DEVICE Of FUEL INJECTION ASSISTS BY EXHAUST FUMES POURMOTEUR HAS COMBUSTION INTERNAL

BUCKLE EGR Of an INTERNAL COMBUSTION ENGINE Of a MOTOR VEHICLE

Boucle EGR d'un moteur à combustion interne d'un véhicule automobile, dans laquelle : - le débit de l'air frais dans la voie d'arrivée de l'air (2) de la vanne EGR (1) étant maximum, - on ouvre progressivement la voie des gaz EGR (3) dans la vanne et, - avant que le débit des gaz EGR dans la vanne n'augmente plus, - on ferme progressivement la voie (2) d'arrivée de l'air frais pour continuer de faire croître le débit des gaz EGR, suivant une courbe monotone croissante.

Internal combustion engine e.g. diesel engine, has valve with shutters displaced by single actuator, where one shutter is displaced to regulate flow of recirculation gas circulating in duct

La présente invention concerne un moteur à combustion interne (10) qui comprend d'une part, en aval d'une chambre de combustion (11), une ligne d'échappement (20) qui se divise en deux conduites dans lesquelles circulent deux flux de gaz brûlés, à savoir une conduite d'échappement (21) débouchant vers l'extérieur et une conduite de recirculation basse pression (22) raccordée à une ligne d'admission d'air (23) située en amont de la chambre de combustion, et d'autre part, des moyens de régulation (60) pour obstruer ladite conduite d'échappement et pour réguler le débit du flux de gaz brûlés circulant dans la conduite de recirculation basse pression. Selon l'invention, lesdits moyens de régulation comprennent une vanne à deux volets déplaçables par un seul actionneur, chaque volet étant disposé dans une des conduites d'échappement et de recirculation.

BYPASS VALVE FOR AN INTERNAL COMBUSTION ENGINE EXHAUST GAS COOLING DEVICE

The invention concerns a bypass valve (9) comprising a body (10) defining a chamber (11) provided with an inlet (12) and two mutually adjacent outlets (13, 14), a sealing member (15) mounted on a pivot pin (16) extending between the two adjacent outlets to pivot between two extreme positions under the action of control means, means for positioning (26) the bypass valve of an internal combustion engine exhaust gas cooling device (1) such that the bypass valve outlets are connected, one to a cooled gas flow channel (2) and the other to a non-cooled gas flow channel (6). The invention is characterized in that the sealing member has at least one blade (15a, 15b) extending from the pivot pin and the positioning means are arranged such that, in at least one of the extreme positions of the sealing member, the blade is pressed against part of the cooling device to block the corresponding flow channel of the cooling device.

Method and system for binary flow turbine control

Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.

AUXILIARY FUEL INJECTION DEVICE FOR EXHAUST GAS OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To provide an auxiliary fuel injection device for the exhaust gas of an internal combustion engine capable of suppressing generation of NOx by recirculating part of the exhaust gas to the combustion chamber. SOLUTION: The auxiliary fuel injection device for the exhaust gas of the internal combustion engine is equipped with a fuel injector 20 installed at an intake port 12 for supplying fuel into a combustion chamber of the engine 10, an EGR line 30 installed between one side of the exhaust manifold 14 of the engine 10 and the injector 20 for promoting atomization and vaporization of the injected fuel which is embodies by introducing such a structure that the fuel injected from the injector 20 is surrounded by part of the exhaust gas exhausted from the engine 10, an exhaust gas injection device (or an EGR valve) 40 installed on one side of the EGR line 30 so as to connect and shut off the exhaust gas, and a control part 50 to open and close the exhaust gas injection ...

Exhaust gas fraction recycling device for e.g. oil engine, has exhaust gas intake duct emerging at intake point, and integrated to structure of compressor to form even and unique block with compressor, outer gas intake duct and outlet duct

La présente invention concerne un dispositif recyclage d'une fraction des gaz d'échappement d'un moteur à combustion, le dispositif comprenant un premier conduit d'admission de gaz externes dans le compresseur et un conduit de sortie vers le moteur des gaz comprimés par le compresseur, caractérisé en ce que le dispositif comprend également un second conduit d'admission d'une fraction de gaz d'échappement du moteur récupérée, ce second conduit d'admission étant disposé de façon à déboucher au niveau du point d'admission des gaz externes dans le compresseur du moteur, de façon à mélanger les gaz récupérés avec les gaz externe admis dans le compresseur, le second conduit d'admission étant intégré à la structure du compresseur pour former un même et unique bloc avec le compresseur, le premier conduit d'admission de gaz externes dans le compresseur et le conduit de sortie vers le moteur des gaz comprimés par le compresseur.

CIRCUIT Of EXHAUST OF MOTOR VEHICLE

L'invention propose un circuit (10) d'échappement de véhicule automobile comportant au moins un organe (12) de dépollution, notamment un catalyseur ou un filtre à particules, comportant un première sortie (16) reliée à une ligne d'échappement d'un véhicule associé et une seconde sortie (18) destinée à prélever des gaz d'échappements en vue de leur recyclage, ladite seconde sortie (18) étant reliée à un conduit d'entrée (22) d'un échangeur (24) de refroidissement des gaz d'échappement dont un conduit (26) de sortie est relié à un boîtier (28) recevant une vanne de régulation des gaz d'échappement, caractérisé en ce que le boîtier (28) de la vanne de régulation comporte une semelle (34) destinée à être fixée à une semelle (32) d'extrémité du conduit (26) de sortie de l'échangeur (24) et en ce que ledit boîtier (28) est fixé directement sur un corps (40) de l'échangeur (24).

INSTALLATION FOR the COOLING OF EXHAUST FUMES RECIRCULATE OF INTERNAL COMBUSTION ENGINE AND OF the VALVE OF CONTROL OF the CIRCULATION OF THESE GASES.

FUEL INJECTION DEVICE ASSISTS EXHAUST GAS TURBOCHARGER FOR AN INTERNAL COMBUSTION ENGINE

Ce dispositif d'injection de carburant pour moteur à combustion interne introduit des gaz d'échappement dans le carburant injecté. Une partie des gaz d'échappement chauds est introduite devant l'orifice de sortie de l'injecteur de carburant, ce qui permet aux gaz d'échappement chauds de favoriser la formation de particules fines et la vaporisation du carburant, améliorant de ce fait l'efficacité du carburant. On peut faire circuler une partie des gaz d'échappement dans la chambre de combustion pour limiter la production d'oxydes d'azote. De même, les gaz d'échappement réintroduits dans la chambre de combustion via la ligne RGE sont refroidis par la chaleur de vaporisation du carburant injecté par l'injecteur de carburant, ce qui libère avantageusement de l'installation d'un système de refroidissement supplémentaire pour refroidir les gaz d'échappement que l'on fait recirculer dans la chambre de combustion.

TURBOCHARGER WITH INTEGRATED EXHAUST GAS RECIRCULATION VALVE

An Exhaust Gas Recirculation (EGR) valve is integrated into a turbocharger (16) by providing an EGR outlet (54) in a flange (56) in the volute (52) of the turbine housing (18) and a mating valve assembly (34) extending from a mating flange (71) with an elbow (72). The outlet direction of the elbow is adjustable to a plurality of directions by positioning the mating flange relative to the EGR outlet flange.

Arrangement of fuel pump and EGR valve unit in an in-cylinder injection engine

PROCESS OF ORDERING Of a CIRCUIT EGR Of an ENGINE OF MOTOR VEHICLE, WINNOWS FOR the PLACEMENT OF the PROCESS AND ENGINE WITH the VALVE.

L'invention concerne un procédé de commande d'un circuit (2c) de recirculation des gaz d'échappement d'un moteur (M) à combustion interne de véhicule automobile, le moteur (M) étant relié à un circuit d'admission d'air (2a) et à un circuit d'échappement de gaz (2b) relié au circuit d'admission d'air (2a) par le circuit de recirculation (2c), une première vanne (15) régulant le débit d'air en amont du circuit de recirculation (2c) et une seconde vanne (16) régulant le débit de gaz d'échappement recirculés dans le circuit de recirculation (2c). Dans le procédé de l'invention, la recirculation des gaz d'échappement est commandée notamment par mesure d'une différence de pression aux bornes de la seconde vanne (16), le procédé comportant les étapes suivantes : a) on ferme la première et la seconde vanne (15, 16), la première vanne (15) étant agencée pour autoriser en position fermée le passage d'un courant de fuite d'air, b) on ouvre concomitamment la première et la seconde vanne (15, 16) de ...

VALVE OF BY-PASS FOR GAS COOLING DEVICE Of an INTERNAL COMBUSTION ENGINE

Valve de by-pass (9) comprenant un corps (10) définissant une chambre (11) avec une entrée (12) et deux sorties (13, 14) obturables sélectivement par un volet pivotant (15), cette valve de by-pass étant destinée à un dispositif (1) de refroidissement des gaz d'échappement d'un moteur à combustion interne avec deux voies de circulation des gaz (une voie directe (6) non refroidie et une voie (2) de refroidissement des gaz) raccordées aux deux sorties; les deux sorties (13, 14) sont coplanaires et adjacentes; le volet pivotant (15) est supporté sur le corps (10) par un axe de pivotement (16) situé entre les deux sorties adjacentes et il comprend deux palettes (15a, 15b) planes disposées en V de part et d'autre de l'axe de manière que, dans les positions extrêmes du volet, les deux palettes occultent sélectivement les deux sorties.

PROCESS AND DEVICE OF REGULATION Of a CIRCULATING GAS FLOW CIRCULANTDANS a LINE OF RECIRCULATION Of an INTERNAL COMBUSTION ENGINE

La présente invention concerne un procédé de régulation d'un flux de gaz de recirculation circulant dans une ligne de recirculation d'un moteur à combustion interne, la ligne de recirculation comprenant, entre une partie amont (58) et une partie aval (59), des moyens de refroidissement ( 70) du flux de gaz de recirculation et des moyens de court-circuitage (80) adaptés à prendre deux états, dont un état activé dans lequel le flux de gaz de recirculation passe directement de la partie amont à la partie aval, et un état désactivé dans lequel le flux de gaz de recirculation passe par les moyens de refroidissement. Selon l'invention, le procédé comporte les étapes de détection d'au moins une valeur caractéristique du niveau de sollicitation du moteur à combustion interne, de comparaison de ladite valeur caractéristique avec une valeur seuil, et d'activation ou de désactivation des moyens de court-circuitage selon le résultat de la comparaison.

PART Of INTERFACE ENTERS a CYLINDER HEAD Of an ENGINE OF MOTOR VEHICLE AND an EXCHANGER OF HEAT.

L'invention concerne une pièce d'interface (10) entre une culasse d'un moteur de véhicule automobile et un échangeur de chaleur (12), la pièce d'interface (10) comportant une première ouverture pour le passage d'un premier gaz. Selon l'invention, la première ouverture présente un profil apte à coopérer avec un élément d'une vanne comportant une partie mobile (52) de la vanne (50) en vue de l'obturation au moins partielle de la première ouverture par la partie mobile (52). L'invention concerne aussi un ensemble d'une telle pièce d'interface et d'une vanne, et un module d'alimentation en gaz d'un moteur comportant un tel ensemble. Application notamment au domaine automobile.

SYSTEM OF MOTORIZATION FOR VEHICLE

Ce système de motorisation pour véhicule automobile, du type comportant un moteur à combustion interne (1) muni de moyens d'admission de gaz (2) en entrée et de moyens d'échappement de gaz (3) en sortie, et des moyens d'accumulation de gaz sous pression (4) associés à des moyens de commande (5) de leur charge/décharge adaptés pour mettre en oeuvre une phase de charge de ceux-ci, pendant laquelle l'alimentation en carburant d'au moins certains cylindres du moteur (1) est coupée pour faire fonctionner le ou chaque cylindre dont l'alimentation est coupée, en compresseur, et une phase de décharge de ceux-ci, au cours de laquelle le gaz est utilisé pour améliorer les performances du moteur, est caractérisé en ce que les moyens d'accumulation de gaz sous pression (4) comportent une sortie de gaz (13) raccordée à travers des moyens formant vanne (14) pilotable par les moyens de commande (5), à un turbocompresseur (15) associé au moteur (1), pour injecter du gaz dans celui-ci.

Control valve assembly for heat exchange device, has fixation unit i.e. clamp, fixing valve body to heat exchanger, where unit is made of thermal conductive material and arranged for forming thermal bridge between body and exchanger

L'invention concerne une vanne de régulation (2) pour échangeur thermique (1), comportant un corps de vanne (21) pourvu de moyens de sa fixation (30) à l'échangeur thermique et un clapet (26) monté mobile dans le corps en regard d'un siège (25) formé dans un conduit (24) délimité par le corps de vanne, les moyens de fixation étant thermiquement conducteurs et sont agencés pour former un pont thermique entre le corps de vanne et l'échangeur. L'invention a également pour objet un dispositif d'échange thermique.

INSTALLATION FOR the COOLING OF EXHAUST FUMES RECIRCULATE OF INTERNAL COMBUSTION ENGINE AND OF the VALVE OF CONTROL OF the CIRCULATION OF THESE GASES.

La présente invention concerne une installation pour le refroidissement de gaz d'échappement recirculés de moteur à combustion interne, notamment de type Diesel, comportant un circuit de circulation (12) d'un fluide de refroidissement et un circuit de circulation de gaz d'échappement recirculés (14) comportant un refroidisseur de gaz (46) avec un espace interne libre (118) parcouru par le fluide de refroidissement et une vanne de contrôle (48) de la circulation des gaz dans ledit circuit. Selon l'invention, l'installation comprend des moyens de refroidissement de ladite vanne.

EXHAUST GAS TURBO CHARGER ASSEMBLY, WHICH REDUCES THE ENERGY COST COMPRESSING EXHAUST GAS, A POWER TRAIN WITH THE ASSEMBLY AND A DESIGNING METHOD OF THE POWER TRAIN

PURPOSE: An exhaust gas turbo charger assembly and a power train with the assembly and a designing method of the power train are provided to reduce the energy cost compressing the exhaust gas by partially discharging the exhaust gas of a compressor. CONSTITUTION: An exhaust gas turbo charger assembly comprises an exhaust gas turbo charger assembly, an exhaust steam turbine, a compressor(26), an exhaust gas turbo charger and an exhaust gas recirculation device. The exhaust gas turbo charger assembly is communicated with the exhaust gas outlet, and the air injection hole. The exhaust gas turbo charger assembly is rotated with the exhaust steam turbine. An inlet port and an outlet port are connected to an exhaust gas line and a retroaction air line, respectively. The exhaust gas recirculation device makes the exhaust gas with the outlet at the location in which the exhaust gas flows. The exhaust gas recirculation device guides the exhaust gas to the retroaction air line. COPYRIGHT KIPO 2011 ...

DEVICE FOR CONTROLLING AN EXHAUST VALVE OF AN INTERNAL COMBUSTION ENGINE

Flow rate control apparatus in exhaust gas recirculation system

A sonic nozzle is formed in a recirculation passage interconnecting the exhaust line to the induction passage of an internal combustion engine and a valve member is arranged to vary the throat area of the nozzle, while the induction passage has a similar combination of sonic nozzle and a valve member. The control apparatus has a valve actuating mechanism arranged to link the respective valve members in the sonic nozzles with a common element which is necessarily moved when a change in the engine speed is intended, so that the throat area in the recirculation passage is varied always in direct relation to the throat area in the induction passage.

Exhaust gas re-circulation device for an internal combustion engine

An exhaust gas re-circulation device for an internal combustion engine comprises an intake air channel (2), an intake air control valve (18), an exhaust gas re-circulation valve (12) and an actuator (22), a first motion transmission mechanism between the actuator (22) and the exhaust gas re-circulation valve (12) and a second motion transmission mechanism between the actuator (22) and the intake air control valve (18). A first uncoupling means (26) is included in the first motion transmission mechanism and a first pull-back spring (34) biases the exhaust gas re-circulation valve (12) in a closed position. The device enables to control exhaust gas re-circulation rates by simultaneously driving the two valves in opposite senses and to obtain a smooth engine shut-off, by simultaneously closing the two valves. In a preferred embodiment, with a second uncoupling means (50) in the second motion transmission mechanism and a second pull-back spring (52) biasing the intake air control valve (18) ...

DEVICE Of ACCELERATION Of a GROUP OF TURBOCOMPRESSION TO the LOW MODES Of ALTERNATE AND DRIVING UNMOTEUR ALTERNATE COMPRISING SUCH a DEVICE

L'invention concerne un dispositif d'accélération d'un groupe de turbocompression (10) aux bas régimes d'un moteur alternatif (1) fonctionnant selon un cycle à quatre temps et comprenant au moins un cylindre (1a) muni d'au moins une soupape d'admission (2) reliée à un collecteur d'admission (3) et d'au moins une soupape d'échappement (4) reliée à un collecteur d'échappement (5), ledit groupe de turbocompression comportant un compresseur d'air (11) alimentant le collecteur d'admission (3) et une turbine radiale (12) alimentée par le collecteur d'échappement (5) et entraînant le compresseur (11). Le dispositif comporte un éjecteur aérodynamique (20) prélevant un flux propulseur sur les gaz d'échappement du moteur (1) et un flux entraîné sur l'air délivré par le compresseur (11) et formant un flux mélangé qui alimente la turbine (12) du groupe de turbocompression (10).

