Patents by Inventor Bjoern Schenk
Bjoern Schenk 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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Patent number: 11725266Abstract: Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 20.0% to about 21.5% chromium, about 8.5% to about 10.0% nickel, about 4.0% to about 5.0% manganese, about 0.5 to about 1.5% niobium, about 0.5% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements tungsten and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy, and methods of making the same, are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures up to about 1020° C.Type: GrantFiled: October 30, 2019Date of Patent: August 15, 2023Assignee: Garrett Transportation I Inc.Inventors: Pavan Chintalapati, Philippe Renaud, Piotr Gawron, Bjoern Schenk
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Patent number: 11530472Abstract: Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 20.0% to about 21.5% chromium, about 8.5% to about 10.0% nickel, about 4.0% to about 5.0% manganese, about 0.5% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements niobium, tungsten, and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy, and methods of making the same, are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures up to about 1020° C.Type: GrantFiled: October 30, 2019Date of Patent: December 20, 2022Assignee: Garrett Transportation I Inc.Inventors: Pavan Chintalapati, Philippe Renaud, Piotr Gawron, Bjoern Schenk
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AUSTENITIC STAINLESS STEEL ALLOYS AND TURBOCHARGER COMPONENTS FORMED FROM THE STAINLESS STEEL ALLOYS
Publication number: 20210301379Abstract: Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 24.0% to about 26.0% chromium, about 13.0% to about 20.0% nickel, about 4.5% to about 5.5% manganese, about 1.2 to about 1.5% niobium, about 1.0% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements tungsten and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures beyond about 1050° C., such as up to about 1070° C.Type: ApplicationFiled: October 1, 2020Publication date: September 30, 2021Applicant: Garrett Transportation I IncInventors: Pavan Chintalapati, Bjoern Schenk, Marc Wilson, Shanmugam Ganesan -
Publication number: 20210144872Abstract: The invention relates to a housing for an electrical device, in particular an electrical machine. The housing encloses a cavity. The housing has a housing cup and a housing part. The housing part, which is formed, for example, by a closing element, in particular a housing cover, is designed to be connected to the housing cup, in particular separably or inseparably, or to close the housing cup. According to the invention, the housing cup, in particular a housing wall of the housing cup, has an opening. The housing cup is made of metal, in particular steel or aluminum, at least in the region of a housing cup edge extending peripherally around the opening. The housing part is preferably made of plastic. The housing preferably has an adapter, which is in particular tubular, for connecting the housing cup to the housing part. The adapter is injection-molded or fused onto a longitudinal section of the housing cup edge.Type: ApplicationFiled: May 3, 2018Publication date: May 13, 2021Inventors: Bjoern Schenk, Joerg Moessner
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Publication number: 20210130942Abstract: Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 20.0% to about 21.5% chromium, about 8.5% to about 10.0% nickel, about 4.0% to about 5.0% manganese, about 0.5 to about 1.5% niobium, about 0.5% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements tungsten and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy, and methods of making the same, are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures up to about 1020° C.Type: ApplicationFiled: October 30, 2019Publication date: May 6, 2021Applicant: Garrett Transportation I Inc.Inventors: Pavan Chintalapati, Philippe Renaud, Piotr Gawron, Bjoern Schenk
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Publication number: 20210130940Abstract: Disclosed is an austenitic stainless steel alloy that includes or consists of, by weight, about 20.0% to about 21.5% chromium, about 8.5% to about 10.0% nickel, about 4.0% to about 5.0% manganese, about 0.5% to about 2.0% silicon, about 0.4% to about 0.5% carbon, about 0.2% to about 0.3% nitrogen, and a balance of iron with inevitable/unavoidable impurities. The elements niobium, tungsten, and molybdenum are excluded beyond impurity levels. Turbocharger turbine housings made of the stainless steel alloy, and methods of making the same, are also disclosed. The stainless steel alloy is suitable for use in turbocharger turbine applications for temperatures up to about 1020° C.Type: ApplicationFiled: October 30, 2019Publication date: May 6, 2021Applicant: Garrett Transportation I Inc.Inventors: Pavan Chintalapati, Philippe Renaud, Piotr Gawron, Bjoern Schenk
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Patent number: 8703661Abstract: Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is provided. The method includes applying a plurality of coated particles to a substrate, wherein each coated particle comprises a solid film lubricant particle and a layer surrounding an entire surface of the solid film lubricant particle, each solid film lubricant particle comprises at least one compound, and the layer comprises a coating material having a greater resistance to oxidation than the compound when subjected to a predetermined processing temperature and heating the substrate to the predetermined processing temperature to form a portion of a coating over the substrate.Type: GrantFiled: February 9, 2012Date of Patent: April 22, 2014Assignee: Honeywell International Inc.Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Publication number: 20120141290Abstract: Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is provided. The method includes applying a plurality of coated particles to a substrate, wherein each coated particle comprises a solid film lubricant particle and a layer surrounding an entire surface of the solid film lubricant particle, each solid film lubricant particle comprises at least one compound, and the layer comprises a coating material having a greater resistance to oxidation than the compound when subjected to a predetermined processing temperature and heating the substrate to the predetermined processing temperature to form a portion of a coating over the substrate.Type: ApplicationFiled: February 9, 2012Publication date: June 7, 2012Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Patent number: 8158205Abstract: A method includes applying a coating precursor material over a substrate, the coating precursor material comprising a powder having an average particle diameter in a range of about 10 nanometers to about 10 microns comprising a fluoride eutectic, a metal capable of oxidizing at about 535° C. to about 800° C., one or more materials selected from the group consisting of a metal oxide, a glass, a carbide, and a nitride, and optionally, a precious metal selected from silver, palladium, platinum, gold, rhodium, and alloys thereof, subjecting the coating to a sintering heat treatment, occurring at a first temperature in an inert or reducing atmosphere to sinter the metal of the precursor material, and exposing the coating to an oxidizing heat treatment performed in an oxidizing atmosphere at a second temperature that is less than the first temperature to oxidize a portion of the metal in the coating precursor material.Type: GrantFiled: June 5, 2009Date of Patent: April 17, 2012Assignee: Honeywell International Inc.Inventors: Reza Oboodi, James Piascik, Bjoern Schenk, Eric Passman, Richard Bye
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Patent number: 8137747Abstract: Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is provided. The method includes applying a plurality of coated particles to a substrate, wherein each coated particle comprises a solid film lubricant particle and a layer surrounding an entire surface of the solid film lubricant particle, each solid film lubricant particle comprises at least one compound, and the layer comprises a coating material having a greater resistance to oxidation than the compound when subjected to a predetermined processing temperature and heating the substrate to the predetermined processing temperature to form a portion of a coating over the substrate.Type: GrantFiled: July 30, 2008Date of Patent: March 20, 2012Assignee: Honeywell International Inc.Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Patent number: 7892659Abstract: Coating precursor materials, turbomachinery components, and methods of manufacturing the components are provided. In an embodiment, by way of example only, a coating precursor material includes a solid film lubricant component and a bonding component comprising at least one eutectic mixture, said at least one eutectic mixture selected from a group consisting of barium fluoride/nickel fluoride, barium fluoride/cobalt fluoride, and barium fluoride/barium fluoride-boron oxide.Type: GrantFiled: July 30, 2008Date of Patent: February 22, 2011Assignee: Honeywell International Inc.Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Publication number: 20100310763Abstract: A method includes applying a coating precursor material over a substrate, the coating precursor material comprising a powder having an average particle diameter in a range of about 10 nanometers to about 10 microns comprising a fluoride eutectic, a metal capable of oxidizing at about 535° C. to about 800° C., one or more materials selected from the group consisting of a metal oxide, a glass, a carbide, and a nitride, and optionally, a precious metal selected from silver, palladium, platinum, gold, rhodium, and alloys thereof, subjecting the coating to a sintering heat treatment, occurring at a first temperature in an inert or reducing atmosphere to sinter the metal of the precursor material, and exposing the coating to an oxidizing heat treatment performed in an oxidizing atmosphere at a second temperature that is less than the first temperature to oxidize a portion of the metal in the coating precursor material.Type: ApplicationFiled: June 5, 2009Publication date: December 9, 2010Inventors: Reza Oboodi, James Piascik, Bjoern Schenk, Eric Passman, Richard Bye
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Publication number: 20100029517Abstract: Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is provided. The method includes applying a plurality of coated particles to a substrate, wherein each coated particle comprises a solid film lubricant particle and a layer surrounding an entire surface of the solid film lubricant particle, each solid film lubricant particle comprises at least one compound, and the layer comprises a coating material having a greater resistance to oxidation than the compound when subjected to a predetermined processing temperature and heating the substrate to the predetermined processing temperature to form a portion of a coating over the substrate.Type: ApplicationFiled: July 30, 2008Publication date: February 4, 2010Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Publication number: 20100028718Abstract: Coating precursor materials, turbomachinery components, and methods of manufacturing the components are provided. In an embodiment, by way of example only, a coating precursor material includes a solid film lubricant component and a bonding component comprising at least one eutectic mixture, said at least one eutectic mixture selected from a group consisting of barium fluoride/nickel fluoride, barium fluoride/cobalt fluoride, and barium fluoride/barium fluoride-boron oxide.Type: ApplicationFiled: July 30, 2008Publication date: February 4, 2010Inventors: Reza Oboodi, James Piascik, Bjoern Schenk
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Patent number: 7638178Abstract: A protective coating for a component comprising a ceramic based substrate, and methods for protecting the component, the protective coating adapted for withstanding repeated thermal cycling. The substrate may comprise silicon nitride or silicon carbide, and the protective coating may comprise at least one tantalate of scandium, yttrium, or a rare earth element. The protective coating may further comprise one or more metal oxides. The coating protects the substrate from combustion gases in the high temperature turbine engine environment. The coating may be multi-layered and exhibits strong bonding to Si-based substrate materials and composites.Type: GrantFiled: November 5, 2004Date of Patent: December 29, 2009Assignee: Honeywell International Inc.Inventors: Derek Raybould, Chien-Wei Li, Bjoern Schenk, Thomas E. Strangman
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Patent number: 7578136Abstract: An integrated power and pressurization management system supplies electrical power and cabin pressurization and cooling air during both airborne and ground operations. The system includes an integral auxiliary power unit (APU) that has a compressor, a motor-generator, and a power turbine all mounted on one shaft. The integral APU can supply compressed air for cabin pressurization and environmental cooling functions, and can generate electrical power for various electrical loads. The system further includes one or more electrically driven compressors.Type: GrantFiled: June 23, 2005Date of Patent: August 25, 2009Assignee: Honeywell International Inc.Inventors: Jean-Luc Derouineau, Bjoern Schenk, Clarence Lui
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Patent number: 7323247Abstract: A protective barrier coating system including a diffusion barrier coating and an oxidation barrier coating and method for use in protecting silicon-based ceramic turbine engine components. A complete barrier coating system includes a thermal barrier coating of stabilized zirconia and an environmental barrier coating of an alloyed tantalum oxide. The oxidation barrier coating includes a layer of metallic silicates formed on a substrate of silicon nitride or silicon carbide to be protected. The oxidation barrier coating can include silicates of scandium, ytterbia or yttrium. The oxidation barrier coating may also include an inner layer of Si2ON2 between the diffusion barrier and the metallic silicate layer. The oxidation barrier coating can be applied to the substrate by spraying, slurry dipping and sintering, by a sol-gel process followed by sintering, by plasma spray, or by electron beam-physical vapor deposition.Type: GrantFiled: November 21, 2003Date of Patent: January 29, 2008Assignee: Honeywell International, Inc.Inventors: Derek Raybould, Chien-Wei Li, Bjoern Schenk, Thomas E. Strangman, Paul Chipko, Lee Poandl
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Publication number: 20080004170Abstract: Sintered silicon nitride products comprising predominantly ?-silicon nitride grains in combination with from about 0.1 to 30 mole % silicon carbide, and grain boundary secondary phases of scandium oxide and scandium disilicate. Such products have high fracture toughness, resistance to recession, and resistance to oxidation at temperatures of at least 1500° C. Methods for preparing sintered silicon nitride products are also disclosed.Type: ApplicationFiled: August 30, 2005Publication date: January 3, 2008Inventors: James Guiheen, Bjoern Schenk, Chien-Wei Li, Eric Passman
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Patent number: 7306860Abstract: A layered structure includes a substrate comprising a layer of an oxide/oxide ceramic based composite material, a first oxide layer disposed directly on the substrate and formed from a material that has no greater than about 10% porosity and is substantially impermeable by water vapor, and a second oxide layer disposed directly on the first oxide layer and having a greater porosity than the first oxide layer. Either or both the first and second oxide layers of the coating system may be deposited using a plasma spraying process, a slurry deposition process which is followed by a sintering step, or an EB-PVD process.Type: GrantFiled: July 30, 2004Date of Patent: December 11, 2007Assignee: Honeywell International, Inc.Inventors: Thomas E. Strangman, Bjoern Schenk, Paul R. Yankowich
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Patent number: 7300702Abstract: A component comprising a silicon-based substrate and a diffusion barrier coating disposed on the silicon-based substrate. The diffusion barrier coating comprises an isolation layer disposed directly on the silicon-based substrate and at least one oxygen barrier layer disposed on the isolation layer. The oxygen barrier layer prevents the diffusion of oxygen therethrough, and prevents excessive oxidation of the silicon-based substrate. The isolation layer(s) prevent contaminants and impurities from reacting with the oxygen barrier layer. An environmental barrier coating may be disposed on the diffusion barrier coating, and a thermal barrier coating may be disposed on the environmental barrier coating. Methods for making a component having a diffusion barrier coating are also disclosed.Type: GrantFiled: August 18, 2003Date of Patent: November 27, 2007Assignee: Honeywell International, Inc.Inventors: Chien-Wei Li, Derek Raybould, Thomas E. Strangman, Bjoern Schenk