Thermal and shock resistant data recorder assembly

Details Thermal and shock resistant data recorder assembly Thermal and shock resistant data recorder assembly

1996-06-28

1998-01-13

Thompson, Gregory D.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

174 522, 206305, 206521, 206811, 220 881, 244 1R, H05K 720, H05K 504

Patent

active

057085650

ABSTRACT:
A thermal and shock resistant data recorder assembly as an outer container (1) containing an inner container (2) which in turn houses one or more data recorder elements (3). The elements (3) which have a thin conformal coating thereon are encapsulated in an innermost cavity (4) of the inner container (2) in an Ester wax material which absorbs heat when changing from a solid to a liquid. An outermost cavity (8) surrounds the innermost cavity (4) in the container (2) and in turn contains a first insulating material which gives off water vapor when heated to absorb heat. Surrounding the inner container (2) in the outer container (1) is a second insulating material. The Ester wax material is enabled to leak when liquid into the outer container and from thence, if necessary, to the exterior of the outer container. This permits pressure equalization. The first insulating material is provided with a fusible material plug which melts under heat and allows the vapor to escape to the exterior of the assembly.

REFERENCES:
patent: 3140847 (1964-07-01), Ames, Jr.
patent: 3181809 (1965-05-01), LoBelle
patent: 4694119 (1987-09-01), Groenewegen
patent: 4944401 (1990-07-01), Groenewegen
patent: 5123538 (1992-06-01), Groenewegen
patent: 5438162 (1995-08-01), Thompson et al.

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