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:
Feb. 25, 2003
Filed:
Nov. 04, 1999
Barry R. Brooks, Boise, ID (US);
Dan L. Field, Granite Bay, CA (US);
Other;
Abstract
The present invention is an indirect evaporative cooling module preferably made from extruded, twin-walled, corrugated, fluted plastic sheeting. Sheets of this corrugated material are cut into plates which are preferably laminated together to form the primary and secondary passages that comprise the heat exchanger core. These passages can be configured any number of ways, from vertical to horizontal to diagonal, and flow through these passages can be cross-flow, counter-flow and even baffle-flow. Increased heat exchange efficiency is achieved through a variety of ways, for example, by including an efficient water distribution means at the top of the heat exchanger, evaporative mesh extending through and below the heat exchanger for water distribution and pre-cooling, the creation of top and bottom heat exchange chambers by channeling water directly to the bottom zone of the heat exchanges passages, and roughening the surface of the sheets to increase heat transfer and to increase surface area. Optionally, turning vanes or convergers at the inlets of the heat exchanger may be added to improve fluid flow control.