JPS49120353A - - Google Patents

Info

Publication number
JPS49120353A
JPS49120353A JP48035401A JP3540173A JPS49120353A JP S49120353 A JPS49120353 A JP S49120353A JP 48035401 A JP48035401 A JP 48035401A JP 3540173 A JP3540173 A JP 3540173A JP S49120353 A JPS49120353 A JP S49120353A
Authority
JP
Japan
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.)
Granted
Application number
JP48035401A
Other languages
Japanese (ja)
Other versions
JPS5414388B2 (en
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 filed Critical
Priority to JP3540173A priority Critical patent/JPS5414388B2/ja
Priority to DE2414559A priority patent/DE2414559A1/en
Priority to US455828A priority patent/US3886417A/en
Publication of JPS49120353A publication Critical patent/JPS49120353A/ja
Publication of JPS5414388B2 publication Critical patent/JPS5414388B2/ja
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
    • B66C13/24—Circuits for controlling the lowering of the load by dc motors
JP3540173A 1973-03-28 1973-03-28 Expired JPS5414388B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3540173A JPS5414388B2 (en) 1973-03-28 1973-03-28
DE2414559A DE2414559A1 (en) 1973-03-28 1974-03-26 PROCEDURE AND EQUIPMENT FOR CONTROLLING A CRANE WITH FOUR INDEPENDENTLY CONTROLLED HOISTING GEAR
US455828A US3886417A (en) 1973-03-28 1974-03-28 Method and apparatus for controlling multiple suspension cranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3540173A JPS5414388B2 (en) 1973-03-28 1973-03-28

Publications (2)

Publication Number Publication Date
JPS49120353A true JPS49120353A (en) 1974-11-18
JPS5414388B2 JPS5414388B2 (en) 1979-06-06

Family

ID=12440880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3540173A Expired JPS5414388B2 (en) 1973-03-28 1973-03-28

Country Status (3)

Country Link
US (1) US3886417A (en)
JP (1) JPS5414388B2 (en)
DE (1) DE2414559A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191300A (en) * 1975-02-18 1980-03-04 Rene Beghi Hoisting device for high-power crane
US4533856A (en) * 1983-04-18 1985-08-06 Combustion Engineering, Inc. Submerged scraper conveyor automatic speed control
JPS6225608A (en) * 1985-07-26 1987-02-03 Mitsui Kaiyo Kaihatsu Kk Preventer for overload to rack-and-pinion type elevator of marine structure
US5443566A (en) * 1994-05-23 1995-08-22 General Electric Company Electronic antisway control
DE19633213A1 (en) * 1996-08-17 1998-02-19 Schloemann Siemag Ag Control procedures
US5939846A (en) * 1997-09-04 1999-08-17 General Electric Company AC motorized wheel control system
JP3376477B2 (en) * 2000-08-01 2003-02-10 伊東電機株式会社 Method of synchronizing a plurality of brushless motors in a lifting device
SG134981A1 (en) * 2003-01-29 2007-09-28 Offshore Technology Dev Pte Lt An apparatus for detecting motion irregularities for rack and pinion system
JP2005289532A (en) * 2004-03-31 2005-10-20 Mitsubishi Electric Corp Elevator control device
US8669724B2 (en) * 2011-02-15 2014-03-11 Magnetek, Inc. Method and apparatus for load dependent speed control of a motor
DE102019122703A1 (en) * 2019-08-23 2021-02-25 Johannes Hübner Fabrik elektrischer Maschinen GmbH Control unit and method for operating a conveyor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452261A (en) * 1965-01-22 1969-06-24 Cigardi Spa O M C S A Off Mec Torque equalizing control arrangement for a series of driven units
US3551775A (en) * 1968-09-12 1970-12-29 Westinghouse Electric Corp Current limit protection for individual motors for a multimotor drive system
CA905527A (en) * 1970-11-12 1972-07-18 Canadian Westinghouse Company Limited Twin double drum hoisting system
US3688167A (en) * 1970-11-19 1972-08-29 Westinghouse Electric Corp Slave current control system for a plurality of electric motors coupled to a common load

Also Published As

Publication number Publication date
US3886417A (en) 1975-05-27
DE2414559A1 (en) 1974-10-17
JPS5414388B2 (en) 1979-06-06

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