Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1979-06-11
1982-05-11
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 62, 310242, 310245, H02K 928
Patent
active
043296114
ABSTRACT:
Brushholder apparatus is disclosed for supporting electrically conductive brushes of a dynamoelectric machine in a manner facilitating improved cooling of the brushes and adjacent collector ring. The apparatus includes a brushholder assembly with a pair of legs to internally support a brush and may also include a casing arranged to retain several brushholder assemblies, provide an enclosure for properly directing cooling gas circulated by a fan, and furnish a common electrical link between brushholder assemblies and a source of electric current. An insulated handle is described which can be inserted into the brushholder assembly and manipulated to lock handle, brushholder assembly, and brush together as a unit to permit safe removal of the brushholder assembly and associated brush from the casing and installation of a new brush during operation of the machine.
REFERENCES:
patent: 2280735 (1942-04-01), Weissinger
patent: 2849631 (1958-08-01), Matz
patent: 3173047 (1965-03-01), Matz
patent: 3432708 (1969-03-01), Bissett
patent: 3523288 (1970-08-01), Thompson
patent: 3710478 (1973-01-01), Krulls
patent: 3784855 (1974-01-01), Motegi
patent: 3864803 (1975-02-01), Ohmstedt
patent: 3968391 (1976-07-01), Blank
Krulls Gerd E.
Ohmstedt Harry O.
Ruth William H.
Ahern John F.
Austin Ormand R.
General Electric Company
Skudy R.
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