GB269245A - Improvements in and relating to electrically driven cranes - Google Patents

Improvements in and relating to electrically driven cranes

Info

Publication number
GB269245A
GB269245A GB100726A GB100726A GB269245A GB 269245 A GB269245 A GB 269245A GB 100726 A GB100726 A GB 100726A GB 100726 A GB100726 A GB 100726A GB 269245 A GB269245 A GB 269245A
Authority
GB
United Kingdom
Prior art keywords
generator
relating
motor
electrically driven
cranes
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
GB100726A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB100726A priority Critical patent/GB269245A/en
Publication of GB269245A publication Critical patent/GB269245A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

269,245. British Thomson-Houston Co., Ltd., and Trutch, C. J. H., Jan. 13, 1926. Dynamos and motors combined for transmitting power.-In crane-driving sets comprising an engine, generator, and motor, means are provided for absorbing excessive energy which would otherwise be returned from the motor to the generator during regenerative braking at high speeds of lowering. The device may be an eddy-current brake on the generator shaft, an additional coupled generator, or a resistance in the regeneration circuit, and may be brought into action by a centrifugal or electromagnetic switch.
GB100726A 1926-01-13 1926-01-13 Improvements in and relating to electrically driven cranes Expired GB269245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB100726A GB269245A (en) 1926-01-13 1926-01-13 Improvements in and relating to electrically driven cranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB100726A GB269245A (en) 1926-01-13 1926-01-13 Improvements in and relating to electrically driven cranes

Publications (1)

Publication Number Publication Date
GB269245A true GB269245A (en) 1927-04-13

Family

ID=9714513

Family Applications (1)

Application Number Title Priority Date Filing Date
GB100726A Expired GB269245A (en) 1926-01-13 1926-01-13 Improvements in and relating to electrically driven cranes

Country Status (1)

Country Link
GB (1) GB269245A (en)

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