Elevator motor with flat construction
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United States of America Patent
Stats
-
Jul 21, 1998
Issued Date -
N/A
app pub date -
Apr 3, 1995
filing date -
Apr 7, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An elevator motor (2) employing permanent magnets (30) attached in a circle on the surface (36) of the rotor disc (12). The rotor disc (12) forms part of both the magnetic circuit and the supporting structure of the rotor (13). The permanent magnets (30) are placed in a separate cavity formed in the stator disc and having one side open, the cavity also housing the stator windings (17). The outer cavity wall directed towards the rotor disc (12) is provided with a sealing member to close the cavity.
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Family
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Cited Art Landscape
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