Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-08-19
2000-03-28
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310215, 310 45, 310196, 310201, 174 15C, H02K 330, H02B 102
Patent
active
060435828
ABSTRACT:
A high voltage generator armature bar (10) that exhibits improved performance by forming one or more of its conductive components from a conductive material that uses a tin oxide-based composition as a conductive filler. The armature bar (10) is of the type having one or more tiers of conductor strands (12), strand insulation (14), conductive internal grading (20), groundwall insulation (22), conductive slot armoring (24), and preferably a transposition filler (18). The conductive internal grading (20), the conductive slot armoring (24) and/or the transposition filler (18) contain a conductive filler of antimony-doped tin oxide that may constitute the entire conductive filler, or can be present as a shell on the filler particles.
REFERENCES:
patent: 3563850 (1971-02-01), Stackhouse et al.
patent: 3856979 (1974-12-01), Schmid
patent: 4020017 (1977-04-01), Smith et al.
patent: 4112193 (1978-09-01), Higuchi et al.
patent: 5723920 (1998-03-01), Markovitz et al.
U.S. application No. 08/770,037, Markovitz et al., filed Dec. 19, 1996.
Grant James Jonathan
Markovitz Mark
Sheaffer Jeffrey David
Tomak William Edward
General Electric Co.
Hartman Domenica
Lampe, Jr. Robert C.
Mullins Burton
Ramirez Nestor
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