Rotor construction

Claim 1

FOR A HEAT EXCHANGER OF THE KIND DESCRIBED, A ROTOR COMPRISING A FIRST ANNULAR RING AND A SECOND ANNULAR RING DISPOSED IN LONGITUDINALLY SPACED RELATION, EACH OF SAID RINGS HAVING A CIRCUMFERENTIAL GROOVE DISPOSED ON THE INWARD SIDE BETWEEN THE INNER AND OUTER PERIPHERIES THEREOF, EACH OF SAID RINGS HAVING A PLURALITY OF RADIAL SLOTS DISPOSED IN EQUIDISTANT RELATION ON THE INWARD SIDES THEREOF, SAID RADIAL SLOTS IN SAID FIRST RING BEING POSITIONED IN COMPLEMENTARY RELATION WITH SAID RADIAL SLOTS ON SAID SECOND RING, A PLURALITY OF LONGITUDINALLY EXTENDING TIE-BARS HAVING A TAPERED CROSS-SECTION IN A RADIAL DIRECTION, ONE END OF EACH OF SAID TIE-BARS BEING REMOVABLY SECURED IN ONE SLOT OF SAID FIRST RING IN RIGID RELATION AND THE OTHER END BEING REMOVABLY SECURED IN A COMPLEMENTARY SLOT IN SAID SECOND RING IN RIGID RELATION, SAID TIE-BARS AND SAID RINGS FORMING A RIGID CAGE HAVING A PLURALITY OF SECTORSHAPED OPENINGS, A PLURALITY OF SECTOR-SHAPED MATRICES ONE OF SAID MATRICES BEING DISPOSED IN EACH OF SAID OPENINGS OF SAID CAGE IN REMOVABLY SECURED RELATION, EACH OF SAID MATRICES HAVING A PLURALITY OF LONGITUDINALLY DISPOSED MATRIX LEAVES IN CIRUMFERENTIALLY ABUTTING RELATION FORMING A SECTOR, EACH OF SAID LEAVES BEING SUBSTANTIALLY RECTANGULAR SHAPE, ONE END OF EACH LEAF HAVING A FIRST PROJECTION SLIDABLY ENGAGED IN SAID CIRCUMFERENTIAL GROOVE OF SAID FIRST RING AND THE OTHER END HAVING A SECOND PROJECTION SLIDABLY ENGAGED IN SAID CIRCUMFERENTIAL GROOVE OF SAID SECOND RING FOR PREVENTING MOVEMENT OF SAID LEAF IN A RADIAL DIRECTION, EACH LEAF CONSISTING OF A CORRUGATED ELEMENT SECURED ON ONE SIDE THEREOF TO ONE SIDE OF A PLATE MEMBER, SAID CORRUGATED ELEMENT HAVING ITS CORRUGATIONS IN PARALLEL RELATION EXTENDING IN A SUBSTANTIALLY RADIAL DIRECTION, SAID PLATE MEMBER HAVING LONGITUDINALLY EXTENDING CHANNELS, SAID CHANNELS BEING FORMED TO PROVIDE OUTER SURFACES ON THE OTHER SIDE OF SAID PLATE IN A RADIAL PLANE COINCIDING WITH THE AXIS OF ROTATION OF SAID CAGE, SAID CORRUGATED ELEMENT OF EACH LEAF BEING POSITIONED IN ABUTTING RELATION WITH THE PLATE MEMBER OF AN ADJACENT LEAF WHEREBY EACH OF SAID CORRUGATED ELEMENTS PROVIDES A PLURALITY OF SUBSTANTIALLY RADIAL PASSAGES FOR FLUID FLOW THERETHROUGH IN HEAT EXCHANGING RELATION.