VALVE OF BY-PASS FOR GAS COOLING DEVICE Of an ENGINE has COMBUSTIONINTERNE

Recirculated gas distribution device for e.g. exhaust gas recirculation gas cooler, has rotating cylindrical part provided between two planes for permitting circulation of gas in one direction and in reverse direction

Dispositif de répartition de gaz d'échappement d'un moteur de véhicule automobile vers un composant (2), caractérisé en ce qu'il définit un orifice d'entrée (e1) et un orifice de sortie (s1) de gaz débouchant sur un même premier plan, un orifice d'entrée (e2) et un orifice de sortie (s2) vers le composant (2) débouchant sur un même deuxième plan parallèle au premier plan, et des moyens rotatifs, disposés entre les premier et deuxième plans, pour permettre une circulation de gaz dans un sens, et dans le sens inverse. L'invention concerne également un refroidisseur comporte un tel dispositif.

MOTOR VEHICLE INTERNAL COMBUSTION ENGINE EGR LOOP

VEHICLE COMPRISING AN EXHAUST GAS RECIRCULATION SYSTEM

The invention relates to a vehicle with an engine (1), especially a diesel engine, which comprises the following elements: an intake tract (2), via which air is supplied to the engine (1), an exhaust gas tract (3), via which exhaust gas emitted by the diesel engine (1) is discharged towards an exhaust gas tail pipe and through the exhaust gas tail pipe to the environment, a branch-off valve (8), disposed in the exhaust gas tract (3) and having an inlet (10), a first outlet (11), connected to the exhaust gas tail pipe, and a second outlet (12), connected to the intake tract. The branch-off valve (8) has a first (13) and a second flap (14) that are kinematically interconnected. The first flap (13) is provided for at least partially closing the first outlet (11) and the second flap (14) is provided for at least partially closing the second outlet (12).

DEVICE FOR ACCELERATING A TURBOCHARGING UNIT AT LOW SPEEDS OF A RECIPROCATING ENGINE AND RECIPROCATING ENGINE COMPRISING SAME

The invention concerns a device for accelerating a turbocharging unit at low speeds of a reciprocating engine (1) operating in accordance with a four-stroke cycle and comprising at least one cylinder (1a) equipped with at least one intake valve (2) connected to an intake manifold (3) and with at least one exhaust valve (4) connected to an exhaust manifold (5), said turbocharging unit comprising at least one turbocharger (10) including an air compressor (11) feeding the intake manifold (3) and a radial turbine (12) fed by the exhaust manifold (5) and driving the compressor (11). The device comprises an aerodynamic ejector (20) drawing a propellant stream on the exhaust gases of the engine (1) and a stream driven on the air delivered by the compressor (11) and forming a mixed stream which feeds the turbine (12) of the turbocharging unit.

EXHAUST GAS HEAT EXCHANGER, ESPECIALLY FOR MOTOR VEHICLES

TURBOCHARGER WITH INTEGRATED EXHAUST GAS RECIRCULATION VALVE

An Exhaust Gas Recirculation (EGR) valve is integrated into a turbocharger (16) by providing an EGR outlet (54) in a flange (56) in the volute (52) of the turbine housing (18) and a mating valve assembly (34) extending from a mating flange (71) with an elbow (72). The outlet direction of the elbow is adjustable to a plurality of directions by positioning the mating flange relative to the EGR outlet flange.

Valve assembly for heat engine of motor vehicle, has seat forming surfaces, and flap pivoted between connection position, in which pipe is connected to exchanger, and branching position, in which pipe is not connected to exchanger

L'invention concerne un ensemble de vanne, comprenant un corps (21) délimitant au moins un premier conduit et un clapet (26) monté dans le corps et mobile en regard d'un siège (25) formé dans le premier conduit, caractérisé en ce qu'une bride (30) de liaison à un échangeur (1) thermique est fixée sur le corps, un volet (33) étant monté dans la bride pour pivoter entre une position de raccordement du premier conduit à l'échangeur et une position de dérivation dans laquelle le premier conduit n'est pas raccordé à l'échangeur. L'invention a également pour objet un dispositif d'échange thermique comportant une telle vanne.

SYSTEM OF MOTORIZATION FOR VEHICLE

MULTIPURPOSE MODULE FOR INTERNAL COMBUSTION ENGINE

INTERFACE PART BETWEEN A MOTOR VEHICLE ENGINE HEAD AND A HEAT EXCHANGER

EXHAUST GAS ASSISTED FUEL INJECTION SYSTEM OF INTERNAL COMBUSTION ENGINE

PURPOSE: An exhaust gas assisted fuel injection system of an internal combustion engine is provided to restrict the generation of NOx by recirculating a portion of exhaust gas to a combustion chamber while improving the fuel efficiency. CONSTITUTION: An exhaust gas assisted fuel injection system of an internal combustion engine comprises a fuel injector(20) installed to an intake port(12) to supply fuel to a combustion chamber of an engine(10), an EGR(Exhaust Gas Recirculation) line(30) arranged between a side of an exhaust manifold(14) and the fuel injector to promote the atomization and the evaporation of injected fuel by enclosing fuel injected from the fuel injector with a portion of exhaust gas exhausted from the engine, an exhaust gas injection device(or EGR valve)(40) installed to a side of the EGR line to control the exhaust gas, and a control unit(50) opening or closing the exhaust gas injection device(or EGR valve) according to the operation condition of the engine. © KIPO 2003 ...

REGULATOR VALVE CONNECTED TO AN EXCHANGER BY MEANS OF A THERMAL BRIDGE AND CORRESPONDING HEAT EXCHANGER DEVICE

The invention relates to a regulator valve (2) for a heat exchanger (1), comprising a valve body (21), provided with means (30) for mounting the same on the heat exchanger and a valve (26) movably mounted in the body facing a seat (25) formed in a channel (24) defined by the valve body, said mounting means being thermally conducting and designed to form a thermal bridge between the valve body and the exchanger. The invention further relates to a heat exchange device.

VALVE

The invention relates to a valve for controlling two gas flows, having: two ducts (7, 11), in each of which a flap (12) rotatably mounted on a shaft (5, 13) is arranged; an electric motor (3) that drives a shaft (5) via a gear unit (4); and a transmission mechanism (18-20) which, depending on the movement direction of the first flap, drives the second flap (12). Each flap (12) is arranged in a separate housing part (1, 10) and the two housing parts (1, 10) are connected to one another.

Exhaust gas flow reintroduction controlling valve for internal combustion engine, has mixing chamber with outlet opening that is closed/opened by closing unit, and inlets controlled by stopping unit moving between open and closed positions

Soupape pour commander des flux de gaz (16, 17) d'échappement d'un moteur à combustion interne (30) qui arrivent aux entrées (8, 9) d'un corps de soupape (1) formant une chambre de mélange (2). L'orifice de sortie (7) de la chambre de mélange (2) peut être fermé ou libéré par une surface (3) mobile entre une position d'ouverture (19) et une position de fermeture (15) commandées par un actionneur (5, 6). Le corps (1) comporte des entrées (8, 9) commandées en ouverture par un élément d'arrêt (10).

Heat exchanger for exhaust gas recirculation circuit of heat engine of motor vehicle, has definition units of fluid circuit placed on ends of cover, and body including extruded part integrated into central partitions defining channels

Echangeur thermique comprenant un corps (3) extrudé comportant une enveloppe (4) tubulaire ayant des extrémités (4.1, 4.2) ouvertes et des cloisons (5, 9) internes s'étendant parallèlement depuis une extrémité de l'enveloppe à l'autre en délimitant des canaux (7, 10) débouchant et en ce que sur les extrémités du corps sont rapportés des organes de définition (2, 13, 11, 12) de circuits de fluide indépendants dans le corps, le corps comportant au moins une partie extrudée intégrant au moins certaines des cloisons définissant une pluralité des canaux.

HEAT EXCHANGER COMPRISING A BODY EXTRUDES

EGR VALVE INTEGRATED BYPASS VALVE CAPABLE OF EASILY OBTAINING THE SPACE OF AN ENGINE ROOM IN A VEHICLE DESIGN PROCESS

PURPOSE: An EGR(Exhaust Gas Recirculation) valve integrated bypass valve is provided to efficiently reduce the nitric oxide by cooling exhaustion gas flowing into a EGR cooler. CONSTITUTION: An EGR valve integrated bypass valve includes an inhalation hole, a first exhaust pipe, a second exhaust pipe, a gas transfer furnace, an EGR valve mounting unit, an EGR valve(120), and a flap. The inhalation hole is formed in one side of a valve housing(110). The first exhaust pipe is formed in the other side of the valve housing and is connected to a cooling channel of the EGR cooler. The second exhaust pipe is contiguous to the first exhaust pipe and is connected to the bypass channel of the EGR cooler. The gas transfer furnace is formed inside the valve housing. The EGR valve is combined through the EGR valve mounting unit. A part of the EGR valve is located in the inhalation hole of the gas transfer furnace and inhales or secludes the exhaust gas. The flap is installed in a branch point and selectively ...

INTERNAL COMBUSTION ENGINE HAVING AN EXHAUST GAS TURBOCHARGER AND AN EXHAUST GAS RECIRCULATION SYSTEM

A supercharged internal combustion engine having an exhaust gas recirculation system comprises an exhaust gas turbine with two separate flow passages of different cross-sections of flow, mounted upstream the turbine wheel, every flow passage being linked with a respective exhaust line for supply with exhaust gas. The engine also comprises a bypass line bypassing the exhaust gas turbine. A common adjusting element is mounted in the return line of the exhaust gas recirculation system and in the bypass line.

MULTIWAY VALVE

The invention concerns a bypass valve (9) comprising a body (10) defining a chamber (11) provided with an inlet (12) and two mutually adjacent outlets (13, 14), a sealing member (15) mounted on a pivot pin (16) extending between the two adjacent outlets to pivot between two extreme positions under the action of control means, means for positioning (26) the bypass valve of an internal combustion engine exhaust gas cooling device (1) such that the bypass valve outlets are connected, one to a cooled gas flow channel (2) and the other to a non-cooled gas flow channel (6). The invention is characterized in that the sealing member has at least one blade (15a, 15b) extending from the pivot pin and the positioning means are arranged such that, in at least one of the extreme positions of the sealing member, the blade is pressed against part of the cooling device to block the corresponding flow channel of the cooling device.

BYPASS VALVE FOR AN INTERNAL COMBUSTION ENGINE EXHAUST GAS COOLING DEVICE

The invention concerns a bypass valve (9) comprising a body (10) defining a chamber (11) provided with an inlet (12) and two mutually adjacent outlets (13, 14), a sealing member (15) mounted on a pivot pin (16) extending between the two adjacent outlets to pivot between two extreme positions under the action of control means, means for positioning (26) the bypass valve of an internal combustion engine exhaust gas cooling device (1) such that the bypass valve outlets are connected, one to a cooled gas flow channel (2) and the other to a non-cooled gas flow channel (6). The invention is characterized in that the sealing member has at least one blade (15a, 15b) extending from the pivot pin and the positioning means are arranged such that, in at least one of the extreme positions of the sealing member, the blade is pressed against part of the cooling device to block the corresponding flow channel of the cooling device.

DEVICE Of ACCELERATION Of a GROUP OF TURBOCOMPRESSION TO the LOW MODES Of an ALTERNATE AND DRIVING ENGINE ALTERNATE COMPRISING SUCH a DEVICE

Three-way control valve for comburent intake system of exhaust gas recirculation internal combustion engine in vehicle, has closing unit that is driven with temporal phase shift relative to driving of another closing unit by driving part

Vanne trois voies destinée à être utilisée dans une conduite d'admission d'un moteur à combustion interne avec recirculation des gaz d'échappement comprenant, au moins deux moyens de fermeture disposés respectivement dans deux voies (1, 2) de la vanne (10, 20), un premier moyen de fermeture étant agencé pour entraîner le deuxième moyen de fermeture dans l'une des positions d'obturation et d'ouverture, le premier moyen de fermeture étant entraîné dans l'une des positions d'obturation et d'ouverture par un organe d'entraînement. Le deuxième moyen de fermeture est entraîné avec un déphasage temporel par rapport à l'entraînement du premier moyen de fermeture.

DEVICE Of HEAT TRANSFER FOR EXHAUST FUMES

Module de recirculation EGR 7 comprenant un réservoir 13, un dispositif de refroidissement de gaz de recirculation EGR 14 agencé du côté aval de l'écoulement du gaz d'échappement à l'intérieur du réservoir 13, un contournement (15) agencé en parallèle avec le dispositif de refroidissement de gaz de recirculation EGR 14 et une vanne de régulation de débit de gaz d'échappement 18 agencée du côté aval de l'écoulement de gaz d'échappement du dispositif de refroidissement de gaz de recirculation EGR 14 et du contournement 15, où l'orifice d'entrée 13a est agencé à une position du réservoir 13 à laquelle au moins une surface d'une partie de l'orifice d'entrée 13a qui fait face au contournement 15 est plus grande qu'une surface d'une partie de l'orifice d'entrée 13a qui fait face au dispositif de refroidissement de gaz de recirculation EGR 14.

Diesel engine exhaust gas recirculation and intake air flow control system

In a diesel engine which includes an air intake system, an exhaust system, and an exhaust gas recirculation passage which recirculates part of the exhaust gases produced by the engine from the exhaust system to the air intake system, a control system for the recirculation of exhaust gases and the flow of intake air, having an intake air flow control valve mounted in the air intake passage, and a recirculated exhaust gas flow control valve, mounted in the exhaust gas recirculation passage, these two control valves being so coupled together that, as one of them opens progressively, the other closes progressively, and vice versa, so that exhaust gas recirculation ratio alters in substantially direct proportion to the amount of opening of the exhaust gas recirculation flow control valve.

Method of detecting a fault of an exhaust gas recirculation system

A method of detecting a fault of an exhaust gas recirculation system of an internal combustion engine, comprising detecting a temperature relating to a temperature of a gas recirculating through the exhaust gas recirculation system when the system is in a condition in which the system should be operated to return part of an exhaust gas of the engine to an intake passage, and detecting that the exhaust gas recirculation system is defective when the detected temperature is lower than a fault discriminating value. A condition of air to be sucked into the engine, such as intake air temperature and atmospheric pressure, is detected, and the fault discriminating value is set in accordance with the detected air condition, whereby abnormality or fault of the exhaust gas recirculation system can be detected accurately and reliably. Preferably, the fault detection is inhibited until the engine temperature reaches a predetermined value and/or a predetermined time period elapses after the start-up ...

DEVICE FOR DISTRIBUTING RECIRCULATED GASES AND RECIRCULATED GAS-COOLING DEVICE COMPRISING ONE SUCH DEVICE

BUCKLE EGR Of an INTERNAL COMBUSTION ENGINE Of a MOTOR VEHICLE

INTERNAL COMBUSTION ENGINE WITH A VALVE SYSTEM FOR REGULATING THE RATE OF RECIRCULATED GAS IN THE MIXTURE INTAKE, AND THE MOTOR VEHICLE COMPRISING SUCH A MOTOR

BYPASS VALVE HAVING EGR VALVE

A bypass valve having an EGR valve in which the bypass valve and the EGR valve are assembled into a module is provided. The bypass valve having an EGR valve includes: an intake port formed in a side surface of a valve housing; a first exhaust port formed in another side surface of the valve housing and connected to a cooling flow channel of an EGR cooler; a second exhaust port formed adjacent to the first exhaust port and connected to a bypass flow channel of the EGR cooler; a gas transfer channel formed in the valve housing and having a junction section formed in the middle thereof so as to connect the intake port to the first and second exhaust ports; an EGR valve coupling section formed in the top surface of the valve housing close to the intake port; the EGR valve coupled to the EGR valve coupling section and partially located at a position of the gas transfer channel close to the intake port so as to pass or intercept exhaust gas; and a flap swingably disposed in the junction section ...

EXHAUST GAS-RECIRCULATION VALVE

The invention concerns a valve (19) for recirculating exhaust gases from an engine, the valve (19) comprising a body (43) which defines: a main duct (45) designed to be connected to the outlet of at least one engine cylinder and to a gas-recirculating duct; and an auxiliary duct (50) which opens out into the main duct (45). The valve (19) further comprises means for orienting the exhaust gases from the at least one cylinder, which means are configured, in one position, to allow full recirculation by preventing communication between the main duct (45) and the auxiliary duct (50), and, in a second position, to allow closure of the main duct (45) so as to place the latter in communication with the auxiliary duct (50).

