ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,744, issued on July 14, was assigned to Rheem Manufacturing Co. (Atlanta).
"Flash tank overflow warning system" was invented by John Kevin Brehm (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flash tank overflow warning system for refrigeration systems and cold climate heat pumps. Some embodiments may include heat pump systems that have a compressor, a condenser, and a flash tank. A vapor injection line may be disposed between the flash tank and the compressor to direct vapor refrigerant from the flash tank to the compressor. A warning line may be coupled to a side surface of the flash tank and may be disposed between the flash tank and th...