FR686822A - Improvements relating to electrically controlled multi-speed devices, especially lifting devices - Google Patents

Improvements relating to electrically controlled multi-speed devices, especially lifting devices

Info

Publication number
FR686822A
FR686822A FR686822DA FR686822A FR 686822 A FR686822 A FR 686822A FR 686822D A FR686822D A FR 686822DA FR 686822 A FR686822 A FR 686822A
Authority
FR
France
Prior art keywords
devices
electrically controlled
improvements relating
controlled multi
speed
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
Other languages
French (fr)
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.)
COUPE HUGOT ATEL
Original Assignee
COUPE HUGOT ATEL
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 COUPE HUGOT ATEL filed Critical COUPE HUGOT ATEL
Application granted granted Critical
Publication of FR686822A publication Critical patent/FR686822A/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
    • 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)
FR686822D 1929-12-18 1929-12-18 Improvements relating to electrically controlled multi-speed devices, especially lifting devices Expired FR686822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR686822T 1929-12-18

Publications (1)

Publication Number Publication Date
FR686822A true FR686822A (en) 1930-07-31

Family

ID=9025747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686822D Expired FR686822A (en) 1929-12-18 1929-12-18 Improvements relating to electrically controlled multi-speed devices, especially lifting devices

Country Status (1)

Country Link
FR (1) FR686822A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107902428A (en) * 2017-11-06 2018-04-13 江阴大地装备股份有限公司 The machine's drive device of bridge type scraper material taking machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107902428A (en) * 2017-11-06 2018-04-13 江阴大地装备股份有限公司 The machine's drive device of bridge type scraper material taking machine

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