Electromagnetic valve actuator
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United States of America Patent
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-
Nov 25, 2003
Grant Date -
N/A
app pub date -
Apr 4, 2001
filing date -
Oct 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The electromagnetic valve actuator has an armature (22) of ferromagnetic material fixed to the stem of the valve, springs are provided to hold the valve at rest in a middle position between a fully open position and a closed position, and a single coil (38) is mounted on a ferromagnetic circuit. In combination with the armature, the magnetic circuit presents two stable magnetic flux paths both of which correspond to an airgap of small size.
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Cited Art Landscape
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