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| Number | Title | Issue Date |
| 8162287 | Valve assembly for modulating fuel flow to a gas turbine engine A valve assembly for modulating fuel flow is disclosed which includes a valve housing having an inlet section and an outlet section, at least one valve rotor disposed between the inlet section and the outlet section for modulating fuel flow through the valve housing... | 04/24/2012 |
| 7431262 | Digital regulators Digital regulators using a plurality of latching solenoid actuators, each having a spring return, the springs being configured to provide a force on the valve member of a regulator, when the solenoid actuators are unlatched, in a binary progression. The solenoid act... | 10/07/2008 |
| 7418931 | Electromagnetically driven valve An electromagnetically driven value includes a valve element that has a valve stem and that reciprocates in a direction in which the valve stem extends; a disc that extends from a driving end, which is operatively linked with the valve stem, to a pivoting end, and t... | 09/02/2008 |
| 7306196 | Electromagnetically driven valve The electromagnet includes a valve-opening side coil portion supplied with a current to thereby generate a first magnetic flux and generate electromagnetic force in a direction moving the valve-opening side moving element toward a valve-opening position, and a valve... | 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 |
| 7249579 | Enhanced permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine A valve actuator for an internal combustion engine is described having a core having a wound coil located therein, said core further having at least one permanent magnet located at least partially inside or outside said coil and positioned at an angle relative to a ... | 07/31/2007 |
| 7191963 | Fuel injector with hydraulic pin actuation The injector has a cylindrical body, which houses an injection nozzle regulated by an injection valve provided with a moveable pin, a fuel supply line, an injection chamber communicating with the supply line, housing a lower portion of the pin and delimited below by... | 03/20/2007 |
| 7178704 | Electrically-operated dispenser An electrically-operating liquid dispenser having an U-shaped pole. Windings of an electromagnetic coil are wound about the legs of the U-shaped pole and are energized selectively for moving an armature relative to the pole to open and close the dispenser. The U-sha... | 02/20/2007 |
| 7142956 | Automatic steering system and method An automatic steering system and method are provided for a vehicle including an hydraulic primary steering system. The automatic steering system includes a guidance module with a GPS receiver and a microprocessor adapted to process and store GPS data defining travel... | 11/28/2006 |
| 7124720 | Permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine A valve actuator for an internal combustion engine is described having a core having a wound coil located therein, said core further having at least one permanent magnet located at least partially inside said coil and positioned at an angle relative to a direction o... | 10/24/2006 |
| 7118087 | Coupling solenoid valve A coupling solenoid valve having a main valve unit and a solenoid operating unit, of which both side faces in the valve-width direction correspond to a first coupling face and a second coupling face for coupling another solenoid valve, wherein pilot valves are detac... | 10/10/2006 |
| 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 |
| 7104282 | Two stage solenoid control valve A two stage solenoid control valve is described. The control valve opens and closes using a single source of pressurized fluid. This source of pressurized fluid may be transmitted through the solenoid control valve and on to a downstream valve such as a bleed valve ... | 09/12/2006 |
| 7097728 | Frangible fiberglass insulation batts A frangible fiberglass insulation batt includes a frangible plane defined by a series of cuts in the batt. ... | 08/29/2006 |
| 7089894 | Electromechanical valve actuator assembly A lever electromechanical valve actuator assembly and arrangement of electromechanical valve actuators that creates a compact actuator assembly to increase ease of serviceability, provide space for engine components and eliminate interference between the actuators a... | 08/15/2006 |
| 7066154 | Purge valve including a dual coil permanent magnet linear actuator A purge valve includes an aperture, a member, and an actuator. The aperture defines a portion of a vapor flow path that extends between a first port that communicates vapor with a fuel vapor collection canister and a second port that communicates vapor with an intak... | 06/27/2006 |
| 7032879 | Valve device having a plurality of solenoids To provide a valve device in which a width of a valve body portion is minimized while suppressing reductions in responsiveness and a flow rate and in which a solenoid portion can produce a necessary output with a small width by using an open/close valve with a short... | 04/25/2006 |
| 7028705 | High torque failsafe valve operator A fluid valve operator for moving a moveable valve element such as a disc (14) that is pressed forcefully against a surface of a valve frame (12). The valve operator includes first and second electric gear reduction motors (22, 24) that each has... | 04/18/2006 |
| 7021603 | Electromagnetic actuator and integrated actuator and fluid flow control valve A magnetic device is formed from a permanent magnet generating magnetic flux, an armature which can occupy two positions between four poles and an electromagnet winding to which current can be supplied to produce a magnetic flux in one direction or the other, the fl... | 04/04/2006 |
| 7011076 | Bipolar valve having permanent magnet A solenoid for use in valves used in evaporative emission control systems, such as canister purge valves or vent solenoid valves. The solenoid includes a housing having an inlet port and an outlet port. The housing further includes a guide element having a bobbin se... | 03/14/2006 |
| 7007923 | Valve unit for controlling the delivery of a fuel gas A valve unit for controlling the delivery of a fuel gas through a delivery duct (3) comprises a valve seat (6) in the duct, a closure member (5) associated with the seat, a motor-driven actuator (7) acting on the closure member in order t... | 03/07/2006 |
