WO2022048706A1 - Dispositif de soupape d'une portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement, et portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement - Google Patents

Dispositif de soupape d'une portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement, et portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement Download PDF

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Publication number
WO2022048706A1
WO2022048706A1 PCT/DE2021/100700 DE2021100700W WO2022048706A1 WO 2022048706 A1 WO2022048706 A1 WO 2022048706A1 DE 2021100700 W DE2021100700 W DE 2021100700W WO 2022048706 A1 WO2022048706 A1 WO 2022048706A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
arm
exhaust gas
designed
section
Prior art date
Application number
PCT/DE2021/100700
Other languages
German (de)
English (en)
Inventor
Zdenek REIF
Alexander HENSCHEL
Original Assignee
Ihi Charging Systems International Gmbh
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
Priority claimed from DE102020123178.4A external-priority patent/DE102020123178A1/de
Priority claimed from DE102020123177.6A external-priority patent/DE102020123177A1/de
Priority claimed from DE102020123179.2A external-priority patent/DE102020123179A1/de
Application filed by Ihi Charging Systems International Gmbh filed Critical Ihi Charging Systems International Gmbh
Publication of WO2022048706A1 publication Critical patent/WO2022048706A1/fr

Links

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
    • F02B37/12—Control of the pumps
    • F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • F02B37/183—Arrangements of bypass valves or actuators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2007—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member specially adapted operating means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a valve device of an exhaust gas routing section of an exhaust gas turbocharger of the type indicated in the preamble of patent claim 1.
  • the invention also relates to an exhaust gas routing section of an exhaust gas turbocharger according to the preamble of patent claim 8.
  • Valve devices for exhaust gas routing sections are known.
  • exhaust gas guide sections have a bypass channel for the controllable inflow of a turbine wheel rotatably accommodated in the exhaust gas guide section, which bypass channel is opened or closed with the aid of a valve device.
  • the valve devices serve to open and close a flow opening formed between the two flows.
  • the valve device can be designed to open and close the flow opening and to open and close the bypass channel. In other words, this means that a single valve device, comprising a single valve body, is designed to regulate the inflow onto the turbine wheel.
  • Patent specification DE 10 2012 015 536 B4 discloses a valve device for an exhaust gas routing section of an exhaust gas turbocharger, the exhaust gas routing section having a single-flow design and having a bypass channel to bypass a turbine wheel rotatably accommodated in the exhaust gas routing section.
  • a valve disk of the valve device In a closed position, in which a valve opening formed in the bypass channel is closed with the aid of the valve disk, a valve disk of the valve device has a longitudinal center axis of the valve disk configured at a distance from a longitudinal center axis of the valve opening.
  • the published application WO 2017/108160 A1 discloses a valve device of an exhaust gas routing section of an exhaust gas turbocharger, the exhaust gas routing section having two flows and a bypass channel.
  • the valve device is used to open and close the bypass duct and to open and close a flow connection cross section formed in the exhaust gas routing section.
  • a valve body of the valve device is solid and firmly connected to a valve lever arm of the valve device for positioning.
  • Utility model DE 20 2018 104 140 U1 discloses a valve device whose valve body is designed to have a cavity to reduce the weight of the valve body. This cavity is used to accommodate a valve arm, which is fixed to a valve lever arm, which is pivotable about a pivot axis, is formed.
  • the valve arm which is firmly accommodated in a receiving opening of the valve lever arm, can be moved in the direction of a longitudinal axis of the valve body relative to the valve body, with two movement gaps being formed between the valve body and the valve arm in the direction of the longitudinal axis of the valve body, one movement gap in a first Operating position of the valve device and the other movement gap is closed in a second operating position. If one of the two movement gaps is closed, the other of the two movement gaps is open.
  • One movement gap is formed between a bottom of the valve body and an end surface of the valve arm arranged opposite thereto.
  • the other movement gap is between a shoulder of the valve arm and a guide member positioned to guide the valve arm.
  • the object of the present invention is to provide a valve device of an exhaust gas routing section of an exhaust gas turbocharger, which has less wear compared to the prior art.
  • the further object is to specify an improved exhaust-gas routing section of an exhaust-gas turbocharger.
  • this object is achieved with a valve device of an exhaust gas routing section of an exhaust gas turbocharger with the features of claim 1 .
  • the further object is achieved according to the invention with an exhaust gas routing section of an exhaust gas turbocharger with the features of claim 8 .
  • a valve device of an exhaust gas routing section of an exhaust gas turbocharger has a valve system comprising a valve body and a valve arm.
