Regenerative devices

Claim 1

A REGENERATIVE DEVICE FOR USE AS A FAN, TURBINE PUMP, COMPRESSOR AND THE LIKE COMPRISING: (A) A ROTATING DISC SUPPORT MEMBER, (B) A PAIR OF IDENTICAL PARALLEL, SPACED DISCS MOUNTED FOR ROTATION ON SAID DISC SUPPORT MEMBER, (C) AN ANNULAR IMPELLER SECTION ON SAID DISCS INCLUDING VANES EXTENDING RADIALLY OUTWARD FROM EITHER SIDE OF THE MARGINAL AREA OF SAID DISCS, (D) SAID VANES HAVING LIKE CONFIGURATION, (E) A PAIR OF IDENTICAL ABUTTING ANNULAR CASINGS EACH HOUSING ONE OF SAID DISCS, (F) EACH OF SAID CASINGS INCLUDING A PAIR OF DISC HOUSING MEMBERS, (G) EACH DISC HOUSING MEMBER IN A PAIR HAVING ITS INSIDE FACE THE EXACT OPPOSITE OF THE INSIDE FACE OF THE OTHER DISC HOUSING MEMBER IN SAID PAIR AND ABUTTING SAID OTHER MEMBER IN FACE TO FACE CONTACT, (H) SAID CASINGS FORMING WITH SAID SUPPORTING DISC MEMBER A CENTRAL ANNULAR CHAMBER ABOUT SAID SUPPORTING DISC MEMBER, (I) EACH DISC HOUSING MEMBER INCLUDING AN ANNULAR INTERNAL FLANGE AND AN ANNULAR EXTERNAL FLANGE, (J) EACH PAIR OF DISC HOUSING MEMBERS HAVING THEIR EXTERNAL FLANGES IN ALIGNED ABUTTING FACE TO FACE RELATIONSHIP AND THEIR INTERNAL FLANGES IN ALIGNED SPACED RELATIONSHIP, (K) EACH PAIR OF SAID DISC HOUSING MEMBERS FORMING AN ANNULAR RECESS BETWEEN SAID FLANGES, (L) EACH OF SAID DISCS EXTENDING FROM SAID DISC MEMBER SUPPORT THROUGH SAID CENTRAL ANNULAR CHAMBER AND BETWEEN THE INTERNAL FLANGES OF A PAIR OF SAID DISC HOUSING MEMBERS AND SPACED SLIGHTLY FROM SAID INTERNAL FLANGES AND PROJECTING INTO SAID ANNULAR RECESS, (M) SAID DISCS HAVING THEIR IMPELLER SECTION LYING WHOLLY WITHIN SAID ANNULAR RECESS AND SPACED FROM THE WALLS THEREOF, (N) THE CROSS-SECTIONAL AREA OF SAID IMPELLER SECTION BEING SLIGHTLY LESS THAN THE MINIMUM CROSS-SECTIONAL AREA OF SAID ANNULAR RECESS, (O) SAID ANNULAR RECESS INCLUDING A SHORT RESTRICTED AREA SLIGHTLY GREATER IN CROSS-SECTION THAN THE CROSS-SECTIONAL AREA OF SAID IMPELLER SECTION, (P) SAID ANNULAR RECESS INCLUDING AN ENLARGED ARCUATE CHAMBER EXTENDING FROM ONE SIDE OF SAID RESTRICTED AREA TO THE OTHER SIDE OF SAID RESTRICTED AREA, (Q) EACH CASING HAVING AN INLET PORT ADJACENT ONE SIDE OF SAID RESTRICTED AREA LEADING FROM OUTSIDE SAID CASING INTO SAID ARCUATE CHAMBER AND A PAIR OF PORTS ON EITHER SIDE OF SAID IMPELLER SECTION ADJACENT THE OTHER SIDE OF SAID RESTRICTED AREA AND EXTENDING FROM SAID ARCUATE CHAMBER INTO SAID CENTRAL ANNULAR CHAMBER, (R) SAID DISCS HAVING IN THE REGION OF SAID CENTRAL ANNULAR CHAMBER FLUID TRANSFER PORTS TO PERMIT FLUID FLOW TO EITHER SIDE OF SAID IMPELLERS, (S) SAID CASINGS IN SAID REGENERATIVE DEVICE BEING REVERSIBLE TO TWO OPERABLE POSITIONS, ONE FOR DIRECTING FLUID FLOW IN A CLOCKWISE DIRECTION WHEN IN ITS FIRST POSITION AND IN A COUNTERCLOCKWISE DIRECTION WHEN IN ITS SECOND POSITION, (T) AND MEANS FOR CONTROLLING AND DIRECTING FLOW OF FLUID WITHIN SAID CENTRAL CHAMBER.