US Patent Issued on May 12 for "Burner assembly for air preheating combustion" (Chinese Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,831, issued on May 12.

"Burner assembly for air preheating combustion" was invented by Xiong Chen (Songzi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A burner assembly for air preheating combustion includes a combustion chamber and a metal box. A heat exchanger is disposed on a top of the combustion chamber, and a burner is disposed on a bottom of the combustion chamber. The metal box is disposed outside the combustion chamber and a preheating channel is defined between the metal box and the combustion chamber. Each side of the metal box defines multiple ventilation holes uniformly arranged on an upper end of each side of the metal box. A b...