About 35 results
https://drivepatents.com/patents/1069409 · 8 Mar 2006
The fuel injector has a staged nozzle in which are controlled two axially installed nozzle needles (20,22). The injector has an inner and an outer control chamber (12,13), with one of the nozzle needles allocated to each. The two control chambers are seale...
https://drivepatents.com/patents/1069656 · 1 Mar 2006
The fuel injection valve for internal combustion engines includes an outer nozzle needle (27) installed in a recess in the valve component, an inner nozzle needle (29) installed in a recess (28) in the outer nozzle needle, and a servo valve with an outer p...
https://drivepatents.com/patents/1069559 · 1 Mar 2006
The fuel injector (10) has an inner and an outer control chamber (12,13) for the control of an inner (20) and an outer (22) nozzle needle respectively. The two control chambers are sealed in relation to one other by an upper matched needle guide (16) for t...
https://drivepatents.com/patents/1069942 · 15 Feb 2006
An injection nozzle (4) for an internal combustion engine includes a nozzle body (6) having a first nozzle outlet (12), a second nozzle outlet (18) and a delivery chamber (50) for fuel, an outer valve needle (10) engageable with an outer valve seating (24)...
https://drivepatents.com/patents/1070963 · 11 Jan 2006
The injector has a servo valve with inner and outer control rooms (4, 5) which are closed/opened simultaneously via inner and outer valve bodies (2, 3) activated by an actuator. The bodies have inner and outer valve seats (31, 32) to seal the rooms from fu...
https://drivepatents.com/patents/1071751 · 14 Dec 2005
The fuel injector (3) has a multipart injector unit (18) with two needle parts (18.1,18.2). A control area (43) is fixed on the second needle part (18.2). The injector is connected with high pressure accumulator (1) for fuel, and operated by a control valv...
https://drivepatents.com/patents/1072637 · 9 Nov 2005
The method for the forming of the injection process of a fuel injector (3) which is controlled by a switching valve (29) operated by a control valve (37) and which has a pressure intensifier to increase the pressure level of fuel to be injected in a combus...
https://drivepatents.com/patents/1072813 · 2 Nov 2005
The injection nozzle for an internal combustion engine has a lift-adjustable first nozzle needle (6) to control an injection of fuel through a first orifice (3), and a second nozzle needle (9) with an additional pressure step (13) facing a second injection...
https://drivepatents.com/patents/1073337 · 12 Oct 2005
An on/off nozzle (7) is provided to actuate the outer nozzle needle by connecting the closing chamber to low-pressure/return system. An additional on/off valve (90) is provided to actuate the inner nozzle needle (12) and to connect a control chamber (53) t...
https://drivepatents.com/patents/1073946 · 21 Sep 2005
A damping chamber (50) for outer and inner damping pistons (41,43) is provided to an outer needle nozzle (11) to communicate with a closing chamber (29) via a hydraulic connection. The end face (37) of the outer needle nozzle is exposed to the closing cham...