WO2010037678A3 - Commutator and method for manufacturing same - Google Patents

Commutator and method for manufacturing same Download PDF

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Publication number
WO2010037678A3
WO2010037678A3 PCT/EP2009/062330 EP2009062330W WO2010037678A3 WO 2010037678 A3 WO2010037678 A3 WO 2010037678A3 EP 2009062330 W EP2009062330 W EP 2009062330W WO 2010037678 A3 WO2010037678 A3 WO 2010037678A3
Authority
WO
WIPO (PCT)
Prior art keywords
commutator
reinforcing ring
limb
groove
axial
Prior art date
Application number
PCT/EP2009/062330
Other languages
German (de)
French (fr)
Other versions
WO2010037678A2 (en
Inventor
Olaf Pflugmacher
Frank Pape
Juergen Klingel
Wolfgang Hecht
Matthias Schick
Thomas Finke
Thomas Bock
Andreas Stein
Rolf Stolte
Joerg Wolkowicz
Werner Liebig
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2010037678A2 publication Critical patent/WO2010037678A2/en
Publication of WO2010037678A3 publication Critical patent/WO2010037678A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/06—Manufacture of commutators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators

Abstract

The invention relates to a commutator (52) for contacting an armature winding (49) of an armature (37) of an electric machine, comprising commutator bars (55) arranged in a peripheral direction, the commutator bars (55) having a groove (318) that is open in an axial direction at least on an axial end (309), said groove being delimited by limbs (321, 324), a reinforcing ring (327) being arranged in the grooves (318), characterized in that the radial limbs (321) arranged on the inside has an axial undercut in the axial direction, so that the reinforcing ring (327) is secured in the position thereof. The invention further relates to a method for manufacturing a commutator, commutator bars (55) being first supplied and arranged in such a way that they are arranged in a cylindrical fashion in a peripheral direction and subsequently a reinforcing ring (318) is inserted in a groove (318) between a radially inner limb (312) and a radially outer limb (324), characterized in that, after insertion of the reinforcing ring (318), the radially inner limb (312) is split and a radially outer partial limb (333) of the inner limb (312) is bent radially outward.
PCT/EP2009/062330 2008-09-30 2009-09-23 Commutator and method for manufacturing same WO2010037678A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810042507 DE102008042507A1 (en) 2008-09-30 2008-09-30 Commutator and manufacturing process for such
DE102008042507.9 2008-09-30

Publications (2)

Publication Number Publication Date
WO2010037678A2 WO2010037678A2 (en) 2010-04-08
WO2010037678A3 true WO2010037678A3 (en) 2010-11-25

Family

ID=41719669

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/062330 WO2010037678A2 (en) 2008-09-30 2009-09-23 Commutator and method for manufacturing same

Country Status (2)

Country Link
DE (1) DE102008042507A1 (en)
WO (1) WO2010037678A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056882A (en) * 1973-10-05 1977-11-08 Airscrew Howden Limited Method of making a dimensionally stable commutator
FR2624315A1 (en) * 1987-12-07 1989-06-09 Equip Electr Moteur Front commutator for a rotating electrical machine
EP0350855A2 (en) * 1988-07-14 1990-01-17 Kautt & Bux Commutator GmbH Commutator and process for manufacturing same
WO1995022185A1 (en) * 1994-02-10 1995-08-17 Comtrade Handelsgesellschaft Mbh Armouring ring for rotating bodies and method of producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056882A (en) * 1973-10-05 1977-11-08 Airscrew Howden Limited Method of making a dimensionally stable commutator
FR2624315A1 (en) * 1987-12-07 1989-06-09 Equip Electr Moteur Front commutator for a rotating electrical machine
EP0350855A2 (en) * 1988-07-14 1990-01-17 Kautt & Bux Commutator GmbH Commutator and process for manufacturing same
WO1995022185A1 (en) * 1994-02-10 1995-08-17 Comtrade Handelsgesellschaft Mbh Armouring ring for rotating bodies and method of producing the same

Also Published As

Publication number Publication date
DE102008042507A1 (en) 2010-04-01
WO2010037678A2 (en) 2010-04-08

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