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US20120018661 WATER-SAVING VALVE ASSEMBLY  
A water-saving valve assembly has a base, a control valve device and a buffer device. The control valve device is mounted in the base. The water-saving valve assembly is mounted on an exit of a...
US20130092080 Valve Assemblies Including Valve Seat Assemblies  
A valve seat assembly includes a gasket retainer comprising an outer wall, an inner wall, an upper face extending between the outer and inner walls, and a lower face extending between the outer and...
US20130032746 GASKET STRUCTURE FOR FLOOR DRAIN VALVES  
An improved gasket for floor drain valve for buildings, basements, exterior paved areas, and the like. The invention provides a gasket positioned around the outside of check valves providing...
US20110303865 CLADDING ALLOY POWDER, ALLOY-CLAD MEMBER, AND ENGINE VALVE  
A cladding alloy powder consisting of: 0.7 to 1.0 mass % C; 30 to 40 mass % Mo; 20 to 30 mass % Ni; 10 to 15 mass % Cr; and a balance including Co and unavoidable impurities, or consisting of: 0.2...
US20130292594 WEAR COMBINATION FOR STARTER AIR VALVE  
A wear combination includes a first surface formed by a nickel-based hardface alloy and a second surface formed by steel. The second surface is disposed in frictional contact with the first surface.
US20080230735 Control valve body  
A control valve body includes a valve seat containing multiple metal pipes and valve chamber; both ends of each pipe being respectively disposed with a water inlet and a water outlet to connect...
US20110162612 IRON-CHROMIUM ALLOY WITH IMPROVED COMPRESSIVE YIELD STRENGTH AND METHOD OF MAKING AND USE THEREOF  
A chromium-iron alloy comprises in weight %, 1 to 3% C, 1 to 3% Si, up to 3% Ni, 25 to 35% Cr, 1.5 to 3% Mo, up to 2% W, 2.0 to 4.0% Nb, up to 3.0% V, up to 3.0% Ta, up to 1.2% B, up to 1% Mn and...
US20110233446 Microfluidic Purge Valve  
A microfluidic purge valve in a microfluidics system includes a notch defined in the valve seat of a microfluidic valve. The notch is sized so that gas entrained within a liquid pumped through the...
US20110290325 FIRE HYDRANT CONTROL VALVE  
A valve control device includes an operating stem, a valve top plate, a valve seat rubber, a valve bottom plate, and a valve seat ring. The valve top plate has a conical base with at least three...
US20090250647 Piercing Valve Stem Assembly and System  
A simplified piercing valve stem assembly system and apparatus which includes a valve stem component to which a piercing point has been securely affixed, and an easily manufactured stub-out with a...
US20120319026 VALVE SEAT  
In a valve seat made of an iron-based, composite sintered alloy having hard particles and a solid lubricant dispersed therein to have high wear resistance and good machinability, which is usable in...
US20130205986 ANNULAR VALVE  
An annular valve (1) has an annular valve member (4) and inner and outer annular valve seats (12, 14). Inner and outer sealing ridges (8, 10) are formed either on the annular valve member or on the...
US20120132842 Metal Seat Seal With Flexible Sealing Edge  
A gate valve seat has structure formed on it to provide a sealing edge or lip which flexes when loaded. The lip forms a dual seal against portions of the gate valve body when the seat is placed...
US20120043490 PRE-OXIDATION OF ENGINE VALVES AND SEAT INSERTS FOR IMPROVED LIFE  
A valve seat insert operable with a valve to selectively open and close a passage to a cylinder in an internal combustion engine. The valve seat insert includes a cobalt alloy base including at...
US20130146800 HYDRAULIC TORRENT CONTROL VALVE  
A hydraulic control valve actuated by a diaphragm's integral spring whose thicker part acts with greater force to close the diaphragm and plug unit of the valve and whose thinner part may complete...
US20110297255 HYDRAULIC TORRENT CONTROL VALVE  
A hydraulic control valve actuated by a diaphragm's integral spring whose thicker part acts with greater force to close the diaphragm and plug unit of the valve and whose thinner part may complete...
US20080217573 POPPET CARTRIDGE WITH TWO-PIECE POPPET AND PISTON COUPLED BY A FLOATING COUPLER  
In an example embodiment, there is described herein a two-piece poppet and piston assembly coupled by a floating coupler for use with a poppet cartridge assembly. The two-piece poppet assembly and...
US20100314571 Unitary Flapper Base and Method of Manufacture  
A flapper base provides a flapper base body with a hinge portion unitarily formed thereupon and a flapper seat surface formed within the flowbore of the body. The flapper base may be formed from a...
US20140339453 COMPRESSOR VALVE SEAT RECONDITIONING LIMIT INDICATOR  
A compressor valve may include a guard and a seat affixed thereto. The seat may have an inlet surface and an outlet surface opposite the inlet surface. A reconditioning limit indicator may be...
US20110215272 EXHAUST VALVE STRUCTURE  
An exhaust valve structure includes: an inner cylindrical portion that forms an introducing passage of exhaust gas and that has a stay member; a valve element that closes or opens the introducing...
US20140264136 Crankcase Explosion Relief Valve Using Porous Metal  
A crankcase explosion relief valve with an external flame trap made from compressed and sintered porous metal powder. Should an explosion take place, the valve plate will lift, allowing the flame...
US20130319557 Metal Reinforced Seal Plate for Pilot Actuated Spool Valve  
Upper and/or lower seal plates of a sub plate mounted, pilot actuated spool valve are reinforced with one or more metal rings. In a number of preferred embodiments, the metal ring is comprised of...
US20130327974 Curved Flapper Seal with Stepped Intermediate Surface  
A recess is provided at the periphery of the flapper so that a corner that defines this recess engages an o-ring seal in a seat for the flapper. A reduced contact area of the flapper on the o-ring...
US20110278490 VALVES HAVING HIGH WEAR-RESISTANCE AND HIGH CORROSION-RESISTANCE  
The invention provides a valve which suppresses a continuous corrosion of a chemical compound phase such as an eutectic carbide or the like in a valve seat, and improves a corrosion resistance, an...
US20120286184 FLAT GASKET  
A flat gasket for a valve has a substantially plate-like base body, which corresponds substantially to the contour of a valve housing to be connected thereto and which is provided with at least one...
US20110226977 FLUSH VALVE  
A flush valve has a valve body having an inlet and an outlet, and a piston disposed in the valve body between the inlet and said outlet to regulate flow through the valve body. The piston has a...
US20090250525 THERMOSTAT VALVE  
A thermostatic valve comprising a valve head and a flat, annular, elastomeric sealing element at the valve head, a valve spring mechanically biasing the valve member against a valve seat and a...
US20100065125 VALVE SEAT ASSEMBLY, DOWNHOLE TOOL AND METHODS  
A valve assembly (10), a seal assembly, an indexing arrangement, a downhole/circulation tool (12) incorporating a valve seat assembly, methods of controlling fluid flow and fluid circulation are...
US20110057139 THREADED SEAT FITTING FOR BACK SEAT VALVES  
A back seating service valve for air conditioning systems is provided wherein the valve includes an insert fitting having a valve seat. The insert fitting is attached to the valve body using a...
US20090014678 Elastomeric Sealing Element for Gas Compressor Valve  
This invention relates to the use of elastomers with the sealing element of reciprocating gas compressor valves to increase the reliability of the gas tight seal within the reciprocating gas...
US20100090149 POPPET VALVE ASSEMBLY, SYSTEM, AND APPARATUS FOR USE IN HIGH SPEED COMPRESSOR APPLICATIONS  
A poppet valve assembly for a high-speed compressor, the poppet valve assembly including a cage that includes a plurality of counter bores disposed therein. The poppet valve assembly further...
US20090302253 CYROGENIC VALVE  
A cryogenic valve includes a main body which has an opening, a bonnet which is coupled to the main body, a disc which opens or closes the opening, a stem which is placed through the bonnet, and a...
US20130048900 HYDRAULIC SEAL ASSEMBLY FOR A THERMOPLASTIC MATERIAL DISPENSING VALVE ASSEMBLY  
A seal assembly, for use within a hot melt adhesive or other thermoplastic material dispensing valve assembly, comprises a sealing cartridge comprising a first primary seal, a secondary seal, and a...
US20080001115 Nickel-rich wear resistant alloy and method of making and use thereof  
A nickel-rich wear resistant alloy comprises in weight % 0.5 to 2.5% C, 0.5 to 2% Si, up to 1% Mn, 20 to 30% Cr, S to 15% Mo, 5 to 15% W, 15 to 30% Fe, balance Ni. The alloy can include further...
US20140084202 SEAL DISK WITH A PLURALITY OF HARDNESSES  
A seal disk for a fluid flow control valve, such as a fluid regulator, has a body formed of elastomeric material having a first hardness at a seal face and a second hardness spaced apart from the...
US20120025123 High Capacity Air Admittance Valve for Sanitary Waste Pipe System  
The valve is designed to be connected to a sanitary waste pipe system for admitting atomospheric air into the waste pipe towards the valve function elements in response to a pressure reduction in...
US20090256101 Valve Assembly  
The present invention is directed to a pressure-responsive valve assembly which functions in the nature of a check valve to control fluid flow across the assembly. The assembly includes a valve...
US20130068325 VALVE, LAYER STRUCTURE COMPRISING A FIRST AND A SECOND VALVE, MICROPUMP AND METHOD OF PRODUCING A VALVE  
A valve, including a valve opening and a valve plate arranged to seal the valve opening in a closed state by means of compressing a sealing structure is provided, wherein the sealing structure...
US20080258097 TWO-PIECE TRIM FOR USE WITH FLUID REGULATORS  
Two-piece trim apparatus for use with fluid regulators are described. In one described example, a fluid regulator has a regulator body and a first seat ring to provide a first flow characteristic...
US20140124693 Rotary Servo Pulser and Method of Using the Same  
A servo pulser used to actuate a pulser valve and create pressure pulses in downhole measurement while drilling tools is described. An electric gearmotor is used to rotate a shaft which in turn...
US20110155110 VALVE BODY ASSEMBLY  
The invention concerns an assembly of a valve body (A) and a seal (11). The valve body (A) includes a gas flow passage (4) and a valve shutter (6) mobile between an open position and a closed...
US20110012046 SEAL ASSEMBLIES FOR USE WITH FLUID VALVES  
Seal assemblies for use with fluid valves are described. An example valve trim assembly for use with fluid valves includes a cage and a seal assembly to be positioned in at least one of the cage, a...
US20130068486 Fire Suppression Valve Improvements  
Disclosed is a fire suppression system, a valve for the system, and a movable valve member for the valve. The system includes a reservoir for a fire suppressant material. The reservoir has an...
US20110297868 STEAM VALVE  
It is intended to provide a steam valve, which can reduce vibrations of each part of the steam valve, can suppress pressure loss and can cut off the steam rapidly. The steam valve 1 changes an area...
US20140034855 VALVE  
A valve (1) has a housing base (2) and a valve seat (18) supported by the housing base (2). An annular slide (12) is displaceable linearly relative to the housing base (2) between first and second...
US20070243089 Check Valve for Displacement-Type Pump  
The present invention provides a check valve for a displacement-type pump, in which fluid pressure loss is reduced and which increases pump efficiency. The check valves are arranged in direction...
US20080302824 Metering Valve Comprising a Fixed Inner Conduit and a Mobile Outer Sleeve  
The invention concerns a valve (1) for measuring a liquid or powdery product, comprising a fixed conduit (5) for supplying the product; a closure (13) mounted at a lower end (11) of the conduit...
US20120145935 Valve Cartridge for a Magnet Valve, and a Corresponding Magnet Valve  
A valve cartridge for a magnet valve includes a capsule, a valve core, a valve body, a lower valve part and a flat filter. The valve core has a first end and a second end. The first end is inserted...
US20100006792 STEAM VALVE  
A steam valve is provided with a valve body, a valve seat, and a valve rod provided for the valve body. The valve body has a bottom portion to which a recessed portion is formed, and the recessed...
US20130015388 VALVE FOR INTEGRATING INTO A SANITARY APPLIANCE  
A valve (9) for integrating into a sanitary appliance e.g. a urinal (1), including two lug-type elements (21) that are arranged parallel to each other on the lower end of a funnel-shaped inflow...
Matches 1 - 50 out of 153 1 2 3 4 >