Patents by Inventor David Richard Esler
David Richard Esler 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: 20200194387Abstract: A semiconductor device is provided. The semiconductor device includes an electric field (E-field) suppression layer formed over a termination region. The E-field suppression layer is patterned with openings over metal contact areas. The E-field suppression layer has a thickness such that an electric field strength above the E-field suppression layer is below a dielectric strength of an adjacent material when the semiconductor device is operating at or below a maximum voltage.Type: ApplicationFiled: December 14, 2018Publication date: June 18, 2020Inventors: Stephen Daley Arthur, Liangchun Yu, Nancy Cecelia Stoffel, David Richard Esler, Christopher James Kapusta
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Publication number: 20200124573Abstract: A system includes a structure bonding layer and a sensor. The structure bonding layer is disposed on a structure. The structure bonding layer is a metallic alloy. The sensor includes a non-metallic wafer and a sensor bonding layer disposed on a surface of the non-metallic wafer. The sensor bonding layer is a metallic alloy. The sensor bonding layer is coupled to the structure bonding layer via a metallic joint, and the sensor is configured to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer.Type: ApplicationFiled: December 19, 2019Publication date: April 23, 2020Inventors: Joseph Alfred Iannotti, Christopher James Kapusta, David Richard Esler
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Patent number: 10605785Abstract: A system includes a structure configured to have a structure bonding layer disposed on a surface of the structure. The structure bonding layer is a metallic alloy. The system includes a sensor configured to have a sensor bonding layer disposed on a surface of the sensor. The sensor bonding layer is a metallic alloy. The sensor bonding layer is configured to be coupled to the structure bonding layer via a metallic joint in order for the sensor to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer.Type: GrantFiled: June 7, 2017Date of Patent: March 31, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Joseph Iannotti, Christopher James Kapusta, David Richard Esler
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Publication number: 20180356368Abstract: A system includes a structure configured to have a structure bonding layer disposed on a surface of the structure. The structure bonding layer is a metallic alloy. The system includes a sensor configured to have a sensor bonding layer disposed on a surface of the sensor. The sensor bonding layer is a metallic alloy. The sensor bonding layer is configured to be coupled to the structure bonding layer via a metallic joint in order for the sensor to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer.Type: ApplicationFiled: June 7, 2017Publication date: December 13, 2018Inventors: Joseph Iannotti, Christopher James Kapusta, David Richard Esler
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Patent number: 9417048Abstract: A capacitive sensor device and a method of manufacture are provided. The capacitive sensor device includes at least one sensor tip that includes an electrode positioned at a first end of the sensor tip, and a stem member coupled to the electrode and extending toward a second end of the sensor tip. The device also includes a coaxial cable including a center conductor, the center conductor coupled to the sensor tip at the second end, and an insulation layer supporting the sensor tip between the first and second ends. The insulation layer includes a metallization on a portion surrounding the second end of the sensor tip. The device further includes a casing surrounding a portion of the coaxial cable, the metallization, and the coupling of the center conductor and the sensor tip, wherein a braze joint is formed between the casing and the metallization to form a hollow, hermetic cavity.Type: GrantFiled: October 31, 2012Date of Patent: August 16, 2016Assignee: General Electric CompanyInventors: David Richard Esler, Emad Andarawis Andarawis, Wayne Charles Hasz, Mahadevan Balasubramaniam
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Patent number: 8970228Abstract: A radial clearance measurement system is provided. The radial clearance measurement system comprises a radial clearance sensor that is relatively insensitive to axial movement of an object rotating relative to the radial clearance sensor. In one embodiment, the radial clearance sensor includes an electrode having a relatively constant overlap area over the range of axial movement of the object.Type: GrantFiled: May 31, 2012Date of Patent: March 3, 2015Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, Mahadevan Balasubramaniam, David Richard Esler
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Patent number: 8853550Abstract: A circuit board includes a solder wettable surface and a metal mask configured to restrict solder from flowing outside the solder wettable surface of the circuit board.Type: GrantFiled: February 25, 2011Date of Patent: October 7, 2014Assignee: General Electric CompanyInventors: Arun Virupaksha Gowda, Kevin Matthew Durocher, James Wilson Rose, Paul Jeffrey Gillespie, Richard Alfred Beaupre, David Richard Esler
