Sealing plate support

Regenerative heat exchange apparatus including a cylindrical rotor shell and a central rotor post concentrically arranged to provide an annular space therebetween, a mass of heat absorbent material carried in the annular space of the rotor, a housing surrounding the rotor in spaced relation including fixed connecting plates at opposite ends of the rotor having inlet and outlet ducts for a heating fluid and a fluid to be heated, sector-shaped sealing plates intermediate the rotor and adjacent connecting plate adapted to preclude by-passing the rotor by said fluids, plate adjusting means connecting the sealing plates to the housing structure for movement axially between a connecting plate and the rotor including an aperture extending through said connecting plate, a rigid cylindrical housing affixed to the outboard side of the connecting plate around the periphery of said aperture, a threaded actuating rod attached to said sealing plate and extending through the cylindrical housing, and an adjusting nut threaded to said actuating rod and adapted to bridge the annular space lying intermediate the actuating rod and the cylindrical housing to move the actuating rod and the sealing plate connected thereto axially into an axial relationship that precludes fluid flow between the end of the rotor and said sealing plate when the adjusting nut is rotated about the threaded actuating rod.