IT8020877A0 - ELECTRONIC DEVICE FOR ADJUSTING THE MAXIMUM SPEED OF THE MOTOR OF ELECTRIC SEWING MACHINES. - Google Patents

ELECTRONIC DEVICE FOR ADJUSTING THE MAXIMUM SPEED OF THE MOTOR OF ELECTRIC SEWING MACHINES.

Info

Publication number
IT8020877A0
IT8020877A0 IT8020877A IT2087780A IT8020877A0 IT 8020877 A0 IT8020877 A0 IT 8020877A0 IT 8020877 A IT8020877 A IT 8020877A IT 2087780 A IT2087780 A IT 2087780A IT 8020877 A0 IT8020877 A0 IT 8020877A0
Authority
IT
Italy
Prior art keywords
adjusting
motor
electronic device
maximum speed
sewing machines
Prior art date
Application number
IT8020877A
Other languages
Italian (it)
Other versions
IT1131046B (en
Inventor
Cuadrado Echeverria Fernando
Original Assignee
Coser Alfa Maquinas
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 Coser Alfa Maquinas filed Critical Coser Alfa Maquinas
Publication of IT8020877A0 publication Critical patent/IT8020877A0/en
Application granted granted Critical
Publication of IT1131046B publication Critical patent/IT1131046B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/14—Devices for changing speed or for reversing direction of rotation
    • D05B69/18—Devices for changing speed or for reversing direction of rotation electric, e.g. foot pedals
    • 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
    • H02P7/292—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 static converters, e.g. AC to DC
    • H02P7/295—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 static converters, e.g. AC to DC of the kind having one thyristor or the like in series with the power supply and the motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Power Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Electric Motors In General (AREA)
IT20877/80A 1980-02-15 1980-03-24 ELECTRONIC DEVICE FOR THE ADJUSTMENT OF THE MAXIMUM SPEED OF THE MOTOR OF ELECTRIC SEWING MACHINES IT1131046B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES488667A ES8100373A1 (en) 1980-02-15 1980-02-15 Pedal-operated electronic speed controller for sewing machine - has manual adjustment for selection of maximum motor speed

Publications (2)

Publication Number Publication Date
IT8020877A0 true IT8020877A0 (en) 1980-03-24
IT1131046B IT1131046B (en) 1986-06-18

Family

ID=8479834

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20877/80A IT1131046B (en) 1980-02-15 1980-03-24 ELECTRONIC DEVICE FOR THE ADJUSTMENT OF THE MAXIMUM SPEED OF THE MOTOR OF ELECTRIC SEWING MACHINES

Country Status (4)

Country Link
DE (1) DE3009673A1 (en)
ES (1) ES8100373A1 (en)
FR (1) FR2476156A1 (en)
IT (1) IT1131046B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1318010A (en) * 1963-05-10
CH185508A (en) * 1935-12-28 1936-07-31 G Leutert Foot switch for small motors.
US3503352A (en) * 1968-07-01 1970-03-31 Singer Co Automatic positioners for electrically driven family sewing machines
US3564376A (en) * 1968-10-24 1971-02-16 Singer Co Time delay armshaft positioning control system for sewing machine
CH606578A5 (en) * 1976-04-15 1978-11-15 Mefina Sa Non-electrical control for sewing machine speed regulator
CH606579A5 (en) * 1976-12-29 1978-11-15 Mefina Sa
JPS603821Y2 (en) * 1978-07-28 1985-02-02 蛇の目ミシン工業株式会社 Dual-purpose sewing machine speed control device
DE2840208C2 (en) * 1978-09-15 1985-08-01 Pfaff Haushaltmaschinen Gmbh, 7500 Karlsruhe Speed control device for a household sewing machine
US4164192A (en) * 1978-11-30 1979-08-14 The Singer Company Sewing machine motor speed limiting by pattern selection

Also Published As

Publication number Publication date
ES488667A0 (en) 1980-11-01
IT1131046B (en) 1986-06-18
FR2476156A1 (en) 1981-08-21
ES8100373A1 (en) 1980-11-01
DE3009673A1 (en) 1981-08-20

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