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Publication number: 20140270650Abstract: An optical subassembly and method of manufacturing an optical subassembly are provided. One subassembly includes a base, an optical emitter attached to the base and one or more spacers attached to the base surrounding at least a portion of the optical emitter. The optical subassembly further includes a ferrule sleeve attached to the base with the optical emitter and one or more spacers within the ferrule sleeve, wherein the ferrule sleeve is configured to receive an optical fiber therein. The optical subassembly also includes one or more reinforcement members attached to the base adjacent the ferrule sleeve and configured to provide support to the ferrule sleeve.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Ansas Matthias Kasten, Sora Kim, David Richard Esler, Jim Grecco
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Patent number: 8829840Abstract: A condition monitoring method for an electrical machine is provided. The method includes providing at least one first sensor element embedded in or disposed on at least one substrate element located in a stator core for obtaining a first set of data. The method also includes providing at least one second sensor element for obtaining a second set of data from the electrical machine. Further, the method includes generating signals indicative of changes in characteristics of the first sensor element based on the second set of data. Finally, the method includes refining the first set of data by combining the first set of data with the generated signals.Type: GrantFiled: April 29, 2011Date of Patent: September 9, 2014Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Ertugrul Berkcan, Brock Matthew Lape, David Richard Esler
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Publication number: 20140119884Abstract: A capacitive sensor device and a method of manufacture are provided. The capacitive sensor device includes at least one sensor tip that includes an electrode positioned at a first end of the sensor tip, and a stem member coupled to the electrode and extending toward a second end of the sensor tip. The device also includes a coaxial cable including a center conductor, the center conductor coupled to the sensor tip at the second end, and an insulation layer supporting the sensor tip between the first and second ends. The insulation layer includes a metallization on a portion surrounding the second end of the sensor tip. The device further includes a casing surrounding a portion of the coaxial cable, the metallization, and the coupling of the center conductor and the sensor tip, wherein a braze joint is formed between the casing and the metallization to form a hollow, hermetic cavity.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: David Richard Esler, Emad Andarawis Andarawis, Wayne Charles Hasz, Mahadevan Balasubramaniam
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Publication number: 20130321000Abstract: A radial clearance measurement system is provided. The radial clearance measurement system comprises a radial clearance sensor that is relatively insensitive to axial movement of an object rotating relative to the radial clearance sensor. In one embodiment, the radial clearance sensor includes an electrode having a relatively constant overlap area over the range of axial movement of the object.Type: ApplicationFiled: May 31, 2012Publication date: December 5, 2013Applicant: General Electric CompanyInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, Mahadevan Balasubramaniam, David Richard Esler
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Patent number: 8536878Abstract: A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information.Type: GrantFiled: August 10, 2011Date of Patent: September 17, 2013Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, David Walter Parry, David Richard Esler, Zhiyuan Ren, Mahadevan Balasubramaniam, Cheryl Herron
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Publication number: 20120274258Abstract: A condition monitoring method for an electrical machine is provided. The method includes providing at least one first sensor element embedded in or disposed on at least one substrate element located in a stator core for obtaining a first set of data. The method also includes providing at least one second sensor element for obtaining a second set of data from the electrical machine. Further, the method includes generating signals indicative of changes in characteristics of the first sensor element based on the second set of data. Finally, the method includes refining the first set of data by combining the first set of data with the generated signals.Type: ApplicationFiled: April 29, 2011Publication date: November 1, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Emad Andarawis Andarawis, Ertugrul Berkcan, Brock Matthew Lape, David Richard Esler