| 7007921 | High-speed controlling device The present invention relates to a high-speed controlling device, suitable for displacing a switching element between two positions with very short switching times. Said device comprises two switchable electromagnets, between which an armature, with a driven couplin... | 03/07/2006 |
| 6997146 | Start control method and apparatus for solenoid-operated valves of internal combustion engine In method and apparatus for controlling starting of a solenoid-operated valve for an internal combustion engine, when a request for a start of the solenoid-operated valve is generated, a provisional target position to which an armature is likely to be moved is deter... | 02/14/2006 |
| 6978745 | System for controlling electromechanical valves in an engine A system for electronically actuating valves in an engine. The system includes first and second voltage sources, and a plurality of valve actuator subsystems coupled therebetween. Each valve actuator subsystem has a valve actuator and a switch configured to selectiv... | 12/27/2005 |
| 6976666 | Electromagnetic valve assembly for controlling airbag An electromagnetic valve assembly for controlling airbags, includes a single valve assembly joined by main valve bodies of two electromagnetic valves each having respective electromagnetic control coils. A ventilation opening of the joined single valve assembly is p... | 12/20/2005 |
| 6971346 | System for controlling electromechanical valves in an engine A system for electronically actuating valves in an engine. The system includes a first voltage source, a second voltage source, and plural valve actuator subsystems coupled between the first voltage source and the second voltage source. Each valve actuator subsystem... | 12/06/2005 |
| 6968859 | Electromagnetic operating device Disclosed is a solenoid type electromagnetic operating device which needs a relatively large current only for a limited short period at an excitation start initial stage and is adapted to achieve the speeding up at an excitation start stage and an improvement in res... | 11/29/2005 |
| 6948461 | Electromagnetic valve actuation A system and method for controlling an internal combustion engine provide valve actuation that selectively couples an energy storage device to a launching coil to recover energy stored in the magnetic field and valve spring of the launching coil, decouples the energ... | 09/27/2005 |
| 6863254 | Valve control unit 2.1. Existing valve control devices are set up in housings that feature also the complete yoke in addition to the valve spools. 2.2. In order to reduce the assembly effort required as well as the play of the valve domes on the inside of the spool, yoke arrang... | 03/08/2005 |
| 6862914 | Method of testing a variable function voting solenoid-operated valve apparatus A variable function voting solenoid-operated valve apparatus is provided having both high safety availability and high plant reliability that does not require a plant system to be bypassed during testing. Also provided is a variable function voting solenoid-operated... | 03/08/2005 |
| 6796511 | Fuel injection valve and a method for operating the same A fuel injector (1), especially an injector for fuel injection systems of internal combustion engines, includes a first solenoid coil (5), which cooperates with the first armature (9), a valve needle (13) in a force-locking connection wit... | 09/28/2004 |
| 6763789 | Electromagnetic actuator with permanent magnet A system and method for increasing force density of a valve actuator particularly suited for use in actuation of intake and/or exhaust valves of an internal combustion engine include at least one electromagnet having a coil wound about a core, and an armature fixed ... | 07/20/2004 |
| 6755161 | Gas exchange valve drive for a valve-controlled combustion engine The present invention relates to a gas exchange valve drive for a valve-controlled combustion engine with a hollow cylindrical rotor (16) to be coupled with a valve member (12) and a stator (18), wherein the rotor (16) comprises permanent... | 06/29/2004 |
| 6752373 | High-speed fluid jet blocker An apparatus for performing high-speed interruption of high-speed fluid jets (30) of the type used to cut food, plastics, wood, metal, and other products. The water jet (30) is interrupted by a blocking bar (22) mounted on a housing (12).... | 06/22/2004 |
| 6740827 | Bi-directional piloted solenoid-operated valve A bi-directional piloted solenoid-operated valve which utilizes fluid pressure to provide both pressure-assisted sealing and pressure-assisted actuation to the main sealing disc in both flow directions. The valve may include a mechanical position indicator for provi... | 05/25/2004 |
| 6718620 | Method for the manufacture of an electromagnetic actuator A method is for the manufacture of an electromagnetic actuator, e.g., for the actuation of a charge cycle valve of an internal combustion engine. The actuator includes a rotary armature movable back and forth by electromagnets and supported in an actuator frame The ... | 04/13/2004 |
| 6702207 | Fuel injector control module with unidirectional dampening Fluid in a chamber, through which a fuel control armature is moving, is used to dampen armature vibrations. This dampening effect is achieved by forming a passage through which the fluid flows as the actuator moves to a steady state position. This passage... | 03/09/2004 |
| 6687553 | Dual gain variable control system A method for controlling a solenoid using a single coil solenoid for both course and fine adjustment. A resistor or series of resistors may be used in parallel/for current controlled solenoids or in series for voltage controlled solenoids for allowing cou... | 02/03/2004 |
| 6668772 | Linear actuator apparatus and actuating control method When an inlet valve is opened or closed via a first mover, by the operation of a first linear actuator, energy accumulated by a first spring or a second spring is discharged by the operation of a second linear actuator, to transmit the energy to the inlet... | 12/30/2003 |
| 6651954 | Electromagnetic valve actuator The electromagnetic valve actuator has an armature (22) of ferromagnetic material fixed to the stem of the valve, springs are provided to hold the valve at rest in a middle position between a fully open position and a closed position, and a single coil (3... | 11/25/2003 |
