Rotor for an electric drive motor of a refrigerant compressor
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United States of America Patent
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Mar 17, 2015
Grant Date -
Oct 8, 2009
app pub date -
Mar 26, 2009
filing date -
Apr 4, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention concerns a rotor (1) for an electric drive motor of a refrigerant compressor with a cylinder ring (2), several permanent magnets (14) resting on the radial inside of the cylinder ring (2), each permanent magnet (14) forming a ring section, and fixing elements (15) between the permanent magnets (14), said fixing elements (15) engaging a fixing geometry (4, 16) of the cylinder ring (2). It is endeavoured to simplify the manufacturing of such a rotor. For this purpose, the cylinder ring (2) is located in a carrier (5), which comprises a bottom (6) and a circumferential wall (7), the permanent magnets (14, 14a, 14b) resting on the bottom (6), and each fixing element (15, 15a, 15b) comprising at least one projection (17, 18), which covers a side (24) of the permanent magnet (14, 14a, 14b) facing away from the bottom (6).
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