Patents by Inventor Thomas A. Cross
Thomas A. Cross 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: 20220091994Abstract: Systems and methods for a unified, cloud-managed platform for controlling enterprise network security are provided. According to one embodiment, a network of an enterprise is protected by a cloud-managed platform. An underlying architecture of the cloud-managed platform is abstracted by providing a portal through which modifications to security policies are expressed as business requirements of the enterprise. The security policies are automatically enforced regardless of location or endpoint. A policy digest, including information regarding the modifications and formatted according to a predefined format, generated and locally queued by the portal is retrieved.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Applicant: Fortinet, Inc.Inventors: Anurag Jain, Kenneth Ammon, Thomas Cross, Michael C. Starr
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Publication number: 20220068585Abstract: Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.Type: ApplicationFiled: August 28, 2020Publication date: March 3, 2022Inventors: Andrew Thomas Cross, Uwe Wiedmann, Marshall Gordon Jones, Carey Rogers, John Scott Price, Joseph Darryl Michael, Sergio Lemaitre, Fulton Jose Lopez, Vasile Bogdan Neculaes, Steve Buresh, David Wagner
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Publication number: 20220069672Abstract: An electric motor may include a stator assembly comprising a stator housing, and one or more rotors coupled to the stator by a rotor shaft assembly. The stator housing may include a cooling structure that has a plurality of cooling body portions and a plurality of cooling conduits defined by the plurality of cooling body portions. A method of forming a stator housing for an electric machine may include additively manufacturing a stator housing that includes a cooling structure defining a fluid domain, coupling a working fluid source to the stator housing and introducing a working fluid into the fluid domain defined by the cooling structure, and sealing the cooling structure with the working fluid contained within the fluid domain of the cooling structure.Type: ApplicationFiled: July 30, 2021Publication date: March 3, 2022Inventors: Joseph John Zierer, Brian Magann Rush, Karthik K. Bodla, Andrew Thomas Cross, Vandana Prabhakar Rallabandi, Konrad Roman Weeber, Anoop Kumar Jassal
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Publication number: 20220021276Abstract: An electrical machine comprising a rotor 20, a stator 30 and an air gap 40 arranged between the rotor 20 and the stator 30 is provided. The stator 30 or rotor 20 comprises a plurality of electrical coils 90, wherein one or more of the electrical coils 90 carry a heat sink, wherein the heat sink is attached to the electrical coil with a thermally conductive material. Methods for modifying a temperature distribution of a stator in an electrical machine are also provided.Type: ApplicationFiled: July 15, 2021Publication date: January 20, 2022Inventors: Sadeo Ramtahal, Andrew Thomas Cross, Rinaldo Luigi Miorini, Julio Cesar Urresty, Cesar Muñiz Casais, Lakshminarayana Kanakamedala
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Publication number: 20210378154Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: August 11, 2021Publication date: December 2, 2021Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Publication number: 20210345983Abstract: Various methods and systems are provided for an x-ray imaging system. In one example, a method for decelerating a rotor of an x-ray tube of an imaging system includes controlling and/or monitoring a speed and position of the rotor, passing the rotor through a first position where a force exerted on the rotor, is less than Earth's gravitational pull, the force due to a combination of gravity and radial acceleration, and initiating a predefined deceleration profile to decelerate the rotor to a halt when the x-ray tube passes through the first position.Type: ApplicationFiled: May 8, 2020Publication date: November 11, 2021Inventors: Carey Rogers, Vasile Bogdan Neculaes, Nidhishri Tapadia, Andrew Thomas Cross, Uwe Wiedmann
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Publication number: 20210350996Abstract: Various methods and systems are provided for an x-ray imaging system. In one example, an x-ray tube of the imaging system includes a rotor with a core forming a continuous unit with at least one of a retention sleeve and a bearing assembly sleeve. The rotor further includes one or more magnets disposed in the core and maintained in place by the retention sleeve.Type: ApplicationFiled: May 8, 2020Publication date: November 11, 2021Inventors: Nidhishri Tapadia, Vasile Bogdan Neculaes, Andrew Thomas Cross, Ian Strider Hunt
