F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/130, 103/7
F04B 49/00 (2006.01) F04F 1/00 (2006.01) F04F 1/02 (2006.01) F04F 5/48 (2006.01) F04F 5/54 (2006.01)
Patent
CA 2025922
ABSTRACT OF THE DISCLOSURE A compressed air-actuated pump includes a venturi nozzle to create a vacuum condition within a fluid-tight pump body to pump in a liquid or slurry. When a given level of liquid is pumped in, a control circuit closes a flexible sleeve of a pneumatically actuated pinch valve positioned in an exhaust passageway of the venturi nozzle. Upon closing of the pinch valve, the exhaust stream from the venturi nozzle is diverted into the pump body to create a pressurized condition therein whereby the liquid or slurry previously accumulated therein is pumped out. The pump also includes a pair of variable flow control valves for independently adjusting the flow rates of compressed air through the venturi nozzle in the vacuum, pump-in and in the pressurized, pump-out cycles. Solid state opto-electronic liquid level sensors or appropriate pneumatic, electric or electro- pneumatic timing devices are employed to signal the opening and closing of the pinch valve. The flexible sleeve of the pinch valve, as well as all other parts in the pump are constructed of chemically-resistant materials to permit the pumping of erosive, corrosive and abrasive liquids and slurries.
Divito Anthony M.
Giesecke Lee H.
Global Pumps Inc.
Sim & Mcburney
LandOfFree
Air operated vacuum pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Air operated vacuum pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air operated vacuum pump will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1435408