Preheater for clothes dryer

Details Preheater for clothes dryer Preheater for clothes dryer

1988-10-14

1989-10-24

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With waste gas heat and/or power conservers

34133, F26B 1900

Patent

active

048752983

ABSTRACT:
An improved preheater for a clothes dryer delivers hot exhausted air from a dryer through a loop of tubing within a box-like housing for heat exchange with ambient air drawn through the housing. Valving is provided for selectively drawing ambient air to the housing either from conditioned space near the dryer, or from solar-heated attic space. The hottest run of the tubing loop is located downstream in the ambient air flow. In one form the box has a flanged open front for attachment over an air inlet grate located in the rear of a dryer. In another form, the box is separated from the dryer and an adapter is used to carry the preheated air to an air inlet of a dryer.

REFERENCES:
patent: 4003139 (1977-01-01), Van Winkle

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