DIAPHRAGM PUMP POSITION CONTROL WITH OFFSET VALVE AXIS

A diaphragm pump, comprising a diaphragm. (33) movable between first and second positions along a first axis; a pumping chamber (24) on one side of the diaphragm the pumping chamber adapted to carry a fluid to be pumped; a transfer chamber (20) on the other side of the diaphragm, the transfer chambe...

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Bibliographic Details
Main Author HEMBREE RICHARD D
Format Patent
LanguageEnglish
Korean
Published 03.03.2010
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:A diaphragm pump, comprising a diaphragm. (33) movable between first and second positions along a first axis; a pumping chamber (24) on one side of the diaphragm the pumping chamber adapted to carry a fluid to be pumped; a transfer chamber (20) on the other side of the diaphragm, the transfer chamber being filled with a hydraulic fluid; first and second one-way valves;.a fluid reservoir in fluid communication with the transfer chamber via the first and second valves; and a valve spool (42) positioned in the transfer chamber control fluid flow through the first and second valves, the valve spool moveable along a second axis that is different from the first axis^ between a plurality of positions relative to openings to the first and second valves.
Bibliography:Application Number: KR20097025154