Title: Heat recuperation

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.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Berg, Charles A. (Buckfield, ME, US)

Application Number: 663370
Filing Date: 1976-03-03
Publication_date: 1978-04-04
Assignee: Pyreflex Corporation (Sudbury, MA)
Primary Class(es): 359/360 359/546
Other Classes:
US Patent Ref:

2012933	Aug, 1935	Davidson	350/102.
2320504	Jun, 1943	Bailey	350/67.
2854349	Sep, 1958	Dreyfus et al.	350/1.
2930893	Mar, 1960	Carpenter et al.	350/102.
3215039	Nov, 1965	Gil, Jr.	350/109.
3229682	Jan, 1966	Perlmutter et al.	126/270.
3268719	Aug, 1966	Tackaberry	350/202.
3290814	Dec, 1966	Jelinek	350/292.
3365790	Jan, 1968	Brauer	350/102.
3417959	Dec, 1968	Schultz	350/102.
3715152	Feb, 1973	Gunte, Jr. et al.	350/202.

Other Refs:
Primary Examiner: Corbin, John K.
Assistant Examiner: Lee, John D.
Attorney: Kenway & Jenney