Heat transfer pipe

Details Heat transfer pipe Heat transfer pipe

1975-11-14

1977-08-30

Dority, Jr., Carroll B.

Pipes and tubular conduits

With flow regulators and/or baffles

Heat transfer

138 37, 165133, 165179, 165184, F28F 140, F28F 1302, F28F 1312

Patent

active

040447979

ABSTRACT:
A heat transfer pipe for use in a heat exchanger such as air conditioner, freezer and boiler, wherein grooves are formed in the inner wall surface of the pipe, which are by far finer in size than the grooves that have been provided for the purpose of increasing the heat transfer area in general, and slanting relative to the axis of pipe, to thereby improve the heat transfer rate without increasing the pressure loss caused to the fluid flowing through the pipe.

REFERENCES:
patent: 2279548 (1942-04-01), Bailey
patent: 3088494 (1963-05-01), Koch et al.
patent: 3217799 (1965-11-01), Rodgers
patent: 3273599 (1966-09-01), Heeren
patent: 3454081 (1969-07-01), Kun et al.
patent: 3457990 (1969-07-01), Theophilos et al.
patent: 3753364 (1971-02-01), Runyan et al.
patent: 3930627 (1976-01-01), Miller

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