LandOfFree - US Patents - Listing for Internal-combustion engines

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

Piezoelectric differential cam phaser

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

Piezoelectric fuel injection system with rate shape control...

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

Piezoelectric fuel injection system with rate shape control...

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

Piezoelectric fuel injector having a temperature...

Internal-combustion engines – Noncompression

Piezoelectric fuel injector valve

Internal-combustion engines – High tension ignition system – Piezoelectric voltage generator

Piezoelectric ignition and sensing device

Internal-combustion engines – High tension ignition system – Piezoelectric voltage generator

Piezoelectric ignition device for increasing spark energy

Internal-combustion engines – Frame construction – Horizontal cylinder

Piggyback type blower unit

Internal-combustion engines – Rotary – With fuel injection means

Pilot fuel ignited stratified charge rotary combustion engine an

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

Pilot fuel regulating device

Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections

Pilot injection control system

Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections

Pilot injection controller in fuel injection system and method o

Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections

Pilot injection device

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

Pilot injection device for fuel injection pump

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

Pilot injection system for fuel injection pump

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

Pilot oil ignition gas engine and method of operating pilot...

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

Pilot oil ignition gas engine and method of operating pilot...

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

Pilot operated throttling valve for constant flow pump

Internal-combustion engines – Frame construction – Horizontal cylinder

Pilot ring attachment assembly