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Kuhlmann-Wilsdorf et al., 1989 - Google Patents

Commutation with metal fiber brushes

Kuhlmann-Wilsdorf et al., 1989

Document ID
1762716436101095325
Author
Kuhlmann-Wilsdorf D
Alley D
Publication year
Publication venue
IEEE transactions on components, hybrids, and manufacturing technology

External Links

Snippet

For many years it has been widely held that metal fiber brushes cannot be used on commutators because the chopping action of commutator bars would cause fiber breakage and catastrophic wear, and current surges across adjoining bars would cause severe arcing …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/20—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/30—Liquid contacts
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/003—Structural associations of slip-rings
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01R—LINE CONNECTORS; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors, or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/58—Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear

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