GB853085A - Electromagnetic rotary step-by-step drive - Google Patents

Electromagnetic rotary step-by-step drive

Info

Publication number
GB853085A
GB853085A GB39009/58A GB3900958A GB853085A GB 853085 A GB853085 A GB 853085A GB 39009/58 A GB39009/58 A GB 39009/58A GB 3900958 A GB3900958 A GB 3900958A GB 853085 A GB853085 A GB 853085A
Authority
GB
United Kingdom
Prior art keywords
rotor
magnetic
coil
stators
poles
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.)
Expired
Application number
GB39009/58A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB853085A publication Critical patent/GB853085A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/20—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with rotating flux distributors, the armatures and magnets both being stationary
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/125—Magnet axially facing armature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)

Abstract

853,085. Electric motors. LANDIS & GYR A.G. Dec. 3, 1958 [Dec. 10, 1957], No. 39009/58. Class 35. An electromagnetic rotary step-by-step drive includes two annular permanent magnet stators 13, 15 each having induced poles of alternating polarity over its entire face, the poles being separated by lines 16 which are tangential to a circle 17 concentric with a spindle 4 through their centres, the poles on one magnet being angularly displaced to a small extent relative to those on the other. Rotating coaxially with and between the permanent magnets is a soft iron rotor 1 having radially extending trapezoidal teeth 2. The rotor is attached to magnetic bush 3 on spindle 4 mounted in non- magnetic bearings 5 and 6. Bearing 5 in support 7 and bearing 6 in magnetic sleeve 9 connected to magnetic annular part 14 are mounted respectively in magnetic housing parts 8, 10. When coil 12 is energized the magnetized rotor moves so that its trapezoidal teeth coincide angularly with parts on stator 13 of opposite polarity and when the coil is de-energized the rotor moves a little further. It moves another step in the same direction when coil 12 is reversely impulsed. In one modification permanent magnet 15 is omitted. In a second modification the two stators have axially projecting teeth and the rotor is the permanent magnet. Such stators and rotor may be arranged inside the cylindrical energizing coil 12.
GB39009/58A 1957-12-10 1958-12-03 Electromagnetic rotary step-by-step drive Expired GB853085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH853085X 1957-12-10

Publications (1)

Publication Number Publication Date
GB853085A true GB853085A (en) 1960-11-02

Family

ID=4542448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39009/58A Expired GB853085A (en) 1957-12-10 1958-12-03 Electromagnetic rotary step-by-step drive

Country Status (4)

Country Link
DE (1) DE1121191B (en)
FR (1) FR1208856A (en)
GB (1) GB853085A (en)
SE (1) SE355219B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225442A1 (en) * 1972-05-25 1973-12-06 Papst Motoren Kg COLLECTORLESS DC MOTOR
WO1982000929A1 (en) * 1980-08-29 1982-03-18 Sa Elessach Stepping motor,particularly for electronic watch
GB2193849A (en) * 1986-07-22 1988-02-17 Nippon Telegraph & Telephone Permenant magnet motor having detent torque generating means

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE206099C (en) *
DE673170C (en) * 1934-02-09 1939-03-16 Siemens & Halske Akt Ges Polarized slave clockwork
GB604840A (en) * 1945-12-05 1948-07-12 Gent And Co Ltd Improvements relating to intermittently operating magneto-electric motors
DE868022C (en) * 1948-10-02 1953-02-23 Johann Michel Magnetic gear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225442A1 (en) * 1972-05-25 1973-12-06 Papst Motoren Kg COLLECTORLESS DC MOTOR
WO1982000929A1 (en) * 1980-08-29 1982-03-18 Sa Elessach Stepping motor,particularly for electronic watch
GB2193849A (en) * 1986-07-22 1988-02-17 Nippon Telegraph & Telephone Permenant magnet motor having detent torque generating means
GB2193849B (en) * 1986-07-22 1990-09-05 Nippon Telegraph & Telephone Stepping motor, method of driving the same and drive circuit therefor

Also Published As

Publication number Publication date
DE1121191B (en) 1962-01-04
SE355219B (en) 1973-04-09
FR1208856A (en) 1960-02-26

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