F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/22
F28F 1/10 (2006.01) F28F 3/04 (2006.01)
Patent
CA 1119159
ABSTRACT OF THE DISCLOSURE A tube-and-plate heat exchanger comprises a plura- lity of plain tubes intended for one of the heat carriers to pass therethrough, which tubes are arranged in paral- lel rows and are received in broachod holes of cooled plates. In cross section the plates are pro-filed so as to form, in the flow direction of another, for example, gaseous heat carrier, continuous symmetric wave line, thereby forming a passage of undulatory shape for the gaseous heat carrier to flow therethrough. Projections and depressions of one plate face respective projections and depressions of another adjacent plate, thereby for- ming continuously alternating divering-converging sections of passages. The projections and depressions of the cooled plates mate with rectilinear sections which have the same angle of inclination to the axis of symmetry of the cross-sectional wave line, ranging from 8 to 45 deg. The bending radius at the mating place of projections and depressions is not more than twenty times the thick- ness of the cooled plate material. To ensure good ther- mal contact between the plain tubes and the cooled plates, which is obtained by sintering, edges of the broached holes are formed throughout their surfaces around the periphery of each tube. The heat exchanger of the in- vention, intended for use as a water-air cooler, is smal- ler m size and weight, being, all other conditions equal, highly resistant to contamination, preventing air- suspended particles of dust and dirt from penetrating to the air space thereof.
336275
Averkiev Leonid A.
Dubrovsky Evgeny V.
Martynova Natalia I.
Averkiev Leonid A.
Dubrovsky Evgeny V.
Marks & Clerk
Martynova Natalia I.
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