Volvo Trucks Patente

A computer system (900) comprising processing circuitry (902) configured for predictive traction control of a vehicle (10) the processing circuitry further being configured to: obtain current vehicle state data (110) of the vehicle (10); obtain road data (120), predict vertical loads (134) on at least one wheel and/or axle of the vehicle (10), determine global forces (136), determine a plurality of possible electronically controlled suspension (ECS) settings (140), determine a matrix (145) of traction and steering capabilities for the plurality of ECS-settings (140), and determine a suitable action (150) to be carried out by the vehicle (10) in order to achieve a balance between traction and steering capabilities for the upcoming road section (53), wherein the determination is based on the matrix (145) of traction and steering capabilities and the determined global forces (136).

A computer system (100) comprising processing circuitry (102) configured to: obtain (200) cab-related data, including at least one of cab type (106), cab volume (108), presence of a sleeper cab (110), and window area (112) of a cab of a vehicle; obtain (202) a parameter indicative of a climate control setting (114) of the cab; obtain (204) a parameter indicative of a status and capacity of a vehicle battery (104); estimate (206) a remaining operational time of the vehicle battery during standstill using a computational model that takes as input at least the obtained cab-related data, the parameter indictive of a climate control setting, and the parameter indicative of the status and capacity of the vehicle battery.

A computer system (100) comprising processing circuitry (102) configured to: acquire an electrical parameter value (Ep) of an electrical energy storage pack (104a) of a first unit in a unit fleet (105), retrieve reference data (110) generated from logged electrical parameter values of electrical energy storage packs in the fleet of units, the retrieved reference data being determined from logged electrical parameter values (114) associated with units having at least one driving or usage attribute (112, 111) in common with the first unit, compare the acquired electrical parameter value with the retrieved reference data, provide an indication message (M) of a power path fault depending on the outcome of the comparison.

A computer system (100) comprising processing circuitry (102) configured to: acquire internal resistance values (R_cell) of individual electrical energy storage cells within an electrical energy storage pack (104a-b), acquire an overall internal resistance (R_overall) of the electrical energy storage pack including cell and power path resistances, associate each internal resistance value of individual cells and the overall internal resistance with other electrical energy storage pack characteristics (110), compare the internal resistance values of individual cells and the overall internal resistance with a cell internal resistance reference parameter (112) and an overall internal resistance reference parameter (114) for other electrical energy storage packs with similar electrical energy storage pack characteristics, the other electrical energy storage packs are within a fleet of units equipped with electrical energy storage packs, when either the acquired internal resistance value of a cell fulfil a cell resistance criterion, and/or the acquired overall internal resistance fulfil an overall resistance criterion, provide an output message (M) that a fault is detected in the respective cell (106) and/or electrical energy storage pack (104a-b) power path.

The disclosure relates to a computer system (800) for estimating power consumption in vehicle (1), the vehicle (1) comprising a plurality of power consumers (3), the computer system (800) comprising processing circuitry (802) configured to:• determine which of the plurality of power consumers (3) that are active;• determine an expected consumption associated with power for each active power consumer (3); and to• determine an estimated total power consumption for all active power consumers (3) by summing the expected consumption associated with power for each active power consumer (3).

A computer system and computer-implemented method are disclosed for determining a relaxation state of a battery cell online. The computer-implemented method comprises: acquiring, by processing circuitry of a computer system, a first terminal voltage of the battery cell measured at a first time; acquiring, by the processing circuitry, a second terminal voltage of the battery cell measured at a second time a period later than the first time; determining, by the processing circuitry, a relaxation metric based on a difference between the first terminal voltage and the second terminal voltage over the period; and determining, by the processing circuitry, a relaxation state of the battery cell online by comparing the determined relaxation metric to a threshold.

The present disclosure relates to a battery suspension arrangement for a vehicle, the battery suspension arrangement comprising: a frame bracket configured to be connected to a frame of the vehicle, a battery bracket configured to be directly or indirectly connected to a traction battery, and a bushing bracket pivotably connected to the frame bracket about a predefined pivot axis, the bushing bracket comprising a bushing, wherein the bushing bracket is configured to pivot between a first position in which the bushing is spaced apart from the battery bracket, and a second position in which the bushing engages the battery bracket to support the battery bracket relative to the frame bracket.

The present disclosure relates to a connector assembly for a high-voltage, HV, cable, the assembly comprising: an inner header configured to enclose the HV cable; an outer shell configured to enclose the inner header; and a high-voltage interlock loop, HVIL; wherein the outer shell is movable relative the inner header between a first position in which an inspection hole of the outer shell is configured to misalign with an inspection hole of the inner header, and a second position in which the inspection hole of the outer shell is configured to align with the inspection hole of the inner header so as to provide an open path to the HV cable from outside the connector assembly, and wherein the HVIL is configured such that it is interrupted when the outer shell is arranged in the second position; and wherein one of the inner header or the outer shell comprises a locking pin configured to engage with a groove arranged in the other one of the inner header or the outer shell so as to guide the movement of the outer shell between the first position and the second position.

The present disclosure relates to a battery suspension arrangement for a vehicle, the battery suspension arrangement comprising a pair of bracket arrangements configured to suspend a traction battery to a frame of the vehicle, each one of the pair of brackets arrangements comprising a first elongated bracket comprising a first interface portion arranged at a lower end and extends between a first and a second end, a second elongated bracket comprising a second interface portion arranged at an upper end and extends between a first and a second end, wherein the first and second interface portions are connected to each other for fastening the first and second elongated brackets to one another.

The present disclosure relates to a computer system comprising processing circuitry configured to obtain a target retardation level for a vehicle comprising a plurality of electric machines, each electric machine being operably connected to at least one wheel of the vehicle, control each of the plurality of electric machines according to a brake torque distribution scheme to obtain the target retardation level, determine, upon applying brake torques according to the brake torque distribution scheme, that a first wheel, operable by a first electric machine of the plurality of electric machines, reaches a predefined wheel slip limit of the first wheel, and in response to the first wheel reaching the predefined wheel slip limit: update the brake torque distribution scheme by increasing the brake torque on at least a second electric machine operably connected to at least a second wheel of the vehicle.

A gearbox assembly (10), comprising: a shaft (12) having a first end (14a) and a second end (14b) opposite the first end, the first end comprising a recess (16); a bearing (30) arranged in the recess, the bearing comprising an inner race (32a); and a clamping shaft (34) arranged at least partly in the recess and configured to limit axial movement of the inner race of the bearing in a direction (D) towards the second end of the shaft, the clamping shaft comprising a shaft portion (36) and a clamping portion (38), wherein the clamping portion is adapted to bear against an inside (42) of the inner race of the bearing, which inside faces said second end of the shaft.

The present disclosure relates to a method (100, 100') of operating an Energy Management System, EMS, (10) for electrical vehicle charging, the method comprising sending (102) energy availability information (12) to a Charge Point Management System, CPMS, (20) wherein the energy availability information (12) comprises green energy information; and controlling (104) charging of a Battery Energy Storage System, BESS, (34) to a desired charge level based on a charging request (22) for an electrical vehicle charging received via the CPMS (20). The controlling of the charging comprises predicting green energy availability on the grid (40), and charging (106) the BESS (34) to the desired charge level based on the prediction of green energy availability and the charging request (22). The disclosure further relates to method (200) of operating a CPMS (20), and systems related thereto.

A vent unit (100) for an energy storage system (200), the vent unit comprising: a particle trapping system configured to function as a breather unit during normal operation and as a particle-trapping unit during a thermal runaway event, the particle trapping system comprising an inflatable multi-layer inner membrane (102a-c) configured to filter gas-borne particles during a thermal runaway event, and an inflatable gas-permeable outer membrane (104), configured to allow breathing and the release of filtered gases.

The disclosure relates to a battery suspension arrangement comprising a pair of support elements, of which each is configured to be connected to a traction battery and detachably fastened to a battery suspension portion of a respective beam to enable removable of the traction battery.

The disclosure relates to a battery arrangement (100) for a vehicle, comprising a pair of battery modules (102, 202) arranged, wherein each of the battery modules comprises a battery suspension element (104, 204) configured to individually suspend the respective battery module to a frame (300) of the vehicle, a protection plate (400) extending across a geometric gap (103) between the battery modules and arranged at a first surface (106, 206) of each of the battery modules, the first surface being arranged laterally offset from the battery suspension elements of the battery modules, and a pair of bushings (108, 208), each arranged between the protection plate and the first surface of the pair of battery modules, connecting the protection plate to the respective battery module, wherein each of the pair of bushings is formed by an elastomeric material to allow a relative movement between the protection plate and the battery modules.

The present disclosure relates to a tire property sensor system (100) for a tire (2) of a road vehicle (1000), the system (100) comprising: a plurality of vibration sensors (1) arranged inside the tire (2) and distributed along a circumference of the tire (2), each vibration sensor (1) of the plurality of vibration sensors (1) being configured to generate signals in response to vibrations during driving conditions; and a processing circuit (3) communicatively connected to the plurality of vibration sensors (1); wherein the processing circuit (3) is configured to execute the functions of: for each vibration sensor (1), annotating the vibration sensor (1), including assigning a respective angular position in relation to at least a neighboring vibration sensor (1); receiving signals from the plurality of vibration sensors (1); recording, based on the received signals, acoustic data of the tire (2); analyzing the acoustic data of the tire (2) and estimating at least one dynamic tire property parameter of the tire (2).

The present disclosure relates to a pneumatic system for a vehicle, the pneumatic system comprising an air compressor, an air drying unit, a first conduit connected to the air compressor and to the air drying unit for conveying pressurized air from the air compressor to the air drying unit, an air tank arranged in downstream fluid communication with the air drying unit, a second conduit connected to the air tank and to the first conduit at a position between the air compressor and the air drying unit, and a valve arranged in the second conduit for controllably feed air from the air tank to the first conduit.

A drive unit (20) for an electric vehicle, comprising: an output shaft; a planetary gear train (40) and a main gearwheel (50) both coaxial with the output shaft, the main gearwheel being selectively engageable with two input members of the planetary gear train; a first motor assembly (60) having an electric motor (62), a motor shaft (64) and a motor gearwheel (66) non-selectively rotationally connected with said motor shaft and meshing with the main gearwheel; and a second motor assembly (70) having an electric motor (72), a motor shaft (74), an intermediate shaft (76) coaxial with said motor shaft, a motor gearwheel (78) fixed to said intermediate shaft and meshing with the main gearwheel and a clutch (80) to selectively rotationally connect or disconnect said motor shaft and said intermediate shaft. The second electric motor is shorter than the first electric motor and both are parallel to the output shaft.

A thermal management system for an energy storage system (ESS) of a vehicle includes at least one ESS; and at least one duct in thermal contact to the at least one ESS, wherein the at least one duct is internally shaped to heat incoming air when the vehicle is in motion.

A disc brake actuator (17) for a heavy-duty vehicle (1), the disc brake actuator (17) comprising: a mounting surface (19) arranged to abut with a corresponding surface of a brake caliper (13) of the vehicle (1); an internally threaded bore (21) extending into the disc brake actuator (17) from the mounting surface (19) along a first direction (25); and an externally threaded bolt (23) spaced apart from the internally threaded bore (21) and projecting from the mounting surface (19) along a second direction (27), parallel to the first direction (25).

A computer system comprising processing circuitry is provided. The processing circuitry is configured to obtain a required drive torque (T_ref) for a vehicle (1), and obtain a heat requirement (H_ref) for a component (12, 14, 20, 40) of the vehicle (1). The processing circuitry is further configured to cause, in response to the required drive torque (T_ref) being less than the maximum torque capability of at least one electrical machine (10a-b): control of at least one first electrical machine (10a-b), connected to a drivetrain of the vehicle (1) and forming part of a vehicle drive system (11), to generate the required drive torque (T_ref); and control of at least one second electrical machine (10a-b) forming part of the vehicle drive system (11), to generate excess heat. The processing circuitry is further configured to distribute the excess heat to the component (12, 14, 20, 40) of the vehicle (1) such that the heat requirement (H_ref) is fulfilled.

A method for field weakening implemented in an electric machine comprising a stator and a rotor with at least one rotor's winding, the method comprising: - A step of obtaining a field electric current actual value (If) currently applied to the at least one rotor's winding; - A step of obtaining a direct electric current reference value (Id*); - A step of determining, based at least on the field electric current actual value (If), a direct electric current offset value to be added to the direct electric current reference value (Id*); - A step of adding the direct electric current offset value to the direct electric current reference value (Id*) in order to obtain an actualized direct electric current reference value (Id**).

A flotation device (30) comprising: a first portion (32) arranged in fluid communication with liquid coolant accommodated by a liquid coolant pipe (20), the first portion (32) causing selective blocking or opening of an outlet (22) leading inside a battery pack (10); a second portion (34) arranged inside the battery pack (10) being floatable; and a third portion (36) interconnecting the portions (32, 34), wherein the third portion (36) is configured to adjust a position of the first portion (32) based on a position of the second portion (34).

A transmission arrangement (300) for a vehicle, comprising: - an input component (132), - a planetary gear system (140) comprising a sun gearwheel (141), a ring gearwheel (144), and a planet carrier (142) rotationally connected to an output component (81), - a crawler unit (390) selectively drivingly connecting the ring gearwheel to the output component, wherein the rotational connection of a gear member (392) of the crawler unit to a stationary member (149b) causes the ring gearwheel to rotate in an opposite direction compared to the planet carrier, - a first sleeve (146) movable between a first position and a second position, rotationally connecting the sun gearwheel to the stationary member and to the input component, respectively, - a second sleeve (147) movable between a first position, rotationally connected to the input component, and a second position, rotationally connected to the stationary member, and - a third sleeve (148) movable between a first position, rotationally connected to the ring gearwheel, and a second position, rotationally connected to the gear member of the crawler unit, the second and third sleeves being mutually coaxial, rotationally interconnected, and axially displaceable relative one another.

A bolt assembly for fastening at least one structural element having a fastening hole, the bolt assembly comprising: a bolt comprising a head and a body, wherein the body comprises: a shank portion extending from the head, and a threaded portion extending from the shank portion, wherein the threaded portion is configured to engage with a nut or a threaded hole; a sleeve configured to be fitted onto the shank portion of the bolt; and wherein the bolt assembly is characterized in that the sleeve comprises a plurality of outward-extending protrusions and configured to undergo plastic deformation upon engagement with the fastening hole.

A computer system and computer-implemented method are disclosed for determining a control input for a suspension system of a vehicle. The computer system comprises processing circuitry configured to: determine an objective relating to motion of the vehicle, select a format for a control input for the suspension system from a plurality of formats based on the objective, the plurality of formats comprising two or more of: a first format comprising a request for a vertical force to be implemented on a wheel of the vehicle by the suspension system, a second format comprising a request for a vertical velocity of a wheel of the vehicle to be implemented by the suspension system, and a third format comprising a request for a vertical position of a wheel of the vehicle to be implemented by the suspension system; and determine a control input for the suspension system according to the selected format and based on the objective.

A battery housing (100) comprising: a plurality of battery cells (102), each battery cell having a vent (202) positioned to face a first side (104) of the battery housing for releasing exhaust gas during a thermal runaway event; and a venting channel (106) arranged at the first side of the battery housing and configured to guide exhaust gas from the battery cells toward a venting outlet (108) of the battery housing; wherein the venting channel comprises a first channel portion (204) arranged to directly receive exhaust gas from the vents of the battery cells, and a second channel portion (206) arranged to transport exhaust gas to the venting outlet, the second channel portion being fluidly separated from the first channel portion along part of its length; and wherein a fluid connection (208) between the first and second channel portions is formed at an edge portion (110) of the first side of the battery housing.

A system and method are disclosed for determining the shape of at least part of a tyre. The system comprises: a plurality of radio-reflective objects associated with the tyre; one or more wheel-mounted radar sensors configured to receive radio waves reflected from each of the plurality of radio-reflective objects; and processing circuitry configured to: determine a position of each of the plurality of radio-reflective objects based on a corresponding radar measurement made by the one or more wheel-mounted radar sensors; and determine the shape of at least part of the tyre based on the determined positions. A corresponding tyre, vehicle, computer system, and computer-implemented method are also disclosed.

A battery housing (100) comprising: a plurality of battery cells (102), each battery cell having a vent (104) positioned to face a first side (106) of the battery housing for releasing exhaust gas during a thermal runaway event; a first compartment (108) disposed adjacent to the vents of the battery cells, the first compartment being air-filled; a second compartment (110) adjacent to the first compartment, on a side of the first compartment opposite the side facing the vents of the battery cells, and in fluid communication with the first compartment via breakable openings (112) located between the first compartment and the second compartment, wherein the second compartment comprises a phase change material (114) configured to be activated when high-velocity particles and/or high-pressure gas ejected from the battery cells break through the breakable openings, and to absorb heat and trap particles released during a thermal runaway event.

A device (120, 220, 320, 520, 620) for increasing pressure between an oil pump housing (102, 702) and an oil pump cover (104, 704), the device comprising: a body (122, 221, 322, 522, 622) configured to be externally attached to at least one of the oil pump housing and the oil pump cover, the oil pump cover mounted to the oil pump housing by at least one fastener, the at least one fastener providing base pressure between a housing rim (112, 714) of the oil pump housing and a cover rim (114, 716) of the oil pump cover; and at least one force element (124, 324, 534, 634) extending from the body to exert a force proximate at least one of the housing rim and the cover rim, the force providing enhanced pressure between the housing rim and the cover rim in addition to the base pressure provided by the at least one fastener.

A computer system (100; 800) for performing a weld check in a traction voltage system (10), the computer system (10) comprising processing circuitry (102; 802) configured to: open a switch (22, 24) connected to the traction battery (20) and an electrical load (40) of the traction voltage system (10); measure a first voltage, V1, between the traction battery (20) and ground reference (30), the first voltage, V1, being measured at a battery side (10-1) of the traction voltage system (10) in relation to the switch (22, 24); measure a second voltage, V2, between the electrical load (40) and ground reference (30), the second voltage, V2, being measured at a load side (10-2) of the traction voltage system (10) in relation to the switch (22, 24); and compare the first and second voltages, V1, V2, to determine the presence of a weld in the switch (22, 24).

A combined induction-type electrical machine and braking arrangement (19) for use in a heavy vehicle (3), comprising a stator (23) coupled to a body (7) of the vehicle (3), the stator comprising stator windings; a rotor (25) coupled to at least one wheel (9) of the vehicle (3), the rotor comprising rotor conductors (31a-c; 41a-c); a current sensing arrangement (30) configured to sense induced current in at least one rotor conductor; a configuration switching arrangement (33) coupled to the current sensing arrangement (30) and the rotor conductors, and configured to switch from a first configuration, where the induced current experiences a first total resistance, to a second configuration, where it experiences a higher second total resistance, in response to a predefined first signal (49) from the current sensing arrangement (30); and a controller (29) configured to control the stator current to cause the induced current to result in the first signal.

An electrical connector for electrically connecting a first and a second conductor element, the connector comprising a bolt having a threaded outer portion arranged for insertion through an opening in the first conductor element; an adapter having an elongated body extending along an axial direction between a first and a second end portion and arranged for insertion into a cylindrical opening of the second conductor element, the cylindrical opening forming an inner contacting surface. The adaptor comprises, an engagement portion having a through hole with an internal thread for engaging with the threaded portion of the bolt, and an expandable portion having a cylindrical outer contacting surface and arranged to expand outward radially as the bolt is rotated relative to the adaptor so the cylindrical outer contacting surface is pressed against the inner contacting surface for electrical connection and to secure the relative position in the axial direction.

The disclosed technology concerns a method for providing a liquid solution from a liquid solution tank at a target pressure to an injector fluidically connected to a pump via a supply line, the pump being fluidically connected to the liquid solution tank, comprising the steps of:- Running (110) the pump at a first predefined speed;- After a first duration, measuring (120) the pressure of the liquid solution in the supply line;- If the measured pressure is lower than a threshold pressure lower than the target pressure, running (140) the pump at a second predefined speed lower than the first predefined speed;- If the measured pressure is greater than or equal to the threshold pressure, measuring (150) the pressure of the liquid solution in the supply line after a second duration;- If the measured pressure after the second duration is lower than the target pressure, stop (170) running the pump.

A system (10), comprising: a busbar (12) comprising an opening (22); an electrical connector header (14) comprising a mounting hole (26) with an internal thread (28) oriented in a first thread direction; a fastening bolt (16) comprising an external thread (30) oriented in a second thread direction opposite the first thread direction; and a tubular adapter (18) comprising an external thread (42) configured to mate with the internal thread of said mounting hole when the tubular adapter is screwed in said mounting hole, an internal thread (46) adapted to mate with the external thread of the fastening bolt when the fastening bolt is screwed into the tubular adapter by turning the fastening bolt in a turning direction (48), and at least one internal structure (50) located at a predefined longitudinal position (44) in the tubular adapter and configured to impede rotation of the fastening bolt in relation to the tubular adapter, such that the tubular adapter rotates and moves in a longitudinal direction (56) away from the electrical connector header and establishes a physical contact between a contact surface (38) of the tubular adapter and the busbar when the fastening bolt is turned in said turning direction and rotation of the fastening bolt in relation to the tubular adapter is impeded by said at least one internal structure.

This brake circuit (100) for a road vehicle (10) comprises rear wheels (18), which are associated to parking brake actuators (102) controlled by a parking relay valve (104), and front wheels (16), which are each associated front brake actuators (112) controlled by a regulation device (114). The brake circuit includes a standstill control unit (120), which comprises a first input port (122A), configured to receive a first control signal (S122) representative of a state, active or inactive, of the parking relay valve (104), at least one additional input port (123) configured to receive an additional control signal (S123) representative of a state of the vehicle, including whether the engine (19) is running, and a first output port (122B), which is connected to the regulation device. The standstill control unit is configured to generate a control signal (S115) for controlling the regulation device, so that, in turn, the regulation device delivers a positive pressure to the front brake actuators, depending on whether the parking relay valve is in the inactive state, and whether the engine is running.

The disclosed technology concerns a method to shut down an internal combustion engine further to a shutdown signal, said internal combustion engine comprising at least one exhaust valve configured to evacuate exhaust gas from the combustion and a compression brake device configured to open said exhaust valve when activated, and an oil circuit fluidically connected to the exhaust valve to provide oil at a predefined oil pressure, said method comprising the steps of, after receiving (100) the shutdown signal by the control unit: - if the oil pressure (Poil) is greater than or equal to a pressure threshold (Pth), activating the compression brake device (110) during the compression stroke, - if the oil pressure is lower than the pressure threshold, increasing (120) the oil pressure to the pressure threshold and activating the compression brake device during the compression stroke once the oil pressure has reached the pressure threshold.

The invention relates to a butterfly EGR valve (20) for the regulation of the flow rate of a fluid flowing in a fluid passage (31) comprising a valve body (202) pivotable about a rotation axis (X), the valve body (202) having a first valve plate (203) and a second flexible valve plate (204) pivotally connected thereto, and urging means (205) keeping the second flexible valve plate (204) disposed at an angular distance from the first valve plate (203), the angle (α) between the plane defined by the second valve plate (204) and the plane defined by the first valve plate (203) being less than or equal to 180°, the valve body (202) being able to move at least in the successive positions: - a fully opened position, in which the fluid flows through the fluid passage (31) without being interrupted, - a partially closed position, in which the fluid flows through the fluid passage (31) through a reduced aperture defined by the first valve plate (203), - a fully closed position, in which the fluid cannot flow through the fluid passage (31).

An engine system (10) and an exhaust aftertreatment system (20) arranged in an exhaust flow path (26) of a hydrogen combustion engine (15), comprising: a selective catalytic reduction device (40) configured to reduce nitrogen oxides; a hydrogen and ammonia slip catalyst device (50) arranged downstream of the SCR device (40) in the exhaust flow path (26), the HASC device (50) comprising an oxidation catalyst coating (52) and a metal-zeolite coating (53), a loading of the metal-zeolite coating (53) decreasing along a direction of flow (D); and a particulate filter (60) arranged downstream of the HASC device. In response to determining that the temperature of the HASC device is below a threshold, the engine system (10) is operated with a relatively high percentage of water in the engine out exhaust gases, whereby water is adsorbed on the metal-zeolite coating and a quick temperature rise is achieved.

The disclosed technology concerns an EGR circuit (10) of an internal combustion engine (11) comprising an inlet (12) and exhaust (13) manifold for collecting exhaust gas, said EGR circuit being configured to evolve between a flowing configuration, in which exhaust gas is allowed to flow through it, and a closed configuration, in which the exhaust gas flow through it is prevented, and comprising:- An EGR mixer (20) fluidically connected to the inlet manifold, and configured to mix exhaust gas and air,- An EGR cooler (30),- An exhaust pipe (31) fluidically connecting the exhaust manifold (13) to the EGR cooler,- An intermediate pipe (32) fluidically connecting the EGR cooler to the EGR mixer,- A first EGR valve (33) mounted in the exhaust pipe, to adjust and/or prevent the exhaust gas flow.