Patents by Inventor Dietmar Rudy
Dietmar Rudy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220011141Abstract: A linear guide includes a guide carriage (1) arranged on a guide rail (2) so as to be longitudinally displaceable, and comprising a length measuring device (5) provided on the guide rail (2) for determining a position of the guide carriage (1), which length measuring device has two measuring heads (6) and two tracks (7, 8) arranged side-by-side on the guide rail (2), each of which tracks is assigned to one of the measuring heads (6). Each of said tracks (7, 8) has a plurality of dimensional measures (9, 14) arranged one behind the other along the track (7, 8), wherein in an overlapping region (x1, yn, z1), the dimensional measures (9, 14) of both tracks (7, 8) overlap each other.Type: ApplicationFiled: October 16, 2019Publication date: January 13, 2022Inventors: Dietmar Rudy, Patrick Daniel, Thomas Elicker
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Patent number: 10450031Abstract: A gearshift for a bicycle having an electric auxiliary drive including a stepped gear system which is embodied as a hub gear system or derailleur system, and an electromechanical actuator for triggering a gear change of the gear system. The electromechanical actuator has a shift control unit which can be or is connected via a data line to a drive control unit of the auxiliary electric drive, which shift control unit is designed to activate the actuator as a function of at least one state parameter transmitted to the shift control unit by the drive control unit, or as a function of an item of information derived from said state parameter.Type: GrantFiled: April 30, 2015Date of Patent: October 22, 2019Assignee: SCHAEFFLER TECHNOLOGIES AG & CO., KGInventors: Boris Djakovic, Vincent Pommel, Dagmar Munch, Matthias Herbrich, Dietmar Rudy, Christian Hecker
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Patent number: 10267394Abstract: A method for producing a planetary screw drive and a kit for carrying out the method, in which a number of basic planetary roller sets composed of mutually dissimilar basic planetary rollers having different groove profiles are formed; wherein all planetary rollers belonging to a planetary roller set for lead screws with a same number of threads are taken from one particular basic planetary roller set; and wherein for each number of threads for a lead screw there is one particular basic planetary roller set, the basic planetary rollers of which are different from the basic planetary rollers of another particular basic planetary roller set.Type: GrantFiled: February 27, 2014Date of Patent: April 23, 2019Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Dietmar Rudy
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Patent number: 10090730Abstract: A linear actuator including an electric motor having a stator and a rotor, in addition to a screw drive having a spindle and a nut which is guided by the rolling element on the spindle and which is coupled to the rotor. The nut is mounted in a rotationally fixed manner on a housing component by a planetary roller bearing.Type: GrantFiled: August 5, 2014Date of Patent: October 2, 2018Assignee: Schaeffler Technologies AG & Co. KGInventor: Dietmar Rudy
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Publication number: 20170073040Abstract: A gearshift for a bicycle having an electric auxiliary drive including a stepped gear system which is embodied as a hub gear system or derailleur system, and an electromechanical actuator for triggering a gear change of the gear system. The electromechanical actuator has a shift control unit which can be or is connected via a data line to a drive control unit of the auxiliary electric drive, which shift control unit is designed to activate the actuator as a function of at least one state parameter transmitted to the shift control unit by the drive control unit, or as a function of an item of information derived from said state parameter.Type: ApplicationFiled: April 30, 2015Publication date: March 16, 2017Applicant: Schaeffler Technologies AG & Co. KGInventors: Boris Djakovic, Vincent Pommel, Dagmar Munch, Matthias Herbrich, Dietmar Rudy, Christian Hecker
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Patent number: 9587673Abstract: A hydrostatic profiled rail guide, having a guide carriage (2) which is arranged on a guide rail (1) so as to be longitudinally slidable and is hydrostatically mounted on said guide rail, wherein the guide carriage has pressure pockets and pocket surfaces arranged around the pressure pockets, and wherein the guide rail on the faces thereof facing towards the pressure pockets has rail running surfaces (7) for hydrostatic mounting of the guide carriage on the guide rail, wherein the pocket surfaces formed on the guide carriage have a first coating formed of a Cu/Sn alloy.Type: GrantFiled: February 27, 2014Date of Patent: March 7, 2017Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Wolfgang Bauer, Dietmar Rudy
