ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,482, issued on March 4, was assigned to HYDAC TECHNOLOGY GMBH (Sulzbach/Saar, Germany).
"Piston accumulator" was invented by Alexander Albert (Wallerfangen, Germany) and Dennis Christopher Lang (St. Ingbert, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piston accumulator has an accumulator housing and a separating piston (8) guided for longitudinal motion in the accumulator housing. The separating piston separates a liquid side (4) from a gas side (10) in the accumulator housing. Liquid unintentionally transitions from the liquid side (4) to the gas side (10) despite a piston seal on the separating piston (8). By a return device (28), th...