Patents by Inventor Thomas D. Kasprow
Thomas D. Kasprow 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: 11952916Abstract: A coating for a blade root/disk interface includes a layer of soft metal matrix, and a solid lubricant distributed through the soft metal matrix. Examples of materials include CuAl as the soft metal matrix and MoS2 as the solid lubricant, although others are also disclosed.Type: GrantFiled: August 14, 2020Date of Patent: April 9, 2024Assignee: RTX CorporationInventors: Pantcho P. Stoyanov, Kelly M. Harrington, Thomas D. Kasprow
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Patent number: 11313281Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly including a seal plate mounted for rotation with the rotatable shaft and a face seal in contact with the seal plate at a contact area. The seal assembly includes an abradable coating adjacent the contact area, and the abradable coating includes magnetic particles.Type: GrantFiled: July 16, 2020Date of Patent: April 26, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Pantcho P. Stoyanov, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow
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Patent number: 11313280Abstract: A gas turbine engine according to an exemplary aspect of this disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The gas turbine engine further includes a seal assembly including a static structure and a rotatable structure configured to meet to form a contact area. The seal assembly includes an abradable coating on one of the static structure and the rotatable structure, and the seal assembly further includes a cutter on the other of the static structure and the rotatable structure.Type: GrantFiled: July 16, 2020Date of Patent: April 26, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Agnieszka M. Wusatowska-Sarnek, Pantcho P. Stoyanov, Thomas D. Kasprow
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Patent number: 11293351Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly including a seal plate mounted for rotation with the rotatable shaft and a face seal in contact with the seal plate at a contact area. The seal assembly further includes an abradable coating adjacent the contact area. The abradable coating includes magnetic particles embedded in a polymer material.Type: GrantFiled: July 16, 2020Date of Patent: April 5, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Agnieszka M. Wusatowska-Sarnek, Pantcho P. Stoyanov, Thomas D. Kasprow
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Publication number: 20220049611Abstract: A coating for a blade root/disk interface includes a layer of soft metal matrix, and a solid lubricant distributed through the soft metal matrix. Examples of materials include CuAl as the soft metal matrix and MoS2 as the solid lubricant, although others are also disclosed.Type: ApplicationFiled: August 14, 2020Publication date: February 17, 2022Applicant: Raytheon Technologies CorporationInventors: Pantcho P. Stoyanov, Kelly M. Harrington, Thomas D. Kasprow
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Publication number: 20220018289Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly including a seal plate mounted for rotation with the rotatable shaft and a face seal in contact with the seal plate at a contact area. The seal assembly further includes an abradable coating adjacent the contact area. The abradable coating includes magnetic particles embedded in a polymer material.Type: ApplicationFiled: July 16, 2020Publication date: January 20, 2022Inventors: Agnieszka M. Wusatowska-Sarnek, Pantcho P. Stoyanov, Thomas D. Kasprow
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Publication number: 20220018291Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly including a seal plate mounted for rotation with the rotatable shaft and a face seal in contact with the seal plate at a contact area. The seal assembly includes an abradable coating adjacent the contact area, and the abradable coating includes magnetic particles.Type: ApplicationFiled: July 16, 2020Publication date: January 20, 2022Inventors: Pantcho P. Stoyanov, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow
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Publication number: 20220018290Abstract: A gas turbine engine according to an exemplary aspect of this disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The gas turbine engine further includes a seal assembly including a static structure and a rotatable structure configured to meet to form a contact area. The seal assembly includes an abradable coating on one of the static structure and the rotatable structure, and the seal assembly further includes a cutter on the other of the static structure and the rotatable structure.Type: ApplicationFiled: July 16, 2020Publication date: January 20, 2022Inventors: Agnieszka M. Wusatowska-Sarnek, Pantcho P. Stoyanov, Thomas D. Kasprow
