Through-bolt insulating boot

Details Through-bolt insulating boot Through-bolt insulating boot

2007-05-29

2007-05-29

Lee, Jinhee (Department: 2174)

Electricity: conductors and insulators

Insulators

Special application

C174S135000, C439S521000, C439S135000

Reexamination Certificate

active

11156339

ABSTRACT:
The present invention provides for an insulating boot20for ends of through-bolts12in electric generators that comprises a shaped insulating boot. The boot has an inner surface and an outer surface and an opening, where the inner surface is substantially free of protrusions. The inner surface of the shaped boot20is within 0.01 to 0.5 inches (0.025–1.3 cm) larger than the shape of the end of a through-bolt12to which the shaped boot will be applied. The shaped insulating boot has a breakdown voltage of at least 10 kV, and more particularly at least 30 kV, and the shaped boot is placed over the end of a through-bolt of an electric generator.

REFERENCES:
patent: 4952828 (1990-08-01), Yu-Fang
patent: 5230142 (1993-07-01), Roscizewski
patent: 5859483 (1999-01-01), Kilman

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