Volvo Truck Corporation

Volvo Lastvagnar Ab

Ab Volvo

Volvo Lastvagner Ab

Volve Lastvagnar Ab

Ab Volvo Lastvagnar

Bergström, Klas

Hedman, Anders

Anders Hedman

Johan Folkesson

Klas Bergström

Anders Eriksson

Marcus Steen

Henrik Hagerman

Lars Zettergren

Sven Norberg

Lena Larsson

Fredrik Karpenman

Pontus Eriksson

Ola Nilsson

Daniel Stålberg

Hans Stervik

Christian Wargh

Lars Bråthe

Daniel Jansson

Lisa Ehrlich

Hans Erhard

Johan Persson

Daniel Stàlberg

Petter Frejinger

Bengt Karlsson

Lars-Erik Theodorsson

Anna Wikström

Richard Torsein

Andrius Charitonovas

Clas Nylund

An assembly for lubricating a gearwheel of a transmission includes a shaft arranged to rotate about a rotational axis extending in an axial direction, the gearwheel arranged rotationally fixed on the shaft, a first ring member arranged coaxially and rotationally fixed on the shaft adjacent the gearwheel, and a lubricant distribution ring member for providing lubricant to gear valleys between respective adjacent gear teeth of the gearwheel.

Assembly for lubricating a gearwheel of a transmission, a transmission and a vehicle

A transmission for a vehicle includes: an input shaft, a main shaft, and a countershaft, the main shaft being coaxial with the input shaft and the countershaft being parallel therewith, first and second primary gear planes arranged for torque transfer between the input shaft and the countershaft, and at least one secondary gear plane arranged for torque transfer between the countershaft and the main shaft. The transmission further includes a crawler shaft arranged in parallel with the main shaft, wherein the first primary gear plane comprises a first crawler shaft gearwheel arranged on the crawler shaft, and wherein the second primary gear plane comprises a second crawler shaft gearwheel arranged on the crawler shaft, the second crawler shaft gearwheel being selectively rotationally connectable to the first crawler shaft gearwheel so as to engage a crawler gear of the transmission.

Transmission for a vehicle

The disclosure relates to a powertrain for a vehicle, comprising:

Powertrain for a vehicle

The disclosure relates to a powertrain for a vehicle, the powertrain including: a transmission, a propeller shaft and a differential gear, wherein the transmission comprises an output shaft which is drivingly connected or connectable to the propeller shaft, the propeller shaft is drivingly connected to the differential gear and the differential gear is configured to provide a driving torque to a respective half-shaft of a drive axle for driving the vehicle, the transmission further including: an input shaft configured to be drivingly connected to a power unit; a planetary gearset; a first gearset and a second gearset. The disclosure also relates to a vehicle.

Powertrain for a vehicle and a vehicle

A vehicle transmission includes: CG connectable to the second CG,

Transmission, a powertrain and a vehicle

A transmission for a vehicle includes a first input shaft, a second input shaft, a countershaft, a main shaft, and an output shaft, a first gear plane including a first input shaft gearwheel, a first main gearwheel, and a first countershaft gearwheel, and a second gear plane including a second input shaft gearwheel, a second main gearwheel, a second countershaft gearwheel, a first gear engaging device, a second gear engaging device, wherein the output shaft is drivingly connectable to the main shaft, and wherein the transmission is configured to only enable transfer of torque between the first input shaft and the output shaft via the main shaft, and to only enable transfer of torque between the second input shaft and the output shaft via the main shaft.

A transmission assembly for a vehicle includes a first input shaft, a second input shaft and a common output shaft, a first input shaft first gear wheel and a first input shaft second gear wheel arranged axially offset with respect to each other on the first input shaft, a second input shaft first gear wheel and a second input shaft second gear wheel arranged axially offset with respect to each other on the second input shaft, an output shaft first gear wheel and an output shaft second gear wheel arranged axially offset with respect to each other on the common output shaft, wherein each one of the first input shaft first gear wheel and the second input shaft first gear wheel is meshing with the output shaft first gear wheel.

Transmission assembly for a vehicle

The invention relates to a vehicle powertrain, comprising:

Powertrain, a method for controlling a powertrain, and a vehicle

The invention relates to a lubricating device for controlling lubrication in a stepped transmission comprising a splitter section () with an input shaft (I) and a main gear section () with an output shaft (O) and a countershaft (C); where the splitter section () comprises a first splitter gear set () connectable to the input shaft (I) by a first gear shift mechanism (); and a second splitter gear set () connectable to the input shaft (I) by the first gear shift mechanism (); and connectable to the output shaft (O) by a second gear shift mechanism (). A lubrication arrangement for the second splitter gear set () is arranged to be controlled by the current positions of the first and the second gear shift mechanisms (); wherein the lubrication arrangement is controlled to at least reduce lubrication when the first and the second gear shift mechanisms () are simultaneously connected to or disconnected from the second splitter gear set ().

Device for controlling lubrication in a stepped transmission comprising a splitter section

A transmission assembly for a vehicle, includes a first input shaft gear wheel arranged on a first input shaft, a second input shaft first gear wheel and a second input shaft second gear wheel arranged axially offset with respect to each other on a second input shaft, an output shaft first gear wheel and an output shaft second gear wheel arranged axially offset with respect to each other on a common output shaft. The second input shaft first gear wheel meshes with the output shaft first gear wheel, and the first input shaft gear wheel and the second input shaft second gear wheel mesh with the output shaft second gear wheel. A first torque path is provided from the first input shaft to the output shaft.

A transmission comprises a first input shaft, a second input shaft, an output shaft, and an intermediate shaft. A first input shaft gearwheel, a second input shaft gearwheel, a first intermediate shaft gearwheel, a second intermediate shaft gearwheel, a first output shaft gearwheel drivingly connected to the first input shaft gearwheel, a second output shaft gearwheel in meshing engagement with the first intermediate shaft gearwheel, and a third output shaft gearwheel in meshing engagement with the second intermediate shaft gearwheel, are provided. A first shifting device is selectively settable to: A second shifting device is selectively settable to:

Transmission, a powertrain, and a vehicle

An arrangement for lubricating a gear in a toothed gearing comprising a shaft on which the gear is arranged is provided. An engaging ring with a central portion is arranged around said shaft and comprises a surface facing and spaced from an end surface of the gear creating a gap for guiding lubricant to the gear, and at least one first duct for lubricant, whereby said duct has at least one opening into the gap. The component comprises an annular portion with an inner peripheral surface mounted onto an outer peripheral surface of a shoulder on the gear; where axial discontinuities are provided between the shoulder and the annular portion of the component for guiding and distributing lubricant to the roots of the gear.

Arrangement for lubricating a gear

The present invention relates to an auxiliary transmission brake arrangement () for a transmission () of a vehicle. In particular, the invention relates to an auxiliary transmission brake arrangement comprising a lubrication arrangement for improved lubrication of gear wheels connecting the auxiliary transmission brake arrangement to an output shaft.

Auxiliary transmission brake arrangement

The present invention relates to a method for controlling a clutch arrangement () of a vehicle transmission () arranged within a gearbox housing () of a vehicle, the clutch arrangement being connected to a pneumatically controlled actuator arrangement () for controllably arrange the clutch arrangement between a closed position and an open position, wherein the vehicle transmission further comprises at least one rotatable transmission component (&#x2033;) configured to assume an engaged state, a disengaged state and an at least partially engaged state. By means of the method, the rotatable transmission component is arranged to be positioned in the at least partially engaged state for increasing the heat within the gearbox housing.

Growing community of inventors

Marstrand, Sweden

Anders Hedman