Viscous fluid type heat generator with heat-generation performan

Details Viscous fluid type heat generator with heat-generation performan Viscous fluid type heat generator with heat-generation performan

1998-03-23

1999-03-09

Paschall, Mark H.

Heating systems

Heat and power plants

Vehicle

122 26, 126247, 237 123B, B60H 102

Patent

active

058789510

ABSTRACT:
A viscous fluid type heat generator having a heat generating chamber in which heat generation by the viscous fluid is carried out in response to the rotation of a rotor element applying a shearing action to the viscous fluid, a heat receiving chamber in which heat exchanging liquid flows to receive heat from the heat generating chamber, a heat generation control chamber containing the viscous fluid to be supplied into the heat generating chamber and receiving the viscous fluid withdrawn from the heat generating chamber. The heat generator has a fluid supplying passage for supplying the viscous fluid from the heat generation control chamber into the heat generating chamber, a fluid withdrawing passage for withdrawing the viscous fluid from the heat generating chamber into the heat generation control chamber, and a flap valve deformable to open and close one of the fluid supplying and fluid withdrawing passages in response to a change in the heating requirements. The flap valve cooperates with a valve seat having a construction to reduce surface tension of the viscous fluid acting on the flap valve to thereby promote accurate and quick valve action of the flap valve.

REFERENCES:
patent: 4974778 (1990-12-01), Bertling
patent: 4993377 (1991-02-01), Itakura
Japanese Unexamined Utility Model Publication (Kokai) No. JU-A-3-98107.

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