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| Number | Title | Issue Date |
| 8100144 | Mounting arrangement for a rotary valve A mounting arrangement for mounting at least one rotary valve to a drive shaft is provided, where the drive shaft includes at least one mounting hole at a predetermined position therein. The mounting arrangement may include at least one rotary valve having a curved ... | 01/24/2012 |
| 7360611 | Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on... | 04/22/2008 |
| 7347048 | Internal combustion engine comprising an engine braking arrangement In an internal combustion engine comprising an engine braking arrangement including a constant throttle valve, an exhaust gas turbocharger with a variable turbine guide vane structure and a power turbine connected to an exhaust tract and a compressor connected to an... | 03/25/2008 |
| 7322375 | High bandwidth rotary servo valves A valve includes a rotating, substantially pressure-balanced spool that selectively aligns openings within the spool with openings within a sleeve to selectively connect ports of a manifold for gas or liquid routing. A valve may also include a stem, a needle coupled... | 01/29/2008 |
| 7281844 | Variable static mixer A variable static mixer and system for accommodating variable and different flows in a pipeline so as to produce maximum mixing efficiency including a first mixer mounted in the pipeline and a second mixer mounted in the pipeline at a downstream location wherein the... | 10/16/2007 |
| 7278448 | Rotary ball valve assembly A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve element into a bore; (b) forming a fluid opening in the ball valve element ... | 10/09/2007 |
| 7275606 | Solids strainer system for a hydraulic choke The invention contemplates a strainer based upon a four-way, two-position rotary cylindrical plug valve having a hollow plug. The normal entry port for the sealing plug of the plug valve is a circular radial hole passing from the exterior of the plug into the interi... | 10/02/2007 |
| 7267322 | Wet well valve A valve assembly provides the ability for internal tank operations providing novel and unique methods for intricate measurement, monitoring, sampling, mixing, isolation, evaluation or other tasks desired inside tanks, vessels, piping or flow applications. The valve ... | 09/11/2007 |
| 7264221 | Butterfly valve assembly with improved flow characteristics A control valve assembly that utilizes a butterfly valve having a valve body and a valve disc movable between a seated position and an open position. The control valve assembly includes a flow insert positioned along the interior of the valve body and generally alig... | 09/04/2007 |
| 7234488 | Valve assembly and method with slotted plates and spherical ball plug A valve assembly, comprises a housing having an inlet, an outlet, and an internal volume; a pair of sealing rings and mounted to the housing; and a spherical plug rotatably disposed within the housing for contact with the seating rings, the spherical plug comprising... | 06/26/2007 |
| 7231940 | Control valve for a hydraulic power steering system A control valve for a hydraulic power steering system includes a pair of flow circuits arranged in parallel. Each flow circuit includes an upstream and downstream flow orifices arranged in series. Each set of orifices defines between the orifices an intermediate pre... | 06/19/2007 |
| 7213787 | Valves for annular conduits including aircraft fuel conduits and associated systems and methods Valves for annular conduits and associated systems and methods are disclosed. A fluid transmission system in accordance with one embodiment of the invention includes a first conduit having a first wall aligned with a flow direction in the first conduit and a second ... | 05/08/2007 |
| 7207352 | Bushing for thermally independent bypass air metering valve A bypass air metering valve is provided with a stationary case flange having a plurality of slots, a bushing positioned within each of the slots, and a metering ring positioned so as to ride on a surface of each respective bushing. Each bushing creates a gap between... | 04/24/2007 |
| 7178782 | Quiet opening ball valve A valve uniquely integrates ball valve and throttling valve principals, thus affording quieter stop-and-start operation. A ball held by two seat rings is rotatable ninety degrees and has a diametric bore adjustable between fully closed (0°) and fully open (90°) po... | 02/20/2007 |
| 7156122 | Rotary ball valve assembly A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve element into a bore; (b) forming a fluid opening in the ball valve element ... | 01/02/2007 |
| 7152627 | Control valve for a hydraulic power steering system A control valve for a hydraulic power steering system includes a pair of flow circuits arranged in parallel. Each flow circuit includes an upstream and downstream flow orifices arranged in series. Each set of orifices defines between the orifices an intermediate pre... | 12/26/2006 |
| 7143782 | Pressure regulator module for controlling a gas A pressure regulator module for controlling a gas is provided, which includes a chamber, at least one gas inlet, and at least one gas outlet. In addition, a proportional valve operating essentially according to the pressure-equalization principle is post-connected t... | 12/05/2006 |
| 7117894 | Ball valve with high damping of the noise due to fluid passage A regulation ball valve for a fluid flow in which a ball is rotatable to bring a passage thereof from a limit position of full opening of the valve to a limit position of full closure of the valve and vice versa. Present in the passage are perforated baffles that at... | 10/10/2006 |
