FI20080192A - Magneettinostin - Google Patents

Magneettinostin Download PDF

Info

Publication number
FI20080192A
FI20080192A FI20080192A FI20080192A FI20080192A FI 20080192 A FI20080192 A FI 20080192A FI 20080192 A FI20080192 A FI 20080192A FI 20080192 A FI20080192 A FI 20080192A FI 20080192 A FI20080192 A FI 20080192A
Authority
FI
Finland
Prior art keywords
magnetic lifting
lifting
magnetic
Prior art date
Application number
FI20080192A
Other languages
English (en)
Swedish (sv)
Other versions
FI122120B (fi
FI20080192A0 (fi
Inventor
Timo Nieminen
Original Assignee
Dynaset Oy
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 Dynaset Oy filed Critical Dynaset Oy
Priority to FI20080192A priority Critical patent/FI122120B/fi
Publication of FI20080192A0 publication Critical patent/FI20080192A0/fi
Priority to PCT/FI2009/000034 priority patent/WO2009112631A1/en
Publication of FI20080192A publication Critical patent/FI20080192A/fi
Application granted granted Critical
Publication of FI122120B publication Critical patent/FI122120B/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B66C1/06—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
    • B66C1/08—Circuits therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
    • H01F2007/208—Electromagnets for lifting, handling or transporting of magnetic pieces or material combined with permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Linear Motors (AREA)
  • Stopping Of Electric Motors (AREA)
FI20080192A 2008-03-10 2008-03-10 Magneettinostin FI122120B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20080192A FI122120B (fi) 2008-03-10 2008-03-10 Magneettinostin
PCT/FI2009/000034 WO2009112631A1 (en) 2008-03-10 2009-03-10 Magnet lifter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20080192A FI122120B (fi) 2008-03-10 2008-03-10 Magneettinostin
FI20080192 2008-03-10

Publications (3)

Publication Number Publication Date
FI20080192A0 FI20080192A0 (fi) 2008-03-10
FI20080192A true FI20080192A (fi) 2009-09-11
FI122120B FI122120B (fi) 2011-08-31

Family

ID=39269430

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20080192A FI122120B (fi) 2008-03-10 2008-03-10 Magneettinostin

Country Status (2)

Country Link
FI (1) FI122120B (fi)
WO (1) WO2009112631A1 (fi)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06100284A (ja) * 1992-09-18 1994-04-12 Hitachi Kiden Kogyo Ltd リフテイングマグネツト用電源装置
JPH1111850A (ja) * 1997-04-30 1999-01-19 Nkk Corp 鋼管の消磁装置
JP2866637B1 (ja) * 1997-08-29 1999-03-08 オカダアイヨン株式会社 リフティングマグネットなどの制御法と回路
JP3395145B2 (ja) * 2000-03-17 2003-04-07 住友重機械工業株式会社 リフティングマグネット装置
JP2002359112A (ja) * 2001-05-31 2002-12-13 Isuzu Motors Ltd リフティングマグネットの電圧制御方法及びその装置
JP2004299819A (ja) * 2003-03-31 2004-10-28 Kobelco Contstruction Machinery Ltd 自走式リフティングマグネット作業機械

Also Published As

Publication number Publication date
WO2009112631A1 (en) 2009-09-17
FI122120B (fi) 2011-08-31
FI20080192A0 (fi) 2008-03-10

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