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

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

Dual PWM control of a center mounted spool value to control...

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

Dual valve lift and valve deactivation

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Dual valve lift blip with single cam lobe for gasoline engines

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Dual valve lifter assembly

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

Dual-acting apparatus for variable valve timing and the like

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

Dual-equal cam phasing with variable overlap

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

Dual-pressure hydraulic valve-actuation system

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Ductile iron roller tappet body and method for making same

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Durable valve lifter for combustion engines and methods of...

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

Dynamic camshaft apparatus

Internal-combustion engines – Poppet valve operating mechanism – Rocker

Dynamic valve mechanism of internal combustion engine

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

Dynamic valve timing adjustment mechanism for internal...

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

Early exhaust valve opening control system and method

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

Eccentric grooves for intersecting longitudinal fluid supply...

Internal-combustion engines – Poppet valve operating mechanism – With nonvalving movement

Eccentric, oscillating intake valve

Internal-combustion engines – Poppet valve operating mechanism – Spring

Economical engine construction

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

Electric actuator for rotary valve control of electrohydraulic v

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

Electric actuator for spool valve control of electrohydraulic va

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

Electric valve actuation system