Rotor construction

Claim 1

A ROTOR FOR A REGENERATIVE HEAT EXCHANGER COMPRISING AN IMPERFORATE CIRCULAR END PLATE AND AN AXIALLY ALIGNED ANNULAR END PLATE ARRANGED IN SPACED PARALLEL PLANES; A FIRST SERIES OF UNIFORMLY SPACED DIAPHRAGM BARS FIXEDLY SECURED AT OPPOSITE ENDS TO THE ANNULAR END PLATE AND THE CIRCULAR END PLATE TO PROVIDE THEREWITH A REEL-LIKE FRAMEWORD; A CONTINUOUS ANNULAR HEAT ABSORBENT MATRIX CARRIED BY SAID FRAMEWORK HAVING RADIAL PERFORATIONS THAT PERMIT THE FLOW OF GAS AND AIR THERETHROUGH; AN ANNULAR GASKET BETWEEN EACH END OF SAID ANNULAR MATRIX AND ITS ADJACENT END PLATE; A SECOND SERIES OF UNIFORMLY SPACED DIAPHRAGM BARS RADIALLY ALIGNED WITH SAID FIRST SERIES OF DIAPHRAGM BARS AND LYING IN ABUTMENT WITH AN ANNULAR SURFACE OF SAID MATRIX, SAID SECOND SERIES OF DIAPHRAGM BARS HAVING AXIALLY MOVABLE CONNECTIONS BETWEEN THEIR ENDS AND THE ADJACENT END PLATES TO PERMIT AXIAL ELONGATION OF SAID BARS WITHOUT INDUCING DEFORMATION OF SAID FRAMEWORK.