US Patent Issued to Hamilton Sundstrand on April 14 for "Straight axis variable displacement piston pump with rotating swash plate" (Illinois Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,333, issued on April 14, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Straight axis variable displacement piston pump with rotating swash plate" was invented by Olaf Enke (Rockford, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An axial variable displacement piston pump includes a drive shaft disposed on an axis, a piston barrel comprising a plurality of pistons disposed about the drive shaft, and a swash plate disposed about the drive shaft. Each of the piston barrel and the swash plate are rotationally coupled to the drive shaft such that the drive shaft is configured to simultaneously drive rotation of each of the piston b...