Thermal insulation device

Details Thermal insulation device Thermal insulation device

1990-12-06

1992-08-11

Pollard, Steven M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

F17C 100

Patent

active

051371693

ABSTRACT:
In thermal insulation devices which include a molded part formed of thermal insulation material and a metal housing enclosing the molded part, an evacuation of the thermal insulation device with the aid of a vacuum pump requires a relatively long pumping time. The invention proposes providing groove-like recesses in the molded part for reducing the suction resistance. The groove-like recesses form suction channels together with the wall of the metal housing. Such vacuum thermal insulation devices are used, for example, for thermally insulating high-temperature batteries.

REFERENCES:
patent: 2961116 (1960-11-01), Jeppson
patent: 3698588 (1972-10-01), Pogorski
patent: 3765558 (1973-10-01), Withers
patent: 3942331 (1976-03-01), Newman, Jr. et al.
patent: 4425413 (1984-01-01), Ziegenbein et al.
patent: 4606196 (1986-08-01), Acharya et al.
patent: 4692363 (1987-09-01), Reiss et al.

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