Patent ID: 6641336
Filing Date: 2003-11-04
Classification: B65G,D21C

Abstract:
A high pressure transfer device comprising:a pocketed rotor containing a plurality of through going pockets, said rotor rotatable about a given axis of rotation and said pockets having opposite end openings which function as both inlets and outlets depending upon the angular position of the rotor and said pockets are provided in at least first and second sets; a housing enclosing said rotor and having first through fourth ports disposed around an exterior periphery of the housing, wherein the first through fourth ports register with the inlets to and outlets from said pockets during rotation of the rotor; said rotor mounted in said housing for rotation with respect to said ports about said given axis of rotation; and said rotor having at least one conduit extending axially through the rotor and having openings at opposite ends of said rotor to provide pressure equalization at said opposite ends.