Internally temperature controlled heat blanket
First Claim
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1. A heat blanket comprising in combination:
- a layer of thermally conductive silicone containing a two-dimensional array of positive temperature coefficient (PTC) heating elements;
first and second layers of conductive mesh;
said layer of thermally conductive silicone containing a said two dimensional array of PTC heating elements sandwiched between said first and second layers of conductive mesh;
said first and second layers of conductive mesh providing electrical connections for said two-dimensional array of positive temperature coefficient (PTC) heating elements;
first and second layers of thermally conductive silicone;
said first and second layers of conductive mesh sandwiched between said first and second layers of thermally conductive silicone;
first and second thermal insulating layers; and
,said first and second layers of thermally conductive silicone sandwiched between said first and second thermal insulating layers.
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Abstract
An internally temperature controlled heat blanket. The heat blanket includes an outer layer of protecting foam fiberglass that affords operator safety, a layer of closed cell silicone foam which provides thermal and electrical insulation, a layer of thermally conductive mesh, another layer of thermally conductive silicone with holes cut into it, the holes containing positive temperature coefficient (PTC) heating elements, another layer of conductive mesh, a layer of thermally conductive silicone, and an inner layer of moderately conductive cured silicone or foam.
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Citations
10 Claims
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1. A heat blanket comprising in combination:
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a layer of thermally conductive silicone containing a two-dimensional array of positive temperature coefficient (PTC) heating elements; first and second layers of conductive mesh; said layer of thermally conductive silicone containing a said two dimensional array of PTC heating elements sandwiched between said first and second layers of conductive mesh; said first and second layers of conductive mesh providing electrical connections for said two-dimensional array of positive temperature coefficient (PTC) heating elements; first and second layers of thermally conductive silicone; said first and second layers of conductive mesh sandwiched between said first and second layers of thermally conductive silicone; first and second thermal insulating layers; and
,said first and second layers of thermally conductive silicone sandwiched between said first and second thermal insulating layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification