less than two litres.

Description

L'objet de l'invention concerne un dispositif destiné à améliorer le rendement des moteurs thermiques. The object of the invention relates to a device intended to improve the efficiency of heat engines.

Il est destiné à équiper les moteurs à explosion, à combustion interne et antre, afin d'éviter les prises de force sur l1 arbre moteur entraînant divers accessoires et les pertes d'énergie en résultant. It is intended to equip internal combustion, internal combustion and laden engines, in order to avoid power take-offs on the engine shaft causing various accessories and the resulting energy losses.

Dans les dispositifs connus, le moteur était utilisé pour entraîner les alternateurs, les pompes et autres accessoires, ee qui diminuait leur rendement dans des proportions parfois considérables. In known devices, the motor was used to drive the alternators, pumps and other accessories, which reduced their efficiency in sometimes considerable proportions.

Le dispositif suivant l'invention supprime ces inconvénnients et permet d'assurer l'entraînement des acces soires utilisés pour le fonctionnement du moteur par un moyen autonome. The device according to the invention eliminates these drawbacks and makes it possible to drive the accessories accesories used for the operation of the engine by an autonomous means.

Il est constitué par l'application nouvelle d'une turbine sur le conduit d'échappement, afin d'utiliser la force vive des gaz pour l'entraînement d'un alternateur. It consists of the new application of a turbine on the exhaust pipe, in order to use the live force of the gases for driving an alternator.

Sur les dessins annéxes, donnés á titre d'exemple non limitatif, dune des formes de réalisation de l'objet de l'invention. In the appended drawings, given by way of nonlimiting example, of one of the embodiments of the subject of the invention.

La figure 1 représente w en coupe longitudina- le l'implantation de la turbine sur le conduit d'échappe- ment des gaz. Figure 1 shows w in longitudinal section the location of the turbine on the gas exhaust pipe.

La figure 2 montre schématiquement l'entraînement de l'aternateur relié aux organes accessoires
La turbine 1, figure 1 est montrée dans l'exemple donné dans le conduit d'échappement 2, et reçoit comme fluide moteur les gaz flèche A.Figure 2 shows schematically the drive of the alternator connected to the accessory organs
The turbine 1, FIG. 1 is shown in the example given in the exhaust duct 2, and receives the engine gases arrow A as the working fluid.

Des ouvertures ou ouïes 3, 4 sont orientées dans le sens de l'avancement du véhicule flèche C, et captent un air secondaire flèches B, qui augmente la puissance de rotation de la turbine tout en la refroidissant.  Openings or openings 3, 4 are oriented in the direction of advancement of the vehicle arrow C, and capture a secondary air arrows B, which increases the rotational power of the turbine while cooling it.

De plus, cet afflux de fluide moteur accélère l'échappement des gaz que la turbine aurait pu freiner. In addition, this inflow of working fluid accelerates the escape of gases that the turbine could have braked.

L'arbre moteur 5 tournant à la vitesse des pales transmet la rotation par le renvoi 6 à l'ensemble démultiplicateur 7 qui entrains l'alternateur ou la dynamo 8. The motor shaft 5 rotating at the speed of the blades transmits the rotation by the gear 6 to the reduction gear 7 which drives the alternator or the dynamo 8.

Le courant est envoyé par les conducteurs 9, 10, 11, 12, soit aux bougies 13, aux accumulateurs 14, ou encore aux pompes 15, 16. The current is sent by the conductors 9, 10, 11, 12, either to the spark plugs 13, to the accumulators 14, or even to the pumps 15, 16.

La turbine 1 n'a pas besoin d'être plongée dans le flux gazeux total de l'échappement. Elle peut supporter une forte distribution d'air, ou encore être accouplée à une autre turbine actionnée par le déplacement d'air du véhicule en marche. The turbine 1 does not need to be immersed in the total gas flow of the exhaust. It can withstand a large distribution of air, or even be coupled to another turbine actuated by the movement of air from the vehicle in motion.

En cas d'application de ce dispositif à l'automobile l'économie de combustible est de l'ordre d'environ 10 % pour des véhicules de cylindrée inférieures à deux litres
Du fait de l'autonomie de la production de l'énergie électrique, on n'est plus limité dans la puissance de lal ternateur. On peut également entrainer par un moteur électrique,un compresseur centrifuge à vitesse constante, monté dans l'admission des gaz frais du moteur. Ce compresseur permet d'annuler les pertes de charges dans le circuit d'admission d'air.When this device is applied to the automobile, the fuel economy is around 10% for vehicles with a displacement of less than two liters.
Due to the autonomy of the production of electrical energy, we are no longer limited in the power of the generator. We can also drive by an electric motor, a centrifugal compressor at constant speed, mounted in the intake of fresh gas from the engine. This compressor makes it possible to cancel the pressure drops in the air intake circuit.

Cet ensemble turbine combinée avec un alternateur n'absorbe plus l'énergie mécanique transmise par l'arbre moteur, car jusqu'à ce jour l'entraînement de ces accessoires absorbait une partie non négligeable de l'énergie mécanique utile. This turbine assembly combined with an alternator no longer absorbs the mechanical energy transmitted by the motor shaft, because to date the drive of these accessories absorbed a non-negligible part of the useful mechanical energy.

Cependant les formes, dimensions et dispositions des différents éléments pourront varier dans la limite des équivalents, comme d'ailleurs les matières utilisées pour leur fabrication, sans changer pour cela la conception générale de l'invention qui vient d'être décrite. However, the shapes, dimensions and arrangements of the various elements may vary within the limit of the equivalents, like the materials used for their manufacture, without changing the general conception of the invention which has just been described.

Claims (5)

REVENDICATIONS 10 Dispositif destiné à améliorer le rendement des moteurs thermiques, afin d'éviter les prises de force sur l'arbre moteur entraînant divers accessoires et les pertes d'énergie en résultant, se caractérisant par le fait que l'on dispose une turbine (1) dans le conduit déchappe- ment des gas (2). 10 Device intended to improve the efficiency of heat engines, in order to avoid power take-offs on the drive shaft leading to various accessories and the resulting energy losses, characterized by the fact that a turbine (1 ) in the gas exhaust pipe (2). 20 Dispositif suivant la revendication i se caractérisant paP le fait que la turbine (1) montée dans le conduit d'échappement des gaz est positionnée de façon à recevoir la poussée de l'air extérieur par les cules ou auvents (3, 4) orientés dans le sens de la marche du véhicule. 20 Device according to claim i characterized paP the fact that the turbine (1) mounted in the gas exhaust duct is positioned so as to receive the thrust of the outside air by the cules or awnings (3, 4) oriented in the direction of travel of the vehicle. 30 Dispositif suivant la revendication 1 se caractérisant par le fait que l'arbre moteur solidaire des pales, la turbine est reliée par le renvoi (6) à un ensemble réducteurou démultiplicateur (7) entraînant un alternateur ou une dynamo (8). 30 Device according to claim 1 characterized in that the motor shaft secured to the blades, the turbine is connected by the reference (6) to a reduction or reduction gear assembly (7) driving an alternator or a dynamo (8). 40 Dispositif suivant la revendication 1 se oara- ctérisant par le fait que l'alternateur alimente les bougies (13), les accumulateurs (14), les pompes (15, 16). 40 Device according to Claim 1, characterized in that the alternator supplies the spark plugs (13), the accumulators (14), the pumps (15, 16). 50 Dispositif suivant la revendication 1 se earactérisant par le fait que suivant une variante d'exécution, la turbine entrain un moteur électrique, un compresseur centrifuge à vitesse constante, montée dans l'admission des gas frais du moteur0 50 Device according to claim 1 earactérisant in that according to an alternative embodiment, the turbine drives an electric motor, a centrifugal compressor at constant speed, mounted in the intake of fresh gas from the engine0
FR8007902A 1980-04-04 1980-04-04 Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment Withdrawn FR2479896A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8007902A FR2479896A1 (en) 1980-04-04 1980-04-04 Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8007902A FR2479896A1 (en) 1980-04-04 1980-04-04 Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment

Publications (1)

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FR2479896A1 true FR2479896A1 (en) 1981-10-09

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FR8007902A Withdrawn FR2479896A1 (en) 1980-04-04 1980-04-04 Exhaust turbine driven generator for IC engine - recovers energy from exhaust gases to drive a generator which supplies vehicles electric equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2483517A1 (en) * 1980-05-30 1981-12-04 Fiat Spa MOTOR VEHICLE PROVIDED WITH AN EXHAUST GAS ENERGY CONVERSION DEVICE INTO ELECTRICITY
WO1999001649A1 (en) * 1997-07-03 1999-01-14 Volker Deppe Method for improving the overall efficiency of a hybrid drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2483517A1 (en) * 1980-05-30 1981-12-04 Fiat Spa MOTOR VEHICLE PROVIDED WITH AN EXHAUST GAS ENERGY CONVERSION DEVICE INTO ELECTRICITY
WO1999001649A1 (en) * 1997-07-03 1999-01-14 Volker Deppe Method for improving the overall efficiency of a hybrid drive

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