Patents Assigned to Bühler Motor GmbH
  • Patent number: 10267313
    Abstract: 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: Grant
    Filed: January 26, 2015
    Date of Patent: April 23, 2019
    Assignee: BÜHLER MOTOR GMBH
    Inventors: Georg Bernreuther, Olai Ihle, Klaus Weiske
  • Publication number: 20190109516
    Abstract: A fluid pump, having a pump impeller, mounted so as to rotate around an axle, in a conveyed medium in a wet area and a conductor plate, which is arranged in a dry area sealed off from the conveyed medium, wherein radial forces of the axle are accommodated, on one side, by a separating wall between the dry area and the wet area and by a pump head on the other side. The object of the invention is to provide structural features to ensure an optimum dissipation of heat from a conductor plate and its power components to the conveyed medium without negatively impacting the hydraulic efficiency of the pump.
    Type: Application
    Filed: October 4, 2018
    Publication date: April 11, 2019
    Applicant: Bühler Motor GmbH
    Inventor: Georg Bernreuther
  • Patent number: 10256702
    Abstract: A transducer device for attachment to one end of a shaft of an electric drive, the shaft having a shaft axis. The transducer device includes at least one recess in the shaft end. Means are provided for engaging the transducer device with the at least one recess to create a form fitting connection acting in the direction of the shaft axis. Finally, a securing means is provided for preventing detachment of the form-fitting connection.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 9, 2019
    Assignee: BÜHLER MOTOR GMBH
    Inventor: Ludwig Hager
  • Publication number: 20190103773
    Abstract: An electronically commutated direct current motor made up of a cylindrically shaped non-ferrous stator winding; a cylindrically shaped, magnetically conductive back iron arranged radially outside of the stator winding; and a cylindrically shaped permanent magnet rotor arranged concentrically within the stator winding, wherein the magnetically conductive back iron has different magnetic conductivities over its circumference
    Type: Application
    Filed: September 19, 2018
    Publication date: April 4, 2019
    Applicant: Bühler Motor GmbH
    Inventors: Achim Brunner, Armin Suttner-Reimann, Mladen Zec
  • Publication number: 20190097504
    Abstract: A permanent magnet rotor (1) with a magnetically conductive magnetic core (2), which has a plurality of magnet retainers (3, 4) for radially arranged and essentially tangentially magnetized permanent magnet parts (9), and a method for the production thereof. With a common permanent magnet rotor, the object of the present invention is to ensure a simple installation for a low number of components to be installed, very good magnetizability, high strength of the mechanical connection of the permanent magnet parts in the magnet retainers, and a compact size.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 28, 2019
    Applicant: Bühler Motor GmbH
    Inventors: Mladen Zec, Armin Suttner-Reimann, Heinz Günther
  • Publication number: 20190085631
    Abstract: A venetian blind drive, with a geared motor, consisting of an electric motor and a reduction gear unit, a drive housing, a motor mount for the geared motor, a damping device arranged between the motor mount and the geared motor, and a damping mechanism for the damping means on the geared motor. A generic drive that can be produced and mounted in an easy and economical manner, has a low number of parts, and has reliable structure-borne sound insulation.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 21, 2019
    Applicant: Bühler Motor GmbH
    Inventor: Bernd Reinecker
  • Publication number: 20190055996
    Abstract: An actuator, having an electric motor, a reduction gear, a clutch, and a manual mechanical clutch release system, comprising a clutch spring, a plunger, a spring retainer plate, and a securing element, which is arranged in a groove of the plunger. The object of the invention is to ensure, for a common actuator, that there is always a reliable mechanical connection of the mechanical clutch release system, even under rough environmental conditions, wherein no additional parts are required, to the extent possible, and an economical production and assembly is possible.
    Type: Application
    Filed: October 23, 2018
    Publication date: February 21, 2019
    Applicant: Bühler Motor GmbH
    Inventor: Toni Avdusinovic
  • Patent number: 10199901
    Abstract: Pump motor, with a crankcase, a pump head, and a containment shell, whereby the pump head with the containment shell defines a wet chamber and the containment shell with the crankcase defines a dry chamber, a permanent magnet rotor is rotatably mounted in the wet chamber around an axis, a wound stator and a printed circuit board are arranged in the dry chamber and the printed circuit board is located opposite to the containment shell bottom. The pump motor economically provides for a reliable heat dissipation with an increased heat dissipation capacity, from the printed circuit board into the medium which has to be transported, in the case of a pump motor of an appropriate kind.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: February 5, 2019
    Assignee: BÜHLER MOTOR GMBH
    Inventor: Jürgen Ehrsam
  • Publication number: 20180375400
    Abstract: An electric motor for a fluid pump, in particular an oil pump, the electric motor comprising a housing in which a stator, a rotor, and a tapping plate are arranged, wherein the tapping plate comprises connecting contacts for the electrical connection to windings of the stator and connecting elements for connecting to an electronic control system and/or electronic positioning system, the tapping plate is formed or overmolded by a plastic material, and the stator is encased by an overmolding which forms a bearing seat for the rotor. The invention furthermore relates to a modular motor family for forming different, in particular differently powerful, fluid pumps comprising several brushless electric motors, wherein the individual electric motors differ from each other by different motor diameters and/or motor lengths and/or configuration variants. The invention furthermore relates to a production method for an electric motor.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 27, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Matthias Ahrens, Andreas Wall, Georg Bernreuther, Arnold Scheer, Olaf Richter
  • Publication number: 20180340533
    Abstract: A pump drive for conveying a reducing agent for motor vehicle exhaust gas systems, with an electronically commutated direct current motor, a positive displacement pump, and a freezing compensation structure. Also, a modular motor and pump family for forming different pump drives with several such electric motors and pumps. It is the aim of the invention to ensure, in the simplest and most robust manner possible, the integration of a hydraulic unit (gear pump) into an electrical unit (electric motor), a sealing of a wet region from a dry region, an integration of a freezing compensation into the wet region, and a mechanical attachment on the customer side. A modular construction of the electric motor and of the positive displacement pump, which, without a large modification cost, via simple combination of assemblies or modules, can be used for different requirements, is important for this.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 29, 2018
    Applicant: Bühler Motor GmbH
    Inventor: Karl-Heinz Böhm
  • Publication number: 20180323661
    Abstract: A stator in an electric motor and to a method for producing the stator in which a plurality of individual coils are wound on laminated stator poles and are provided with an insulation, wherein the insulation bears connection contacts for bringing the individual coils into contact with a printed circuit board, wherein the connection contacts are press-fitted into the printed circuit board. The present stator provides for a compact size and for simple and economical joining processes. In a preferred embodiment, the electric motor is a dosing pump motor for drug delivery systems.
    Type: Application
    Filed: May 3, 2018
    Publication date: November 8, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Jürgen Brettschneider, Richard Guttenberger
  • Publication number: 20180278103
    Abstract: A rotor device for an electric motor and/or generator with a rotor body and a plurality of magnets, wherein the rotor body comprises a rotor shaft seat and a plurality of magnet receptacles arranged coaxially with the rotor shaft seat. The magnets are rigidly positioned and mounted in the magnet receptacles by means of a plastic molding compound injected into the magnet receptacles, which plastic molding compound forms at least one cover element that covers the openings of the magnet receptacles at least partially. The cover element comprises at least one magnet wheel centering means and/or at least one magnet wheel alignment means.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Applicant: Bühler Motor GmbH
    Inventor: Georg Bernreuther
  • Publication number: 20180238432
    Abstract: A gear housing for an epicyclic gear set, the gear housing including a hollow wheel having internal teething and a first front end with a first front-side joining surface; a housing cover having a second front end with a second front-side joining surface for longitudinally axially covering the hollow wheel; and a bonded connection for connecting the first front end to the second front end through the mating of the first and second front-side joining surfaces, at which the hollow wheel and the housing cover are connected to each other by a bonded connection, in particular, by heated tool welding, infrared welding, ultrasonic welding, or rotary friction welding.
    Type: Application
    Filed: February 15, 2018
    Publication date: August 23, 2018
    Applicant: BÜHLER MOTOR GMBH
    Inventors: Olaf Richter, Daniel Kirchgessner, Reiner Hettych
  • Publication number: 20180180165
    Abstract: A planetary gear carrier for an epicyclic gear train with at least two bearing journals and at least two bearing holes, wherein the bearing journals are in each case combinable with a first planetary gear to form a first gear reduction ratio, and the bearing holes are in each case combinable with a second planetary gear to form a second gear reduction ratio.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 28, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Daniel Kirchgessner, Martin Gundermann, Gerhard Hofmann
  • Patent number: 9976557
    Abstract: A pump with an integral, electronically commutated, direct-current motor (2) with permanent magnetic inner rotor disposed in a wet chamber, which forms with a turbine pump wheel (22) a compact, structural pump-rotor unit (3), a claw-pole stator (9) positioned in a dry chamber (4), the claw-pole stator (9) having four claw-pole plates (6, 6?) made of a soft magnetic material, a ring-shaped winding (12) and a claw-pole stator (9) including a soft magnetic back-iron ring (13) mounted on the claw-pole plates (6, 6?) and disposed around the winding (12) and a separating can (10), which separates the dry chamber from the wet chamber (5), characterized in that the claw-pole plates (6, 6?) and additional claw-pole plates (66, 66?) are stamped and bent together, in which a plate strip for the additional claw-pole plates (66, 66?) contains a central borehole from a previous work step.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: May 22, 2018
    Assignee: BÜHLER MOTOR GMBH
    Inventors: Georg Bernreuther, Thomas Peterreins
  • Publication number: 20180118055
    Abstract: A decentralized seat control system for seats, each seat having several linearly or angularly movable seat elements. The control system includes a serial data bus; a power supply; smart devices with drives connected to the serial data bus and the power supply, each smart device having a basic function and selectably functioning as an active system master; non-smart devices; devices without a control function; a smart control device for controlling the non-smart devices and/or the devices without a control function; and a smart control unit, wherein the active system master provides control commands to the other smart devices.
    Type: Application
    Filed: December 28, 2017
    Publication date: May 3, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Stefan Schlosser, Stefan Gröllich
  • Patent number: 9948154
    Abstract: An electronically commutated DC motor has a stator wound with a multi-phase stator winding, a permanent magnet rotor mounted rotatably about a motor axis, a circuit board, a guide plate electrically connected to the winding and a housing component. In one implementation, a DC motor can easily be manufactured with the fewest possible process steps, which exhibits a short axial length and a low weight as well as good heat-dissipation properties. It is also an object of the invention to create a DC motor with integrated electronics, whose motor interior can be filled with oil, and which holds the electronics sealed against this oil. For reasons of logistics, an attempt is also made for partial components, such as the electronics, to be designed such that they are capable of complete prior assembly and testing.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: April 17, 2018
    Assignees: Buhler Motor GmbH, MELECS EWS GmbH & Co. KG, Swoboda KG
    Inventors: Ralph Böhm, Georg Bernreuther, Olaf Richter, Andreas Wall, Leopold Hellinger, Gerhard Neumann, Armin Koch, Peter Woschni
  • Publication number: 20180100503
    Abstract: A liquid pump/motor combination powered by an electric motor, preferably, an oil pump or reducing-agent pump with an electric motor, a positive displacement pump and a bearing shield arranged between the electric motor and the positive displacement pump. The liquid pump/motor combination comprises a positive displacement pump; an electric motor; and a bearing shield having a contact face, the bearing shield arranged between the electric motor and the positive displacement pump. A spherical bearing is accommodated in the bearing shield, the spherical bearing, under application of a force, being able to swivel to a limited extent. A connecting shaft is accommodated in the spherical bearing. The connecting shaft is positioned between the electric motor and the pump. An annular bearing gap, filled with liquid, is between the inside diameter of the spherical bearing and the connecting shaft. The arrangement functions as a hydrodynamic sliding bearing.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 12, 2018
    Applicant: BÜHLER MOTOR GMBH
    Inventor: Thomas Peterreins
  • Publication number: 20180045292
    Abstract: A housing for a motor-transmission unit with at least two housing sections which have in each case at least one accommodation segment for receiving a motor and an internally-toothed, internal ring gear segment for receiving a gear of a planetary gear unit, wherein the housing sections can be or are connected with each other and wherein, in the assembled state, the accommodation segments of the housing sections together form at least one accommodation compartment for holding the motor, and the internal ring gear segments of the housing sections together form an internal ring gear for mating with a gear on the planetary gear unit.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 15, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Olaf Richter, Gerhard Hofmann, Michael Antes
  • Publication number: 20180031628
    Abstract: A magnet sensor assembly for use in an electric drive having a shaft with a shaft end. The magnet sensor assembly includes a magnet sensor having a permanent magnet bonded in plastic, an adapter, means for mounting the magnet sensor on the shaft end of the shaft, means for connecting the adapter to the magnet sensor and a force-fit connection for mounting the adapter on the shaft end. The invention provides a magnet sensor assembly which allows as simple a connection as possible to be established between a magnet sensor and a shaft end of a shaft or an inner ring of a rolling element bearing secured to the shaft, for which simple manufacturing and mounting methods may be used which are reliable.
    Type: Application
    Filed: September 27, 2017
    Publication date: February 1, 2018
    Applicant: Bühler Motor GmbH
    Inventors: Matthias Ahrens, Georg Bernreuther, Olaf Richter, Andreas Wall