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| Number | Title | Issue Date |
| 8186646 | Valve trim retention apparatus Valve trim retention apparatus for use with valves are described. An example valve trim retention apparatus includes a liner to retain a valve seat within a valve body. The liner includes an outer surface having first external threads to engage a first threaded open... | 05/29/2012 |
| 8087638 | Apparatus to control a fluid flow characteristic of fluid regulator bypass valves Apparatuses to control a fluid flow characteristic of fluid regulator bypass valves are described. An example apparatus includes an insert having a body sized to be inserted in a passage of a bypass valve. The body includes an opening to fluidly couple a bore of the... | 01/03/2012 |
| 8038121 | Fluid control valve with sensing port A fluid control valve includes a valve housing having an inlet and an outlet. A metering plug is located within the valve housing, and is configured to move linearly within the valve housing along a valve axis between an open position to allow fluid flow between the... | 10/18/2011 |
| 8028968 | Variable orifice gas flow modulating valve A temperature control system for a gas appliance utilizes an improved variable orifice gas flow modulating valve (10) capable of direct modulation of gas flow through an orifice (20) directly into a gas burner (54) to provide a constantly mainta... | 10/04/2011 |
| 7913973 | Reverse flow fueldraulic valve A reverse flow valve for metering high pressure gaseous media, such as ignition media to the injectors of a scramjet engine in a hyerpsonic flight vehicle, has a metering member that moves parallel to the flow direction of the metered media and throttles the valve i... | 03/29/2011 |
| 7828264 | Flow control valve A capacity control valve where a valve section is caused to be in contact with and separated from a valve seat by a valve rod to control the flow rate of pressurized fluid. The capacity control valve includes a first valve rod having a valve section and having a fir... | 11/09/2010 |
| 7758014 | High-pressure miniature needle valve with pressure-enhanced seal A miniature needle valve having an improved internal body-to-bonnet metal-to-metal seal. The body seal incorporates a novel dovetail feature that improves the metal-to-metal contact forces as pressures increase. The space requirements of the seal are minimized in or... | 07/20/2010 |
| 7429027 | Self-flushing needle valve A needle valve with a hollow needle effective for permitting a portion of the fluid passing through the valve to flow throughout the valve and exit through any leaks in the valve, whereby any environmental fluid within the valve is displaced by the fluid passing thr... | 09/30/2008 |
| 7370673 | Self-contained isolated port A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is located at one end of the bore. An annular protrusion axially extends fr... | 05/13/2008 |
| 7363941 | Fluid control valve device Certain embodiments of a fluid control valve include one or more ceramic components that operate substantially free of tensile stress concentrations along the control surfaces. In some embodiments, a fluid control valve includes a ceramic plug having a set of longit... | 04/29/2008 |
| 7331561 | Method and an apparatus for selectively releasing air from a mold A method and an apparatus 10 for selectively venting air 98 from the internal cavity 94 of a mold 90. Particularly, the apparatus 90 includes a body 12 having a selectively movable member 30 whose position within the ... | 02/19/2008 |
| 7264222 | Modular valve assembly A valve assembly provides a holder cantileveredly attached to a boss on an end cap to axially dispose an actuator and a poppet on an axis with a valve seat formed in the end cap. The actuator is preferably a shape memory alloy actuator. The end cap may be placed in ... | 09/04/2007 |
| 7258034 | Rack bar of power steering gearbox Disclosed is an apparatus for protecting impact to a rack bar of a power steering gearbox comprising an oil pressure cylinder, to which oil which has passed through an oil pressure pump and a rotary valve is supplied through a left port or right port, a rack bar dis... | 08/21/2007 |
| 7237573 | High pressure, low flow rate fluid flow control An adjustable high pressure, low flow metering valve provides a sleeve extending about a restrictor shaft, the sleeve having a narrow helical groove formed in the inside diameter. A restrictor shaft within the sleeve encloses the groove and forms a sealed helical fl... | 07/03/2007 |
| 7237574 | Controlled dispersion multi-phase nozzle and method of making the same A nozzle design and method for designing such a nozzle being adapted for three phase slurry flow from the choke into the flash tank during pressure let-down in autoclave mining operations that uses a selection of the expansion ratio in the choke to select a nozzle d... | 07/03/2007 |
| 7210338 | Valve testing device having integrated purge circuit and method of valve testing A valve testing device and method for determining whether a fluid control valve, such as an automatic transmission valve, is operating acceptably. The device and method of the present invention passes pressurized fluid through the valve and to a flow measuring means... | 05/01/2007 |
| 7181306 | Enhanced plasma etch process A method of operating a plasma etcher wherein gas is introduced into the etcher at a substantially higher rate than a previous standard rate for a desired etch selectivity, and the throttle valve's open value is set to a substantially greater open value than a previ... | 02/20/2007 |
| 7168678 | Needle valve construction A valve including a valve body, the valve body providing an inlet and an outlet, a valve seat between the inlet and the outlet, a valve member, the valve member and valve seat being relatively movable to control flow through the valve, the valve member engaging the ... | 01/30/2007 |
| 7152844 | Conical valve for cryogenic media A valve has a valve needle for feeding a medium into a receptacle, a valve chamber, and a valve seat. The end face of the valve needle when the valve is closed as well as the valve chamber essentially closing off flush with an inner surface of the receptacle. The en... | 12/26/2006 |
| 7137612 | High recovery metering valve A high recovery metering valve includes an inlet, outlet and a plenum. An internal valve trim places the plenum in communication with the outlet. A valve poppet is moveably positioned within the internal valve trim. In one embodiment, the valve poppet includes a dis... | 11/21/2006 |
| 7124770 | Shear mechanism for backpressure relief in a choke valve The present invention relates to a mechanism for preventing damage to the actuator of a hydraulic choke valve in the event of excessive backpressure on the outlet of the choke. The backpressure relief device is applicable to a choke valve which meters flow from a hi... | 10/24/2006 |
| 7125230 | Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ... | 10/24/2006 |
| 7121296 | Variable orifice valve for air stream containing particulate coal A variable orifice valve for balancing the flow of particulate coal in an air stream relative to other parallel conduits. The valve comprises a section of conduit which changes in area along its flow axis and a variable position valve element mounted within the cond... | 10/17/2006 |
| 7114699 | Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders A valve apparatus, and combined valve-regulator apparatus, for safely regulating the flow of combustible gases such as oxygen. ... | 10/03/2006 |
| 7086417 | Gas flow control device Invention is of an improvement to seat of gate valves used for gas-lift producing oil wells, consisting of a seat lower part of which is curved there being a straight vertical art and a sloping straight lower part, central spacing consisting of a first part in the s... | 08/08/2006 |
| 7077290 | Beverage forming and dispensing system A beverage dispensing system includes separate valves for controlling the flow rate of a diluent and a concentrate. Various concentrates of different viscosities can be used and the selected concentrate is identified. The flow rate of the concentrate is determined b... | 07/18/2006 |
| 7077299 | Dispensing faucet for a pressurized source A faucet comprises a valve body having a bore, an inlet port and an outlet port. A plunger is disposed in the valve body and is reciprocated in the bore. The inlet port opens into a fluid passage adapted for connection to a pressurized source, and the outlet port op... | 07/18/2006 |
| 7069137 | Valve flow metering control system and method A turbine valve control system is provided. The turbine valve control system includes a variable flow metering device, a first sensor, a second sensor, a third sensor, a fourth sensor, memory, and processing circuitry. The variable flow metering device is capable of... | 06/27/2006 |
| 7044434 | High recovery sonic gas valve A high recovery sonic gas valve design with the inlet flow entering transverse and orthogonal to the outlet flow is presented. The configuration cancels the effects of the inlet flow entering orthogonal to the axis of the nozzle and diffuser. The inlet passage is cu... | 05/16/2006 |
| 7036789 | Distribution valve comprising a flowmeter for installing in an inlet A distribution valve having a flowmeter for use in a flow pipe of a hot water heating circuit. The distribution valve has a branch line and an adjusting and measuring unit for adjusting and displaying the flow rate through the branch line with the elements being scr... | 05/02/2006 |
| 7036790 | Vacuum pressure regulating valve An annular valve seat is formed in a connecting path connecting a first main port and a second main port, a circular flow path wall having a diameter greater than a seat diameter is formed around the valve seat so as to surround the valve seat, a circular outer peri... | 05/02/2006 |
| 7036788 | Directly controlled proportional pressure limiting valve A proportionally adjustable pressure limiting valve wherein a valve cone may be actuated via an armature of a proportional solenoid. The valve cone is cardanically supported in the armature. Additional guidance of the valve cone is effected through the intermediary ... | 05/02/2006 |
| 7028983 | Coupling member of a pipe coupling and valve body used in a coupling member When a valve body of a coupling member is moving toward a fluid passage closed position, if the valve body becomes inclined, the present invention prevents a sealing ring of the valve body from coming into friction engagement with a conical wall surface of the fluid... | 04/18/2006 |
| 7017611 | One-piece manifold for a reverse osmosis system A one-piece manifold for a reverse osmosis system includes a filter configured to receive water from a water port and a membrane configured to receive filtered water via a first conduit. The membrane is also configured to send permeate water to a reverse osmosis tan... | 03/28/2006 |
| 7007917 | Electromagnetic control valve An electromagnetic control valve having a permanent magnet and a needle are fitted in a cylindrical valve body, and a coil, and first and second yokes are mounted on an outside circumferential surface of the valve body. There are first and second ports in the valve ... | 03/07/2006 |
| 7004448 | Trim insert for choke assembly A trim insert for a choke assembly is disclosed, wherein the trim insert is a tubular member with a substantially constant inner diameter. A first end of the device is positioned within an adjacent upstream sleeve and a second end is sealingly retained within the di... | 02/28/2006 |
| 6991212 | Needle valve In a needle valve (1) for a high-pressure gas conduit system consisting of two units (2, 3) which are joined and one of which encloses a stepping motor (8) and the other includes gas flow passages and a gas flow control bore (17), a valve... | 01/31/2006 |
| 6981688 | Flow control device A flow control device includes an opening part through which an upstream side of a fluid flow passage is in communication with a downstream side of the fluid flow passage. A valve element closes the opening part and includes a large flow rate controlling valve eleme... | 01/03/2006 |
| 6962270 | Dosing valve with flow rate sensor for a beverage dispenser A beverage dispenser to provide a plurality of different flavors with accurate mixing control comprises a housing (40, 42, 44) containing a diluent valve (46A, 46B) and at least two concentrate valves (48A, B, C, D), each valve having its... | 11/08/2005 |
| 6935616 | Balanced plug valve A balanced plug valve having substantially reduced shut-off force requirements due to an integral dual seating arrangement of the valve plug within a valve housing having slanted inlet and outlet ports and wherein the inlet port forms an elliptical opening for fluid... | 08/30/2005 |
