US Patent Issued to YOUNGSHIN PRECISION on April 22 for "Oil pump not requiring changing positions of suction port and discharge port according to forward rotation and reverse rotation" (South Korean Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,650, issued on April 22, was assigned to YOUNGSHIN PRECISION Co. LTD (Gyeongju-si, South Korea).

"Oil pump not requiring changing positions of suction port and discharge port according to forward rotation and reverse rotation" was invented by Do Jae Joo (Pohang-si, South Korea), Seong Wook Cha (Gyeongju-si, South Korea), Gahyeon Yi (Daegu, South Korea) and Hui Do Ryu (Gyeongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an oil pump including: a pump module provided with a rotary shaft, an inner rotor coupling with the rotary shaft, an outer rotor rotated engaging with the inner rotor, an inlet for sucking fluid, and an...