ATE102767T1 - MULTI-POLE STEPPER MOTOR. - Google Patents

MULTI-POLE STEPPER MOTOR.

Info

Publication number
ATE102767T1
ATE102767T1 AT89810617T AT89810617T ATE102767T1 AT E102767 T1 ATE102767 T1 AT E102767T1 AT 89810617 T AT89810617 T AT 89810617T AT 89810617 T AT89810617 T AT 89810617T AT E102767 T1 ATE102767 T1 AT E102767T1
Authority
AT
Austria
Prior art keywords
pole
basic
pieces
axle
rotor
Prior art date
Application number
AT89810617T
Other languages
German (de)
Inventor
Mai Xuan Tu
Michel Schwab
Original Assignee
Scholer 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
Priority claimed from CH3162/88A external-priority patent/CH673199B5/fr
Application filed by Scholer Ag filed Critical Scholer Ag
Application granted granted Critical
Publication of ATE102767T1 publication Critical patent/ATE102767T1/en

Links

Abstract

The invention relates to the multipolar step-by-step engines having a great amount of pole pairs.The purpose of the invention consists in the precision and reliability increasing. The multipolar step-by-step engine containing a rotor with constant alternating polarity magnets forming N pole pairs, distributed around the central axle and magnetized in parallel to this axle, the stator magnetic circuit with a winding disposed on the core and turo basic pole pieces lieing apposite each other in the same plane perpendicular to the rotor central axle, each of these pieces is connected to the core end and have a concave edge with pole teeth distributed arouns the said axle, and the rotor is extended in the plane parallel to the basic pole pieces plane, is is characterized by the fact that it is provided with interval tooth pole piece disposed between the basic pole pieces, the teeth of the intermediar pole piece are placed between the basic pole pieces teeth with the winded air gap formation.
AT89810617T 1988-08-25 1989-08-18 MULTI-POLE STEPPER MOTOR. ATE102767T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3162/88A CH673199B5 (en) 1988-08-25 1988-08-25
EP89810617A EP0356396B1 (en) 1988-08-25 1989-08-18 Multipolar step motor

Publications (1)

Publication Number Publication Date
ATE102767T1 true ATE102767T1 (en) 1994-03-15

Family

ID=4249961

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89810617T ATE102767T1 (en) 1988-08-25 1989-08-18 MULTI-POLE STEPPER MOTOR.

Country Status (5)

Country Link
CN (1) CN1023172C (en)
AT (1) ATE102767T1 (en)
HK (1) HK1002615A1 (en)
MD (1) MD397C2 (en)
UA (1) UA8332A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599707A5 (en) * 1976-09-03 1978-05-31 Portescap

Also Published As

Publication number Publication date
HK1002615A1 (en) 1998-09-04
CN1040715A (en) 1990-03-21
MD397C2 (en) 1996-06-30
UA8332A1 (en) 1996-03-29
CN1023172C (en) 1993-12-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee