Class / Patent application number | Description | Number of patent applications / Date published |
251205000 | WITH SELECTIVE FLOW REGULATION | 38 |
20080197310 | 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 adjustment device may be assembled to a valve stem to permit a plurality of different predetermined valve stem travel limits corresponding to respective different maximum flow capacities of the valve. | 08-21-2008 |
20080277612 | Pressure compensating flush valve with self-cleaning piston - A flush valve according to the present disclosure includes a pressure compensating device for toilet and urinals to ensure consistent flush and bowl refill volumes. Certain flush volume limits may required for compliance with federal, state and local regulations regarding water usage. The flush valve can adjust water flow rates within the prescribed water usage limits and does not sacrifice the toilet's bowl washing and waste removal capabilities. | 11-13-2008 |
20100025608 | THROTTLE VALVE - Disclosed is a throttle valve ( | 02-04-2010 |
20100032602 | GAS VALVE WITH AN IMPROVED VALVE CORE - A gas valve with an improved valve comprises a valve body, a valve seat, a hollow shaft and a valve core comprising an outer core and an inner core. The outer core is built with a higher fire orifice and a lower fire orifice. The inner core is built with two or more flow rate limiting orifices. To switch gas resources the nozzle can be replaced with a suitable one and regulated by using a screwdriver extending into the through bore and directly rotating the inner core, making the corresponding flow rate limiting orifice connect with the lower fire orifice. The gas flow rate in higher fire is controlled by the diameter of the nozzle and the gas flow rate is controlled by the corresponding orifices on inner core. | 02-11-2010 |
20100320408 | FLUID CONTROLLER - The present invention provides a fluid controller which enables fine adjustments of low flow rates and enables a user to set desired low flow rates. Low-flow-rate piston stop-position setting means | 12-23-2010 |
20110073792 | Hemispherical Wedge Valve with Laminar Flow - A valve having a hemispherical wedge closure member and including structure for maintaining laminar fluid flow through the valve body. The laminar fluid flow structure may include a solid core member with a plurality of discrete bores therethrough or a plurality of baffles extending longitudinal through a hollow core member. The laminar flow reduces noise, structural failure, erosion, cavitation, and premature wearing of valve seals and seats. | 03-31-2011 |
20110127454 | CONTROLLED FLOW ADMINISTRATION SET - A flow control device includes a connector defining a first receiving formation for receiving a first conduit, a second receiving formation for receiving a second conduit and a cross member separating the first receiving formation and the second receiving formation. An orifice plate is received in the cross member to control flow of fluid, in use, through the conduits received in the first and the second receiving formations of the connector, the orifice plate defining at least one substantially frustoconical orifice. | 06-02-2011 |
20110147631 | Air flow damper - An air flow damper is formed of a multi-apertured flexible sheet sandwiched between two multi-apertured rigid plates, the sheet being slidable between the rigid plates and movable from an open configuration to a closed configuration in which latter the apertures of the rigid plates are sealably closed by the flexible sheet. | 06-23-2011 |
20120132839 | NEEDLE VALVE - Disclosed herein is an improved needle valve, where, in some preferred embodiments, the needle valve includes a stem having a ball linkage and a seat having a ball linkage housing. The ball linkage can be snap-fit to the seat, and the ball linkage and ball linkage housing cooperate to form a ball-and-socket joint. In some embodiments, an axis is formed at least in part by the stem, and the ball-and-socket joint allows rotation of the seat about the axis and inhibits rotation of the seat about another axis. A gap may be provided between the seat and the stem to accommodate deformation of the seat. Also disclosed herein is an improved needle valve, where, in some preferred embodiments, a stem and a handle are provided with mating geometry and a biased snap-fit mechanism to facilitate ease of assembly. | 05-31-2012 |
20120305817 | MODULAR FLOW REGULATOR WITH BACKLASH PREVENTION ASSEMBLY - A flow regulator comprising a needle valve assembly secured in a molded valve body having offset mounting flanges to permit a variety of flow control and monitoring components to be secured thereto. The valve body has parallel inlet and outlet passageways connected by a transverse passageway, with a metal ring forming a valve seat molded into the valve body around the transverse passageway. A valve stem mounted within a valve stem receiver by a support member is selectively advanceable against and away from the valve seat to control flow therethrough. A lateral expander positioned in a slot in the valve stem is compressed axially upon rotation of the valve stem causing the expander to expand in the slot to secure the valve stem in place relative to the support member. | 12-06-2012 |
