Vacuum-assisted rapid fabric dryer and method for rapidly drying

Details Vacuum-assisted rapid fabric dryer and method for rapidly drying Vacuum-assisted rapid fabric dryer and method for rapidly drying

1991-01-22

1992-07-21

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 92, 34133K, 34 53, 34133L, F26B 504

Patent

active

051311690

ABSTRACT:
A vacuum-assisted drying apparatus and method are provided for rapidly drying fabrics. A rotatable drum is enclosed in a nearly hermetic region. A valve is attached to an inlet of the region; a compressor is attached to an exit of the region. With the valve closed, the compressor reduces the pressure within the region to the saturated pressure of water at the temperature of the fabrics. At this point, free moisture in the fabrics evaporates. Continued operation of the compressor removes the vaporous moisture from the system. After most of the free water vapor has been depleted, the valve is opened to allow heated air to flow through the drum and to dry the remaining bound moisture.

REFERENCES:
patent: 3030712 (1962-04-01), Lambert
patent: 3229382 (1966-01-01), Lambert
patent: 3308553 (1967-03-01), Lambert
patent: 4057907 (1977-11-01), Rapino et al.
patent: 4447965 (1984-05-01), Bray
patent: 4615125 (1986-10-01), Wyborn
patent: 4817298 (1989-04-01), Toma

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