Patents by Inventor Klaus Weiske
Klaus Weiske 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: 11054015Abstract: A gearbox for a planetary gear having a hollow-cylindrical housing body having a first internal gear, and a bearing flange engaging at least in sections coaxially in the housing body, so that an overlap area is formed, wherein the housing body and the bearing flange are firmly bonded to each other in the overlap area by laser irradiation welding. The bearing flange has a second internal gear in the overlap area. The gearbox relates to a planetary gear and a motor/transmission combination having such a gearbox and a production method thereof.Type: GrantFiled: December 6, 2018Date of Patent: July 6, 2021Assignee: BÜHLER MOTOR GMBHInventors: Michael Antes, Bernd Reinecker, Olaf Richter, Klaus Weiske, Reiner Hettych
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Patent number: 11025109Abstract: A permanent magnet rotor of an electric motor, includes a laminated core having magnet pockets, the laminated core being composed of two partial laminated cores. A plurality of permanent magnets are held in a force-fitting manner in magnet pockets of the laminated core, the magnets extending over both partial laminated cores. Sheet metal tongues, which maintain the force fit of the permanent magnets, are deflected in the first partial laminated core in a first axial direction and in the second partial laminated core in a second axial direction opposite to the first direction, wherein the partial laminated cores consist of stamped metal sheets and the permanent magnets are pressed into the magnet pockets in the stamping direction.Type: GrantFiled: January 9, 2019Date of Patent: June 1, 2021Assignee: BÜHLER MOTOR GMBHInventors: Heinz Günther, Martin Gundermann, Mladen Zec, Jochen Bauer, Andreas Wall, Klaus Weiske, Armin Suttner-Reimann
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Patent number: 10931161Abstract: A centrifugal pump motor comprising a permanent magnet rotor, a wound stator that is separated from the permanent magnet rotor by means of a containment shell, a circuit board having a large electronic component electrically connected to it, and a motor housing with a plug connection. The centrifugal pump motor provides a robust design for a generic centrifugal pump motor, so as to prevent damage during installation and operation, as well as additionally ensuring a space-saving and compact arrangement of the electronic components, in order to enable optimal heat dissipation of the electronic components. Furthermore, a simple way of manufacturing is provided.Type: GrantFiled: April 10, 2017Date of Patent: February 23, 2021Assignee: BÜHLER MOTOR GMBHInventors: Jürgen Ehrsam, Klaus Weiske, Harald Rausch, Florian Stückl, Jens Weiss
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Patent number: 10907644Abstract: A pump impeller consisting of at least three different material regions, wherein an impeller wheel with a hollow shaft defines a first material region, a bearing component defines a second material region, and a permanent magnet defines a third material region. The invention furthermore relates to a method for producing the pump impeller, and to a centrifugal pump with the pump impeller. The object of the invention is to provide a robust construction, optimal venting, secure attachment of the bearing component, economic production, and a possibility of axial length tolerance compensation given a pump impeller with plastic-bonded permanent magnets. Furthermore, an optimally accurate unbalance-reduced connection between the bearing component and the magnet material should be producible.Type: GrantFiled: February 5, 2019Date of Patent: February 2, 2021Assignee: BÜHLER MOTOR GMBHInventors: Sebastian Krippner, Andrea Bindig, Harald Rausch, Jürgen Ehrsam, Klaus Weiske
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Publication number: 20190242394Abstract: A pump impeller consisting of at least three different material regions, wherein an impeller wheel with a hollow shaft defines a first material region, a bearing component defines a second material region, and a permanent magnet defines a third material region. The invention furthermore relates to a method for producing the pump impeller, and to a centrifugal pump with the pump impeller. The object of the invention is to provide a robust construction, optimal venting, secure attachment of the bearing component, economic production, and a possibility of axial length tolerance compensation given a pump impeller with plastic-bonded permanent magnets. Furthermore, an optimally accurate unbalance-reduced connection between the bearing component and the magnet material should be producible.Type: ApplicationFiled: February 5, 2019Publication date: August 8, 2019Applicant: Bühler Motor GmbHInventors: Sebastian Krippner, Andrea Bindig, Harald Rausch, Jürgen Ehrsam, Klaus Weiske
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Publication number: 20190214864Abstract: A permanent magnet rotor of an electric motor, includes a laminated core having magnet pockets, the laminated core being composed of two partial laminated cores. A plurality of permanent magnets are held in a force-fitting manner in magnet pockets of the laminated core, the magnets extending over both partial laminated cores. Sheet metal tongues, which maintain the force fit of the permanent magnets, are deflected in the first partial laminated core in a first axial direction and in the second partial laminated core in a second axial direction opposite to the first direction, wherein the partial laminated cores consist of stamped metal sheets and the permanent magnets are pressed into the magnet pockets in the stamping direction.Type: ApplicationFiled: January 9, 2019Publication date: July 11, 2019Applicant: Bühler Motor GmbHInventors: Heinz Günther, Martin Gundermann, Mladen Zec, Jochen Bauer, Andreas Wall, Klaus Weiske, Armin Suttner-Reimann
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Patent number: 10323642Abstract: A pump motor having a permanent magnet rotor, a containment shell, a wound stator, a motor housing, a pump head, a shaft, which is secured in the containment shell on the one hand and in the pump head on the other hand, and a fixed bearing, which is pressed or injected into the permanent magnet rotor and rotatably mounts it on the shaft. The pump motor provides a reliable and economically producible bearing of the permanent magnet rotor on the shaft in a generic pump motor, in which the bearing abutting uniformly against the shaft over the entire bearing length and during a complete rotation can be achieved, small angle errors can be compensated, and noises can be reduced.Type: GrantFiled: April 10, 2017Date of Patent: June 18, 2019Assignee: BÜHLER MOTOR GMBHInventor: Klaus Weiske
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Publication number: 20190178363Abstract: A gearbox for a planetary gear having a hollow-cylindrical housing body having a first internal gear, and a bearing flange engaging at least in sections coaxially in the housing body, so that an overlap area is formed, wherein the housing body and the bearing flange are firmly bonded to each other in the overlap area by laser irradiation welding. The bearing flange has a second internal gear in the overlap area. The gearbox relates to a planetary gear and a motor/transmission combination having such a gearbox and a production method thereof.Type: ApplicationFiled: December 6, 2018Publication date: June 13, 2019Applicant: Bühler Motor GmbHInventors: Michael Antes, Bernd Reinecker, Olaf Richter, Klaus Weiske, Reiner Hettych
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Patent number: 10267313Abstract: A centrifugal pump impeller in an electromotive centrifugal pump, the impeller including a base body having a bearing to which is attached, on a first end, a permanent-magnetic rotor and, on a second end, a cover disk that is mounted on the base body; and a plurality of pump blades made of first and second parts, the first part being a base blade segment attached to the base body thus forming a first unitary piece and a cover disk blade segment attached to the cover disk thus forming a second unitary piece.Type: GrantFiled: January 26, 2015Date of Patent: April 23, 2019Assignee: BÜHLER MOTOR GMBHInventors: Georg Bernreuther, Olai Ihle, Klaus Weiske
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Publication number: 20170298946Abstract: A pump motor having a permanent magnet rotor, a containment shell, a wound stator, a motor housing, a pump head, a shaft, which is secured in the containment shell on the one hand and in the pump head on the other hand, and a fixed bearing, which is pressed or injected into the permanent magnet rotor and rotatably mounts it on the shaft. The pump motor provides a reliable and economically producible bearing of the permanent magnet rotor on the shaft in a generic pump motor, in which the bearing abutting uniformly against the shaft over the entire bearing length and during a complete rotation can be achieved, small angle errors can be compensated, and noises can be reduced.Type: ApplicationFiled: April 10, 2017Publication date: October 19, 2017Applicant: Bühler Motor GmbHInventor: Klaus Weiske
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Publication number: 20170302126Abstract: A centrifugal pump motor comprising a permanent magnet rotor, a wound stator that is separated from the permanent magnet rotor by means of a containment shell, a circuit board having a large electronic component electrically connected to it, and a motor housing with a plug connection. The centrifugal pump motor provides a robust design for a generic centrifugal pump motor, so as to prevent damage during installation and operation, as well as additionally ensuring a space-saving and compact arrangement of the electronic components, in order to enable optimal heat dissipation of the electronic components. Furthermore, a simple way of manufacturing is provided.Type: ApplicationFiled: April 10, 2017Publication date: October 19, 2017Applicant: Bühler Motor GmbHInventors: Jürgen Ehrsam, Klaus Weiske, Harald Rausch, Florian Stückl, Jens Weiss
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Patent number: 9780607Abstract: A stator core for an electronically commutated DC motor with an internal rotor having a plurality of radially inwardly directed pole cores which at their periphery are integral with back iron segments and the back iron segments are integral with adjacent back iron segments via webs, wherein the back iron segments alternate with the webs and jointly form a seamless closed one-piece ring. A method of ensuring that in the case of a stator core of this class, upon a reduction of the stator diameter and reduction of the pole distances after winding, a clearly defined end position of the adjoining regions can be assumed, and that for this process, only minimal forces are necessary, in which damage to the stator core is not to be expected, and that at the end of the process only a very small and uniform air gap remains at a lowest possible spring-back.Type: GrantFiled: February 11, 2016Date of Patent: October 3, 2017Assignee: BÜHLER MOTOR GMBHInventor: Klaus Weiske
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Publication number: 20160218604Abstract: A claw-pole motor for driving a centrifugal pump includes stator laminations in the form of annular discs with claw poles adjoining said stator laminations, which claw poles are arranged opposite permanent-magnet poles of a rotor, a ring-shaped winding and an insulating body, which is arranged between the stator laminations and the winding, and a magnetic return path ring, which is arranged radially around the winding and the stator laminations and bears fixedly against the stator laminations.Type: ApplicationFiled: April 1, 2016Publication date: July 28, 2016Applicant: Büehler Motor GmbHInventors: Olai Ihle, Klaus Weiske
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Publication number: 20160164351Abstract: A stator core for an electronically commutated DC motor with an internal rotor having a plurality of radially inwardly directed pole cores which at their periphery are integral with back iron segments and the back iron segments are integral with adjacent back iron segments via webs, wherein the back iron segments alternate with the webs and jointly form a seamless closed one-piece ring. A method of ensuring that in the case of a stator core of this class, upon a reduction of the stator diameter and reduction of the pole distances after winding, a clearly defined end position of the adjoining regions can be assumed, and that for this process, only minimal forces are necessary, in which damage to the stator core is not to be expected, and that at the end of the process only a very small and uniform air gap remains at a lowest possible spring-back.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Applicant: Bühler Motor GmbHInventor: Klaus Weiske
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Publication number: 20150211523Abstract: A centrifugal pump impeller in an electromotive centrifugal pump, the impeller including a base body having a bearing to which is attached, on a first end, a permanent-magnetic rotor and, on a second end, a cover disk that is mounted on the base body; and a plurality of pump blades made of first and second parts, the first part being a base blade segment attached to the base body thus forming a first unitary piece and a cover disk blade segment attached to the cover disk thus forming a second unitary piece.Type: ApplicationFiled: January 26, 2015Publication date: July 30, 2015Applicant: BÜHLER MOTOR GMBHInventors: Georg Bernreuther, Olai Ihle, Klaus Weiske
