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Heinrich Hofmann, Schweinfurt DE

Heinrich Hofmann, Schweinfurt DE

Patent application numberDescriptionPublished
20080212912Radial Roller Bearing, In Particular A Single-Groove Grooved Ball Bearing - The invention relates to a radial roller bearing which is embodied as a single-grooved grooved ball bearing. The bearing bodies are embodied as spherical disks having two symmetrical, parallel lateral surfaces from a spherical base shape. According to the invention, the radial roller bearing has a larger contact surface of the spherical disk in relation to the bearing body tracks thereof as well as an increased number of bearing bodies, wherein one part of the width (b09-04-2008
20080265660Wheel Hub Comprising Axial Recesses Formed Between the Holes for Wheel Nuts - The invention relates to a wheel hub having a central section and a radial section which is radially connected to the central section, a bearing section which axially protrudes from the central section and is used to receive a wheel bearing, and an axially opposing receiving section for receiving a brake disk and a wheel rim. Holes for receiving wheel nuts are formed in the radial section. In order to produce an especially light wheel hub that can withstand all operating loads and provides a brake disk with a secure abutment surface under all operating conditions, the wheel hub has recesses at least between some holes, the recesses fully penetrating the wall of the radial section of the wheel hub.10-30-2008
20080267551Radial Antifriction Bearing, Particularly a Single-Row Grooved Antifriction Bearing or Angular Contact Antifriction Bearing - The radial antifriction bearing has an outer bearing ring, an inner bearing ring and roller bodies, which are arranged between the bearing rings, are held at uniform distances from one another in the peripheral direction by a bearing cage. The roller bodies are discs that each have two parallelly arranged lateral surfaces which are symmetrically flattened from a spherical basic shape. In order to prevent edge stresses between the discs and the raceways, at least the raceway in the inner bearing ring, on its outer edge areas, transition into a logarithmically decreasing profile.10-30-2008
20080296965Wheel Hub Comprising Axial Recesses Formed Between the Holes for Wheel Nuts - The invention relates to a wheel hub having a central section and a radial section which is radially connected to the central section, a bearing section which axially protrudes from the central section and is used to receive a wheel bearing, and an axially opposing receiving section for receiving a brake disk and a wheel rim. Holes for receiving wheel nuts are formed in the radial section. In order to produce an especially light wheel hub that can withstand all operating loads and provides a brake disk with a secure abutment surface under all operating conditions, the wheel hub has recesses at least between some holes, the recesses fully penetrating the wall of the radial section of the wheel hub, and at least one reinforcing means is embodied on the radial end of the wheel hub.12-04-2008
20080303339Wheel Hub With Axial Recesses Between the Holes For Wheel Bolts - The invention relates to a wheel hub having a central section and having a radial section which radially adjoins said central section, having a bearing section which projects axially from the central section for holding a wheel bearing and having an axially opposite holding section for holding a brake disk and a wheel rim, wherein holes for holding wheel bolts are formed in the radial section. In order to obtain a particularly light wheel hub which can withstand all operating loads and offers a reliable contact face for a brake disk under all operating conditions, it is provided that the wheel hub has recesses at least between some holes, which recesses extend completely through the wall of the radial section of the wheel hub, and that stiffening ribs are formed between the respective recesses which stiffening ribs axially thicken the radial section between the recesses.12-11-2008
20080304781Radial Rolling Bearing, Especially Single-Row Deep Groove Rolling Bearing - The invention relates to a radial rolling bearing, especially a single-row deep groove rolling bearing, which substantially consists of an outer bearing ring and of an inner bearing ring as well as of a multitude of rollers, arranged between the bearing rings and held at uniform distances from one another in the peripheral direction by a bearing cage which is assembled from two ring halves. The rollers of the radial rolling bearing are configured in the form of spherical disks that each have two parallel lateral surfaces which are symmetrically flattened from a basic spherical shape and which roll off in two groove-type raceways with their faces. Said raceways are incorporated into the inner face of the outer bearing ring and into the outer face of the inner bearing ring. The bearing cage according to the invention is characterized by having individual cage pockets for each roller, said pockets encircling the roller on a reference line. The rollers are axially guided between the bearing rings via two low-friction line contacts between their lateral surfaces and the longitudinal webs of the cage pockets. The rollers are configured to have a defined degree of freedom for self-alignment to the pressure angle of the radial rolling bearing.12-11-2008
20080310786Radial Antifriction Bearing, Especially Single-Row Grooved Antifriction Bearing - The invention relates to a radial antifriction bearing which substantially consists of an outer bearing ring and of an inner bearing ring as well as of a multitude of rollers, arranged between the bearing rings and held by a bearing cage. The rollers are configured in the form of spherical disks that each have two parallel lateral surfaces which are symmetrically flattened from a basic spherical shape. The bearing cage according to the invention is characterized by having cage pockets in which the rollers are axially guided between the bearing rings via two low-friction point contacts between the center areas of their lateral surfaces and the longitudinal webs of the cage pockets. The rollers are configured to have a defined degree of freedom for tilt movements exerted at an angle to the running direction and a defined degree of freedom for self-adjustment to the pressure angle of the radial antifriction bearing.12-18-2008
20090097793RADIAL ROLLING BEARING, IN PARTICULAR SINGLE-ROW SPHERICAL-ROLLER BEARING - The radial rolling bearing has an outer bearing ring, an inner bearing ring, and spherical rollers arranged between bearing rings. The spherical rollers have two flat side faces arranged parallel to one another. The spherical rollers are retained with uniform spacing to one another in the peripheral direction by a bearing cage. The spherical rollers have a width between their side faces of approximately 70% of the diameter of their spherical basic shape. The running faces of the rollers roll in two groove-shaped raceways which are formed in the inner side of the outer bearing ring and in the outer side of the inner bearing ring. At least one of the axial rims which delimit the groove-shaped raceways is reduced in radial height such that the radial bearing can be equipped with an increased number of spherical rollers in an axial assembly process.04-16-2009
20090154860TAPERED ROLLER BEARING - The invention relates to a tapered roller bearing comprising at least one conical outer roller track, at least one conical inner roller track and tapered rollers which are arranged in a radial manner between the roller tracks and about the longitudinal central axis of the tapered roller bearing. The tapered rollers respectively comprise a conical first covering surface for carrying out an effective radial connection towards the outside in the rolling contact with the inner roller track and for carrying out an effective radial connection towards the inside in the rolling contact with the outer roller track and the central lines of the tapered rollers intersect in a common intersecting point on the longitudinal central axis.06-18-2009
20090180724RADIAL ANTI-FRICTION BEARING, IN PARTICULAR, A SINGLE-ROW SPHERICAL ROLLER BEARING - A radial anti friction bearing (07-16-2009
20090185770RADIAL ANTI-FRICTION BEARING, IN PARTICULAR, SINGLE-ROW SPHERICAL ROLLER BEARING, AND METHOD FOR MOUNTING THEREOF - A radial anti friction bearing (07-23-2009
20090285516SEALING ARRANGEMENT - The invention relates to a sealing arrangement that seals at least one radial intermediate space between at least one inner bearing ring and at least one outer bearing ring. Said sealing arrangement comprises at least one first support that supports at least one elastic seal and a second support which supports at least one encoder located outside the intermediate space. The encoder is radially oriented towards at least one sensor that is disposed above the encoder in a radially outward direction.11-19-2009
20090317030ANGULAR CONTACT ROLLER BEARINGS, IN PARTICULAR MULTI-ROW BALL ROLLER BEARINGS - The invention relates to an angular contact roller bearing having an outer bearing ring, an inner bearing ring, a plurality of ball rollers arranged between the rings, and a bearing cage. The ball rollers in the two adjacent rows have pressure angle axes extending parallel to one another and are arranged directly one next to the other with their side faces point toward one another. Adjacent ball rollers in the two rows are arranged on a common rotational axis. The ball rollers have diameters and widths which are dimensioned in such a way that envelope cones which form tangents with all the ball rollers at their diameters are arranged with their cone tips precisely at the intersection point of the common rotational axes of the bearing longitudinal axis.12-24-2009
20100247019WHEEL BEARING ARRANGEMENT FOR MOTOR VEHICLES - A wheel mounting for automotive vehicles substantially comprising a multi-row angular contact rolling bearing comprising an inner bearing ring arranged on or at least partially integrated in a hub of a wheel side-fixing flange, an outer bearing ring coaxial to the inner bearing ring and arranged in or at least partially integrated in a hub of a vehicle side-fixing flange, and a plurality of rolling elements arranged in a plurality of rows next to one another between the inner and the outer bearing rings, which rolling elements roll on defined, inclined pressure angle axes in groove-shaped raceways of the inner and the outer bearing rings and are retained uniformly spaced from one another in peripheral direction in a plurality of bearing cages wherein all the rolling elements of the angular contact rolling bearing are configured in form of ball-rollers comprising two parallel side surfaces obtained by symmetric flattening of a basic ball shape such that a width of the ball-rollers between these side surfaces is 20% to 30% smaller than a diameter of the basic ball shape.09-30-2010
20100296761RADIAL ROLLING BEARING ESPECIALLY DOUBLE-ROW ANGULAR CONTACT BEARING - A double-row angular contact bearing and which has outer and inner bearing rings with two rows of rolling elements disposed between the bearing rings that are held by two bearing cages interspaced at even distances. At least one row is configured as balls with parallel lateral faces that are symmetrically flattened. Both rows of rolling elements roll in adjacent races machined into the inner face of the outer ring and the outer face of the inner ring. The contact angle axes are pitched towards each other in an O-arrangement or X-arrangement and the races are axially delimited only on one side by shoulders. Additional clearance and supporting contours are formed at axial edge sections, opposite the shoulders, onto the races. The contours can be used to fit the balls into angular contact by axially inserting them into the clearance between the bearing rings and then tilting them into the races.11-25-2010
20110007993METHOD FOR FILLING A BALL ROLLER BEARING WITH ROLL BODIES AS WELL AS A BALL ROLLER BEARING FILLED ACCORDING TO THE METHOD - A method for filling a ball roller bearing with roll bodies, and a ball roller bearing, which is filled according to the method and has an outer and an inner bearing ring and a plurality of ball rollers, which are arranged between these bearing rings and have two side surfaces, which are flattened symmetrically from a basic spherical shape, parallel to one another and held at uniform distances from one another by a bearing cage. The ball rollers roll in groove-shaped raceways recessed in the inner face of the outer bearing ring and the outer face of the inner bearing ring. The ball roller bearing is filled by an eccentric axial, tilting fitting of the ball rollers through the interval between the bearing rings in the form, that the filled ball roller bearing is filled to the extent of about 94% and has a service life of up to 253%.01-13-2011
20110026866BALL ROLLER BEARING AND METHOD FOR THE INSTALLATION OF SUCH A BALL ROLLER BEARING - A ball roller bearing and to a method for the installation thereof. The ball roller bearing has an outer bearing race, and an inner bearing race, and a plurality of ball rollers, which are disposed between the bearing races and are held at equal distances to each other by a bearing cage. For this purpose, the ball rollers have a width of approximately 70% of the diameter of a spherical shape thereof, and roll with bearing surfaces thereof in two groove-shaped raceways, the depth of which is smaller than the distance between the outer and inner bearing race. The cage pockets of the bearing cage have a cross-sectional contour of a ball roller disposed in the longitudinal and transverse directions to the circumferential direction. The method for installation of the ball roller bearing is a cross/oblique pivot mount between the inner and outer bearing races and the ball rollers.02-03-2011
20110033149ANGULAR CONTACT ROLLING-ELEMENT BEARING, ESPECIALLY DOUBLE ROW BALL ROLLER BEARING IN TANDEM ARRANGEMENT - A double roller bearing which has an outer and inner bearing ring and ball rollers, which have lateral faces and are arranged next to each other in rows, arranged between the bearing rings. The rollers roll in raceways incorporated into the inner face of the outer bearing ring and outer face of the inner bearing ring. The raceways run in parallel and have pressure angle axes that are pitched at a pressure angle relative to a bearing radial axis. The rollers have a distance relative to each other which excludes mutual frictional contacts. For this purpose, the distance of the pressure angle axes of the raceways is enlarged and both rows of rollers are guided in separate bearing cages, while the raceway of the rollers of the row with the larger reference circle arranged on the inner bearing ring has a one-sided axial extension using the distance.02-10-2011

Patent applications by Heinrich Hofmann, Schweinfurt DE