FR2437711A1 - Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects - Google Patents

Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects

Info

Publication number
FR2437711A1
FR2437711A1 FR7827466A FR7827466A FR2437711A1 FR 2437711 A1 FR2437711 A1 FR 2437711A1 FR 7827466 A FR7827466 A FR 7827466A FR 7827466 A FR7827466 A FR 7827466A FR 2437711 A1 FR2437711 A1 FR 2437711A1
Authority
FR
France
Prior art keywords
brushes
lateral forces
groove
pieces
spring
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
FR7827466A
Other languages
French (fr)
Other versions
FR2437711B1 (en
Inventor
Roland Niez
Paul Reille
Pierre Broux
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.)
Mersen SA
Original Assignee
Carbone Lorraine SA
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 Carbone Lorraine SA filed Critical Carbone Lorraine SA
Priority to FR7827466A priority Critical patent/FR2437711A1/en
Publication of FR2437711A1 publication Critical patent/FR2437711A1/en
Application granted granted Critical
Publication of FR2437711B1 publication Critical patent/FR2437711B1/fr
Granted 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
    • H01R39/27—End caps on carbon brushes to transmit spring pressure

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Abstract

The component brushes (11) of a double-brush can wear unevenly, become tilted or wedged in the brush holder through non-axial pressure from the collector spring. This is overcome by surmounting the brushes with a wedge-shaped piece (2) and a further piece (3) having a groove (6) in its upper face. The pressure element bears upon this groove. The slides of this further piece are part-cylindrical and the groove is of curved or V-shaped cross-section, suitably locating a roller-spring. Both additional pieces are of insulating or conducting material and need not be each of the same material. They are of low-friction material such as carbon. Both pieces may contain holes through which pass the current-carrying tails which thus approx. locate the pieces in the holder. This arrangement transmits the spring pressure axially and avoids lateral forces on the brushes.
FR7827466A 1978-09-26 1978-09-26 Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects Granted FR2437711A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7827466A FR2437711A1 (en) 1978-09-26 1978-09-26 Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7827466A FR2437711A1 (en) 1978-09-26 1978-09-26 Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects

Publications (2)

Publication Number Publication Date
FR2437711A1 true FR2437711A1 (en) 1980-04-25
FR2437711B1 FR2437711B1 (en) 1982-03-12

Family

ID=9213024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7827466A Granted FR2437711A1 (en) 1978-09-26 1978-09-26 Pressure pad for double brushes - obviates lateral forces from collector spring produced by non-axial effects

Country Status (1)

Country Link
FR (1) FR2437711A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727574A1 (en) * 1994-11-24 1996-05-31 Rockwell Body & Chassis Syst Feed brush esp. for electric motor
FR3030928A1 (en) * 2014-12-18 2016-06-24 Valeo Equip Electr Moteur ASSEMBLY FOR MOTOR VEHICLE MOTOR MOTOR ELECTRIC MOTOR BRUSH HOLDER

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520379A (en) * 1947-04-28 1950-08-29 Superior Carbon Products Inc Brush support
US3445704A (en) * 1967-12-26 1969-05-20 Morganite Inc Current collecting triple wafer brush assembly
DE1811319A1 (en) * 1968-11-28 1970-06-18 Ringsdorff Werke Gmbh Spring-loaded head piece for carbon brushes
FR2055892A5 (en) * 1969-08-05 1971-05-14 Lorraine Carbone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520379A (en) * 1947-04-28 1950-08-29 Superior Carbon Products Inc Brush support
US3445704A (en) * 1967-12-26 1969-05-20 Morganite Inc Current collecting triple wafer brush assembly
DE1811319A1 (en) * 1968-11-28 1970-06-18 Ringsdorff Werke Gmbh Spring-loaded head piece for carbon brushes
FR2055892A5 (en) * 1969-08-05 1971-05-14 Lorraine Carbone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727574A1 (en) * 1994-11-24 1996-05-31 Rockwell Body & Chassis Syst Feed brush esp. for electric motor
FR3030928A1 (en) * 2014-12-18 2016-06-24 Valeo Equip Electr Moteur ASSEMBLY FOR MOTOR VEHICLE MOTOR MOTOR ELECTRIC MOTOR BRUSH HOLDER

Also Published As

Publication number Publication date
FR2437711B1 (en) 1982-03-12

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Legal Events

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