Viscous fluid heater

Details Viscous fluid heater Viscous fluid heater

1997-11-26

1998-09-22

Dority, Carroll B.

Stoves and furnaces

Heaters

Frictional

122 26, F24C 900

Patent

active

058099921

ABSTRACT:
A viscous fluid type heater including a heating chamber and a heat exchange chamber, which is adjacent to the heating chamber. The heating chamber contains viscous fluid and a rotor. The heat exchange chamber is connected to a coolant circuit. The rotor is rotated by a drive shaft to shear the viscous fluid and produce heat in the heating chamber. The heat is transferred to the heat exchange chamber from the heating chamber to heat coolant passing through the heat exchange chamber and circulating in the fluid circuit. The heating chamber has a rear wall. The rotor has a rear surface facing the rear wall. Viscous fluid located between the wall and the rotor is sheared when the rotor rotates. A support shaft is supported by the rotor. The support shaft is eccentrically coupled to the drive shaft, which forces the viscous fluid located between the wall and the rotor to be periodically displaced. This prevents prolonged heating of any part of the fluid, which extends the life of the fluid.

REFERENCES:
patent: 2991764 (1961-07-01), French
patent: 4480592 (1984-11-01), Gocken
patent: 4993377 (1991-02-01), Itakura
patent: 5573184 (1996-11-01), Martin

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