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| Number | Title | Issue Date |
| 7926736 | Fuel injection apparatus An apparatus for injecting fuel into an internal combustion engine having a fuel injector acted on with highly pressurized fuel actuated by means of a metering valve device that is able to control the pressure in a pressure booster control chamber so that in a press... | 04/19/2011 |
| 7370636 | Fuel injection system A fuel injector (1) in an internal combustion engine, wherein an intermediate chamber control valve (26) operated by the fuel pressure in a common rail (2) is arranged in a fuel flow passage (25) connecting a two-position switching type t... | 05/13/2008 |
| 7347385 | Fuel injection device with a 3-way control valve for configuring the injection process A fuel injection device for internal combustion engines, having a control valve located between high-pressure and low-pressure sides and which opens or blocks the communication of a control chamber with the low-pressure side, and an outlet throttle located between t... | 03/25/2008 |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7309027 | Fuel injector for internal combustion engines A fuel injector for injecting fuel that is at high pressure into a combustion chamber of an internal combustion engine has an injection valve member triggered by an actuator and a coupler chamber; the actuator acts on the injection valve member and the injection val... | 12/18/2007 |
| 7305914 | Hydraulic actuator control valve An actuator includes a piston within a cylinder, the cylinder having a first fluid port in communication with an open side of the piston, and a second fluid port in communication with a shaft side of the piston. The piston travels in a first direction, toward the sh... | 12/11/2007 |
| 7303177 | Actuator arrangement and fuel injector incorporating an actuator arrangement An actuator arrangement for use in a fuel injector of an internal combustion engine includes an inner core (30) comprising a plurality of laminates (30a) and a first outer pole (32) for receiving at least a part of the inner core (30 | 12/04/2007 |
| 7252245 | Fuel injection valve A fuel injection valve includes a valve member, a first stop member, a second stop member, a movable core, a fixed core, and a coil. The valve member opens and closes an injection nozzle. The first stop member protrudes radially outward from said valve member. The s... | 08/07/2007 |
| 7240856 | Fuel injection control device This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it to the fuel injection valve; a magnetostrictive element which drives ... | 07/10/2007 |
| 7210639 | Servo-valve-controlled fuel injector A fuel injector having an injection valve connected to a high-pressure source and a control valve including a control piston guided in a valve body and comprising a pressure piston section having a first pressure surface guided in a bush and a control piston section... | 05/01/2007 |
| 7204433 | Method of manufacturing a fuel injection valve A fuel injection valve has: a tubular body, a valve seat member, a valve body, a core tube, a bias spring, and an electromagnetic actuator. The core tube is press fitted into the tubular body. The core tube has a first end side opposing an absorption section of the ... | 04/17/2007 |
| 7185828 | Hydraulic control device, system and method for controlling actuator device A supplying unit supplies energy to an actuator so that the supplied energy is kept therein, making displacement the actuator. An interrupting unit interrupts the supply of energy to cause the actuator to discharge the kept energy, making displacement the actuator. ... | 03/06/2007 |
| 7178508 | Fuel injection nozzle of engine A fuel injection nozzle of an engine used to inject fuel oil into the combustion chamber of each cylinder of a diesel engine and fixedly attached to a cylinder head (1) by a fuel injection nozzle retainer (15) supported by a valve arm shaft (11)... | 02/20/2007 |
| 7124966 | Fuel injector check valve A high pressure unit fuel injector includes a member with a fuel delivery opening to be intermittently supplied with high pressure fuel and a valve seat encircling the fuel delivery opening. A valve cage includes a check-valve chamber adjacent the valve seat. The ch... | 10/24/2006 |
| 7108200 | Fuel injectors and methods of fuel injection Fuel injectors and methods of fuel injection allowing direct control of the flow of fuel at an intensified pressure to the needle. A valve, typically a spool valve, is placed in the fuel passage between the intensifier actuation piston and the needle, and controlled... | 09/19/2006 |
| 7104464 | Fuel supply method and fuel supply system A fuel supply method for a fuel injection device including a fuel injection unit, comprising: supplying fuel to a first fuel injection member of the fuel injection unit through a first fuel supply passage internally formed in a holding-and-supplying unit holding the... | 09/12/2006 |
| 7097114 | Fuel injector adapted to remove deposits by sonic shock The present disclosure provides a self-cleaning injector nozzle or other fluid conduit that maintains deposits at a low level by sonic tuning the shock wave generated during fluid flow through that nozzle or conduit. Methods of producing an injector nozzle and a met... | 08/29/2006 |
| 7097115 | Fuel injector regulator having combined initial injection and peak injection pressure regulation A fuel injector regulator having combined initial injection and peak injection pressure regulation. The fuel injector regulator includes a rate shaping valve movably supported within a valve bore between a closed position and an open position to regulate a rate of i... | 08/29/2006 |
| 7093778 | Device for delivering and/or spraying flowable media, especially fluids The invention concerns a device to convey and/or spray free-flowing media, in particular fluids, which works in accordance with the energy storage principle and is designed as an electromagnetically-powered reciprocating pump with at least one armature device as a d... | 08/22/2006 |
| 7083113 | Device for damping the needle lift in fuel injectors A fuel injection apparatus for injecting fuel into the combustion chambers of an internal combustion engine. includes a high pressure accumulator, a pressure booster, and a metering valve. The pressure booster includes a working chamber and a control chamber that ar... | 08/01/2006 |
| 7059301 | End of injection rate shaping Fuel injectors equipped with direct control needle valves can add new capabilities to a fuel injection system, but can sometimes have difficulty in achieving low hydrocarbon emissions at levels comparable to ancestor fuel injectors that utilize a simple spring biase... | 06/13/2006 |
| 7044400 | Solenoid end cap assembly with flat surface A solenoid end cap assembly having a flat mating surface. The flat mating surface is a single planar mating surface and is designed to mate with a substantially flat mating surface of a valve control body. The solenoid, housed within the solenoid end cap, does not p... | 05/16/2006 |
| 7032574 | Multi-stage intensifiers adapted for pressurized fluid injectors Multi-stage intensifiers for injectors of pressurized fluid (e.g., fuel) allowing selection of intensified injection fluid pressure and thus fluid injection flow rate by selectively applying actuating fluid supply pressure to one or more of the multi-stage intensifi... | 04/25/2006 |
| 7028918 | Fuel injector having a nozzle with improved cooling A fuel injector having a nozzle with improved cooling including a retainer and a nozzle housing received therein. The nozzle housing includes a nozzle shank, an outer peripheral surface and at least one injection hole at a tip of the nozzle shank. The nozzle shank i... | 04/18/2006 |
| 7025285 | Fire sprinkler flow control device A fire sprinkler discharge control device for preventing fluids from being emitted from a fire sprinkler without having to turn off a fluid supply to the fire sprinkler. The control device may be formed from one or more bladders adapted to contain a fluid and one or... | 04/11/2006 |
| 7021558 | Fuel injector having a cooled lower nozzle body A fuel injector is provided with a lower nozzle body which is cooled with a small amount of metered fuel. In one embodiment, a blind passage is formed to extend from the upper portion to the lower end of the injector nozzle valve element. A transverse passage is for... | 04/04/2006 |
| 7017553 | Fuel injection device for an internal combustion engine A fuel injection apparatus having a high-pressure fuel pump and a fuel injection valve for each cylinder of an internal combustion engine, in which fuel pump has two pump pistons driven by the engine and delimiting a pump working chamber supplied with fuel from a ta... | 03/28/2006 |
| 7007860 | Plunger cavity pressure control for a hydraulically-actuated fuel injector A fuel injector in an engine includes a spring cavity, a piston, a plunger, a spring, a fuel cavity, and a stop plate. The piston is hydraulically controlled to force the plunger down to compress fuel in the fuel cavity. However, under certain conditions, the plunge... | 03/07/2006 |
| 7004150 | Control valve for fuel injector and method of use A control a control for an injector includes an energizing device actuated by a fluid pressure during an injection event to provide a monitoring voltage. The control unit is used with an injector and is capable of monitoring the variables of the injector such as ope... | 02/28/2006 |
| 6994273 | Fuel injection valve for internal combustion engines A fuel injection valve for an internal combustion engine which includes an axially moveable needle-like injection valve member 10 mounted in a tubular housing 2. A control element 22 with a control passage 25 is mounted in the upper end p... | 02/07/2006 |
| 6978943 | Governor plate apparatus A flow controller assembly for use with a hydraulically-actuated, electrically-controlled fuel injector, includes a flow controller fluidly disposable intermediate an injector control valve assembly and an injector intensifier assembly for controlling flow of actuat... | 12/27/2005 |
| 6976638 | Fuel injection system for an internal combustion engine A fuel injection system having one high-pressure fuel pump and one fuel injection valve communicating therewith for each engine cylinder. A piston of the fuel pump defines a work chamber which communicates with a pressure chamber of the fuel injection valve, which v... | 12/20/2005 |
| 6974093 | Fuel injection device A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve... | 12/13/2005 |
| 6974089 | Injector An injector has two interconnected main sections, a body section and an injector section. The injector section is connected to the body section by way of a form lock, and the connection is produced by a partial material connection. The injector is preferably suitabl... | 12/13/2005 |
| 6966760 | Reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 11/22/2005 |
| 6945479 | Stroke-controlled valve as fuel metering device of an injection system for internal combustion engines A stroke-controlled valve as a fuel metering device of an injection system for internal combustion engines has a valve body with a valve seat and a valve needle which is actuatable in the valve body counter to the resistance of a valve needle restoring spring and wh... | 09/20/2005 |
| 6910644 | Solenoid-operated fuel injection valve A solenoid-operated fuel injection valve includes a container into which fuel is introduced, a needle member that is disposed in the container and that moves longitudinally, and an electromagnetic controller provided with first and second magnetic circuits through w... | 06/28/2005 |
| 6840466 | Hydraulic control valve and fuel injector using same A hydraulic control valve for a fuel injector for an automotive engine, which includes a piezoelectric actuator and a hydraulic valve mechanism. The hydraulic valve mechanism converts a mechanical deformation of the piezoelectric actuator produced as a result of app... | 01/11/2005 |
| 6752325 | Fuel injection device An injection nozzle of a stroke-controlled fuel injection device has a control chamber for triggering a nozzle needle and also has a nozzle chamber connectable to a pressure booster. The communication between a differential chamber of the pressure booster and a leak... | 06/22/2004 |
| 6736331 | Valve for controlling fluids A valve for controlling fluids, having an inflow line and a leak fuel line, which each communicate with a pressure chamber. A piston element is adjustable by a control element and opens and closes a first passage between the inflow line and the pressure chamber. The... | 05/18/2004 |
