GB781107A - Improvements relating to electric motors - Google Patents

Improvements relating to electric motors

Info

Publication number
GB781107A
GB781107A GB5274/55A GB527455A GB781107A GB 781107 A GB781107 A GB 781107A GB 5274/55 A GB5274/55 A GB 5274/55A GB 527455 A GB527455 A GB 527455A GB 781107 A GB781107 A GB 781107A
Authority
GB
United Kingdom
Prior art keywords
stator
magnet
studs
electric motors
improvements relating
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
GB5274/55A
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.)
Globe Industries Inc
Original Assignee
Globe Industries Inc
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 Globe Industries Inc filed Critical Globe Industries Inc
Publication of GB781107A publication Critical patent/GB781107A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H02K23/04—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)

Abstract

781,107. Rotors with permanent magnets. GLOBE INDUSTRIES, Inc. Feb. 22, 1955 [March 8, 1954], No. 5274/55. Class 35. The permanent magnet stator of a motor has an axial recess in each pole to reduce the cross-section in that region, as shown in Fig. 2, the stator is a hollow cylinder 40 with two diametrically opposite grooves 42 in its outer periphery occupied by the studs 100, 102 which clamp together the cover 20, magnet 40, and brass, aluminium or plastic casing 10, the studs also passing through plastic members 62 which have bosses 70 mounting the brush springs 68 and recesses in which the brushes slide. Terminals 86, 88 project outwardly from member 62 through apertures in the end cap. The stator magnet is magnetized in situ, and the axial grooves could be in the inner periphery.
GB5274/55A 1954-03-08 1955-02-22 Improvements relating to electric motors Expired GB781107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US781107XA 1954-03-08 1954-03-08

Publications (1)

Publication Number Publication Date
GB781107A true GB781107A (en) 1957-08-14

Family

ID=22141956

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5274/55A Expired GB781107A (en) 1954-03-08 1955-02-22 Improvements relating to electric motors

Country Status (1)

Country Link
GB (1) GB781107A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894156A (en) * 1957-09-12 1959-07-07 Minitone Inc Miniature motor
DE1142949B (en) * 1961-04-27 1963-01-31 Mez Nachod Narodni Podnik Electric motor or Selsyn small dimensions with terminal board
US3234417A (en) * 1961-11-24 1966-02-08 Sperry Rand Corp Low voltage d.c. motor
US4774430A (en) * 1985-12-17 1988-09-27 Braun Aktiengesellschaft Brush assembly for electrical motors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894156A (en) * 1957-09-12 1959-07-07 Minitone Inc Miniature motor
DE1142949B (en) * 1961-04-27 1963-01-31 Mez Nachod Narodni Podnik Electric motor or Selsyn small dimensions with terminal board
US3234417A (en) * 1961-11-24 1966-02-08 Sperry Rand Corp Low voltage d.c. motor
US4774430A (en) * 1985-12-17 1988-09-27 Braun Aktiengesellschaft Brush assembly for electrical motors

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