VALVE FOR REGULATING AN EXHAUST GAS FLOW OF AN INTERNAL COMBUSTION ENGINE, HEAT EXCHANGER FOR EXHAUST GAS COOLING, SYSTEM HAVING AT LEAST ONE VALVE AND HAVING AT LEAST ONE HEAT EXCHANGER

TURBOCHARGER WITH INTEGRAL TURBINE EXHAUST GAS RECIRCULATION CONTROL VALVE AND EXHAUST GAS BYPASS VALVE

PART Of INTERFACE ENTERS a CYLINDER HEAD Of an ENGINE OF MOTOR VEHICLE AND an EXCHANGER OF HEAT.

MULTIPURPOSE MODULE FOR INTERNAL COMBUSTION ENGINE

La présente invention a pour objet un module multifonctionnel (1) pour moteur à combustion interne, formant un ensemble structurel et intégrant les fonctions de refroidissement des gaz d'échappement, de régulation de la réinjection des gaz d'échappement et de régulation, au moins partielle, des flux de circulation dans le circuit de refroidissement dudit moteur, ledit ensemble structurel étant réalisé sous la forme d'une unité constructive et fonctionnelle (1) destinée à être montée sur le bloc-moteur et intégrant, d'une part, une partie au moins d'un circuit de recirculation des gaz d'échappement et un échangeur thermique (2) pour le refroidissement desdits gaz, et, d'autre part, une partie au moins du circuit de refroidissement du moteur, avec au moins le boîtier de sortie d'eau (3). Module multifonctionnel caractérisé en ce que l'échangeur thermique (2) présente une cuve (6) disposée au niveau d'une extrémité de l'unité constructive et fonctionnelle (1) et réalisée en une matière synthétique ...

Motor vehicle i.c. engine exhaust gas recirculation system has flow breaker baffle in entry zone of inlet manifold

Ce système de recirculation de gaz d'échappement pour moteur à combustion interne de véhicule comprend un conduit (24) de recirculation de gaz d'échappement s'étendant entre une zone de sortie du collecteur d'échappement du moteur et une zone d'entrée du répartiteur d'admission d'air dans les cylindres du moteur. Il comporte en outre un obstacle (36) formant brise-jet disposé dans la zone d'entrée du répartiteur d'admission, sur le trajet d'un flux de gaz recirculés issu du conduit de recirculation (24).

Heat exchanger for cooling exhaust gas in heat engine, has valve assembly, closing elements and return element arranged such that central channel circulates coolant, and peripheral channels circulate fluid to be thermally treated

Echangeur thermique, comportant un corps (3) délimitant un canal central (7) entouré de canaux périphériques (10) et ayant des extrémités pourvues d'organes de définition de circuits indépendants agencés de telle manière que le canal central permette la circulation d'un fluide caloporteur et les canaux périphériques permettent la circulation d'un fluide à traiter thermiquement.

TURBOCHARGER WITH INTEGRATED EXHAUST GAS RECIRCULATION VALVE

COMBUSTION ENGINE

Described is a multi-cylinder combustion engine having cylinder rows arranged in a V-shape, having a fuel injection system, having exhaust gas recirculation and at least one cover (1) for covering the V-chamber, wherein said cover comprises at least one exhaust gas recirculation cooler (2), at least one reed valve (3), at least one exhaust gas recirculation (EGR) valve (4) and the corresponding media-conducting channels (5).

ARRANGEMENT FOR RECIRCULATING AND COOLING EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE

The invention relates to an arrangement for recirculating and cooling exhaust gas of an internal combustion engine (2), in particular of a diesel engine in a motor vehicle, wherein the internal combustion engine (2) has an exhaust line (3) with an exhaust gas turbine (6) and an intake line (4) with a charge air compressor (8) which is driven by the exhaust gas turbine (6), wherein an extraction point (1 1 ) for branching off an exhaust gas recirculation line (EGR line 5) is arranged downstream of the turbine (6) and a recirculation point (12) for recirculating the EGR line (5) is arranged upstream of the compressor (8), and wherein at least one exhaust gas heat exchanger (13) and an EGR valve (14) are arranged in the EGR line (5). It is proposed according to the invention that a charge air throttle element (17) is arranged in the intake line (4) and that the EGR valve (14), the recirculation point (12) and the throttle element (17) are formed as an integrated component (19).

EGR DEVICE

PROBLEM TO BE SOLVED: To provide an EGR (Exhaust Gas Recirculation) device capable of achieving a high EGR rate without having excessive intake air throttling even in an engine with a turbocharger. SOLUTION: The EGR device extracts a part of exhaust gas 8 from an exhaust manifold of the engine equipped with the turbocharger 2 and recirculates it to an intake pipe. An inside of the exhaust manifold is divided by a partition wall to prevent exhaust gas interference of respective cylinders, and an inside of a turbine scroll 15 of the turbocharger 2 is constructed to be also divided around a whole circumference by a partition wall 16 to connect with outlet passages of the exhaust manifold. The EGR device is constructed so that a cross-sectional area of a flow passage on a side for extracting the recirculation exhaust gas 8 between flow passages A, B divided by the partition wall 16 can be properly decreased by a sliding ring 18 which is coaxially arranged on an outer periphery of a turbine ...

TURBOCHARGER WITH INTEGRATED EXHAUST GAS RECIRCULATION VALVE

SYSTEM OF EXHAUST FUMES RECIRCULATION FOR ENGINE HAS COMBUSTIONINTERNE OF MOTOR VEHICLE

EXHAUST GAS RECYCLING VALVE

La présente invention concerne une vanne de recirculation (19) de gaz d'échappement d'un moteur, ladite vanne (19) comprenant un corps (43) définissant : - un conduit principal (45) destiné à être raccordé d'une part à la sortie d'au moins un cylindre du moteur et d'autre part à un conduit de recirculation des gaz, et -un conduit auxiliaire (50) débouchant dans ledit conduit principal (45), ladite vanne (19) comprenant en outre des moyens d'orientation des gaz d'échappement du au moins un cylindre configurés pour, dans une première position, permettre une pleine recirculation en empêchant la communication entre le conduit principal (45) et le conduit auxiliaire (50), et dans une deuxième position, permettre une obturation du conduit principal (45) de façon à mettre en communication le conduit principal (45) avec le conduit auxiliaire (50).

MULTIFUNCTIONAL MODULE FOR ATTACHING TO AN INTERNAL COMBUSTION ENGINE AND FOR CONDUCTING FLUIDS IN THE FORM OF EXHAUST GAS AND COOLANT, ARRANGEMENT WITH THE MODULE, AND INTERNAL COMBUSTION ENGINE

EGR SYSTEM WITH TURBOCHARGER

PURPOSE: Exhaust gas recirculation (EGR) system with a turbocharger, in which exhaust gas can be surely introduced into an intake pipe by utilizing suction power of a blower in no relation to pressure at an intake port side of an engine at operation of the turbocharger. CONSTITUTION: Inlet parts 8, 8' of an exhaust gas recirculation (EGR) passage 7 are connected to the upstream or downstream side of a turbine 4. An outlet part 9 of the EGR passage 7 is connected to the upstream side of a blower 5. In this way, exhaust gas can be easily introduced into an intake pipe 6 in no relation to pressure between an intake port 12 of an engine 1 and the blower 5. COPYRIGHT: (C)1982,JPO&Japio ...

Vehicle-mounted internal combustion engine

An vehicle-mounted internal combustion engine (1) provided with an EGR line (11) for recirculating exhaust gas, an EGR valve (12) which is arranged in said EGR line (11) and controls an EGR amount, and an EGR controller (41), is constituted so that said EGR controller (41) opens said EGR valve and performs control for scavenging said EGR line (11) at the time of reducing vehicle speed and during idling. With this vehicle-mounted internal combustion engine (1), the sulfuric acid corrosion can be avoided by preventing condensation of moisture in the exhaust gas in the EGR line (11), the EGR valve (12), etc. developed when the internal combustion engine (1) stops running.

EGR/COOLING INTEGRATED MODULE FOR AN IC ENGINE

Exhaust gas recirculation valve for vehicle

HEAT EXCHANGER WITH AN EXTRUDED BODY

The invention relates to a heat exchanger with an extruded body (3), comprising a tubular housing (4) with open ends (4.1, 4.2) and internal walls (5, 9) running parallel from one end of the housing to the other and defining open channels (7, 10). Means (2, 13, 11, 12) for defining independent fluid circuits in the body are fitted to the ends of the body, said body comprising at least one extruded part including at least some of the walls defining a number of channels.

MULTIFUNCTIONAL MODULE FOR ATTACHING TO AN INTERNAL COMBUSTION ENGINE AND FOR CONDUCTING FLUIDS IN THE FORM OF EXHAUST GAS AND COOLANT, ARRANGEMENT WITH THE MODULE, AND INTERNAL COMBUSTION ENGINE

The invention proceeds from a multifunctional module (10) for attaching to an internal combustion engine and for conducting fluids in the form of exhaust gas (5) and coolant (16), having the following: a first line section (1A, 1B) which is designed for a part of the exhaust-gas recirculation system, at least with a feed line (1C) to an exhaust-gas cooler; a second line section (2A, 2B) which is designed for a part of a cooling system, at least with a feed line (2C) to a thermostatic element (TE). According to the concept of the invention, the module (10) also has a first chamber (3) for the arrangement of an exhaust-gas regulating device (EGR valve) for regulating an exhaust-gas flow (5) which returns to the engine (M).

TWO-SHUTTER THREE-WAY VALVE

VALVE FOR REGULATING AN EXHAUST GAS FLOW OF AN INTERNAL COMBUSTION ENGINE, HEAT EXCHANGER FOR EXHAUST GAS COOLING, SYSTEM HAVING AT LEAST ONE VALVE AND HAVING AT LEAST ONE HEAT EXCHANGER

DEVICE FOR ACCELERATING A TURBOCHARGING UNIT AT LOW SPEEDS OF A RECIPROCATING ENGINE AND RECIPROCATING ENGINE COMPRISING SAME

Exhaust system for engine braking

An engine braking system includes a turbocharger having a turbine and a compressor. An exhaust manifold includes a first pipe for channeling a first portion of the engine exhaust and a second pipe for channeling a second portion of the engine exhaust. The first and second pipes are connected to an inlet of the turbine. A cross pipe, as part of an exhaust gas recirculation (EGR) conduit, is open between the first and second pipes and at one end to the remaining portion of the EGR conduit. A valve can be arranged within the cross pipe and ca be operable in a first mode of operation to block flow between the first and second pipes and allow flow between the first pipe and the remaining portion of the EGR conduit and to allow flow between the first and second pipes and the inlet of the turbine. The valve is operable in a second mode of operation to allow flow between the first and second pipes, and to reduce or block flow between the second pipe and the turbine inlet.

INTERFACE PART BETWEEN A MOTOR VEHICLE ENGINE HEAD AND A HEAT EXCHANGER

The invention relates to an interface part (10) between a motor vehicle engine head and a heat exchanger (12), the interface part (10) comprising a first opening for the flow of a first gas. According to the invention, the first opening has a profile capable of engaging with a valve element comprising a movable portion (52) of the valve (50), with a view to at least partially sealing the first opening by means of said movable portion (52). The invention also relates to an assembly of such an interface part and a valve, and to a gas supply module for an engine comprising such an assembly. The invention is applicable, in particular, to the automotive field.

INTERNAL COMBUSTION ENGINE EXHAUST GAS SYSTEM

Un système de gaz d'échappement pour moteur à combustion interne comportant un agencement EGR (4, 13, 14; 16) conçu pour entraîner un premier écoulement de gaz d'échappement, l'écoulement EGR, depuis la sortie (3) du moteur (1) vers l'admission (2) du moteur (1), une conduite (5) de gaz d'échappement étant conçue pour permettre l'écoulement d'un second gaz d'échappement, l'écoulement d'échappement, depuis la sortie (3) du moteur (1), et une unité de récupération d'énergie (6), notamment un turbot, associée à la conduite (5), l'unité (6) étant conçue pour récupérer l'énergie des gaz d'échappement provenant de l'écoulement d'échappement. L'invention est caractérisée en ce que le système comporte un échangeur thermique (15) permettant l'échange thermique entre au moins une partie de l'écoulement EGR et au moins une partie de l'écoulement d'échappement, l'échangeur thermique (15) étant associé à la conduite (5) en un point en aval de l'unité de récupération d'énergie (6).

TWO-SHUTTER THREE-WAY VALVE

Internal combustion engine with a valve system for regulating an exhaust gas recirculation rate and an automotive vehicle comprising such an engine.

Exhaust recirculation system

ARRANGEMENT FOR EXHAUST GAS RECIRCULATION

A device for EGR recirculation in a multi-cylinder turbocharged combustion engine (1) whereby a valve-controlled EGR line (4) runs between the engine's exhaust side (2) and inlet side (3) and a turbine unit (6, 7) is accommodated in a turbine housing (6) into which exhaust gas manifolds lead from the exhaust ducts of the cylinders. The turbine housing (6) incorporates an EGR duct section (10) which is arranged to draw from an exhaust gas flow heading for the turbine (7) and in which an EGR valve (11, 12) is arranged.

INSTALLATION FOR COOLING RECIRCULATED INTERNAL COMBUSTION ENGINE EXHAUST GASES AND CONTROL VALVE FOR THE FLOW OF SAID GASES

The invention relates to an installation for cooling recirculated internal combustion engine exhaust gases, in particular from a diesel engine, comprising a flow circuit (12) for a cooling fluid and a flow circuit for the recirculated exhaust gases (14), comprising a gas cooler (46) with an internal free space (118), through which the cooling fluid flows and a control valve (48) for the gas flow in said circuit. According to the invention, the installation comprises means for cooling said valve.

DEVICE FOR DISTRIBUTING RECIRCULATED GASES AND RECIRCULATED GAS-COOLING DEVICE COMPRISING ONE SUCH DEVICE

The invention relates to a device for distributing the exhaust gas from a motor vehicle engine in the direction of a component (2), which is characterised in that it defines: a gas inlet port (e1) and a gas outlet port (e2) which open onto the same first plane; an inlet port (e2) and an outlet port (s2) to the component (2), which open onto the same second plane which is parallel to the first; and rotary means which are disposed between the first and second planes, in order to enable the gas to flow in one direction and in the opposite direction. The invention also relates to a cooling device comprising one such device.

MOTOR VEHICLE EXHAUST SYSTEM

The invention relates to a motor vehicle exhaust system (10), comprising at least one pollutant-removing member (12), particularly a catalytic converter or a particle filter, comprising a first outlet (16) and connected to an exhaust line of an associated vehicle, and a second outlet (18) for collecting exhaust gases with a view to recycling same, said second outlet (18) being connected to an inlet pipe (22) of an exchanger (24) for cooling exhaust gases, an outlet pipe (26) of which is connected to a housing (28) that receives a valve for controlling exhaust gases, characterized in that the housing (28) of the control valve comprises a sole plate (34) to be attached to an end sole plate (32) of the outlet pipe (26) of the exchanger (24), and in that said housing (28) is attached directly onto a body (40) of the exchanger (24).

INTERNAL COMBUSTION ENGINE HAVING AN EXHAUST GAS TURBOCHARGER AND AN EXHAUST GAS RECIRCULATION SYSTEM

Exhaust gas recirculation valve

An exhaust gas recirculation valve (10) for installation between an air intake and an exhaust of an engine comprising a housing (12) having a first bore (14) for connection with the air intake and a second bore (16) for receiving exhaust gas from the exhaust, the second bore being at an angle to the first bore and opening into the first bore; a valve stem (24) extending from the first bore into the second bore; a valve seat (28) in the second bore at the opening (18) of the second bore into the first bore; a valve head (30) on the valve stem within the second bore and normally in engagement with the valve seat; eccentric drive means (42) rotatably mounted in the first bore and connected to the valve stem; actuating means (34) mounted on the housing and connected to the eccentric drive means, which, on actuation, rotates the eccentric drive means to move the valve stem to disengage the valve head from the valve seat. EGR valve suitable for a diesel engine or other types of engine.

Internal combustion engine having an exhaust gas turbocharge and an exhaust gas recirculation system

In a supercharged internal combustion engine having an intake duct and an exhaust gas recirculation system and comprising an exhaust gas turbine with two separate flow passages of different flow cross-sections arranged upstream of a turbine rotor of the exhaust gas turbine, each flow passage being in communication with a respective engine exhaust line for supplying it with exhaust gas and an exhaust gas recirculation line extending from one of the engine exhaust lines to the engine intake duct, a bypass line bypassing the exhaust gas turbine is provided and a common control element is arranged in the recirculation line of the exhaust gas recirculation system and in the bypass line for controlling the exhaust gas flow from the recirculation line selectively to none or any of the intake duct and the turbine bypass line.

COMBUSTION CONTROL SYSTEM OF COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To prevent pre-ignition when fuel injection is restarted and premixed combustion is carried out after fuel injection is interrupted in a compression ignition internal combustion engine in which premixed combustion and regular combustion are switched corresponding to the operation state of the compression ignition internal combustion engine. SOLUTION: In the compression ignition internal combustion engine, when the compression ignition internal combustion engine is shifted to an acceleration state while fuel injection from a fuel injection valve is interrupted (S103), for a predetermined period of time, an injection timing is determined according to the injection timing when the operation state of the compression ignition internal combustion engine belongs to the range in which regular combustion is carried out. An EGR gas quantity is determined according to the EGR gas quantity when the operation state of the compression ignition internal combustion engine belongs ...