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Patent number: 8920143Abstract: An electronically commutated DC motor for a liquid pump, comprising a pump housing, a suction connection and a pressure connection, a substantially disk-shaped pump rotor mounted rotatably in the pump housing, the rotor comprising an impeller having a plurality of pump vanes and a permanent magnet, a partition separating a pump space from a dry space, wherein the partition is disposed in an axial gap between the pump rotor and a plurality of axially parallel oriented stator poles of the DC motor, which are each provided with an insulating body and a stator winding, the stator poles adjoin a stator yoke, which is connected to a metallic heat-conducting body, and the stator containing the stator poles, the stator windings, the stator yoke and the heat-conducting body is disposed in a motor housing made of plastic material.Type: GrantFiled: August 16, 2011Date of Patent: December 30, 2014Assignee: Buhler Motor GmbHInventors: Thomas Stolpe, Helmut Kellermann, Olai Ihle, Gerhard Walter, Klaus Weiske
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Publication number: 20130320802Abstract: A claw-pole motor for driving a centrifugal pump; consisting of stator laminations in the form of annular discs with claw poles adjoining said stator laminations, which claw poles are arranged opposite permanent-magnet poles of a rotor, a ring-shaped winding and an insulating body, which is arranged between the stator laminations and the winding, and a magnetic return path ring, which is arranged radially around the winding and the stator laminations and bears fixedly against the stator laminations.Type: ApplicationFiled: January 27, 2012Publication date: December 5, 2013Applicant: BÜHLER MOTOR GMBHInventors: Olai Ihle, Klaus Weiske
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Patent number: 8203242Abstract: An electrically commutated DC motor (1) for a liquid pump (2) with a pump housing (3) with a suction connector (4) and a pressure connector (5) for connection to a hydraulic circuit, an essentially disk-like pump rotor (6) mounted to rotate in the pump housing, consisting of an impeller (7) with several pump vanes and a permanent magnet (8), a partition (11) separating a pump space (9) from a dry space (10), the partition being arranged in an axial gap (12) between the pump rotor (6) and several axially aligned stator poles (14), each provided with an insulation element (15) and stator windings (16). The task of the present invention is to configure a DC motor, so that it can be installed simply and reliably, is designed particularly robust and therefore has very high lifetime.Type: GrantFiled: December 15, 2009Date of Patent: June 19, 2012Assignee: Bühler Motor GmbHInventors: Olai Ihle, Georg Bernreuther, Klaus Weiske
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Patent number: 8174157Abstract: An electrically commutated DC motor (1) for a liquid pump (2) with a pump housing (3) with a suction connector (4) and a pressure connector (5) for connection to a hydraulic circuit, an essentially disk-like pump rotor (6) mounted to rotate in the pump housing, consisting of an impeller (7) with several pump vanes and a permanent magnet (8), a partition (11) separating a pump space (9) from a dry space (10), in which the partition is arranged in an axial gap (12) between the pump rotor (6) and several axially aligned wound stator poles (14) of the DC motor. The present invention configures a DC motor, so that it can be installed simply and reliably, is designed particularly robust and therefore has a very long operating lifetime.Type: GrantFiled: December 15, 2009Date of Patent: May 8, 2012Assignee: Bühler Motor GmbHInventors: Olai Ihle, Georg Bernreuther, Klaus Weiske
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Publication number: 20120045351Abstract: An electronically commutated DC motor for a liquid pump, comprising a pump housing, a suction connection and a pressure connection, a substantially disk-shaped pump rotor mounted rotatably in the pump housing, the rotor comprising an impeller having a plurality of pump vanes and a permanent magnet, a partition separating a pump space from a dry space, wherein the partition is disposed in an axial gap between the pump rotor and a plurality of axially parallel oriented stator poles of the DC motor, which are each provided with an insulating body and a stator winding, the stator poles adjoin a stator yoke, which is connected to a metallic heat-conducting body, and the stator containing the stator poles, the stator windings, the stator yoke and the heat-conducting body is disposed in a motor housing made of plastic material.Type: ApplicationFiled: August 16, 2011Publication date: February 23, 2012Inventors: Thomas Stolpe, Helmut Kellermann, Olai Ihle, Gerhard Walter, Klaus Weiske