US Patent Issued to Hamilton Sundstrand on Sept. 23 for "Variable displacement pumps with fixed and active displacement control modes" (Illinois, Connecticut Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,956, issued on Sept. 23, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Variable displacement pumps with fixed and active displacement control modes" was invented by Ryan Shook (Rockford, Ill.) and Ryan Prescott Susca (Windsor, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a variable displacement pump (VDP) having a pump inlet, a pump outlet, and a pump control line configured to receive a control pressure to actuate a variable displacement mechanism of the VDP. A controller is operatively connected to the pump control line to actively control actuation of the variable displacement mechanism in a first mode f...