EP0081828A3 - Carbon brush for electrical machines - Google Patents

Carbon brush for electrical machines Download PDF

Info

Publication number
EP0081828A3
EP0081828A3 EP82111465A EP82111465A EP0081828A3 EP 0081828 A3 EP0081828 A3 EP 0081828A3 EP 82111465 A EP82111465 A EP 82111465A EP 82111465 A EP82111465 A EP 82111465A EP 0081828 A3 EP0081828 A3 EP 0081828A3
Authority
EP
European Patent Office
Prior art keywords
carbon brush
electrical machines
nominal radius
flanks
curvature
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
EP82111465A
Other languages
German (de)
Other versions
EP0081828A2 (en
EP0081828B1 (en
Inventor
Peter Dipl.-Ing. Hoffmann
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.)
Hoffmann and Co Elektrokohle AG
Original Assignee
Hoffmann and Co Elektrokohle AG
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 Hoffmann and Co Elektrokohle AG filed Critical Hoffmann and Co Elektrokohle AG
Priority to AT82111465T priority Critical patent/ATE18963T1/en
Publication of EP0081828A2 publication Critical patent/EP0081828A2/en
Publication of EP0081828A3 publication Critical patent/EP0081828A3/en
Application granted granted Critical
Publication of EP0081828B1 publication Critical patent/EP0081828B1/en
Expired 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
    • H01R39/26—Solid sliding contacts, e.g. carbon brush

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Abstract

1. A carbon brush (1) for electrical machines, with a contact surface which in cross-section has a hollowed profile with flanks (4, 5) inclined towards the centre plane for contact with a commutator or similar slip ring with a nominal radius (R2), characterised in that the two flanks (4, 5) of the profile extend without curvature or with lesser curvature (R1) than the nominal radius (R2) tangentially to a circle of nominal radius (R2).
EP82111465A 1981-12-10 1982-12-10 Carbon brush for electrical machines Expired EP0081828B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82111465T ATE18963T1 (en) 1981-12-10 1982-12-10 CARBON BRUSH FOR ELECTRICAL MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813148996 DE3148996A1 (en) 1981-12-10 1981-12-10 CARBON BRUSH FOR ELECTRICAL MACHINES
DE3148996 1981-12-10

Publications (3)

Publication Number Publication Date
EP0081828A2 EP0081828A2 (en) 1983-06-22
EP0081828A3 true EP0081828A3 (en) 1984-03-21
EP0081828B1 EP0081828B1 (en) 1986-04-02

Family

ID=6148411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111465A Expired EP0081828B1 (en) 1981-12-10 1982-12-10 Carbon brush for electrical machines

Country Status (3)

Country Link
EP (1) EP0081828B1 (en)
AT (1) ATE18963T1 (en)
DE (2) DE3148996A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2599778B2 (en) * 1988-12-14 1997-04-16 三菱電機株式会社 DC machine
DE4438868C2 (en) * 1994-11-03 2002-01-24 Bosch Gmbh Robert Carbon brush for a DC motor
DE19816477A1 (en) * 1998-04-14 1999-10-21 Bsh Bosch Siemens Hausgeraete Carbon brush
DE10340537A1 (en) * 2003-09-03 2005-03-31 Robert Bosch Gmbh Electric machine
DE102010009833A1 (en) 2009-03-03 2010-10-07 Johnson Electric S.A. electric motor
US8558429B2 (en) 2011-01-05 2013-10-15 General Electric Company Systems, methods, and apparatus for lifting brushes of an induction motor
US8674581B2 (en) 2011-01-05 2014-03-18 General Electric Company Systems, methods, and apparatus for shorting slip rings of an induction motor
DE202015000936U1 (en) * 2014-04-10 2015-03-10 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Electric motor and brush for this
CN211404958U (en) * 2019-11-21 2020-09-01 广东德昌电机有限公司 Brush motor and brush structure thereof
DE102020214322A1 (en) * 2020-11-13 2022-05-19 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Electric motor with a commutator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1174253A (en) * 1957-04-17 1959-03-09 Improvements to electric motor brushes
FR2437710A1 (en) * 1978-09-26 1980-04-25 Lorraine Carbone Grooved brushes for electrical machines - have grooves, pref. of triangular cross=section formed in rubbing face without intersecting periphery of brush to avoid chipping

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6802635U (en) * 1968-01-11 1969-03-13 Rau Swf Autozubehoer CHARCOAL BRUSH FOR ELECTRIC MACHINERY
GB1309104A (en) * 1970-08-26 1973-03-07 Morganite Carbon Ltd Electrical contact brushes for conductive co-operation with a rotating member of an electrical machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1174253A (en) * 1957-04-17 1959-03-09 Improvements to electric motor brushes
FR2437710A1 (en) * 1978-09-26 1980-04-25 Lorraine Carbone Grooved brushes for electrical machines - have grooves, pref. of triangular cross=section formed in rubbing face without intersecting periphery of brush to avoid chipping

Also Published As

Publication number Publication date
EP0081828A2 (en) 1983-06-22
EP0081828B1 (en) 1986-04-02
DE3270312D1 (en) 1986-05-07
ATE18963T1 (en) 1986-04-15
DE3148996A1 (en) 1983-06-23

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