US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on Nov. 18 for "Refrigeration apparatus with oil return control mechanism for compressors" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,094, issued on Nov. 18, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Refrigeration apparatus with oil return control mechanism for compressors" was invented by Toyoaki Kiya (Saitama, Japan), Osamu Kosuda (Saitama, Japan), Ryosuke Tsuihiji (Gunma, Japan) and Ibuki Sukegawa (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration apparatus includes N refrigeration units each including a compressor, an oil separator, an oil return pipe, and a heat dissipation heat exchanger; N pressure reducing valves each connected to the heat dissipation heat exchanger of a corresponding one of the N refrige...