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| Number | Title | Issue Date |
| 8006951 | Solenoid valve for hydraulic brake systems with pressure-assisted closing of the valve Disclosed is a solenoid valve having a magnet unit and a valve cartridge having a capsule, an armature guided longitudinally in the capsule and connected to a sealing pin guided longitudinally inside a valve insert, and a valve body with a sealing seat; a magnetic f... | 08/30/2011 |
| 7938381 | Electromagnetic valve An electromagnetic valve has a fixed core, a movable core, a coil attract the fixed core and the movable core each other, a valve body and a valve seat member including a funnel-shaped valve seat surface and an inlet path. The flow path is closable by retreat/advanc... | 05/10/2011 |
| 7878480 | System and method for controlling a solenoid valve, particularly for a system for variable actuation of the valves of an internal combustion engine according to a multi-lift mode A solenoid valve, particularly of the type to be used for controlling a hydraulic system for variable actuation of the valves of an internal-combustion engine, has a valve element co-operating with a valve seat and a pusher element, separate from the valve element, ... | 02/01/2011 |
| 7871056 | Magnetic valve The invention relates to a magnetic valve which is caulked on a caulking area by means of a fluid block. The valve includes a capsule, a magnetic assembly, an anchor and a valve insert which guides a magnetic flux which starts from the magnetic assembly in an axial ... | 01/18/2011 |
| 7832707 | Normally open electromagnetic valve A normally open electromagnetic valve includes a fixed core, a movable core, a coil, a valve body, a valve seat member, a return spring, a raised portion formed at one of the fixed and movable core so as to project towards the other core and a recessed portion forme... | 11/16/2010 |
| 7726628 | Magnet valve having fixation means for the return spring mounted on the valve seat This disclosure teaches a magnet valve, having a valve insert and a tappet which is guided movably via a tappet guide in the valve insert and which is braced via a restoring spring on a valve body, and the restoring spring acts between a first contact face of the ta... | 06/01/2010 |
| 7681862 | Magnet valve A magnet valve having a valve insert and a tappet, guided movably in the valve insert via a tappet guide, which tappet is braced, via a restoring spring resting on a contact face of the tappet, is braced on a valve body. According to the invention, fixation means wh... | 03/23/2010 |
| 7588229 | Electromagnetic valve The magnetic coil (1) of an electromagnetic valve is held inside a yoke plate (2) by means of an appropriate component (3) and arranged inside the yoke plate (2) in a manner so that it can be rotated arbitrarily about the longitudinal axi... | 09/15/2009 |
| 7575218 | Magnet valve The invention relates to a magnet valve, having a valve insert and a tappet guided movably in the valve insert via a tappet guide, which tappet is braced on a valve body via a restoring spring resting a contact face of the tappet, and the restoring spring is guided ... | 08/18/2009 |
| 7505110 | Micro-electro-mechanical valves and pumps Methods of fabricating micro-valves and micro-pumps. The micro-valves and micro-pumps that are fabricated include electrically conductive diaphragms fabricated from electrically conductive nano-fibers. Fluid flow through the micro-valves and pumping action of the mi... | 03/17/2009 |
| 7467780 | Electromagnetic valve, particularly for a braking system of a motor vehicle An electromagnetic valve is provided with an elongated tappet guided axially displaceably in a tappet guide, and with a sealing body, embodied on the tappet, that can seal against a sealing seat. So that the valve can be produced more economically yet can be regulat... | 12/23/2008 |
| 7441560 | Solenoid valve for fuel cell A diaphragm is clamped between a solenoid unit disposed in a casing and a second valve body in which hydrogen is introduced. A filter comprising a bottomed cylindrical mesh member is mounted in a first passage defined in the first valve body. A restriction having an... | 10/28/2008 |
| 7398795 | Excess flow valve An excess flow valve includes: a valve that opens and closes a flow path; a solenoid that keeps the valve in an opened state; a pressure detector detecting the primary-side pressure of the valve; and a controller controlling current flow to the solenoid based on pre... | 07/15/2008 |
| 7396090 | EHB proportional solenoid valve with stepped gap armature A control valve includes a magnetic pole member. An armature is slidably supported relative to the magnetic pole member for movement between a fully open position and a closed position. A biasing spring is disposed between the magnetic pole member and the armature f... | 07/08/2008 |
| 7367636 | Solenoid armature with integrated spherical soft seal An improved valve for use in a heavy vehicle pneumatic braking and parking system is disclosed. The valve includes a solenoid coil assembly, a valve seat, an armature, and a spring. The solenoid coil includes a pole piece and produces a magnetic field when energized... | 05/06/2008 |
| 7331564 | Normally open high flow hydraulic pressure control actuator A solenoid-operated valve includes a valve body defining a valving bore for providing a path of communication between axially spaced inlet and outlet ports. A solenoid assembly is attached to the valve body and includes an inductor coil, a fixed flux guide and an ar... | 02/19/2008 |
| 7332040 | Semiconductor manufacturing system having a vaporizer which efficiently vaporizes a liquid material A vaporizer can efficiently vaporize a liquid material under a depressurized atmosphere. The liquid material is temporarily stored in a liquid storing chamber, and is supplied to a vaporizing chamber set in the depressurized atmosphere via a small aperture. An inlet... | 02/19/2008 |
| 7325564 | Linear solenoid valve A linear solenoid valve includes a solenoid having a coil wound around a coil bobbin, a fixed core, and a movable core for being attracted to the fixed core when the coil is energized, and a valve mechanism having a valve element for selectively bringing an inlet po... | 02/05/2008 |
| 7308909 | High pressure three way valve A solenoid operated valve includes a fluid inlet and a fluid inlet, a common port, a normally open port and a normally closed port combined on an end cap. The valve further includes a coil housing that houses two coils, a first coil and second coil, that are in para... | 12/18/2007 |
| 7309031 | Fuel injection valve A fuel injection valve includes a fuel injection port, a needle for cutting the fuel flow into the fuel injection port and a needle mover for moving the needle away from the fuel injection port and allowing the fuel to flow into the fuel injection port. When the nee... | 12/18/2007 |
| 7299904 | Brake fluid pressure maintaining apparatus for vehicles A brake fluid pressure maintaining apparatus for a vehicle, having: a master cylinder; a check valve; and, a normally-open-type electromagnetic valve including an electromagnetic coil, a fixed core, and a movable core, and in the brake fluid pressure maintaining sta... | 11/27/2007 |
| 7294503 | Microfabricated crossflow devices and methods A microfluidic device for analyzing and/or sorting biological materials (e.g., molecules such as polynucleotides and polypeptides, including proteins and enzymes; viruses and cells) and methods for its use are provided. The device and methods of the invention are us... | 11/13/2007 |
| 7289878 | Apparatus and method for modifying operation of an electric gun driver A method and apparatus for providing adjustment of current-related dispensing parameters in an electric dispensing gun. A control circuit receives user-selected inputs corresponding to dispensing parameters of the gun and converts those inputs into digital signals. ... | 10/30/2007 |
| 7278447 | Co-axial solenoid actuator An actuator assembly comprised of: a first coil and a second coil, each with a bore and a producing a magnetic flux when subject to an electric signal; a tube extending through the bores such that coils are coaxial; a magnetic pole piece within the tube and generall... | 10/09/2007 |
| 7273206 | Electromagnetic valve An electromagnetic manipulating portion of an electromagnetic valve includes a fixed iron core fixedly disposed in the inside hole of a bobbin and a movable iron core movably disposed in the inside hole and attracted to the fixed iron core by a magnetic attraction f... | 09/25/2007 |
| 7274079 | Sensor design and process An accelerometer (305) for measuring seismic data. The accelerometer (305) includes an integrated vent hole for use during a vacuum sealing process and a balanced metal pattern for reducing cap wafer bowing. The accelerometer (305) also includes... | 09/25/2007 |
| 7264230 | Carburetor and solenoid assemblies and methods of assembling the same An engine carburetor and a solenoid valve assembly therefor and methods of assembling the same. The carburetor has a body with a fuel and air mixing passage communicating with an air bleed passage. A cavity extends into the body for communication with the air bleed ... | 09/04/2007 |
| 7246787 | Solenoid valve assembly A valve assembly comprised of a solenoid coil, having a coil bore, and being operative to produce a magnetic field when subject to an electric signal, a fixed magnetic pole piece within the coil bore, a generally cylindrically and axially translatable armature with ... | 07/24/2007 |
| 7243899 | Valve arrangement An electromagnetic valve arrangement with a valve element having least one part disposed in a valve chamber defined by a valve insert in the region of a valve seat. An end facing away from the valve chamber of the valve element is operatively connected to an armatur... | 07/17/2007 |
| 7234483 | Electro-pneumatic air pressure regulator An electro-pneumatic air pressure regulator includes a primary pressure introduction port, a secondary pressure output port, a pilot pressure chamber, a main valve for opening and closing a communicating conduit, a floating piston which actuates the main valve, a no... | 06/26/2007 |
| 7219876 | Electromagnetic valve apparatus The force to draw an armature of an electromagnetic valve apparatus driving a valve for opening or closing a high-pressure liquid passage is increased and valve bouncing is alleviated by a surface of the core being flat and a surface of the armature facing the surfa... | 05/22/2007 |
| 7214298 | Microfabricated cell sorter The invention provides a microfabricated device for sorting cells based on a desired characteristic, for example, reporter-labeled cells can be sorted by the presence or level of reporter on the cells. The device includes a chip having a substrate into which is micr... | 05/08/2007 |
| 7211923 | Rotational motion based, electrostatic power source and methods thereof A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe... | 05/01/2007 |
| 7198334 | Brake fluid control device An engagement portion with a shape recessed in a radial direction of a sleeve is formed on an outer peripheral surface of the sleeve so as to circuit the outer periphery of the sleeve. The engagement portion is also disposed inside an assembly hole of a housing. Cau... | 04/03/2007 |
| 7195226 | Solenoid valve with spherical armature A valve includes a valve body, a flux tube, and a winding. The body defines first and second passageways, and a circular opening is defined in the second passageway providing fluid communication between the passageways. The flux tube has a closed end, an open end, a... | 03/27/2007 |
| 7195393 | Micro fluidic valves, agitators, and pumps and methods thereof A valve which has a structure with at least one opening and a member which has a fixed static charge and also has a first position exposing the opening and a second position sealing the opening. A method for making the valve includes providing a structure with at le... | 03/27/2007 |
| 7182413 | Valve seat for a control valve in a vehicle brake system A valve seat assembly for a control valve of a vehicle brake system includes a valve seat body. A valve passageway extends through a portion of the valve seat body. A groove is formed circumferentially in an outer surface of the valve seat body. The groove defines a... | 02/27/2007 |
| 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 |
| 7168679 | Electromagnetic valve An electromagnetic valve comprising has a valve seat, a valve element movable relative to the valve seat so as to open or close a hydraulic fluid passage interposed therebetween and a plunger movable together with the valve element relative to the valve seat, wherei... | 01/30/2007 |
| 7165754 | Electromagnetic valve The invention relates to an electromagnetic valve, the valve coil of which is actuatable by an electric current for removing deposits at the valve seat and the valve closure member in such a manner that the valve closure member impinges upon the valve seat with a de... | 01/23/2007 |
