| 摘要 |
A magnet ring assembly for use with a piston assembly includes a cylindrical magnet holder having an inner surface, an annular ledge formed around the inner surface of the cylindrical magnet holder, and a swaged axial edge opposite the annular ledge, and a plurality of arcuate magnet sectors having a radially uniform magnetic polarity, the plurality of magnets being bonded around the inner surface of the cylindrical magnet holder, each of the plurality of magnets having opposing axial edges, one of the axial edges being disposed on the annular ledge, and the other of the axial edges being captured by the swaged axial edge of the cylindrical magnet holder. The magnet ring assembly can be used in connection with a crycooler.
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