Viscous fluid type heat generator with means for maintaining opt

Details Viscous fluid type heat generator with means for maintaining opt Viscous fluid type heat generator with means for maintaining opt

1996-08-30

1998-03-17

Yuen, Henry

Internal-combustion engines

With heating means

122 26, 126247, F22B 306

Patent

active

057275106

ABSTRACT:
A viscous fluid type heat generator adapted for being incorporated in a heating system has front and rear housings in which a heat generating chamber containing therein a viscous fluid and a heat receiving chamber permitting a heat exchanging liquid to flow therethrough. The heat generator also has a drive shaft rotatably supported by an anti-friction bearing unit and having mounted thereon a rotor element rotating in the heat generating chamber to apply a shearing action by which the viscous fluid generates heat absorbed by the heat exchanging liquid flowing in the heat receiving chamber. The heat generator has an intermediate substance unit arranged between the heat generating chamber and the anti-friction bearing unit so as to provide a thermal isolation therebetween. The intermediate substance unit may be a shaft sealing unit, a closed vacant chamber or a combination of the shaft sealing unit and the closed vacant chamber.

REFERENCES:
patent: 4974778 (1990-12-01), Bertling
patent: 4993377 (1991-02-01), Itakura et al.
patent: 5573184 (1996-11-01), Martin

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