| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 251309000 | Plug | 44 |
| 20080277613 | Valve - A valve for use as a fluid flow regulator having an inner part ( | 11-13-2008 |
| 20090032760 | ROTATIONAL MULTI VANE POSITIVE DISPLACEMENT VALVE FOR USE WITH A SOLAR AIR CONDITIONING SYSTEM - Rotational multi-vane positive displacement valves, preferably for use with a solar air-conditioning system. Each valve has an outer cylindrical valve body housing having an inlet port and an outlet port and an inner rotational cylinder disposed within the outer cylindrical valve body housing. The inner rotational cylinder can be supported by a longitudinal shaft offset from a center position of the outer housing. The inner rotational cylinder has a plurality of spring loaded vanes along a substantial portion of its longitudinal axis equally spaced around a circumference of the inner rotational cylinder. The outlet port is preferably located at least 100 degrees in direction of rotation from the inlet port, when the inner cylinder has four vanes. The shaft can extend beyond the outer valve housing and is adapted for attachment to external appliances. | 02-05-2009 |
| 20090050833 | FAUCET WITH SPHERICAL ROTATING CLOSURE - The invention concerns a faucet ( | 02-26-2009 |
| 20090114870 | TWO-PART BACK CAP FOR A PLUG VALVE AND PLUG VALVES INCORPORATING SAME - A two-part back cap for a plug valve includes a back cap seal body and a back cap retainer nut. The back cap retainer nut secures the back cap seal body within the plug valve and securely supports the back cap seal body. A gap between an outer periphery of the back cap retainer nut and the back cap seal body permits the back cap seal body to flex and expand with a plug valve body of the plug valve. This ensures that the back cap seals are not stressed and a longer service life results. | 05-07-2009 |
| 20090134351 | CONTROL VALVE - This invention relates to a control valve which comprises a first and a second flow channel ( | 05-28-2009 |
| 20090173903 | MEDICAL STOPCOCK - It is intended to provide a medical stopcock characterized by having a housing made of a polyarylene sulfide resin and a cock made of a polyolefin-based resin, which has such pressure-proofness as being usable in angiographic techniques, high chemical resistance (Lipiodol resistance) and tolerance to radiation sterilization, in particular, tolerance to electron beam sterilization. | 07-09-2009 |
| 20090218535 | FLOW CONTROLLERS FOR FLUID CIRCUITS - Flow controllers for controlling flow through a fluid circuit are disclosed. The flow controllers disclosed can close an open flow through a fluid circuit or divert flow from one destination to another. | 09-03-2009 |
| 20090278069 | Multiple piece frac valve insert - A multiple piece valve plug insert is disclosed. The valve plug insert has an insert body and an insert cover. The valve plug insert may be used with a valve having a valve seat and a valve plug that is movable into and out of sealing engagement with the valve seat. The valve plug insert along with a valve plug body comprise the valve plug. | 11-12-2009 |
| 20090302258 | PLUG ASSEMBLY WITH PLUG HEAD ATTACHMENT - A plug assembly includes a plug stem having a plug stem base, a plug head, and a fastening mechanism for fastening the plug stem base to the plug head, the fastening mechanism comprising at least two retainer clamps that surround and provide an interference fit between the plug stem base and the plug head. A method of replacing or attaching a plug head to a plug stem includes providing a plug stem having a plug stem base, providing a plug head, providing a fastening mechanism comprising at least two retainer clamps, and coupling the fastening mechanism around the plug stem base and the plug head to provide an interference fit between the plug stem base and the plug head. | 12-10-2009 |
| 20090309058 | PRECISION DISPENSE VALVE - A fluid dosing valve assembly for dispensing a volumetric amount of a fluid in precise and repeatable amounts, particularly for dosing small amounts. The fluid dosing valve assembly includes a valve body with a fluid path, and a stem element for opening and closing the fluid path by rotation, the rotation being performed from a first closing position to an opening position and from the opening position to a second closing position, with rotation angles between the first closing position and the opening position and between the opening position and the second closing position that allow the opening cycle to be performed at constant rotational speed. | 12-17-2009 |
| 20100001219 | TWO-PART BACK CAP FOR A PLUG VALVE AND PLUG VALVES INCORPORATING SAME - A two-part back cap for a plug valve includes a back cap seal body and a back cap retainer nut. The back cap retainer nut secures the back cap seal body within the plug valve and securely supports the back cap seal body. A gap between an outer periphery of the back cap retainer nut and the back cap seal body permits the back cap seal body to flex and expand with a plug valve body of the plug valve. This ensures that the back cap seals are not stressed and a longer service life results. | 01-07-2010 |
| 20100171060 | TWO-PART BACK CAP FOR A PLUG VALVE AND PLUG VALVES INCORPORATING SAME - A two-part back cap for a plug valve includes a back cap seal body and a back cap retainer nut. The back cap retainer nut secures the back cap seal body within the plug valve and securely supports the back cap seal body. A gap between an outer periphery of the back cap retainer nut and the back cap seal body permits the back cap seal body to flex and expand with a plug valve body of the plug valve. This ensures that the back cap seals are not stressed and a longer service life results. | 07-08-2010 |
| 20100187461 | HIGH-PRESSURE PLUG VALVE - A plug valve has a valve body, a cage fitted within the valve body and a rotatable plug housed within a cylindrical cavity in the cage, for controlling fluid flow through the valve. The cage has first and second opposed flat side surfaces, each side surface has a port for receiving a replaceable flow-path insert in a fluid-tight seal. In one embodiment, the plug also includes at least one inset seal for sealing the at least one of the ports when the plug is in a closed position to inhibit leakage through the valve at low fluid pressures. | 07-29-2010 |
| 20100237268 | SHAFT CONNECTION BETWEEN TWO SHAFTS - A shaft connection is provided between a first shaft and a second shaft, the first shaft having a longitudinal axis about which the first shaft can be rotated. The first shaft has a free end which engages into a coupling part which can be connected in a rotationally fixed manner to the second shaft. The free end of the first shaft is provided with an external profile which engages releasably into an internal profile of the coupling part. The external profile and/or the internal profile are/is configured in each case as a dihedron with two side surfaces which extend substantially parallel to one another. At least one side surface of the external profile and/or one side surface of the internal profile are/is configured in a convex manner in the longitudinal direction of the first shaft and/or the second shaft. | 09-23-2010 |
| 20100252768 | CONTROL VALVE TRIM - Provided is a control valve trim, including a plug having a plurality of sections arranged in series along a longitudinal axis, wherein each of the plurality of sections has a diameter that is greater than the diameter of the preceding section, and a plurality of slots in the surface of each of the plurality of sections, and a liner, wherein the plug is disposed internal to the liner. | 10-07-2010 |
| 20100301250 | REVERSIBLE FLOW VALVE ASSEMBLY - A flow valve is provided that comprises a valve chamber including first and second valve port openings in communication with first and second inlet/outlets. The valve further includes a shaft rotatably disposed in the valve chamber, and a first valve plate rotatably coupled to the shaft that is disposed in the valve chamber over the first valve port opening. The first valve plate has a first tapered slot positioned therein so as to align with the first valve port opening. The first valve plate is configured to rotate from its closed position covering the first valve port opening to an open position, where rotation of the first valve plate adjustably positions a wider or narrower portion of the first tapered slot over the first valve port opening. The valve further includes a second valve plate that is configured to rotate with the first valve plate, and to cover the second valve port opening. | 12-02-2010 |
| 20100301251 | PLUG VALVE WITH FLOW AREA EQUAL TO OR GREATER THAN THE FLOW AREA OF THE CONNECTED PIPING - An apparatus is provided that in some embodiments provide an improved plug valve having a plug with a curved cylindrical sealing surface and a substantially flat second surface. An inlet region of the housing has a constant cross-sectional flow area. | 12-02-2010 |
| 20110037008 | PLUG VALVE - A plug valve assembly having an inlet and an outlet comprises a housing including a bore extending through the housing between the inlet and the outlet and a cavity intersecting the bore, a plug mounted in the cavity for rotation between first and second positions. In the first position an orifice extending through the plug is aligned axially with the bore of housing to allow fluid to flow from the inlet to the outlet and in the second position fluid is prevented from flowing from the inlet to the outlet. Seals are located in the cavity between the plug and an inner surface of said cavity and a plug retaining member is releasably attachable to the housing. A surface of the plug retaining member limits upward movement of the plug in the housing. The housing includes a reinforcement collar extending around the inner surface of the cavity. | 02-17-2011 |
| 20110175008 | HIGH-PRESSURE PLUG VALVE - A plug valve has a valve body, a cage fitted within the valve body and a rotatable plug housed within a cylindrical cavity in the cage, for controlling fluid flow through the valve. The cage has first and second opposed flat side surfaces, each side surface has a port for receiving a replaceable flow-path insert in a fluid-tight seal. In one embodiment, the plug also includes at least one inset seal for sealing the at least one of the ports when the plug is in a closed position to inhibit leakage through the valve at low fluid pressures. | 07-21-2011 |
| 20110198525 | FLOATING CONICAL PLUG VALVE - This invention relates to a floating conical plug valve comprising the valve body with a path for medium passing by, the conical valve chamber which is intersected into the said path perpendicularly, a conical valve core which can be turned, inserted in valve chamber, used for cutting off the said path in case of valve closed, a valve stem for turning of the valve core and a spring fitted between the bottom of the valve core and the valve chamber, the valve cap is on the top of the valve body which characterized in that the said valve core features a floating conical plug valve core which can be moved up and down within the valve chamber, there is a rotational transmission sleeve on the top of the valve core, with the torque limited sliding block and the torsion transmission pin outside of the valve stem, the rotational telescopic inner sleeve matched up and by screw thread is fitted between the rotational transmission sleeve and the valve stem, there is the telescopic outer sleeve outside of the telescopic inner sleeve, In this invention it only needs one handle turning in one direction that the valve core can firstly be lifted and turned by a certain angle and then pressed downwardly for sealing engagement; there are no seal film between the surfaces of conical valve chamber and valve core, no losses caused by friction and erosion, small worn out and simplification in structure. | 08-18-2011 |
| 20110233437 | VALVE - A valve is provided having a flow passage interrupted by a plug chamber interposed in the flow passage. The plug chamber adapted to receive a rotatable valve plug inserted through the plug aperture and seated on the valve seat. The rotatable valve plug comprising a plug flow passage for fluid communication with the valve flow passage and extending through the plug and a pair of opposed resilient sealing region for the flow passage when the rotatable valve plug is oriented in a closed position. The sealing region presenting a leading edge at an obtuse leading edge angle relative to a portion of a wall of the plug chamber surrounding the flow passage, such that as the sealing region transitions into sealing engagement with the portion of the plug chamber wall as the rotatable valve plug is rotated from an open position to the closed position, the elastomeric seal is compressed substantially radially to form a seal against the plug chamber wall but not substantially deflected in a direction opposite to the direction of rotation. The sealing region presenting a trailing edge at an obtuse trailing edge angle relative to a portion of a wall of the plug chamber surrounding the flow passage, such that as the sealing region transitions into sealing engagement with the portion of the plug chamber wall as the rotatable valve plug is rotated from the closed position to the open position, the elastomeric seal is compressed substantially radially to form a seal against the plug chamber wall but not substantially deflected in a direction opposite to the direction of rotation. | 09-29-2011 |
| 20110260087 | MULTI-ROTOR FLOW CONTROL VALVE - An article of manufacture includes a first rotor having a first flow-through area that is more than 50% of a total first rotor flow area and a first ridged arc member, and a second rotor having a second flow-through area that is more than 50% of a total second rotor flow area and a second ridged arc member. The article further includes an upstream stator and a downstream stator, each stator having a co-extensive stator flow-through area and a co-extensive structural area. The article includes an actuator having an engagement gear between the ridged arc members, where a turn of the engagement gear moves the ridged arc members in opposing directions. The first rotor and second rotor are phased to be at a maximum closed at a first position of the engagement gear and a maximum open at a second position of the engagement gear. | 10-27-2011 |
