US Patent Issued to DAIKIN INDUSTRIES on Sept. 23 for "Rotary compressor and refrigeration device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,967, issued on Sept. 23, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Rotary compressor and refrigeration device" was invented by Takazo Sotojima (Osaka, Japan), Tatsuya Katayama (Osaka, Japan), Hiromichi Ueno (Osaka, Japan) and Arisa Kira (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cylinder end plate of a rotary compressor has a discharge port communicating with a discharge-side space, and the discharge port is formed such that as viewed in the axial direction of a drive shaft, part of an opening of the discharge port overlaps with the inside of a cylinder chamber, and the opening end face of the discharge port is inc...