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Patent number: 11209010Abstract: A multilayer abradable coating includes at least one first abradable layer; and at least one second abradable layer, wherein the first abradable layer and the second abradable layer have different properties related to erosion resistance.Type: GrantFiled: February 13, 2017Date of Patent: December 28, 2021Assignee: Raytheon Technologies CorporationInventors: Pantcho P. Stoyanov, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow, David Ulrich Furrer, Sergei F. Burlatsky
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Patent number: 11028721Abstract: An abrasive coating for a substrate of a component in a gas path exposed to a maximum temperature of 500 degree Fahrenheit, comprising: a plurality of grit particles adapted to be placed on a top surface of the substrate; a matrix material bonded to the top surface; the matrix material partially surrounds the grit particles, wherein the grit particles extend above the matrix material relative to the top surface; and a film of oxidant resistant coating applied over the plurality of grit particles and the matrix material.Type: GrantFiled: July 19, 2018Date of Patent: June 8, 2021Assignee: Ratheon Technologies CorporationInventors: Kevin Seymour, Christopher W. Strock, Thomas D. Kasprow
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Patent number: 10927685Abstract: An abrasive coating for a substrate of a component in a gas path exposed to a maximum temperature of 1750 degree Fahrenheit, comprising a plurality of grit particles adapted to be placed on a top surface of the substrate; a matrix material bonded to the top surface; the matrix material partially surrounds the grit particles, wherein the grit particles extend above the matrix material relative to the top surface; and a film of oxidant resistant coating applied over the plurality of grit particles and the matrix material.Type: GrantFiled: July 19, 2018Date of Patent: February 23, 2021Assignee: Raytheon Technologies CorporationInventors: Kevin Seymour, Christopher W. Strock, Thomas D. Kasprow
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Publication number: 20200025016Abstract: An abrasive coating for a substrate of a component in a gas path exposed to a maximum temperature of 500 degree Fahrenheit, comprising: a plurality of grit particles adapted to be placed on a top surface of the substrate; a matrix material bonded to the top surface; the matrix material partially surrounds the grit particles, wherein the grit particles extend above the matrix material relative to the top surface; and a film of oxidant resistant coating applied over the plurality of grit particles and the matrix material.Type: ApplicationFiled: July 19, 2018Publication date: January 23, 2020Applicant: United Technologies CorporationInventors: Kevin Seymour, Christopher W. Strock, Thomas D. Kasprow
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Publication number: 20200024971Abstract: An abrasive coating for a substrate of a component in a gas path exposed to a maximum temperature of 1750 degree Fahrenheit, comprising a plurality of grit particles adapted to be placed on a top surface of the substrate; a matrix material bonded to the top surface; the matrix material partially surrounds the grit particles, wherein the grit particles extend above the matrix material relative to the top surface; and a film of oxidant resistant coating applied over the plurality of grit particles and the matrix material.Type: ApplicationFiled: July 19, 2018Publication date: January 23, 2020Applicant: United Technologies CorporationInventors: Kevin Seymour, Christopher W. Strock, Thomas D. Kasprow
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Patent number: 10494945Abstract: A blade outer airseal has a body comprising: an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; and a trailing end. The airseal body has a metallic substrate and a coating system atop the substrate along at least a portion of the inner diameter surface. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer system comprising a plurality of layers including a relatively erosion-resistant first layer atop a relatively abradable second layer.Type: GrantFiled: April 25, 2016Date of Patent: December 3, 2019Assignee: United Technologies CorporationInventors: Daniel Anthony Grande, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow, David Ulrich Furrer, Sergei F. Burlatsky
