Importance

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Abstract

While venting clothes dryer heat outside may be acceptable during the summer months, it is desirable to reuse such heat once the outside temperature starts to fall. The disclosed heat recovery unit for a clothes dryer works towards meeting this need. The heat recovery unit may include a housing having a support box and a cover attached to the support box by a hinge. The cover may include an exhaust register and an indicator light cover through which a `clean filter now` light, a `low flow` light, and a `high temperature warning` light may be viewed when lit. The heat recovery unit also may include a controls box positioned in the support box, where the controls box maintains electronic intelligence of the recovery unit. A recovery unit fan may be positioned in the support box to blow room temperature air up through a heat exchanger in the support box. An internal bypass channel may channel clothes dryer air around and outside of the heat exchanger during hot days. A filter in the support box on an inlet side of the heat exchanger may filter out lint and dust and a catch pan located in the support box may catch condensate from a drip pan located in the support box on an exhaust side of the heat exchanger to catch condensate.

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First Claim