LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Engine speed regulator – Idle speed control

Unthrottled intake air control with partial delay for...

Internal-combustion engines – Additional air supply

Unthrottled lean mixture gasoline engine

Internal-combustion engines – Solid fuel

Untimed refuel and ash removal for char burning engines

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

Upgrader variable pressure regulator

Internal-combustion engines – Two-cycle – Rear compression

Upper crankshaft bearing lubrication system for two-cycle engine

Internal-combustion engines – Lubricators – Crankcase – pressure control

Upper cylinder area lubrication system

Internal-combustion engines – Means to whirl fluid before – upon – or after entry into... – Specific spark plug location

Upper structure of engine

Internal-combustion engines – Valve – Packing

Upside-down square-up valve stem seal

Internal-combustion engines – Charge forming device – Combustible mixture ionization – ozonation – or electrolysis

Use of exhaust gas as sweep flow to enhance air separation...

Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode

Use of external exhaust gas recirculation...

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

Use of integrated starter alternator to prevent engine stall

Internal-combustion engines – Charge forming device – Combustible mixture ionization – ozonation – or electrolysis

Use of singlet delta oxygen to enhance the performance of...

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

Using differential pressure control system for VCT lock

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

Using EEPROM technology in carrying performance data with a fuel

Internal-combustion engines – Charge forming device – With fuel pump

Utilization of a rail pressure predictor model in...

Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer

Utilization system for gaseous fuel powered vehicles

Internal-combustion engines – Precombustion and main combustion chambers in series – Having specific connecting passage means between...

UV irradiation apparatus and method for fuel pretreatment enabli