DE20021736U1 - Brushless electrical machine - Google Patents

Brushless electrical machine

Info

Publication number
DE20021736U1
DE20021736U1 DE20021736U DE20021736U DE20021736U1 DE 20021736 U1 DE20021736 U1 DE 20021736U1 DE 20021736 U DE20021736 U DE 20021736U DE 20021736 U DE20021736 U DE 20021736U DE 20021736 U1 DE20021736 U1 DE 20021736U1
Authority
DE
Germany
Prior art keywords
electrical machine
brushless electrical
odd
stator teeth
divisible
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 - Lifetime
Application number
DE20021736U
Other languages
German (de)
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.)
HEMEAD, ELSAYED, DR.-ING., DE
Original Assignee
Hemead Elsayed
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 Hemead Elsayed filed Critical Hemead Elsayed
Priority to DE20021736U priority Critical patent/DE20021736U1/en
Publication of DE20021736U1 publication Critical patent/DE20021736U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Brushless Motors (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (2)

1. Bürstenlose elektrische Maschine mit einem Permanentmag­ netläufer mit P Polpaaren, einem genuteten Ständer mit Z Ständerzähnen und einer m-phasigen Ständerwicklung, wo­ bei die Ständerzähnezahl Z ein Vielfaches der Phasenan­ zahl m ist, dadurch gekennzeichnet, daß die Ständerzähnezahl Z mit
Z = m . (P/2 ± C)
gewählt ist, wobei P/2 nicht durch m teilbar sein soll und C eine Konstante ist, die, sofern P geradzahlig ist, folgenden Bedingungen genügt:
0 < C < P/2 mit
C = (2 . n - 1), wenn P/2 eine gerade Zahl ist und
C = 2 . n, wenn P/2 eine ungerade Zahl ist mit n = 1, 2, 3, . . .,
bei C < 1 ist P/2 nicht durch C teilbar
und, sofern P ungeradzahlig ist, auch der Ausdruck (P/2 ± C) ungeradzahlig ist und C der Bedingungen genügt:
C = 1/2 . (2n - 1) mit n = 1, 2, 3, . . ., .1. Brushless electrical machine with a permanent magnet netläufer with P pole pairs, a grooved stand with Z stator teeth and an m-phase stator winding, where the number of stator teeth Z is a multiple of the number of phases m, characterized in that the number of stator teeth Z with
Z = m. (P / 2 ± C)
is selected, where P / 2 should not be divisible by m and C is a constant which, provided P is an even number, satisfies the following conditions:
0 <C <P / 2 with
C = (2. N - 1) if P / 2 is an even number and
C = 2. n if P / 2 is an odd number with n = 1, 2, 3,. , .,
if C <1, P / 2 is not divisible by C.
and, if P is odd, the expression (P / 2 ± C) is odd and C satisfies the conditions:
C = 1/2. (2n - 1) with n = 1, 2, 3,. , .,. 2. Bürstenlose elektrische Maschine nach Anspruch 1, gekennzeichnet dadurch, daß die Phasenzahl zu m = 3 gewählt ist.2. Brushless electrical machine according to claim 1, characterized in that the number of phases is chosen to be m = 3.
DE20021736U 2000-12-21 2000-12-21 Brushless electrical machine Expired - Lifetime DE20021736U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20021736U DE20021736U1 (en) 2000-12-21 2000-12-21 Brushless electrical machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20021736U DE20021736U1 (en) 2000-12-21 2000-12-21 Brushless electrical machine

Publications (1)

Publication Number Publication Date
DE20021736U1 true DE20021736U1 (en) 2001-05-10

Family

ID=7950442

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20021736U Expired - Lifetime DE20021736U1 (en) 2000-12-21 2000-12-21 Brushless electrical machine

Country Status (1)

Country Link
DE (1) DE20021736U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1579043B (en) * 2002-03-29 2010-05-05 松下电器产业株式会社 Motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1579043B (en) * 2002-03-29 2010-05-05 松下电器产业株式会社 Motor

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010613

R150 Term of protection extended to 6 years

Effective date: 20040728

R081 Change of applicant/patentee

Owner name: HEMEAD, ELSAYED, DR.-ING., DE

Free format text: FORMER OWNER: HEMEAD, ELSAYED, DR.-ING., 12353 BERLIN, DE

Effective date: 20050414

R157 Lapse of ip right after 6 years

Effective date: 20070703