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Volvo Truck Corporation patents


Recent patent applications related to Volvo Truck Corporation. Volvo Truck Corporation is listed as an Agent/Assignee. Note: Volvo Truck Corporation may have other listings under different names/spellings. We're not affiliated with Volvo Truck Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Volvo Truck Corporation-related inventors


A turbocharger unit

An engine structure forming an adapter for connecting a turbocharger unit to a cylinder block of an internal combustion engine includes a set of attachment arrangements for fastening the turbocharger unit to the cylinder block via the engine structure such that the engine structure is positioned in between the turbocharger unit and the cylinder block. The engine structure includes at least one fluid channel extending in a bent manner from a first surface of the engine structure to a second surface of the engine structure.. ... Volvo Truck Corporation

Valve seat insert

A valve seat insert for an internal combustion engine has a first portion that is adapted to contact a cylinder head and a second portion that is adapted to contact a valve. The valve seat insert has a valve seat insert volume. ... Volvo Truck Corporation

A method and system for optimizing the lifetime of an energy storage system

A method is provided for optimizing the operating lifetime of an energy storage system including a battery pack with a plurality of battery cells. The method includes: measuring the temperature of the battery pack by means of a sensor unit; and measuring at least one further parameter representing an indication of the operating lifetime of the battery pack. ... Volvo Truck Corporation

Fuel pump assembly

A fuel pump assembly for pressurizing fuel such as dimethyl ether (dme). The fuel pump assembly includes a plunger assembly and a pump block defining a pumping chamber and a plunger assembly cavity in communication with the pumping chamber. ... Volvo Truck Corporation

A vehicle speed control system

A vehicle speed control system includes a vehicle accelerator mechanism manually moveable between a plurality of positions, a detection arrangement configured to detect the position of the vehicle accelerator mechanism and to generate an output signal indicative of the position of the vehicle accelerator mechanism, a vehicle speed controller configured to establish a speed of the vehicle as a function of the detected position of the manually controllable vehicle accelerator mechanism, and to use the output signal as an input speed control signal. Moreover, the vehicle speed controller is further configured to be operably activated by a user and to operate any one of a clutch unit, propulsion unit and service brake, wherein, when the vehicle speed controller is operably activated by the user to use the output signal as an input speed control signal, the vehicle speed controller is further configured to be operated by the user to control the speed of the vehicle by an operation of any one of the clutch unit, the propulsion unit and the service brake, allowing the user to manually control the speed of the vehicle as a function of the position of the vehicle accelerator mechanism. ... Volvo Truck Corporation

Method of controlling inter-vehicle gap(s) in a platoon

A method of controlling inter-vehicle gap(s) in a platoon that includes a lead vehicle and one or more following vehicles includes the steps of: obtaining an indicator of a potential collision threat identified by an autonomous emergency braking system of the lead vehicle, wherein the autonomous emergency braking system of the lead vehicle includes pre-defined control phases, and wherein the indicator at least partly determines a current control phase of the autonomous emergency braking system; and sending the obtained indicator to the one or more following vehicles.. . ... Volvo Truck Corporation

An exhaust gas pressure regulator for a combustion engine

An exhaust gas pressure regulator for a combustion engine includes a regulator housing and an inner diffuser assembly arranged inside the regulator housing so that an exhaust gas flow duct is formed between an inner surface of the regulator housing and an outer surface of the inner diffuser assembly. The inner diffuser assembly includes a front portion and a regulating piston that is moveable relative to the front portion and the regulator housing between an idle position in which the exhaust gas flow duct is open, and a pressurized position in which the regulating piston at least partly closes the exhaust gas flow duct. ... Volvo Truck Corporation

Vehicle guidance system

A system and method for guiding an articulated vehicle having at least a first section and a second section includes one or more sensors positioned separately from the vehicle and adapted to detect the positions of and the angle between the first and second sections. The system also may include one or more position sensors located on the vehicle. ... Volvo Truck Corporation

Method of controlling inter-vehicle gap(s)

A vehicle is configured to perform the steps of: obtaining an indicator of a potential collision threat identified by an autonomous emergency braking system of the vehicle, wherein the autonomous emergency braking system of the vehicle comprises pre-defined control phases, and wherein the indicator at least partly determines a current control phase of the autonomous emergency braking system; and sending the obtained indicator to one or more following vehicles.. . ... Volvo Truck Corporation

A method for monitoring the status of a plurality of battery cells in a battery pack

A method is provided for monitoring the status of a plurality of battery cells in a battery pack the method including: arranging the battery cells in at least two groups of cells; connecting the groups of cells to a sensor unit; and obtaining, by means of the sensor unit, at least one sensor measurement for each group which is indicative of the state of operation of the battery pack. The method according to the invention further includes: determining a cell measurement for each battery cell by means of an over-determined equation system which defines the cell measurement as a function of the sensor measurement; and evaluating any residual terms resulting from the equation system in order to identify any battery cell having a cell measurement which deviates from an expected value based on the remaining battery cells. ... Volvo Truck Corporation

Method for controlling a multi-clutch transmission

A method is provided for controlling a multi-clutch transmission of a vehicle, wherein the clutch transmission is adapted to be shifted either with a power shift or a power cut shift dependent on predetermined vehicle variables. The method includes detecting a power shift to a higher gear in low range gear, wherein if power shift to a higher gear in low range gear has been detected the method overrules the previously set gear shift strategy and controls the multi-clutch transmission such that a forthcoming gear shift is performed as a power shift.. ... Volvo Truck Corporation

A method for controlling the injection of reductant for an exhaust after treatment unit

A method is provided for controlling the injection, by a reductant injector in an exhaust system for an internal combustion engine, of reductant for an exhaust aftertreatment unit of the exhaust system, for example a selective catalytic reduction (scr) unit. The method includes determining a reductant injection debt in dependence on a reductant flow according to at least a first request being higher than a threshold of the reductant flow, and, at least partly in dependence on the reductant injection debt, controlling the reductant injector so as to inject a compensation flow.. ... Volvo Truck Corporation

A method for modeling a compressor speed

A method is provided for modeling the compressor speed of a turbocharger, and includes determining the temperature difference across the compressor, determining the mass flow through the compressor, and calculating a compressor speed value as a function of the temperature difference across the compressor and the mass flow.. . ... Volvo Truck Corporation

Volvo Truck Corporation

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02/22/18 / #20180050671

Sliding-type heel pad with height adjustment function

A sliding-type heel pad with height adjustment function includes: a pad main body having an upper surface that varies in height from a floor panel inside a vehicle cabin depending on a position at which a driver touches the pad main body by heel; a sliding mechanism for moving the pad main body toward or away from a pedal disposed inside the cabin; and a stopper mechanism for restricting sliding movement attic pad main body by the sliding mechanism.. . ... Volvo Truck Corporation

02/15/18 / #20180046161

Method and arrangement for providing redundancy in a vehicle electrical control system

An arrangement is provided for providing redundancy in a vehicle electrical control system, including a plurality of electronic control units connected to each other through a first data bus, and where each electronic control unit is connected to one or more i/o-units through a separate second data bus, where each second data bus is provided with a separate transceiver which allows communication between an electronic control unit and an i/o-unit, and where the arrangement includes a programmable switch arranged between the electronic control units and the transceivers, where the programmable switch is adapted to interconnect each transceiver with a selected electronic control unit. A transceiver may be reconnected to a new ecu in an easy way, when the ecu to which the transceiver was originally connected to breaks down, which allows the new ecu to access the i/o-units of the broken ecu and which in turn provides an effective redundancy for the electrical control system.. ... Volvo Truck Corporation

02/15/18 / #20180045787

Estimation of battery parameters

A system and a method are for estimating an operating parameter value of an energy storage device arranged to provide power for propulsion for an electric or hybrid vehicle. In an embodiment, the method includes determining a first operating parameter value of the energy storage device at a first time; establishing a reference operating parameter value from pre-determined experimental data relating the operating parameter to a time related parameter; and based on the reference operating parameter value and the first operating parameter value, recursively calculating a second operating parameter value of the energy storage device at a second time subsequent to the first time. ... Volvo Truck Corporation

02/15/18 / #20180045075

An engine arrangement

An engine arrangement includes a first engine unit, a second engine unit and at least one member for fastening the second engine unit to the first engine unit. The first unit and the second unit include fluid ports for achieving a fluid flow between the first and second unit. ... Volvo Truck Corporation

02/08/18 / #20180041061

Three phase charger accommodating wide input voltage range with flexible single phase input options

A system for charging a battery from various three phase or single phase grid supply voltages includes a full wave bridge rectifier for receiving the ac supply voltage, two dc to dc converters for receiving unregulated dc output voltage from the rectifier, a first switch connected to a first input line of a first one of the two converters and a second switch connected to a first input line of a second one of the two converters, wherein each of the switches is set to a first position when the supply voltage is at a lower one of the varying voltage levels and to a second position when the supply voltage is at a higher one of the varying voltage levels.. . ... Volvo Truck Corporation

02/08/18 / #20180040448

Fuse positioning fixture

A fuse positioning fixture includes a fuse positioning template and a fuse loading block. The fuse positioning template includes a number of fuse positioning openings. ... Volvo Truck Corporation

02/08/18 / #20180038240

A turbine system

A turbine system for recovering energy of exhaust gases of an internal combustion engine is provided. The turbine system includes a first turbine device, a second turbine device, and a flow control valve for bypassing exhaust gases passed the second turbine device. ... Volvo Truck Corporation

01/18/18 / #20180015949

Twisted bar for attaching a steering cylinder of a vehicle to a wheel axle, vehicle comprising such a bar and process for manufacturing such a bar

A bar is designed for attaching a steering cylinder of a vehicle to a wheel axle. The bar is twisted around its longitudinal axis. ... Volvo Truck Corporation

01/11/18 / #20180009310

Electric propulsion system for a vehicle

A vehicle provided with an electric propulsion system and a method for controlling the electric propulsion system are provided. The system includes a first electrical motor (em1) connected via first electrical connections (ec1) to an on-board energy storage system (ess1) and drivingly connected to wheels. ... Volvo Truck Corporation

01/04/18 / #20180001889

A vehicle assistance system

A vehicle assistance system for a vehicle is provided. A corresponding computer implemented method and computer program product are also provided.. ... Volvo Truck Corporation

01/04/18 / #20180001724

A bush pin, a bracket and a mounting assembly for a v-stay for a vehicle

A bush pin is provided for a v-stay presenting two arms adapted to structurally connect an axle casing for a vehicle wheel axle to a respective of a left and right vehicle frame member, including a central bush portion and a fastening portion on each side of the central bush portion, wherein each of the fastening portions is adapted to be connected to a bracket by a fastening arrangement, wherein the bush pin includes a first contact surface on each side of the central bush portion, and displaced from the fastening portions, for contacting a corresponding contact surface of the bracket in order to transfer loads.. . ... Volvo Truck Corporation

12/21/17 / #20170361729

Method and arrangement for determining a value of the state of energy of a battery in a vehicle

Disclosed is a method for determining a value of the state of energy of a rechargeable battery in a vehicle, the battery being connected to an electric consumer; the method including: determining the state of charge as a measure of the present capacity of the battery; and determining the state of energy as an indication of at least the remaining charge and discharge energy of the battery. The disclosed method further includes: calculating and determining the value of the state of energy based on at least one parameter which is related to the operation of the electric consumer and where the at least one parameter varies depending on a mode for operating the vehicle or electric consumer during charging or discharging of the battery. ... Volvo Truck Corporation

12/21/17 / #20170361707

Method and device for tandem- or multiple-axle drive for a vehicle

A wheel suspension system and a method for controlling the system. The wheel suspension system includes a first axle provided with wheels and a second axle provided with wheels. ... Volvo Truck Corporation

12/14/17 / #20170355329

A fastening device for securing elongated vehicle components

A fastening device is provided for securing a plurality of elongated vehicle components to a first side of a vehicle structural member. The fastening device includes a first elongated strap member configured to form a loop around a first bundle of the elongated vehicle components, and a head member configured to be positioned on a second side of the vehicle structural member opposite the first side. ... Volvo Truck Corporation

12/07/17 / #20170352203

Method and device for controlling an electric or a hybrid electric vehicle

A method is provided for controlling electrical components in a vehicle including multiple traction voltage systems, wherein each traction voltage system includes at least one electrical component, and which electrical component has the same function in each traction voltage system, the method involving the steps of monitoring and registering the state of health of each electrical component over time; predicting a predetermined parameter for each electrical component, which parameter is related to a future operating state inhibiting the use of the components; determining a control strategy for each electrical component based on the state of health of the electrical components to balance the parameters towards a common value; and controlling the electrical components based on the determined control strategy.. . ... Volvo Truck Corporation

12/07/17 / #20170350292

Exhaust purification device for engine

An exhaust purification device for an engine facilitates thawing of a urea aqueous solution, which is frozen in a reducing agent tank of an exhaust purification device, more rapidly. When a urea aqueous solution in a reducing agent tank is frozen at a time of starting an engine, at least a part of the urea aqueous solution to be supplied to an injection nozzle is flown into a reducing agent circulation flow path, a part of which is adjacent to a heat source, and the urea aqueous solution thus heated is returned to the reducing agent tank.. ... Volvo Truck Corporation

11/30/17 / #20170341688

Adjustable bunk and vehicle equipped with the same

An adjustable bunk is adapted for trucks or other vehicles equipped with a sleeping compartment. The bunk has a front end and a foot extremity and includes at least a first segment, pivotally connected to a second segment, by a supple connection, wherein the first segment may be in a horizontal position or in a non-horizontal position, while the second segment remains in a horizontal position. ... Volvo Truck Corporation

11/30/17 / #20170341656

Method and device for operating a powertrain of a motor vehicle

A method and device for operating a powertrain of a motor vehicle are provided, wherein the powertrain includes an internal combustion engine, a transmission and a friction clutch arranged there between in order to control a power flow between the internal combustion engine and the transmission. The method includes the steps of detecting clutch judder, analysing clutch judder, and determining a type of clutch judder. ... Volvo Truck Corporation

11/30/17 / #20170341527

A method and device for charging an electric energy storage system in a vehicle

A device/method for the control of a charge operation and the state of charge (soc) of an electrical energy storage system (ess), e.g. A battery, that includes a multitude of cells is provided. ... Volvo Truck Corporation

11/30/17 / #20170341479

Vehicle suspension comprising a leaf spring assembly

A vehicle suspension arrangement includes a leaf spring assembly with at least two leaf springs which are arranged, during use in a vehicle, with a longitudinal extension generally coinciding with the longitudinal extension of said vehicle; the suspension arrangement includes a spring clamping unit connecting the leaf springs to an axle in the vehicle; and wherein each of the leaf springs includes end sections which are configured to be fastened in a vehicle chassis. Furthermore, the spring clamping unit includes a spacer component which is configured for separating the leaf springs in a vertical or horizontal direction.. ... Volvo Truck Corporation

11/23/17 / #20170335758

A turbocharger, and a method for manufacturing a turbocharger

A turbocharger having a swing vane nozzle assembly—vgt—is provided. The turbocharger includes a turbine housing and a bearing housing. ... Volvo Truck Corporation

11/23/17 / #20170335752

Uniflow engine with fluid flow arrangement

A uniflow engine includes a cylinder having a cylinder wall, an inlet channel, an extension of a central axis of the inlet channel first intersecting the cylinder wail in a first portion of the cylinder and next intersecting the cylinder wail in a second portion of the cylinder opposite the first portion of the cylinder, an intake air gallery, the intake air gallery having a gallery wall and being in flow communication with the inlet channel, and a plurality of intake ports extending between the cylinder wail and the gallery wall, at least some of the intake ports having different areas at the cylinder wall measured perpendicular to longitudinal axes of the intake ports, and wherein an area of at least one in take port in the first portion of the cylinder is larger than an area of at least one intake port in the second portion of the cylinder.. . ... Volvo Truck Corporation

11/09/17 / #20170320488

Method and arrangement for improving manoeuvrability of a vehicle combination

An arrangement for improving manoeuvrability of a vehicle combination that includes a first vehicle unit, a second vehicle unit and a third vehicle unit interconnected by articulated joints, where the vehicle combination includes two driven axles and where each driven axle can be controlled independently, an arrangement for determining the articulation angel between the vehicle units, an arrangement for determining a steering wheel angle of the vehicle combination, an arrangement for determining the speed of the vehicle combination, an arrangement for determining the yaw rate of the vehicle units, and an arrangement for determining a delay value between the steering wheels of the vehicle combination and at least one articulated joint, where the arrangement is adapted to control a desired articulation angle of the articulated joints by coordinating the force ratio between the two driven axles by using the determined yaw rate of the vehicle units and the determined delay value.. . ... Volvo Truck Corporation

11/09/17 / #20170320481

A hybrid vehicle and a method for energy management of a hybrid vehicle

A hybrid vehicle includes a drive train, an electrical energy source coupled to the drive train and electrically connected to an electric energy storage device having a state-of-charge, and a non-electrical energy source coupled to the drive-train. A convexification model for the vehicle is used for determining at least one control parameter for operating the vehicle. ... Volvo Truck Corporation

11/09/17 / #20170320014

Electrostatic fluid injection system

A fluid injection system includes a mixing chamber locatable in an exhaust gas conduit upstream of a selective catalytic reduction device for providing an exhaust gas flow path and space for receiving injected fluid, an injector with a plurality of bundled capillary tubes each having an inlet configured to receive a fluid for injection into the chamber and an outlet wherein the injector is mounted on the chamber with the tube outlets in fluid communication with the chamber space, a base plate disposed in the chamber spaced from and aligned with the bundled tubes, a voltage supply connected to the tubes and to the base plate for providing a charge to the tubes and to the base plate to create an electric field to the fluid in the tubes, and a valve disposed on a wall of the chamber for at least one of priming and purging of the tubes.. . ... Volvo Truck Corporation

10/26/17 / #20170306813

An oil pump assembly for a vehicle lubrication system

An oil pump assembly is provided for a vehicle lubrication system including a pumping device, the oil pump assembly presenting an outlet leading from the pumping device, and an inlet leading to the pumping device, the oil pump assembly further including a relief valve presenting a valve chamber arranged to communicate via an outlet relief passage with the outlet, and to communicate via a relief deposit passage with a relief deposit location, the relief valve further including a plunger located in the valve chamber, the plunger being movable between a closed position, in which communication between the outlet relief passage and the relief deposit passage is prevented, and an open position, in which communication between the outlet relief passage and the relief deposit passage is provided, the oil pump assembly further including a control valve for controlling the relief valve, and a control passage adapted to provide a communication between the outlet and the control valve via the valve chamber.. . ... Volvo Truck Corporation

10/26/17 / #20170306797

A turbocharger flange

A turbocharger flange includes a mounting face for attaching a turbocharger to a manifold, wherein the mounting face includes a guiding structure for guiding the flange to an operative position in relation to the manifold.. . ... Volvo Truck Corporation

10/26/17 / #20170305431

A method to control a powertrain in a vehicle

A method to control a powertrain in a vehicle during an acceleration is provided, the powertrain including a propulsion unit, a multi-clutch transmission drivingly connected to the propulsion unit, and a control unit for controlling at least the powertrain components, which control unit is provided with a prediction model including at least one simulated shift sequence for the multi-clutch transmission. The method involves monitoring at least one operating parameter of the powertrain; estimating the time (te) between initiation of a first power upshift and initiation of a sequential second power upshift using the prediction model; and, if the estimated time is shorter than a predetermined time limit (tlim), controlling the propulsion unit to limit the vehicle acceleration so that the time between the first and second power upshifts is increased to be at least equal to the predetermined time limit (tlim).. ... Volvo Truck Corporation

10/26/17 / #20170305222

Wheel suspension with centrally pivoted transverse leaf spring

A wheel suspension arrangement is provided for a vehicle having a longitudinal direction, a transverse direction and a vertical direction. The wheel suspension arrangement includes a wheel holder for supporting a vehicle wheel. ... Volvo Truck Corporation

10/12/17 / #20170292577

A braking arrangement and an attachment member

A braking arrangement includes a brake liner, a backing plate and an attachment member for interconnecting the brake liner to the backing plate, wherein the brake liner includes a recess in a surface facing the backing plate, wherein the backing plate includes a through hole associated to the recess of the brake liner; wherein the attachment member includes a first portion engaging the recess of the brake liner, wherein the attachment member further includes a second portion extending from the first portion of the attachment member and forming a one-piece unit with the first portion, and in that the second portion extends into the through hole of the backing plate and engages with the backing plate. An attachment member and a method for interconnecting a brake liner to a backing plate by an attachment member are also provided.. ... Volvo Truck Corporation

10/05/17 / #20170284224

A method and system for preventing oil escape

A method is provided for preventing oil escape into an exhaust gas during operation of a turbocharged engine. The method includes providing pressurized fluid to an area sealing off a bearing housing of an axial turbine unit from an adjacent exhaust conduit downstream of the axial turbine unit, and detecting a malfunction in the provision of pressurized fluid. ... Volvo Truck Corporation

10/05/17 / #20170282922

Method to control reaction force of an accelerator pedal system

A method is provided to control the acceleration of a motor vehicle from a current speed, wherein the motor vehicle includes an accelerator pedal system able to generate on the accelerator pedal an added reaction force when the depression of the accelerator pedal reaches a given depression level. The method includes the steps of: a) measuring the current vehicle speed; b) determining a target speed of the motor vehicle in function at least of the current vehicle speed or determining from the current vehicle speed a maximum acceleration rate; c) determining at least one threshold depression level of the accelerator pedal that corresponds to the stabilization of the vehicle speed at the target speed or that corresponds to maximum acceleration rate; d) generating an added reaction force on the accelerator pedal if the depression of the accelerator pedal reaches or is about to reach the threshold depression level; wherein at least steps a), b), and c) are automatically repeated as vehicle speed increases.. ... Volvo Truck Corporation

09/28/17 / #20170276112

Injection system of an internal combustion engine and automotive vehicle including such an injection system

A fuel injection system of an internal combustion engine includes: an injector having a hydraulic control chamber controlling the delivery of fuel through the injector, an actively controlled first valve system controlling the pressure relief from the control chamber, movable between: a first position in which the first valve system closes the injector by deterring the pressure from being relieved from the control chamber through the first relief circuit, and a second position in which the first valve system opens the injector by allowing the pressure to be relieved from the control chamber through the first relief circuit. A second relief circuit allows the pressure to be relieved from the control chamber through the second relief circuit. ... Volvo Truck Corporation

09/28/17 / #20170274889

Method performed by a control unit to control energy flows of a vehicle

A method performed by a control unit for managing energy flows within an energy system of a vehicle is provided. The energy system includes a plurality of energy subsystems connected by converters. ... Volvo Truck Corporation

09/21/17 / #20170267191

Self-fastened bracket for mounting a wire harness to a support structure of a vehicle and vehicle comprising the same

A fixation arrangement adapted for mounting a wire harness on a support structure of a vehicle includes a rigid portion adapted for clamping the wire harness, and a flexible arm adapted for clamping the fixation arrangement on the support structure so as to squeeze the support structure between the flexible arm and the rigid portion.. . ... Volvo Truck Corporation

09/14/17 / #20170259858

Aerodynamic device to be fastened under a vehicle, and vehicle equipped with such an aerodynamic device

An aerodynamic device suitable to be fastened under and to extend downwards from a vehicle, near the vehicle front face includes one central spoiler having a front wall and two side walls extending rearwards from the front wall side ends, and two lateral spoilers, each lateral spoiler having a front wall as well as an outer side wall and an inner side wall each extending rearwards from a front wall side end. In the operative position of the aerodynamic device, the inner side wall of each lateral spoiler substantially faces a corresponding side wall of the central spoiler and forms a channel having a substantially longitudinal axis and having a width along a transverse direction which decreases from its front end to its rear end, so that the channel is capable of canalizing and accelerating air flowing under the vehicle substantially longitudinally from the channel front end towards its rear end.. ... Volvo Truck Corporation

09/07/17 / #20170254261

Opposed piston engine with pistons having conical recesses therein

An opposed piston engine includes a cylinder having a cylinder wall, and a pair of opposed pistons, each face of each piston of the pair of opposed pistons has a top plane and a recess formed therein, each recess comprising a first surface defining part of a cone, the cone defined by the first surface of at least one of the recesses having a longitudinal axis that defines an angle equal to at least one half of a cone angle of the cone with the top plane.. . ... Volvo Truck Corporation

08/31/17 / #20170248088

Method for controlling an air boosting apparatus in a two-stroke, opposed piston engine, and a two-stroke, opposed piston engine with an air boosting apparatus

A method includes operating an air boosting apparatus of a two-stroke, opposed piston engine as a function of one or more factors including a first engine speed, a first torque, demand, a first altitude, a first transient rate, and one or more first ambient conditions to provide a first pressure s ratio (pr} of pre-turbine pressure (ptp) versus turbocharger compressor discharge pressure (cdp} and a first air-to-fuel ratio (afr).. . ... Volvo Truck Corporation

08/24/17 / #20170241330

A turbocompound unit

A turbocompound unit for converting energy of an exhaust gas from an internal combustion engine to torque increase of a crankshaft of the internal combustion engine includes a turbine arrangement and an arrangement configured to operatively connecting the turbine arrangement to the crankshaft is a hydrodynamic coupling and freewheeling arrangement. The turbocompound unit further includes a brake arrangement, wherein the brake arrangement and the freewheeling arrangement are located on an opposite side of the hydrodynamic coupling in relation to the turbine arrangement.. ... Volvo Truck Corporation

08/24/17 / #20170241304

A valve arrangement

A valve arrangement for a cylinder of an internal combustion engine arrangement includes a check valve configured to be positioned at an intake side port of the cylinder for controlling gas flow into the cylinder, wherein the valve arrangement further includes an intake valve arrangement positioned upstream from the check valve, and an actuating arrangement configured to controllably position the intake valve arrangement for closing the intake side port.. . ... Volvo Truck Corporation

08/17/17 / #20170232971

A method for controlling a drivetrain of a vehicle comprising a multi-clutch transmission

A method is provided for controlling a drivetrain of a vehicle, wherein the drivetrain comprises a multi-clutch transmission. The gear shift of the multi-clutch transmission is adapted to be performed either by power cut shift or by power shift dependent on predetermined vehicle shift conditions. ... Volvo Truck Corporation

08/10/17 / #20170229727

An energy carrier system for a vehicle

A device and a method for providing electricity to an electric motor for propulsion of a vehicle are provided. The method comprises the features of feeding energy carriers (ec) in the shape of particles having a first oxidation state (i) from a first container on board the vehicle to an solid oxide fuel cell (sofc). ... Volvo Truck Corporation

08/10/17 / #20170225723

Self-adjusting side fairings

The present invention relates to a self-adjusted side fairing assembly including a first side faring, a second side fairing, and biasing members. The first side fairing is adapted to be located at a trailing edge of a body on a lead vehicle. ... Volvo Truck Corporation

08/03/17 / #20170218799

Two stroke, opposed piston engine with compression release brake arrangement and method

A two-stroke, opposed-piston engine includes a cylinder with an inlet piston controlled inlet port and an exhaust piston controlled exhaust port, the cylinder defining a combustion chamber with the inlet piston and the exhaust piston, a charge air channel in flow communication with the inlet port, a conduit extending directly from the combustion chamber to the charge air channel, and a valve arranged to selectively open and close flow communication through the conduit.. . ... Volvo Truck Corporation

08/03/17 / #20170217303

Electric or hybrid electric vehicle having multiple drive units arranged in separate parts of the vehicle

An articulated vehicle having at least two vehicle parts which are connected to and articulated relative to each other is provided. The vehicle includes a front vehicle part and at least one rear vehicle part arranged behind the front vehicle part with respect to a longitudinal direction of the vehicle. ... Volvo Truck Corporation

07/27/17 / #20170211690

A method for controlling an actuator of a vehicle transmission

A method is provided for controlling an actuator of a vehicle transmission, the actuator being connected to an engaging sleeve, the engaging sleeve being axially displaceable between a gear wheel disengaging position and a gear wheel engaging position of the vehicle transmission for executing a transmission gear shift. The method includes actuating the actuator during a first predetermined time period for initiating a translational movement of the engaging sleeve front the gear wheel disengaging position towards the gear wheel engaging position, wherein the first predetermined time period is smaller than a total time period for the engaging sleeve to reach the gear wheel engaging position, determining, during a second predetermined time period initiated after the duration of the first predetermined time period, if the engaging sleeve has reached the gear wheel engaging position, and actuating the actuator during a third predetermined time period if it was determined that the engaging sleeve failed to reach the gear wheel engaging position during the second predetermined time period. ... Volvo Truck Corporation

07/20/17 / #20170204842

Reciprocating machine with cylinder having collector groove

A reciprocating machine incitides a cylinder including an internal cylinder wail, a piston movable in the cylinder between a top position and a. Bottom position, the piston, comprising an upper ring pack and a lower ring pack disposed around a circumference of the piston and spaced from each other by a first distance, and a circumferential collector groove in the cylinder wall in a position that is above the lower ring pack when the piston is in the top position and that is below the upper ring pack when the piston is in the bottom position, the collector groove including at least” one hole eonneciabie to a conduit for comieciion to a sump. ... Volvo Truck Corporation

06/15/17 / #20170167366

An internal combustion engine

An internal combustion engine includes a first low-pressure cylinder housing a first low-pressure piston, and a first high-pressure cylinder housing a first high-pressure piston, the first high-pressure cylinder being arranged in upstream fluid communication with the first low-pressure cylinder for providing exhaust gas into the first low-pressure cylinder. The internal combustion engine further includes a second low-pressure cylinder housing a second low-pressure piston, the second low-pressure cylinder being arranged in upstream fluid communication with the first high-pressure cylinder for providing compressed gas into the first high-pressure cylinder, and a second high-pressure cylinder housing a second high-pressure piston, the second high-pressure cylinder being arranged in downstream fluid communication with the first low-pressure cylinder for receiving compressed gas from the first low-pressure cylinder, and further arranged in upstream fluid communication with the second low-pressure cylinder for providing exhaust gas into the second low-pressure cylinder.. ... Volvo Truck Corporation

06/01/17 / #20170152766

A waste heat recovery device

A device for recovery of waste heat generated during operation of an internal combustion engine includes a thermodynamic engine, which includes a working fluid circulation circuit and is configured for recovery of the waste heat a first arrangement for providing a first coolant from a first source for heat exchange with the working fluid in the working fluid circulation circuit, and at least one further arrangement for providing a further coolant from a further source for heat exchange with the working fluid in the working fluid circulation circuit, wherein the further source is at different heat level than the first source during operation of the internal combustion engine.. . ... Volvo Truck Corporation

05/18/17 / #20170138242

Heat exchanger system for treatment of a flow of exhaust gases in an exhaust gas aftertreatment system

A heat exchanger system for treatment of a flow of exhaust gases in an exhaust gas aftertreatment system of a vehicle. The heat exchanger system includes a nitrogen monoxide (no) oxidation site for oxidising nitrogenmonoxide to nitrogen dioxide (no2). ... Volvo Truck Corporation

05/18/17 / #20170138221

Exhaust gas system

An exhaust gas system includes an arrangement for conveying an exhaust gas stream and a thermodynamic engine connected to the exhaust gas stream conveying arrangement for recovery of heat from the exhaust gas stream. The thermodynamic engine includes a working fluid circulation circuit. ... Volvo Truck Corporation

05/11/17 / #20170130633

Exhaust gas arrangement

An exhaust gas arrangement includes an exhaust gas system for conveying an exhaust gas stream. The exhaust gas system includes a turbine and an exhaust gas treatment system. ... Volvo Truck Corporation

05/11/17 / #20170130612

System for a heat energy recovery

A system is provided for heat energy recovery in a vehicle including an internal combustion engine, such as a diesel engine, and a corresponding method is provided for operating such a system.. . ... Volvo Truck Corporation

05/11/17 / #20170129467

An arrangement and method for supporting a cruise control brake in a vehicle

A cruise control arrangement for a vehicle is provided with a cruise control brake function that is set to a brake cruise speed. The cruise control arrangement is adapted to activate at least one auxiliary brake when the vehicle speed reaches the set brake cruise speed, and at the same time to apply a service brake of the vehicle to keep the speed of the vehicle at the set brake cruise speed, and is further adapted to decrease the brake power of the service brake at the same time as the brake power of the at least one auxiliary brake increases, such that the speed of the vehicle is kept at the set brake cruise speed. ... Volvo Truck Corporation

05/04/17 / #20170124783

A method and arrangement for controlling charging of an electrical storage system in a vehicle

A method is provided for controlling charging of an electric energy storage system in a vehicle including an electric machine which is arranged for propulsion of the vehicle. The method includes initiating the charging upon connection of the energy storage system to an external power supply via a first connector element associated with the vehicle and a second connector element associated with the external power supply, and monitoring a contact resistance defined by the connection of the connector elements. ... Volvo Truck Corporation

05/04/17 / #20170122199

Two-stroke opposed piston internal combustion engine

A two-stroke opposed piston internal combustion engine including a plurality of cylinders, each cylinder being provided with a first piston and a second piston adapted to perform opposed motions in the cylinder, each cylinder being provided with at least one intake port, a communication between an air intake arrangement and the cylinder via the intake port being dependent on the position of the first piston, each cylinder further being provided with at least one exhaust port, a communication between an exhaust guiding arrangement and the cylinder via the exhaust port being dependent on the position of the second piston, at least one of the cylinders being provided with an additional port and an additional port valve, a communication between the cylinder and an additional conduit externally of the cylinder, via the additional port, being controllable with the additional port valve, the air intake arrangement including at least one intake valve for selectively reducing or inhibiting air admittance to at least one of the cylinders.. . ... Volvo Truck Corporation

05/04/17 / #20170122131

Internal combustion engine system with heat recovery

An internal combustion engine system with heat recovery includes an internal combustion engine with a waste heat passage, an electric motor, a heat recovery assembly including a working fluid circulation circuit with a working fluid, a first heat source which is adapted to be heated by the waste heat passage and adapted to heat the working fluid, and an expander engine, which is operated by the heated working fluid, and a splitting device, which is connected to the electric motor and is adapted to be connected to a drivetrain of a vehicle and which splitting device is further connected to the expander engine, so that the expander engine is enabled to drive the drivetrain and/or the electric motor. The internal combustion engine system further includes at least a second heat source for providing heat to the heat recovery assembly. ... Volvo Truck Corporation

04/27/17 / #20170113670

Method for piloting a braking system of a vehicle, braking system and vehicle comprising such a braking system

A method allows piloting a braking system of a vehicle, the braking system including at least a pair of coupled brake actuators, that includes a pneumatic actuator supplied with a compressed air tank pressurized by a compressor, and an electric actuator. The method includes steps including a) measuring the air pressure of the air tank, b) if the air pressure measured at step a) is inferior to a first threshold value, assessing whether the compressor is able to build up the air pressure of the air tank, c) if the result of the assessment performed at step b) is that the compressor is unable to build up the air pressure of the air tank, operating the braking system in a degraded mode wherein at least the electric actuator is used in case of braking, and d) if the air pressure measured at step a) is inferior to a second threshold value, that is lower than the first threshold value, and if the compressor is unable to build up the air pressure of the air tank, using only the electric actuator in case of new braking actions.. ... Volvo Truck Corporation

04/20/17 / #20170110021

A vehicle driver feedback system and corresponding method

A vehicle driver feedback system includes a control unit and a display unit. The control unit is arranged for registering a driver-influenced vehicle driving parameter and the display unit is positioned in the vehicle and arranged for displaying information to the vehicle driver. ... Volvo Truck Corporation

04/13/17 / #20170101105

A method for controlling a drivetrain of a vehicle

A method is provided for controlling a drivetrain of a vehicle, wherein the drive train includes a combustion engine in drive connection with a dual clutch transmission, wherein the dual clutch transmission is provided with a normally closed input clutch, a normally open input clutch. Wherein the normally dosed input clutch connecting the combustion engine with a first input shaft and the normally open input clutch connecting the combustion engine with a second input shaft and the first input shaft is in operative connection with a connection sleeve, wherein the connection sleeve can be arranged in an engaged and a disengaged position, whereby in the engaged position the connection sleeve enables an operative connection between the first input shaft to a gearwheel and in the disengaged position gearwheel is disconnected from the first input shaft and the connection sleeve is in a disengaged position when the drivetrain is turned off, wherein the method is automatically initiated at start of the drivetrain, and including the steps of; starting the combustion engine, controlling the normally open and the normally closed input clutch to an engaged or semi engaged state such that both the first and the second input shaft reaches a predetermined synchronised speed, and thereafter opening the normally closed input clutch, and when the countershaft sleeve reaches an essentially synchronous speed with the gearwheel engaging the connection sleeve.. ... Volvo Truck Corporation

03/16/17 / #20170074945

A method and system for monitoring the status of battery cells

A method for monitoring the status of a plurality of connected battery cells in a battery pack includes: arranging the battery cells in at least two groups of cells; connecting the groups of cells to a sensor unit; and providing a measurement of at least one parameter indicative of the state of operation of the battery pack by the sensor unit. The method further includes arranging the groups of cells m a manner so that at least two of the groups include two or more cells and at least two of the groups overlap so that a cell forms part of the overlapping groups; and connecting the sensor unit to the groups; and wherein the number of groups is less than the number of cells.. ... Volvo Truck Corporation

03/09/17 / #20170067967

Method for determining the reliability of state of health parameter values

A method is provided for determining the reliability of state of health parameter values for a battery including a plurality of battery cells, the method including the steps of receiving, for a state of health parameter, a plurality of measured parameter values for the battery, comparing the measured parameter values with at least one predetermined parameter criterion; and determining that the measured state of health parameter values are reliable if the state of health parameter values fulfil the at least one predetermined parameter criterion. A corresponding system, computer program, and computer readable medium are also provided.. ... Volvo Truck Corporation

03/09/17 / #20170067391

Combustion chamber for an internal combustion engine and an internal combustion engine

An engine includes a combustion chamber including a cylinder wall defining a cylinder, a fuel injector disposed in a first opening in the cylinder wall and a piston head disposed in the cylinder. A piston bowl at least partially defined by a wall having a generally spiral shape is provided in a top of the piston head.. ... Volvo Truck Corporation

02/23/17 / #20170053532

Method for determining an evasive path for a host vehicle

The present invention relates to a method for determining an evasive path for a host vehicle (10), the method i.a. Comprising: establishing (s1) a predicted traffic environment (12) of the host vehicle in a time-lateral position domain, the predicted traffic environment comprising an object prediction representation (16) of a traffic object; determining (s2) a start node (24) for the host vehicle; defining (s3) an end node (26) for the host vehicle; placing (s4) several boundary nodes (28) relative to the object prediction representation; setting (s5) node connections (30, 32, 34a-b, 36a-b, 38, 40, 42) between the start node, the boundary nodes, and the end node; and traversing (s6) the nodes using a graph-search algorithm in order to find a path from the start node to the end time with a lowest cost.. ... Volvo Truck Corporation

02/23/17 / #20170051644

A fluid control valve

A fluid control valve includes a cylindrical housing with at least one opening through a housing wall, a cylindrical main valve axially movably arranged inside the housing for controlling a fluid flow through the at least one opening and a main valve spring member acting on the main valve. The main valve includes a base wall defining a fluid control volume and fluid main volume in the cylindrical housing. ... Volvo Truck Corporation

02/16/17 / #20170043769

Method for providing an object prediction representation

A method is for providing an object prediction representation. In an embodiment, the method includes simulating movement of a host vehicle and an object in a longitudinal-lateral coordinate system based on their initial positions at the starting time and a movement of the host vehicle and determined movement of the object. ... Volvo Truck Corporation

02/02/17 / #20170030524

System for draining and refilling cryogenic fuel in a vehicle tank

A tool for draining and refilling a vehicle tank for cryogenic fuel, wherein the tool when in position for use has a vertical direction and includes a heat exchanger and a cooling tank, the cooling tank having an upper portion and a lower portion as viewed in the vertical direction of the tool and including a fuel outlet having at least one outlet valve, the fuel outlet being connected to a first fuel conduit and second fuel conduit via the at least one outlet valve, wherein the first fuel conduit includes an arrangement for connecting the first fuel conduit to an inlet on the heat exchanger, and wherein the second fuel conduit includes an arrangement for connecting the second fuel conduit to an inlet on a vehicle tank, the cooling tank further including an inlet, the inlet being connected to a fuel inlet conduit via a check valve and the fuel inlet conduit including an arrangement for connecting the inlet to an outlet from the heat exchanger, or to an outlet from a vehicle tank, and the outlet of the heat exchanger including an arrangement for connecting to an inlet on a vehicle tank, and a system and method for draining and refilling a vehicle tank.. . ... Volvo Truck Corporation

01/05/17 / #20170002756

A method for removing leaked crankcase fluid from a crankcase and a crankcase ventilation system

A method is provided for removing leaked crankcase fluid from a crankcase of an internal combustion engine during operation thereof, the method including the steps of measuring as operation parameter value of the internal combustion engine; comparing the measured operation parameter value with a preset parameter range defining a mode of operation of the internal combustion engine for determining if the internal combustion engine is in the mode of operation; guiding the leaked crankcase fluid from the crankcase to an intake of the internal combustion engine if it is determined that the internal combustion engine is in the mode of operation; and guiding the leaked crankcase fluid from the crankcase to an ambient environment of the internal combustion engine if it s determined that the internal combustion engine is not in the mode of operation.. . ... Volvo Truck Corporation

01/05/17 / #20170002710

Anti-clogging device for diesel exhaust fluid supply

An apparatus for supplying diesel exhaust fluid to an engine exhaust gas treatment system includes a reservoir to collect trapped air if the dosing module is clogged with crystalized urea. The reservoir is placed at the dosing valve inlet on a t-connection. ... Volvo Truck Corporation








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