Microvalve and microthruster for satellites and methods of making and using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 30, 2000
Grant Date -
N/A
app pub date -
Jun 7, 1996
filing date -
Jun 9, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A microvalve and microthruster are provided. Both include a housing with an interior in which an armature can travel and abut a valve seat to provide an electromagnetic valve. The armature acts as a valve body that is maintained in a or normally closed position by a permanent magnet, and is opened by interaction with a selectively activatable electromagnet. A microthruster is provided by fashioning the valve discharge as a nozzle, preferably of a material that is permanently and selectively magnetizable, so that the nozzle functions as the permanent magnet and which magnetism can be adjusted to assure proper opening and closing of the valve portion. The valve body is guided without any sliding fit mechanism and is suitable for controlling gas or liquid fluid flows.
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