GB2007922B - Electric motors - Google Patents

Electric motors

Info

Publication number
GB2007922B
GB2007922B GB7842760A GB7842760A GB2007922B GB 2007922 B GB2007922 B GB 2007922B GB 7842760 A GB7842760 A GB 7842760A GB 7842760 A GB7842760 A GB 7842760A GB 2007922 B GB2007922 B GB 2007922B
Authority
GB
United Kingdom
Prior art keywords
electric motors
motors
electric
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
GB7842760A
Other versions
GB2007922A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB7842760A priority Critical patent/GB2007922B/en
Publication of GB2007922A publication Critical patent/GB2007922A/en
Application granted granted Critical
Publication of GB2007922B publication Critical patent/GB2007922B/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
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K21/02—Details
    • H02K21/10—Rotating armatures
    • 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
    • H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB7842760A 1977-11-04 1978-11-01 Electric motors Expired GB2007922B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7842760A GB2007922B (en) 1977-11-04 1978-11-01 Electric motors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4599677 1977-11-04
GB7842760A GB2007922B (en) 1977-11-04 1978-11-01 Electric motors

Publications (2)

Publication Number Publication Date
GB2007922A GB2007922A (en) 1979-05-23
GB2007922B true GB2007922B (en) 1982-10-20

Family

ID=26265714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7842760A Expired GB2007922B (en) 1977-11-04 1978-11-01 Electric motors

Country Status (1)

Country Link
GB (1) GB2007922B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514582A1 (en) * 1981-10-08 1983-04-15 Artus BRUSHLESS ELECTRIC MICROMOTOR
US6313560B1 (en) * 1999-12-20 2001-11-06 Pratt & Whitney Canada Corp. Thermally protected electric machine
US7119461B2 (en) 2003-03-25 2006-10-10 Pratt & Whitney Canada Corp. Enhanced thermal conductivity ferrite stator
US6873071B2 (en) 2003-06-03 2005-03-29 Pratt & Whitney Canada Corp. Method, apparatus and system for controlling an electric machine

Also Published As

Publication number Publication date
GB2007922A (en) 1979-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee