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| Number | Title | Issue Date |
| 8173081 | Stopper body A stopper body of refractory material and cylindrical shape having a first end (10), a second end (14) and an intermediate zone (12) there between, with a bore (16) of circular cross section, extending from said first end (10) in a... | 05/08/2012 |
| 7735805 | Water control valve A water control valve designed to control the flow of water from a source to a treatment tank having a plurality of treatment media, thereby providing a supply of treated water, and also provides other cycle controls. For instance, the water control valve directs wa... | 06/15/2010 |
| 7624963 | Valve flow adjustment device A valve with a flow adjustment device in the form of a valve stem travel limiter includes a collar having a passage therethrough to receive a valve stem having a projection, the collar further includes a plurality of grooves having different depths. The flow adjustm... | 12/01/2009 |
| 7431264 | Knife gate valve A valve for controlling the flow of materials is provided. The valve has a valve body having a bore, a guide attached to the valve body, a gate movable within the guide into and out of the bore, and an actuator for the gate, the bore of the valve body having a profi... | 10/07/2008 |
| 7373948 | Variable output pressure backup valve A backup valve for use with a pool cleaner coupled to a source of water under pressure. The valve includes a housing having an inlet and at least a first outlet and a second outlet. The valve further includes a timing apparatus directing water from said inlet to the... | 05/20/2008 |
| 7357154 | Multi-stage positioning structure for a ceramic valve core A ceramic valve core has a multi-stage positioning structure. The multi-stage positioning structure includes a first snapper, which can move along with the swaying motion of the brake valve handle of the ceramic valve core, and a second snapper, which is an integrat... | 04/15/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7296761 | Hand-held dispenser A hand-held dispenser for precisely controlling the flow rate of water therethrough and for precisely controlling the metering of a liquid chemical into the water passing through the apparatus. ... | 11/20/2007 |
| 7232106 | Tilted and stepped diaphragm for control valves A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a... | 06/19/2007 |
| 7219696 | Cartridge for adjusting the flow rate and mixing of water flows in faucets in general The present invention relates to a cartridge for adjusting the flow rate and mixing of water flows in faucets in general, comprising a cartridge body therefrom a rod to which a drive knob is coupled projects. The main feature of the invention is that the cart... | 05/22/2007 |
| 7214210 | Cassette and method for drug preparation and delivery A disposable cassette for mixing an intravenous drug in a vial to a patient includes a liquid inlet for connection to a liquid supply, a first vial spike, a second vial spike and a chamber. The chamber, the first and second vial spikes, and the liquid inlet are in f... | 05/08/2007 |
| 7201360 | Pneumatic device having a selectively variable orifice A pneumatic device having a selectively variable pneumatic output comprises an inlet connectable to an air source and an outlet disposed in a flow path, a control assembly in the flow path and having a plurality of differently sized primary orifi. The control assemb... | 04/10/2007 |
| 7195229 | Automatic sampler In a direct injection type automatic sampler, a sampling needle having a liquid sample collected from a sample vessel by using suction force of a pump is inserted into an injection port. Then, a flow path-switching valve is rotated to switch a flow path to make a fl... | 03/27/2007 |
| 7182075 | EGR system A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or delta pressures between the systems, particularly since intake pressures may often e... | 02/27/2007 |
| 7179373 | Removing foreign matter from aquarium water Apparatus and method for removing foreign matter from water at selected levels in an aquarium utilize a valving mechanism placed between a skimmer adjacent the upper surface of the water and a lower inlet adjacent the lower bottom of the aquarium, the valving mechan... | 02/20/2007 |
| 7168683 | Oil drain valve A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, an o-ring and a cap. In another exemplary embodiment, the drain valve includes a valve body, an o-ring, a cap retainer... | 01/30/2007 |
| 7118088 | Fluid control valve To provide a fluid control valve which is capable of preventing or suppressing degradation of the accuracy of flow rate control dependent on the lift amount of a valve element from a valve seat. An expansion valve is configured such that a valve portion and a valve ... | 10/10/2006 |
| 7063302 | Sample valve with integral sample shut off function for chromatograph A multiple port valve integrated with the function of the sample shut off valve is disclosed. The integration of the sample shut off function eliminates extra plumbing and labor costs associated with a separate sample shut off valve. Additionally, the multiple port ... | 06/20/2006 |
| 7063107 | Dual chamber orifice fitting body A dual chamber orifice fitting, including a body with a lower chamber in fluid communication with a pipeline and a top with an upper chamber in fluid communication with the lower chamber. A valve assembly closes to hydraulically isolate the upper chamber from the lo... | 06/20/2006 |
| 6994321 | Reciprocating ball valve The device described herein is a valve suitable for the control or shut-off of fluid flow in a piping system. It comprises a valve housing having inlet and outlet ports and a cylindrical bore whose axis is slanted at about 45 degrees in relation to the axis connecti... | 02/07/2006 |
| 6955664 | Suction regulator and fluid drainage system A low cost suction regulator is disclosed in conjunction with a fluid drainage system that includes a suction chamber and a collection chamber. The suction regulator is comprised of an atmospheric chamber and a suction chamber separated by a divider. An opening in t... | 10/18/2005 |
| 6953056 | Metering valve assembly A metering valve assembly is provided with a valve stem having one or more tapered channels formed therein for selective engagement with a valve seat to provide incremental regulation of fluid flow through a valve housing. An adjustment knob provides one manner of r... | 10/11/2005 |
| 6948561 | Indexing apparatus An indexing mechanism is disclosed that can put a tool in a variety of positions while downhole in the face of high static and dynamic loads. In the preferred application, the mechanism controls a movable sleeve on a downhole choke. It contains an indexing feature c... | 09/27/2005 |
| 6926250 | Valve driving device A valve driving device includes a plurality of valve bodies that are simultaneously driven. Driven gears are disposed symmetrically with respect to an axis of the a common gear. Rubber valve bodies which are separate from the driven gears are disposed on the lower s... | 08/09/2005 |
| 6926249 | Precision modulating globe valve A precision modulating globe valve for controlling the flow of a fluid from zero to a maximum flow rate. The valve plug of the globe valve includes at least one flow modulating channel recessed from the outer surface of the valve plug. The outer surface of the valve... | 08/09/2005 |
| 6915648 | Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems Flow-regulating members are described that include a primary channel and a plurality of secondary channels. The primary channel defines a primary channel orifice in the flow-regulating member and the plurality of secondary channels define a plurality of secondary ch... | 07/12/2005 |
| 6874752 | Regulation insert with several adjustment possibilities A regulation insert, for insertion in a valve housing in a liquid-carrying medium, having adjustable pre-setting for regulation and/or adjustment of liquid amounts in plants with liquid-carrying media for limiting the medium to a pre-set maximum amount, independentl... | 04/05/2005 |
| 6869061 | Valves, and seismic sources incorporating the valves A valve has an input (3,13) and first and second outputs (4, 5; 14, 15). The valve also has a closure member (2, 12) that is operable to isolate the first output from the input, to isolate the second output from the input, to isolate both output... | 03/22/2005 |
| 6857281 | Expansion device for vapor compression system A vapor compression system having a line for flowing heat transfer fluid, a compressor and a condenser both connected with the line. The vapor compression system also has an expansion device connected with the line for expanding the heat transfer fluid. The expansio... | 02/22/2005 |
| 6827327 | Flow resistance setting nozzle A flow resistance setting nozzle capable of easily setting a target flow rate is provided. A metallic block has a through-bore through which a flow path forming metallic pipe is inserted. A pressing member in the form of a rectangular cross-section bar abuts the pip... | 12/07/2004 |
| 6824118 | Micro-adjustment flow control valve An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs an axial valve stem and a rotatable rough control knob that moves the ... | 11/30/2004 |
| 6796544 | Valve mount for water saving core shaft of single handled faucet A valve mount for water saving core shaft of a single-handled faucet has a valve embodiment housed in a receiving cavity of a faucet body with the upper section provided with internal threads to be in locking engagement with a locking cap. In the valve chamber of th... | 09/28/2004 |
| 6782692 | Fuel metering unit with two integrated outlet ports In a turbomachine, there is provided a fuel metering unit having a cylindrical outer sleeve containing a distributor cylinder in which a metering piston can be moved linearly under the action of a control element. The cylindrical sleeve has an inlet orifice for admi... | 08/31/2004 |
| 6726174 | Control valve, especially for an internal combustion engine, for the controlled recycling of exhaust gases The invention relates to an exhaust gas control valve with a first valve part (14) and a second valve part (44), which rest on one another with one side (17, 46), the valve parts (14, 44) in each case having passages (14, 45) and b... | 04/27/2004 |
| 6726175 | Gas valve A valve (100) for controlling gas flow for a gas heating which allows, as different embodiments, (1) A gradual and smooth transition from high flow to low flow. This is achieved by a rotatable control means (108) wherein the valve body or control means... | 04/27/2004 |
| 6695006 | Flow control providing stable fluid flow A flow control includes a support having a passage and a seal surface, a deformable seal that is engageable with the seal surface, and a bias member for exerting a variable bias against the deformable seal. The seal surface includes channels formed in its... | 02/24/2004 |
| 6688580 | Adjustable die for a fluid dispenser and method A die for dispensing a fluid onto a substrate, wherein the die has an movable lip adjacent a fixed lip to form a die opening therebetween. An actuator is mechanically connected to the movable lip and is operable to automatically move the movable lip with ... | 02/10/2004 |
| 6681762 | Method and an apparatus for providing a constant medicine dose for an inhalic application at low inhalic flow A device for flow rate limitation at low differential pressures, particularly for limiting the volumetric inhalation flow during inhalation of therapeutic aerosols, consists of a housing 11 including an aspiration orifice 14, an inhalation orifice 15 and ... | 01/27/2004 |
| 6637452 | Valve with self-cleaning trim The seal assembly is disclosed for use with a valve having a trim cage with an inner surface extending along in axis and a plug sized to fit inside the trim cage inner surface, wherein the plug is adapted to move along the axis thereof. A seal ring is att... | 10/28/2003 |
| 6607175 | Media control valve The present invention is related to valves for the controlling the flow of media. For example, the valves of the present invention may control the flow of solid media into a fluid stream. More, specifically, the valves of the present invention may be used... | 08/19/2003 |
