FR2209707B1 - - Google Patents

Info

Publication number
FR2209707B1
FR2209707B1 FR7243979A FR7243979A FR2209707B1 FR 2209707 B1 FR2209707 B1 FR 2209707B1 FR 7243979 A FR7243979 A FR 7243979A FR 7243979 A FR7243979 A FR 7243979A FR 2209707 B1 FR2209707 B1 FR 2209707B1
Authority
FR
France
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
FR7243979A
Other languages
French (fr)
Other versions
FR2209707A1 (sv
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority to GB50797D priority Critical patent/GB50797A/en
Priority to GB5079771A priority patent/GB1372244A/en
Priority to US00302132A priority patent/US3798581A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR7243979A priority patent/FR2209707B1/fr
Priority to DE2261282A priority patent/DE2261282A1/de
Publication of FR2209707A1 publication Critical patent/FR2209707A1/fr
Application granted granted Critical
Publication of FR2209707B1 publication Critical patent/FR2209707B1/fr
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • 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
    • H01F7/064—Circuit arrangements for actuating electromagnets
    • 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
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
FR7243979A 1971-11-02 1972-12-11 Expired FR2209707B1 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB50797D GB50797A (sv) 1971-11-02
GB5079771A GB1372244A (en) 1971-11-02 1971-11-02 Electromechanically switched permanent magnet holding device
US00302132A US3798581A (en) 1971-11-02 1972-10-30 Electro-mechanically switched permanent magnet holding device
FR7243979A FR2209707B1 (sv) 1971-11-02 1972-12-11
DE2261282A DE2261282A1 (de) 1971-11-02 1972-12-15 Elektromechanisch geschaltete haltevorrichtung mit einem dauermagneten

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5079771A GB1372244A (en) 1971-11-02 1971-11-02 Electromechanically switched permanent magnet holding device
FR7243979A FR2209707B1 (sv) 1971-11-02 1972-12-11
DE2261282A DE2261282A1 (de) 1971-11-02 1972-12-15 Elektromechanisch geschaltete haltevorrichtung mit einem dauermagneten

Publications (2)

Publication Number Publication Date
FR2209707A1 FR2209707A1 (sv) 1974-07-05
FR2209707B1 true FR2209707B1 (sv) 1977-07-22

Family

ID=27184899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7243979A Expired FR2209707B1 (sv) 1971-11-02 1972-12-11

Country Status (4)

Country Link
US (1) US3798581A (sv)
DE (1) DE2261282A1 (sv)
FR (1) FR2209707B1 (sv)
GB (2) GB1372244A (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351480A1 (fr) * 1976-05-14 1977-12-09 Materiel Magnetique Dispositif de commande magnetique a aimants permanents, capable de produire une induction magnetique dans deux entrefers distincts
JPS55106743A (en) * 1979-02-08 1980-08-15 Inoue Japax Res Inc Magnetic chuck
US4461207A (en) * 1980-11-17 1984-07-24 International Business Machines Corporation Actuator mechanism for a printer or the like using dual magnets
BR8702929A (pt) * 1987-05-22 1988-12-20 Josef David Baumann Dispositivo permanente magnetico de retencao para movimentacao fixacao ou transporte de pecas ou cargas ferromagneticas com comutacao eletronica do fluxo magnetico para desligamento da carga transportada
JPH053508Y2 (sv) * 1987-06-26 1993-01-27
US5630634A (en) * 1994-12-27 1997-05-20 Michael W. Stowe Device for magnetically engaging objects having variable surface contours
FI20105582A0 (sv) 2010-05-25 2010-05-25 Kaarinan Robottileikkaus Oy Fästanordning, arrangemang och förfarande för fästning av ett föremål som skall bearbetas vid ett bearbetningsunderlag

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257141A (en) * 1963-06-17 1966-06-21 Indiana General Corp Magnetic transfer device
US3316514A (en) * 1965-03-29 1967-04-25 Westinghouse Electric Corp Fail safe electro-magnetic lifting device with safety-stop means
US3389356A (en) * 1965-08-23 1968-06-18 American Chain & Cable Co Fail-safe permanent magnet lifting device with a movable bias keeper
FR1531933A (fr) * 1967-07-19 1968-07-05 Westinghouse Electric Corp Aimant de levage à transfert de flux
DE1756503C3 (de) * 1968-05-30 1973-07-19 Koppers Gmbh Heinrich Vorrichtung zur Anzeige von an Lasthebemagneten haengenden Lasten
US3683239A (en) * 1971-06-17 1972-08-08 Oded E Sturman Self-latching solenoid actuator

Also Published As

Publication number Publication date
US3798581A (en) 1974-03-19
FR2209707A1 (sv) 1974-07-05
GB50797A (sv)
GB1372244A (en) 1974-10-30
DE2261282A1 (de) 1974-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse