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| Number | Title | Issue Date |
| 7455075 | Servo valve with miniature embedded force motor with stiffened armature A servo valve has a miniature force motor embedded in a main fluid chamber to directly operate between two nozzles to generate a differential pressure in two ports. The miniature force motor includes two disc ring-shaped magnets in opposing magnetic orientation, an ... | 11/25/2008 |
| 7438089 | Hydraulic pilot control unit with oscillation damping system The present invention relates to the field of units for hydraulic pilot control of directional-control valves used in the fabrication of mobile vehicles and particularly relates to a hydraulic pilot control with an oscillation damping system. Connections are provide... | 10/21/2008 |
| 7409811 | Two stage vacuum valve for a vacuum packaging system A vacuum control valve includes a valve body defining a cavity, an inlet opening and a vent opening. A vacuum supply control member is movably mounted at the inlet opening, and is movable between an open position to open the inlet opening, and a closed position to c... | 08/12/2008 |
| 7347221 | Solenoid valve A valve assembly comprises two valves and a single solenoid actuator with only one magnetizing coil that controls both valves. The corresponding magnetic circuit comprises a yoke with only two pole pieces. The valves are arranged concentric to one another. The valve... | 03/25/2008 |
| 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 |
| 7318576 | Bi-directional air valve for a tank system of a motor vehicle The invention includes a bi-directional air release valve for the tank system of a motor vehicle having an inlet opening, an outlet opening, a valve seat placed between the openings, and a closure element. In a closed position the closure element blocks the flow com... | 01/15/2008 |
| 7316243 | Fluid delivery system A fluid delivery system includes a fluid storage vessel that feeds a first pipe work loop having a first pump that urges fluid through the first loop at a first pressure and which returns to the vessel. At least one pipe work branch is fed from the storage vessel or... | 01/08/2008 |
| 7303201 | Air suspension system for a vehicle A height control valve linkage assembly for an air suspension system, including an air bag and a height control valve controlling the supply of air to the air bag. A telescopic linkage is positioned between the arm of the height control valve and the suspension. The... | 12/04/2007 |
| 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 |
| 7244222 | Apparatus for and method of positioning a slider on mating zipper elements An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s... | 07/17/2007 |
| 7217127 | Switching device for irrigation fluids in a dental handpiece A switching device for an irrigation line includes two flexible supply tubes (4a, 4b), each of the tubes connecting a flask containing an irrigation fluid to a handpiece via a peristaltic pump. The device includes at least one compression... | 05/15/2007 |
| 7204478 | Height control valve with universal mounting for a suspension system A height control valve for use in a vehicle suspension system for controlling the ride height of the trailer, the height control valve provided with a universal mounting for allowing greater flexibility in the mounting of the height control valve to a vehicle frame,... | 04/17/2007 |
| 7192033 | Trailing arm suspension and height control system with motorized valve therefor A trailing arm suspension for a vehicle. The trailing arm suspension having a height control system for controlling the ride height of the suspension relative to the vehicle. The height control system preferably comprises a motor driven height control valve. ... | 03/20/2007 |
| 7192032 | Electronic control of vehicle air suspension A system is provided for use on large vehicles of the type wherein the vehicle frame (12) is supported on vehicle axle assemblies (14, 20, 22) through air bags (26, 30, 32), and each air bag has a lower end coupled to the lower end of an arm suc... | 03/20/2007 |
| 7175102 | Thermoelement A thermal element of a simple structure which can have a reduced cost because a minimum required number of structural components are used, excels in response and endurance and enables forward and backward movement of a piston with the prescribed stroke under the eff... | 02/13/2007 |
| 7163133 | Apparatus for and method of moving a slider along mating zipper elements A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating... | 01/16/2007 |
| 7159662 | System for controlling a hydraulic actuator, and methods of using same The present invention is directed to a system for controlling a hydraulic actuator, and various methods of using same. In one illustrative embodiment, the system comprises a first hydraulic cylinder, an isolated supply of fluid provided to the first hydraulic cylind... | 01/09/2007 |
| 7159615 | Flow control valve A flow rate control valve comprising a valve body having an input port, an output port and an exhaust port, a valve means that is arranged in the valve body and controls the communication of the ports, and an electromagnetic operation means for driving the valve mea... | 01/09/2007 |
| 7159840 | Solenoid having reduced operating noise A solenoid valve is provided generally including a bobbin for supporting a coil and a core located adjacent to the bobbin. An armature is movably disposed relative to the core. A plunger is coupled to the armature and movable with the armature. A seal is coupled to ... | 01/09/2007 |
| 7147006 | Pilot operated valve A valve assembly having a fluid switch and a main valve for controlling fluid pressure in a working volume in three control states wherein the main valve has three ports for fluid, flow of fluid through a first port and a second port being controlled by the fluid sw... | 12/12/2006 |
| 7126458 | Sliding axle alarm An alarm system that indicates to an operator the status of locking pins of a vehicle sliding axle assembly. The alarm system includes an alarm valve coupled to the locking pins and in fluid communication with an alarm. When the pins are unlocked from a vehicle comp... | 10/24/2006 |
| 7121267 | Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance An integrated pressure management apparatus, system and method for minimizing resonance of a poppet. A housing defines a fluid communication passage between ports. The housing includes a first portion, which extends along an axis, and has a first surface parallel to... | 10/17/2006 |
| 7117889 | Three-way valve The object of the present invention is to provide a three-way valve reduced in the number of component parts and man-hours for assembling the component parts. A pressure chamber of a piston for urging a first main valve in a valve-closing direction by a spring, and ... | 10/10/2006 |
| 7117890 | Shuttling vehicle leveling valve A valve for supplying pressured air to vehicle air bags, includes a shuttle (20) with a valving member (80) having a precision polished seal surface (86) that presses against a precision polished sealed-against housing lower surface (50) ... | 10/10/2006 |
| 7106158 | Solenoid-actuated air valve A relatively rugged and simple solenoid-actuated valve (100) is disclosed having a coil assembly (150), including a bobbin (152), a winding (160) for generating a magnetic field, and a flux path bracket (162). A fixed pole piece ( | 09/12/2006 |
| 7077481 | Spring brake modulating relay valve A combined spring brake modulating relay valve integrates the functions of a relay valve and a modulating valve. The housing includes a valve assembly movable in response to air pressure provided to selected ports in the housing. A relay piston selectively communica... | 07/18/2006 |
| 7059688 | Electropneumatic control valve comprising a guide arrangement for a control piston Electropneumatic control valve for a pneumatic brake system of a vehicle having a relay valve housing in which an axially adjustable control piston is arranged for actuating a valve seat arrangement which switches the compressed-air flow between at least one exterio... | 06/13/2006 |
| 7048967 | Organic film vapor deposition method and a scintillator panel An organic film vapor deposition method includes a first step of supporting a substrate formed with a scintillator on at least three protrusions of a target-support element disposed on a vapor deposition table so as to keep a distance from the vapor deposition table... | 05/23/2006 |
| 7028996 | Vehicle suspension system and height control valve therefor A height control valve for controlling the relative height between a vehicle frame and a trailing arm suspension. The height control valve comprises a housing defining an interior chamber and having an inlet port fluidly connecting to a source of pressurized air. An... | 04/18/2006 |
| 6997181 | Personal hydration device A personal hydration device providing fluid delivery to an external mouthpiece and a gas mask mouthpiece is disclosed. The personal hydration device includes a container having an exit port and an exit valve, a diverter valve, an external mouthpiece, a gas mask with... | 02/14/2006 |
| 6988513 | Proportional valve A multistage proportional valve for controlling the pressure of a fluid inside a container includes a fluid outflow passageway having an exhaust opening, an actuatable fluid inflow passageway having an intake opening and an actuatable exhaust cover for selectively c... | 01/24/2006 |
| 6973725 | Scissors assembly A scissors assembly includes a main body, a jaw plate, and an angle adjusting base. Thus, the scissors assembly has a simplified construction and can be positioned efficiently. In addition, the scissors assembly can adjust the cutting angle easily and conveniently. ... | 12/13/2005 |
| 6968581 | Jet propulsion system for spa or jetted bath using control of air draw to venturi jets with a three-way air control valve A air selection control valve and assembly capable of controlling the flow of air into a water conduit to accelerate, decelerate, or pulse the rate of water flowing in combination with a hot tub spa assembly is described. The control of the air inlet is controlled t... | 11/29/2005 |
| 6965715 | Lens and method for producing a lens A rod lens with one or more optically active surfaces and one or more inactive surfaces, in which one part of the optically inactive surface or surfaces, especially a lens facet and/or radial peripheral surface of a lens, is smooth, and a method for smoothing one pa... | 11/15/2005 |
| 6951317 | Vehicle, lightweight pneumatic pilot valve and related systems therefor A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ... | 10/04/2005 |
| 6948525 | Pilot valve comprising a valve seat arrangement An electropneumatic regulating valve for an air brake system of a motor vehicle, with a valve seat assembly which switches compressed air flow between at least one external brake line connection, a feed pressure connection, and a venting port, the valve seat assembl... | 09/27/2005 |
| 6948721 | Variable leveling valve apparatus for a vehicle The invention is disclosed to variably control the amount of compressed air flowing per unit hour depending on the change in the level position of the wheel axles in a moving vehicle when the compressed air flows into air springs from the leveling valve or when the ... | 09/27/2005 |
| 6935374 | Pressure proportional control valve A pressure proportional control valve for controlling the pressure of an operation fluid, such as the air, in proportion to the output of an electromagnetic operation member. ... | 08/30/2005 |
| 6926814 | Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials An automatable measuring, cleaning and calibrating device for pH-electrodes or electrodes for measuring redox potentials, specifically in process engineering, having an electrode armature which keeps the measuring electrode in an operating position or in a maintenan... | 08/09/2005 |
| 6918902 | Irrigation and suction valve and method therefor The in-line hand operated valve controls the flow of at least the irrigation fluid or suction to a surgical site. First and second sources provide fluid and suction to the valve. Valve body source ports communicate with the source lines and a delivery port communica... | 07/19/2005 |
