Patents by Inventor James K. Villarreal
James K. Villarreal 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: 11955207Abstract: The disclosure provides systems and methods for data analysis of experimental data. The analysis can include reference data that are not directly generated from the present experiment, which reference data may be values of the experimental parameters that were either provided by a user, computed by the system with input from a user, or computed by the system without using any input from a user. Another example of such reference data may be information about the instrument, such as the calibration method of the instrument.Type: GrantFiled: June 30, 2016Date of Patent: April 9, 2024Assignee: Emerald Cloud Lab, Inc.Inventors: Alex M. Yoshikawa, Anand V. Sastry, Asuka Ota, Ben C. Kline, Bradley M. Bond, Brian M. Frezza, Cameron R. Lamoureux, Catherine L. Hofler, Cheri Y. Li, Courtney E. Webster, Daniel J. Kleinbaum, George N. Stanley, George W. Fraser, Guillaume Robichaud, Hayley E. Buchman, James R. McKernan, Jonathan K. Leung, Paul R. Zurek, Robert M. Teed, Ruben E. Valas, Sean M. Fitzgerald, Sergio I. Villarreal, Shayna L. Hilburg, Shivani S. Baisiwala, Srikant Vaithilingam, Wyatt J. Woodson, Yang Choo, Yidan Y. Cong
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Patent number: 11174048Abstract: A satellite has thrusters that are integral parts of its frame. The frame defines cavities therein where thrusters are located. The thrusters may include an electrically-operated propellant and electrodes to activate combustion in the electrically-operated propellant. The frame may be additively manufactured, and the propellant and/or the electrodes may also be additively manufactured, with the frame and the propellant and/or the electrodes also being manufactured in a single process. In addition the thrusters may have nozzle portions through which combustion gases exit the thrusters. The thrusters may be located at corners and/or along edges of the frame, and may be used to accomplish any of a variety of maneuvers for the satellite. The satellite may be a small satellite, such as a CubeSat satellite, for instance having a volume of about 1 liter, and a mass of no more than about 1.33 kg.Type: GrantFiled: February 4, 2019Date of Patent: November 16, 2021Assignee: Raytheon CompanyInventors: Frederick B. Koehler, Jeremy C. Danforth, Ward D. Lyman, Mark T. Langhenry, Matt H. Summers, Paul E. Pontius, Brian M. Pape, Jared D. Stallings, James K. Villarreal, Thomas Villarreal
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Publication number: 20210304269Abstract: A method includes performing, using at least one processor, multiple price analyses associated with a proposal. The method also includes generating a visualization that overlays results of the multiple price analyses in a common graph, where different ones of the price analyses are associated with different data points in the graph. The method further includes receiving a user selection of one or more of the data points in the visualization to be excluded. The method also includes repeating, using the at least one processor, the multiple price analyses without using the one or more excluded data points. In addition, the method includes updating the visualization based on results of the repeated price analyses.Type: ApplicationFiled: March 24, 2020Publication date: September 30, 2021Inventors: Adrianne M. Norwood, F. Scott Whipple, James K. Villarreal
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Patent number: 10808649Abstract: Microwave energy is used to ignite and control the ignition of electrically operated propellant to produce high-pressure gas. The propellant includes conductive particles that act as a free source of electrons. Incoming microwave energy accumulates electric charge in an attenuation zone, which is discharged in the form of dielectric breakdowns to create local randomly oriented currents. The propellant also includes polar molecules. The polar molecules in the attenuation zone absorb microwave energy causing the molecules to rapidly vibrate thereby increasing the temperature of the propellant. The increase in temperature and the local current densities together establish an ignition condition to ignite and sustain ignition of an ignition surface of the attenuation zone as the zone regresses without igniting the remaining bulk of the propellant.Type: GrantFiled: August 18, 2016Date of Patent: October 20, 2020Assignee: Raytheon CompanyInventors: James K. Villarreal, Jeremy C. Danforth, Matt H. Summers, Daniel K. Johnson, Mark T. Langhenry
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Patent number: 10563617Abstract: Electrically operated propellant is used to supplement the thrust provided by solid rocket motor (SRM) propellant to manage thrust produced by a SRM. The gas produced by burning the electrically operated propellant may be injected upstream of the nozzle to add mass and increase chamber pressure Pc, injected at the throat of the nozzle to reduce the effect throat area At to increase chamber pressure Pc or injected downstream of the throat to provide thrust vector control or a combination thereof. Certain types of electrically operated propellants can be turned on and off provided the chamber pressure Pc does not exceed a self-sustaining threshold pressure eliminating the requirement for physical control valves.Type: GrantFiled: September 23, 2016Date of Patent: February 18, 2020Assignee: Raytheon CompanyInventors: James K. Villarreal, Mark T. Langhenry, Matt H. Summers
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Publication number: 20200024003Abstract: A satellite has thrusters that are integral parts of its frame. The frame defines cavities therein where thrusters are located. The thrusters may include an electrically-operated propellant and electrodes to activate combustion in the electrically-operated propellant. The frame may be additively manufactured, and the propellant and/or the electrodes may also be additively manufactured, with the frame and the propellant and/or the electrodes also being manufactured in a single process. In addition the thrusters may have nozzle portions through which combustion gases exit the thrusters. The thrusters may be located at corners and/or along edges of the frame, and may be used to accomplish any of a variety of maneuvers for the satellite. The satellite may be a small satellite, such as a CubeSat satellite, for instance having a volume of about 1 liter, and a mass of no more than about 1.33 kg.Type: ApplicationFiled: February 4, 2019Publication date: January 23, 2020Inventors: Frederick B. Koehler, Jeremy C. Danforth, Ward D. Lyman, Mark T. Langhenry, Matt H. Summers, Paul E. Pontius, Brian M. Pape, Jared D. Stallings, James K. Villarreal, Thomas Villarreal
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Patent number: 10220809Abstract: The rate of combustion of an electrically operated propellant having a self-sustaining threshold of at least 1,000 psi is controlled to produce chamber pressures that are sufficient to produce a desired pressure profile in the airbag to accommodate a range of human factors and crash conditions yet never exceeding the self-sustaining threshold. The combustion of the propellant is extinguished to control the total pressure impulse delivered to the airbag. Propellants formed with an ionic perchlorate-based oxidizer have demonstrated thresholds in excess of 1,500 psi and higher.Type: GrantFiled: July 20, 2016Date of Patent: March 5, 2019Assignee: Raytheon CompanyInventors: Richard D. Loehr, James K. Villarreal
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Patent number: 10220966Abstract: A satellite has thrusters that are integral parts of its frame. The frame defines cavities therein where thrusters are located. The thrusters may include an electrically-operated propellant and electrodes to activate combustion in the electrically-operated propellant. The frame may be additively manufactured, and the propellant and/or the electrodes may also be additively manufactured, with the frame and the propellant and/or the electrodes also being manufactured in a single process. In addition the thrusters may have nozzle portions through which combustion gases exit the thrusters. The thrusters may be located at corners and/or along edges of the frame, and may be used to accomplish any of a variety of maneuvers for the satellite. The satellite may be a small satellite, such as a CubeSat satellite, for instance having a volume of about 1 liter, and a mass of no more than about 1.33 kg.Type: GrantFiled: April 5, 2016Date of Patent: March 5, 2019Assignee: Raytheon CompanyInventors: Frederick B. Koehler, Jeremy C. Danforth, Ward D. Lyman, Mark T. Langhenry, Matt H. Summers, Paul E. Pontius, Brian M. Pape, Jared D. Stallings, James K. Villarreal, Thomas Villarreal
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Patent number: 10184762Abstract: A device is provided. The device includes at least one SMM component fabricated from an SMM. The SMM component is configured to change shape in response to receiving a stimulus. The SMM component is also configured to deploy from a device body of the device allowing the device to change shape in an advantageous way. A method implemented by a device is also provided. The method includes changing a shape of an SMM component of the device in response to receiving a stimulus. The SMM component is fabricated from an SMM. The method also includes deploying the SMM component from a device body of the device allowing the device to change shape in an advantageous way.Type: GrantFiled: December 1, 2015Date of Patent: January 22, 2019Assignee: Raytheon CompanyInventors: Matthew H. Summers, Frederick B. Koehler, Jeremy C. Danforth, James K. Villarreal
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Patent number: 10145337Abstract: Electrical ignition of electrically operated propellant in a gas generation system provides an ignition condition at an ignition surface between a pair of electrodes that satisfies three criteria of a current density J that exhibits a decreasing gradient along an axis normal to an ignition surface, is substantially constant across the ignition surface and exceeds an ignition threshold at the ignition surface. These criteria may be satisfied by one or more of an angled electrode configuration, a segmented electrode configuration or an additive to the electrically operated propellant that modifies its conductivity. These configurations improve burn rate control and consumption of the available propellant and are scalable to greater propellant mass to support larger gas generation systems.Type: GrantFiled: June 29, 2016Date of Patent: December 4, 2018Assignee: Raytheon CompanyInventors: Matt H. Summers, James K. Villarreal, Mark T. Langhenry, Jeremy C. Danforth, John W. Walter
