Ball-measuring system for self-cleaning heat exchanger

Details Ball-measuring system for self-cleaning heat exchanger Ball-measuring system for self-cleaning heat exchanger

1984-03-16

1985-11-26

Cline, William R.

Heat exchange

With cleaning means for heat exchanger

134 8, 15 35, F28G 112

Patent

active

045549656

ABSTRACT:
A tube-type heat exchanger having inlet and output conduits and tubes connected therebetween, and a return conduit extending from the output to the inlet conduit is traversed by a coolant liquid from the intake to the output conduit through the tubes. Balls are released into the intake conduit from the return conduit and pass with the coolant through the tubes to clean same. These balls are trapped in the output conduit and introduced back into the return conduit where each ball's momentum is measured and an output corresponding thereto is generated. This output is compared with a set-point signal corresponding to minimum acceptable ball momentum, and any ball whose momentum is below the minimum momentum is withdrawn from the return conduit and replaced in the conduits with a fresh ball.

REFERENCES:
patent: 3872920 (1975-03-01), Honma et al.
patent: 4314604 (1982-02-01), Koller
patent: 4420038 (1983-12-01), Okouchi et al.

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