Patents by Inventor E. Clark

E. Clark 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).

  • Electrostatic grid device to reduce electron space charge
    Patent number: 11205564
    Abstract: Disclosed embodiments include vacuum electronic devices, methods of operating a vacuum electronic device, and methods of fabricating a vacuum electronic device. In a non-limiting embodiment, a vacuum electronics device includes a cathode and an anode. At least one focus grid is disposed between the cathode and the anode, and the at least one focus grid is physically disconnected from the cathode. The at least one acceleration grid is disposed between the cathode and the anode, and the at least one acceleration grid is further disposed adjacent the at least one focus grid. The at least one acceleration grid is physically disconnected from the cathode.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: December 21, 2021
    Assignee: MODERN ELECTRON, INC.
    Inventors: Stephen E. Clark, Richard M. Gorski, Arvind Kannan, Andrew T. Koch, Andrew R. Lingley, Hsin-I Lu, Max N. Mankin, Tony S. Pan, Jason M. Parker
  • CMC honeycomb base for abradable coating on CMC BOAS
    Patent number: 11187100
    Abstract: A method of forming a blade outer air seal includes applying a cavity layer that has a plurality of cavities to a radially inner side of a seal body. The cavity layer is coated with an abradable coating.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: November 30, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: William M. Barker, Thomas E. Clark
  • COMBINED HEATING AND POWER MODULES AND DEVICES
    Publication number: 20210351722
    Abstract: Various disclosed embodiments include combined heating and power modules and combined heat and power devices. In an illustrative embodiment, a combined heat and power device includes a heating system including: at least one burner; at least one igniter configured to ignite the at least one burner; a fluid motivator assembly including an electrically powered prime mover; and a heat exchanger fluidly couplable to the fluid motivator assembly. At least one alkali metal thermal-to-electricity converter (AMTEC) has a high pressure zone and a low pressure zone, the high pressure zone being thermally couplable to the at least one burner, the low pressure zone being thermally couplable to the heat exchanger.
    Type: Application
    Filed: March 12, 2021
    Publication date: November 11, 2021
    Inventors: Justin B. Ashton, Stephen E. Clark, William Kokonaski, Daniel Kraemer, John J. Lorr, Max N. Mankin, David J. Menacher, Patrick D. Noble, Tony S. Pan, Alexander J. Pearse, Ad de Pijper, Lowell L. Wood
  • FLUID FEED HOLE PORT DIMENSIONS
    Publication number: 20210323315
    Abstract: A fluid ejection device may include fluid actuators, ejection chambers adjacent the fluid actuators, nozzles extending from the ejection chambers, and fluid feed holes to supply fluid from a fluid supply passage to the ejection chambers. The fluid feed holes have ports connected to the ejection chambers. The ports are sized to pass bubbles formed by the fluid actuators out of the ejection chambers.
    Type: Application
    Filed: January 9, 2019
    Publication date: October 21, 2021
    Inventors: Garrett E. Clark, Michael W. CUMBIE
  • NOZZLE ARRANGEMENTS
    Publication number: 20210291520
    Abstract: In some examples, a fluid ejection die includes a plurality of nozzles arranged in a plurality of nozzle columns, the plurality of nozzle columns distributed across a width of the fluid ejection die in a staggered manner, wherein nozzles of each respective nozzle column of the plurality of nozzle columns are spaced apart along a length of the fluid ejection die, wherein the plurality of nozzle columns includes a first pair of neighboring nozzle columns that are spaced by a first distance across the width. The plurality of nozzle columns includes a second pair of neighboring nozzle columns that are spaced by a second distance across the width, the second distance being larger than the first distance.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Inventors: Galen Cook, Garrett E Clark, Michael W Cumbie, James R Przybyla, Richard Seaver, Frank D Derryberry, Si-lam J Choy
  • CMC boas arrangement
    Patent number: 11125096
    Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of seal segments that extend circumferentially about an axis and mounted in a support structure via a carrier. Each of the seal segments has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first and second hook extend along the base portion in an axial direction. The first and second hooks are engaged with the carrier. The carrier has a wall forward or aft of the first and second hooks and extends radially inward of the first and second hooks.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: September 21, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas E. Clark, William M. Barker
  • Blade outer air seal with face seal
    Patent number: 11125098
    Abstract: A blade outer air seal includes a carrier, a ceramic seal segment, and a face seal. The ceramic seal segment is supported on the carrier and has first and second axial ends, first and second circumferential sides, an inner side, and an outer side. The face seal is carried on the ceramic seal segment at the first axial end. The face seal has a radial seal wall and a tongue that extends axially from the radial seal wall.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: September 21, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: William M. Barker, Thomas E. Clark
  • Blade outer air seal with circumferential hook assembly
    Patent number: 11111806
    Abstract: A gas turbine engine includes a compressor section and a turbine section. The turbine section includes at least one rotor and at least one blade extending radially outwardly from the rotor to a radially outer tip. A blade outer air seal assembly is positioned radially outwardly of the radially outer tip of the blade. The blade outer air seal has forward and aft hooks, and the forward and aft hooks are supported on forward and aft seal hooks of an attachment block. The blade outer air seal forward and aft hooks extend at angles relative to an upper surface of a web that is between 20 and 70 degrees. A method is also disclosed.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: September 7, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Thomas E. Clark, William M. Barker, Daniel J. Whitney
  • CMC BOAS arrangement
    Patent number: 11105214
    Abstract: A blade outer air seal includes a base portion. A first wall and a second wall extend from the base portion. The first wall is circumferentially spaced from the second wall. The first and second walls extend at an angle less than 90° from the base portion. The first and second walls extend towards one another.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: August 31, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Ken F. Blaney, Thomas E. Clark
  • CMC BOAS with internal support structure
    Patent number: 11098608
    Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion to an outer wall. A rib extends from the base portion to the outer wall and spaced axially between the first and second walls.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 24, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas E. Clark, Daniel J. Whitney, William M. Barker
  • COMBINED HEATING AND POWER MODULES AND DEVICES
    Publication number: 20210254581
    Abstract: Various disclosed embodiments include combined heating and power modules and combined heat and power devices. In an illustrative embodiment, a combined heat and power device includes a heating system including: at least one burner; at least one igniter configured to ignite the at least one burner; a fluid motivator assembly including an electrically powered prime mover; and a heat exchanger fluidly couplable to the fluid motivator assembly. At least one alkali metal thermal-to-electricity converter (AMTEC) has a high pressure zone and a low pressure zone, the high pressure zone being thermally couplable to the at least one burner, the low pressure zone being thermally couplable to the heat exchanger.
    Type: Application
    Filed: March 12, 2021
    Publication date: August 19, 2021
    Inventors: Justin B. Ashton, Stephen E. Clark, William Kokonaski, Daniel Kraemer, John J. Lorr, Max N. Mankin, David J. Menacher, Patrick D. Noble, Tony S. Pan, Alexander J. Pearse, Ad de Pijper, Lowell L. Wood
  • COMBINED HEATING AND POWER MODULES AND DEVICES
    Publication number: 20210257959
    Abstract: Various disclosed embodiments include combined heating and power modules and combined heat and power devices. In an illustrative embodiment, a combined heat and power device includes a heating system including: at least one burner; at least one igniter configured to ignite the at least one burner; a fluid motivator assembly including an electrically powered prime mover; and a heat exchanger fluidly couplable to the fluid motivator assembly. At least one thermophotovoltaic converter has a photon emitter and at least one photovoltaic cell, the photon emitter being thermally couplable to the at least one burner, the at least one photovoltaic cell being thermally couplable to the heat exchanger.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 19, 2021
    Inventors: Justin B. Ashton, Stephen E. Clark, William Kokonaski, Daniel Kraemer, John J. Lorr, Max N. Mankin, David J. Menacher, Patrick D. Noble, Tony S. Pan, Alexander J. Pearse, Ad de Pijper, Lowell L. Wood
  • COMBINED HEATING AND POWER MODULES AND DEVICES
    Publication number: 20210257958
    Abstract: Various disclosed embodiments include combined heating and power modules and combined heat and power devices. In an illustrative embodiment, a combined heat and power device includes a heating system including: at least one burner; at least one igniter configured to ignite the at least one burner; a fluid motivator assembly including an electrically powered prime mover; and a heat exchanger fluidly couplable to the fluid motivator assembly. At least one thermophotovoltaic converter has a photon emitter and at least one photovoltaic cell, the photon emitter being thermally couplable to the at least one burner, the at least one photovoltaic cell being thermally couplable to the heat exchanger.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 19, 2021
    Inventors: Justin B. Ashton, Stephen E. Clark, William Kokonaski, Daniel Kraemer, John J. Lorr, Max N. Mankin, David J. Menacher, Patrick D. Noble, Tony S. Pan, Alexander J. Pearse, Ad de Pijper, Lowell L. Wood
