| 摘要 |
<p>An encapsulated magnet assembly comprises a non-metallic housing and a magnet disposed within a housing magnet chamber. A housing end cap is fuse bonded to the housing to encapsulate the magnet therein and form an air and fluid-tight seal with the housing. An insulating spacer is interposed between an exposed surface of the magnet and the end cap before assembly and fuse bonding, and is formed from a thermally insulating material to prevent the transmission of thermal energy to the magnet during the fuse bonding process. The insulating spacer serves to protect the magnet from unwanted thermally induced magnetic field losses. The housing also includes one or more projections that extend into the magnet chamber and that cooperate with complementary grooves in the magnet to prevent the magnet from rotating within the chamber.</p> |
