Hourglass magnet
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United States of America Patent
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-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Apr 17, 1985
filing date -
Apr 17, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is intended for incorporation into an enclosure confining fluid about an electromagnet of the type having a core, at least one coil disposed about the core and a current source coupled to the coil to establish a magnetic field. According to the invention, at least a portion of the peripheral wall of the enclosure surrounding the core axis resides in non-parallel relationship with the axis of the core. As a result, a part of the peripheral wall portion is in closer proximity to the wire coil than the remainder of the wall portion. As a result, the heat readily conducts through the wall portion and is dissipated efficiently. The surface exposed to the atmosphere with the above construction has a greater area than would a planar wall parallel to the core axis so that heat dissipation is enhanced.
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