Insulating-liquid immersed electrical machine
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United States of America Patent
Stats
-
Jun 28, 1994
Issued Date -
N/A
app pub date -
Jan 28, 1992
filing date -
Jul 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An insulting-liquid immersed electrical machine comprises an electrical machine, a hermetically sealed tank containing the electrical machine, and insulating liquid arranged between the electrical machine and the tank, wherein the tank includes a deformable member through which gas and liquid cannot pass and whose shape is variable so that a receiving volume capable of receiving the insulating liquid between the tank and the electrical machine is variable. The insulating liquid completely fills the receiving volume in the tank, and a pressurizing arrangement is provided for adjusting the shape of the deformable member so that the pressure of the insulating liquid in the tank is kept at a suitable degree for preventing the insulating liquid from vaporizing.
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