Textiles: fluid treating apparatus – Machines – Combined
Patent
1983-09-29
1985-02-19
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Combined
68 18R, D06F 4308
Patent
active
044997434
ABSTRACT:
A clothing drycleaning machine of the so-called closed circuit type, has a pneumatic circuit for the drying and solvent recovering air which is always closed on the drum wherein clothing articles to be cleaned are introduced. The circuit comprises at least one air circulation fan, at least one evaporator of a refrigerating equipment for cooling the air coming from the drum and condensing the solvent therein contained, and at least one condenser in the refrigerating equipment arranged downstream of the evaporator for heating the air to be recirculated in the drum. To obtain optimum conditions for energy yield and to emphasize the solvent recovery phase, at least one heat exchanger is provided to carry-out a heat exchange between air flows upstream and respectively downstream of the evaporator of the refrigerating equipment; further, the refrigerating equipment comprises means for controlling the heating efficiency of its condenser and/or the refrigerating efficiency of its evaporator depending on the desired air temperatures and flow rates during the drying and solvent recovering phases.
REFERENCES:
patent: 2111618 (1938-03-01), Erbach
patent: 2418239 (1947-04-01), Smith
patent: 2676418 (1954-04-01), Shewmon
patent: 2961844 (1960-11-01), McGrath
patent: 3119239 (1964-01-01), Sylvan
patent: 3738117 (1973-06-01), Engel
patent: 4154003 (1979-05-01), Muller
Coe Philip R.
Maestrelli S.P.A.
Stinson Frankie L.
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