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Class 251/359 - Seats


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter comprising the normally stationary valving
No. of applications: 87
Last issue date: 02/23/2012


1      
Application No.Application TitleIssue Date
20120043490PRE-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 least about 40 wt % Co and at least about 5 wt % Cr. An oxide scale coating ...
02/23/2012
20120037832MULTI-PIECE VALVE DISK
A multi-piece valve disk of a sliding and/or seat valve, a ring seal with an elastic sealing ring with an external sealing zone is placed in a ring groove of the valve disk onto a dimensionally stable backup ring, and where an elastic restoring region effectively positi...
02/16/2012
20120025123High 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 the system in order to protect the water traps in the system and to preven...
02/02/2012
20120018661WATER-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 water pipe. Users can control the flowing out or stopping of water in the wa...
01/26/2012
20110309285DOUBLE SEAT VALVE AND SEALING OF A DOUBLE SEAT VALVE
A double seat valve having a seat for cooperation with two valve disks which are linearly adjustable relative to each other and together relative with respect to the seat, for a seat valve function and a sliding valve function, each of the valve disks containing a ring ...
12/22/2011
20110303865CLADDING 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 to 0.5 mass % C; 30 to 40 mass % Mo; 20 to 30 mass % Ni; and a balance in...
12/15/2011
20110297868STEAM 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 of a flow path between the valve seat 4 and the valve body...
12/08/2011
20110297255HYDRAULIC 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 the closing motion so that the integral spring may weaken faster than lin...
12/08/2011
20110290325FIRE 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 stabilizer arms extending therefrom. Each of the at least three stabilizer ...
12/01/2011
20110278490VALVES 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 impact resistance and an erosion resistance of the valve seat. The invent...
11/17/2011
20110272617Seat and Valve Systems for Use in Delayed Coker System
The present invention provides more efficient, cost effective coke drum valve devices and system as well as more efficient, cost effective methods for isolating the flow of matter in a delayed coker unit operation. Specifically, embodiments of the invention relate to va...
11/10/2011
20110233446Microfluidic 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 microfluidics system can pass freely therethrough but the liquid cannot. ...
09/29/2011
20110233434VALVE
A valve arrangement including a valve body and a valve seat each having an opposed surface, the valve arrangement also includes a high-frequency cyclic actuator to move the valve body with respect to the valve scat seat to bring the opposed surfaces into and out of abut...
09/29/2011
20110226977FLUSH 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 shoulder. A neck depends from the shoulder and has a smaller perimeter than ...
09/22/2011
20110215272EXHAUST 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 passage; and a wire mesh that is fixed to the stay member and that contact...
09/08/2011
20110204275METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE
Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a sealing surface to receive a movable control member and a curved surface op...
08/25/2011
20110198528DIRECTIONAL CONTROL FLUID VALVE
A directional control fluid valve for establishing a first throughflow path, with which fluid is sucked in and supplied under pressure to a consumer, and a second throughflow path with which fluid is sucked out of the consumer. The valve has a housing which has a tank p...
08/18/2011
20110168936Microvalve, Micropump and Manufacturing Method
A microvalve, in particular for a micropump, is described, which includes a valve member which is adjustable between an open position and a closed position, in contact with a valve seat in its closed position. The valve seat is made of a polymer material. A micropump an...
07/14/2011
20110162612IRON-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 43 to 64% Fe. In a preferred embodiment, the chromium-iron alloy comprises...
07/07/2011
20110155110VALVE 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 position obstructing the movement of the gases in the pas...
06/30/2011
20110095222Method for the production of valve seats, and valve
Disclosed is a valve comprising a valve seat, the surface of which is provided with several concentric grooves (6) with profiled elevations (7) that are embodied there between. The roughness of the valve seat surface, which is defined by the grooves and th...
04/28/2011
20110079302Pump Valve with Full Elastomeric Contact on Seat
This invention relates to valve assemblies having a valve seat body having an axial bore therethrough; wherein the valve seat body has an inclined seat surface located on an upper end of the seat body. The valve assemblies further include a valve member having a valve b...
04/07/2011
20110073321TUBULAR ACTUATOR AND METHOD
A tubular actuator includes, a tubular, a support member disposed at the tubular, and a restrictor configured to pass a runnable member when unsupported by the support member and to prevent passage of the runnable member when supported by the support member. The restric...
03/31/2011
20110061856TUBULAR SEAT AND TUBULAR ACTUATING SYSTEM
A pluggable seat includes, a first portion, positionable within a tubular, that is receptive to a runnable member seatable thereagainst, a second portion positioned downstream of the first portion, having a radial dimension smaller than a smallest radial dimension of th...
03/17/2011
20110057139THREADED 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 threaded connection that is then brazed to ensure that the insert fitting doe...
03/10/2011
20110042605MICRO-VALVE
The invention relates to a micro-valve (1) comprising a valve ball (2), a valve seat (3) and a nozzle (14). In said valve, the valve seat (3) comprises a sealing region (5) and an outlet region (6) and guide means (40<...
02/24/2011
20110024665VALVE
A valve device (1) which includes a fluid inlet (4) a fluid outlet (5), a main valve seat (32) defining an aperture through which fluid may selectively flow from said inlet (4) to said outlet (5), a valve assembly (31), m...
02/03/2011
20110023810Cylinder Head Assembly for an Internal Combustion Engine
A sealing system for the cylinder head valve seat pocket to valve seat insert interface of a cylinder head assembly comprises a valve seat pocket gasket compressed between a valve seat insert pocket and a valve seat insert having an active layer of material with at leas...
02/03/2011
20110012046SEAL 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 cage retainer or a plug. The seal assembly includes a first seal and a f...
01/20/2011
20100314571Unitary 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 single section of tubular metallic stock. In a method of forming a base, ...
12/16/2010
20100314126SEAT APPARATUS AND METHOD
A seat apparatus comprises a housing defining at least a first flow path and at least a second flow path, a first seat disposed in the housing for receipt of a first object operative to obstruct the first flow path, and a second seat disposed in the housing for receipt ...
12/16/2010
20100288960NON-SIMMER RELIEF VALVE
A relief valve assembly to relieve overpressure of a pressurized fluid. In accordance with some embodiments, the assembly comprises a housing with an inlet and an outlet to form a conduit for a pressurized fluid. A normally closed valve member is axially displaceable wi...
11/18/2010
20100243932ELECTROMAGNETICALLY ACTUATED VALVE
An electromagnetically actuated valve including a solenoid with a coil that generates a magnetic field upon being energized, a tubular member made of a non-magnetic material and disposed on an inner circumferential side of the coil, a movable valve body disposed within ...
09/30/2010
20100236533Valve Seat Insert for a Split-Cycle Engine
The present invention provides an improved valve seat insert, particularly for split-cycle engines with outwardly opening crossover valves. The improved valve seat insert combines an interference fit section with a threaded section. The interference fit section aligns a...
09/23/2010
20100230627NOISE REDUCING POPPET VALVE
A personal valve apparatus may include a nozzle, a valve seat, and a moveable poppet valve. The nozzle may comprise an inner air-flow surface having a nozzle cavity extending through the inner air-flow surface. The valve seat may comprise a seat member disposed at an en...
09/16/2010
20100224258CHECK VALVE WITH MODULATION AND/OR ANTI-OSCILLATION FEATURE
A check valve includes a modulation and/or anti-oscillation feature which, in one aspect, modulates the position of the check valve ball relative to the valve seat to maintain the ball in a continuous flow position allowing pressurized fluid flow past the ball while pre...
09/09/2010
20100219365FASTENING SYSTEM FOR DRAINAGE VALVES
The drainage valves have the purpose of removing the water accumulated in the lower part of fuel tanks of an aircraft, said valves being affix in correspondence with a lower skin forming part of said tanks. The lower skin includes recesses for the complementary housing ...
09/02/2010
20100201051BLEEDER VALVE FOR PRESSURIZED FURNACE
A shaft furnace bleeder valve for controlling a gas outflow from the interior of a pressurized furnace to the ambient atmosphere through an exhaust conduit is proposed. The bleeder valve comprises a valve seat associated with the exhaust conduit, a movable closure membe...
08/12/2010
20100192325Regulating Valve
The invention relates to a regulating valve, which is attachable in particular in a bore, executed with a female thread, of a hydraulic door closer. The regulating valve has a body adjoined by a regulating area. The regulating valve also has a thread provided with an an...
08/05/2010
20100140527COATED SEALS
The seal made between two surfaces is enhanced by forming a coating (22), such as a self-assembled monolayer of a functionalized fluorinated macromolecule, on one or both of the surfaces....
06/10/2010
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