Liquid heaters and vaporizers – Water tube – Wall structure
Patent
1979-07-13
1981-02-03
Richter, Sheldon
Liquid heaters and vaporizers
Water tube
Wall structure
291573AH, 122367C, 138 38, 138177, 165177, 165184, F28F 140
Patent
active
042481791
ABSTRACT:
A heat transfer conduit is provided having a groove formed in its inner wall and a lip extending along the groove adjacent thereto. The lip and groove inhibit the formation of a vapor barrier between the tube inner wall and heat transfer fluid passed therethrough.
REFERENCES:
patent: 1110127 (1914-09-01), Gray
patent: 2491692 (1949-12-01), Shimek
patent: 2525092 (1950-10-01), Bruegger
patent: 3088494 (1963-05-01), Koch et al.
patent: 3217799 (1965-11-01), Rodgers
patent: 3885622 (1975-05-01), McLain
patent: 3930627 (1976-01-01), Miller
Foster Wheeler Energy Corporation
Herguth, Jr. John J.
Naigur Marvin A.
Richter Sheldon
Wilson John E.
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