Portable electric space heater with air cooled outer wall surfac

Details Portable electric space heater with air cooled outer wall surfac Portable electric space heater with air cooled outer wall surfac

1992-08-05

1993-08-10

Bartis, Anthony

Electric resistance heating devices

Heating devices

Convection space heater

392342, 392374, F24H 300, F24H 902

Patent

active

052356680

ABSTRACT:
An electric heater with thermal self-circulation of the room-air which is heated by means of electric resistors (7) placed in the core (6) of the heater. The heater is made of three or four casing elements (1) at the corners of which vertical gables (2) form frames for air slots (3) through which some of the room-air flows into the heater where a vertical separation wall (4) partly conducts air through air slots (5) between metal sheets (9A) and (9B) to the core (6) of the heater and partly to the channel (8) between casing element (1) and metal sheets (9A) and (9B) which is open at its upper and lower end to vertical air-flow on the outside around the core (6) when electric resistors (7) are activated for cooling the outer wall surfaces of the heater.

REFERENCES:
patent: 3337715 (1967-08-01), Finn
patent: 3400248 (1968-09-01), Isomaa
patent: 3530277 (1970-09-01), Kujansuu
patent: 3531623 (1970-09-01), Teeri

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