Brush assembly for a rotating ice protection system

Details Brush assembly for a rotating ice protection system Brush assembly for a rotating ice protection system

1994-04-29

1995-12-26

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

244134D, H01R 3908

Patent

active

054790603

ABSTRACT:
An improved brush assembly is provided for conducting electrical power from a fixed power system to a rotating ice protection system. The invention is especially adapted for use with an aircraft propeller ice protection system. According to an aspect of the invention, the brush assembly has a housing with a brush enclosure and an attachment leg that attaches the brush assembly to a mounting bracket with the brush enclosure spaced to one side of the mounting bracket. According to another aspect of the invention, an internally mounted transient voltage suppressor is provided with minimized impedance between the transient voltage suppressor and the power system connection thereby providing improved lightning protection. These and other features are provided which are described in detail and represent further improvements over prior brush assemblies.

REFERENCES:
patent: 2451872 (1948-10-01), Rodgers
patent: 2628794 (1953-02-01), Radtke et al.
patent: 2638295 (1953-05-01), Sheets
patent: 2759145 (1956-08-01), Manley
patent: 2994055 (1961-07-01), Olasin
patent: 3314038 (1967-04-01), Rutten
patent: 3657514 (1972-04-01), Adams
patent: 4136295 (1979-01-01), Sweet
patent: 4386749 (1983-06-01), Sweet et al.
patent: 5020741 (1991-06-01), Ziegler et al.
patent: 5281880 (1994-01-01), Sakai
"Handbook Of Spring Design", Spring Manufacturers Insitute, Inc., pp. 7, 12, 13, 14, 15 & 16.
"Transient Voltage Suppression", Fifth Edition, Copyright 1989 by Harris Corporation, pp. 9-4, 9-5, 9-15, 9-29.

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