Pumping device, particularly suitable for compressing fluids...

Details Pumping device, particularly suitable for compressing fluids... Pumping device, particularly suitable for compressing fluids...

F - Mech Eng,Light,Heat,Weapons

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F04B 43/10 (2006.01) F04B 43/00 (2006.01) F04B 43/113 (2006.01)

Patent

CA 1307700

"IMPROVED PUMPING DEVICE, PARTICULARLY SUITABLE FOR COMPRESSING FLUIDS ON DEEP SEA-BOTTOMS" Abstract Hydraulic-exchange pumping device comprising two containers or tanks, inside each of which there are defined: a chamber for the product to be pumped, which is respectively connected, through a delivery valve and a suction valve, to the lines of delivery and of intake of the product to be pumped, as well as a chamber for the hydraulic drive fluid, which is connected to a pump through a four-way, three-position distribution box. This partitioning is accomplished by means of an internal elastic membrane having a decreasing thickness from the its peripheral edge towards its central zone, which can be also equipped with a strengthening cloth embedded inside it, as well as with a set of metal rings having a cross-section surface area decreasing towards the centre of the same membrane.

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