LandOfFree - US Patents - Listing for Internal-combustion engines,Poppet valve operating mechanism

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for controlling timings of exhaust valves and method t

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for controlling valve actuation in internal...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for controlling valve timing of engine

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for controlling valve timing of internal...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for deactivating an engine valve

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for detecting valve lifting characteristic of cam shaf

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Apparatus for direct gasoline injection in a piston engine

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Apparatus for driving camshafts in an internal combustion engine

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Apparatus for driving various devices by internal combustion eng

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for external cooling of an exhaust valve

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for opening and shutting valves of an engine

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for operating the valves on internal combustion engine

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Apparatus for preventing after-fire in an internal combustion en

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Apparatus for preventing excessive running speed for internal co

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for preventing leakage across rotor vanes in a...

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Apparatus for purging and excluding air from a hydraulic...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for regulating the operation of an adjusting device

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for relative angular adjustment between two shafts in

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Apparatus for relative angular adjustment of a crankshaft of...