Heat exchange – Gradated heat transfer structure – Tapered conduit means
Patent
1981-12-10
1988-08-09
Davis, Jr., Albert W.
Heat exchange
Gradated heat transfer structure
Tapered conduit means
165167, 165166, F28F 1308, F28F 308, B01D 122
Patent
active
047621710
ABSTRACT:
A plate evaporator comprises several heat exchange plates arranged substantially vertically in spaced face-to-face relationship to define between the plates evaporation passages alternating with heating medium passages. An increasing cross-sectional area and a decreasing perimeter of the evaporation passages are achieved by so arranging the two heat transfer surfaces of adjacent plates defining an evaporation passage that they diverge from each other in the flow direction of the medium to be evaporated and by decreasing the width of said heat transfer surfaces in said direction.
REFERENCES:
patent: 8487 (1851-11-01), Ingalls
patent: 1689927 (1928-10-01), Newhouse
patent: 2872165 (1959-02-01), Wennerberg
patent: 3117624 (1964-01-01), Wennerberg
patent: 3175962 (1965-03-01), Holtslag
patent: 3412777 (1968-11-01), Donell et al.
patent: 3724523 (1973-04-01), Mattern
patent: 4301864 (1981-11-01), Kivikas et al.
Bolmstedt Ulf
Hallstrom Bengt
Johansson Bjorn-Olow
Olsson Olle
Alfa-Laval AB
Davis Jr. Albert W.
Ford John K.
Hapgood Cyrus S.
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