  • the valve body is arranged to be movable relative to a valve lever arm of the valve device with the aid of the valve arm.
  • the valve lever arm can be moved with the aid of a movement device of the valve device.
  • the valve body has a projection which faces away from the valve lever arm.
  • the valve arm is designed to be movable relative to the valve body.
  • a guide element is designed to guide the valve arm. According to the invention, the guide element is designed to engage in the valve arm in order to reduce wear.
  • valve body is designed to have an interior space with the aid of the projection, with the valve arm being designed to project into the interior space. This serves the further space-optimized form of the valve system.
  • a first valve arm section of the valve arm accommodated in the interior is at least partially designed to be complementary, creating a movement gap between a lateral surface of the first valve arm section and an inner surface of the interior opposite the lateral surface.
  • a further reduction in wear is achieved if the first valve arm section is cup-shaped and receives the guide element in a contact-free manner.
  • valve device has the valve arm supported on the floor with its arm surface designed facing a floor of the valve body.
  • the arm surface is designed to cover at least more than half of a bottom surface of the floor that is designed opposite it.
  • valve lever arm For a secure connection of the valve body to the valve lever arm, which is indirectly connected to the valve lever arm via the valve arm, the valve lever arm is at least partially designed to encompass the valve arm, whereby the valve arm can be arranged in the valve lever arm.
  • valve lever arm is firmly connected to the valve arm, in particular with a material connection. Furthermore, with the integral connection there is a rigid connection between the valve lever arm and the valve arm realized so that the required mobility is secured exclusively formed between the valve arm and the valve body.
  • the interior is closed with the help of a cover, turbulence in the exhaust gas flow in the interior is avoided.
  • This turbulence can lead to resistance when opening or closing the flow opening and the valve opening, which means that an increased effort is required.
  • the interior can then be filled with a damping agent, which can bring about a further reduction in wear, since a movement of the components in contact with one another is damped before contact.
  • valve device the necessary contact surfaces between the valve body and the valve arm are designed to be as large as possible to reduce wear, while a secure guidance of the valve body is formed on the valve lever arm.
  • FIG. 1 shows a section through an exhaust gas routing section of an exhaust gas turbocharger with a valve device according to the prior art in a first operating position
  • FIG. 2 shows a perspective view of a further valve device according to the prior art
  • 3 shows the valve device according to FIG. 2 in a section
  • FIG. 5 shows a valve device according to the invention in a section.
  • An exhaust gas routing section 1 of an exhaust gas turbocharger 2 designed according to Fig. 1 according to the prior art, through which flow can take place, comprises an inlet channel 3 for the entry of a fluid flow into the exhaust gas routing section 1, generally exhaust gas from an internal combustion engine 7, a first spiral channel 4 and a second spiral channel 5 downstream of the inlet channel 3 for conditioning the flow, and an outlet channel, not shown in detail, downstream of the spiral channels 4, 5, through which the exhaust gas can escape from the exhaust gas guide section 1 in a targeted manner.
  • a wheel chamber not shown in detail, is formed, in which a turbine wheel, not shown in detail, is rotatably accommodated.
  • the spiral channels 4, 5 can be flowed through separately from one another with the aid of a partition T.
  • a through-flow opening 10 is formed in the partition T so that exhaust gas can flow from the first spiral channel 4 into the second spiral channel 5 and vice versa.
  • the exhaust gas routing section 1 is connected to an exhaust manifold 6 of the internal combustion engine 7, so that the exhaust gas of the internal combustion engine 7 can enter the spiral ducts 4, 5 via the inlet duct 3 in order to act on the turbine wheel.
  • a valve device 8 for separating and connecting the first spiral channel 4 and the second spiral channel 5 is arranged in the exhaust gas guide section 1.
  • a valve body 9 of the valve device 8 is arranged in the flow opening 10, with the help of which the two spiral channels 4, 5 are designed so that they can flow through each other.
  • the valve device 8 comprises a valve system 11 which has the valve body 9 and a valve arm 13 connecting the valve body 9 to a valve lever arm 12 of the valve device 8 .
  • a bypass channel 14 formed in the exhaust gas guide section 1, which is designed to bypass a rotatably accommodated turbine wheel of the exhaust gas turbocharger 2 (not shown in detail) in the exhaust gas guide section 1, can be opened and closed with the aid of the valve body 9.
  • an open position of the valve body 9 the flow opening 10 is open and exhaust gas can flow from the first spiral channel 4 into the second spiral channel 5 and vice versa. That is, exhaust gas from the one spiral channel 4; 5 into the other spiral channel 5; 4 can overflow via the flow opening 10.
  • a valve opening 15 of the bypass channel 14 is also open in the second position of the valve body 9 . This means that exhaust gas can also flow past the turbine wheel via the bypass channel 14 .
