US Patent Issued to Gree Electric Appliances Inc. of Zhuhai on Sept. 8 for "Compressor and air conditioner" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,685, issued on Sept. 8, was assigned to Gree Electric Appliances Inc. of Zhuhai (Zhuhai, China).

"Compressor and air conditioner" was invented by Han Tang (Zhuhai, China), Zhiping Zhang (Zhuhai, China) and Xiaokun Wu (Zhuhai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The compressor has: a housing; a first rotor disposed spaced apart from the housing, the first rotor being capable of rotating along a first axis. The first rotor including a first portion and a second portion with opposite thread rotating direction; a first spacer, at least a portion of the first spacer being disposed between the first portion and the housing; and a first dr...