  • BOAS retention assembly with interlocking ring structures
    Patent number: 11085332
    Abstract: A blade outer air seal retention assembly may comprise a forward retention ring and an aft retention ring coupled to the forward retention ring. The forward retention ring may comprise a first shiplap flange extending aft from the forward retention ring. The aft retention ring may comprise a second shiplap flange extending forward from the aft retention ring.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 10, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Thomas E. Clark, Dean W. Johnson
  • CMC BOAS assembly
    Patent number: 11085317
    Abstract: A blade outer air seal includes a base portion. A first wall and a second wall extend radially from the base portion. The first wall is axially spaced from the second wall. The first and second walls extend in a circumferential direction. A first hook extends from the first wall and a second hook extends from the second wall. The first and second hooks extend in an axial direction towards one another to form a passage that extends in the circumferential direction. The passage is configured to receive a carrier. A tab extends radially outward from the second hook. The tab is configured to engage with the carrier.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 10, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Dean W. Johnson, Thomas E. Clark
  • Blade outer air seal formed of laminate and having radial support hooks
    Patent number: 11085316
    Abstract: A gas turbine engine includes a turbine blade extending radially outwardly to a radially outer tip and for rotation about an axis of rotation. A blade outer air seal is positioned radially outwardly of the radially outer tip of the turbine blade. The blade outer air seal has a forward hook at an axially forward location and an aft hook at an axially aft location. An axial direction is defined by a rotational axis of the turbine blade. The blade outer air seal has a central web extending axially between the forward and aft hooks. The forward and aft hooks extend generally radially outward from the central web, and have slots for being received on forward and aft support hooks of a blade outer air seal support.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: August 10, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: William M. Barker, Thomas E. Clark, Daniel J. Whitney, Winston Gregory Smiddy
  • QUARTERNIZED TITANIUM-NITRIDE ANTI-BACTERIAL COATING FOR DENTAL IMPLANTS
    Publication number: 20210228323
    Abstract: Disclosed herein is a method for forming an anti-microbial layer on an apparatus. Also disclosed is a method for improving the anti-bacterial properties of a titanium device coated with titanium-nitride (TiN). Also disclosed is a medical apparatus comprising an anti-microbial layer prepared by the disclosed methods. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
    Type: Application
    Filed: July 31, 2019
    Publication date: July 29, 2021
    Inventors: Josephine F. Esquivel-Upshaw, Fan Ren, Patrick Carey, Arthur E. Clark, Jr., Christopher D. Batich
  • CMC BOAS arrangement
    Patent number: 11073038
    Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of segments that extend circumferentially about an axis and are mounted in a support structure. At least two of the segments have a first wall circumferentially spaced from a second wall. A base portion extends from the first wall to the second wall. A first hook extends from the first wall and a second hook extends from the second wall. A wedge seal is arranged between the at least two adjacent seal segments. A clip is configured to bias the wedge seal radially inward.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 27, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Ken F. Blaney, Thomas E. Clark
  • CMC BOAS arrangement
    Patent number: 11073037
    Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of segments that extend circumferentially about an axis and are mounted in a support structure via a carrier. At least one of the segments have a first wall circumferentially spaced from a second wall. A base portion extends from the first wall to the second wall. The first and second walls extend at an angle less than 90° from the base portion. The carrier has a flat portion that extends from the first wall to the second wall.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 27, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Ken F. Blaney, Thomas E. Clark
  • CMC COMPONENT WITH INTEGRAL COOLING CHANNELS AND METHOD OF MANUFACTURE
    Publication number: 20210199013
    Abstract: A fiber-reinforced component for use in a gas turbine engine includes a fiber sleeve forming a cooling channel and a plurality of fiber plies enclosing the fiber sleeve, with the plurality of fiber plies forming first and second walls separated by the fiber sleeve. The fiber-reinforced component further includes a matrix material between fibers of the fiber sleeve and the plurality of fiber plies.
    Type: Application
    Filed: February 7, 2020
    Publication date: July 1, 2021
    Inventors: Kathryn S. Read, Andrew J. Lazur, Thomas E. Clark