| 7118549 | Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle An anti-siphon device limits the flow of a fluid from a first region of a patient's body to a second region. The device includes a housing having a spherical inner surface with a predetermined inner diameter. The housing has an inlet port for receiving fluid from th... | 10/10/2006 |
| 7096887 | Fluid valve A dual outlet valve is provided that is capable of obtaining a closed state for both outlet ports, a low flow for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least ... | 08/29/2006 |
| 7048003 | Polyvalve A flow control and pressure reducing valve having a polygonic valve body with an inlet chamber and an outlet chamber partitioned by a partition plate. A plurality of passages are formed through receptacles around the partition plate, with the inlet portion opening i... | 05/23/2006 |
| 7044436 | Regulation valve A ball valve for fluids comprises a body (11) provided with an inlet and an outlet (12, 13) and with an inner chamber (14) in which a ball element (15) having a main communication passageway (17) passing through the ball element it... | 05/16/2006 |
| 7013917 | Rotary valve A high-speed, high pressure rotary valve is provided comprising a valve body, a valve element which includes a plurality of passageways therethrough that is configured to be rotatably disposed within the valve body, and means for rotating the valve element within th... | 03/21/2006 |
| 7011109 | Drag ball valve A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedanc... | 03/14/2006 |
| 7008407 | Urine collection method and apparatus A urine collection device (10) that is made up of a flexible, thermoplastic urine collection bag (20), which receives urine through a molded plastic inlet fitment (30) that is secured to an upper end of the bag 5 and discharges urine thro... | 03/07/2006 |
| 6983925 | Rotary barrel gate valve A rotary barrel gate valve includes a body and at least one passage through the body defining an inlet and an outlet. There is a first actuator for rotating the body, a second actuator for translating the body, and a sealing portion on the body which seals the body ... | 01/10/2006 |
| 6973941 | Control valve with low noise and enhanced flow characteristics A control valve that reduces noise and controls flow includes a slotted cylindrical skirt and/or a tapered metal ring. The metal ring has a tapered external surface for engaging a matching tapered bore within a valve housing. One embodiment is directed to a control ... | 12/13/2005 |
| 6974116 | Rotary ball valve assembly A rotary ball valve assembly for a rotary ball valve comprises a rotary closure element and an impedance assembly. The closure element is rotatable about a rotational axis, and has a through-bore defining a flow inlet and a flow outlet. The impedance assembly is pos... | 12/13/2005 |
| 6935371 | High capacity globe valve A high flow globe valve with a body defining an interior cavity in communication with a first and second fluid passages. A tubular throttling cage is offset in the cavity away from the second fluid passage and has an open end in communication with the first fluid pa... | 08/30/2005 |
| 6923074 | Ball valve with flow-rate gauge incorporated directly in the ball A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on either side of the ball provide for obtaining pressure readings which c... | 08/02/2005 |
| 6923210 | Rotary drag valve A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedanc... | 08/02/2005 |
| 6913042 | Rotary drag valve A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedanc... | 07/05/2005 |
| 6874486 | Supercharger with multiple backflow ports for noise control A supercharger includes multiple back flow ports which are controlled by valves. The valves regulate the timing and area for back flow of pressurized outlet air into the rotor chambers. The back flow air tends to equalize air pressure in the chambers prior to their ... | 04/05/2005 |
| 6868865 | Rotary drag valve A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedanc... | 03/22/2005 |
| 6834675 | Integrated multipurpose caged valve An integrated multipurpose valve is a valve in which more than one type of valves are integrated in a cage held permanently in the pipeline, and the valve as a while can perform multiple functions which allow it to be a shut off valve, a pressure reducing valve, a p... | 12/28/2004 |
| 6810664 | Slotted spool valve A slotted spool valve for a speed control apparatus offering rapid response to prevent speed searching and cogging at low speed settings. Round port spool valve arrangements are replaced with a valve arrangement having rectangular-shaped ports. Response of the recta... | 11/02/2004 |
| 6675832 | Blowdown valve Disclosed is a blowdown valve for a boiler system for removing fluid that contains debris. The blowdown valve comprises a housing for a shutoff valve and a reversible throttle valve. The shutoff valve is fluidly connected to a fluid inlet that, in turn, i... | 01/13/2004 |
| 6651697 | Fitting, especially a tap cock A fitting, particularly a tap cock, for receptacles such as tank trucks or containers, which includes a housing (2), having an inlet opening (12) and an outlet opening (14), and a rotatable body (4) with a through passageway (48), having an inflow opening... | 11/25/2003 |
| 6540206 | Bidirectional ball valve particularly for ecological frigorific gases The present finding relates to a bidirectional ball valve usable particularly for ecological frigorific gases, which has a valve body housing a ball shutter connected to a control rod sealingly protruding from said valve body. The peculiarity of the findi... | 04/01/2003 |
| 6527194 | Flow control damper A damper including a pair of damper members movable with respect to each other is disclosed. Each damper member has at least one wall correspondingly inclined to an axis of the damper. The inclined walls are relatively movable between open and closed posi... | 03/04/2003 |
