ENERGY STORAGE
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United States of America Patent
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N/A
Issued Date -
Sep 30, 2010
app pub date -
Mar 22, 2010
filing date -
Mar 25, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The energy storage has an electrical machine with a rotor and a stator. The stator is separated from the rotor by an air gap and has at least one stator coil which, under operating conditions, interacts with the rotor via a rotating field. In one variant, the rotor surrounds the stator and is adapted to rotate about the stator. Another variant provides for the rotor to surround the stator and to be adapted to rotate within the stator. The rotor is associated with a rotating mass with which it forms a cylindrical body with two end faces and a lateral surface. In the area of at least one of its end to faces—in the installed position of the energy storage, of the bottom end face—the cylindrical body has at least one permanent magnet which corresponds with at least one stationary permanent magnet of identical polarity.
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