Patents by Inventor Norbert Heeb
Norbert Heeb 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: 11992924Abstract: A setting tool for driving fastening elements into a substrate is provided, the setting tool comprising a holder, which is provided for holding a fastening element, a drive-in element, which is provided for transferring a fastening element held in the holder into the substrate along a setting axis, a drive, which is provided for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor, which is arranged on the setting axis or around the setting axis.Type: GrantFiled: May 29, 2019Date of Patent: May 28, 2024Assignee: HILTI AKTIENGESELLSCHAFTInventors: Tilo Dittrich, Norbert Heeb
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Patent number: 11986939Abstract: A setting tool for driving fastening elements into a substrate comprises a holder for holding a fastening element; a drive-in element for transferring a fastening element held in the holder into the substrate along a setting axis; and, a drive for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor; a squirrel-cage rotor arranged on the drive-in element; and, an excitation coil, which during rapid discharge of the capacitor is flowed through by current and generates a magnetic field that accelerates the drive-in element toward the fastening element, and wherein the setting tool has a control unit, which is suitable for carrying out a fuse discharge of the capacitor during which current does not flow through the excitation coil.Type: GrantFiled: May 29, 2019Date of Patent: May 21, 2024Assignee: HILTI AKTIENGESELLSCHAFTInventors: Tilo Dittrich, Norbert Heeb, Kai Friewald
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Patent number: 11919134Abstract: A tool having a working piston that moves along a working axis, a drive, for driving the working piston along the working axis, the drive having an electrical capacitor, a squirrel-cage rotor arranged on the working piston and an excitation coil, wherein current flows through the coil during rapid discharge of the capacitor and generates a magnetic field that accelerates the working piston, the tool having a frame of a soft-magnetic and electrically conducting material surrounding the excitation coil and extending in a circumferential direction with respect to the working axis, the frame having one or more at least partial interruptions, which extend over a significant part of a radial extent of the frame with respect to the working axis.Type: GrantFiled: June 22, 2020Date of Patent: March 5, 2024Assignee: Hilti AktiengesellschaftInventors: Tilo Dittrich, Norbert Heeb, Emanuel Kurth, Chafic Abu Antoun
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Patent number: 11712792Abstract: A setting tool for driving fastening elements into a substrate, comprising a holder for holding a fastening element; a drive-in element for transferring a fastening element held in the holder into the substrate along a setting axis; and a drive for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor; a squirrel-cage rotor arranged on the drive-in element; and an excitation coil; which during discharge of the capacitor is flowed through by current and generates a magnetic field that accelerates the drive-in element toward the fastening element, wherein the setting tool further comprises a soft-magnetic frame, in which the excitation coil is embedded; and a supporting structure; wherein, at least during the discharge of the capacitor, the supporting structure exerts on the soft-magnetic frame a pretensioning force directed radially inward with respect to the setting axis.Type: GrantFiled: May 29, 2019Date of Patent: August 1, 2023Assignee: Hilti AktiengesellschaftInventors: Tilo Dittrich, Thomas Sperrfechter, Norbert Heeb
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Publication number: 20220258317Abstract: A tool having a working piston that moves along a working axis, a drive, for driving the working piston along the working axis, the drive having an electrical capacitor, a squirrel-cage rotor arranged on the working piston and an excitation coil, wherein current flows through the coil during rapid discharge of the capacitor and generates a magnetic field that accelerates the working piston, the tool having a frame of a soft-magnetic and electrically conducting material surrounding the excitation coil and extending in a circumferential direction with respect to the working axis, the frame having one or more at least partial interruptions, which extend over a significant part of a radial extent of the frame with respect to the working axis.Type: ApplicationFiled: June 22, 2020Publication date: August 18, 2022Inventors: Tilo DITTRICH, Norbert HEEB, Emanuel KURTH, Chafic ABU ANTOUN
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Patent number: 11204046Abstract: The invention relates to a fuel-operated firing device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a driving piston that can be driven out of the main combustion chamber in a firing direction by expandable gases, and a pre-chamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. In order to improve the efficacy and/or functionality during the driving in of securing elements using the fuel-operated firing device, the pre-chamber has at least two venting connections which are mutually spaced in an axial direction and which have passages that can be exposed conjointly in order to facilitate rapid venting of the pre-chamber.Type: GrantFiled: December 20, 2016Date of Patent: December 21, 2021Assignee: Hilti AktiengesellschaftInventors: Tilo Dittrich, Daniel Jung, Dominik Schmidt, Peter Bruggmueller, Philipp Heinze, Norbert Heeb, Edwin Staudacker
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Patent number: 11103987Abstract: The invention relates to a fuel-operated firing device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a driving piston that can be driven out of the main combustion chamber in a firing direction by expandable gases, and a pre-chamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. In order to improve the efficacy and/or functionality during the driving in of securing elements, a detection system is associated with the driving piston, said detection system being connected to an electronic feedback control device for control purposes, in order to detect an initial position of the driving piston prior to a firing operation.Type: GrantFiled: December 20, 2016Date of Patent: August 31, 2021Assignee: HILTI AKTIENGESELLSCHAFTInventors: Tilo Dittrich, Daniel Jung, Dominik Schmidt, Norbert Heeb, Peter Bruggmueller
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Publication number: 20210229251Abstract: A setting tool for driving fastening elements into a substrate comprises a holder for holding a fastening element; a drive-in element for transferring a fastening element held in the holder into the substrate along a setting axis; and, a drive for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor; a squirrel-cage rotor arranged on the drive-in element; and, an excitation coil, which during rapid discharge of the capacitor is flowed through by current and generates a magnetic field that accelerates the drive-in element toward the fastening element, and wherein the setting tool has a control unit, which is suitable for carrying out a fuse discharge of the capacitor during which current does not flow through the excitation coil.Type: ApplicationFiled: May 29, 2019Publication date: July 29, 2021Applicant: Hilti AktiengesellschaftInventors: Tilo DITTRICH, Norbert HEEB, Kai FRIEWALD
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Publication number: 20210178561Abstract: A setting tool for driving fastening elements into a substrate is provided, the setting tool comprising a holder, which is provided for holding a fastening element, a drive-in element, which is provided for transferring a fastening element held in the holder into the substrate along a setting axis, a drive, which is provided for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor, which is arranged on the setting axis or around the setting axis.Type: ApplicationFiled: May 29, 2019Publication date: June 17, 2021Inventors: Tilo DITTRICH, Norbert HEEB
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Publication number: 20210060750Abstract: A setting tool for driving fastening elements into a substrate, comprising a holder for holding a fastening element; a drive-in element for transferring a fastening element held in the holder into the substrate along a setting axis; and a drive for driving the drive-in element toward the fastening element along the setting axis, wherein the drive comprises an electrical capacitor; a squirrel-cage rotor arranged on the drive-in element; and an excitation coil; which during discharge of the capacitor is flowed through by current and generates a magnetic field that accelerates the drive-in element toward the fastening element, wherein the setting tool further comprises a soft-magnetic frame, in which the excitation coil is embedded; and a supporting structure; wherein, at least during the discharge of the capacitor, the supporting structure exerts on the soft-magnetic frame a pretensioning force directed radially inward with respect to the setting axis.Type: ApplicationFiled: May 29, 2019Publication date: March 4, 2021Inventors: Tilo DITTRICH, Thomas SPERRFECHTER, Norbert HEEB
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Patent number: 10926388Abstract: The invention relates to a fuel-powered setting device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a drive piston that can be driven out of the main combustion chamber in a setting direction by expandable gases, and a prechamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. To improve efficiency and/or functionality when driving in securing elements, the setting device can be operated in different energy classes by an energy adjustment.Type: GrantFiled: December 20, 2016Date of Patent: February 23, 2021Assignee: Hilti AktiengesellschaftInventors: Dominik Schmidt, Norbert Heeb, Tilo Dittrich, Peter Bruggmueller
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Patent number: 10926390Abstract: The invention relates to a fuel-operated firing device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a driving piston that can be driven out of the main combustion chamber in a firing direction by expandable gases, and a pre-chamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. In order to improve the efficacy and/or functionality during the driving in of securing elements, a valve system is associated with the pre-chamber, by which valve system a maximum charge pressure in the pre-chamber can be varied in order to adjust the firing energy provided during the firing operation.Type: GrantFiled: December 20, 2016Date of Patent: February 23, 2021Assignee: Hilti AktiengesellschaftInventors: Tilo Dittrich, Daniel Jung, Dominik Schmidt, Norbert Heeb, Thomas Demharter
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Patent number: 10898996Abstract: A combustion-powered placing tool for driving fastening elements into a subsurface comprises a main combustion chamber for a compressible fuel, a driving piston, which in a starting position is retracted, and which can be driven from the main combustion chamber in the placing direction via expandable gases, a prechamber to which an ignition device is assigned, and in which a pressure acting upon the main combustion chamber can be build up prior to ignition of a fuel-air mixture in the main combustion chamber, wherein an additional ignition device is assigned to the main combustion chamber. In order to improve the effectiveness and/or the functionality during driving-in of a fastener, the placing tool comprises a selector device, allowing a selection between a reduced energy operation having an ignition in the main combustion chamber and a high-energy operation having an ignition in the prechamber.Type: GrantFiled: December 20, 2016Date of Patent: January 26, 2021Assignee: Hilti AktiengesellschaftInventors: Norbert Heeb, Peter Bruggmueller, Dominik Schmidt, Tilo Dittrich