20130037734 | VALVE DEVICE WITH GAP SEAL INJECTION-MOULDED ONTO VALVE, METHOD AND SEMI-FINISHED PRODUCT FOR THE PRODUCTION THEREOF - A method of producing by moulding a valve device, the valve device comprising a housing, which surrounds a flow duct portion, and additionally comprising a valve accommodated on the housing and movable relative thereto such that, by relative adjustment of the valve relative to the housing, the effective flow area of the flow duct portion is modifiable, wherein the housing and the valve already accommodated thereon are formed shapingly in a moulding tool in a common moulding step from a flowable moulding compound, with one-piece formation of a moulding material membrane, together with the valve and the housing, the moulding material membrane being provided between an outer valve portion, and a housing portion surrounding the valve portion, in a shut-off position of the valve relative to the housing, in which shut-off position the flow area of the flow duct portion is as a rule minimal. | 02-14-2013 |
20130056663 | GAS VALVE UNIT FOR A DUAL CIRCUIT BURNER - A gas valve unit for adjusting a gas volume flow in a dual circuit gas burner of a gas appliance includes a valve body having a gas inlet and two gas outlets; and a control mechanism constructed to adjust the gas volumetric flow supplied to one of the gas outlets in a number of stages and to adjust the gas volumetric flow supplied to other one of the gas outlets in a number of stages. | 03-07-2013 |
20130181152 | GAS VALVE UNIT - A gas valve unit for setting a gas volumetric flow supplied to a gas burner of a gas appliance, in particular a gas cooking appliance includes a plurality of on/off valves which can be actuated mechanically by moving at least one body relative to the on/off valves. Each one of the on/off valves has an opening and a movable blocking body, which rests on a valve seat when the on/off valve is closed to thereby close off the opening. | 07-18-2013 |
20130248745 | GAS VALVE UNIT COMPRISING A LIFT DEFLECTION SYSTEM - A gas valve unit for setting a gas volume flow supplied to a gas burner of a gas appliance includes a valve housing, and an actuation pin having an operating segment which projects from the valve housing. Received in the valve housing is a shutoff valve which is configured for actuation by axially displacing the actuation pin, and at least two on-off valves which are configured for actuation by rotating the actuation pin. The shutoff valve has a movable shutoff element. A deflection device converts an axial movement of the actuation pin into an axial movement of the shutoff element of the shutoff valve essentially at a right angle thereto. | 09-26-2013 |
20140034857 | CERAMIC WATER CONTROL VALVE WITH CERAMIC CHIPS HAVING PRESSING LEAK-PROOF FUNCTIONS - A ceramic water control valve with ceramic chips having pressing leak-proof functions is provided with a pressing ceramic chip and a pressing seal ring. The sliding ceramic chip is in a directional positioning state and can be pressed to be abutted with the fixed ceramic chip more tightly and durably, so as to enhance the leak-proof effect on top of the shell. The ceramic water control valve has a lateral outgoing path pattern, which can improve its durability and applicability. | 02-06-2014 |
20140346384 | Positioning Device for Pressure Regulator - A control assembly for converting a “fail-close” regulator to a “fail-open” regulator, or vice versa, without having to modify or reconfigure a casing of the regulator includes a control member, a central rod, and a spring disposed between first and second spring seats. A regulator including the control assembly includes a valve body and an actuator casing, the valve body defining a fluid flow-path. The control member is slidably disposed within the actuator casing and adapted for displacement relative to the valve body for controlling the flow of fluid through the flow-path. The spring and spring seats are disposed about the central rod, such that the spring biases the control member into a predetermined position relative to the regulator casing. | 11-27-2014 |
20160201695 | VALVE COMPONENTS | 07-14-2016 |
251206000 | Different sized bores in valve head | 3 |
251207000 | Rotary plug | 3 |
20090321672 | Adjustable Regulator Insert - An adjustable regulator insert ( | 12-31-2009 |
20110233436 | CONICAL AIR FLOW VALVE HAVING IMPROVED FLOW CAPACITY AND CONTROL - A conical rotary valve includes a conical valve body including a frustum of a cone and a first fluid passageway. The valve further includes a conical engagement body at least partially covering the conical valve body, where the conical engagement body comprising a second fluid passageway. The valve includes a valve actuator rotatably engaged to the conical valve body to provide a variable flow area that includes an intersecting area of the first fluid passageway and the second fluid passageway. The first fluid passageway and the second fluid passageway are structured such that a value δA | 09-29-2011 |
20160018009 | PLUG VALVE WITH LINEAR FLOW CONTROL AND METHOD FOR DESIGNING THE SAME - A plug valve with linear flow control and a method for designing the plug valve are disclosed. The plug valve has a valve body and a plug being rotatably inserted into the valve body. The valve body has an air inlet communicated to a through hole formed on the plug. The plug has a flow-regulating slot communicated with an air outlet of the valve body. When the plug rotates, the air outlet of the valve body successively overlaps the flow-regulating slot at a starting position, an adjusting position and an ending position defined along the flow-regulating slot. Where the air outlet of the valve body overlaps the flow-regulating slot at the positions is defined as a venting area. The venting area changes linearly from the starting position, the adjusting position to the ending position. The plug valve therefore provides flow control that is relatively linear. | 01-21-2016 |
