Heat generator

Details Heat generator Heat generator

1998-09-04

2000-04-11

Walberg, Teresa

Liquid heaters and vaporizers

Friction generator

126247, 237 123R, F22B 306

Patent

active

060476664

ABSTRACT:
A heat generator has a heating chamber and a pair of heat exchange chambers located adjacent to the heating chamber. The heating chamber includes inner walls and accommodates viscous fluid. A rotor is located in the heating chamber and has shearing surfaces facing the inner walls of the heating chamber. The rotor is rotated for shearing the viscous fluid that occupies the clearance between the inner walls of the heating chamber and the working surfaces thereby generating heat. Each inner wall includes a center region, which is located in the vicinity of the axis of the rotor, and a peripheral region, which surrounds the center region. Heat generated in the heating chamber is transferred to the heat exchange chambers and heats circulating fluid in the heat exchange chambers. Each inner wall includes grooves extending radially from the peripheral region to the center region. Each groove includes a bottom and a pair of side walls. The cross-section of each groove is U-shaped, without sharp corners, to prevent flow disturbances in the groove and to prevent wear of the mold that forms the grooves.

REFERENCES:
patent: 4285329 (1981-08-01), Moline
patent: 4733635 (1988-03-01), Menard et al.
patent: 5755379 (1998-05-01), Ito
patent: 5788151 (1998-08-01), Moroi et al.

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