US Patent Issued to PRATT & WHITNEY CANADA on Aug. 18 for "Rotary pump with telescoping rotor sections that vary the flow rate" (Canadian Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,040, issued on Aug. 18, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Rotary pump with telescoping rotor sections that vary the flow rate" was invented by Ivan Sidorovich Paradiso (Longueuil, Canada) and Gabriel St-Laurent (Longueuil, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump for an aircraft engine, has: a housing including a static wall, a peripheral wall extending around an axis, and a movable wall movable along the axis in sealing contact with the peripheral wall, the static wall, the peripheral wall and the movable wall defining therebetween a rotor cavity communicating with an inlet and an outlet of the h...