GB1454754A - Permanent magnet structure - Google Patents

Permanent magnet structure

Info

Publication number
GB1454754A
GB1454754A GB4955473A GB4955473A GB1454754A GB 1454754 A GB1454754 A GB 1454754A GB 4955473 A GB4955473 A GB 4955473A GB 4955473 A GB4955473 A GB 4955473A GB 1454754 A GB1454754 A GB 1454754A
Authority
GB
United Kingdom
Prior art keywords
magnet
magnets
permanent
airgap
repel
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.)
Expired
Application number
GB4955473A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1454754A publication Critical patent/GB1454754A/en
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
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
    • F25B2321/0023—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects with modulation, influencing or enhancing an existing magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Hard Magnetic Materials (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Microwave Tubes (AREA)
GB4955473A 1972-10-26 1973-10-24 Permanent magnet structure Expired GB1454754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30109472A 1972-10-26 1972-10-26

Publications (1)

Publication Number Publication Date
GB1454754A true GB1454754A (en) 1976-11-03

Family

ID=23161919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4955473A Expired GB1454754A (en) 1972-10-26 1973-10-24 Permanent magnet structure

Country Status (9)

Country Link
US (1) US3781736A (enrdf_load_stackoverflow)
JP (2) JPS49132595A (enrdf_load_stackoverflow)
DE (1) DE2347039A1 (enrdf_load_stackoverflow)
ES (1) ES419858A1 (enrdf_load_stackoverflow)
FR (1) FR2204854B1 (enrdf_load_stackoverflow)
GB (1) GB1454754A (enrdf_load_stackoverflow)
IT (1) IT995956B (enrdf_load_stackoverflow)
NL (1) NL7314663A (enrdf_load_stackoverflow)
SU (1) SU824901A3 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161782A1 (en) * 1984-04-11 1985-11-21 Sumitomo Special Metal Co., Ltd. Magnetic field generating device for NMR-CT
GB2196855A (en) * 1986-09-12 1988-05-11 Marubeni Kk Magnetic therapeutic device

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5158323U (enrdf_load_stackoverflow) * 1974-10-31 1976-05-08
CS213709B1 (en) * 1979-03-13 1982-04-09 Vaclav Landa Anizotropous permanent magnets
US4359706A (en) * 1979-12-18 1982-11-16 Arnold Flack Magnet pole pieces and pole piece extensions and shields
US4549155A (en) * 1982-09-20 1985-10-22 The United States Of America As Represented By The United States Department Of Energy Permanent magnet multipole with adjustable strength
US5949316A (en) * 1995-08-24 1999-09-07 The United States Of America As Represented By The Secretary Of The Army Magnetic reluctor structures and methods
US6573817B2 (en) 2001-03-30 2003-06-03 Sti Optronics, Inc. Variable-strength multipole beamline magnet
US7079319B2 (en) * 2002-02-08 2006-07-18 Rene Helbing Optical signal control device and method for utilizing same
JP4941938B2 (ja) * 2007-10-10 2012-05-30 三菱自動車工業株式会社 容量変化検出回路、タッチパネル及び判定方法
US8736136B2 (en) * 2011-02-16 2014-05-27 Toyota Motor Engineering & Manufacturing North America, Inc. Magnetic field manipulation in switched reluctance motors and design method
RU2011106381A (ru) * 2011-02-22 2012-08-27 Закрытое акционерное общество "Нанотех-Актив" (RU) Магнитный модуль
US8736128B2 (en) * 2011-08-10 2014-05-27 Toyota Motor Engineering & Manufacturing North America, Inc. Three dimensional magnetic field manipulation in electromagnetic devices
US8810345B1 (en) * 2013-08-23 2014-08-19 J. Thomas Goserud Device for retrieving and securing golf ball marks
US10137582B2 (en) 2016-11-18 2018-11-27 Wahl Clipper Corporation Flux bridge for pivot motors
EP3382678B1 (en) 2017-03-27 2019-07-31 Ecole Polytechnique Federale De Lausanne (Epfl) An electromagnetic actuator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1114606A (fr) * 1954-11-18 1956-04-16 Csf Perfectionnements aux aimants permanents
US2925517A (en) * 1957-05-23 1960-02-16 Bell Telephone Labor Inc Electron beam focusing magnetic circuit
GB886916A (en) * 1958-10-28 1962-01-10 Roe A V & Co Ltd Improvements in or relating to magnetic circuits employing permanent magnets or electro magnets
GB842531A (en) * 1958-12-24 1960-07-27 Mullard Ltd Permanent magnets
NL287237A (enrdf_load_stackoverflow) * 1961-12-27
DE1801974A1 (de) * 1968-10-09 1970-05-27 Deutsche Edelstahlwerke Ag Streuarmes Dauermagnetsystem fuer magnetdynamische Lautsprecher,Mikrophone u.dgl.
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161782A1 (en) * 1984-04-11 1985-11-21 Sumitomo Special Metal Co., Ltd. Magnetic field generating device for NMR-CT
GB2196855A (en) * 1986-09-12 1988-05-11 Marubeni Kk Magnetic therapeutic device
GB2196855B (en) * 1986-09-12 1991-06-26 Marubeni Kk Magnetic therapeutic device

Also Published As

Publication number Publication date
NL7314663A (enrdf_load_stackoverflow) 1974-05-01
JPS49132595A (enrdf_load_stackoverflow) 1974-12-19
JPS5596614U (enrdf_load_stackoverflow) 1980-07-04
IT995956B (it) 1975-11-20
JPS5629930Y2 (enrdf_load_stackoverflow) 1981-07-16
FR2204854B1 (enrdf_load_stackoverflow) 1979-08-03
FR2204854A1 (enrdf_load_stackoverflow) 1974-05-24
DE2347039A1 (de) 1974-05-09
SU824901A3 (ru) 1981-04-23
US3781736A (en) 1973-12-25
ES419858A1 (es) 1976-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee