US Patent Issued to NORITZ on April 1 for "Premixing device and combustion device including the premixing device" (Japanese Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,818, issued on April 1, was assigned to NORITZ Corp. (Hyogo, Japan).

"Premixing device and combustion device including the premixing device" was invented by Kyohei Ogawa (Hyogo, Japan) and Shigeo Sugie (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A premixing device includes: a gas flow path for allowing air to flow; a gas outlet that allows fuel gas to flow out into the gas flow path by utilizing a negative pressure; and a flapper disposed in the gas flow path. The premixing device further includes an operation regulating part for the flapper which allows the opening degree of the flapper to change according to the air flow rate in a...