Patents by Inventor Andreas Stocker
Andreas Stocker 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: 20240103108Abstract: The disclosure relates to a gradient coil unit comprising a hollow cylindrical primary coil longitudinally surrounding a cylinder axis and designed to generate a magnetic field gradient in a first spatial direction, which primary coil comprises two primary conductor pattern pairs. Each primary conductor pattern pair of the two primary conductor pattern pairs is separately drivable, spans one half of the primary coil in each case, and comprises two spiral conductor patterns, which are formed by an electrical conductor implemented as a hollow conductor.Type: ApplicationFiled: September 27, 2023Publication date: March 28, 2024Applicant: Siemens Healthcare GmbHInventors: Andreas Krug, Simon Bauer, Stefan Stocker, Peter Dietz
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Patent number: 11177086Abstract: An on-load tap changer includes: a fine selector, including: fixed contacts having a commutation contact, connectable with a main winding, and tap contacts, connectable with an associated tap of regulating windings; first and second arms that selectably contact the fixed contacts; a preselector, switchable between first and second settings, connectable with the regulating and main windings, and having: first, second, and third preselector fixed contacts, connectable in the first setting with the first preselector fixed contact and in the second setting with the second preselector fixed contact; and a load changeover switch, switchable between first and second changeover settings, and including: a first terminal connected with the first arm, a second terminal connected with the second arm, and a diverter line connected in the first changeover setting with the first terminal and in the second changeover setting with the second terminal.Type: GrantFiled: September 7, 2017Date of Patent: November 16, 2021Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Andreas Stocker, Marco Hoerl, Christian Hammer
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Patent number: 10692664Abstract: The invention relates to a switch assembly (1), in particular a preselector, for a variable transformer (4) having a first winding (2) and a second winding (3) with a first and a second tap (3.3, 3.4), said switch assembly comprising: a first connection terminal (2.1) that can be connected to the first winding (2); a second connection terminal (3.1) that can be connected to the first tap (3.3); a third connection terminal (3.2) that can be connected to the second tap (3.4); a first, second, third and fourth fixed contact (5.1, 5.2, 5.3, 5.4); a vacuum interrupter (6); a first moving contact (7) that can be contacted selectively with the first or second fixed contact (5.1, 5.2); a second moving contact (8) that can be contacted selectively with the third or fourth fixed contact (5.3, 5.4), wherein the second and the fourth fixed contact (5.2, 5.4) are connected to the second connection terminal (3.1), the first and the third fixed contact (5.1, 5.Type: GrantFiled: August 21, 2015Date of Patent: June 23, 2020Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Eduard Zerr, Andreas Stocker, Moritz Bengler, Markus Zintl, Martin Pankofer, Wladimir Bauer, Benedikt Ittlinger, Gerhard Baeuml, Sebastian Rehkopf
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Patent number: 10643802Abstract: A selector for an on-load tap changer with a diverter switch includes: an insulating plate with a first side and a second side, the second side opposite the first side; a plurality of fixed contacts, which extend from the first side through the insulating plate to the second side; a first movable contact on the first side; a second movable contact on the second side; a first connection, which is connected with the first movable contact and which is connectable with a first branch of the diverter switch; and a second connection, which is connected with the second movable contact and which is connectable with a second branch of the diverter switch. Each of the first moveable contact and the second movable contact are selectably connectable with each of the fixed contacts.Type: GrantFiled: March 8, 2017Date of Patent: May 5, 2020Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Christian Hammer, Alfred Bieringer, Nikolaus Unterreiner, Hubert Zwirglmaier, Andreas Stocker
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Patent number: 10460884Abstract: A switching arrangement (1), in particular a polarity switching means, for a control transformer (10) which comprises a first winding (2) for a phase of an AC power supply system, which phase is to be controlled, comprises —a first connection terminal (1.1) which can be connected to the winding (2); —a second connection terminal (1.2) which can be connected to a discharge line (3); —a vacuum interrupter (4); —an isolator (5); —a resistor (6) which is connected in series with the vacuum interrupter (4) and the isolator (5); wherein —the first connection terminal (1.1) is connected to the second connection terminal (1.2) by means of the series circuit.Type: GrantFiled: August 21, 2015Date of Patent: October 29, 2019Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Martin Pankofer, Moritz Bengler, Eduard Zerr, Gerhard Baeuml, Wladimir Bauer, Sebastian Rehkopf, Stefan Herold, Benedikt Ittlinger, Andreas Stocker, Markus Zintl
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Publication number: 20190228922Abstract: An on-load tap changer includes: a fine selector, including: fixed contacts having a commutation contact, connectable with a main winding, and tap contacts, connectable with an associated tap of regulating windings; first and second arms that selectably contact the fixed contacts; a preselector, switchable between first and second settings, connectable with the regulating and main windings, and having: first, second, and third preselector fixed contacts, connectable in the first setting with the first preselector fixed contact and in the second setting with the second preselector fixed contact; and a load changeover switch, switchable between first and second changeover settings, and including: a first terminal connected with the first arm, a second terminal connected with the second arm, and a diverter line connected in the first changeover setting with the first terminal and in the second changeover setting with the second terminal.Type: ApplicationFiled: September 7, 2017Publication date: July 25, 2019Inventors: Andreas Stocker, Marco Hoerl, Christian Hammer
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Publication number: 20190096596Abstract: A selector for an on-load tap changer with a diverter switch includes: an insulating plate with a first side and a second side, the second side opposite the first side; a plurality of fixed contacts, which extend from the first side through the insulating plate to the second side; a first movable contact on the first side; a second movable contact on the second side; a first connection, which is connected with the first movable contact and which is connectable with a first branch of the diverter switch; and a second connection, which is connected with the second movable contact and which is connectable with a second branch of the diverter switch. Each of the first moveable contact and the second movable contact are selectably connectable with each of the fixed contacts.Type: ApplicationFiled: March 8, 2017Publication date: March 28, 2019Inventors: Christian Hammer, Alfred Bieringer, Nikolaus Unterreiner, Hubert Zwirglmaier, Andreas Stocker
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Patent number: 10153101Abstract: The invention relates to a switching arrangement (15) with a pre-selector (28) for a power transformer (10, 40) which has multiple windings (12, 14). The pre-selector is designed to optionally connect at least one first winding (12) to one of the two end contacts (30, 32) of at least one second winding (14). At least one first switch is arranged in the connection between the pre-selector (28) and the first winding (12), thereby allowing the pre-selector to be switched in an arc-free manner and thus in a gas-free manner as well.Type: GrantFiled: September 26, 2014Date of Patent: December 11, 2018Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Uwe Kaltenborn, Thomas Strof, Christian Hurm, Anatoli Saveliev, Gerhard Baeuml, Alfred Bieringer, Eduard Zerr, Wolfgang Albrecht, Martin Hausmann, Andreas Stocker
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Patent number: 9984833Abstract: The invention relates to a step switch, comprising a pre-selector and a fine selector. The invention is characterized in that the step switch has a connection (36) between the pre-selector and the fine selector (18), at least one coupling switch (38) being arranged in said connection. A pre-selector can be switched in a largely gas-free manner by means of said switchable connection with the aid of the fine selector.Type: GrantFiled: September 26, 2014Date of Patent: May 29, 2018Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Uwe Kaltenborn, Thomas Strof, Christian Hurm, Anatoli Saveliev, Gerhard Baeuml, Alfred Bieringer, Eduard Zerr, Wolfgang Albrecht, Martin Hausmann, Andreas Stocker
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Publication number: 20170271098Abstract: A switching arrangement (1), in particular a polarity switching means, for a control transformer (10) which comprises a first winding (2) for a phase of an AC power supply system, which phase is to be controlled, comprises—a first connection terminal (1.1) which can be connected to the winding (2);—a second connection terminal (1.2) which can be connected to a discharge line (3);—a vacuum interrupter (4);—an isolator (5);—a resistor (6) which is connected in series with the vacuum interrupter (4) and the isolator (5); wherein—the first connection terminal (1.1) is connected to the second connection terminal (1.2) by means of the series circuit.Type: ApplicationFiled: August 21, 2015Publication date: September 21, 2017Inventors: Martin PANKOFER, Moritz BENGLER, Eduard ZERR, Gerhard BAEUML, Wladimir BAUER, Sebastian REHKOPF, Stefan HEROLD, Benedikt ITTLINGER, Andreas STOCKER, Markus ZINTL
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Patent number: 9762161Abstract: An on-load tap changer for uninterrupted switching between different winding taps of a tapped transformer has a plurality of fixed selector contacts electrically connected with the individual winding taps, arranged in a line, and actuatable by two longitudinally displaceable movable selector contacts. Two vacuum interrupters serve for the uninterrupted switching of each phase. A motor drive actuates the on-load tap changer. The entire load changeover switch is arranged by a transmission module on the underside of a transformer cover.Type: GrantFiled: March 25, 2013Date of Patent: September 12, 2017Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Martin Pankofer, Andreas Stocker
