ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,753, issued on June 24, was assigned to BorgWarner Inc. (Auburn Hills, Mich.).
"Variable cam timing phaser" was invented by Michael Smart (Groton, N.Y.) and John C. Bulzacchelli (Dryden, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variable cam timing phaser includes a housing and a rotor defining a plurality of chambers, a first end plate, and a second end plate. The variable cam timing phaser additionally includes at least one air vent located at a center of rotation region of at least one of the housing, the rotor, the first end plate, or the second end plate. The at least one air vent is fluidly coupled to the plurality of chambers and ...