Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1986-03-31
1987-05-19
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 35, 34 86, 34131, 34133, F26B 304, F26B 1104
Patent
active
046656286
ABSTRACT:
A clothes dryer operating with a very high volume of air flow across the clothes thereby enabling a high percentage of air recirculation without sacrifice to drying time or efficiency. A cylindrical clothes drum is surrounded by an air tight casing. Radial perforations are formed along the entire cylindrical wall of the drum. Drying air is forced axially into the drum and radially expelled through the perforations. By expelling the air through the total area of all perforations, a high air flow is maintained without increasing exit velocity. The expelled air is drawn back between the drum and casing towards the drum air inlet. Over 80% of the expelled air is recirculated back into the drum resulting in expelled air having a high water vapor content. Consequently, the energy per pound of exhaust air is increased sufficiently to heat water for direct use in washing machines. In another embodiment, the high air flow is used to advantage with a lower percentage of recirculation to achieve reduced drying time.
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Clark William R.
Raytheon Company
Schwartz Larry I.
Sharkansky Richard M.
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