ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,737, issued on Feb. 3, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan) and DAIKIN EUROPE N.V. (Ostend, Belgium).
"System for producing heat for domestic hot water or central heating" was invented by Timo Kirschner (Guglingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes: a heat generator obtaining heat from a heat source and having a generator outlet port and a generator return port; a central heating circuit having a heating feed port and a heating return port; a tank having a top portion and a bottom portion, the tank containing a heat storing medium; a first tapping coil immersed in the heat storing medium in the ...