CH429891A - Circuit arrangement for a multi-phase lifting motor of a lifting device - Google Patents

Circuit arrangement for a multi-phase lifting motor of a lifting device

Info

Publication number
CH429891A
CH429891A CH883864A CH883864A CH429891A CH 429891 A CH429891 A CH 429891A CH 883864 A CH883864 A CH 883864A CH 883864 A CH883864 A CH 883864A CH 429891 A CH429891 A CH 429891A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
phase
lifting
lifting device
lifting motor
Prior art date
Application number
CH883864A
Other languages
German (de)
Inventor
Jensen Otto
Original Assignee
Ite Circuit Breaker Ltd
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 Ite Circuit Breaker Ltd filed Critical Ite Circuit Breaker Ltd
Publication of CH429891A publication Critical patent/CH429891A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load
    • B66C13/26—Circuits for controlling the lowering of the load by ac motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/081—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists with ac motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Eletrric Generators (AREA)
CH883864A 1963-07-05 1964-07-06 Circuit arrangement for a multi-phase lifting motor of a lifting device CH429891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US292908A US3281633A (en) 1963-07-05 1963-07-05 Lowering speed control for a.-g. hoist

Publications (1)

Publication Number Publication Date
CH429891A true CH429891A (en) 1967-02-15

Family

ID=23126762

Family Applications (1)

Application Number Title Priority Date Filing Date
CH883864A CH429891A (en) 1963-07-05 1964-07-06 Circuit arrangement for a multi-phase lifting motor of a lifting device

Country Status (4)

Country Link
US (1) US3281633A (en)
CH (1) CH429891A (en)
DE (1) DE1300655B (en)
GB (1) GB1013953A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531703A (en) * 1968-03-04 1970-09-29 Sherwood Medical Ind Inc Ac motor speed control system
US4145645A (en) * 1976-10-13 1979-03-20 Harnischfeger Corporation Speed control means for squirrel-cage motor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE727335C (en) * 1940-03-22 1942-10-31 Aeg Arrangement for braking and speed control of asynchronous motors by means of direct current excitation
GB596157A (en) * 1944-07-22 1947-12-30 Igranic Electric Co Ltd Improvements in or relating to braking systems for induction motors
US2919391A (en) * 1954-09-23 1959-12-29 Wilson A Charbonneaux Speed controls for electric motors

Also Published As

Publication number Publication date
GB1013953A (en) 1965-12-22
DE1300655B (en) 1969-08-07
US3281633A (en) 1966-10-25

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