251208000 | Rotary | 18 |
20080203345 | CHOKE PLATE CONFIGURATION - An orifice for use in a flow control valve, the orifice may include a fixed choke plate having at least one aperture therethrough for conducting fluids and a rotating choke plate having at least one aperture therethrough for conducting fluids. The rotating choke plate may be concentric with and disposed face-to-face with the fixed choke plate. Each of the apertures in the fixed choke plate and rotating choke plate include a rounded head section and a crescent tail section. Rotation of the rotating choke plate relative to the fixed choke plate varies an alignment of the fixed choke plate aperture and the rotating choke plate aperture. | 08-28-2008 |
20080258093 | Plumbing valve with undulating disk surface - A control disk for a fluid valve has a disk body having at least one through hole, the body having an upper surface for contacting another control element of the valve and an opposed lower surface. The upper surface is formed with a raised undulating contact surface. The raised undulating contact surface defines pockets suitable for receiving a lubricant. | 10-23-2008 |
20090057590 | Flow Control Valve - A flow control valve is provided that comprises a valve housing having an inlet, an outlet, and a valve chamber that includes a first valve port opening in communication with the inlet and a second valve port opening in communication with the outlet. The various embodiments further comprise a modulating member having first and second tapered arcuate slots therein, which is disposed in the valve chamber approximate the first valve port opening and second valve port opening. The modulating member is rotatable to adjustably position a wider or narrower portion of both the first tapered arcuate slot and second tapered arcuate slot over the first valve port opening and second valve port opening respectively, to adjustably vary the rate of fluid flow through the valve. | 03-05-2009 |
20090101857 | VALVE ASSEMBLY - A valve assembly has a valve housing, an inlet, an outlet and a flow passage extending between the inlet and the outlet. A shut-off valve is mounted on the housing adjacent the inlet and a flow control valve is mounted on the housing adjacent the outlet. By mounting both valves on the same housing, the dimensions of the assembly are reduced. | 04-23-2009 |
20100032603 | SELECTION VALVE - A rotary selection valve where different components can be selected in different rotation positions of the valve and furthermore the flow through the components can be reversed by rotating the rotary valve. | 02-11-2010 |
20140231687 | ROTATING VALVE ASSEMBLY INCLUDING MULTI-LUMEN SPHERICAL VALVE - A valve assembly includes a valve housing having an upper body portion and a lower body portion that define an internal chamber for accommodating a valve member. The housing has axially aligned inlet and outlet ports. The valve assembly includes a generally spherical valve member seated within the internal chamber that defines first and second bores. The first bore defines a first longitudinal axis and the second bore defines a second longitudinal axis offset relative to the first longitudinal axis. The valve member is mounted for movement between a first position and a second position. The valve assembly includes a camming mechanism for moving the valve member between the first position and the second position, including cam surfaces formed on the exterior surface of the valve member and a cam pin formed on the interior surface of the upper body portion of the housing. | 08-21-2014 |
20150028241 | VALVE ASSEMBLY FOR A TWO HANDLE FAUCET - The present disclosure relates generally to a faucet valve cartridge | 01-29-2015 |
20150137017 | FLUID FLOW REGULATOR ASSEMBLY - A fluid flow resistance assembly includes a fluid pathway. A width of the fluid pathway orthogonal to a flow of fluid through the fluid pathway varies along its length. Positioning of one or more ports at different locations over the fluid pathway at different locations controls a flow rate of fluid. | 05-21-2015 |
20190145528 | PRESSURE CONTROL VALVE AND APPARATUS AND METHOD FOR PROCESSING A SUBSTRATE INCLUDING THE SAME | 05-16-2019 |
251209000 | Plug | 9 |
20080315142 | Long-stroke regulator valve with a stop function - The invention relates to a valve device comprising a valve body defining a fluid flow duct having a throttle element disposed therein and turned about its axis by actuator means via a drive shaft, the throttle element having an internal cavity defined by a circular wall that is open in its bottom portion. The circular wall also presents, over a portion of its periphery, an opening of varying shape so as to define a fluid flow passage in the duct that is variable between a fully-open position in which the opening co-operates in full with the duct, and a fully-closed position in which said circular wall closes the duct. The device further includes an annular sealing gasket disposed in the flow duct, said gasket being in contact with the wall of the internal cavity in the throttle element. The internal cavity of the throttle element is spherical in shape so that in the fully-closed position of the valve, the entire circumferential of the sealing gasket is in contact with the wall of the internal cavity of the throttle element. | 12-25-2008 |