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Patent number: 8272246Abstract: Self-calibration of a multiple channel clearance sensor system, which in one embodiment includes at least one sensor for measuring at least one clearance parameter signal between a stationary object and a rotating object of a rotating machine. The sensor output is processed as a clearance parameter by an offset correction section configured to determine an offset error in the clearance parameter signal which is used by a level shifter. The level shifter is also switchably coupled to the clearance parameter signal wherein the output of the level shifter, which may be amplified and digitally converted, is processed by a signal level analyzer to determine a channel gain signal.Type: GrantFiled: September 30, 2008Date of Patent: September 25, 2012Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, David Richard Esler, Zhiyuan Ren, Mahadevan Balasubramaniam, Ibrahim Issoufou Kouada
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Patent number: 8121813Abstract: A processing system for clearance estimation in a rotating machine includes one or more sensors and one or more digital signal processors for calculating the estimated clearance. The processing system may include techniques for obtaining real-time clearance estimates and techniques for obtaining averaged clearance estimates. Aspects of the processing system may also include a method of switching between real-time clearance estimates and averaged clearance estimates depending on the operating conditions of the rotating machine. Other aspects of the processing system include the use of two digital signal processors: a first digital signal processor configured to receive signals from a clearance sensor and perform a first set of high speed processing tasks, and a second digital signal processor configured to receive signals from the first digital signal processor and perform a second set of lower speed processing tasks.Type: GrantFiled: January 28, 2009Date of Patent: February 21, 2012Assignee: General Electric CompanyInventors: Zhiyuan Ren, Wayne Charles Hasz, Emad Andarawis Andarawis, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, William Lee Herron, Cheryl Lynn Herron, legal representative, David Walter Parry, David Richard Esler, Mahadevan Balasubramaniam
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Publication number: 20110295538Abstract: A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information.Type: ApplicationFiled: August 10, 2011Publication date: December 1, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, David Walter Parry, David Richard Esler, Zhiyuan Ren, Mahadevan Balasubramaniam, William Lee Herron, Cheryl Herron
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Patent number: 8022715Abstract: A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information.Type: GrantFiled: January 27, 2009Date of Patent: September 20, 2011Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Wayne Charles Hasz, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, David Walter Parry, David Richard Esler, Zhiyuan Ren, Mahadevan Balasubramaniam, William Lee Herron, Cheryl Herron, legal representative
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Publication number: 20110139495Abstract: A circuit board includes a solder wettable surface and a metal mask configured to restrict solder from flowing outside the solder wettable surface of the circuit board.Type: ApplicationFiled: February 25, 2011Publication date: June 16, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Arun Virupaksha Gowda, Kevin Matthew Durocher, James Wilson Rose, Paul Jeffrey Gillespie, Richard Alfred Beaupre, David Richard Esler
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Patent number: 7919714Abstract: An assembly including a solder wettable surface is provided. The assembly also includes a metal mask configured to restrict solder from flowing outside the solder wettable surface.Type: GrantFiled: May 9, 2007Date of Patent: April 5, 2011Assignee: General Electric CompanyInventors: Arun Virupaksha Gowda, Kevin Matthew Durocher, James Wilson Rose, Paul Jeffrey Gillespie, Richard Alfred Beaupre, David Richard Esler
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Publication number: 20100191502Abstract: A processing system for clearance estimation in a rotating machine includes one or more sensors and one or more digital signal processors for calculating the estimated clearance. The processing system may include techniques for obtaining real-time clearance estimates and techniques for obtaining averaged clearance estimates. Aspects of the processing system may also include a method of switching between real-time clearance estimates and averaged clearance estimates depending on the operating conditions of the rotating machine. Other aspects of the processing system include the use of two digital signal processors: a first digital signal processor configured to receive signals from a clearance sensor and perform a first set of high speed processing tasks, and a second digital signal processor configured to receive signals from the first digital signal processor and perform a second set of lower speed processing tasks.Type: ApplicationFiled: January 28, 2009Publication date: July 29, 2010Applicant: General Electric CompanyInventors: Zhiyuan Ren, Wayne Charles Hasz, Emad Andarawis Andarawis, David So Keung Chan, David Mulford Shaddock, John Harry Down, Samhita Dasgupta, William Lee Herron, David Walter Parry, Cheryl Lynn Herron, David Richard Esler, Mahadevan Balasubramaniam