  • a flow rate of the exhaust gas or its mass flow, which is routed via the bypass duct 14, depends on an opening position of the valve body 9 a small amount of flow can flow via the bypass channel 14 . If the valve body 9 is in a maximum opening position, the flow opening 10 and the valve opening 15 are fully open.
  • the valve body 9 is to be arranged between the first operating position and the maximum opening position in further operating positions, so that the exhaust gas flowing through the flow opening 10 and/or the valve opening 15 can be adapted to achieve the best possible efficiency of the exhaust gas turbocharger 2 in accordance with the exhaust gas quantity flowing through
  • the valve body 9 has a projection 16 which faces away from the valve lever arm 12 .
  • a projection 16 which faces away from the valve lever arm 12 .
  • valve lever arm 12 10 and the valve opening 15 depending on a movement of the valve lever arm 12 can be realized.
  • the valve lever arm 12 is connected to a moving device 18 for moving the valve device 8 . It is for pivoting on its from the valve system
  • an adjusting shaft 21 having the pivot axis 20 is arranged at the end 19 of the lever arm. This is rotatably accommodated in a guide opening 22 formed in the exhaust gas guide section 1 .
  • the valve body 9 of the valve device 8 like. Fig. 1 is solid, the valve body 9 of the valve device 8 like. 2 is hollow, in particular in the form of a pot.
  • the valve arm 13 extends from a base 24 formed in an interior space 23 of the valve body 9 along a longitudinal valve axis 25 of the valve body 9 in the form of a cylinder, with its longitudinal extent protruding beyond a body ring 26 of the valve body 9.
  • a longitudinal arm axis 31 of the valve arm 13 is configured coaxially with the longitudinal valve axis 25 , which forms an axis of symmetry of the valve body 9 at least in one plane of the valve body 9 .
  • the body ring 26 surrounds the valve body 9 and projects beyond it in the radial direction and has a contact surface 27 for contact in a valve seat 28 in the exhaust gas routing section 1 , which is associated with the valve opening 15 .
  • the end of the valve lever arm 12 facing the valve arm 13 is designed to receive it in a receiving opening 29, as can be seen in FIG.
  • the valve lever arm 12 is designed to extend into the interior space 23 and is supported with its end 34 opposite the base 24 on the base 24 .
  • the receiving opening 29 has an opening longitudinal axis 30 which is coaxial with the valve longitudinal axis 25 in the first operating position of the valve body 9 .
  • the valve arm 13 has a securing element 33 for secure mounting on the valve lever arm 12 , the valve lever arm 12 being arranged between the valve body 9 and the securing element 33 .
  • first movement gap 32 which mainly extends in the axial direction
  • second movement gap 35 is formed between the valve lever arm 12 and the base 24 and/or the securing element 33, which mainly extends in the radial direction extends.
  • first movement gap 32 is also formed in the radial direction
  • second movement gap 35 is formed in the axial direction to create a gap.
  • the movement gaps 32, 35 are dependent on the temperatures and pressures of the exhaust gas and on the positioning of the valve lever arm 12 in terms of their axial and radial extent.
  • the valve device 8, in particular the valve body 9 and a section of the valve lever arm 12 facing the valve body 9, are permanently in direct contact with the exhaust gas flow exposed and acted upon by this.
  • the temperature of the exhaust gas flow fluctuates depending on the operation of the internal combustion engine 7.
  • a spatial expansion of the valve system 11 and the valve lever arm 12 is, however, dependent on the temperature of the exhaust gas flow and thus also fluctuates or changes with the operation of the internal combustion engine 7.
  • the movement gaps 32, 35 also change depending on the operation of the internal combustion engine 7. This is in the first
  • the operating position of the valve device 8 is irrelevant with regard to undesirable noise emissions, but forces of the exhaust gas flow act almost entirely on the valve body 9, especially at the maximum open position, which lead to rattling, for example, due to a movement of the valve system 11 relative to the valve lever arm 12.
  • valve device 8 shows another valve device 8 according to the prior art.
  • the valve arm 13 designed to be movable relative to the valve body 9 .
  • the valve lever arm 12 is firmly connected to the valve arm 13 .
  • the movable valve arm 13 is guided with the aid of a cover 36 closing the interior space 23 and can be kept relatively short in the axial direction to reduce wear in comparison to the guide with the aid of the valve lever arm 12 .
  • the valve lever arm 12 has a first contact surface 37 formed opposite the base 24, which is formed to almost completely cover the base 24, so that a pressure exerted on the base 24 when the openings 10, 15 are closed is reduced.
  • the first movement gap 32 is closed.
  • a valve device 8 according to the invention is shown in FIG.
  • the valve arm 13 has in the region of the interior 23 an inner surface 45 of the interior 23 opposite to the formation of a third movement gap 38 adapted lateral surface 39 and is formed having a cavity 40, in which a Guide element 41 is arranged to extend, which is formed in one piece with the cover 36 .
  • the guide element 41 is thus designed to engage in the valve arm 13 .
