Hot air blower having two porous materials and gap therebetween

Details Hot air blower having two porous materials and gap therebetween Hot air blower having two porous materials and gap therebetween

1997-05-13

1999-10-05

Jeffery, John A.

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

392379, F24H 300

Patent

active

059637099

ABSTRACT:
A hot air blower is provided having a first material, a second material, and a gap disposed between the two materials. The gap provides residence time in order for a gaseous flow delivered through the blower to become heated. The materials preferably comprise porous ceramic foam and provide a tortuous path for the gaseous flow. The preferred ratio of the volume of the materials to the volume of the gap is 3. The blower also preferably comprises a heating element for imparting heat to the gaseous flow, and a fan for creating the flow.

REFERENCES:
patent: 427574 (1890-05-01), Howard
patent: 2837623 (1958-06-01), Judson et al.
patent: 3104307 (1963-09-01), Garofalow et al.
patent: 3688083 (1972-08-01), Rice et al.
patent: 3934117 (1976-01-01), Schladitz
patent: 3965047 (1976-06-01), Yamaguchi
patent: 5117482 (1992-05-01), Hauber
patent: 5465573 (1995-11-01), Abe et al.

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