Patents by Inventor Jesse A. Roberts
Jesse A. Roberts 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: 12280441Abstract: A consumable cartridge for a plasma arc torch includes a cartridge frame having a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, the second end including a plurality of discrete retaining features. The consumable cartridge includes an electrically conductive contact element secured to the cartridge frame by the plurality of discrete retaining features and translatable up to a predetermined distance within the cartridge frame along the longitudinal axis at the second end, the contact element having a core, a proximal surface, and a distal surface. The proximal surface is shaped to contact a torch plunger of the plasma arc torch upon installation into the plasma arc torch and the distal surface is shaped to contact an electrode of the plasma arc torch during an operation of the plasma arc torch.Type: GrantFiled: January 11, 2021Date of Patent: April 22, 2025Assignee: Hypertherm, Inc.Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Publication number: 20250016906Abstract: A lead connector is provided for connecting a plasma torch lead of a plasma arc torch to a power supply of a plasma cutting system. The lead connector includes a base portion, a central conduit disposed in the base portion, where the central conduit is configured to carry a gas and a torch current to the plasma arc torch, and multiple pins disposed radially about a center of the central conduit. The pins are located at a radius of between about 0.4 inches and about 0.65 inches from the center of the central conduit on a radial plane of the base portion. The pins include one or more pilot carrying pins and one or more control signal pins located from about 27 degrees to about 64 degrees and from about 120 degrees to about 170 degrees, respectively, about the center of the central conduit on the radial plane.Type: ApplicationFiled: August 30, 2024Publication date: January 9, 2025Inventors: Jing Wu, Jesse A. Roberts
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Patent number: 12114413Abstract: A lead connector is provided for connecting a plasma torch lead of a plasma arc torch to a power supply of a plasma cutting system. The lead connector includes a base portion, a central conduit disposed in the base portion, where the central conduit is configured to carry a gas and a torch current to the plasma arc torch, and multiple pins disposed radially about a center of the central conduit. The pins are located at a radius of between about 0.4 inches and about 0.65 inches from the center of the central conduit on a radial plane of the base portion. The pins include one or more pilot carrying pins and one or more control signal pins located from about 27 degrees to about 64 degrees and from about 120 degrees to about 170 degrees, respectively, about the center of the central conduit on the radial plane.Type: GrantFiled: September 11, 2019Date of Patent: October 8, 2024Assignee: Hypertherm, Inc.Inventors: Jing Wu, Jesse A. Roberts
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Patent number: 11622440Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.Type: GrantFiled: July 12, 2019Date of Patent: April 4, 2023Assignee: Hypertherm, Inc.Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel
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Patent number: 11432393Abstract: A consumable cartridge for a plasma arc torch is provided. The consumable cartridge includes an outer component defining a substantially hollow body, an inner component disposed substantially within the hollow body of the outer component, and a hollow region between the rear portion of the inner component and the outer component. The inner component includes a forward portion configured to axially secure and rotatatably engage the outer component to the inner component and a rear portion substantially suspended within the hollow body of the outer component. The rear portion is axially secured and rotatably engaged with the outer component via the forward portion. The hollow region is configured to receive a torch head to enable mating between the rear portion of the inner component and a cathode of the torch head.Type: GrantFiled: November 7, 2019Date of Patent: August 30, 2022Assignee: HYPERTHERM, INC.Inventors: Zheng Duan, Stephen T. Eickhoff, Yu Zhang, Jesse A. Roberts, Eric Streit, Brandon Mason, Dennis Kulakowski
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Publication number: 20210136905Abstract: A consumable cartridge for a plasma arc torch includes a cartridge frame having a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, the second end including a plurality of discrete retaining features. The consumable cartridge includes an electrically conductive contact element secured to the cartridge frame by the plurality of discrete retaining features and translatable up to a predetermined distance within the cartridge frame along the longitudinal axis at the second end, the contact element having a core, a proximal surface, and a distal surface. The proximal surface is shaped to contact a torch plunger of the plasma arc torch upon installation into the plasma arc torch and the distal surface is shaped to contact an electrode of the plasma arc torch during an operation of the plasma arc torch.Type: ApplicationFiled: January 11, 2021Publication date: May 6, 2021Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Patent number: 10912183Abstract: A consumable cartridge for a plasma arc torch includes a cartridge frame having a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, the second end including a plurality of discrete retaining features. The consumable cartridge includes an electrically conductive contact element secured to the cartridge frame by the plurality of discrete retaining features and translatable up to a predetermined distance within the cartridge frame along the longitudinal axis at the second end, the contact element having a core, a proximal surface, and a distal surface. The proximal surface is shaped to contact a torch plunger of the plasma arc torch upon installation into the plasma arc torch and the distal surface is shaped to contact an electrode of the plasma arc torch during an operation of the plasma arc torch.Type: GrantFiled: February 9, 2018Date of Patent: February 2, 2021Assignee: Hypertherm, Inc.Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Patent number: 10827600Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.Type: GrantFiled: April 13, 2018Date of Patent: November 3, 2020Assignee: Hypertherm, Inc.Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel
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Publication number: 20200281066Abstract: A lead connector is provided for connecting a plasma torch lead of a plasma arc torch to a power supply of a plasma cutting system. The lead connector includes a base portion, a central conduit disposed in the base portion, where the central conduit is configured to carry a gas and a torch current to the plasma arc torch, and multiple pins disposed radially about a center of the central conduit. The pins are located at a radius of between about 0.4 inches and about 0.65 inches from the center of the central conduit on a radial plane of the base portion. The pins include one or more pilot carrying pins and one or more control signal pins located from about 27 degrees to about 64 degrees and from about 120 degrees to about 170 degrees, respectively, about the center of the central conduit on the radial plane.Type: ApplicationFiled: September 11, 2019Publication date: September 3, 2020Inventors: Jing Wu, Jesse A. Roberts
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Patent number: 10737347Abstract: A connector component configured for coupling a consumable component to a plasma arc torch is provided. The connector component comprises a body having a proximal end and a distal end disposed along and defining a longitudinal axis. The connector component includes at least two engagement regions disposed radially about the longitudinal axis on a surface of the body. Each engagement region includes at least one engagement feature disposed on the surface of the body. The connector component also includes at least two free regions disposed radially about the longitudinal axis on the surface of the body. Each free region is radially located between a pair of the engagement regions and characterized by an absence of the engagement feature.Type: GrantFiled: February 26, 2018Date of Patent: August 11, 2020Assignee: Hypertherm, Inc.Inventors: Harshawardhan Jogdand, E. Michael Shipulski, David J. Cook, David L. Bouthillier, Zheng Duan, Jesse A. Roberts, Micah Roberts, Stephen M. Dunbar, Peter J. Twarog, Brian J. Currier, Stephen M. Liebold, Brett A. Hansen, Garrett K. Quillia
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Patent number: 10736204Abstract: A hand-held plasma power tool is provided, which includes a hand-held housing, a plasma delivery tip section at least partially disposed within the housing for delivering a plasma arc to a workpiece, an air compressor disposed within the housing for providing a gas to the plasma delivery tip section, and a power source disposed within the housing for providing a current to at least one of the air compressor or the plasma delivery tip section. The hand-held plasma power tool further comprises a handle section defined by at least a portion of the housing. The handle section is configured to enable an operator to manipulate the plasma power tool by hand while delivering the plasma arc to the workpiece.Type: GrantFiled: October 23, 2017Date of Patent: August 4, 2020Assignee: Hypertherm, Inc.Inventors: Jesse A. Roberts, Michael Scheller, Michael Hoffa
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Patent number: 10624198Abstract: In some aspects, methods for controlling a pneumatic system in a plasma arc processing system can include: receiving, by a computing device, a command to begin a plasma processing operation; generating a valve command signal for a valve that includes an operational drive voltage of at least about 125% of a continuous duty cycle coil voltage rating of the valve to open the valve; and once open, adjusting the valve command signal to facilitate a steady state operation to: monitor a steady state operational duty cycle of the valve, the steady state operational duty cycle being determined by comparing the continuous duty cycle coil voltage rating of the valve to an actual operational drive voltage supplied to the valve, and control the operational drive voltage supplied to the valve to maintain a steady state operational duty cycle of the valve at less than about 60% during steady state operation.Type: GrantFiled: August 25, 2017Date of Patent: April 14, 2020Assignee: Hypertherm, Inc.Inventors: Eric Streit, Jesse A. Roberts, Junsong Mao, Richard Pavlik
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Publication number: 20200077504Abstract: A consumable cartridge for a plasma arc torch is provided. The consumable cartridge includes an outer component defining a substantially hollow body, an inner component disposed substantially within the hollow body of the outer component, and a hollow region between the rear portion of the inner component and the outer component. The inner component includes a forward portion configured to axially secure and rotatatably engage the outer component to the inner component and a rear portion substantially suspended within the hollow body of the outer component. The rear portion is axially secured and rotatably engaged with the outer component via the forward portion. The hollow region is configured to receive a torch head to enable mating between the rear portion of the inner component and a cathode of the torch head.Type: ApplicationFiled: November 7, 2019Publication date: March 5, 2020Inventors: Zheng Duan, Stephen T. Eickhoff, Yu Zhang, Jesse A. Roberts, Eric Streit, Brandon Mason, Dennis Kulakowski
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Publication number: 20190335573Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.Type: ApplicationFiled: July 12, 2019Publication date: October 31, 2019Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel
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Patent number: 10335888Abstract: A swirl ring for a plasma arc torch includes a body configured to at least partially surround and slidingly engage an electrode of the plasma arc torch. The body includes a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, and at least one protuberance extending from the second end in a direction of the longitudinal axis. The at least one protuberance is configured to engage a switch of the plasma arc torch for sensing a presence of a swirl ring in the plasma arc torch.Type: GrantFiled: February 9, 2018Date of Patent: July 2, 2019Assignee: Hypertherm, Inc.Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Publication number: 20180257164Abstract: A swirl ring for a plasma arc torch includes a body configured to at least partially surround and slidingly engage an electrode of the plasma arc torch. The body includes a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, and at least one protuberance extending from the second end in a direction of the longitudinal axis. The at least one protuberance is configured to engage a switch of the plasma arc torch for sensing a presence of a swirl ring in the plasma arc torch.Type: ApplicationFiled: February 9, 2018Publication date: September 13, 2018Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Publication number: 20180235066Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.Type: ApplicationFiled: April 13, 2018Publication date: August 16, 2018Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel
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Publication number: 20180228013Abstract: A consumable cartridge for a plasma arc torch includes a cartridge frame having a first end and a second end opposite the first end, the first and second ends defining a longitudinal axis, the second end including a plurality of discrete retaining features. The consumable cartridge includes an electrically conductive contact element secured to the cartridge frame by the plurality of discrete retaining features and translatable up to a predetermined distance within the cartridge frame along the longitudinal axis at the second end, the contact element having a core, a proximal surface, and a distal surface. The proximal surface is shaped to contact a torch plunger of the plasma arc torch upon installation into the plasma arc torch and the distal surface is shaped to contact an electrode of the plasma arc torch during an operation of the plasma arc torch.Type: ApplicationFiled: February 9, 2018Publication date: August 9, 2018Inventors: Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan, Steven Moody, Stephen T. Eickhoff, Garrett K. Quillia
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Publication number: 20180178310Abstract: A connector component configured for coupling a consumable component to a plasma arc torch is provided. The connector component comprises a body having a proximal end and a distal end disposed along and defining a longitudinal axis. The connector component includes at least two engagement regions disposed radially about the longitudinal axis on a surface of the body. Each engagement region includes at least one engagement feature disposed on the surface of the body. The connector component also includes at least two free regions disposed radially about the longitudinal axis on the surface of the body. Each free region is radially located between a pair of the engagement regions and characterized by an absence of the engagement feature.Type: ApplicationFiled: February 26, 2018Publication date: June 28, 2018Inventors: Harshawardhan Jogdand, E. Michael Shipulski, David J. Cook, David L. Bouthillier, Zheng Duan, Jesse A. Roberts, Micah Roberts, Stephen M. Dunbar, Peter J. Twarog, Brian J. Currier, Stephen M. Liebold, Brett A. Hansen, Garrett K. Quillia
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Patent number: 9967964Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.Type: GrantFiled: May 29, 2015Date of Patent: May 8, 2018Assignee: Hypertherm, Inc.Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel