Patents by Inventor Harald Burkart
Harald Burkart 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: 11781514Abstract: The present invention relates to an apparatus (1) for pressure control in a fuel feed of an internal combustion engine with a common rail injection, comprising a housing (10) with an opening (15), and an electromagnetic high pressure valve (30), wherein the electromagnetic high pressure valve (30) is at least partially inserted into the opening (15) of the housing (10) at the end, wherein the electromagnetic high pressure valve (30) is connected in a pressure-tight manner in the opening (15) to the housing (10) by a connection (20) and the connection (20) has a first portion (21) and at least one second portion (22), and wherein the first portion (21) and the at least one second portion (22) have different mechanical and/or geometric properties.Type: GrantFiled: September 8, 2020Date of Patent: October 10, 2023Assignee: KENDRION (VILLINGEN) GMBHInventors: Wolfram Maiwald, Ralf Heingl, Harald Burkart
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Publication number: 20220397085Abstract: The present invention relates to an apparatus (1) for pressure control in a fuel feed of an internal combustion engine with a common rail injection, comprising a housing (10) with an opening (15), and an electromagnetic high pressure valve (30), wherein the electromagnetic high pressure valve (30) is at least partially inserted into the opening (15) of the housing (10) at the end, wherein the electromagnetic high pressure valve (30) is connected in a pressure-tight manner in the opening (15) to the housing (10) by a connection (20) and the connection (20) has a first portion (21) and at least one second portion (22), and wherein the first portion (21) and the at least one second portion (22) have different mechanical and/or geometric properties.Type: ApplicationFiled: September 8, 2020Publication date: December 15, 2022Inventors: Wolfram MAIWALD, Ralf HEINGL, Harald BURKART
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Patent number: 10941678Abstract: An adjusting device having at least one tappet assembly. The at least one tappet assembly comprises a tappet, at least one guide cylinder, and a pole core. The tappet is arranged in the guide cylinder in a movable manner along a longitudinal axis, and a non-magnetic connection socket is arranged between the guide cylinder and the pole core. The guide cylinder and the pole core are arranged at a distance to each other in the longitudinal axis by the connection socket.Type: GrantFiled: August 14, 2018Date of Patent: March 9, 2021Assignee: Kendrion (Villingen) GmbHInventors: Tsuneo Suzuki, Wolfram Maiwald, Harald Burkart, Michael Tischtschenko, Andreas Kammerer
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Publication number: 20200308994Abstract: An adjusting device having at least one tappet assembly. The at least one tappet assembly comprises a tappet, at least one guide cylinder, and a pole core. The tappet is arranged in the guide cylinder in a movable manner along a longitudinal axis, and a non-magnetic connection socket is arranged between the guide cylinder and the pole core. The guide cylinder and the pole core are arranged at a distance to each other in the longitudinal axis by means of the connection socket.Type: ApplicationFiled: August 14, 2018Publication date: October 1, 2020Applicant: Kendrion (Villingen) GmbHInventors: Tsuneo Suzuki, Wolfram Maiwald, Harald Burkart, Michael Tischtschenko, Andreas Kammerer
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Patent number: 10428696Abstract: The invention is an actuator device comprising a first and a second tappet, wherein the first tappet is movably arranged in a first guide sleeve and the second tappet is movably arranged in a second guide sleeve, wherein the first tappet in the first guide sleeve is surrounded by a first restoring spring and the second tappet in the second guide sleeve is surrounded by a second restoring spring, and wherein the guide sleeves are arranged at a fixed distance from each other, wherein the first restoring spring is a coil spring wound in the left-hand direction and the second restoring spring is a coil spring wound in the right-hand direction.Type: GrantFiled: April 4, 2016Date of Patent: October 1, 2019Inventors: Tsuneo Suzuki, Harald Burkart, Wolfram Maiwald, Pedro Marull-Kessler, Michael Tischtschenko, Martin Schuetz
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Patent number: 10290410Abstract: A electromagnetic camshaft adjuster comprising: an armature unit which can be moved relative to a pole core when a stationary coil unit is energized and which has an armature plunger; and a permanent magnet unit by means of which the armature unit is held in a rest position when the coil unit is not energized; and a spring element between the pole core and the armature unit to force the armature unit axially away from the pole core, the spring force of the spring element being chosen smaller than the holding force of the permanent magnet unit when the coil unit is not energized. The permanent magnet unit is stationarily arranged between a housing cover and the pole core, the armature plunger is rotationally arranged, and the spring element is supported on a part of the armature unit which is rotationally fixedly mounted.Type: GrantFiled: June 30, 2015Date of Patent: May 14, 2019Assignee: Kendrion (Villingen) GmbHInventors: Dominik Halder, Pedro Marull-Kessler, Wolfram Maiwald, Tsuneo Suzuki, Harald Burkart
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Patent number: 10247054Abstract: An electromagnetic adjusting device having a first, second and third plug contacts for operating the adjusting device on an operating voltage source having a first and second voltage pole. The device can include an actuator coupled to the plug contacts. The actuator can have a magnet coil with a first terminal connected to the first plug contact, a second terminal connected to the second plug contact, where either the first or the second plug contact is connected to the first voltage pole. The magnet coil can also have a first transistor with a first control electrode connecting the first terminal to the third plug contact, a second transistor having a second control electrode connecting the second terminal to the third plug contact, a first resistor connecting the first control electrode to the second plug contact and a second resistor connecting the second control electrode to the first plug contact.Type: GrantFiled: October 1, 2015Date of Patent: April 2, 2019Assignee: Kendrion (Villingen) GmbHInventors: Tsuneo Suzuki, Harald Burkart, Wolfram Maiwald
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Publication number: 20180144855Abstract: A electromagnetic camshaft adjuster comprising: an armature unit which can be moved relative to a pole core when a stationary coil unit is energized and which has an armature plunger; and a permanent magnet unit by means of which the armature unit is held in a rest position when the coil unit is not energized; and a spring element between the pole core and the armature unit to force the armature unit axially away from the pole core, the spring force of the spring element being chosen smaller than the holding force of the permanent magnet unit when the coil unit is not energized. The permanent magnet unit is stationarily arranged between a housing cover and the pole core, the armature plunger is rotationally arranged, and the spring element is supported on a part of the armature unit which is rotationally fixedly mounted.Type: ApplicationFiled: June 30, 2015Publication date: May 24, 2018Applicant: Kendrion (Villingen) GmbHInventors: Dominik Halder, Pedro Marull-Kessler, Wolfram Maiwald, Tsuneo Suzuki, Harald Burkart
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Publication number: 20180016949Abstract: The invention is an actuator device comprising a first and a second tappet, wherein the first tappet is movably arranged in a first guide sleeve and the second tappet is movably arranged in a second guide sleeve, wherein the first tappet in the first guide sleeve is surrounded by a first restoring spring and the second tappet in the second guide sleeve is surrounded by a second restoring spring, and wherein the guide sleeves are arranged at a fixed distance from each other, wherein the first restoring spring is a coil spring wound in the left-hand direction and the second restoring spring is a coil spring wound in the right-hand direction.Type: ApplicationFiled: April 4, 2016Publication date: January 18, 2018Inventors: Tsuneo Suzuki, Harald Burkart, Wolfram Maiwald, Pedro Marull-Kessler, Michael Tischtschenko, Martin Schuetz
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Publication number: 20170241301Abstract: An electromagnetic adjusting device having a first, second and third plug contacts for operating the adjusting device on an operating voltage source having a first and second voltage pole. The device can include an actuator coupled to the plug contacts. The actuator can have a magnet coil with a first terminal connected to the first plug contact, a second terminal connected to the second plug contact, where either the first or the second plug contact is connected to the first voltage pole. The magnet coil can also have a first transistor with a first control electrode connecting the first terminal to the third plug contact, a second transistor having a second control electrode connecting the second terminal to the third plug contact, a first resistor connecting the first control electrode to the second plug contact and a second resistor connecting the second control electrode to the first plug contact.Type: ApplicationFiled: October 1, 2015Publication date: August 24, 2017Applicant: Kendrion (Villingen) GmbHInventors: Tsuneo Suzuki, Harald Burkart, Wolfram Maiwald