  • the guide element 41 serves to securely guide the valve system 11 .
  • the first movement gap 32 is formed between the guide element 41 and the valve arm 13 .
  • the valve arm 13 in this embodiment can be divided into three parts for ease of explanation.
  • a first valve arm section 42 of valve arm 13 is pot-shaped and has cavity 40 and lateral surface 39 .
  • the first valve arm section 42 has an arm surface 46 formed opposite a bottom surface 47 of the bottom 24, between which the second movement gap 35 is formed when the openings 10, 15 are in the open state.
  • the arm surface 46 is designed to cover at least half of the bottom surface 47 .
  • it is designed to cover at least 80% of the floor area.
  • a second valve arm section 43 of the valve arm 13 is cylindrical and extends out of the cavity 40 in the direction of the valve lever arm 12 .
  • a third valve arm section 44 of the valve arm 13 is also designed in the shape of a cylinder and is firmly accommodated in the receiving opening 29 .
  • a first diameter D1 of the first valve arm section 42 is larger than a second diameter D2 of the second valve arm section 43, and this is larger than a third diameter D3 of the third valve arm section 44.
  • a shoulder 48 is thus formed between the second valve arm section 43 and the third valve arm section 44 , which is provided for simplified assembly with the valve lever arm 12, since the shoulder 48 has the function of a stop for the valve lever arm 12.
  • the guide element 41 is thus designed to extend between the first valve arm section 42 and the second valve arm section 43 , a distance A being formed between the first valve arm section 42 and the guide element 41 .
  • the first valve arm section 42 and the guide element 41 contactless or contactless.
  • the distance A is to be made large enough so that a change in volume of the two parts 41, 42 cannot cause any contact.
  • the second movement gap 35 is formed between the cover 36 and the first valve arm section 42 .
  • the wear is significantly reduced.
  • the cover 36 is designed in one piece with the guide element 41 . This simplifies assembly of the valve system 11 since the valve arm 13 can be inserted into the interior space 23 .
  • the cover 36 with the guide element 41 is then inserted between the first valve arm section 42 and the second valve arm section 43 and finally the cover 36 is bonded to the valve body 9, in particular the body ring 26, on its outer circumference.
  • a positive and/or non-positive connection could also be formed.
  • the cover 36 has the body ring 26 . This allows the assembly to be further improved, in particular if the valve body 9 is accommodated in a groove formed in the cover 36 .
  • the interior space 23 is filled with a damping agent.
  • the damping agent is gaseous. However, it could also be liquid, or it could be in the form of a powder.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un dispositif de soupape d'une portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement, pourvu d'un système de soupape (11) comprenant un corps de soupape (9) et un bras de soupape (13), le corps de soupape (9) étant disposé, à l'aide du bras de soupape (13), sur un bras de levier de soupape (12) du dispositif de soupape (8) de manière à pouvoir être déplacé par rapport audit bras de levier de soupape (12). Le bras de levier de soupape (12) peut être déplacé à l'aide d'un dispositif de mouvement (18) du dispositif de soupape (8), et le corps de soupape (9) comprend une partie saillante (16) qui est configurée pour être dirigée à l'opposé du bras de levier de soupape (12). Le bras de soupape (13) est configuré pour pouvoir être déplacé par rapport au corps de soupape (9), et un élément de guidage (41) destiné à guider le bras de soupape (13) est configuré. L'élément de guidage (41) est configuré pour venir en prise dans le bras de soupape (13) afin de réduire l'usure, et le corps de soupape (9) est conçu pour comprendre une chambre intérieure (23). Le bras de soupape (13) est configuré pour faire saillie dans la chambre intérieure (23), et une première portion de bras de soupape (42), accueillie dans la chambre intérieure (23), du bras de soupape (13) est au moins partiellement de configuration complémentaire, ce qui provoque une fente de mouvement (38) entre une surface d'enveloppe (39) de la première portion de bras de soupape (42) et une surface intérieure (45), opposée à la surface d'enveloppe (39), de la chambre intérieure (23). La première portion de bras de soupape (42) est configurée pour recevoir sans contact l'élément de guidage (41) d'une manière en forme de pot. L'invention concerne également une portion d'acheminement des gaz d'échappement pour un turbocompresseur de gaz d'échappement.
PCT/DE2021/100700 2020-09-04 2021-08-19 Dispositif de soupape d'une portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement, et portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement WO2022048706A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102020123178.4A DE102020123178A1 (de) 2020-09-04 2020-09-04 Ventilvorrichtung eines Abgasführungsabschnitts eines Abgasturboladers und Abgasführungsabschnitt eines Abgasturboladers
DE102020123179.2 2020-09-04
DE102020123177.6A DE102020123177A1 (de) 2020-09-04 2020-09-04 Ventilvorrichtung eines Abgasführungsabschnitts eines Abgasturboladers und Abgasführungsabschnitt eines Abgasturboladers
DE102020123177.6 2020-09-04
DE102020123178.4 2020-09-04
DE102020123179.2A DE102020123179A1 (de) 2020-09-04 2020-09-04 Ventilvorrichtung eines Abgasführungsabschnitts eines Abgasturboladers und Abgasführungsabschnitt eines Abgasturboladers

