US Patent Issued to Jacobs Vehicle Systems on May 13 for "Lost motion variable valve actuation systems and method" (Connecticut, Michigan Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,757, issued on May 13, was assigned to Jacobs Vehicle Systems Inc. (Bloomfield, Conn.).

"Lost motion variable valve actuation systems and method" was invented by John A. Schwoerer (Storrs Mansfield, Conn.), G. Michael Gron Jr. (Granby, Conn.), Jacob M. Moore (Cromwell, Conn.) and Thomas P. Howell (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compact, modular, lost motion variable valve actuation assembly includes a dry start hydraulic circuit to enable quick priming of a lost motion master-slave circuit from a dry start reservoir to the master piston chamber during engine start. Motion of the master piston on engine startup may ...