Patent ID: 6224345
Filing Date: 2001-05-01
Classification: F04F

Abstract:
In a system for recovering or transferring fluid from a first location to a second location, the improvement comprising:(a) a lumen for conveying an air stream from an upstream port of said lumen toward a downstream port of said lumen, said lumen including an orifice in the surface of said lumen located between said upstream port and said downstream port, said upstream port being coupled to an air pressure source;(b) a valve coupled in fluid communication with said downstream port for opening and closing off said downstream port;(c) a reservoir having a first port coupled to said orifice; and(d) said orifice pulling a vacuum in said reservoir for drawing fluid from the first location through a second reservoir port whenever said valve is open and said orifice pressurizing said reservoir to evacuate the fluid therein to the second location through a third reservoir port whenever said valve is closed, said lumen not being exposed to the fluid.