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WO2013014071A3 - Electric motor having a rotor position magnet - Google Patents

Electric motor having a rotor position magnet Download PDF

Info

Publication number
WO2013014071A3
WO2013014071A3 PCT/EP2012/064257 EP2012064257W WO2013014071A3 WO 2013014071 A3 WO2013014071 A3 WO 2013014071A3 EP 2012064257 W EP2012064257 W EP 2012064257W WO 2013014071 A3 WO2013014071 A3 WO 2013014071A3
Authority
WO
WIPO (PCT)
Prior art keywords
electric motor
rotor position
rotor
position magnet
cutout
Prior art date
Application number
PCT/EP2012/064257
Other languages
German (de)
French (fr)
Other versions
WO2013014071A2 (en
Inventor
Antoine Chabaud
Eberhard Lung
Torsten Henke
Jochen Geissler
Bruno Holzwarth
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013014071A2 publication Critical patent/WO2013014071A2/en
Publication of WO2013014071A3 publication Critical patent/WO2013014071A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The invention relates to an electric motor, in particular an electronically commutated electric motor. The electric motor has a rotor which is formed, in particular, with permanent magnets. The electric motor also has a rotor position sensor which is designed to detect a rotor position of the rotor as a function of a permanent magnet which is connected to the rotor in a rotationally fixed manner and to generate a rotor position signal which represents said rotor position. A motor shaft of the electric motor of the kind cited in the introductory part has a cutout. The permanent magnet is at least partially arranged in the cutout.
PCT/EP2012/064257 2011-07-22 2012-07-20 Electric motor having a rotor position magnet WO2013014071A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011079657.6 2011-07-22
DE102011079657A DE102011079657A1 (en) 2011-07-22 2011-07-22 Electric motor with a rotor position magnet

Publications (2)

Publication Number Publication Date
WO2013014071A2 WO2013014071A2 (en) 2013-01-31
WO2013014071A3 true WO2013014071A3 (en) 2013-04-25

Family

ID=46545800

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/064257 WO2013014071A2 (en) 2011-07-22 2012-07-20 Electric motor having a rotor position magnet

Country Status (2)

Country Link
DE (1) DE102011079657A1 (en)
WO (1) WO2013014071A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014103460U1 (en) * 2014-07-28 2015-10-29 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Device for detecting the position of the rotor of an electric motor
DE102014218060A1 (en) * 2014-09-10 2016-03-10 Robert Bosch Gmbh Electric machine with an anchor
DE102014223513A1 (en) * 2014-11-18 2016-06-02 Bühler Motor GmbH donor funds
DE102015201411A1 (en) * 2015-01-28 2016-07-28 Robert Bosch Gmbh Motor-pump unit for a brake system
DE102015206103A1 (en) * 2015-04-02 2016-10-20 Bühler Motor GmbH MPU
DE102015206108A1 (en) * 2015-04-02 2016-10-20 Bühler Motor GmbH Magnetic donor funds
JP6801170B2 (en) * 2015-09-10 2020-12-16 日立金属株式会社 Manufacturing method of rotation angle detection magnet, rotation angle detection device and rotation angle detection magnet
DE102016216088A1 (en) 2016-08-26 2018-03-01 Continental Automotive Gmbh Electric machine
DE102017005420B4 (en) * 2017-06-09 2022-04-21 Thomas Magnete Gmbh Determination of the rotor position of an electric motor
US11264859B2 (en) 2017-07-14 2022-03-01 Mitsubishi Electric Corporation Rotary electric machine
DE102018112946A1 (en) * 2018-05-30 2019-12-05 Thyssenkrupp Ag Sensor device for detecting the rotational position of a rotating shaft with a molded encoder magnet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059181A1 (en) * 2004-12-08 2006-06-29 Siemens Ag Generalized rotary electrical machine, has end-of-shaft encoder with speed sensor mounted on circuit board located in end plate of machine
DE102006032780A1 (en) * 2006-07-14 2008-01-17 Siemens Ag Electric motor drive for vehicle, has speed sensor that is arranged at side of rotor, and magnetoresistive sensor that is arranged at side of stator, where speed sensor is connected with rotor shaft as single-piece
DE112006000444T5 (en) * 2005-02-22 2008-02-21 Ntn Corp. Bearing with rotation detection device
US20080197728A1 (en) * 2005-06-15 2008-08-21 Sonceboz Sa Rotary Single-Phase Electromagnetic Servo Actuator Comprising an Actuator and a Position Sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3043529B2 (en) * 1992-10-08 2000-05-22 愛三工業株式会社 Rotation angle sensor
JP2007089312A (en) * 2005-09-22 2007-04-05 Ntn Corp Angle detector for motor rotating shafts
JP5401902B2 (en) * 2008-10-03 2014-01-29 日本電産株式会社 motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059181A1 (en) * 2004-12-08 2006-06-29 Siemens Ag Generalized rotary electrical machine, has end-of-shaft encoder with speed sensor mounted on circuit board located in end plate of machine
DE112006000444T5 (en) * 2005-02-22 2008-02-21 Ntn Corp. Bearing with rotation detection device
US20080197728A1 (en) * 2005-06-15 2008-08-21 Sonceboz Sa Rotary Single-Phase Electromagnetic Servo Actuator Comprising an Actuator and a Position Sensor
DE102006032780A1 (en) * 2006-07-14 2008-01-17 Siemens Ag Electric motor drive for vehicle, has speed sensor that is arranged at side of rotor, and magnetoresistive sensor that is arranged at side of stator, where speed sensor is connected with rotor shaft as single-piece

Also Published As

Publication number Publication date
WO2013014071A2 (en) 2013-01-31
DE102011079657A1 (en) 2013-01-24

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