ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,210, issued on Jan. 13.
"Mechanical liquid piston slow expansion compressor" was invented by Vianney Rabhi (Lyons, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The mechanical liquid piston slow expansion compressor (1) comprises a liquid cylinder (8) which pivots about a tilt axis (9) and into which a hydraulic piston (10) translates, which is fixedly secured to a connecting rod (11) connected to a crank (26) of a crankshaft (24), the axis of rotation of which is parallel to the tilt axis (9), while piston guiding means (23) maintain the connecting rod (11) and the hydraulic piston (10) always parallel to the liquid cylinder (8), these two ...