HEAT EXCHANGER WITH CENTRAL CHANNEL FOR A HEAT EXCHANGE FLUID

The invention relates to a heat exchanger, comprising a body (3) defining a central channel (7), surrounded by peripheral channels (10) and having ends provided with means for defining independent circuits arranged such that the central channel permits the circulation of a heat exchange fluid and the peripheral channels permit the circulation of a fluid for thermal treatment.

DEVICE FOR CONTROLLING AN EXHAUST GAS STREAM

The invention relates to a device for controlling an exhaust gas stream, in particular of an internal combustion engine in a passenger vehicle. Said device comprises a housing that can be traversed by exhaust gas (1) and a first displaceable actuating element (5) that is supported on the housing (1). The exhaust gas stream can be selectively guided into a first exhaust gas conduit (3) and/or a second exhaust gas conduit (4) by the displacement of the first actuating element (5). A second actuating element (15) is provided on the housing (1), said actuating element controlling a variable of the exhaust gas stream.

EGR/COOLING INTEGRATED MODULE FOR AN IC ENGINE

An EGR/cooling integrated module for an IC engine including an aluminium die- cast interface member (5) adapted to be mounted to the engine, and further including an EGR valve (2), an EGR cooler (3) and a bypass valve (4) carried and interconnected by the interface member (5); the EGR valve (2) is located on the hot side of the EGR cooler (3) and the interface member (5) defines a housing of said EGR valve (2) and a cooling circuit for cooling the EGR valve (2).

DEVICE FOR CONTROLLING AN EXHAUST VALVE OF AN INTERNAL COMBUSTION ENGINE

The invention relates to a device for controlling an exhaust valve (3), provided with a crank mechanism (2) that can be driven by an actuator (1) and can be moved, when the exhaust valve (3) is in the closed end position, past a dead centre towards an abutment (12). In said position, the crank mechanism (2) is held without using any energy and can only be moved out of this position by the driving of the actuator (1). Forces introduced from the side of the exhaust valve (3) cannot move the crank mechanism (2).

Control system for exhaust gas recirculation system in an internal combustion engine

A closed loop control system for an exhaust gas recovery flow in an internal combustion engine having an intake air pressurizing device is provided. The closed loop control system includes an engine controller connected to an intake air mass flow sensor, an engine operation sensor, and an intake air throttle valve for controlling the intake air mass flow rate. In addition, the controller is operatively connected to a variable gas pocket valve for selectively controlling exhaust gas feedback in conjunction with the intake air throttle valve. The variable gas pocket valve and the intake air throttle valve may be actuated in response to the control system parameters to provide accurate control of exhaust gas recovery flow to provide reduced emissions of unburned fuel and particulate matter from the engine.

Engine

In an engine, a controller is configured to fully close the opening of EGR valve when a cut condition is satisfied and variably control the opening when a cut release condition is satisfied. An operating zone is defined as a zone surrounded by a characteristic curve indicating a relationship between rotation speed and torque. The operating zone comprises a high operating zone containing an NTE zone, and a low operating zone that is set at a lower torque side and at a lower rotation speed side with respect to the high operating zone. The cut condition is that an operating condition specified by the rotation speed and the torque is kept within the low operating zone during a predetermined time or more. The cut release condition is that the operating condition falls within the high operating zone. 1. An engine comprising an EGR cooler , an EGR valve , and a controller controlling an opening of the EGR valve ,the controller being configured to fully close the opening when a cut condition is satisfied and variably control the opening when a cut release condition is satisfied, whereinan operating zone is defined as a zone surrounded by a characteristic curve indicating a relationship between rotation speed and torque,the operating zone comprises a high operating zone containing an NTE zone, and a low operating zone that is set at a lower torque side and at a lower rotation speed side with respect to the high operating zone,the cut condition is that an operating condition specified by the rotation speed and the torque is kept within the low operating zone during a predetermined time or more, andthe cut release condition is that the operating condition falls within the high operating zone.2. The engine according to claim 1 , comprising a common rail type fuel injector claim 1 , whereinthe controller is configured to specify three estimated torques, based on a load factor, an injection amount, and a rail pressure, andthe cut condition and the cut release condition employ the ...

Mixer valve of an internal combustion engine of a motor vehicle

A mixer valve of an internal combustion engine of a motor vehicle has a drive device with a respective drive pinion and a control disc for driving two flaps. A single servomotor for driving the drive pinion is arranged in a corner region of an exhaust gas duct and of an intake duct. 18-. (canceled)9616. A mixer valve () of an internal combustion engine () of a motor vehicle , the mixer valve () comprising:{'b': '4', 'an intake duct ();'}{'b': '5', 'an exhaust duct ();'}{'b': 7', '4', '5, 'a common manifold duct () into which each of the intake duct () and the exhaust duct () issue;'}{'b': 10', '12', '10', '4, 'a first flap (), having a first rotatable shaft () holding the first flap (), arranged in the intake duct ();'}{'b': 11', '13', '11', '5, 'a second flap (), having a second rotatable shaft () holding the second flap (), arranged in the exhaust duct (); and'}{'b': 8', '10', '11', '8, 'claim-text': [{'b': 16', '17', '12', '13', '10', '11, 'first and second control disks (, ) respectively arranged rotationally conjointly on the first and second rotatable shafts (, ) of the first and second flaps (, ), and'}, {'b': 18', '19', '12', '13', '10', '11', '16', '17', '18', '19', '22', '25, 'first and second drive pinions (, ) respectively mounted rotatably, and driven, on the first and second shafts (, ) of the first and second flaps (, ), wherein the control disks (, ) and the drive pinions (, ) have drivers (-) that correspond with one another.'}], 'a drive device () configured to drive the first and second flaps (, ), the drive device () having1014121326292425. The mixer valve as claimed in claim 9 , further comprising a housing () configured to mount the first and second shafts ( claim 9 , ) claim 9 , the housing having stops (-) configured to support the drivers ( claim 9 , ).11181921. The mixer valve as claimed in claim 9 , wherein first and second drive pinions ( claim 9 , ) mesh with a common pinion ().1216173031. The mixer valve as claimed in claim 9 , wherein ...

Exhaust gas recirculation (egr) valve for vehicle

Disclosed is an exhaust gas recirculation (EGR) valve for a vehicle which achieves regulation of the flow rate of exhaust gas introduced into an engine and the flow rate of fresh air. The EGR valve includes a fresh air flow channel, an EGR flow channel connected to the fresh air flow channel and a valve unit configured to open or close the EGR flow channel and to selectively block the fresh air flow channel according to an opened/closed state of the EGR flow channel. The valve unit includes a first valve to open or close the EGR flow channel and a second valve arranged at one side of the first valve at a different angle from an arrangement angle of the first valve. The second valve is moved along with the first valve to selectively interfere with a flow stream of fresh air in the fresh air flow channel.

Mixing Valve of An Internal Combustion Engine

A mixing valve of an internal combustion engine of a motor vehicle includes: a flap arranged in a suction channel and a flap arranged in an exhaust gas channel. One single flap of the two flaps is drivable via a gear pair with non-round or eccentric gears. The drive of the other flap has lost motion, whereby the closing movements of the flaps can be formed in a particularly free manner with only a single actuating motor. 18-. (canceled)961. A mixing valve () of an internal combustion engine () of a motor vehicle , comprising:{'b': '4', 'an intake duct ();'}{'b': '5', 'an exhaust duct ();'}{'b': 7', '4', '5, 'a common combined duct () into which the intake duct () and exhaust duct () open;'}{'b': 10', '4', '12', '14', '10, 'an intake flap () arranged in the intake duct (), the intake flap having an intake flap shaft () rotatably mounted in a housing () and holding the intake flap ();'}{'b': 11', '5', '13', '14', '11, 'an exhaust flap () arranged in the exhaust duct (), the exhaust flap having an exhaust flap shaft () rotatably mounted in the housing () and holding the exhaust flap (); and'}{'b': 8', '10', '11', '8, 'claim-text': [{'b': '9', 'a single servomotor (),'}, {'b': 26', '10', '11, 'a mechanism () operating the intake flap () and the exhaust flap (), and'}, {'b': 16', '10', '11', '16', '17', '18, 'a gearwheel pair () driving one of the intake flap () and the exhaust flap (), the gearwheel pair () having noncircular or eccentric gearwheels (, ).'}], 'a drive device () driving the intake flap () and the exhaust flap (), the driving device () having10171218132617. The mixing valve as claimed in claim 9 , wherein one of the noncircular or eccentric gearwheels () is arranged on the intake flap shaft () claim 9 , and another of the noncircular or eccentric gearwheels () is arranged on the exhaust flap shaft () claim 9 , and the mechanism () is configured to drive a single one of the noncircular or eccentric gearwheels ().11. The mixing valve as claimed in claim 10 ...

