Energy saving heating vessel

Details Energy saving heating vessel Energy saving heating vessel

1982-10-05

1984-02-21

Scott, Samuel

Stoves and furnaces

Liquid heater

Open-top vessel that may include lid

A47J 2700

Patent

active

044323409

ABSTRACT:
Energy saving heating vessel adapted for heating by contact with bottom surface heating means, such as a hotplate, is disclosed. The described vessels typically have a heating rate 2 to 5 times faster than a conventional glass vessel while consuming about half the energy or less. The vessel includes sidewalls of a non-metal material such as a plastic, and a composite bottom. The composite bottom has a high heating surface contact area and includes a liquid-impervious innermost film of a non-metal material of a minimal thickness to minimize its resistance to heat transfer through it, bonded to and supported by an outermost layer of a rigid good thermal conductivity material preferably a graphitic material having a conductivity at least ten times higher than the sidewalls and the inner film, such outermost layer being the hot plate contacting element. The vessel can be made in a variety of shapes adapted for use in laboratory, domestic, service and industrial applications.

REFERENCES:
patent: 799744 (1905-09-01), Mackay
patent: 2343470 (1944-03-01), Nast
patent: 2526687 (1950-10-01), Reams
patent: 3220870 (1965-11-01), Loehrke

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