Electromagnetically-operated fixed displacement pump
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United States of America Patent
Stats
-
Jun 9, 1981
Grant Date -
N/A
app pub date -
Mar 30, 1979
filing date -
Apr 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an electromagnetically-operated fixed displacement pump, a lubricating oil storage tank and a communicating hole with one end opening upon the bottom of the tank are formed in a pump body, the other end of the hole in the pump body communicating with one end of another communicating hole extending through a movable armature in the axial direction thereof, the other end of the communicating hole in the armature opening into an electromagnetic gap between a fixed armature and the movable armature.
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