COOLER FOR EXHAUST GAS RECIRCULATION VALVE

An Exhaust Gas Recirculation valve (EGR) for an engine is provided. The EGR valve includes an actuator having a shaft. The EGR valve includes a cooling block. The cooling block has an inlet configured to receive a coolant flow. A top face of the cooling block has a recess. The recess is configured to house at least a portion of the actuator therein. A through hole is provided on the cooling block and is configured to allow the shaft to pass therethrough. The cooling block includes an internal chamber in fluid communication with the inlet. The internal chamber is configured to provide a path for the coolant flow to circulate through the cooling block. An outlet of the cooling block is configured to discharge the coolant flow. A valve body is fluidly coupled to the cooling block. The valve body may include at least one cooling passage. 1an actuator having a shaft; an inlet configured to receive a coolant flow;', 'a top face having a recess disposed therein, the recess configured to house at least a portion of the actuator therein;', 'a through hole in the top face configured to allow the shaft to pass therethrough; and', 'an internal chamber in fluid communication with the inlet, the internal chamber configured to provide a path for the coolant flow to circulate through the cooling block; and', 'an outlet configured to discharge the coolant flow; and, 'a cooling block comprisinga valve body fluidly coupled to the cooling block, the valve body including at least one coolant passage disposed therein.. An exhaust gas recirculation valve assembly for an engine, the exhaust gas recirculation valve assembly comprising: The present disclosure relates to an exhaust gas recirculation valve, and more specifically to a cooling system for the exhaust gas recirculation valve.Exhaust gas recirculation systems (EGR) are commonly used in a variety of engine applications. The EGR technique involves a recirculation of exhaust gas into an intake manifold of an engine. The exhaust gas ...

SYSTEM AND METHODS FOR ADJUSTING AN EXHAUST GAS RECIRCULATION VALVE BASED ON MULTIPLE SENSOR OUTPUTS

Methods and systems are provided for adjusting an exhaust gas recirculation (EGR) valve based on a final EGR estimate. In one example, a method may include adjusting the EGR valve based on a final EGR flow estimate, the final EGR flow estimate based on a first EGR flow estimated with a differential pressure sensor across the EGR valve, a second EGR flow estimated with an intake oxygen sensor, and accuracy values of each of the first and second EGR flows. The accuracy value may be based on engine operating conditions during estimation of the first and second EGR flows. 1. A method for an engine , comprising:adjusting engine operation based on a final gas flow parameter estimate, the final gas flow parameter estimate based on each of a first gas flow parameter estimated with a first sensor, a second gas flow parameter estimated with a second sensor positioned away from the first sensor in a gas passage of the engine, and accuracy values of each of the first and second gas flow parameters.2. The method of claim 1 , wherein the final gas flow parameter estimate is a final exhaust gas recirculation (EGR) flow estimate and wherein adjusting engine operation includes adjusting an EGR valve based on the final EGR flow estimate claim 1 , the final EGR flow estimate based on each of a first EGR flow estimated with a differential pressure sensor across the EGR valve claim 1 , a second EGR flow estimated with an intake oxygen sensor claim 1 , and accuracy values of each of the first and second EGR flows.3. The method of claim 2 , wherein the accuracy values are based on engine operating conditions during estimation of the first EGR flow and the second EGR flow and wherein the accuracy values are integer values between zero and three.4. The method of claim 2 , further comprising assigning a first accuracy value to the first EGR flow based on each of compressor surge claim 2 , a position of a compressor bypass valve claim 2 , and a differential pressure output by the differential ...

SYSTEM AND METHODS FOR OPERATING AN EXHAUST GAS RECIRCULATION VALVE BASED ON A TEMPERATURE DIFFERENCE OF THE VALVE

Methods and systems are provided for determining changes in a flow area of an exhaust gas recirculation (EGR) valve for EGR flow estimates due to a change in temperature difference between a stem and body of the EGR valve. In one example, a method includes adjusting an EGR valve based on an estimate of EGR flow, the EGR flow estimated based on a pressure difference across the EGR valve and an adjusted valve flow area. The adjusted valve flow area may be based on the temperature difference between the stem and body of the EGR valve. 1. A method for an engine , comprising:adjusting an exhaust gas recirculation (EGR) valve based on an estimate of EGR flow, the EGR flow estimated based on a pressure difference across the EGR valve and an adjusted valve flow area, the adjusted valve flow area based on a first temperature difference between a stem and body of the EGR valve.2. The method of claim 1 , wherein the pressure difference across the EGR valve is estimated with a pressure sensor across the EGR valve claim 1 , wherein the pressure sensor is a differential pressure over valve (DP) sensor claim 1 , and wherein the adjusted valve flow area is further based on a known cross-section of the EGR valve and an EGR valve position claim 1 , the EGR valve positioned measured with an EGR valve position sensor.3. The method of claim 1 , wherein the adjusted valve flow area is adjusted from a known cross-sectional flow area of the EGR valve and an output of an EGR valve position sensor and further comprising determining the adjusted valve flow area based on a first change in flow area based on the first temperature difference between the stem and body of the EGR valve and a thermal expansion coefficient of the EGR valve.4. The method of claim 3 , further comprising claim 3 , at each closing event of the EGR valve claim 3 , determining a second temperature difference between the stem and body of the EGR valve at an EGR valve closing position and storing the determined second ...

METHOD AND SYSTEM FOR BINARY FLOW TURBINE CONTROL

Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control. 1. A method for an engine , comprising:adjusting a scroll valve coupled to an inlet of one scroll of a multi-scroll exhaust turbine responsive to an indication of engine deactivation.2. The method of claim 1 , wherein the indication of engine deactivation includes a deceleration fuel shut-off.3. The method of claim 1 , wherein the one scroll is a first claim 1 , outer scroll claim 1 , the multi-scroll exhaust turbine including a second claim 1 , inner scroll claim 1 , the valve not coupled to an inlet of the second scroll.4. The method of claim 1 , wherein the adjusting includes claim 1 , in response to the indication of engine deactivation claim 1 , moving the scroll valve to a more closed position.5. The method of claim 4 , wherein moving the scroll valve to the more closed position includes moving the scroll valve to the more closed position based on one or more of turbine speed or boost pressure during the engine deactivation.6. The method of claim 5 , wherein the moving based on turbine speed includes moving the scroll valve based on a difference between an estimated or measured turbine speed during the engine deactivation relative to a turbine speed deceleration profile and/or the difference between measured and desired boost pressure claim 5 , the scroll valve moved towards a fully closed position as the difference increases.7. The method of claim 6 , further comprising claim 6 , moving a wastegate coupled across the exhaust turbine to a more closed position in response to the indication of engine deactivation claim 6 , the wastegate position based on the scroll valve position.8. The method of claim 7 , wherein moving the ...

Engine

In an engine, a controller is configured to fully close the opening of EGR valve when a cut condition is satisfied and variably control the opening when a cut release condition is satisfied. An operating zone is defined as a zone surrounded by a characteristic curve indicating a relationship between rotation speed and torque. The operating zone comprises a high operating zone containing an NTE zone, and a low operating zone that is set at a lower torque side and at a lower rotation speed side with respect to the high operating zone. The cut condition is that an operating condition specified by the rotation speed and the torque is kept within the low operating zone during a predetermined time or more. The cut release condition is that the operating condition falls within the high operating zone.

Mixer valve of an internal combustion engine of a motor vehicle

A mixer valve of an internal combustion engine of a motor vehicle has a drive device with a respective drive pinion and a control disc for driving two flaps. A single servomotor for driving the drive pinion is arranged in a corner region of an exhaust gas duct and of an intake duct.

Exhaust gas recirculation (EGR) valve for vehicle

Disclosed is an exhaust gas recirculation (EGR) valve for a vehicle which achieves regulation of the flow rate of exhaust gas introduced into an engine and the flow rate of fresh air. The EGR valve includes a fresh air flow channel, an EGR flow channel connected to the fresh air flow channel and a valve unit configured to open or close the EGR flow channel and to selectively block the fresh air flow channel according to an opened/closed state of the EGR flow channel. The valve unit includes a first valve to open or close the EGR flow channel and a second valve arranged at one side of the first valve at a different angle from an arrangement angle of the first valve. The second valve is moved along with the first valve to selectively interfere with a flow stream of fresh air in the fresh air flow channel.