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Patent number: 11122715Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: GrantFiled: November 28, 2018Date of Patent: September 14, 2021Assignee: General Electric CompanyInventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Patent number: 11081917Abstract: An electric machine includes at least one rotor module. A rotor module includes a rotor hub having a hub body, and a plurality of first protrusions and a plurality of second protrusions. One or more first protrusions include an elongated portion and a head portion. One or more second protrusions include a wedge-shaped profile. The rotor module further includes a magnetic core having a plurality of core members disposed on the rotor hub. A core member of the plurality of core members is disposed such that the head portion of the first protrusion located between the adjacent second protrusions engages with the core member, and each of the one or more second protrusions extends at least partially in a space between adjacent core members of the plurality of core members. Moreover, the rotor module includes a permanent magnet disposed in a space between the adjacent core members.Type: GrantFiled: November 29, 2018Date of Patent: August 3, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: David Allan Torrey, Mohamed Osama, Joseph John Zierer, Lijun He, Andrew Thomas Cross
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Patent number: 11043876Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: GrantFiled: December 26, 2019Date of Patent: June 22, 2021Assignee: General Electric CompanyInventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross, Corey Bourassa
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Publication number: 20210004333Abstract: Systems and methods for a unified, cloud-managed platform for controlling enterprise network security are provided. According to one embodiment, a network of an enterprise is protected by a cloud-managed platform. An underlying architecture of the cloud-managed platform is abstracted by providing a portal through which modifications to security policies are expressed as business requirements of the enterprise. The security policies are automatically enforced regardless of location or endpoint. A policy digest, including information regarding the modifications and formatted according to a predefined format, generated and locally queued by the portal is retrieved.Type: ApplicationFiled: September 23, 2020Publication date: January 7, 2021Applicant: Fortinet, Inc.Inventors: Anurag Jain, Kenneth Ammon, Thomas Cross, Michael C. Starr
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Patent number: 10826941Abstract: A method for protecting an enterprise network includes, at a system that is remote from the enterprise network: controlling communications to and from the enterprise network according to a set of security policies; controlling endpoint to endpoint connections within the enterprise network according to the set of security policies; receiving a request for modifications to the set of policies; automatically generating a policy digest formatted according to a predefined format, the policy digest comprising the modifications, and storing the policy digest in the memory; retrieving the policy digest from the memory; generating one or more calls to one or more system components that control the communications to and from the enterprise network and the endpoint to endpoint connections based on the policy digest; and modifying control of the communications and the endpoint to endpoint connections based on the one or more calls.Type: GrantFiled: June 29, 2018Date of Patent: November 3, 2020Assignee: Fortinet, Inc.Inventors: Anurag Jain, Kenneth Ammon, Thomas Cross, Michael C. Starr
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Patent number: 10820404Abstract: A portable neutron generator is provided that does not utilize liquid cooling. The portable neutron generator includes a vacuum chamber housing defining a vacuum chamber and an ion beam inlet. The portable neutron generator also includes a rotating target positioned within the vacuum chamber. The ion beam inlet is oriented to receive ions such that the ions impinge upon the rotating target to cause neutrons to be emitted. The rotating target comprises a copper alloy. The portable neutron generator also includes a motor core positioned within the vacuum chamber and coupled to the rotating target. A motor stator is electromagnetically coupled with the motor core. The motor core is configured to rotate the rotating target at greater than 200 Hz during operation.Type: GrantFiled: August 21, 2018Date of Patent: October 27, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Thomas Cross, Alexander Kagan, Thomas Raber, Vasile Bogdan Neculaes, Nidhishri Tapadia, Ashraf Atalla, Pierre Fernand Habig, Frederic Dahan
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Publication number: 20200336045Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: December 26, 2019Publication date: October 22, 2020Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross, Corey Bourassa
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Publication number: 20200177039Abstract: An electric machine includes at least one rotor module. A rotor module includes a rotor hub having a hub body, and a plurality of first protrusions and a plurality of second protrusions. One or more first protrusions include an elongated portion and a head portion. One or more second protrusions include a wedge-shaped profile. The rotor module further includes a magnetic core having a plurality of core members disposed on the rotor hub. A core member of the plurality of core members is disposed such that the head portion of the first protrusion located between the adjacent second protrusions engages with the core member, and each of the one or more second protrusions extends at least partially in a space between adjacent core members of the plurality of core members. Moreover, the rotor module includes a permanent magnet disposed in a space between the adjacent core members.Type: ApplicationFiled: November 29, 2018Publication date: June 4, 2020Inventors: David Allan Torrey, Mohamed Osama, Joseph John Zierer, Lijun He, Andrew Thomas Cross
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Publication number: 20200149743Abstract: A combustion system includes an annular tube disposed between an inner wall and an outer wall, the annular tube extending from an inlet end to an outlet end; at least one fluid inlet disposed in the annular tube proximate the inlet end, the fluid inlet providing a conduit through which fluid flows into the annular tube; at least one outlet disposed in the annular tube proximate the outlet end; and at least one cooling feature disposed at an underside of the inner wall or the outer wall. The cooling feature maintains a temperature of the inner wall or the outer wall within a predetermined range.Type: ApplicationFiled: November 9, 2018Publication date: May 14, 2020Applicant: General Electric CompanyInventors: Kapil Kumar Singh, Narendra Digamber Joshi, Thomas Michael Lavertu, Thomas Earl Dyson, Andrew Thomas Cross
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Publication number: 20200068698Abstract: An apparatus is provided. The apparatus includes a compact vacuum chamber housing defining a vacuum chamber and an ion beam inlet, a rotating target positioned within the vacuum chamber, the ion beam inlet oriented to receive ions such that the ions impinge upon the rotating target, a motor core positioned within the vacuum chamber and coupled to the rotating target, and a motor stator electromagnetically coupled with the motor core.Type: ApplicationFiled: August 21, 2018Publication date: February 27, 2020Inventors: Andrew Thomas Cross, Alexander Kagan, Thomas Raber, Vasile Bogdan Neculaes, Nidhishri Tapadia, Ashraf Atalla, Pierre Fernand Habig, Frederic Dahan
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Publication number: 20190350111Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: November 28, 2018Publication date: November 14, 2019Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Publication number: 20190349404Abstract: A method for protecting an enterprise network includes, at a system that is remote from the enterprise network: controlling communications to and from the enterprise network according to a set of security policies; controlling endpoint to endpoint connections within the enterprise network according to the set of security policies; receiving a request for modifications to the set of policies; automatically generating a policy digest formatted according to a predefined format, the policy digest comprising the modifications, and storing the policy digest in the memory; retrieving the policy digest from the memory; generating one or more calls to one or more system components that control the communications to and from the enterprise network and the endpoint to endpoint connections based on the policy digest; and modifying control of the communications and the endpoint to endpoint connections based on the one or more calls.Type: ApplicationFiled: June 29, 2018Publication date: November 14, 2019Applicant: OPAQ Networks, Inc.Inventors: Anurag JAIN, Kenneth AMMON, Thomas CROSS
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Publication number: 20180202475Abstract: A hydraulic actuator for a downhole pump system includes a piston housing having a head end and a base end. A drive piston is movable within the piston housing between a first piston position proximate to the head end and a second piston position proximate to the base end. The hydraulic actuator includes a control valve that translates between a first control valve position in which fluid is directed into the base end and a second control valve position in which fluid is directed into the head. When the piston moves to the first piston position, a mechanical positon feedback system translates the control valve from the first control valve position to the second control valve position. When the piston moves to the second piston position, the mechanical positon feedback system translates the control valve from the second control valve position to the first control valve position.Type: ApplicationFiled: January 18, 2017Publication date: July 19, 2018Inventors: Bodhayan Dev, Andrew Thomas Cross, Daniel Alan Brue, Brian Paul Reeves, Deepak Trivedi