Viscous fluid type heat generator with means for impeding degrad

Details Viscous fluid type heat generator with means for impeding degrad Viscous fluid type heat generator with means for impeding degrad

1997-11-12

1999-08-03

Walberg, Teresa

Liquid heaters and vaporizers

Friction generator

126247, F22B 306

Patent

active

059311223

ABSTRACT:
A viscous fluid type heat generator including a housing assembly in which a heat generating chamber confining therein a heat generative viscous fluid to which a shearing action is applied by a disc-like rotor element rotated by a drive shaft, and having inner wall surfaces confronting outer surfaces of the disc-like rotor element, the inner wall surfaces of the heat generating chamber and the outer faces of the rotor element defining small fluid holding and/or heat generating gaps in which the viscous fluid is filled so that it is forced to make a circulatory movement within the heat generating chamber by the rotating rotor element via at least one through-passage which is arranged to pierce the outer surfaces of the disc-like rotor element, and have either an obliquely extending through-bore of which the center line extends along the rotating direction of the rotor element, or an axially linear through-bore having a sloping recess formed in at least one of the opposite bore ends to obliquely extend in a direction along the rotating direction of the rotor element, and an acute edge portion able to increase the shearing force applied to the viscous fluid.

REFERENCES:
patent: 4312322 (1982-01-01), Freihage
patent: 4974778 (1990-12-01), Bertling
patent: 5573184 (1996-11-01), Martin

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