GB2338116B - Electrical machines - Google Patents

Electrical machines

Info

Publication number
GB2338116B
GB2338116B GB9811743A GB9811743A GB2338116B GB 2338116 B GB2338116 B GB 2338116B GB 9811743 A GB9811743 A GB 9811743A GB 9811743 A GB9811743 A GB 9811743A GB 2338116 B GB2338116 B GB 2338116B
Authority
GB
United Kingdom
Prior art keywords
electrical machines
machines
electrical
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 - Fee Related
Application number
GB9811743A
Other versions
GB2338116A (en
GB9811743D0 (en
Inventor
Clifford Mark Joliffe
Charles Pollock
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.)
STEBON Ltd
Original Assignee
STEBON 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 STEBON Ltd filed Critical STEBON Ltd
Priority to GB9811743A priority Critical patent/GB2338116B/en
Publication of GB9811743D0 publication Critical patent/GB9811743D0/en
Publication of GB2338116A publication Critical patent/GB2338116A/en
Application granted granted Critical
Publication of GB2338116B publication Critical patent/GB2338116B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K37/18—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures of homopolar type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
GB9811743A 1998-06-02 1998-06-02 Electrical machines Expired - Fee Related GB2338116B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9811743A GB2338116B (en) 1998-06-02 1998-06-02 Electrical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9811743A GB2338116B (en) 1998-06-02 1998-06-02 Electrical machines

Publications (3)

Publication Number Publication Date
GB9811743D0 GB9811743D0 (en) 1998-07-29
GB2338116A GB2338116A (en) 1999-12-08
GB2338116B true GB2338116B (en) 2003-05-14

Family

ID=10833023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9811743A Expired - Fee Related GB2338116B (en) 1998-06-02 1998-06-02 Electrical machines

Country Status (1)

Country Link
GB (1) GB2338116B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6441522B1 (en) 2000-03-31 2002-08-27 Coleman Powermate, Inc. Electromagnetic apparatus employing high permeability low conductivity element
JP6316714B2 (en) 2014-09-11 2018-04-25 山洋電気株式会社 Stepping motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118375A (en) * 1982-04-08 1983-10-26 Japan Servo Permanent magnet stepping motor
US4672247A (en) * 1984-12-27 1987-06-09 North American Philips Corporation Synchronous or stepping motor with equal-torque stepping
US5693250A (en) * 1993-04-20 1997-12-02 General Motors Corporation Grain oriented composite soft magnetic structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118375A (en) * 1982-04-08 1983-10-26 Japan Servo Permanent magnet stepping motor
US4672247A (en) * 1984-12-27 1987-06-09 North American Philips Corporation Synchronous or stepping motor with equal-torque stepping
US5693250A (en) * 1993-04-20 1997-12-02 General Motors Corporation Grain oriented composite soft magnetic structure

Also Published As

Publication number Publication date
GB2338116A (en) 1999-12-08
GB9811743D0 (en) 1998-07-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060602