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Patent number: 9305728Abstract: An electromagnetic actuating apparatus with a first armature arrangement axially displaced between a rest and actuating position and connected to a first actuating element. A pole core is brought into magnetic operative connection with the first armature arrangement. An axially oriented coil unit is energized, influencing the magnetic connection between the first pole core and the first armature arrangement, and a second armature arrangement is connected to a second actuating element and axially displaced between a rest and actuating position. A second pole core can be brought into magnetic operative connection with second armature arrangement, its pole core oriented axially to first pole core influencing its magnetic operative connection with second armature arrangement.Type: GrantFiled: March 4, 2014Date of Patent: April 5, 2016Assignee: KENDRION (VILLINGEN) GMBHInventors: Tsuneo Suzuki, Harald Burkart, Soeren Rosenbaum, Mikhail Revin
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Patent number: 9297345Abstract: A high pressure control valve system with a valve body with an inlet and an outlet, whereby the outlet is shaped by at least one radially oriented opening in the valve body, an essentially discoidally shaped valve seat arranged on the valve body between inlet and outlet and features a valve body bore that connects inlet and outlet, a sealing element that is appropriately arranged on an actuating element in order to close the valve bore, and an actuating device suitably shaped to move the actuating element in such a way as to cause the opening and closing of the valve, characterized in that the valve seat on the exit site features a revolving extension, extending from a foot print axially in direction of the opening.Type: GrantFiled: October 18, 2011Date of Patent: March 29, 2016Assignee: KENDRION BINDER MAGNETE GMBHInventors: Harald Burkart, Wolfram Maiwald, Wei Yu, Frank Zelano, Ralf Heingl, Stefanie Gerhardt
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Publication number: 20150276084Abstract: The invention relates to a pressure control valve (1), comprising a valve body (2) with a control room (9) comprising a valve device (16) and a magnetic coil (4), with radially extending tank bores (20b) ending in the control room (9), an anchor (5), which is movable in an anchor chamber (6) by electrifying the magnetic coil (4), an anchor slide (7) guided by the valve body (2), which at one end is effectively connected to the anchor (5) and at the other end projects into the control room (9) of the valve body (2) to operate the valve device (16), whereby for the generation of pressure compensation, the anchor (5) is embodied between the anchor chamber (6) and the control room (9) with at least one axial pressure compensation bore (10), and the anchor slide (7) being supported in a bearing (8b) of the valve body (2) at the control room side showing at least one pressure compensation groove (14a, 14b).Type: ApplicationFiled: February 2, 2015Publication date: October 1, 2015Inventors: Ralf Heingl, Harald Burkart, Volker Lehmann, Bjoern Bergfeld
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Publication number: 20140253265Abstract: An electromagnetic actuating apparatus with a first armature arrangement axially displaced between a rest and actuating position and connected to a first actuating element. A pole core is brought into magnetic operative connection with the first armature arrangement. An axially oriented coil unit is energized, influencing the magnetic connection between the first pole core and the first armature arrangement, and a second armature arrangement is connected to a second actuating element and axially displaced between a rest and actuating position. A second pole core can be brought into magnetic operative connection with second armature arrangement, its pole core oriented axially to first pole core influencing its magnetic operative connection with second armature arrangement.Type: ApplicationFiled: March 4, 2014Publication date: September 11, 2014Applicant: KENDRION (Villigen) GmbHInventors: Tsuneo SUZUKI, Harald Burkart, Soeren Rosenbaum, Mikhail Revin
