Valves and valve actuation inventions 02/08

20080048139 - Dual-cylinder blowout preventer operator system: A hydraulic blowout preventer operator comprises a first piston rod coupled to a closure member The operator further comprises a first operator housing coupled to a bonnet and a head. The first piston rod extends through the bonnet into the first operator housing where is couples to a first piston... Agent: Conley Rose, P.C. David A. Rose

20080048140 - Fluid saving blowout preventer operator system: A hydraulic blowout preventer operator comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through the bonnet into the operator housing... Agent: Conley Rose, P.C. David A. Rose

20080048141 - Pilot valve: A valve assembly is disclosed that includes a main valve, a pilot valve, and means providing fluid communication between the main valve and the pilot valve. The main valve includes an inlet, outlet, and means adapted to selectively open and close fluid flow between the inlet and the outlet. The... Agent: Fraser Clemens Martin & Miller LLC

20080048142 - Valve with inherent enhanced turbulent flow metering device and flow regulation: A valve incorporates a device causing turbulents in the water stream just before passing over the turbine fins of the flow sensor. The device actually increases the Reynolds number or turbulence of the water stream increasing the contact of the water on the turbine. This causes the turbine to rotate... Agent: Reinhart Boerner Van Deuren P.C.

20080048143 - Plumbing control assembly: An assembly for controlling the flow, and ultimately the temperature, of water in a water supply line to a plumbing fixture that includes at least one valve capable of external activation in fluid connection with the at least one water supply line, the valve being capable of transitioning between a... Agent: Quarles & Brady LLP

20080048144 - Luer receiver and method for fluid transfer: An improved luer lock receiving septum having a configuration which provides rapid and tight resealing and yet allows penetration of the septum by the luer tip with a low penetration force. The elongated septum includes an upper portion of enlarged diameter having a target surface, a central slit, and a... Agent: Banner & Witcoff, Ltd.

20080048145 - Vulcanized rubber composition and articles manufactured therefrom: The rubber compositions described herein have been found to have an exceptionally long life as a spring-biased actuator diaphragm material that maintains its position compressed, e.g., bolted, between opposed flanges, while maintaining excellent compressibility, low temperature flexibility, hydrocarbon resistance, abrasion resistance and mechanical strength. The compositions include a copolymer rubber... Agent: Marshall, Gerstein & Borun LLP (fisher)

20080042084 - Hybrid micro/macro plate valve: A microvalve device includes a pilot valve and a pilot operated valve. The pilot valve includes a first layer having openings and a second layer having a chamber in communication with the openings, and a movable member for controlling fluid flow. The pilot operated valve includes three plates. Two the... Agent: Macmillan Sobanski & Todd, LLC

20080042085 - Fail-safe circuit for gas valves: The invention relates to a fail-safe circuit for gas valves. According to the invention, the fail-safe circuit (10) comprises at least one input (11) that can be connected to a regulator device and at least one output (12, 13) that can be connected to a gas valve. The fail-safe circuit... Agent: Crompton, Seager & Tufte, LLC

20080042086 - Solenoid valve: A valve is provided that includes a housing having an inlet, an outlet, and a valve seat therebetween. The valve includes a valve member movable towards the valve seat towards engagement with a stop, and away from the valve seat when the solenoid is energized. The valve member has an... Agent: Kevin Pumm Suite 400

20080042087 - Electrohydraulic valve control circuit with magnetic hysteresis compensation: A method for operating an electrohydraulic valve initially derives a characterization value that denotes how magnetic hysteresis affects valve operation. Upon receiving a command that designates a desired magnitude of electric current to be applied to the electrohydraulic valve, that command is modified based on the characterization value to compensate... Agent: Quarles & Brady LLP

20080042088 - Solenoid proportional control valve: A solenoid proportional control valve that is capable of controlling a large flow rate and easy to manufacture is provided. The proportional solenoid valve comprises a main orifice 4 that is formed between an inlet portion 1 and an outlet portion 2 of the valve, such that a main valve... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080042090 - Piloted solenoid valve assemblies and related methods: This patent document describes various valve assemblies comprising a valve member movable between an outlet flow-blocking and an outlet flow-passing position. A portion of a valve member first end is covered by a pilot, while a valve member second end is operatively associated with a solenoid mechanism. In an example,... Agent: Schwegman, Lundberg & Woessner, P.A.

20080042089 - Electromagnetically driven valve: An electromagnetically driven valve includes a drive valve that has a stem; an upper disk and a lower disk each of which has an arm portion, and each of which extends from a first end that is movably connected to the stem toward a second end that is movably supported... Agent: Kenyon & Kenyon LLP

20080042091 - Water-distributing control valve: A water-distributing control valve comprises a valve body, a valve shaft, at least one stop ring, a water-stop pad, a pressure distributing plate and a bolt element, wherein the valve body includes a watering pipe extended from the outer periphery thereof and having an outlet defined therein, and includes a... Agent: Kamrath & Associates P.A.

20080042093 - Pressure control valve: A pressure control valve is disclosed, which can suppress the generation of noise and vibration due to cavitation when hydraulic fluid is fed from a high-pressure side to a low-pressure side, which is caused by the change of a pilot poppet structure that is in detachable contact with a seat... Agent: Ladas & Parry

20080042092 - Valve: A valve includes a valve element; a valve seat; a coil spring; and a spring bearing portion. The coil spring, provided between the valve element and the spring bearing portion, presses the valve element toward the valve seat. An effective upper winding end of the coil spring and an effective... Agent: Oliff & Berridge, PLC

20080042094 - Elongated stopper device: An enlongated stopper device for A flow-control of molten metal from a vessel, containing molten metal, said device comprising: a) a body (10) made of a refractory ceramic material, b) a bore hole (12), having a longitudinal axis (A) and extending from an upper surface (10u) of said body downwardly,... Agent: Walker & Jocke, L.p.a.

20080042095 - Valve assembly: A valve assembly (10) comprising a valve member (14) having surfaces (70, 72, 74, 76, 78) radially sized and axially situated to provide an axial sealing force to insure leakfree operation. When the valve member (14) is in a supply position, the sum of fluid forces imposed on the radial... Agent: Don W. Bulson (parker Hannifin) Renner, Otto, Boisselle & Sklar, LLP

20080042096 - Valve unit, reaction apparatus with the same, and method of forming valve in channel: A valve unit, a reaction apparatus with the same, and a method of forming a valve by injecting a valve material into a channel are provided. The valve unit comprises a fluid channel constituting a flow path of a fluid and having a portion containing a first area of a... Agent: Sughrue Mion, PLLC

20080035868 - Valve unit: A valve unit is connected to a fixed member and an external member. The valve unit includes an actuator to actuate a valve member for communicating and blocking a fluid passage. The valve unit includes a housing defining a chamber therein for absorbing variation in pressure. A mount member secures... Agent: Nixon & Vanderhye, PC

20080035869 - Valve assembly including a torsion spring coupling a valve shaft and actuator shaft: A valve assembly comprises a flow control valve including a valve shaft, an electrical actuator comprising an actuator output shaft, and a torsion spring coupling the valve shaft and the actuator output shaft.... Agent: Kinney & Lange, P.A.

20080035870 - Programmable high speed valve actuator and power supply therefor: An electromagnetic actuator is described in which a rotor comprising permanent magnet means is rotatable in a stator which is magnetisable by causing an electric current to flow through at least one winding associated with the stator. The rotor has at least two stable rest positions, each defined by spring... Agent: Barnes & Thornburg LLP

20080035871 - Solenoid arrangement: A solenoid arrangement includes an electromagnetic valve device having a coil disposed in a casing, and a movable armature slidably received in the coil for allowing the movable armature to be actuated by the coil to move relative to the coil and the casing, the casing includes a sleeve having... Agent: Charles E. Baxley, Esq.

20080035872 - Outflow valve: A valve assembly configured to be mounted on a support structure comprises a flowbody having a first port, a second port, and a flow passage there between. A flange is coupled around the flowbody proximate the first port. A sleeve extends into the flowbody through the first port, and a... Agent: Honeywell International Inc.

20080035873 - Variable orifice gate valve: A gate valve for use in a supply conduit for airborne particulate coal being supplied to an input port of a multi-port combustion chamber. The gate valve comprises a circumferential support and a plurality of truncated sector-shaped valve elements which can move radially in and out relative to a common... Agent: Young & Basile, P.C.

20080035874 - Elliptical sealing surface for butterfly valve: A reduced component wear valve is comprised of a valve body having a passage therethrough and a disc attached to a rotatable shafts. The disc is utilized with a seal forming a gap between the disc and the seal proximate to the rotational axis of the disc. When the disc... Agent: Marshall, Gerstein & Borun LLP (fisher)

20080035875 - Microfluidic valve having free-floating member and method of fabrication: Micro check valves having a free-floating member for controlling flow of fluid in microfluidic and biomedical applications and methods of fabrication. A micro check valve includes a valve seat, a valve cap that contacts the valve seat and an untethered floating member that can move between the valve seat and... Agent: VistaIPLaw Group LLP

20080035876 - Gate valve having service position: A gate valve including a valve housing defining a valve chamber having an opening therethrough along a flow path, a gate support supported within the valve housing between a closed position in the flow path, an open position outside of the flow path, and a service position extending out of... Agent: Morgan, Lewis & Bockius, LLP

20080035877 - Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method: A fluid passage is emergently-closed in a short time without causing a water hammer by an extremely simple device and operation. A water hammerless closing device includes an actuator operated valve provided in a fluid passage, an electro-pneumatic conversion device for supplying a 2-step actuator operating pressure Pa to an... Agent: Griffin & Szipl, PC

20080035878 - Valve for actuating a clutch of a motor vehicle transmission: A valve for controlling a clutch in a motor vehicle transmission. The valve includes a control spool that is movably received in a bore of a valve housing to control hydraulic flow to and from control channels in the housing and that open into the bore. The control spool is... Agent: Alfred J Mangels

20080029722 - Diaphragm valve for irrigation systems: A diaphragm valve is disclosed that is adapted to reduce debris in the flow paths, reduce the water hammer effect, reduce the energy lost during flow, and/or improve bleed operation. The diaphragm valve includes at least two seals that are configured to permit multi-stage sealing of an opening in a... Agent: Fitch Even Tabin And Flannery

20080029721 - Tube clamp: A tube clamp includes a housing 1 that has an inner cavity 2 longitudinally passing through the housing 1 and an upper window 3, and a roller 4 that is mounted in the housing with its cylindrical surface positioned at the upper window and is movable longitudinally in the inner... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20080029723 - Electromagnetically driven valve: An electromagnetically driven valve includes a driven valve having a stem and carrying out reciprocating motion along a direction in which the stem extends, a disc support base, a lower disc having one end coupled to the stem and the other end supported by the disc support base so as... Agent: Oliff & Berridge, PLC

20080029724 - Valve element opening/closing device: A valve element opening/closing device may include a valve element for opening and closing an opening part, a drive mechanism for operating the valve element, and a motor for the drive mechanism. The drive mechanism may include a cam engagement part formed in the valve element, and a cam member... Agent: Cantor Colburn, LLP

20080029725 - Diaphragm-type electromagnetic valve with closing-force strengthening mechanism: An auxiliary valve member, an auxiliary pilot pressure chamber for applying a pilot fluid pressure to the auxiliary valve body, and a transmitting rod for transmitting operating force of the auxiliary valve body to a main diaphragm are provided other than the main diaphragm which is in contact with or... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080029726 - Metal valve stem and sealing system: A metal valve stem seal and sealing system includes a valve body, a metal valve stem housed within the valve body, a bonnet member housed within the valve body, and a U-shaped metal stem gasket positioned between the metal valve stem and the bonnet member. The gasket has a first... Agent: Mcandrews Held & Malloy, Ltd

20080029727 - Adjustable sealing means: A valve has a valving element which is rotatably fitted within a valve body. This valving element of the valve is joined by a stem or shaft portion which extends out of the valve body to interact with an actuator and transmit torque to the valving element. In plug valves,... Agent: Brouillette & Partners

20080029728 - High aspect ratio threadform: A threadform for a gate valve has a set of threads on a stem that engage a threaded receptacle of the gate. When the stem is rotated, the gate moves. The threads have a thread height to thread base thickness ratio that is at least the inverse of 0.7 times... Agent: Bracewell & Giuliani LLP

20080029729 - Torque sensitive diaphragm valve: This invention relates to pressure torque sanitary diaphragm valves and methods of using torque sensitive sanitary valves in the production of chemical and biological therapeutics to obtain procedural reproducibility in the production pharmaceutical compounds and intermediates related thereto.... Agent: Mr. Scott Meyers

20080029730 - Rotary valve: In a rotary valve comprising a tubular housing (3) having, at the side part, a port (6) for communicating the inside and the outside thereof, and a tubular valve body (10) which is contained within the housing rotatably and has, at the side part, an orifice hole (11) capable of... Agent: Rabin & Berdo, PC