GB2246481B - An electric motor with improved torque ripple - Google Patents

An electric motor with improved torque ripple

Info

Publication number
GB2246481B
GB2246481B GB9115852A GB9115852A GB2246481B GB 2246481 B GB2246481 B GB 2246481B GB 9115852 A GB9115852 A GB 9115852A GB 9115852 A GB9115852 A GB 9115852A GB 2246481 B GB2246481 B GB 2246481B
Authority
GB
United Kingdom
Prior art keywords
electric motor
torque ripple
improved torque
improved
ripple
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
GB9115852A
Other versions
GB9115852D0 (en
GB2246481A (en
Inventor
Martin Burgbacher
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.)
Ebm Papst St Georgen GmbH and Co KG
Papst Licensing GmbH and Co KG
Original Assignee
Papst Licensing GmbH and Co KG
Papst Motoren GmbH and Co KG
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 Papst Licensing GmbH and Co KG, Papst Motoren GmbH and Co KG filed Critical Papst Licensing GmbH and Co KG
Publication of GB9115852D0 publication Critical patent/GB9115852D0/en
Publication of GB2246481A publication Critical patent/GB2246481A/en
Application granted granted Critical
Publication of GB2246481B publication Critical patent/GB2246481B/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
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
GB9115852A 1990-07-23 1991-07-23 An electric motor with improved torque ripple Expired - Fee Related GB2246481B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9010895U DE9010895U1 (en) 1990-07-23 1990-07-23

Publications (3)

Publication Number Publication Date
GB9115852D0 GB9115852D0 (en) 1991-09-04
GB2246481A GB2246481A (en) 1992-01-29
GB2246481B true GB2246481B (en) 1995-03-29

Family

ID=6855844

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919115450A Pending GB9115450D0 (en) 1990-07-23 1991-07-18 An electric motor with improved torque ripple
GB9115852A Expired - Fee Related GB2246481B (en) 1990-07-23 1991-07-23 An electric motor with improved torque ripple

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919115450A Pending GB9115450D0 (en) 1990-07-23 1991-07-18 An electric motor with improved torque ripple

Country Status (3)

Country Link
DE (1) DE9010895U1 (en)
GB (2) GB9115450D0 (en)
HK (1) HK77897A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19633209A1 (en) * 1995-08-28 1997-03-06 Papst Motoren Gmbh & Co Kg Reducing reluctance moment or cogging of electric motor
US5852334A (en) * 1995-10-19 1998-12-22 Tridelta Industries, Inc. Staggered pole switched reluctance motor
GB9801187D0 (en) * 1998-01-20 1998-03-18 Switched Reluctance Drives Ltd Noise reduction in reluctance machines
GB9810418D0 (en) * 1998-05-14 1998-07-15 Switched Reluctance Drives Ltd A set of laminations for a switched reluctance machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB950655A (en) *
GB1354144A (en) * 1970-06-26 1974-06-05 Matsushita Electric Ind Co Ltd Rotating electric machines
GB2052883A (en) * 1979-05-15 1981-01-28 Papst Motoren Kg Two pulse permanent magnet brushless d-c motor
GB2145292A (en) * 1983-08-20 1985-03-20 Pioneer Electronic Corp Single-phase brushless motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB950655A (en) *
GB1354144A (en) * 1970-06-26 1974-06-05 Matsushita Electric Ind Co Ltd Rotating electric machines
GB2052883A (en) * 1979-05-15 1981-01-28 Papst Motoren Kg Two pulse permanent magnet brushless d-c motor
GB2145292A (en) * 1983-08-20 1985-03-20 Pioneer Electronic Corp Single-phase brushless motor

Also Published As

Publication number Publication date
HK77897A (en) 1997-06-20
DE9010895U1 (en) 1991-12-19
GB9115852D0 (en) 1991-09-04
GB2246481A (en) 1992-01-29
GB9115450D0 (en) 1991-09-04

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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: 20090723