Patents by Inventor Vance Scott Robinson
Vance Scott Robinson 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: 20240071707Abstract: Some embodiments include an x-ray device comprising: an access port configured to receive a cathode within an interior volume of an enclosure of the x-ray device; a first vacuum seal configured to seal a cover over the access port; and a second seal configured to seal the cover over the access port, the second seal maintained between the first vacuum seal and the interior volume of the enclosure during removal of the first vacuum seal.Type: ApplicationFiled: July 20, 2022Publication date: February 29, 2024Applicant: Varex Imaging CorporationInventors: Dave Kirkham, Vance Scott Robinson, Colton B. Woodman, Jake Riggle
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Publication number: 20230363073Abstract: Some embodiments include an x-ray source, comprising: an anode; a field emitter configured to generate an electron beam; a first grid configured to control field emission from the field emitter; a second grid disposed between the first grid and the anode; a third grid disposed between the first grid and the anode; and a middle electrode disposed between the first grid and the anode wherein the second grid is either disposed between the first grid and middle electrode or between the middle electrode and the anode; wherein the third grid is a mesh grid.Type: ApplicationFiled: June 30, 2023Publication date: November 9, 2023Applicants: VEC IMAGING GMBH & CO. KG, Varex Imaging CorporationInventors: Houman Jafari, Bo Gao, Vance Scott Robinson, Colton B. Woodman, Mohamed Zaza
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Publication number: 20230352261Abstract: Embodiments include a system, comprising: a vacuum enclosure; an anode support structure penetrating the vacuum enclosure and including a plurality of first cooling passages; and an anode disposed within the vacuum enclosure, coupled to and supported by the anode support structure, and including: a target; and a plurality of second cooling passages; wherein: each of the second cooling passages is coupled to a corresponding first cooling passage; the anode is coupled to the anode support structure on a side of the anode different from a side of the anode including the target and different from axial ends of the anode on a major axis of the anode; and the anode is a linear anode.Type: ApplicationFiled: June 30, 2023Publication date: November 2, 2023Applicant: Varex Imaging CorporationInventors: Dave Kirkham, Vance Scott Robinson
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Patent number: 11778717Abstract: Some embodiments include an x-ray source, comprising: an anode; a field emitter configured to generate an electron beam; a first grid configured to control field emission from the field emitter; a second grid disposed between the first grid and the anode; and a middle electrode disposed between the first grid and the anode wherein the second grid is either disposed between the first grid and middle electrode or between the middle electrode and the anode.Type: GrantFiled: July 2, 2020Date of Patent: October 3, 2023Assignees: VEC Imaging GmbH & Co. KG, Varex Imaging CorporationInventors: Houman Jafari, Bo Gao, Vance Scott Robinson, Colton B. Woodman, Mohamed Zaza
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Patent number: 11749489Abstract: A system, comprising: a vacuum enclosure; an anode support structure penetrating the vacuum enclosure and including a plurality of first cooling passages; and an anode disposed within the vacuum enclosure, coupled to and supported by the anode support structure, and including: a target; and a plurality of second cooling passages; wherein: each of the second cooling passages is coupled to a corresponding first cooling passage; and the anode is coupled to the anode support structure on a side of the anode different from a side of the anode including the target and different from axial ends of the anode on a major axis of the anode.Type: GrantFiled: February 10, 2021Date of Patent: September 5, 2023Assignee: Varex Imaging CorporationInventors: Dave Kirkham, Vance Scott Robinson
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Patent number: 11413698Abstract: A system and method for monitoring and controlling build quality during electron beam manufacturing of a build part. The system may include at least one electron beam source to direct at least one electron beam onto a plurality of deposited layers of metallic powder to form a melt pool, a detector to detect in real-time backscattered energy ejected from the melt pool and indicative of a defect in the build part and generate a detection signal representative of the defect. A controller receives and analyzes the detection signal and generates a corrective signal for control of at least one of the actuator and the at least one electron beam source to direct the at least one electron beam onto the plurality of deposited layers of metallic powder to sequentially consolidate patterned portions of the plurality of deposited metallic powder layers to adaptively form the three-dimensional build part.Type: GrantFiled: March 13, 2018Date of Patent: August 16, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Vladimir Anatolievich Lobastov, Vincent Scott Smentkowski, John Scott Price, Vance Scott Robinson
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Publication number: 20220208503Abstract: A system, comprising: a vacuum enclosure; an anode support structure penetrating the vacuum enclosure and including a plurality of first cooling passages; and an anode disposed within the vacuum enclosure, coupled to and supported by the anode support structure, and including: a target; and a plurality of second cooling passages; wherein: each of the second cooling passages is coupled to a corresponding first cooling passage; and the anode is coupled to the anode support structure on a side of the anode different from a side of the anode including the target and different from axial ends of the anode on a major axis of the anodeType: ApplicationFiled: February 10, 2021Publication date: June 30, 2022Applicant: VEC Imaging GmbH & Co. KGInventors: Dave Kirkham, Vance Scott Robinson
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Publication number: 20220210900Abstract: Some embodiments include a system, comprising: a plurality of x-ray sources, each x-ray source including: an electron source configured to generate an electron beam; and a target configured to receive the electron beam and convert the electron beam into an x-ray beam; wherein: at first x-ray source of the x-ray sources is different from a second x-ray source of the x-ray sources; and the targets of the x-ray sources are part of a linear target.Type: ApplicationFiled: February 16, 2021Publication date: June 30, 2022Applicant: VEC Imaging GmbH & Co. KGInventors: Houman Jafari, Bo Gao, Vance Scott Robinson
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Publication number: 20210410258Abstract: Some embodiments include an x-ray source, comprising: an anode; a field emitter configured to generate an electron beam; a first grid configured to control field emission from the field emitter; a second grid disposed between the first grid and the anode; and a middle electrode disposed between the first grid and the anode wherein the second grid is either disposed between the first grid and middle electrode or between the middle electrode and the anode.Type: ApplicationFiled: July 2, 2020Publication date: December 30, 2021Applicant: VEC Imaging GmbH & Co. KGInventors: Houman Jafari, Bo Gao, Vance Scott Robinson, Colton B. Woodman, Mohamed Zaza
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Publication number: 20210350997Abstract: An X-ray source includes a target configured to generate X-rays when impacted by an electron beam. The target includes one or more thermally conductive layers; and one or more X-ray generating layers interleaved with the thermally conductive layers, wherein at least one X-ray generating layer comprises regions of X-ray generating material separated by thermally conductive material within the respective X-ray generating layer.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Inventors: Yong Liang, Vance Scott Robinson, Uwe Wiedmann
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Patent number: 11094497Abstract: In one embodiment, an X-ray source includes a source target configured to generate X-rays when impacted by an electron beam. The source target includes one or more thermally conductive layers; and one or more X-ray generating layers interleaved with the thermally conductive layers, wherein at least one X-ray generating layer comprises regions of X-ray generating material separated by thermally conductive material within the respective X-ray generating layer.Type: GrantFiled: February 24, 2017Date of Patent: August 17, 2021Assignee: General Electric CompanyInventors: Yong Liang, Vance Scott Robinson, Uwe Wiedmann
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Patent number: 10916400Abstract: The present disclosure relates to multi-layer X-ray sources having decreased hydrogen within the layer stack and/or tungsten carbide inter-layers between the primary layers of X-ray generating and thermally-conductive materials. The resulting multi-layer target structures allow increased X-ray production, which may facilitate faster scan times for inspection or examination procedures.Type: GrantFiled: February 21, 2019Date of Patent: February 9, 2021Assignee: Baker Hughes, A GE Company, LLCInventors: Yong Liang, Vance Scott Robinson
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Patent number: 10804063Abstract: Fabrication of a multi-layer X-ray source is disclosed using bulk structures to fabricate a multi-layer target structure. In one implementation, layers of X-ray generating material, such as tungsten, are interleaved with thermally conductive layers, such as diamond layers. To prevent delamination of the layers, various mechanical, chemical, and/or structural approaches may also be employed.Type: GrantFiled: September 15, 2016Date of Patent: October 13, 2020Assignee: Baker Hughes, a GE Company, LLCInventors: Thomas Robert Raber, Vance Scott Robinson, Yong Liang
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Patent number: 10692685Abstract: The present disclosure relates to the production and use of a multi-layer X-ray source target. In certain implementations, layers of X-ray generating material may be interleaved with thermally conductive layers. To prevent delamination of the layers, various mechanical, chemical, and structural approaches are related, including approaches for reducing the internal stress associated with the deposited layers and for increasing binding strength between layers.Type: GrantFiled: April 13, 2017Date of Patent: June 23, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Vance Scott Robinson, Yong Liang, Thomas Robert Raber, George Theodore Dalakos, Christoph Wild
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Patent number: 10672585Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to an anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a coupling portion extending between an interior of a vacuum envelope and an exterior of the vacuum envelope and a winding portion coupled to the coupling portion. Windings may at least partially surround the winding portion.Type: GrantFiled: September 28, 2018Date of Patent: June 2, 2020Assignee: VAREX IMAGING CORPORATIONInventors: Vance Scott Robinson, Kasey Otho Greenland, Neil Bostrom, Jonathan Miller
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Patent number: 10636612Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray tube. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and may be configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a first pole and a second pole oriented towards the lift shaft. Windings may be positioned around the first pole. The lift assembly may include a heat dissipating structure.Type: GrantFiled: September 28, 2018Date of Patent: April 28, 2020Assignee: Varex Imaging CorporationInventors: Vance Scott Robinson, Kasey Otho Greenland, Neil Bostrom
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Patent number: 10629403Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a curved surface that contours around at least a portion of the shaft wall. A radius of curvature of the curved surface of the lift electromagnet may be greater than a radius of curvature of the lift shaft, and the spacing between the curved surface of the lift electromagnet and the shaft wall may be non-uniform.Type: GrantFiled: September 28, 2018Date of Patent: April 21, 2020Assignee: Varex Imaging CorporationInventors: Neil Bostrom, Vance Scott Robinson, Kasey Otho Greenland, Santosh Ramachandran
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Publication number: 20200105495Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray tube. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and may be configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a first pole and a second pole oriented towards the lift shaft. Windings may be positioned around the first pole. The lift assembly may include a heat dissipating structure.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventors: Vance Scott Robinson, Kasey Otho Greenland, Neil Bostrom
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Publication number: 20200105493Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to an anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a coupling portion extending between an interior of a vacuum envelope and an exterior of the vacuum envelope and a winding portion coupled to the coupling portion. Windings may at least partially surround the winding portion.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventors: Vance Scott Robinson, Kasey Otho Greenland, Neil Bostrom, Jonathan Miller
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Publication number: 20200105494Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to the anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a curved surface that contours around at least a portion of the shaft wall. A radius of curvature of the curved surface of the lift electromagnet may be greater than a radius of curvature of the lift shaft, and the spacing between the curved surface of the lift electromagnet and the shaft wall may be non-uniform.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventors: Neil Bostrom, Vance Scott Robinson, Kasey Otho Greenland, Santosh Ramachandran