Heat exchange – Flow passages for two confined fluids
Patent
1981-10-28
1984-10-23
Richter, Sheldon J.
Heat exchange
Flow passages for two confined fluids
62 6, 165DIG8, 165DIG10, 165133, F28F 1318, F28F 2108
Patent
active
044782764
ABSTRACT:
A step-type heat-exchanger particularly useful for low temperature applications comprises a housing including a thermally-conductive member partitioning its interior into first and second chambers, and a sintered spongy layer of fine thermally-conductive particles bonded to each of the two opposite faces of the thermally-conductive member so as to be exposed for direct contact with a heat-exchange fluid when introduced into each of the two chambers. Also described are a method and apparatus for making the heat-exchanger, in which method and apparatus aluminum pressure plates are applied under heat and pressure to sinter the thermally-conductive particles to form the sintered spongy layers bonded to the opposite faces of the thermally-conductive member.
REFERENCES:
patent: 3794110 (1974-02-01), Severijns
patent: 3825064 (1974-07-01), Inoue
patent: 4064914 (1977-12-01), Grant
Efficient and Simple Step Heat Exchangers, Rosenbaum et al., Physica 107B (1981) pp. 593-594, North-Holland Publishing Co.
Frossati et al., Physics at Utralow Temperatures (Phys. Society of Japan, Tokyo (1978) 205.
Frossati, Proc. LTIS, J. de Physique lolloque C-6, vol. 111, (1978) 1578.
Breuer Ami S.
Rosenbaum Ralph L.
Barish Benjamin J.
Richter Sheldon J.
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