Method and apparatus for producing friction heat

Details Method and apparatus for producing friction heat Method and apparatus for producing friction heat

1980-03-20

1985-02-19

Green, Randall L.

Stoves and furnaces

Heaters

Frictional

F24C 900

Patent

active

044999135

ABSTRACT:
A friction heater having a heat insulative housing containing inner and outer members with at least one member mounted for rotation relative to the other on a common vertical axis, causes oil to rise up into an annular liquid chamber between the members during rotation to generate friction heat. The inner and outer members are of heavy heat conductive material and are of cup shaped configuration, preferably inverted, to receive the electric motor drive in the resulting, central axially extending space. The outer member has an inner side wall within the cup shaped inner member and the housing has an inner side wall within the members to guide air in a flow path over the motor.

REFERENCES:
patent: 1228215 (1917-05-01), Junkers
patent: 4143639 (1979-03-01), Frenette
patent: 4365614 (1982-12-01), Grover

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