IT968995B - DEVICE TO CONTROL THE EXCITATION CUR RENT OF A COIL PRODUCING A MAGNETIC FLOW OF INVERTIBLE POLARITY - Google Patents

DEVICE TO CONTROL THE EXCITATION CUR RENT OF A COIL PRODUCING A MAGNETIC FLOW OF INVERTIBLE POLARITY

Info

Publication number
IT968995B
IT968995B IT30543/72A IT3054372A IT968995B IT 968995 B IT968995 B IT 968995B IT 30543/72 A IT30543/72 A IT 30543/72A IT 3054372 A IT3054372 A IT 3054372A IT 968995 B IT968995 B IT 968995B
Authority
IT
Italy
Prior art keywords
invertible
polarity
control
magnetic flow
cur rent
Prior art date
Application number
IT30543/72A
Other languages
Italian (it)
Inventor
Etienne Danko
Original Assignee
Lenoir Sa
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 Lenoir Sa filed Critical Lenoir Sa
Application granted granted Critical
Publication of IT968995B publication Critical patent/IT968995B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
    • 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
    • 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
    • H01F7/1872—Bistable or bidirectional current devices
    • 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
    • B66C2700/087—Electrical assemblies or electrical control devices for electrically actuated grabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Synchronous Machinery (AREA)
  • Ac-Ac Conversion (AREA)
  • Magnetic Treatment Devices (AREA)
IT30543/72A 1971-11-19 1972-10-17 DEVICE TO CONTROL THE EXCITATION CUR RENT OF A COIL PRODUCING A MAGNETIC FLOW OF INVERTIBLE POLARITY IT968995B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141419A FR2161262A5 (en) 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
IT968995B true IT968995B (en) 1974-03-20

Family

ID=9086026

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30543/72A IT968995B (en) 1971-11-19 1972-10-17 DEVICE TO CONTROL THE EXCITATION CUR RENT OF A COIL PRODUCING A MAGNETIC FLOW OF INVERTIBLE POLARITY

Country Status (13)

Country Link
AU (1) AU4846672A (en)
BE (1) BE790729A (en)
CH (1) CH564251A5 (en)
DD (1) DD100573A5 (en)
DE (1) DE2256521A1 (en)
ES (1) ES408768A1 (en)
FR (1) FR2161262A5 (en)
GB (1) GB1384156A (en)
IT (1) IT968995B (en)
LU (1) LU66439A1 (en)
NL (1) NL7215080A (en)
PL (1) PL81841B1 (en)
ZA (1) ZA727672B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106743A (en) * 1979-02-08 1980-08-15 Inoue Japax Res Inc Magnetic chuck
GB2149597B (en) * 1980-09-11 1985-11-13 Electro Matic Prod Co Battery charge system
BG38909A1 (en) * 1982-07-27 1986-03-14 Makedonski Method and device for acting on ferromagnetic materials
GB8425120D0 (en) * 1984-10-04 1984-11-07 Vent Axia Ltd Dc solenoid circuits
DE3811446A1 (en) * 1988-04-06 1989-10-19 Bodenseewerk Perkin Elmer Co DEVICE FOR GENERATING A MAGNETIC FIELD IN AN ATOMIC ABSORPTION SPECTROMETER
US7439713B2 (en) 2006-09-20 2008-10-21 Pratt & Whitney Canada Corp. Modulation control of power generation system
US8076882B2 (en) 2007-12-26 2011-12-13 Pratt & Whitney Canada Corp. Motor drive architecture with active snubber
US8279648B2 (en) 2008-03-20 2012-10-02 Pratt & Whitney Canada Corp. Power inverter and method

Also Published As

Publication number Publication date
DE2256521A1 (en) 1973-05-24
DD100573A5 (en) 1973-09-20
AU4846672A (en) 1974-05-02
GB1384156A (en) 1975-02-19
ES408768A1 (en) 1975-11-01
ZA727672B (en) 1974-06-26
FR2161262A5 (en) 1973-07-06
LU66439A1 (en) 1973-02-01
NL7215080A (en) 1973-05-22
CH564251A5 (en) 1975-07-15
PL81841B1 (en) 1975-10-31
BE790729A (en) 1973-02-15

Similar Documents

Publication Publication Date Title
SE400404B (en) MAGNETIC HEAD
SE400403B (en) MAGNETIC HEAD
ZA734763B (en) Production of magnetic fluids by peptization techniques
TR17497A (en) MAGNETIC SPEED ADJUSTMENTS
SE384633B (en) MAGNETIC WATER SEPARATOR
CH537548A (en) magnetic valve
SE400402B (en) MAGNETIC HEAD
CH433796A (en) Magnetic recording method
IT956936B (en) MONOCRYSTALLINE FERRITE MAGNETIC HEAD
BE815689A (en) IMPROVEMENTS TO MAGNETIC TRANSDUCERS
BE806212A (en) ADVANCED MAGNETIC TRANSDUCERS
BE771956A (en) SELF-CORE MAGNETIC WIRE
IT968995B (en) DEVICE TO CONTROL THE EXCITATION CUR RENT OF A COIL PRODUCING A MAGNETIC FLOW OF INVERTIBLE POLARITY
AT323757B (en) MAGNETIC FILTER
CH530564A (en) Magnetic control valve
AT344423B (en) MAGNETIC DEVICE
BE767137A (en) MAGNETIC VALVE
CH498326A (en) magnetic valve
AT312089B (en) Coil winding
BE777083A (en) LEAF MAGNETIC CORE FOR INDUCTION APPLIANCES
IT965714B (en) COIL
BE789294A (en) ADVANCED EXCITATION COIL
FR1416537A (en) Advanced magnetic flywheel
NL7409910A (en) HIGH VOLTAGE INDUCTION COIL.
BE791206A (en) COILS