Abstract: Planet carrier of an epicyclic gear system with planetary shafts which are connected fixedly to the planet carrier, onto which planet wheels are mounted rotatably using planetary bearings, the teeth of the planetary wheels being helical or chevron teeth, the planet carrier being of the cage type, and where at least two separate planetary wheels are mounted on each planetary shaft, each wheel of which being supported by at least one double-row tapered roller bearing, the outermost bearing ring of each double-row tapered roller bearing being integrated into the planetary wheel concerned.

Abstract: A planet carrier of a planetary stage, the planet carrier having a bogie plate, both sides of which planet wheels can be mounted, characterized in that the planet carrier with its bogie plate is made as one monolithic piece.

Abstract: A gearbox for a wind turbine includes a ring wheel unit provided in a housing; a driving shaft designed to be coupled to the rotor of the wind turbine and a single main bearing or a pair of main bearings which rotatably support the driving shaft in the housing. The ring wheel unit is formed of a sun wheel, a planet wheel, ring wheel which is fixed to the housing in a non-rotating manner and a planet carrier which is rigidly connected to the driving shaft. An additional bearing rotatably supports the planet carrier or the driving shaft relative to the housing. Between the part of the housing having the main bearing or the main bearings and the part of the housing with the additional bearing and the ring wheel, an elastic part is provided with relative torsional stiffness, yet relatively flexible to loads in the axial and/or radial direction.

Abstract: Planet carrier of an epicyclic gear system with planetary shafts which are connected fixedly to the planet carrier onto which planet wheels are mounted rotatably using planetary bearings, the teeth of the planetary wheels being helical or chevron teeth, the planet carrier being of a cage type, and where at least two separate planetary wheels are placed on each planetary shaft, each wheel of which being supported by at least one double-row cylindrical bearing, where the outer bearing ring of each double-row cylindrical bearing is integrated into the planetary wheel concerned.

Abstract: Planet carrier of an epicyclic gear system with planetary shafts which are connected fixedly to the planet carrier, onto which planet wheels are mounted rotatably using planetary bearings, the teeth of the planetary wheels being helical or chevron teeth, the planet carrier being of the cage type, and where at least two separate planetary wheels are mounted on each planetary shaft, each wheel of which being supported by at least one double-row tapered roller bearing, the outermost bearing ring of each double-row tapered roller bearing being integrated into the planetary wheel concerned.

Abstract: A planet carrier of a planetary stage, the planet carrier having a bogie plate, both sides of which planet wheels can be mounted, characterized in that the planet carrier with its bogie plate is made as one monolithic piece.

Abstract: A planetary type gear unit comprising a planet carrier with a planet bogie plate and at least one planet shaft, whereby on both sides of the bogie plate a planet wheel is mounted on the planet shaft by taper roller bearings, whereby the planet shaft is provided with an axially displaceable piece on each of its extremities forming an abutment which provides an axial support for the inner bearing rings of the taper roller bearings and with a tensioning elements by which the axially displaceable pieces can be displaced to one another for controlling the pre-tensioning on the taper roller bearings.

Abstract: A planetary gear wheel construction with one or several planet wheels which are bearing-mounted on a planet carrier, which is provided in a rotating manner in a housing, and an oil lubrication formed of an oil supply via a ring-shaped channel in the housing formed of a ring-shaped groove and a distribution element turning along with the planet carrier which is rotatably held in the groove, and which is provided with a passage to connect the oil channel to an oil channel in the planet carrier which opens at a planet wheel. The distribution element is coupled to the planet carrier by a loose connection which makes it possible to transmit the rotational movement of the planet carrier to the distribution element, and the oil channel in the planet carrier is connected to the passage in the distribution element by a flexible or moving oil pipe.

Abstract: A roller bearing (10) includes a plurality of bearing rollers (12) located between confronting bearing surfaces (16, 19), the bearing surfaces being rotatable one relative to the other about the rotational axis of the bearing, and the bearing including biasing elements (18) which provides a force acting in a direction between the confronting bearing surfaces (16, 19) whereby, under all load conditions for which the bearing is designed for use, each bearing roller is retained in contact with each of the confronting bearing surfaces.