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:
May. 15, 2001
Filed:
May. 05, 1999
Barbara Pause, Longmont, CO (US);
Outlast Technologies, Inc., Boulder, CO (US);
Abstract
The technique of the present invention for minimizing the floor-to-ceiling temperature gradient of a room containing a ceiling, a floor, walls and at least one door and one window, includes the utilization of a phase change material adjacent the ceiling surface and a phase change material adjacent the floor surface. In order to effectively minimize the floor-to-ceiling temperature gradient of the room, first and second phase change materials may be either the same or different, or may be blends of phase change materials. Most preferably, the melting temperature of the first phase change material adjacent the ceiling is greater than the crystallization temperature of the second phase change material adjacent the floor. Preferably, the melting temperature of the first phase change material is 25° C. plus or minus 1° C. and the crystallization temperature of the second phase change material is 22° C. plus or minus 1° C.