Heat recuperation

Details Heat recuperation Heat recuperation

1976-03-03

1978-04-04

Corbin, John K.

350 67, 350103, G02B 1314, G02B 5124

Patent

active

040824144

ABSTRACT:
Radiant energy emitted from an opening (e.g., a door in an industrial furnace), which would otherwise be lost, is recuperated by the placement of an array of reflective cells in the path of the emitted beam. Each reflective cell comprises multiple reflecting surfaces for reflecting the incident beam back toward the opening even if the beam is not perpendicular to any of the reflecting surfaces. In a typical construction, the front face of a substrate is coated with a material (e.g., gold) that has a high reflectance in the infrared. A protective layer, which is transparent in the infrared, overlies that coating in order to prevent damage to the coating and to facilitate cleaning. Heat recuperators having dihedral and trihedral individual reflecting cells are described in detail.

REFERENCES:
patent: 2012933 (1935-08-01), Davidson
patent: 2320504 (1943-06-01), Bailey
patent: 2854349 (1958-09-01), Dreyfus et al.
patent: 2930893 (1960-03-01), Carpenter et al.
patent: 3215039 (1965-11-01), Gill, Jr.
patent: 3229682 (1966-01-01), Perlmutter et al.
patent: 3268719 (1966-08-01), Tackaberry
patent: 3290814 (1966-12-01), Jelinek
patent: 3365790 (1968-01-01), Brauer
patent: 3417959 (1968-12-01), Schultz
patent: 3715152 (1973-02-01), Gunter, Jr. et al.

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