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Publication number: 20170236658Abstract: The invention relates to a switch assembly (1), in particular a preselector, for a variable transformer (4) having a first winding (2) and a second winding (3) with a first and a second tap (3.3, 3.4), said switch assembly comprising: a first connection terminal (2.1) that can be connected to the first winding (2); a second connection terminal (3.1) that can be connected to the first tap (3.3); a third connection terminal (3.2) that can be connected to the second tap (3.4); a first, second, third and fourth fixed contact (5.1, 5.2, 5.3, 5.4); a vacuum interrupter (6); a first moving contact (7) that can be contacted selectively with the first or second fixed contact (5.1, 5.2); a second moving contact (8) that can be contacted selectively with the third or fourth fixed contact (5.3, 5.4), wherein the second and the fourth fixed contact (5.2, 5.4) are connected to the second connection terminal (3.1), the first and the third fixed contact (5.1, 5.Type: ApplicationFiled: August 21, 2015Publication date: August 17, 2017Inventors: Eduard ZERR, Andreas STOCKER, Moritz BENGLER, Markus ZINTL, Martin PANKOFER, Wladimir BAUER, Benedikt ITTLINGER, Gerhard BAEUML, Sebastian REHKOPF
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Patent number: 9543096Abstract: The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.Type: GrantFiled: March 25, 2013Date of Patent: January 10, 2017Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Alfred Bieringer, Christian Hammer, Martin Pankofer, Rolf Strempel, Andreas Stocker
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Patent number: 9406434Abstract: The invention relates to a distribution transformer having a tap-changing device for no-break switching between different winding taps of a distribution transformer. The general inventive concept consists in actuating both the selector contact unit and the switching means for no-break load switching by means of a common motor drive without interposition of an energy store.Type: GrantFiled: March 25, 2013Date of Patent: August 2, 2016Assignee: MASCHINENFABRIK REINHAUSEN GMBHInventors: Alfred Bieringer, Christian Hammer, Martin Pankofer, Rolf Strempel, Andreas Stocker
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Publication number: 20160211089Abstract: The invention relates to a step switch, comprising a preselector and a fine selector. The invention is characterized in that the step switch has a connection (36) between the pre-selector and the fine selector (18), at least one coupling switch (38) being arranged in said connection. A pre-selector can be switched in a largely gas-free manner by means of said switchable connection with the aid of the fine selector.Type: ApplicationFiled: September 26, 2014Publication date: July 21, 2016Inventors: Uwe KALTENBORN, Thomas STROF, Christian HURM, Anatoli SAVELIEV, Gerhard BAEUML, Alfred BIERINGER, Eduard ZERR, Wolfgang ALBRECHT, Martin HAUSMANN, Andreas STOCKER
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Publication number: 20160211090Abstract: The invention relates to a switching arrangement (15) with a pre-selector (28) for a power transformer (10, 40) which has multiple windings (12, 14). The pre-selector is designed to optionally connect at least one first winding (12) to one of the two end contacts (30, 32) of at least one second winding (14). At least one first switch is arranged in the connection between the preselector (28) and the first winding (12), thereby allowing the pre-selector to be switched in an arc-free manner and thus in a gas-free manner as well.Type: ApplicationFiled: September 26, 2014Publication date: July 21, 2016Inventors: Uwe KALTENBORN, Thomas STROF, Christian HURM, Anatoli SAVELIEV, Gerhard BAEUML, Alfred BIERINGER, Eduard ZERR, Wolfgang ALBRECHT, Martin HAUSMANN, Andreas STOCKER
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Publication number: 20150091684Abstract: The present invention relates to an on-load tap changer for uninterrupted switching between different winding taps of a tapped transformer according to the first claim. The general inventive concept is that of arranging the on-load tap changer on the underside of the transformer cover by means of a gear module.Type: ApplicationFiled: March 25, 2013Publication date: April 2, 2015Inventors: Martin Pankofer, Andreas Stocker
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Publication number: 20150027989Abstract: The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.Type: ApplicationFiled: March 25, 2013Publication date: January 29, 2015Inventors: Alfred Bieringer, Christian Hammer, Martin Pankofer, Rolf Strempel, Andreas Stocker
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Publication number: 20150028978Abstract: The invention relates to a distribution transformer having a tap-changing device for no-break switching between different winding taps of a distribution transformer. The general inventive concept consists in actuating both the selector contact unit and the switching means for no-break load switching by means of a common motor drive without interposition of an energy store.Type: ApplicationFiled: March 25, 2013Publication date: January 29, 2015Inventors: Alfred Bieringer, Christian Hammer, Martin Pankofer, Rolf Strempel, Andreas Stocker