JPS5414388B2 - - Google Patents
Info
- Publication number
- JPS5414388B2 JPS5414388B2 JP3540173A JP3540173A JPS5414388B2 JP S5414388 B2 JPS5414388 B2 JP S5414388B2 JP 3540173 A JP3540173 A JP 3540173A JP 3540173 A JP3540173 A JP 3540173A JP S5414388 B2 JPS5414388 B2 JP S5414388B2
- 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.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3540173A JPS5414388B2 (xx) | 1973-03-28 | 1973-03-28 | |
DE2414559A DE2414559A1 (de) | 1973-03-28 | 1974-03-26 | Verfahren und einrichtung zur steuerung eines kranes mit vier unabhaengig voneinander steuerbaren hubwerken |
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 (xx) | 1973-03-28 | 1973-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS49120353A JPS49120353A (xx) | 1974-11-18 |
JPS5414388B2 true JPS5414388B2 (xx) | 1979-06-06 |
Family
ID=12440880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3540173A Expired JPS5414388B2 (xx) | 1973-03-28 | 1973-03-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3886417A (xx) |
JP (1) | JPS5414388B2 (xx) |
DE (1) | DE2414559A1 (xx) |
Families Citing this family (11)
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 (ja) * | 1985-07-26 | 1987-02-03 | Mitsui Kaiyo Kaihatsu Kk | 海洋構造物のラツク・アンド・ピニオン式昇降装置の過負荷防止装置 |
US5443566A (en) * | 1994-05-23 | 1995-08-22 | General Electric Company | Electronic antisway control |
DE19633213A1 (de) * | 1996-08-17 | 1998-02-19 | Schloemann Siemag Ag | Regelverfahren |
US5939846A (en) * | 1997-09-04 | 1999-08-17 | General Electric Company | AC motorized wheel control system |
JP3376477B2 (ja) * | 2000-08-01 | 2003-02-10 | 伊東電機株式会社 | 昇降装置における複数のブラシレスモータの同期方法 |
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 (ja) * | 2004-03-31 | 2005-10-20 | Mitsubishi Electric Corp | エレベータ制御装置 |
US8669724B2 (en) * | 2011-02-15 | 2014-03-11 | Magnetek, Inc. | Method and apparatus for load dependent speed control of a motor |
DE102019122703A1 (de) * | 2019-08-23 | 2021-02-25 | Johannes Hübner Fabrik elektrischer Maschinen GmbH | Steuereinheit und Verfahren zum Betrieb eines Fördermittels |
Family Cites Families (4)
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 |
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1973
- 1973-03-28 JP JP3540173A patent/JPS5414388B2/ja not_active Expired
-
1974
- 1974-03-26 DE DE2414559A patent/DE2414559A1/de active Pending
- 1974-03-28 US US455828A patent/US3886417A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3886417A (en) | 1975-05-27 |
JPS49120353A (xx) | 1974-11-18 |
DE2414559A1 (de) | 1974-10-17 |