20090065724 | Rotary Valve for Industrial Fluid Flow Control - A cylindrical rotary valve to control or affect fluid flow in processes where the fluid temperature must be maintained within a target range, the fluid pressure is varied and/or the amount of fluid flow is controlled comprising one or more of the following elements alone or in combination: (i) the use of a temperature control core in the valve shaft, (ii) the contoured or tapered shapes or the conduits (iii) the use of the valve to create predictable pulses or waves in the fluid being controlled, (iv) a modular system of valves where the valve body is fixed and the valve shaft is replaceable with a second valve shaft of different conduit shape, (v) a rotary valve with multiple inputs or multiple outputs for either mixing or diverting of input fluids, and (vi) the use of the valve in abrasive particulate blasting and in particular dry ice blasting. | 03-12-2009 |
20090140193 | DEVICE FOR DISTRIBUTING GAS TO A COOKING APPLIANCE - A gas tap for controlling the flow of a gas to a cooking appliance. In one embodiment, the gas tap includes a body and a rotatable regulation member positioned within the valve body, the valve body having a stationary groove for the inlet of gas from an exterior wall surface to an interior wall surface of the body, the regulation member having a passage opening for the inlet of gas from an exterior surface to an interior cavity of the regulation member, the passage opening moving with an angular rotation of the regulation member. The groove and passage opening are shaped, dimensioned and positioned relative to one another such that the regulation of an intermediate gas flow Qgra (a flow between Qmax and Qmin) is proportional to the angular displacement of the rotatable regulation member. | 06-04-2009 |
20090294714 | AIR VALVE ADJUSTING SWITCH ASSEMBLY - The present invention discloses an air valve adjusting switch assembly including a valve body, an air valve adjusting pipe, an adjusting bolt, an airtight ring and a screw cap. With the geometric shapes of the air valve adjusting pipe and the adjusting bolt, the airtight ring installed onto the adjusting bolt is in contact with the internal wall of the air valve adjusting pipe to achieve a totally airtight effect and adjusting the level of airtightness. | 12-03-2009 |
20100148104 | WATER SAVING VALVE DEVICE - Disclosed herein is a water saving valve device having a valve body, a coupling unit, a spring, an actuating rod, a push plate, and a packing. A manual manipulating unit is coupled to the coupling unit to manually move the actuating rod up and down, and includes a lower body, a slide bar, a spring, and a locking piece. The lower body is coupled to the coupling unit and has a vertical pipe on its lower portion. The slide bar has on its upper end a magnet, thus vertically moving the actuating rod by magnetic force. The spring is fitted over the lower portion of the slide bar. The upper end of the locking piece is alternately stopped by first and second locking holes when the slide bar moves up and down, and the lower end is supported by the outer circumference of the vertical pipe. | 06-17-2010 |
20100163770 | FLOW ADJUSTMENT VALVE - The invention relates to a flow adjustment valve ( | 07-01-2010 |
20100288955 | Exhaust Gas Recirculation Valve for a Motor Vehicle - The exhaust gas recirculation valve comprises a tubular valve housing includes a gas inlet, a first gas outlet and a second gas outlet located proximate thereto. Located inside the tubular valve housing is a rotatably supported valve body that is designed as a hollow body having a semi-cylindrical lateral surface having a lateral penetration opening. The gas inlet as seen from the top includes a blocking wall on the side thereof facing the first gas outlet and the second gas outlet, the blocking wall being located inside the valve housing perpendicular thereto and having a height equal to at least the length of the valve body and sitting flush against the gas passage in the closed position of the exhaust gas recirculation valve. | 11-18-2010 |
20110193002 | REVOLVING SWITCHING DEVICE - A revolving switch device with a sleeve and an operating handle comprising: a body with two inlet holes, a first water passage and an installation hole connected between the upper inlet hole and said first water passage; a plug, sealed and mounted in the installation hole, is capable of revolving between a first and second position, said plug having an outer revolving surface with an arc groove, and the bottom of said plug is concave to form a second water passage, said outer revolving surface of said plug has a connecting hole, which having an inner end for connecting said second water passage and an outer end in the outer revolving surface. When the plug occupies the first position, said arc groove connects the upper inlet hole and first water passage. In the second position, the lower inlet connects to the outer end of the connecting hole. | 08-11-2011 |
20120119124 | VALVE AND A METHOD FOR PROVIDING SUCH A VALVE - A valve comprises a valve body having a cylindrical bore and at least two fluid passages connected to the cylindrical bore. A rotating body has at least one means for allowing fluid flowing through the fluid passages, and at least one means for blocking fluid flowing through the fluid passages. At least one sealing is arranged inside said cylindrical bore, said sealing having an outer surface parallel with the axis of the cylindrical bore, and an inner surface parallel with the lateral surface of the rotating body. The rotating body comprises a frusto-conical shape. | 05-17-2012 |