Rotating heat exchanger for a dryer

Details Rotating heat exchanger for a dryer Rotating heat exchanger for a dryer

1980-02-15

1982-11-30

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With waste gas heat and/or power conservers

34 35, 34133, F26B 1104

Patent

active

043609775

ABSTRACT:
A compact and lightweight rotary heat exchanger for transferring heat from a hot gas flow to a cold gas flow has a low mass matrix in the form of a wheel. The matrix is rotated at high speed into continuous consecutive contact with the respective hot and cold flows. A fixed splitter runs along a diameter of the inner circumference of the matrix in order to segregate the flows as they pass radially across the matrix. In combination with a domestic clothes dryer, the matrix is rotated directly on the drive shaft for the dryer's blower. The matrix wheel rotates between heated dryer exhaust air and incoming room air to preheat the dryer intake air.

REFERENCES:
patent: 2418239 (1947-04-01), Smith
patent: 2862434 (1958-12-01), Edwards
patent: 2865611 (1958-12-01), Bentele
patent: 2888248 (1959-05-01), Bubniak et al.
patent: 2958140 (1960-11-01), Smith
patent: 2964298 (1960-12-01), McIntosh et al.
patent: 4003138 (1977-01-01), Wicks
patent: 4047559 (1977-09-01), Asplund et al.
patent: 4063587 (1977-12-01), Stockman
patent: 4270282 (1981-06-01), Lotz

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