Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1984-08-02
1986-04-22
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
Rotary drum
16510426, 165907, 122366, F28D 1500
Patent
active
045835829
ABSTRACT:
A system for transferring heat from a first (inner) surface through a second (outer) surface. The system includes at least two adjacent porous and thermally conductive layers between the first surface and the second surface. The innermost layer is characterized by a relatively high porosity and the outermost layer is characterized by a relatively low porosity. The innermost layer houses a fluid coolant. The pores of the innermost and outermost layers are coupled, permitting coolant flow therebetween. A vapor chamber is positioned between the outer surface and an outer member. A controller is adapted to control the vapor pressure in the vapor chamber whereby the coolant has a liquid vapor phase transition in the outermost layer.
REFERENCES:
patent: 3525670 (1970-08-01), Brown
patent: 3948316 (1976-04-01), Sourian
Davis Jr. Albert W.
The Charles Stark Draper Laboratory Inc.
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