Drying and gas or vapor contact with solids – Apparatus – With waste gas heat and/or power conservers
Patent
1977-02-15
1984-03-06
Yeung, James C.
Drying and gas or vapor contact with solids
Apparatus
With waste gas heat and/or power conservers
34 82, 34235, 55319, 55321, 55442, F26B 1900, B01D 5000
Patent
active
044345640
ABSTRACT:
A heat recovery device is adapted for placement in the heat exhaust vent pipe of a conventional clothes dryer. The device includes a scrubber for primary removal of lint from the dryer exhaust and a final filter means for removing small particles of lint remaining prior to allowing the warm, humid dryer exhaust air to pass into the atmosphere of the interior environment of a home. The scrubber includes a series of ducts opening into an enlarged plenum and a baffle plate in the plenum to inhibit streamlined flow of air allowing the lint to settle to the bottom of the plenum, and the final filter includes a series of expanded aluminum screens or mesh for positively prohibiting passage of lint into the atmosphere. A clean-out tray is provided at the bottom of the plenum to facilitate removal of lint from the plenum for disposal. The device also includes a bypass duct for passing the dryer exhaust air through the device and to the outside of the home and a valve for selectively directing the flow of air through the scrubber or through the bypass duct as desired.
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Reilly John E.
Yeung James C.
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