US Patent Issued to Hamilton Sundstrand on Feb. 10 for "Actuator load and slew rate limiting via pressure throttling shutoff valve" (Connecticut Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,339, issued on Feb. 10, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Actuator load and slew rate limiting via pressure throttling shutoff valve" was invented by Frank Perrelli (East Haven, Conn.) and Sachin Ramprashad (West Hartford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a control valve with a first control port and a second control port. An actuator of the system includes a piston between an extend chamber and a retract chamber. The system also includes a shutoff valve fluidically connected between the control valve and the actuator. The shutoff valve is passively controlled by a pressure differenti...