Heat exchange – With first fluid holder or collector open to second fluid
Patent
1993-07-20
1995-01-10
Davis, Jr., Albert W.
Heat exchange
With first fluid holder or collector open to second fluid
165132, 165160, 165163, 62506, 623241, F28B 102, F25B 3904, F25B 3902
Patent
active
053798325
ABSTRACT:
The heat exchanger is made up of a shell having a coaxial tubular outer and inner wall with end plates attached thereto to enclose a tubular shell cavity provided with an inlet and outlet for a first fluid. Within the shell cavity is a spiral coil of tubing through which flows a second fluid. The coil is wound helically about the axis of the shell and sized to fit the inner and outer walls with limited radial clearance. The coils are axially spaced from one another to define a spiral flow path within the shell cavity for the fluids to first flow. The radial and axial clearance establish a spiral flow path and an axial flow path which are relatively sized to cause the first fluid to travel in a spiral motion, thereby enhancing heat transfer between the first and second fluids. Also, an enclosed central receiver, include communication with the shell cavity, may be formed within the inner tubular wall which serves as a fluid accumulator or reservoir.
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patent: 3269135 (1966-08-01), Chubb et al.
patent: 3545228 (1970-12-01), Dinger et al.
patent: 4365483 (1982-12-01), Binger
patent: 4495989 (1985-01-01), Sievers
patent: 4530219 (1985-07-01), Aleksandrow
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patent: 4865124 (1989-09-01), Dempsey
patent: 5088192 (1992-02-01), Dempsey
Aqua Systems Inc.
Davis Jr. Albert W.
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