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

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

Variable-valve-actuation apparatus for internal combustion...

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

Variable-valve-actuation apparatus for internal combustion...

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

Variable-valve-actuation apparatus for internal combustion...

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

Variable-valve-actuation apparatus for internal combustion...

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

Variable-valve-actuation apparatus for internal combustion...

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

Variable-valve-actuation apparatus for internal combustion...

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

VCT cam timing system utilizing calculation of intake phase...

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

VCT closed-loop control using a two-position on/off solenoid

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

VCT control with a direct electromechanical actuator

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

VCT lock pin having a tortuous path providing a hydraulic delay

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

VCT mechanism having a lock pin adapted to release at a...

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

VCT mechanism incorporating camshaft bearing journal

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

VCT phaser having an electromagnetic lock system for shift...

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

VCT sensor and actuator module

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

VCT solenoid dither frequency control

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

VCT system having closed loop control employing spool valve actu

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

VCT system having robust closed loop control employing dual loop

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

VCT system utilizing engine oil pressure for actuation

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

VCT system with control valve bias at low pressures and unbiased