JPS5683257A - Commutatorless universal motor - Google Patents

Commutatorless universal motor

Info

Publication number
JPS5683257A
JPS5683257A JP16051879A JP16051879A JPS5683257A JP S5683257 A JPS5683257 A JP S5683257A JP 16051879 A JP16051879 A JP 16051879A JP 16051879 A JP16051879 A JP 16051879A JP S5683257 A JPS5683257 A JP S5683257A
Authority
JP
Japan
Prior art keywords
polarity
yoke
rotor
field
circuit
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.)
Pending
Application number
JP16051879A
Other languages
Japanese (ja)
Inventor
Hirokazu Fuse
Noboru Yamaguchi
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.)
Toshiba Electric Appliances Co Ltd
Toshiba Denki Kigu KK
Original Assignee
Toshiba Electric Appliances Co Ltd
Toshiba Denki Kigu KK
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 Toshiba Electric Appliances Co Ltd, Toshiba Denki Kigu KK filed Critical Toshiba Electric Appliances Co Ltd
Priority to JP16051879A priority Critical patent/JPS5683257A/en
Publication of JPS5683257A publication Critical patent/JPS5683257A/en
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushless Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:To obtain a universal motor for which step-down and pressure resisting means are not particularly required by controlling current flowing to each element of armature coils according to magnetizing polarity and rotary position of a rotor yoke magnetized by a field coil. CONSTITUTION:Upon closing an AC power E, a field coil 8 of a motor M is excited in AC, and rotor yokes 6a, 6b are magnetized synchronously with an AC field generated on a field yoke 7. Then, since a magnetizing polarity of the field yoke 7 and the rotor yoke 6a changes in phase, a polarity of the rotor yoke 6a, for example, is detected on a magnetizing polarity detecting element 16, and its output signal is sent to a polarity decision circuit 22. Further, those of position detecting elements 15a-15c which correspond accordingly are turned on by a polarity of poles of the rotor yokes 6a, 6b, a high-level signal from the polarity decision circuit 22 and a position signal forming circuit 21 turns on suitable one of transistors 24a-25c through a selector circuit 23, and a current is carried to armature coils 10a-10c through a full-wave rectification circuit 26.
JP16051879A 1979-12-11 1979-12-11 Commutatorless universal motor Pending JPS5683257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16051879A JPS5683257A (en) 1979-12-11 1979-12-11 Commutatorless universal motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16051879A JPS5683257A (en) 1979-12-11 1979-12-11 Commutatorless universal motor

Publications (1)

Publication Number Publication Date
JPS5683257A true JPS5683257A (en) 1981-07-07

Family

ID=15716683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16051879A Pending JPS5683257A (en) 1979-12-11 1979-12-11 Commutatorless universal motor

Country Status (1)

Country Link
JP (1) JPS5683257A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6853111B2 (en) 1997-10-22 2005-02-08 Denso Corporation Electric-machine-rotor having field coil and auxiliary permanent magnets amd method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6853111B2 (en) 1997-10-22 2005-02-08 Denso Corporation Electric-machine-rotor having field coil and auxiliary permanent magnets amd method of manufacturing the same

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