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. 06, 2003
Filed:
Oct. 12, 1999
Gregory A. Krueger, Eau Claire, WI (US);
Other;
Abstract
A non-pressurized hydronic space heating system for circulating heated fluid through coils placed within a dwelling or structure. The system includes a heat tank for heating liquid, and piping connected to the heat tank for receiving the heated liquid and circulating the liquid throughout coils and back to the heat tank. The heat tank is positioned above the coils. The system includes a releasing means for releasing air contained within the piping. The releasing means or auxiliary fluid isolation ballast allows for the release of air within the piping so that continued circulation of the liquid throughout the system may occur and so that the fluid within the system is isolated from the atmosphere to seal the system from introduction of air bubbles.