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Publication number: 20120266977Abstract: A high pressure control valve system with a valve body with an inlet and an outlet, whereby the outlet is shaped by at least one radially oriented opening in the valve body, an essentially discoidally shaped valve seat arranged on the valve body between inlet and outlet and features a valve body bore that connects inlet and outlet, a sealing element that is appropriately arranged on an actuating element in order to close the valve bore, and an actuating device suitably shaped to move the actuating element in such a way as to cause the opening and closing of the valve, characterized in that the valve seat on the exit site features a revolving extension, extending from a foot print axially in direction of the opening.Type: ApplicationFiled: October 18, 2011Publication date: October 25, 2012Inventors: HARALD BURKART, Wolfram Maiwald, Wei Yu, Frank Zelano, Ralf Heingl, Stefanie Gerhardt
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Publication number: 20120112105Abstract: High-pressure regulating valve (1) with a valve body (2) with an inlet (20) and an outlet (21), a sealing element (4), which acts on a valve seat (3), which is disposed on the valve body (2) between inlet (20) and outlet (21) and has a valve bore (30), an activating element (5) that is mounted able to move along a longitudinal axis and can be activated by an appropriately configured electromagnet (6), wherein an armature (62) of the electromagnet (6) and the activating element (5) are configured as nonconnected, separate structural elements.Type: ApplicationFiled: October 18, 2011Publication date: May 10, 2012Inventors: Harald Burkart, Wolfram Maiwald, Rolf Hermann, Frank Zelano, Ralf Heingl, Klaus Schiess
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Patent number: 7664006Abstract: A device for reading from or writing to optical recording media having an optical assembly and a laser diode coupled thereto is described. The laser diode is a twin laser diode which is coupled to the optical assembly by means of a translationally displaceable rotary joint.Type: GrantFiled: April 15, 2005Date of Patent: February 16, 2010Assignee: Thomson LicensingInventors: Harald Burkart, Günter Tabor
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Patent number: 7634783Abstract: The invention relates to a scanning device for optical discs, having an adjustable scanning unit tensioned against a carrier with a spring. For minimizing the structural space for the spring and avoiding separate fixing elements, the spring is formed as a dip spring, having an elongated spring limb and a bearing limb formed transversely with respect to the latter, which clip spring impinges at one of its ends with the bearing limb on the carrier with a contact force and is supported at its other end at a distance from the impingement location on the housing.Type: GrantFiled: June 13, 2006Date of Patent: December 15, 2009Assignee: Thomson LicensingInventors: Harald Burkart, Rolf Dupper, Guenter Tabor
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Patent number: 7543313Abstract: A device for reading from or writing to optical recording media, having an optical scanner for generating a scanning beam and for detecting a detection beam influenced by the optical recording medium, and a lens holder for focusing the scanning beam onto the optical recording medium; the lens holder being mechanically and electrically coupled to the scanner by retaining wires is disclosed. In a device according to the invention at least one of the retaining wires is a multistrand wire.Type: GrantFiled: April 15, 2005Date of Patent: June 2, 2009Assignee: Thomson LicensingInventors: Harald Burkart, Rolf Dupper, Tsuneo Suzuki
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Patent number: 7428113Abstract: The present invention relates to a device for reading from and/or writing to optical recording media, having a light source for producing a scanning beam for scanning the optical recording medium, detection means for detecting the beam influenced by the optical recording medium, and an optical element arranged in the optical beam path by means of a holder. The optical element has in a plane perpendicular to the axis of the beam path outer boundary lines inclined to one another in such a way as to enable a unique orientation. The holder has a cutout with correspondingly inclined inner boundary lines.Type: GrantFiled: March 23, 2005Date of Patent: September 23, 2008Assignee: Thomson LicensingInventors: Harald Burkart, Frank Strauch