US Patent Issued to DAIKIN INDUSTRIES on Sept. 1 for "Heat source unit and air-conditioning device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,773, issued on Sept. 1, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Heat source unit and air-conditioning device" was invented by Takaya Nakanishi (Osaka, Japan) and Yuta Fukuyama (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat source unit includes: a first switching valve configured to switch between a first state where the first switching valve brings a discharge side of a compressor and a high and low pressure gas connection pipe into communication with each other and a second state where the first switching valve brings the high and low pressure gas connection pipe and a suction side of the compressor into communi...