Global Patent Index - EP 1524738 B1

EP 1524738 B1 20061129 - Isolating brush guide

Title (en)

Isolating brush guide

Title (de)

Isolierende Kohlebürstenführung

Title (fr)

Guide-balais isolant

Publication

EP 1524738 B1 20061129 (DE)

Application

EP 04022219 A 20040917

Priority

DE 10347764 A 20031014

Abstract (en)

[origin: EP1524738A1] The carbon brush guide (5) is made of aluminium which is covered with an insulating aluminium oxide layer (6,7) at least on the side facing the multi-layer carbon brush (1), e.g. an artificially produced eloxal layer with a thickness of between 5 and 30 microns, used for absorption of heat radiation. Also included are Independent claims for the following: (A) a current transfer device with a carbon brush guide; (B) a carbon brush for a current transfer device; (C) a dynamoelectric machine; (D) a manufacturing method for a carbon brush guide.

IPC 8 full level

H01R 39/38 (2006.01); H01R 39/40 (2006.01); H01R 39/24 (2006.01)

CPC (source: EP US)

H01R 39/388 (2013.01 - EP US); H01R 39/40 (2013.01 - EP US); H01R 39/24 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1524738 A1 20050420; EP 1524738 B1 20061129; AT E347185 T1 20061215; CN 100481650 C 20090422; CN 1607704 A 20050420; DE 10347764 A1 20050512; DE 502004002158 D1 20070111; US 2005156478 A1 20050721; US 7514836 B2 20090407

DOCDB simple family (application)

EP 04022219 A 20040917; AT 04022219 T 20040917; CN 200410088153 A 20041014; DE 10347764 A 20031014; DE 502004002158 T 20040917; US 96551104 A 20041014