FR2245112A1 - Small motor with slot frequency noise reduction - is by uneven gaps between curved stator magnets and wound rotor and housing - Google Patents

Small motor with slot frequency noise reduction - is by uneven gaps between curved stator magnets and wound rotor and housing

Info

Publication number
FR2245112A1
FR2245112A1 FR7432042A FR7432042A FR2245112A1 FR 2245112 A1 FR2245112 A1 FR 2245112A1 FR 7432042 A FR7432042 A FR 7432042A FR 7432042 A FR7432042 A FR 7432042A FR 2245112 A1 FR2245112 A1 FR 2245112A1
Authority
FR
France
Prior art keywords
magnets
housing
stator
rotor
noise reduction
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7432042A
Other languages
English (en)
French (fr)
Other versions
FR2245112B1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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 FR2245112A1 publication Critical patent/FR2245112A1/fr
Application granted granted Critical
Publication of FR2245112B1 publication Critical patent/FR2245112B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H02K23/04—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
FR7432042A 1973-09-22 1974-09-23 Small motor with slot frequency noise reduction - is by uneven gaps between curved stator magnets and wound rotor and housing Granted FR2245112A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732347856 DE2347856A1 (de) 1973-09-22 1973-09-22 Elektrische maschine, insbesondere kleinmotor

Publications (2)

Publication Number Publication Date
FR2245112A1 true FR2245112A1 (en) 1975-04-18
FR2245112B1 FR2245112B1 (de) 1979-03-23

Family

ID=5893404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7432042A Granted FR2245112A1 (en) 1973-09-22 1974-09-23 Small motor with slot frequency noise reduction - is by uneven gaps between curved stator magnets and wound rotor and housing

Country Status (3)

Country Link
DE (1) DE2347856A1 (de)
FR (1) FR2245112A1 (de)
IT (1) IT1021498B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415906A2 (fr) * 1978-01-30 1979-08-24 Recupelec Moteur a courant continu a fort couple et tres bon rendement
FR2439492A1 (fr) * 1978-10-18 1980-05-16 Bosch Gmbh Robert Machine electrique, en particulier petit moteur
EP0096868A1 (de) * 1982-06-11 1983-12-28 Hitachi, Ltd. Motor der permanentmagnetischen Bauart
EP0742635A1 (de) * 1995-05-11 1996-11-13 Valeo Systemes D'essuyage Permanentmagnetelektromotor, insbesondere für Kraftfahrzeuge

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091300A (en) * 1975-08-30 1978-05-23 Lucas Industries Limited Permanent magnet electrical machines
JPH0448140Y2 (de) * 1986-01-09 1992-11-12
DE19832157B4 (de) * 1998-07-17 2008-08-21 Nidec Motors & Actuators (Germany) Gmbh Elektrische Maschine
DE19845370A1 (de) * 1998-10-02 2000-04-06 Bosch Gmbh Robert Dauermagneterregter Kleinmotor
JP2007006688A (ja) 2005-05-27 2007-01-11 Minebea-Matsushita Motor Corp 小型ｄｃモータ
DE102008039194A1 (de) * 2008-08-22 2010-02-25 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415906A2 (fr) * 1978-01-30 1979-08-24 Recupelec Moteur a courant continu a fort couple et tres bon rendement
FR2439492A1 (fr) * 1978-10-18 1980-05-16 Bosch Gmbh Robert Machine electrique, en particulier petit moteur
EP0096868A1 (de) * 1982-06-11 1983-12-28 Hitachi, Ltd. Motor der permanentmagnetischen Bauart
EP0742635A1 (de) * 1995-05-11 1996-11-13 Valeo Systemes D'essuyage Permanentmagnetelektromotor, insbesondere für Kraftfahrzeuge
FR2734101A1 (fr) * 1995-05-11 1996-11-15 Valeo Systemes Dessuyage Moteur electrique a aimants permanents, notamment pour vehicule automobile

Also Published As

Publication number Publication date
DE2347856A1 (de) 1975-04-03
FR2245112B1 (de) 1979-03-23
IT1021498B (it) 1978-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse