LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Multiple cylinder – Having rotary output shaft parallel to cylinders

Dual torque barrel type engine

Internal-combustion engines – Valve – Valve head cooperates with manifold

Dual tract induction

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

Dual vacuum actuator ignition timing

Internal-combustion engines – Cooling – Indicators and safety devices

Dual valve engine protective device

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 – Charge forming device – Fuel injection system

Dual valve member and fuel injector using same

Internal-combustion engines – Starting device – Condition responsive control of starting device

Dual voltage tandem engine start system and method

Internal-combustion engines – Combustion chamber means having fuel injection only – Having a particular relationship between injection and...

Dual zone combustion chamber

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 – Frame construction – Horizontal cylinder

Dual-chamber type oil pan and engine equipped with same

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

Dual-equal cam phasing with variable overlap

Internal-combustion engines – Oscillating cylinder

Dual-expansion internal combustion cycle and engine

Internal-combustion engines – Oscillating cylinder

Dual-expansion internal combustion cycle and engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Dual-expansion internal combustion engine utilizing an oscillati

Internal-combustion engines – Burning by highly compressed air – Oil engine air preheated

Dual-fuel control/monitoring system

Internal-combustion engines – Charge forming device – Combined liquid and gaseous fuel

Dual-fuel engine

Internal-combustion engines – Charge forming device – Fuel injection system

Dual-function clamping assembly adapted for a hydraulically-actu