AT312109B - Speed control arrangement for electric commutator motors in sewing machines - Google Patents

Speed control arrangement for electric commutator motors in sewing machines

Info

Publication number
AT312109B
AT312109B AT11472A AT11472A AT312109B AT 312109 B AT312109 B AT 312109B AT 11472 A AT11472 A AT 11472A AT 11472 A AT11472 A AT 11472A AT 312109 B AT312109 B AT 312109B
Authority
AT
Austria
Prior art keywords
speed control
control arrangement
sewing machines
commutator motors
electric commutator
Prior art date
Application number
AT11472A
Other languages
German (de)
Original Assignee
Necchi Spa
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 Necchi Spa filed Critical Necchi Spa
Application granted granted Critical
Publication of AT312109B publication Critical patent/AT312109B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
AT11472A 1971-01-11 1972-01-07 Speed control arrangement for electric commutator motors in sewing machines AT312109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4290171 1971-01-11

Publications (1)

Publication Number Publication Date
AT312109B true AT312109B (en) 1973-12-27

Family

ID=11254479

Family Applications (1)

Application Number Title Priority Date Filing Date
AT11472A AT312109B (en) 1971-01-11 1972-01-07 Speed control arrangement for electric commutator motors in sewing machines

Country Status (8)

Country Link
AT (1) AT312109B (en)
BE (1) BE777172A (en)
CH (1) CH545036A (en)
DE (1) DE2200999A1 (en)
ES (1) ES396116A1 (en)
FR (1) FR2119421A5 (en)
GB (1) GB1354157A (en)
SE (1) SE370298B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT345969B (en) * 1973-10-03 1978-10-10 Kaltenbach & Voigt DENTAL HANDPIECE

Also Published As

Publication number Publication date
GB1354157A (en) 1974-06-05
DE2200999A1 (en) 1972-07-20
BE777172A (en) 1972-04-17
SE370298B (en) 1974-10-07
ES396116A1 (en) 1974-04-16
FR2119421A5 (en) 1972-08-04
CH545036A (en) 1973-11-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee