Jacobs Vehicle Systems

US Patent 11131222 Engine valve actuation with handoff control between cooperative valve actuation motions

US Patent 11149599 Systems and methods for IEGR using secondary intake valve motion and lost-motion reset

US Patent 11156135 Systems and methods for combined engine braking and lost motion exhaust valve opening

US Patent 11162437 Single actuator valve sequencing in cylinder deactivation and high-power density (HPD) braking engine environments

US Patent 11162438 Valve actuation and sequencing for cylinder deactivation and high-power density (HPD) braking

US Patent RE39258 Multi-cycle, engine braking with positive power valve actuation control system and process for using the same

US Patent 7156062 Valve actuation system with valve seating control

US Patent 7162996 Engine braking methods and apparatus

US Patent 7237540 Method of modifying exhaust valve timing to improve engine performance

US Patent 7276833 Electromagnetic retarder system and method

US Patent 7284533 Method of operating an engine brake

US Patent 7350502 Apparatus and method for controlling exhaust pressure

US Patent 11181012 Valve actuation system comprising two rocker arms and a collapsing mechanism

US Patent 7392772 Primary and offset actuator rocker arms for engine valve actuation

US Patent 7484483 System and method for variable valve actuation in an internal combustion engine

US Patent 7500466 Variable valve actuation and engine braking

US Patent 7555998 System and method for hydraulic valve actuation

US Patent 7559300 Multiple slave piston valve actuation system

US Patent 7565896 Method for variable valve actuation to provide positive power and engine braking

US Patent 7600497 Finger follower lost motion valve actuation system with locating link

US Patent 7665432 Valve actuation system and method of driving two slave pistons with one master piston

US Patent 7673600 Method and system for partial cycle bleeder brake

US Patent 7712449 Lost motion variable valve actuation system for engine braking and early exhaust opening

US Patent 7735466 Exhaust brake

US Patent 7793624 Engine brake apparatus

US Patent 7823553 Engine brake having an articulated rocker arm and a rocker shaft mounted housing

US Patent 7882810 Variable lost motion valve actuator and method

US Patent 7905208 Valve bridge with integrated lost motion system

US Patent 7954465 Combined exhaust restriction and variable valve actuation

US Patent 7971569 Bias system for dedicated engine braking rocker arm in a lost motion system