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US 2014/0109763 A1Published application
Control system for an air operated diaphragm pump
AssigneeProportion-Air, Inc.
InventorsDavid A. Reed, Timothy D. Hogue
Life of this patent
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Abstract
The present invention includes methods and apparatuses for operating and controlling AOD pumps (10, 10′, 10″, 100, 460, 580, 740) and other pumps.
Claims1
A pump including:
- first and second chambers, each chamber including a diaphragm, the diaphragms being coupled together;
- a pressure sensor positioned to detect in at least one of the first and second diaphragm chambers and to output a fluid signal relating thereto;
- and
- a non-electric controller configured to monitor the fluid signal to detect the position of the diaphragms.
1 more element
Dependencies are inferred from the claim text.