US Patent Issued to BorgWarner on July 22 for "Hydraulic check valve utilizing an ortho-planar spring" (New York Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,299, issued on July 22, was assigned to BorgWarner Inc. (Auburn Hills, Mich.).

"Hydraulic check valve utilizing an ortho-planar spring" was invented by Adam J. Kellerson (Ithaca, N.Y.) and Steven M. Fleishman (Ithaca, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthoplanar spring for a hydraulic tensioner which has a flat, closed position, in which a flat center portion of the orthoplanar spring seals the inlet hole between the oil supply and the high pressure chamber of the tensioner and an open deformed position in which the flat center portion of the orthoplanar spring moves a distance to unseal the inlet hole such that fluid flows fro...