Abstract: A sealing element for sealing a shaft comprises a stiffening part, a first elastomer part connected to the stiffening part and adapted to adjoin the housing part and provide a static seal relative, and a second elastomer part of an elastomer material different from the elastomer material forming the first elastomer part. The second elastomer part is connected to the stiffening part and comprises a sealing section adapted to adjoin the shaft to seal a space. The sealing section comprises a return structure for returning a leaking fluid to a space to be sealed. The sealing section also comprises a region at one axial end portion of the sealing section which is peripherally closed in itself and extends along an inner surface of a circular cylinder portion of the sealing section that is adapted to adjoin and seal the shaft as the shaft is not turning.

Abstract: A method for treating a component comprising a metallic or ceramic material with a crystalline, semi-crystalline or amorphous structure. According to the method, to case-harden the component, at least part of the surface of the component is exposed to an oil jet, while the temperature of the oil and/or the component is regulated. Also disclosed is a device for carrying out the method.

Abstract: A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.

Abstract: A use of a lubricant comprising at least one reaction product of mono-di- and/or poly-isocyanate with unbranced and/or branced, unsaturated and/or saturated, alicyclic poly-amine with carbon numbers from 5 to 24, at least between at lease two elements, which are movable against each other.

Abstract: The invention concerns a method for manufacturing a ceramic material with pseudo-isotropic microstructure. The method for tailoring the microstructure for manufacturing of sintered ceramic components involves a spark plasma sintering (SPS) process. By performing the SPS process in at least two steps it is possible to separate densification from grain growth. An initial sintering step at a first temperature and a first pressure, followed by a controlled grain growth step at a higher temperature and lower pressure makes it possible to manufacture ceramic components with controlled microstructure and improved mechanical properties.

Abstract: The invention concerns a sintered ceramic component of silicon nitride or sialon suitable as rolling element in a bearing and a manufacturing method for making such ceramic components. The ceramic component has high density and a homogeneous and fine microstructure, giving the component excellent mechanical properties. Manufacturing of the sintered ceramic component by SPS is cost-effective and rapid.

Abstract: A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.

Abstract: A sealing arrangement used to create a seal between a first (12) part of a chain and a second (14) part of a chain, wherein said second part can at least be pivoted in relation to the first part, exhibiting the following features: a sealing ring (40) with an annular sealing lip (42) for sealing a lubricant area between parts which can be pivoted towards each other, an elastic ring (60) which can be fixed to one of the parts and which can be used to exert pressure on the sealing ring; in addition to a supporting ring (50) which is arranged between the sealing ring and the elastic ring; and link of a chain provided with said sealing arrangement.

Abstract: A Lubricant comprises a carboxylic-acid-amide which is based on aliphatic unbranched, alicyclic and/or aromatic chains with chain length from 2 to 60 carbon atoms.

Abstract: A device comprises a rotor element which is connected to a stator element by at least one roller bearing, and a grease storage recipient for lubricating the roller bearing. The supply of grease from the grease storage recipient is controlled by a temperature-dependent expansion element.

Abstract: A method for lubricating a rolling element bearing by an ultra low viscosity volatile fluid comprises injecting a liquefied fluid flow into the bearing, lubricating rolling contacts between the rings and the rolling elements of the bearing by the liquefied fluid, providing a flow restriction for the liquefied fluid so as to maintain at least part of the fluid at a pressure which is above the evaporation pressure which is defined by evaporation of the fluid at the temperature or temperatures which prevail(s) in the bearing.

Abstract: A seal for a compressor for sealing a shaft comprises a first seal part with a sealing edge which is provided on a circular cylindrical surface along a line which deviates from a circular shape and which is closed in itself in the peripheral direction for adjoining and sealing the shaft, and a second seal part with a sealing section which is intended to adjoin the shaft and which is hollowly cylindrical when it adjoins properly with the inside surface which comprises a return structure for a fluid.

Abstract: A seal for a compressor for sealing a shaft comprises a first seal part with a sealing edge which is provided on a circular cylindrical surface along a line which deviates from a circular shape and which is closed in itself in the peripheral direction for adjoining and sealing the shaft, and a second seal part with a sealing section which is intended to adjoin the shaft and which is hollowly cylindrical when it adjoins properly with the inside surface which comprises a return structure for a fluid.

Abstract: A sliding bearing, such as a journal bearing, includes at least two bearing elements, the bearing surfaces of which are slidably supported with respect to each other. At least one of the surfaces is provided with a first type of cavity which may comprise a lubricating substance, the first type of cavity being defined by a specific range of geometric properties. At least one surface is provided with at least a second type of cavity which may comprise a lubricating surface, the second type of cavity being defined by geometric properties which are different from the geometric properties of the first type of cavity.

Abstract: A wheel bearing for a driven wheel provided with a roller bearing module includes an outer ring and a hub which can be slide onto the outer ring from at least from one side such that it encompasses a partial area of the outer covering of the outer ring, wherein at least one area of the outer covering of the outer ring and one area of an inner covering of the hub are embodied in the form of a conical covering so that they match each other and can be arranged adjacent to each other.

Abstract: A bearing arrangement comprises at least one bearing ring and at least one machine part with which the bearing ring is connected. The bearing arrangement is equipped with a device for detecting relative movement between at least one of the bearing rings and one of the machine parts. To facilitate the measurement of creep between one of the bearing rings and one of the machine parts, the device for detecting relative movement is located in or at the machine part and has a contact element which contacts the bearing ring, wherein a sensor element is arranged in or at the device to detect the relative movement between the device and the contact element.

Abstract: In a sealing arrangement sealing at least one axial end section of a hollow shaft that is arranged in a cavity of a component, with the hollow shaft being adapted to route a fluid, a gasket is adapted to be located between the component and the shaft. The gasket is made with a sealing lip to adjoin the outer peripheral surface of the end section. The gasket also includes an axially projecting portion that projects axially beyond the end of the shaft. The axially projecting portion of the gasket surrounds a device for filtering the fluid and/or a device for determining the flow cross-section of the fluid.

Abstract: The invention concerns a sintered ceramic component of silicon nitride or sialon suitable as rolling element in a bearing and a manufacturing method for making such ceramic components. The ceramic component has high density and a homogeneous and fine microstructure, giving the component excellent mechanical properties. Manufacturing of the sintered ceramic component by SPS is cost-effective and rapid.

Abstract: The invention concerns a method for manufacturing a ceramic material with pseudo-isotropic microstructure. The method for tailoring the microstructure for manufacturing of sintered ceramic components involves a spark plasma sintering (SPS) process. By performing the SPS process in at least two steps it is possible to separate densification from grain growth. An initial sintering step at a first temperature and a first pressure, followed by a controlled grain growth step at a higher temperature and lower pressure makes it possible to manufacture ceramic components with controlled microstructure and improved mechanical properties.