Solenoid pump adapted for noiseless operation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 29, 1981
Grant Date -
N/A
app pub date -
Jul 18, 1978
filing date -
Jul 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solenoid-actuated fluid pump having reciprocable armature operable by a magnetic circuit and with structure in the flux path at the upper and lower air gaps to substantially change the reluctance across the air gaps as the armature moves beyond a predetermined location. The armature has slots for passage of fluid therethrough and which have a C-shaped cross-section to minimize the air gaps.
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Family
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