| Patent Number |
Title Of Patent |
Date Issued |
| 7552909 |
Fuel injector with adjustable-metering servo valve for an internal-combustion engine |
June 30, 2009 |
| An injector with an adjustable-metering servo valve is provided. The injector has a shutter actuated by an armature of an electromagnet. The armature is mobile for an opening stroke defined by a surface of the core of the electromagnet, which is fixed in the casing by a ring nut and a |
| 7513445 |
Metering solenoid valve for a fuel injector |
April 7, 2009 |
| The metering servo valve comprises a valve body, an open/close element, and an electromagnet, and is housed in a shell of the injector. The electromagnet actuates a mobile armature for a travel defined by an arrest element, carried by the electromagnet, which is housed in a casing, f |
| 7469843 |
Servo valve for controlling an internal combustion engine fuel injector |
December 30, 2008 |
| A control servo valve (8) is housed inside the casing (2) of an internal combustion engine fuel injector (1), and has a piezoelectric actuator (40), and a control chamber (13) having a fuel outlet passage (21); the outlet passage (21) comes out inside an annular chamber (34) defined by a |
| 7380541 |
Fuel-injection system for an internal-combustion engine |
June 3, 2008 |
| The injection system comprises a high-pressure pump with variable flowrate, having at least one pumping element provided with an intake valve in communication with an intake pipe and a delivery valve in communication with a delivery pipe. A pressure regulator is set on the intake pip |
| 7360528 |
Electroinjector for controlling fuel injection in an internal-combustion engine |
April 22, 2008 |
| An electroinjector is provided for controlling fuel injection in an internal-combustion engine. The electroinjector includes an electroactuator, an injection nozzle, and a pin, which is movable along an opening stroke and a closing stroke for opening/closing the nozzle under the cont |
| 7278399 |
Injection system for an internal-combustion engine |
October 9, 2007 |
| A fuel-injection system (1, 1', 1'', 1''') for an internal-combustion engine (2), of the type provided with: a tank (3) for collection of the fuel; compressor system (4) for drawing in the fuel from the tank (3) and making it available at high pressure to an storage volume (7); at least |
| 7249593 |
Injection system for an internal-combustion engine |
July 31, 2007 |
| A fuel-injection system (1, 1', 1'', 1''') for an internal-combustion engine (2), of the type provided with compressor mechanism (4) for making available the fuel at a high pressure to an storage volume (7), and a plurality of injectors (8, 8', 8''') fluidically connected to the storage |
| 7240859 |
Fuel-injection system for an internal-combustion engine and corresponding method for controlling |
July 10, 2007 |
| A fuel-injection system in an internal-combustion engine is provided with an electroinjector (1) comprising an injection nozzle (5), and a needle (7) mobile along an opening stroke and a closing stroke for opening/closing the nozzle (5) under the control of an electroactuator device |