CA2251379A1 - Continuous metal fiber brushes - Google Patents

Continuous metal fiber brushes

Info

Publication number
CA2251379A1
CA2251379A1 CA002251379A CA2251379A CA2251379A1 CA 2251379 A1 CA2251379 A1 CA 2251379A1 CA 002251379 A CA002251379 A CA 002251379A CA 2251379 A CA2251379 A CA 2251379A CA 2251379 A1 CA2251379 A1 CA 2251379A1
Authority
CA
Canada
Prior art keywords
fibers
strands
plural
metal fiber
continuous metal
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.)
Granted
Application number
CA002251379A
Other languages
French (fr)
Other versions
CA2251379C (en
Inventor
Doris Kuhlmann-Wilsdorf
David D. Makel
George T. Gillies
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.)
University of Virginia Patent Foundation
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US1997/005149 external-priority patent/WO1997037847A1/en
Publication of CA2251379A1 publication Critical patent/CA2251379A1/en
Application granted granted Critical
Publication of CA2251379C publication Critical patent/CA2251379C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H01R39/22—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof incorporating lubricating or polishing ingredient
    • 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
    • H01R39/18—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—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
    • H01R43/12—Manufacture of brushes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

A conductive fiber brush including a brush stock (1) composed of plural conductive fibers or strands of fibers at least some of which may have plural bends along the leg of the fibers or strands. The fibers may have a diameter less than 0.2 mm and are arranged in contacting engagement with each other with the touching points among the fibers or strands maintaining elastic tension between the fibers or strands and thereby maintaining voids between the fibers or strands to produce a packing fraction between 1 and 50% and in extreme cases up to 70% but generally between 10-20% depending on the various factors, including the materials used, the current densities to be conducted, and the sliding speeds under operation. The plural bends are implemented by producing fibers or strands having a regular or irregular spiral, wavy, saw-tooth, triangular, and/or rectangular pattern, or other undulating pattern.
CA002251379A 1996-04-05 1997-04-04 Continuous metal fiber brushes Expired - Fee Related CA2251379C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1475396P 1996-04-05 1996-04-05
US60/014,753 1996-04-05
PCT/US1997/005149 WO1997037847A1 (en) 1996-04-05 1997-04-04 Continuous metal fiber brushes

Publications (2)

Publication Number Publication Date
CA2251379A1 true CA2251379A1 (en) 1997-10-16
CA2251379C CA2251379C (en) 2006-06-20

Family

ID=37393174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002251379A Expired - Fee Related CA2251379C (en) 1996-04-05 1997-04-04 Continuous metal fiber brushes

Country Status (1)

Country Link
CA (1) CA2251379C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117737618A (en) * 2024-02-18 2024-03-22 中国第一汽车股份有限公司 Basalt fiber reinforced matrix composite aluminum material, preparation method thereof and automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117737618A (en) * 2024-02-18 2024-03-22 中国第一汽车股份有限公司 Basalt fiber reinforced matrix composite aluminum material, preparation method thereof and automobile

Also Published As

Publication number Publication date
CA2251379C (en) 2006-06-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed