Patent application number | Description | Published |
20090044779 | COMPENSATING SHAFT - A compensating shaft ( | 02-19-2009 |
20090205602 | Compensation shaft of a multi-cylinder engine - A compensation shaft for a multi-cylinder engine at least two bearing pegs and at least four unbalanced weight sections, two of the at least four unbalanced weight sections being arranged respectively, around each of the at least two bearing pegs, so that at least two units are formed, these at least two units being connected to each other by a connecting part, wherein two of the unbalanced weight sections are arranged asymmetrically around each of the two bearing pegs, and the connecting part is configured as a flexurally rigid and torsion-proof component. | 08-20-2009 |
20090205603 | Compensation shaft of an internal combustion engine - The invention concerns a compensation shaft for a multi-cylinder engine comprising at least three bearing pegs ( | 08-20-2009 |
20090257702 | SHAFT WITH ROLLER BEARING - The invention relates to a shaft with a roller bearing. The roller bearing has an inner ring with an outer surface for rolling elements to roll on. According to the invention, the inner ring of the roller bearing is embedded, at least partially, into the shaft, which has been produced using primary forming methods, and the outer surface of the inner ring is exposed, at least in a part, in the axial direction and over its entire circumference. | 10-15-2009 |
20090279822 | AXIAL THRUST WASHERS PARTIALLY FOR UNBALANCE SHAFTS - Axial thrust washers are provided in the axial contact region of the bearing raceway of an unbalance shaft. The axial thrust washers do not extend beyond 360° in the circumferential direction, but extend only over a little more than the unbalance masses which extend in this region. The end sections of the axial thrust washers are bent over so that they are supported on the prominent unbalance masses, and form a funnel-like entry region for the rolling elements or for a cage of the rolling bearing which houses the rolling elements. | 11-12-2009 |
20090297085 | BEARING ARRANGEMENT OF A SHAFT - A bearing arrangement of a roller-mounted unbalanced mass shaft. The rollers are in punctiform contact with one of the raceways at a low shaft rotational speed and in linear contact with both raceways at a high shaft rotational speed. | 12-03-2009 |
20090308344 | SHAFT | 12-17-2009 |
20100290728 | ANTIFRICTION BEARING - An antifriction bearing for a turbocharger, which has an outer ring with an annular inner face and an inner ring with an outer face which is parallel to the inner face, and a rolling body cage with a single annular part arranged radially between the outer and inner ring with one cage guiding face which is parallel to the inner face of the outer ring and an inner surface which is parallel to the outer face of the inner ring, and with closed rolling body pockets which are distributed over the circumference and rolling bodies received in the pockets. To provide hydraulic damping and reduced friction, the annular part is provided in the region of the cage guiding face with at least one radial recess outside the rolling body pockets, which can be formed by apertures, cutouts or grooves in the cage guiding face. | 11-18-2010 |
20110023809 | UNBALANCED SHAFT - An unbalanced shaft ( | 02-03-2011 |
20110030444 | METHOD OF MAKING A COMPENSATION SHAFT - A method of making a compensation shaft ( | 02-10-2011 |
20110083632 | MASS BALANCING MECHANISM AND ASSEMBLY METHOD - A mass balancing mechanism and a method of assembly of the same is provided. The mass balancing mechanism serves to compensate mass forces and/or mass moments of inertia of an internal combustion engine and includes two compensation shafts ( | 04-14-2011 |
20110135230 | RADIAL ROLLER BEARING, IN PARTICULAR FOR THE ROLLER BEARING MOUNTING OF SHAFTS IN INTERNAL COMBUSTION ENGINES - A radial roller bearing, which has an outer bearing ring and a multiplicity of cylindrical roller bodies which roll on the inner lateral surface of the outer bearing ring and the outer lateral surface of an inner bearing ring or a shaft. The roller bodies are held at uniform intervals by a bearing cage with inwardly directed radial rims for axial guidance. Lubricating openings, which lead from the outside into the bearing interior, supply lubricant, and are arranged on the outer or inner bearing ring axially at both sides. The lubricating openings are cutouts which are formed into one or both axial sides of the bearing rings, outside a load zone of the bearing rings, which extend into the outer or inner raceway of the roller bodies and in which the roller bodies are arranged so as to be partially freely accessible for receiving oil form the bearing surroundings. | 06-09-2011 |
20120008891 | ROLLING BEARING HAVING A CAGE TO PREVENT FLOODING WITH LUBRICANT - A rolling bearing for a turbocharger, which has an outer ring with a first rolling element raceway, an inner ring with a second rolling element raceway, and several rolling elements accommodated in rolling element pockets of a rolling element cage. The rolling element cage has a guide surface, which is guided on an inner surface of the outer ring and arranged on a smaller radius than the radius of the first rolling element raceway. The rolling element cage has an extension, which is arranged over the circumference of the rolling element cage and extended annularly in the radial direction, on the side opposite the guide surface. | 01-12-2012 |
20120037109 | MASS BALANCING MECHANISM OF AN INTERNAL COMBUSTION ENGINE - A mass balancing mechanism is provided for balancing mass forces and/or mass torques of an internal combustion engine. The mass balancing mechanism includes an unbalanced shaft ( | 02-16-2012 |
20120045159 | BEARING ARRANGEMENT WITH A SHAFT AND A NEEDLE BEARING - A bearing arrangement is provided having a shaft ( | 02-23-2012 |
20120125135 | INTERMEDIATE GEAR DEVICE - An intermediate gear device for a traction drive and/or spur gear drive of an internal combustion engine is provided, having an intermediate gear that has an at least two-track construction with a drive gear and a driven gear, an axle, and a needle bearing by which the intermediate gear is radially mounted on the axle. At least one supporting disk is provided on which the intermediate gear is axially supported, and a duct, that is connectable to the lubricant circuit of the internal combustion engine, to supply lubricant to the needle bearing. The support disk and the axle contact one another at the end faces, the mouth of the lubricant duct that opens toward the needle bearing is formed by one or more recesses on the contact surface of the support disk and/or on the contact surface of the axle. | 05-24-2012 |
20120155793 | BEARING ARRANGEMENT FOR HIGH-SPEED SHAFTS OF MACHINES - A bearing arrangement for high-speed shafts of machines, such as rotor shafts of turbochargers. The bearing arrangement has a bearing housing that has at least one oil feed line and in the housing at least one bearing is installed. The bearing guides the shaft at least radially. The bearing has a ring with at least one oil bore. The ring forms an annular gap with the bearing housing. The bearing is a single-row rolling contact bearing, in which the shaft is guided directly or via an inner ring, preferably a two-part inner ring, and the ring is an outer ring of the rolling contact bearing. | 06-21-2012 |
20120312118 | MASS BALANCING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A mass balancing device for balancing free inertial forces and/or free moments of inertia of a reciprocating internal combustion engine ( | 12-13-2012 |
20130042990 | SHAFT WITH ROLLER BEARING - A method for producing a shaft with a roller bearing. The roller bearing has an inner ring with an outer surface for rolling elements to roll on. The inner ring of the roller bearing is embedded, at least partially, into the shaft, which has been produced using primary forming methods, and the outer surface of the inner ring is exposed, at least in a part, in the axial direction and over its entire circumference. | 02-21-2013 |
20130272854 | BEARING ARRANGEMENT FOR A TURBOCHARGER, AND TURBOCHARGER - A bearing arrangement for a turbocharger, including a bearing housing-which extends in an axial direction, an anti-friction bearing, situated within the bearing housing, having an outer bearing ring and a number of rolling bodies and an axially extending shaft which is rotatably mounted within the bearing housing. It is provided that the shaft includes a rolling body raceway for guiding the rolling bodies. Moreover, the invention relates to a turbocharger having such a bearing arrangement. A bearing arrangement of this type allows the secure mounting of a shaft in a turbocharger with simple assembly and low costs. | 10-17-2013 |
20140086731 | BEARING UNIT FOR A TURBOCHARGER - A bearing unit for a turbocharger, including a bearing housing extending in an axial direction and also including a bearing cartridge arranged within the bearing housing, wherein between the outer circumference of the bearing cartridge and the bearing housing there is formed an intermediate space with an oil film, and wherein the bearing housing has a supply bore formed for the supply of oil to the oil film. The bearing cartridge includes a rolling bearing, the outer cartridge ring of which is mounted in a freely rotatable manner in the oil film. A bearing unit for a turbocharger, the bearing cartridge of which includes a rolling bearing, the bearing outer ring of which is mounted in a freely rotatable manner in the oil film. By means of bearing units of such design, it is possible to ensure the secure mounting of a shaft even without a separate twist prevention device. | 03-27-2014 |
20140109860 | MASS EQUALIZATION GEAR MECHANISM OF AN INTERNAL COMBUSTION ENGINE - A mass equalization gear mechanism of an internal combustion engine is provided, having a gear mechanism housing ( | 04-24-2014 |
20140311280 | UNBALANCED SHAFT AND METHOD FOR PRODUCING SAME - An unbalanced shaft for compensating for inertial forces and/or mass moments of inertia of an internal combustion engine ( | 10-23-2014 |