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Patent number: 9562564Abstract: A guide carriage of a linear guide, which guide carriage has a back (1) and legs (2) bent away from the back (1) and disposed along a longitudinal axis of the guide carriage for engaging over a guide rail (7), the two legs (2) are each provided with a longitudinal seal (5) having rod-shaped bodies (12) each of which has a sealing lip (8) on sides facing one another. The rod-shaped body (12) is supported on an abutment (9a) of the leg (2) provided along the longitudinal axis, wherein the rod-shaped body (12) is retained on the guide carriage together with the two axial rod ends (13, 15, 18) of the rod-shaped body (12) and is spring-loaded against the abutment (9a) by means of the inherent spring force of the rod-shaped body (12).Type: GrantFiled: March 3, 2014Date of Patent: February 7, 2017Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Patrick Daniel, Dietmar Rudy
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Publication number: 20160226337Abstract: A linear actuator including an electric motor having a stator and a rotor, in addition to a screw drive having a spindle and a nut which is guided by the rolling element on the spindle and which is coupled to the rotor. The nut is mounted in a rotationally fixed manner on a housing component by a planetary roller bearing.Type: ApplicationFiled: August 5, 2014Publication date: August 4, 2016Applicant: Schaeffler Technologies AG & Co. KGInventor: Dietmar Rudy
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Publication number: 20160123446Abstract: A method for producing a planetary screw drive and a kit for carrying out the method, in which a number of basic planetary roller sets composed of mutually dissimilar basic planetary rollers having different groove profiles (6, 9) are formed; wherein all planetary rollers (5, 9) belonging to a planetary roller set (4, 12, 13) for lead screws (2, 11) with a same number of threads are taken from one particular basic planetary roller set; and wherein for each number of threads for a lead screw (2, 11) there is one particular basic planetary roller set, the basic planetary rollers of which are different from the basic planetary rollers of another particular basic planetary roller set.Type: ApplicationFiled: February 27, 2014Publication date: May 5, 2016Applicant: Schaeffler Technologies AG & Co. KGInventor: Dietmar RUDY
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Publication number: 20160123386Abstract: A guide carriage of a linear guide, which guide carriage has a back (1) and legs (2) bent away from the back (1) and disposed along a longitudinal axis of the guide carriage for engaging over a guide rail (7), the two legs (2) are each provided with a longitudinal seal (5) having rod-shaped bodies (12) each of which has a sealing lip (8) on sides facing one another. The rod-shaped body (12) is supported on an abutment (9a) of the leg (2) provided along the longitudinal axis, wherein the rod-shaped body (12) is retained on the guide carriage together with the two axial rod ends (13, 15, 18) of the rod-shaped body (12) and is spring-loaded against the abutment (9a) by means of the inherent spring force of the rod-shaped body (12).Type: ApplicationFiled: March 3, 2014Publication date: May 5, 2016Applicant: Schaeffler Technologies AG & Co. KGInventors: Patrick Daniel, Dietmar Rudy
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Publication number: 20160069386Abstract: A hydrostatic profiled rail guide, having a guide carriage (2) which is arranged on a guide rail (1) so as to be longitudinally slidable and is hydrostatically mounted on said guide rail, wherein the guide carriage has pressure pockets and pocket surfaces arranged around the pressure pockets, and wherein the guide rail on the faces thereof facing towards the pressure pockets has rail running surfaces (7) for hydrostatic mounting of the guide carriage on the guide rail, wherein the pocket surfaces formed on the guide carriage have a first coating formed of a Cu/Sn alloy.Type: ApplicationFiled: February 27, 2014Publication date: March 10, 2016Applicant: Schaeffler Technologies AG & Co. KGInventors: Wolfgang BAUER, Dietmar RUDY
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Patent number: 9194470Abstract: A nut (1, 13, 21, 25) for a planetary roller screw drive is provided. A sleeve (14) which is produced by metal forming is provided, and two rings (16) that lie at a fixed distance with respect to each other in the axial direction are provided in this sleeve. In order to engage planets (3), the one ring (16) has the one groove profile (18), and the other ring (16) has the other groove profile (18).Type: GrantFiled: May 2, 2011Date of Patent: November 24, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Michael Kurz, Dietmar Rudy, Rainer Kleber, Thomas Motz, Horst Gredy, Matthias Dohr
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Patent number: 9039566Abstract: A planetary roller gear drive with a spindle nut (1) that is arranged on a threaded spindle (2) and with planets (3) that are arranged distributed around the periphery and are in rolling engagement with the spindle nut (1) and the threaded spindle (2). The planets (3) revolve on planetary orbits (P) that are arranged perpendicular to the spindle axis and the planets (3) are each divided into multiple planet parts arranged one behind the other in the axial direction.Type: GrantFiled: November 30, 2012Date of Patent: May 26, 2015Assignee: Schaeffler Technologies AG & Co. KGInventor: Dietmar Rudy
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Publication number: 20140008905Abstract: A support device for work vehicles, including a support post (8, 46) to be provided on the work vehicle, the lift element (11, 15b) thereof being displaceable along a lift axis for supporting on a support area, wherein the support post (8, 46) has an actuating drive for actuating the lift element (11, 15b), and the actuating drive is designed as a planetary roller screw drive (1, 14).Type: ApplicationFiled: November 24, 2011Publication date: January 9, 2014Applicant: Schaeffler Technologies AG & Co. KGInventors: Dietmar Rudy, Henning Dombek
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Patent number: 8408794Abstract: A linear ball bearing for longitudinally movable mounting of a shaft-like guide rail in a part surrounding the guide rail, which has a sleeve-like cage with recesses arranged one behind the other in the circumferential direction holding ball circuits which have at least one supporting section with supporting balls which are supported such that they can roll on the guide rail. The supporting balls are also supported such that they can roll on a raceway of a supporting race element inserted indirectly or directly into the cage. The supporting race element has at least one radial outer surface, arched outward at least in one direction, for contact against an inner surface of the part which surrounds the guide rail. The outer surface is formed by at least one web-like projection extending in the longitudinal direction of the supporting race element.Type: GrantFiled: October 29, 2009Date of Patent: April 2, 2013Assignee: Schaeffler Technologies AG & Co. KGInventors: Rainer Kleber, Thomas Winkler, Dietmar Rudy, Lothar Neufang, Peter Lutz, Anna Kania, Matthias Schmidt
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Publication number: 20130068059Abstract: A nut (1, 13, 21, 25) for a planetary roller screw drive is provided. A sleeve (14) which is produced by metal forming is provided, and two rings (16) that lie at a fixed distance with respect to each other in the axial direction are provided in this sleeve. In order to engage planets (3), the one ring (16) has the one groove profile (18), and the other ring (16) has the other groove profile (18).Type: ApplicationFiled: May 2, 2011Publication date: March 21, 2013Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Michael Kurz, Dietmar Rudy, Rainer Kleber, Thomas Motz, Horst Gredy, Matthias Dohr
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Patent number: 8277122Abstract: A guide rail of a linear guide, on guide surfaces on which a guide carriage is longitudinally displaceable. A material measure is arranged at a distance, preferably in parallel, to the guide rail and is fastened to the guide rail by means of a mount. The guide rail has a groove or a hole arranged outside the guide surface. The mount can be detachably fastened by means of expanding elements that engage with the groove or into the hole.Type: GrantFiled: December 12, 2007Date of Patent: October 2, 2012Assignee: Schaeffler Technologies AG & Co. KGInventors: Dietmar Rudy, Martin Menges, Mario Natale
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Patent number: 8206037Abstract: A linear guide, which has at least one approximately U-shaped carriage with side limbs that engage at least partially over a guide rail, at least two recirculating ball shoes for the longitudinally movable support of the carriage with respect to the guide rail and adjusting means for pressing the recirculating ball shoes against the guide rail without play. At least one component is provided which has, in cross-section, at least one wedge-shaped portion, which projects at least partially into a likewise wedge-shaped intermediate space between at least one recirculating ball shoe and one of the side limbs. It is possible to realize reliable and automatic play adjustment which can be realized in a cost-effective manner, with a compact design of the linear guide being maintained.Type: GrantFiled: July 30, 2009Date of Patent: June 26, 2012Assignee: Schaeffler Technologies AG & Co. KGInventors: Thomas Winkler, Dietmar Rudy
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Patent number: 8136992Abstract: A hydrostatic mounting of longitudinally displaceably arranged machine parts, which have pressure pockets for hydraulic fluid for building up a hydrostatic pressure between two machine parts, gaps for the hydraulic fluid which are adjacent to the pressure pockets and are delimited by gap faces of the two machine parts, drainage for the reception of hydraulic fluid, and at least one seal arranged between the machine parts and surrounding the drainage sealing against leakage of hydraulic fluid out of the hydrostatic mounting. At least one circumferential portion of the seal has an outer sealing lip and an inner sealing lip. The inner sealing lip is adjacent to the gaps, and a vacuum-loadable drainage portion of the drainage is arranged between the two sealing lips.Type: GrantFiled: September 15, 2009Date of Patent: March 20, 2012Assignee: Schaeffler KGInventors: Dietmar Rudy, Wolfgang Bauer
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Patent number: 8043007Abstract: Hydrostatic profile rail guide with a guide carriage that is hydrostatically mountable on a guide rail, whereby the guide carriage features a back and two sides that are attached to the back, between which the guide rail is located, whereby the back features a mounting surface on the side facing away from the guide rail for the mounting of, for example, a machine part, with the mounting surface concave when seen in the longitudinal direction of the guide rail.Type: GrantFiled: April 19, 2007Date of Patent: October 25, 2011Assignee: Schaeffler KGInventor: Dietmar Rudy