Patents by Inventor Oskar Beer
Oskar Beer 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).
-
Patent number: 10287912Abstract: A bearing ring with integrated cooling channels and a method for producing a bearing ring with integrated cooling channels are provided.Type: GrantFiled: July 27, 2015Date of Patent: May 14, 2019Assignee: Schaeffler Technologies AG & Co. KGInventors: Oskar Beer, Peter Gloeckner
-
Publication number: 20180156275Abstract: The disclosure relates to methods for treating rolling bearing rings, for example, to introduce a high hardness and long service life. In one method, rolling bearing rings may be cold-hardened by applying residual compressive stresses mechanically in the region of the race. Material may then be removed from the race surface. The disclosure furthermore relates to rolling bearings having rolling bearing rings produced in this way.Type: ApplicationFiled: April 25, 2016Publication date: June 7, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Oskar BEER, Jens FELLA
-
Publication number: 20170276022Abstract: A bearing ring with integrated cooling channels and a method for producing a bearing ring with integrated cooling channels are provided.Type: ApplicationFiled: July 27, 2015Publication date: September 28, 2017Inventors: Oskar Beer, Peter Gloeckner
-
Patent number: 9416822Abstract: A rolling bearing component (2, 3, 4) has the following features: a nitrided surface zone (5), with a nitrogen content decreasing from the outside inwards, and a core zone (6), internal compressive stresses decreasing from the outside inwards in the surface zone (5), a surface hardness of 870 to 2000 HV 0.3 at a depth of 0.04 mm, wherein—the hardness at a depth of 0.3 mm is not more than 250 HV 0.3 less than the surface hardness.Type: GrantFiled: March 7, 2013Date of Patent: August 16, 2016Assignee: Schaeffler Technologies AG & Co. KGInventors: Edgar Streit, Oskar Beer
-
Publication number: 20150049973Abstract: A rolling bearing component (2, 3, 4) has the following features:—a nitrided surface zone (5), with a nitrogen content decreasing from the outside inwards, and a core zone (6),—internal compressive stresses decreasing from the outside inwards in the surface zone (5),—a surface hardness of 870 to 2000 HV 0.3 at a depth of 0.04 mm, wherein—the hardness at a depth of 0.3 mm is not more than 250 HV 0.3 less than the surface hardness.Type: ApplicationFiled: March 7, 2013Publication date: February 19, 2015Applicant: Schaeffler Technologies GmbH & Co. KGInventors: Edgar Streit, Oskar Beer
-
Patent number: 8844140Abstract: A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause residual compressive stresses to form beneath the contact surface of the steel part, at least in a load-free state, down to a depth.Type: GrantFiled: October 27, 2011Date of Patent: September 30, 2014Assignee: Schaeffler Technologies AG & Co. KGInventors: Oskar Beer, Franz-Josef Ebert, Gerhard Kreiselmeier, Edgar Streit
-
Patent number: 8479396Abstract: A method for hardening running surfaces of roller bearing components, in particular outer bearing rings. In order to provide the edge area (functional layer) of the roller bearing components with a deep layer which is particularly hard and resistant to corrosion, the roller bearing component undergoes nitration for a long period of time at a temperature of between 450 and 650° C. for at least 25 hours. During treatment no carburizing and subsequently no quenching takes place.Type: GrantFiled: May 23, 2007Date of Patent: July 9, 2013Assignee: Schaeffler Technologies AG & Co. KGInventors: Edgar Streit, Oskar Beer
-
Patent number: 8210751Abstract: A roller bearing which has a roller bearing ring. In order to produce a roller bearing that has a high rotational speed value and operational load using minimum quantity lubrication and in which heat produced in the bearing can be removed in a rapid and reliable manner, the roller bearing ring is made of a material composite. The first material composite component forms the running surface and is made of a refractory metal or a sintering material. The thermal conductivity and heat resistance first material composite component is higher than the thermal conductivity and heat resistance of at least one additional material composite component which forms the base body of the roller bearing ring.Type: GrantFiled: May 23, 2007Date of Patent: July 3, 2012Assignee: Schaeffler Technologies AG & Co. KGInventors: Edgar Streit, Oskar Beer
-
Publication number: 20120037278Abstract: A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause residual compressive stresses to form beneath the contact surface of the steel part, at least in a load-free state, down to a depth.Type: ApplicationFiled: October 27, 2011Publication date: February 16, 2012Applicant: SCHAEFFLER TECHNOLOGIES GMBH & CO. KGInventors: Oskar BEER, Franz-Josef EBERT, Gerhard KREISELMEIER, Edgar STREIT
-
Patent number: 8070364Abstract: A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause residual compressive stresses to form beneath the contact surface of the steel part, at least in a load-free state, down to a depth.Type: GrantFiled: August 3, 2005Date of Patent: December 6, 2011Assignee: Schaeffler KGInventors: Oskar Beer, Franz-Josef Ebert, Gerhard Kreiselmeier, Edgar Streit
-
Patent number: 8051716Abstract: A method for testing a bearing component in order to ensure that the bearing surface and a load-bearing region located underneath the bearing surface are in a perfect condition. A material testing depth containing the point of maximum mechanical load during operation is determined. In a first partial testing step, the bearing component is subjected to an ultrasound test by which the material region underneath the bearing surface is tested for defects by ultrasound, at least up to the material testing depth. In a second partial testing step, a full optical test of the bearing surface is carried out During the second partial testing step, the actual surface state of the bearing surface is compared with a nominal surface state. The bearing component is then only classified as faultless if the results of the two partial testing steps do not reveal any defects.Type: GrantFiled: September 12, 2007Date of Patent: November 8, 2011Assignee: Schaeffler KGInventors: Oskar Beer, Edgar Streit
