The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 1990
Filed:
Feb. 16, 1989
Sherwood L Fawcett, Columbus, OH (US);
Sedum Corporation, Columbus, OH (US);
Abstract
A regenerative gas-to-gas heat exchanger having a plurality of superposed spaced, parallel beds of confined metal flakes adapted for gas flow therethrough; four gas plenums surrounding the beds, each plenum communicating with one side only of all the beds; means for supplying a relatively hot gas to one plenum, means for supplying a relatively cold gas to an opposite plenum, each of the remaining plenums communicating with a separate outlet; and sliding gate valve means in each plenum adjacent one side of the beds, means for moving the gate valve means to a first position and to a second position for controlling the directions of gas flow and alternately extracting and releasing heat therefrom.