Vacuum insulated walls for refrigerated containers and trailers

Details Vacuum insulated walls for refrigerated containers and trailers Vacuum insulated walls for refrigerated containers and trailers

1982-09-29

1984-05-15

King, Lloyd L.

Refrigeration

Vacuumized chamber with open vapor or gas outlet

62239, 62440, F25B 1900

Patent

active

044480415

ABSTRACT:
Refrigerated containers and trailers comprised of structural members in the form of vacuum insulated sidewalls, ceilings and floors having a thickness of approximately one inch. Each structural member is divided into a plurality of individual airtight sections and for each section there is a conduit that leads from the interior of the section to a vacuum pump via a manifold. By means of the pump, air can be withdrawn from each section to establish a vacuum therein. The manifold into which all of the conduits lead is provided with a pressure switch that responds to an increase in pressure caused by a leak in any section and actuates the vacuum pump whereby air is withdrawn from the leaking section.

REFERENCES:
patent: 1246817 (1917-11-01), Jones
patent: 2786342 (1957-03-01), Goetz
patent: 3786652 (1974-01-01), Bolynn

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