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Publication number: 20200282536Abstract: The invention relates to a fuel-powered setting device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a drive piston that can be driven out of the main combustion chamber in a setting direction by expandable gases, and a prechamber with which an ignition arrangement is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber, wherein the prechamber is or can be connected to surroundings of the prechamber via at least one passage opening able to be closed by a control device. To improve the efficiency and/or functionality when driving in securing elements, the control device comprises an electronic control unit.Type: ApplicationFiled: December 20, 2016Publication date: September 10, 2020Inventors: Dominik SCHMIDT, Iwan WOLF, Tilo DITTRICH, Peter BRUGGMUELLER, Norbert HEEB
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Publication number: 20200276692Abstract: The invention relates to a fuel-powered setting device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a drive piston that can be driven out of the main combustion chamber in a setting direction by means of expandable gases, and a prechamber with which an ignition arrangement is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber, wherein the prechamber is or can be connected to surroundings of the prechamber via at least one passage opening able to be closed by a control device. To improve efficiency and/or functionality when driving in securing elements, the control device and the main combustion chamber are linked by a control pressure connection.Type: ApplicationFiled: December 20, 2016Publication date: September 3, 2020Inventors: Iwan WOLF, Dominik SCHMIDT, Tilo DITTRICH, Peter BRUGGMUELLER, Norbert HEEB
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Patent number: 10759032Abstract: The invention relates to a drive-in device comprising a drive-in piston guided in a cylinder for driving a nail component into a work piece, a combustion chamber arranged on the drive-in piston, and which can be filled with an incendive gas mixture, a charge component for producing an over-pressure of the gas mixture, and a touch component for recognising a pressing of the drive-in device on a work piece, wherein the combustion chamber is connected to an outer space via a valve component, wherein the valve component is controlled in accordance with a position of the touch component, such that, in the event of a non-ignition, the over-pressure of the gas mixture can escape via the valve component after a removal of the drive-in device.Type: GrantFiled: September 6, 2016Date of Patent: September 1, 2020Assignee: HILTI AKTIENGESELLSCHAFTInventors: Dominik Schmidt, Tilo Dittrich, Peter Bruggmueller, Norbert Heeb
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Publication number: 20200269405Abstract: The invention relates to a fuel-operated firing device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a driving piston that can be driven out of the main combustion chamber in a firing direction by expandable gases, and a pre-chamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. In order to improve the efficacy and/or functionality during the driving in of securing elements, a valve system is associated with the pre-chamber, by which valve system a maximum charge pressure in the pre-chamber can be varied in order to adjust the firing energy provided during the firing operation.Type: ApplicationFiled: December 20, 2016Publication date: August 27, 2020Inventors: Tilo DITTRICH, Daniel JUNG, Dominik SCHMIDT, Norbert HEEB, Thomas DEMHARTER
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Publication number: 20200262041Abstract: The invention relates to a fuel-powered setting device for driving securing elements into a substrate, comprising at least one main combustion chamber for a fuel, a drive piston that can be driven out of the main combustion chamber in a setting direction by expandable gases, and a prechamber with which an ignition device is associated and in which a pressure acting on the main combustion chamber can build up prior to a fuel-air mixture being ignited in said main combustion chamber. To improve efficiency and/or functionality when driving in securing elements, the setting device can be operated in different energy classes by an energy adjustment.Type: ApplicationFiled: December 20, 2016Publication date: August 20, 2020Inventors: Dominik SCHMIDT, Norbert HEEB, Tilo DITTRICH, Peter BRUGGMUELLER
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Patent number: 10639777Abstract: The invention relates to a drive-in device, comprising a drive-in piston, guided in a cylinder, for driving a nail member into a workpiece, and a combustion chamber arranged above the drive-in piston, said combustion chamber being Tillable with a combustion gas, wherein the combustion chamber has a bottom that is adjustable along an axis, wherein the bottom has a groove that extends in the circumferential direction and has an inserted seal which bears in a radial direction against a rigid combustion-chamber wall, wherein a front surface, in the axial direction, of the seal protrudes in the direction of the axis from a terminating plane of the groove.Type: GrantFiled: December 16, 2015Date of Patent: May 5, 2020Assignee: HILTI AKTIENGESELLSCHAFTInventors: Peter Stauss-Reiner, Norbert Heeb, Thomas Sperrfechter, Markus Woerner, Tilo Dittrich
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Patent number: 10583547Abstract: A method and a system for controlling injection processes in liquid fuel-operated setting devices is provided wherein a time-controlled metering device supplies fuel from a fuel tank to a combustion chamber. In order to further improve control of injection processes in the liquid fuel-operated setting devices, a metering time interval of the time-controlled metering device is adapted to the age of the fuel tank.Type: GrantFiled: March 31, 2015Date of Patent: March 10, 2020Assignee: HILTI AKTIENGESELLSCHAFTInventors: Peter Stauss-Reiner, Norbert Heeb, Tilo Dittrich