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| Number | Title | Issue Date |
| 6739570 | Valve element A safety valve of the type where two valve elements (4) in a bore (3) can be moved towards each other for closing a flow path (2). Each valve element comprises two parts (10, 20), each of which is connected to an actuator (5, 6), t... | 05/25/2004 |
| 6702257 | Device for controlling flowing media The invention relates to a shut-off flap for pipelines, with a flap disc which is pivotable relative to an axis of rotation in a housing and which, in the sealing position, closes the throughflow through the housing in the region of a seal. The particular... | 03/09/2004 |
| 6685162 | Control valve having moveable inlet and outlet An improved control valve and method of installation thereof is disclosed. In one or more embodiments, the control valve comprises a housing having an inlet and an outlet, a passage leading from the inlet to the outlet through the housing, a control confi... | 02/03/2004 |
| 6669170 | Vacuum valve A vacuum valve comprising valve housing (1), a continuous line (3) in the valve housing (1) the conductance of which is to be set; a movably supported valve body (5) extending into the line (3) and having a position (H) which defines a conductance through... | 12/30/2003 |
| 6651953 | Fuel tank pressure control valve including an in-line flow-through construction A valve structure that includes a housing, a valve, and an actuator. The housing includes a first portion, a second portion, and an intermediate portion. The first portion extends along a first axis from a first port, the second portion extends along a se... | 11/25/2003 |
| 6651952 | Two position rotary actuator incorporating DC solenoid A method and apparatus for controlling a ventilation damper unit utilizing a direct coupled two-position rotary damper actuator with a DC solenoid is disclosed. The actuator acts to rotate the output coupling, and in turn, the damper shaft to open the dam... | 11/25/2003 |
| 6651955 | Elastomeric valve, and methods Embodiments of the present invention comprise one-part elastomeric valves which are manipulated after molding to preload the valve seal. The valves maintain positive seal until a fluidic pressure or mechanical force is applied to open the valve. The valve... | 11/25/2003 |
| 6651957 | Tractrix valve A new, unique combination of the tractrix valve and the tractrix stem seal is described as an improvement over the original patents issued. The plug and the stem seal are juxtaposed large end to large end. The stem seal functions as a fluid seal and as a ... | 11/25/2003 |
| 6651958 | Valve seat having a frusto-conical shape A valve including an at least partially spherical valve control member and a valve seat where the valve control member is rotatable within a valve housing to obturate and to open at least one opening of the housing by bringing a passage through the valve ... | 11/25/2003 |
| 6648298 | Electromagnetic fuel injection valve The present invention provides a fuel injection valve including a stationary core and a movable core having one end opposed to one end of the stationary core, the movable core being movable toward the one end of the stationary core upon magnetization of t... | 11/18/2003 |
| 6644620 | Dispensing valve with helical flow orifice A dispensing valve is shown that controls the flow of a fluid, the valve having a housing containing a cylindrical/tubular passageway between an inlet and outlet of the valve. A rod like closure member is operable to move through the passageway from a fir... | 11/11/2003 |
| 6637724 | Valve, especially for slip-controlled hydraulic brake systems installed in motor vehicles An electromagnetically actuated valve has a sleeve which receives magnetically operative elements, such as an armature and a magnet core. The sleeve is provided with a radially outward-oriented, encompassing widened portion in the form of a flange having ... | 10/28/2003 |
| 6631883 | Metering valve and fuel supply system equipped therewith The invention relates to a metering valve for a fluid, provided with a housing with a metering opening and a movable closing member. The closing member is biased to one of its positions by biasing means co-acting therewith in the form of a pneumatic or hy... | 10/14/2003 |
| 6631880 | Preventative stop valve system and method A preventative stop valve system for a wheeled trailer carrying hydraulic equipment is disclosed comprising a stop valve fitted for insertion in-line into the hydraulic line servicing the trailer equipment; the stop valve comprising a reciprocating piston... | 10/14/2003 |
| 6631881 | Single-stage fuel tank pressure control valve A valve structure that includes a housing, a valve element, and a seal. The housing includes a first communication path between a first port at a first pressure level and a second port at a second pressure level. The valve element is movable with respect ... | 10/14/2003 |
| 6626418 | Needle free access valve A one way valve assembly has an inlet and an outlet, the inlet forming one end of a tubular passageway, a valve member which is slideable along the tubular passageway between a closed position where fluid is unable to flow through the valve assembly, and ... | 09/30/2003 |
| 6626422 | Control valve A control valve including a plastic injection-molded wing body and a shaft having embossed projections thereon, said shaft being positively connected to said wing body, wherein the wing body has, in the direction of an axis perpendicular to the axis of ro... | 09/30/2003 |
| 6622987 | Liveload assembly for valve A valve stem sealed by a packing. A spigot applies an axial compression loading to the packing via a sleeve when bolts are tightened. A clamp attaches two parts of the valve body to each other with the bolts extending between the spigot and the clamp. The... | 09/23/2003 |
| 6619613 | Gas flow rate controller and gas appliance using the same Gas flow control apparatus that includes a gas flow control unit having a gas flow adjusting capability and a gas closing capability of selectively opening and closing a gas. A stepping motor is used for driving the gas flow control unit. A drive control ... | 09/16/2003 |
| 6619615 | Propotional control pressure valve A proportional pressure control valve is described capable of serving as a pilot, servo or direct control valve and having a pressure reducing function and a pressure maintaining function. The valve is comprised essentially of a valve housing (2) with inl... | 09/16/2003 |
| 6619614 | Automatic flow controller employing energy-conservation mode An automatic flusher includes an object sensor. When the object sensor detects a target meeting certain criteria, battery-powered control circuitry causes the flusher's valve to open. By pressing a push button, a user can make the circuit open the flusher... | 09/16/2003 |
| 6616119 | Bypass orifice and filter for diaphragm type flush valve A diaphragm type of flush valve includes a body with an inlet and an outlet. There is a filter chamber in the diaphragm upstream of the bypass orifice, which chamber extends downwardly below the diaphragm. Water within the filter chamber is quiescent and ... | 09/09/2003 |
| 6616118 | Lip seal for piston-type flushometer A piston assembly for use in a flush valve. The piston assembly is movable in the body toward and away from the valve seat to control flow from the inlet through the outlet. There is a relief valve in the piston assembly for venting a flush valve pressure... | 09/09/2003 |
| 6616123 | Hopper tee mounting assembly A hopper tee mounting assembly capable of accommodating a valve member within the hopper tee mounting assembly. The hopper tee mounting assembly comprises an upper plate having a plurality of upwardly extending bolts, a lower plate having a plurality of d... | 09/09/2003 |
| 6612536 | Remote shut-off valve This invention relates to a remote shut-off valve, and in particular to a valve for the remote shutting-off of a fluid such as a main water supply. The remote shut-off valve comprises a diaphragm valve and a pilot valve which are connected together by way... | 09/02/2003 |
| 6612325 | Control valve assembly of valve assembly-injection-molded control valves or modules A control valve assembly comprising at least two control valves which may be used, for example, to throttle the air intake of an internal combustion engine. The assembly is provided with a centrally arranged, force-transmitting shaft (32). The control val... | 09/02/2003 |
| 6612546 | Gate valve with delayed retraction of counter plate A valve, such as a gate valve, includes a housing having a fluid conduit and defining a valve seat and a support surface, a seal plate, a counter plate, an actuator for moving the seal plate and the counter plate between an open position and a closed posi... | 09/02/2003 |
| 6607174 | Dispensing apparatus with in-line actuator This dispensing apparatus includes a shut-off valve having a magnetically actuated valve element. The valve element is moved into an open position by magnetic attraction from a magnet mounted to a movable actuator. The actuator is adapted to be raised by ... | 08/19/2003 |
| 6607177 | Hopper tee mounting assembly A hopper tee mounting assembly adapted to retain a valve member situated between a circular flange and a hopper tee. The hopper tee mounting assembly comprises an upper mounting assembly separate from the circular flange and a hinge assembly. The upper mo... | 08/19/2003 |
| 6607176 | Proportional pressure control valve A proportional pressure control valve serves as a direct control valve with a pressure reducing function and a pressure holding function. The valve, includes a valve housing (2) with inlet and outlet . ports (4, 5, 6), a control element (7) which has a fe... | 08/19/2003 |
| 6604542 | Modular exhaust gas recirculation valve A modular EGR valve includes an actuator subassembly and a metering subassembly. The metering subassembly defines a metering port and a metering chamber. The metering port and the metering chamber have a predetermined relative configuration. The metering ... | 08/12/2003 |
| 6601821 | Proportional control valve assembly for exhaust gas recirculation system A two-stage proportional control valve assembly regulates flow of a first fluid such as an engine exhaust gas using a second fluid such as engine oil for power. A directional valve under control of an electrical actuator regulates flows of the second flui... | 08/05/2003 |
| 6595484 | Wall structure having a deformable multi-walled area for varying a cross section of a flow channel A wall structure forms a fluid flow channel and includes a deformable multi-wall area for varying a cross-section of the flow channel. The wall structure comprises a homogeneous material. The wall structure is made by sequentially applying layers of a mat... | 07/22/2003 |
| 6595485 | Solenoid valve with cushion between plunger and plunger stop A solenoid valve includes an outlet tube and a plunger stop. A plunger is slidably disposed within the solenoid valve between the outlet tube and the plunger stop. The plunger is movable between a closed position wherein the plunger engages the outlet tub... | 07/22/2003 |
| 6595488 | Butterfly valve A butterfly valve for a media under high pressure and/or at high temperature including a housing provided with a passage for the medium, a butterfly arranged as a shut-off member within the passage, and a shaft guided at both ends in two pivot bearings so... | 07/22/2003 |
| 6595486 | Non-refillable valve A nonrefillable valve is provided that allows for an initial filling of a container, but prevents subsequent refilling of the container. The valve operating assembly includes a valve stem and a valve core which is slidably received in the distal end of th... | 07/22/2003 |
| 6595489 | Packed seal for a valve A valve that includes a piston (2) linked with a valve body (8) and received in a housing (4), and a packed seal (14) interposed between the piston (2) and the housing (4). Packed seals of valves used for media having high melting points and operating at ... | 07/22/2003 |
| 6592097 | Device for securing the position of the actuator rod with motor having safety actuation A motor providing safety actuation including a spring which, during the power outage, is designed to close a valve by moving a valve cone towards a valve opening. For installation or transportation of such valves with motors, it is desirable to lock the v... | 07/15/2003 |
| 6588726 | Load bearing solenoid operated valve and method of making same A load bearing solenoid operated valve having a one piece body with threads on opposite ends thereof for connection to a system placing the valve in tension or compression. An inlet port is formed in one end of the body and a plurality of cross ports are ... | 07/08/2003 |
| 6588724 | On-off valves for high pressure fluids An on-off valve that operates between an open position and a closed position, particularly with high-pressure working fluids. has a valve body that defines a valve cavity. A valve poppet is slidably mounted within the valve cavity. A bushing is mounted wi... | 07/08/2003 |