Publications (1)

Publication Number Publication Date
WO2022048706A1 true WO2022048706A1 (fr) 2022-03-10

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Application Number Title Priority Date Filing Date
PCT/DE2021/100700 WO2022048706A1 (fr) 2020-09-04 2021-08-19 Dispositif de soupape d'une portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement, et portion d'acheminement des gaz d'échappement d'un turbocompresseur de gaz d'échappement
PCT/DE2021/100699 WO2022048705A1 (fr) 2020-09-04 2021-08-19 Dispositif de soupape d'une portion de transport de gaz d'échappement d'un turbocompresseur à gaz d'échappement et portion de transport de gaz d'échappement d'un turbocompresseur à gaz d'échappement

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PCT/DE2021/100699 WO2022048705A1 (fr) 2020-09-04 2021-08-19 Dispositif de soupape d'une portion de transport de gaz d'échappement d'un turbocompresseur à gaz d'échappement et portion de transport de gaz d'échappement d'un turbocompresseur à gaz d'échappement

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WO2023151749A1 (fr) * 2022-02-09 2023-08-17 Ihi Charging Systems International Gmbh Dispositif de commande d'une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement

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US20240060446A1 (en) * 2022-08-16 2024-02-22 Borgwarner Inc. Valve for a dual-volute turbine

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