US Patent Issued to United States of America as represented by the Secretary of the Air Force on Nov. 4 for "Two-phase refrigerant pump bladder control system" (Ohio Inventor)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,874, issued on Nov. 4, was assigned to United States of America as represented by the Secretary of the Air Force (Wright-Patterson AFB, Ohio).

"Two-phase refrigerant pump bladder control system" was invented by Abdeel J. Roman (Dayton, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bladder control system for a two-phase pump loop (TPPL) includes an air compressor, an air line connected to the air compressor, first and second solenoid valves located along the air line, a refrigerant tank having a port operatively connected to the TPPL for selective flow of refrigerant between the refrigerant tank and the TPPL, an expandable bladder located with...