GB745826A - Improvements in or relating to rotary electrical apparatus in which a permanent magnet is included in the magnetic circuit - Google Patents

Improvements in or relating to rotary electrical apparatus in which a permanent magnet is included in the magnetic circuit

Info

Publication number
GB745826A
GB745826A GB29792/52A GB2979252A GB745826A GB 745826 A GB745826 A GB 745826A GB 29792/52 A GB29792/52 A GB 29792/52A GB 2979252 A GB2979252 A GB 2979252A GB 745826 A GB745826 A GB 745826A
Authority
GB
United Kingdom
Prior art keywords
magnetic
gap
specific resistance
coil
polarized
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
GB29792/52A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB745826A publication Critical patent/GB745826A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • 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
    • H01F7/021—Construction of PM

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
GB29792/52A 1951-11-28 1952-11-25 Improvements in or relating to rotary electrical apparatus in which a permanent magnet is included in the magnetic circuit Expired GB745826A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1078389X 1951-11-28
NL310045X 1951-11-28
NL745826X 1951-11-28

Publications (1)

Publication Number Publication Date
GB745826A true GB745826A (en) 1956-03-07

Family

ID=27351281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29792/52A Expired GB745826A (en) 1951-11-28 1952-11-25 Improvements in or relating to rotary electrical apparatus in which a permanent magnet is included in the magnetic circuit

Country Status (2)

Country Link
BE (1) BE515798A (enrdf_load_stackoverflow)
GB (1) GB745826A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576252A3 (enrdf_load_stackoverflow) * 1992-06-23 1994-08-31 Magnetic Revolutions Inc

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576252A3 (enrdf_load_stackoverflow) * 1992-06-23 1994-08-31 Magnetic Revolutions Inc

Also Published As

Publication number Publication date
BE515798A (enrdf_load_stackoverflow)

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