Convection blanket warmer

Details Convection blanket warmer Convection blanket warmer

1988-04-11

1989-09-19

Davis, Jr., Albert W.

Heat exchange

Flexible envelope or cover type

5284, 5423, 5469, 62261, 128376, 128402, A47C 2708, A47C 2710

Patent

active

048672300

ABSTRACT:
A convection blanket for warming persons lying thereon. The preferred embodiment has four layers, two outer insulating layers, and two inner layers of metallic foil. The inner metallic layers minimize heat loss across the length of the blanket. A unique pattern of pinholes in the top layers allows a larger volume of warm air to exit the blanket at the end opposite the air supply hose. All layers are stitched intermittently to avoid distension of the blanket, without defining clear channels, assuring uniform distribution of air within the blanket.

REFERENCES:
patent: 2504308 (1950-04-01), Konkle
patent: 2512559 (1950-06-01), Williams
patent: 2601189 (1952-06-01), Wales
patent: 2617915 (1952-11-01), Blair
patent: 2991627 (1961-07-01), Suits
patent: 3486177 (1969-12-01), Marshack
patent: 3602001 (1971-08-01), Bauer et al.
patent: 3867939 (1975-02-01), Moore et al.
patent: 4660388 (1987-04-01), Greene, Jr.

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