GB1232692A – – Google Patents
GB1232692A – – Google Patents
Info
Publication number
GB1232692A
GB1232692A
GB1232692DA
GB1232692A
GB 1232692 A
GB1232692 A
GB 1232692A
GB 1232692D A
GB1232692D A
GB 1232692DA
GB 1232692 A
GB1232692 A
GB 1232692A
Authority
GB
United Kingdom
Prior art keywords
pole
polepiece
ferrite
yoke
cores
Prior art date
1967-05-29
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
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.)
1967-05-29
Filing date
1968-05-27
Publication date
1971-05-19
1968-05-27
Application filed
filed
Critical
1971-05-19
Publication of GB1232692A
publication
Critical
patent/GB1232692A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H02K21/20—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar machine
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K39/00—Generators specially adapted for producing a desired non-sinusoidal waveform
Abstract
1,232,692. A.C. generators, E. HAYASAKA. 27 May, 1968 [29 May, 1967], No. 25197/68. Heading H2A. A homopolar A.C. generator applicable to tachometers comprises a rotary driven shaft 10 upon which is mounted with its magnetic axis coincident with the axis of the shaft a rotary magnetic pole body 11 having N and S poles adjacent one of which is mounted a partially cylindrical polepiece 12, and a stator having in a yoke 14 cores 15a, 15b wound with armature coils 17a, 17b and provided with partially cylindrical core pieces 16a, 16b of substantially the same axial length as the polepiece 12 from which they are spaced by air gaps c, the structure providing a magnetic flux path from one body pole N, through the polepiece 12, the air gaps c, the core pieces and cores 16a, 16b, 15a, 15b, and the yoke 14, to the other body pole S. The body 11 is either an electromagnet or a permanent magnet, e.g. of barium-ferrite or manganese-ferrite, and the polepiece 12 has a square, triangular or sinusoidal developed shape to produce a corresponding output waveform. In addition to the 1-ph. single pole, single element generator shown, the Specification discloses 3-ph., two pole, two element generators.
GB1232692D
1967-05-29
1968-05-27
Expired
GB1232692A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP3369067
1967-05-29
Publications (1)
Publication Number
Publication Date
GB1232692A
true
GB1232692A
(en)
1971-05-19
Family
ID=12393404
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1232692D
Expired
GB1232692A
(en)
1967-05-29
1968-05-27
Country Status (3)
Country
Link
US
(1)
US3668447A
(en)
DE
(1)
DE1763436A1
(en)
GB
(1)
GB1232692A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
WO1992011690A1
(en)
*
1989-12-11
1992-07-09
William Desalme
Improved motor controller
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS51145513U
(en)
*
1975-05-16
1976-11-22
AU7623394A
(en)
*
1993-09-13
1995-04-03
Highview Developments Limited
A homopolar generator
EP0739081A4
(en)
*
1994-01-06
1998-07-15
Hyun Lab Co Ltd
Power generator
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2206920A
(en)
*
1936-09-09
1940-07-09
John B Brady
Apparatus for electrical control
US2889475A
(en)
*
1957-05-09
1959-06-02
Kearfott Company Inc
Tachometer with quadrature suppression
US3154707A
(en)
*
1963-04-23
1964-10-27
Muirhead & Co Ltd
Anti-stiction device for rotating electrical components
FR1391124A
(en)
*
1964-01-23
1965-03-05
Fabrication D App Radioelectri
Further development of synchronous self-starting motors under load
US3428837A
(en)
*
1966-04-21
1969-02-18
Imc Magnetics Corp
Small angle stepping motor with offset permanent magnet rotor having axially located pole shoes
US3428840A
(en)
*
1967-01-09
1969-02-18
Garrett Corp
Axial air gap generator with cooling arrangement
US3444405A
(en)
*
1967-06-02
1969-05-13
Lear Siegler Inc
Permanent magnet generator
1968
1968-05-27
US
US740390*A
patent/US3668447A/en
not_active
Expired – Lifetime
1968-05-27
GB
GB1232692D
patent/GB1232692A/en
not_active
Expired
1968-05-29
DE
DE19681763436
patent/DE1763436A1/en
active
Pending
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
WO1992011690A1
(en)
*
1989-12-11
1992-07-09
William Desalme
Improved motor controller
Also Published As
Publication number
Publication date
DE1763436A1
(en)
1971-09-02
US3668447A
(en)
1972-06-06
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Legal Events
Date
Code
Title
Description
1971-09-29
PS
Patent sealed [section 19, patents act 1949]
1988-06-29
PE20
Patent expired after termination of 20 years