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Patent number: 10480345Abstract: In combination a wear indication sensor and a component of a gas turbine engine is provided. The wear indication sensor is secured to a first surface of the component of the gas turbine engine. The wear indication sensor comprises: a first terminal; a second terminal electrically connected to the first terminal; two or more of resistors electrically connecting the first terminal to the second terminal, each of the two or more resistors including a first end electrically connected to the first terminal and a second end electrically connected to the second terminal, wherein each of the two or more resistors has a known resistance; and a first electrode electrically connecting the first terminal to the first end of each of the two or more resistors; wherein the first end of each of the two or more resistors is electrically connected to the first electrode through primary conductive lines.Type: GrantFiled: July 18, 2017Date of Patent: November 19, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Sameh Dardona, Dustin D. Caldwell, Paul Sheedy, Thomas D. Kasprow
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Publication number: 20190024532Abstract: In combination a wear indication sensor and a component of a gas turbine engine is provided. The wear indication sensor is secured to a first surface of the component of the gas turbine engine. The wear indication sensor comprises: a first terminal; a second terminal electrically connected to the first terminal; two or more of resistors electrically connecting the first terminal to the second terminal, each of the two or more resistors including a first end electrically connected to the first terminal and a second end electrically connected to the second terminal, wherein each of the two or more resistors has a known resistance; and a first electrode electrically connecting the first terminal to the first end of each of the two or more resistors; wherein the first end of each of the two or more resistors is electrically connected to the first electrode through primary conductive lines.Type: ApplicationFiled: July 18, 2017Publication date: January 24, 2019Inventors: Sameh Dardona, Dustin D. Caldwell, Paul Sheedy, Thomas D. Kasprow
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Publication number: 20180231014Abstract: A multilayer abradable coating includes at least one first abradable layer; and at least one second abradable layer, wherein the first abradable layer and the second abradable layer have different properties related to erosion resistance.Type: ApplicationFiled: February 13, 2017Publication date: August 16, 2018Applicant: United Technologies CorporationInventors: Pantcho P. Stoyanov, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow, David Ulrich Furrer, Sergei F. Burlatsky
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Patent number: 9957824Abstract: A stationary guide vane includes a top platform, a bottom platform, and a vane body located between the top platform and the bottom platform. The vane body includes one or more cavities formed on a side wall of the vane body. One or more of the cavities are filled with vibration damping material and a vane cover is bonded to the vane body over the one or more containers.Type: GrantFiled: March 14, 2014Date of Patent: May 1, 2018Assignee: United Technologies CorporationInventors: Carl Brian Klinetob, Stephen J. Lindahl, Myron L. Klein, Andrew Pope, William Richard Ganoe, Jr., Thomas D. Kasprow, Douglas J. Morgan
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Patent number: 9939247Abstract: A wear monitoring system for measuring incursion depth into an abradable coating includes a layer of abradable coating including a depth. At least one measurement circuit includes a plurality of conductive leads disposed within the abradable coating. The conductive leads are spaced radially apart within a common radial plane corresponding to the depth of the abradable coating. A plurality of resistor elements corresponds with the plurality of conductive leads. Each of the plurality of resistor elements are in electrical communication with one of the plurality of conductive leads disposed within the common radial plane of the corresponding one of the plurality of conductive leads. An electrical characteristic of the circuit varies responsive to cutting of one or more of the plurality of conductive leads by a passing airfoil. A gas turbine engine and method are also disclosed.Type: GrantFiled: December 5, 2016Date of Patent: April 10, 2018Assignee: United Technologies CorporationInventors: Sameh Dardona, Paul Sheedy, Marcin Piech, Daniel Anthony Grande, Wayde R. Schmidt, Cagatay Tokgoz, Thomas D. Kasprow, Lesia V. Protsailo
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Publication number: 20170306783Abstract: A blade outer airseal has a body comprising: an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; and a trailing end. The airseal body has a metallic substrate and a coating system atop the substrate along at least a portion of the inner diameter surface. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer system comprising a plurality of layers including a relatively erosion-resistant first layer atop a relatively abradable second layer.Type: ApplicationFiled: April 25, 2016Publication date: October 26, 2017Inventors: Daniel Anthony Grande, Agnieszka M. Wusatowska-Sarnek, Thomas D. Kasprow, David Ulrich Furrer, Sergei F. Burlatsky