| 20120097879 | COMPRESSED GAS CYLINDER WITH AN INTEGRAL VALVE - Described here are devices including gas cylinders for use in various applications. The applications may comprise the dispensing and administration of a compressed gas to the nasal mucosa of a user. The devices generally include an integral valve comprised of a valve seat and a valve pin. The orifice of the valve seat may be configured to limit the flow rate of the gas. | 04-26-2012 |
| 20120217426 | VALVE APPARATUS HAVING A DOUBLE-OFFSET SHAFT CONNECTION - Valve apparatus having a double-offset shaft connection are described herein. An example flow control member includes a sealing surface to move relative to a seal where the flow control member has a first axis and a second axis substantially perpendicular to the first axis and the first and second axes intersect a center of curvature of the sealing surface. The flow control member also includes an opening to receive a shaft where the opening has a third axis passing through the opening to define a pivot about which the sealing surface rotates. The third axis is offset from the first and second axes. | 08-30-2012 |
| 20120267558 | SELF-LUBRICATED PLUG VALVE HAVING A QUICK-CHANGE JACKET - The invention relates to a self-lubricated plug valve having a quick-change jacket, having a tapered shutter ( | 10-25-2012 |
| 20120292548 | Motorized rotary valve - A rotary valve ( | 11-22-2012 |
| 20130026405 | ROTARY VALVE AND ROTARY VALVE SEAL - A rotary valve includes a housing including an inlet and an outlet. A drum is rotatably located in the housing and includes one or more fluid pathways to convey fluid flow between the inlet and the outlet. The rotary valve further includes a single-piece unitary drum seal having a portion located around a perimeter of a port of the one or more fluid pathways to seal between the drum and the housing. A drum seal assembly for a rotary valve includes a single piece, unitary drum seal disposed at a drum of the rotary valve. The drum seal has a portion extending around a perimeter of a port of one or more fluid pathways of the drum to seal between the drum and an inner wall of a housing. The drum seal assembly further includes an energizer to urge the drum seal into contact with the housing. | 01-31-2013 |
| 20130193360 | Valve Trim Assembly and Flow Control Valve Including the Valve Trim Assembly - A flow control valve includes an inlet, an outlet, and defines a fluid flow path. A valve seat is disposed within a valve body, and a valve plug in the valve body is surrounded by a cage. An exterior surface of the valve plug includes a plurality of notch sets, each notch set spaced apart from an adjacent notch set along the longitudinal axis, and the cage is disposed within the valve body and arranged to retain the valve seat, with an interior of the cage including a plurality of annular recesses. The annular recesses are spaced apart along the longitudinal axis, and the cage includes a plurality of apertures forming a portion of the fluid flow path. The notch sets and the recesses are arranged to form a plurality of turns in the fluid flow path when the valve plug is shifted toward the open position. | 08-01-2013 |
| 20140048734 | PLUG VALVE HAVING PRELOADED SEAL SEGMENTS - A plug valve including a valve body having an inlet port, an outlet port and a central chamber extending between the inlet port and the outlet port. The valve also includes an inlet seal segment within the central chamber and includes a bore extending therethrough and aligned with the inlet port. An outlet seal segment is disposed within the central chamber having a bore extending therethrough and aligned with the outlet port. A plug member is disposed in the central chamber and is moveable between an open position, to facilitate fluid flow through the plug valve, and a closed position, to block fluid flow through the plug valve. First and second side segments are disposed between and interlocked to the inlet and outlet seal segments to encircle the plug member. The side segments are tensioned to preload the seal segments against the plug member to prevent the flow of fluid between the seal segments and the plug member. | 02-20-2014 |
| 20140110617 | PLUG VALVE WITH INTEGRATED HARD FACE SEAT - A plug valve includes a valve body ( | 04-24-2014 |
| 20140191148 | VALVE - The invention relates to a valve with a valve housing, in particular for controlling the liquid flow in a plant for central heating. The valve comprises an insert part with valve parts for controlling a liquid flow through the valve: a first part and a second part being mutually rotatable. The first and the second parts are provided with complementary through-flow openings that combine to define a common opening area and are configured such that, upon mutual rotation of those valve parts, a larger or a smaller total opening area is provided. The valve comprises a closure part which is disposed such that, upon axial displacement, it is capable of completely or partially closing off the total opening area through the through-flow openings. | 07-10-2014 |
| 20140252260 | Plug Valve Actuator Stem - An actuator stem assembly configured to provide bi-directional movement of a stem in relation to a plug to isolate external forces exerted upon the stem from misaligning the plug. The actuator stem assembly includes a stem, an intermediate slider, and a plug. The stem is configured to slidingly engage the intermediate slider in a manner sufficient to allow translation in a first direction. The intermediate slider is configured to slidingly engage the plug to allow translation of the intermediate slider in a second direction. The first and the second directions are perpendicular to one another, thereby allowing for bi-directional movement of the stem. | 09-11-2014 |
| 20140264125 | THERMOPLASTIC OR ELASTOMERIC SINGLE USE HIGH PURITY FULL FLOW PINCH VALVE FOR BIOTECH APPLICATIONS - A thermoplastic or elastomeric single use high purity full flow pinch valve can be used for high purity applications, such as biotech applications. The valve mimics the performance of a traditional valve with the added feature of being able to be gamma irradiated at a cost that allows it to be discarded after a single use. The valve can be considered as a single use valve can be practically considered as completely disposable. | 09-18-2014 |
| 20140353535 | ROTARY VALVES HAVING SEALING PROFILES BETWEEN STATOR AND ROTOR AND RELATED METHODS - Reciprocating compressors used in oil and gas industry having actuated rotary valves with sealing profiles between a rotor and a stator thereof and related methods are provided. An actuated rotary valve includes a stator having a stator opening, and a rotor having a rotor opening. At least one of the rotor and the stator has a sealing profile extruding from a surface of the rotor or of the stator towards an interface there-between, the sealing profile surrounding a respective one of the rotor opening or the stator opening. | 12-04-2014 |
| 20150053881 | SPLIT VALVE - A split valve includes: an upper valve body having a spherical surface abutting on a seat surface of a discharge port to block the discharge port and a hollow on a lower surface; a lower valve body that blocks a receiving port by causing a spherical surface to abut on a seat surface of a receiving port and has a protrusion fitted to the hollow of the upper valve body on its upper surface, a shaft that rotates the lower valve body, an air supply/discharge mechanism that supplies/discharges an air pressure into/from a chamber defined by the protrusion and the hollow. | 02-26-2015 |
| 20150345646 | PLUG VALVE HAVING PRELOADED SEAL SEGMENTS - A plug valve including a valve body having an inlet port, an outlet port and a central chamber extending between the inlet port and the outlet port. The valve also includes an inlet seal segment within the central chamber and includes a bore extending therethrough and aligned with the inlet port. An outlet seal segment is disposed within the central chamber having a bore extending therethrough and aligned with the outlet port. A plug member is disposed in the central chamber and is moveable between an open position, to facilitate fluid flow through the plug valve, and a closed position, to block fluid flow through the plug valve. First and second side segments are disposed between and interlocked to the inlet and outlet seal segments to encircle the plug member. The side segments are tensioned to preload the seal segments against the plug member to prevent the flow of fluid between the seal segments and the plug member. | 12-03-2015 |
| 20160010754 | ROTATING VALVE TRIM | 01-14-2016 |
| 20160091098 | Integrable Barrel Valve and Irrigation Piping Component Comprising Same - A piping component comprising a pipe member comprising a body section, a proximal section having a proximal opening, and a distal section having a distal opening, wherein the proximal and distal openings are in communication with one another to permit fluid to flow through the body section. The piping component further comprises a barrel valve adapted to be positioned at least partially within the body section comprising a barrel member and a rotation member connected to the barrel member. A bore is formed In the barrel member, When the barrel member is in a first orientation, the bore is aligned to permit fluid flow through the body section. When the barrel member is in a second orientation, the bore is aligned to prevent fluid flow through the body section. | 03-31-2016 |
| 20160123479 | CONTROL VALVE - A control valve having a closing element, mounted in a housing between an inlet side and an outlet side and rotatable about an axis between a first and second end positions, and a passage channel through the closing element perpendicularly with respect to the rotational axis. The channel has inlet and outlet openings and connects the inlet side to the outlet side in the first end position, disconnects the inlet side from the outlet side in the second end position, and permits an increasing throughflow of a medium during the transition from the second end position into the first end position with a characteristic curve. Low valve noise is achieved because of the shape, size and configuration of the inlet and outlet openings of the passage channel and the configuration of walls of the passage channel without steps and edges. | 05-05-2016 |
| 20160138722 | Cartridge Seated Plug Valve - A cartridge seated plug valve includes a hollow body with an inlet, an outlet, and a cylindrical valve chamber. A C-shaped rotor with an elastomeric coating is rotatably held in the valve chamber by a valve cover and a base. A valve facing with an elastomeric gasket is held adjacent to the inlet, with a central aperture of the valve facing aligned with the inlet, and the elastomeric gasket held in compression about an inlet seal surface at a perimeter of the inlet, by facing channels in the cover and base. In a closed position, the rotor is oriented with the elastomeric coating of the plug segment sealing the central aperture. The valve is opened by rotating the main stem, changing an orientation of the rotary plug, and moving the plug segment away from the inlet. | 05-19-2016 |
| 251310000 | Axial and radial bore | 4 |
| 20080290308 | Dispense valve - A dispense tap for a frozen beverage machine has a transition section defining a tapered bore with an inlet for frozen beverage from a freeze barrel of the machine and an outlet for frozen beverage controlled by a valve operable by a handle. The handle is rotatable to allow frozen beverage to flow from the transition section through a dispense cavity in the valve for exiting the tap. The outlet has a cross-section greater than the cross-section of the inlet which prevents ice conglomerating and forming a plug in the bore of the transition section. | 11-27-2008 |
| 20100213400 | VALVE - The invention relates to a valve comprising a housing and a closing member arranged in the housing, from which member a shaft protrudes via which the closing member is rotatable in the housing. In order to provide a working and easy-to-use valve, the closing member comprises a sector closing the opening, a flexible sector having a thinner wall than the closing sector, a guiding sector having the same radius (R) as the inner surface of the housing wall, and an open sector. | 08-26-2010 |
| 20190145529 | ROTARY PLUG VALVE | 05-16-2019 |
| 251311000 | Lateral inlet and outlet | 1 |
| 20140346386 | VALVE FOR ADMINISTRATION OF A PLURALITY OF DRUG FLUIDS - In accordance with the present inventive concept, there is provided a valve for administration of a plurality of drug fluids, such as cytostatics. The valve comprises: a housing having a plurality of circumferentially distributed primary inlets for receiving a respective one of the drug fluids and a secondary inlet for receiving a secondary fluid, such as a neutral fluid, an outlet, and a valve member arranged in the housing. The housing has a plurality of primary valve positions in each of which an associated one of the primary inlets is connected to the outlet, and a plurality of intermediary valve positions in each of which the secondary inlet is connected to the outlet. Moreover, the valve member h a outer surface sealingly engaging an inner surface of the housing, such that the primary and secondary inlets are sealingly connected to openings arranged in the outer surface of the valve member in each of the primary and intermediary valve positions, respectively. Figure for publication. | 11-27-2014 |
