Patent · US Expired

Carbon brush and process for impregnating same

US5798178A · kind A · utility

1Cited by

8References

4Claims

0Family size

Assignee

SCHUNK KOHLENSTOFFTECHNIK GMBH · DE

Inventors

Rainer Sperling · Biebertal, DE
Harald Friedrich · Reiskirchen, DE
Gunter Schardt · Neu-Ulm, DE

Key dates

Filing date	Sep 8, 1994
Grant date	Aug 25, 1998
Priority date	—
Expiry date	Sep 8, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/30
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a carbon brush which is impregnated with a synthetic ester oil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.