Patents by Inventor Peter AT Cocks
Peter AT Cocks 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: 20240077028Abstract: A method for operating a rotating detonation engine, having a radially outer wall extending along an axis; a radially inner wall extending along the axis, wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet and an outlet, wherein the method includes flowing liquid phase fuel along at least one wall of the radially inner wall and the radially outer wall in a direction from the outlet toward the inlet to cool the at least one wall and heat the liquid fuel to provide a heated liquid fuel; flowing the heated liquid fuel to a mixer at the inlet to reduce pressure of the heated liquid fuel, flash vaporize the heated liquid fuel and mix flash vaporized fuel with oxidant to produce a vaporized fuel-oxidant mixture; and detonating the mixture in the annular detonation chamber.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: RTX CorporationInventors: Christopher Britton Greene, James M. Donohue, Peter AT Cocks
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Patent number: 11920524Abstract: An assembly is provided for a turbine engine with a flowpath. This turbine engine assembly includes a fuel injection system. The fuel injection system includes a first fuel injector and a second fuel injector. The fuel injection system is configured to provide the first fuel injector with first fuel and provide the second fuel injector with second fuel. The first fuel may be or include ammonia. The second fuel is different than the first fuel. The second fuel may be or include hydrogen gas. The first fuel injector is configured to direct the first fuel into the flowpath for combustion. The second fuel injector is configured to direct the second fuel into the flowpath for combustion.Type: GrantFiled: April 15, 2021Date of Patent: March 5, 2024Assignee: RTX CORPORATIONInventors: Lance L. Smith, Timothy S. Snyder, Jeffrey M. Cohen, Peter Cocks, Sean C. Emerson
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Publication number: 20240011637Abstract: A combustor for a rotating detonation engine includes a radially outer wall extending along an axis (A); a radially inner wall extending along the axis (A), wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet for fuel and oxidant and an outlet; a first passage for feeding at least one of the fuel and the oxidant along a first passage axis (a1) to the inlet; a second passage for feeding at least one of the fuel and the oxidant along a second passage axis (a2) to the inlet, wherein the second passage axis is arranged at an angle (a) relative to the first passage axis whereby mixing of flow from the first passage and the second passage is induced.Type: ApplicationFiled: June 23, 2023Publication date: January 11, 2024Applicant: Raytheon Technologies CorporationInventors: Zhongtao Dai, Peter AT Cocks
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Patent number: 11852077Abstract: A method for operating a rotating detonation engine, having a radially outer wall extending along an axis; a radially inner wall extending along the axis, wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet and an outlet, wherein the method includes flowing liquid phase fuel along at least one wall of the radially inner wall and the radially outer wall in a direction from the outlet toward the inlet to cool the at least one wall and heat the liquid fuel to provide a heated liquid fuel; flowing the heated liquid fuel to a mixer at the inlet to reduce pressure of the heated liquid fuel, flash vaporize the heated liquid fuel and mix flash vaporized fuel with oxidant to produce a vaporized fuel-oxidant mixture; and detonating the mixture in the annular detonation chamber.Type: GrantFiled: April 15, 2021Date of Patent: December 26, 2023Assignee: RTX CorporationInventors: Christopher Britton Greene, James M. Donohue, Peter AT Cocks
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Patent number: 11781484Abstract: A fuel system for a gas turbine engine includes a main fuel pump generating a main fuel flow into a main fuel passage and a secondary pump generating a secondary fuel flow into a secondary flow passage. A first control valve is disposed in a passage between the main fuel passage and the secondary flow passage. The first control valve selectively directs an excess portion of the main fuel flow to the secondary flow passage to provide at least a portion of the secondary fuel flow.Type: GrantFiled: August 2, 2022Date of Patent: October 10, 2023Assignee: RTX CORPORATIONInventors: Peter Cocks, Michael K. Ikeda
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Publication number: 20230220999Abstract: A combustor for a detonation engine includes a radially outer wall extending along an axis; a radially inner wall extending along the axis, wherein the radially inner wall is positioned at least partially within the radially outer wall to define an annular detonation chamber having an inlet for fuel and oxidant and an outlet; a cooling flow passage defined along at least one of the radially outer wall and the radially inner wall and comprising at least two axially spaced cooling flow passage sections, whereby a different cooling rate can be implemented in the at least two axially spaced cooling flow passage sections.Type: ApplicationFiled: April 9, 2021Publication date: July 13, 2023Applicant: Raytheon Technologies CorporationInventors: Joseph Turney, Christopher Britton Greene, Peter AT Cocks, Andrzej Ernest Kuczek, James M. Donohue
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Publication number: 20230129294Abstract: A gas turbine engine includes a cracking device that is configured to decompose a portion of an ammonia flow into a flow of component parts of the ammonia flow, a thermal transfer device that is configured to heat the ammonia flow to a temperature above 500° C. (932° F.), a combustor that is configured to receive and combust the flow of component parts of the ammonia flow to generate a high energy gas flow, a compressor section that is configured to supply compressed air to the combustor, and a turbine section in flow communication with the high energy gas flow produced by the combustor and mechanically coupled to drive the compressor section.Type: ApplicationFiled: December 21, 2022Publication date: April 27, 2023Inventors: Peter Cocks, Lance L. Smith
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Patent number: 11629858Abstract: A turbo-expanding cracking assembly includes a plurality of stages each including a rotating blade coupled to an output shaft and a fixed stator, at least one heat exchanger configured to transfer heat to an ammonia containing fuel flow, and a catalyst that is configured to decompose an ammonia containing fuel flow into a flow containing hydrogen (H2).Type: GrantFiled: February 4, 2022Date of Patent: April 18, 2023Assignee: Raytheon Technologies CorporationInventors: Malcolm MacDonald, Sean C. Emerson, Brian M. Holley, Lance L. Smith, Peter Cocks
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Patent number: 11568099Abstract: A process for designing an internal turbine engine component including operating a test rig incorporating a physical morphing component having a first geometry and generating a data set of empirically determined component performance parameters corresponding to the first geometry. Providing the data set of empirically determined component performance parameters to a computational optimization system and automatically. Determining a geometry optimization of the morphing component. Altering the geometry of the morphing component to match the geometry optimization. Reiterating operating the test rig and providing the data set of empirically determined component performance parameters.Type: GrantFiled: June 6, 2022Date of Patent: January 31, 2023Assignee: Raytheon Technologies CorporationInventors: Peter Cocks, Wookyung Kim
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Publication number: 20220412263Abstract: An energy extraction system according to an exemplary embodiment of this disclosure, among other possible things includes an ammonia fuel storage tank assembly that is configured to store a liquid ammonia fuel, a thermal transfer assembly that is configured to transform the liquid ammonia fuel into a vaporized ammonia based fuel, a turbo-expander that is configured to expand the vaporized ammonia based fuel to extract work, and an energy conversion device that is configured to use the vaporized ammonia based fuel from the turbo-expander to generate a work output.Type: ApplicationFiled: August 26, 2022Publication date: December 29, 2022Inventors: Lance L. Smith, Peter Cocks, Joseph B. Staubach
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Publication number: 20220381187Abstract: A fuel system for a gas turbine engine includes a main fuel pump generating a main fuel flow into a main fuel passage and a secondary pump generating a secondary fuel flow into a secondary flow passage. A first control valve is disposed in a passage between the main fuel passage and the secondary flow passage. The first control valve selectively directs an excess portion of the main fuel flow to the secondary flow passage to provide at least a portion of the secondary fuel flow.Type: ApplicationFiled: August 2, 2022Publication date: December 1, 2022Inventors: Peter Cocks, Michael K. Ikeda
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Patent number: 11498691Abstract: Redundant electrochemical systems and methods for vehicles are described. The systems include a first electrochemical device located at a first position on the vehicle wherein the first electrochemical device is configured to generate at least one of inert gas, oxygen, and electrical power and a second electrochemical device located at a second position on the vehicle wherein the second electrochemical device is configured to generate at least one of inert gas, oxygen, and electrical power. The first electrochemical device is configured to operate in a first mode during normal operation of the vehicle and a second mode when the second electrochemical device fails, wherein in the second mode, the first electrochemical device provides the at least one of inert gas, oxygen, and electrical power for at least one vehicle critical system of the vehicle.Type: GrantFiled: April 4, 2019Date of Patent: November 15, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Matthew Pess, Jonathan Rheaume, John S. Murphy, Peter AT Cocks
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Publication number: 20220333530Abstract: A method for operating a rotating detonation engine, having a radially outer wall extending along an axis; a radially inner wall extending along the axis, wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet and an outlet, wherein the method includes flowing liquid phase fuel along at least one wall of the radially inner wall and the radially outer wall in a direction from the outlet toward the inlet to cool the at least one wall and heat the liquid fuel to provide a heated liquid fuel; flowing the heated liquid fuel to a mixer at the inlet to reduce pressure of the heated liquid fuel, flash vaporize the heated liquid fuel and mix flash vaporized fuel with oxidant to produce a vaporized fuel-oxidant mixture; and detonating the mixture in the annular detonation chamber.Type: ApplicationFiled: April 15, 2021Publication date: October 20, 2022Applicant: Raytheon Technologies CorporationInventors: Christopher Britton Greene, James M. Donohue, Peter AT Cocks
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Publication number: 20220333534Abstract: An assembly is provided for a turbine engine with a flowpath. This turbine engine assembly includes a fuel injection system. The fuel injection system includes a first fuel injector and a second fuel injector. The fuel injection system is configured to provide the first fuel injector with first fuel and provide the second fuel injector with second fuel. The first fuel may be or include ammonia. The second fuel is different than the first fuel. The second fuel may be or include hydrogen gas. The first fuel injector is configured to direct the first fuel into the flowpath for combustion. The second fuel injector is configured to direct the second fuel into the flowpath for combustion.Type: ApplicationFiled: April 15, 2021Publication date: October 20, 2022Inventors: Lance L. Smith, Timothy S. Snyder, Jeffrey M. Cohen, Peter Cocks, Sean C. Emerson
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Publication number: 20220325890Abstract: A combustor for a rotating detonation engine includes a radially outer wall extending along an axis (A); a radially inner wall extending along the axis (A), wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet for fuel and oxidant and an outlet; a first passage for feeding at least one of the fuel and the oxidant along a first passage axis (a1) to the inlet; a second passage for feeding at least one of the fuel and the oxidant along a second passage axis (a2) to the inlet, wherein the second passage axis is arranged at an angle (?) relative to the first passage axis whereby mixing of flow from the first passage and the second passage is induced.Type: ApplicationFiled: April 8, 2021Publication date: October 13, 2022Applicant: Raytheon Technologies CorporationInventors: Zhongtao Dai, Peter AT Cocks
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Publication number: 20220325893Abstract: A combustor for a rotating detonation engine includes an outer tapered wall extending along an axis; an inner tapered wall extending along the axis, wherein the inner tapered wall is positioned within the outer tapered wall to define an annular combustion chamber having an annular gap between the outer tapered wall and the inner tapered wall, wherein the outer tapered wall is moveable relative to the inner tapered wall along the axis, and wherein movement of the outer tapered wall relative to the inner tapered wall changes the annular gap of the annular combustion chamber. Obstacles can be positioned on either or both of inner and outer wall to enhance turbulence within the combustion chamber.Type: ApplicationFiled: February 14, 2022Publication date: October 13, 2022Applicant: Raytheon Technologies CorporationInventors: Christopher Britton Greene, Peter AT Cocks, Xiaoyi Li, James M. Donohue
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Publication number: 20220309207Abstract: A process for designing an internal turbine engine component including operating a test rig incorporating a physical morphing component having a first geometry and generating a data set of empirically determined component performance parameters corresponding to the first geometry. Providing the data set of empirically determined component performance parameters to a computational optimization system and automatically. Determining a geometry optimization of the morphing component. Altering the geometry of the morphing component to match the geometry optimization. Reiterating operating the test rig and providing the data set of empirically determined component performance parameters.Type: ApplicationFiled: June 6, 2022Publication date: September 29, 2022Inventors: Peter Cocks, Wookyung Kim
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Publication number: 20220299205Abstract: A turbo-expanding cracking assembly includes a plurality of stages each including a rotating blade coupled to an output shaft and a fixed stator, at least one heat exchanger configured to transfer heat to an ammonia containing fuel flow, and a catalyst that is configured to decompose an ammonia containing fuel flow into a flow containing hydrogen (H2).Type: ApplicationFiled: February 4, 2022Publication date: September 22, 2022Inventors: Malcolm MacDonald, Sean C. Emerson, Brian M. Holley, Lance L. Smith, Peter Cocks
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Patent number: 11448133Abstract: A turbine engine according to an exemplary embodiment of this disclosure, among other possible things includes, a liquid hydrogen fuel storage tank that is configured to maintain the liquid hydrogen fuel at a pressure greater than an external pressure and less than 20 bar, an electric machine that is in thermal communication with a liquid hydrogen fuel flow from the liquid hydrogen fuel storage tank, the liquid hydrogen fuel flow is configured to maintain at least a component of the electric machine at an operating temperature below an ambient temperature, and a fuel system that is configured to receive gas hydrogen fuel flow and communicate the gas hydrogen fuel flow to a power generation device.Type: GrantFiled: March 26, 2021Date of Patent: September 20, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Peter Cocks, Jagadeesh Kumar Tangudu
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Patent number: 11379629Abstract: A process for designing an internal turbine engine component including operating a test rig incorporating a physical morphing component having a first geometry and generating a data set of empirically determined component performance parameters corresponding to the first geometry. Providing the data set of empirically determined component performance parameters to a computational optimization system and automatically. Determining a geometry optimization of the morphing component. Altering the geometry of the morphing component to match the geometry optimization. Reiterating operating the test rig and providing the data set of empirically determined component performance parameters.Type: GrantFiled: February 21, 2020Date of Patent: July 5, 2022Assignee: Raytheon Technologies CorporationInventors: Peter Cocks, Wookyung Kim