Rotary heat exchanger with circumferential passages

Details Rotary heat exchanger with circumferential passages Rotary heat exchanger with circumferential passages

1985-01-22

1986-11-11

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

Hollow strirrer or scraper

165120, F28F 500

Patent

active

046216847

ABSTRACT:
The heat exchanger is composed of a plurality of heat conducting finned discs materially shaped and joined to form concentrically and annularly disposed, circumferential passages for isolated flow of fluid streams in indirect countercurrent, cocurrent, and series heat exchange relationship. The circumferential passages are provided with axial flow apertures for axial transport of fluid streams through the rotary heat exchanger and enable recovery of the mechanical energies transferred to the fluid streams by the rotative surfaces. The energy recovery feature facilitates high speed designs in which large relative velocities are maintained between the fluid streams and rotative surfaces. Enhanced heat transfer with low friction losses is achieved.

REFERENCES:
patent: 3260306 (1966-07-01), Laing
patent: 3800865 (1974-04-01), Onarheim et al.
patent: 3923097 (1975-12-01), Hourd
patent: 3951206 (1976-04-01), Williams et al.
patent: 3989101 (1976-11-01), Manfredi
patent: 4301860 (1981-11-01), Pozzi

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