EP0936636A3 - Electromagnet - Google Patents

Electromagnet Download PDF

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Publication number
EP0936636A3
EP0936636A3 EP98124681A EP98124681A EP0936636A3 EP 0936636 A3 EP0936636 A3 EP 0936636A3 EP 98124681 A EP98124681 A EP 98124681A EP 98124681 A EP98124681 A EP 98124681A EP 0936636 A3 EP0936636 A3 EP 0936636A3
Authority
EP
European Patent Office
Prior art keywords
coil
materials
electromagnet
diffusion direction
smaller
Prior art date
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.)
Withdrawn
Application number
EP98124681A
Other languages
German (de)
French (fr)
Other versions
EP0936636A2 (en
Inventor
Hans Gander
Frank Kirschbaum
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0936636A2 publication Critical patent/EP0936636A2/en
Publication of EP0936636A3 publication Critical patent/EP0936636A3/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • 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
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/106—Magnetic circuits using combinations of different magnetic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Electromagnets (AREA)
  • Valve Device For Special Equipments (AREA)
  • Particle Accelerators (AREA)

Abstract

Die Erfindung geht aus von einem Elektromagnet mit einer Spule und einem Spulenkern, der aus zumindest zwei ferromagnetischen Materialien besteht.The invention is based on an electromagnet with a coil and a coil core, which consists of at least two ferromagnetic Materials.

Es wird vorgeschlagen, daß in Diffusionsrichtung des Magnetfelds der Spule der Spulenkern unterschiedliche Materialien aufweist, wobei die in Diffusionsrichtung näher bei der Spule liegenden Materialien eine kleinere Sättigungsflußdichte BS haben, die bei einer kleineren Feldstärke HS erreicht werden als die Materialien, die weiter von der Spule entfernt sind.

Figure 00000001
It is proposed that in the diffusion direction of the magnetic field of the coil the coil core has different materials, the materials lying closer to the coil in the diffusion direction having a smaller saturation flux density B S , which are achieved with a smaller field strength H S than the materials farther from the coil are removed.
Figure 00000001
EP98124681A 1998-02-10 1998-12-24 Electromagnet Withdrawn EP0936636A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19805171A DE19805171C2 (en) 1998-02-10 1998-02-10 Electromagnet and use of the same
DE19805171 1998-02-10

Publications (2)

Publication Number Publication Date
EP0936636A2 EP0936636A2 (en) 1999-08-18
EP0936636A3 true EP0936636A3 (en) 2000-08-16

Family

ID=7857130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98124681A Withdrawn EP0936636A3 (en) 1998-02-10 1998-12-24 Electromagnet

Country Status (2)

Country Link
EP (1) EP0936636A3 (en)
DE (1) DE19805171C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2847379B1 (en) * 2002-11-18 2014-10-17 Johnson Contr Automotive Elect ELECTROMAGNETIC ACTUATOR WITH ACTIVE ADDITIONAL SURFACE
FR2851290B1 (en) * 2003-02-18 2007-02-09 Peugeot Citroen Automobiles Sa ELECTROMECHANICAL VALVE CONTROL ACTUATOR FOR INTERNAL COMBUSTION ENGINE
JP2008180140A (en) * 2007-01-24 2008-08-07 Toyota Motor Corp Solenoid-driven valve
EP2601659A1 (en) * 2010-08-05 2013-06-12 Fluid Automation Systems S.A. Solenoid valve with a two-part core
DE102012013350C5 (en) * 2012-07-06 2024-02-15 Sew-Eurodrive Gmbh & Co Kg Electromagnet, electromagnetically actuated brake and brake motor
US11022231B2 (en) 2018-12-14 2021-06-01 Marotta Controls, Inc. Solenoid valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2416119A1 (en) * 1973-04-03 1974-10-17 Centre Nat Etd Spatiales ELECTROMAGNET WITH HIGH CAPACITY AND SHORT RESPONSE TIME
JPS5680104A (en) * 1979-12-05 1981-07-01 Canon Inc Attracting type electromagnet
DE3152008C1 (en) * 1981-12-31 1983-07-07 Fried. Krupp Gmbh, 4300 Essen Elongated magnetic switching core
EP0296983A1 (en) * 1987-06-26 1988-12-28 Lucas Ledex, Inc. Three-dimensional double air gap high speed solenoid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922423C (en) * 1942-08-21 1955-01-17 Aeg Transformer or reactor with a strongly flattened current-voltage characteristic in the upper part
DE975437C (en) * 1952-05-06 1961-11-30 Siemens Ag Suppression throttle
DE3729418A1 (en) * 1987-09-03 1989-03-16 Vacuumschmelze Gmbh SPOOL CORE FOR AN INDUCTIVE, FREQUENCY-INDEPENDENT SWITCHING DEVICE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2416119A1 (en) * 1973-04-03 1974-10-17 Centre Nat Etd Spatiales ELECTROMAGNET WITH HIGH CAPACITY AND SHORT RESPONSE TIME
JPS5680104A (en) * 1979-12-05 1981-07-01 Canon Inc Attracting type electromagnet
DE3152008C1 (en) * 1981-12-31 1983-07-07 Fried. Krupp Gmbh, 4300 Essen Elongated magnetic switching core
EP0296983A1 (en) * 1987-06-26 1988-12-28 Lucas Ledex, Inc. Three-dimensional double air gap high speed solenoid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 145 (E - 074) 12 September 1981 (1981-09-12) *

Also Published As

Publication number Publication date
DE19805171A1 (en) 1999-08-19
DE19805171C2 (en) 2000-08-03
EP0936636A2 (en) 1999-08-18

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