-
Patent number: 7857518Abstract: An antifriction hearing race, particularly for highly stressed antifriction bearings in aircraft power units, which have a fixed joining of two layers made of different metallic materials, with an area of the raceways for the roller bodies being made of a steel with a very high degree of hardness and resistance to wear, and the core area of the antifriction bearing race being made of a high-strength steel. A powder-metallurgical high-speed steel has a high content of carbide-forming alloying elements and a high carbon content is provided as the material for the raceway of the roller bodies, whereas the material for the core area of the antifriction bearing race is made of a hot-work steel with, in comparison to the raceway material, a lower content of carbide-forming alloying elements and with a low carbon content, both materials being joined to one another with material fit by diffusion welding.Type: GrantFiled: May 6, 2006Date of Patent: December 28, 2010Assignee: Schaeffler KGInventors: Oskar Beer, Edgar Streit
-
Publication number: 20100058592Abstract: The invention relates to a method for hardening running surfaces of roller bearing components, in particular outer bearing rings. In order to provide the edge area (functional layer) of the roller bearing components with a deep layer which is particularly hard and resistant to corrosion, the roller bearing component undergoes nitration for a long period of time at a temperature of between 450 and 650° C. and for at least 25 hours. During said treatment no carburizing and subsequently no quenching takes place.Type: ApplicationFiled: May 23, 2007Publication date: March 11, 2010Applicant: SCHAEFFLER KGInventors: Edgar STREIT, Oskar BEER
-
Publication number: 20090308162Abstract: The invention relates to methods for testing a bearing component, in order to ensure that the bearing surface and a load-bearing region located underneath said bearing surface are in a perfect condition. According to the invention, a material testing depth containing the point of maximum mechanical load during operation is determined; in a first partial testing step, the bearing component is subjected to an ultrasound test by which means the material region underneath the bearing surface is tested for defects by means of ultrasound, at least up to the material testing depth; in a second partial testing step, a full optical test of the bearing surface is carried out, during which the actual surface state of the bearing surface is compared with a nominal surface state; and the bearing component is then only classified as faultless if the results of the two partial testing steps do not reveal any defects.Type: ApplicationFiled: September 12, 2007Publication date: December 17, 2009Applicant: SCHAEFFLER KGInventors: Oskar Beer, Edgar Streit
-
Publication number: 20090263067Abstract: The invention relates to a roller bearing comprising a roller bearing ring. In order to produce a roller bearing that has a high rotational speed value and operational load using minimum quantity lubrication and in which the heat produced in the bearing can be removed in a rapid and reliable manner, the roller bearing ring is made of a material composite. The first material composite component forms the running surface and is made of a refractory metal or a sintering material, the thermal conductivity and heat resistance thereof being higher than the thermal conductivity and heat resistance of the at least one additional material composite component which forms the base body of the roller bearing ring.Type: ApplicationFiled: May 23, 2007Publication date: October 22, 2009Applicant: SCHAEFFLER KGInventors: Edgar Streit, Oskar Beer
-
Publication number: 20080212911Abstract: The invention relates to an antifriction bearing race, particularly for highly stressed antifriction bearings in aircraft power units, which are comprised of a fixed joining of two layers made of different metallic materials, the area of the raceway for the roller bodies being made of a steel with a very high degree of hardness and resistance to wear, and the core area of the antifriction bearing race being made of a high-strength steel. According to the invention, a powder-metallurgical high-speed steel having a high content of carbide-forming alloying elements and a high carbon content is provided as the material for the raceway of the roller bodies, whereas the material for the core area of the antifriction bearing race is made of a hot-work steel with, in comparison to the raceway material, a lower content of carbide-forming alloying elements and with a low carbon content, both materials being joined to one another with material fit by diffusion welding.Type: ApplicationFiled: May 6, 2006Publication date: September 4, 2008Applicant: SCHAEFFLER KGInventors: Oskar Beer, Edgar Streit
-
Publication number: 20060056754Abstract: A machine element of steel with a martensitic microstructure and which at least in a load-free state, has thermochemically produced residual compressive stresses in the microstructure under at least a portion of the surface of the machine element, down to a depth from the surface of the element. The stresses are in an outer layer of the element which may be treated specially. The element may be one element of a rolling bearing.Type: ApplicationFiled: August 3, 2005Publication date: March 16, 2006Inventors: Oskar Beer, Franz-Josef Ebert, Gerhard Kreiselmeier, Edgar Streit
-
Publication number: 20060029318Abstract: A roller bearing having two cooperating rolling parts of which one is of ceramic and the other of a steel. The steel part is of such structure and/or material and/or is so produced to cause residual compressive stresses to form beneath the contact surface of the steel part, at least in a load-free state, down to a depth.Type: ApplicationFiled: August 3, 2005Publication date: February 9, 2006Inventors: Oskar Beer, Franz-Josef Ebert, Gerhard Kreiselmeier, Edgar Streit