F - Mech Eng,Light,Heat,Weapons – 03 – C
Patent
F - Mech Eng,Light,Heat,Weapons
03
C
F03C 1/28 (2006.01) B01D 61/06 (2006.01) F04B 9/117 (2006.01)
Patent
CA 2328031
An energy recovery device comprises at least one cylinder, a piston slidable in the cylinder, first valve means for selectively connecting one end of the cylinder to waste liquid at a first relatively high pressure and to drain and second valve means for allowing feed liquid to enter the other end of the cylinder at a second lower pressure via a feed liquid entry port and to be discharged via a feed liquid discharge port from said other end of the cylinder in response to movement of the piston caused by waste liquid entering said one end of the cylinder. Also, means, such as a rod which extends from the other end of the cylinder and into but not through the piston, ensures that the area of the piston acting on the feed liquid is less than the area of the piston acted upon by the waste liquid so that the piston acts as a pressure intensifier to discharge feed liquid through the feed liquid discharge port at a higher pressure than the pressure of waste liquid entering said one end of the cylinder.
Calder Limited
Marks & Clerk
LandOfFree
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