Apparatus for frictionally heating liquid

Details Apparatus for frictionally heating liquid Apparatus for frictionally heating liquid

1987-08-04

1989-01-17

Warner, Steven E.

Liquid heaters and vaporizers

Friction generator

126247, 237 1R, F22B 306

Patent

active

047981768

ABSTRACT:
An impeller for frictionally heating liquid is arranged that upon rotation thereof in a liquid reservoir, liquid is forced from the exterior of the impeller through passages having restricted orifices therein to an inner outlet cavity closed on one side and having an axial opening on the other. The impeller not only heats the liquid due to the shear friction of the liquid with its outer surface, but the liquid flowing through these passages is further heated as it is forced through the orifices. The impeller serves both as a friction heater and a pump to circulate heated liquid through an outlet port in the housing to a heat utilization device and back to an inlet port.

REFERENCES:
patent: 3063673 (1962-11-01), Johnson
patent: 3242908 (1966-03-01), Kopczynski
patent: 4480592 (1984-11-01), Gokcen
patent: 4596511 (1986-06-01), Weihrib
patent: 4664068 (1987-05-01), Kretchmari et al.

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