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Publication number: 20180273193Abstract: Electrically operated propellant thrust assist supplements an airplane's takeoff, landing or inflight maneuvers. Unlike conventional SRM propellants, the burn rate of the electrically operated propellant can be varied via an electrical input and even extinguished by interrupting the electrical to control a secondary thrust profile (e.g., amplitude, transition rates) to fulfill the needs of a given takeoff, inflight or landing maneuver and provide a smooth transition in and out of the maneuver. Multiple pairs of fixed thrusters (opposite sides of the fuselage), a single pair of gimbaled thrusters or a hybrid of fixed and gimbaled thrusters may be configured to provide all such maneuvers. Flight control inputs are passed back and forth through an interface to enable the thrust assist.Type: ApplicationFiled: March 24, 2017Publication date: September 27, 2018Inventors: Matt H. Summers, Frederick B. Koehler, James K. Villarreal, Mark T. Langhenry
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Publication number: 20180128207Abstract: Electrically operated propellant is used to supplement the thrust provided by solid rocket motor (SRM) propellant to manage thrust produced by a SRM. The gas produced by burning the electrically operated propellant may be injected upstream of the nozzle to add mass and increase chamber pressure Pc, injected at the throat of the nozzle to reduce the effect throat area At to increase chamber pressure Pc or injected downstream of the throat to provide thrust vector control or a combination thereof. Certain types of electrically operated propellants can be turned on and off provided the chamber pressure Pc does not exceed a self-sustaining threshold pressure eliminating the requirement for physical control valves.Type: ApplicationFiled: September 23, 2016Publication date: May 10, 2018Inventors: James K. Villarreal, Mark T. Langhenry, Matt H. Summers
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Publication number: 20180058377Abstract: An actuator produces a displacement that maintains positive contact between an electrically operated propellant and a pair of electrodes to ignite and sustain combustion of an ignition surface. The electrodes are suitably configured such that current lines between the electrodes follow equipotential surfaces through the propellant. The displacement drives a contour of the ignition surface to substantially match an equipotential surface corresponding to a maximum and uniform current density J at a minimum gap between the electrodes to ignite and combust the entire ignition surface. The flat, angled or curved contact areas of the electrodes are suitably symmetric about a plane.Type: ApplicationFiled: August 25, 2016Publication date: March 1, 2018Inventors: James K. Villarreal, Thomas W. Villarreal, Frederick B. Koehler, Mark T. Langhenry, Matt H. Summers
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Publication number: 20180051657Abstract: Microwave energy is used to ignite and control the ignition of electrically operated propellant to produce high-pressure gas. The propellant includes conductive particles that act as a free source of electrons. Incoming microwave energy accumulates electric charge in an attenuation zone, which is discharged in the form of dielectric breakdowns to create local randomly oriented currents. The propellant also includes polar molecules. The polar molecules in the attenuation zone absorb microwave energy causing the molecules to rapidly vibrate thereby increasing the temperature of the propellant. The increase in temperature and the local current densities together establish an ignition condition to ignite and sustain ignition of an ignition surface of the attenuation zone as the zone regresses without igniting the remaining bulk of the propellant.Type: ApplicationFiled: August 18, 2016Publication date: February 22, 2018Inventors: James K. Villarreal, Jeremy C. Danforth, Matt H. Summers, Daniel K. Johnson, Mark T. Langhenry
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Publication number: 20180003130Abstract: Electrical ignition of electrically operated propellant in a gas generation system provides an ignition condition at an ignition surface between a pair of electrodes that satisfies three criteria of a current density J that exhibits a decreasing gradient along an axis normal to an ignition surface, is substantially constant across the ignition surface and exceeds an ignition threshold at the ignition surface. These criteria may be satisfied by one or more of an angled electrode configuration, a segmented electrode configuration or an additive to the electrically operated propellant that modifies its conductivity. These configurations improve burn rate control and consumption of the available propellant and are scalable to greater propellant mass to support larger gas generation systems.Type: ApplicationFiled: June 29, 2016Publication date: January 4, 2018Inventors: Matt H. Summers, James K. Villarreal, Mark T. Langhenry, Jeremy C. Danforth, John W. Walter
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Publication number: 20170284339Abstract: A thruster includes multiple segments of electrically-operated propellant, electrodes for igniting one or a few of the electrically-operated propellant segments at a time, and a propellant feeder for moving further propellant segments into engagement with the electrodes. The segments may be configured to provide equal increments of thrust, or different amounts of thrust. The segments may each include an electrically-operated propellant material surrounded by a sealing material, so as to keep the propellant material away from moisture and other contaminants (and/or the vacuum of space) before each individual segment is to be used. The thruster may be included in any of a variety of flight vehicles, for example in a small satellite such as a CubeSat satellite, for instance having a volume of about 1 liter, and a mass of no more than about 1.33 kg.Type: ApplicationFiled: April 5, 2016Publication date: October 5, 2017Inventors: Frederick B. Koehler, Jeremy C. Danforth, Ward D. Lyman, Mark T. Langhenry, Matt H. Summers, Paul E. Pontius, Brian M. Pape, Jared D. Stallings, James K. Villarreal, Thomas Villarreal
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Publication number: 20170283095Abstract: A satellite has thrusters that are integral parts of its frame. The frame defines cavities therein where thrusters are located. The thrusters may include an electrically-operated propellant and electrodes to activate combustion in the electrically-operated propellant. The frame may be additively manufactured, and the propellant and/or the electrodes may also be additively manufactured, with the frame and the propellant and/or the electrodes also being manufactured in a single process. In addition the thrusters may have nozzle portions through which combustion gases exit the thrusters. The thrusters may be located at corners and/or along edges of the frame, and may be used to accomplish any of a variety of maneuvers for the satellite. The satellite may be a small satellite, such as a CubeSat satellite, for instance having a volume of about 1 liter, and a mass of no more than about 1.33 kg.Type: ApplicationFiled: April 5, 2016Publication date: October 5, 2017Inventors: Frederick B. Koehler, Jeremy C. Danforth, Ward D. Lyman, Mark T. Langhenry, Matt H. Summers, Paul E. Pontius, Brian M. Pape, Jared D. Stallings, James K. Villarreal, Thomas Villarreal
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Publication number: 20170153096Abstract: A device is provided. The device includes at least one SMM component fabricated from an SMM. The SMM component is configured to change shape in response to receiving a stimulus. The SMM component is also configured to deploy from a device body of the device allowing the device to change shape in an advantageous way. A method implemented by a device is also provided. The method includes changing a shape of an SMM component of the device in response to receiving a stimulus. The SMM component is fabricated from an SMM. The method also includes deploying the SMM component from a device body of the device allowing the device to change shape in an advantageous way.Type: ApplicationFiled: December 1, 2015Publication date: June 1, 2017Inventors: Matthew H. Summers, Frederick B. Koehler, Jeremy C. Danforth, James K. Villarreal
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Publication number: 20160325708Abstract: The rate of combustion of an electrically operated propellant having a self-sustaining threshold of at least 1,000 psi is controlled to produce chamber pressures that are sufficient to produce a desired pressure profile in the airbag to accommodate a range of human factors and crash conditions yet never exceeding the self-sustaining threshold. The combustion of the propellant is extinguished to control the total pressure impulse delivered to the airbag. Propellants formed with an ionic perchlorate-based oxidizer have demonstrated thresholds in excess of 1,500 psi and higher.Type: ApplicationFiled: July 20, 2016Publication date: November 10, 2016Inventors: Richard D. Loehr, James K. Villarreal
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Patent number: 9457761Abstract: The rate of combustion of an electrically operated propellant having self-sustaining threshold of at least 1,000 psi is controlled to produce chamber pressures that are sufficient to produce a desired pressure profile in the airbag to accommodate a range of human factors and crash conditions yet never exceeding the self-sustaining threshold. The combustion of the propellant is extinguished to control the total pressure impulse delivered to the airbag. Propellants formed with an ionic perchlorate-based oxidizer have demonstrated thresholds in excess of 1,500 psi and higher.Type: GrantFiled: May 28, 2014Date of Patent: October 4, 2016Assignee: Raytheon CompanyInventors: James K. Villarreal, Thomas M. Deppert, Mark T. Langhenry, Matt H. Summers