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| Number | Title | Issue Date |
| 8157243 | Insert molded evacuation valve An evacuation valve for a metering device for a liquid medium is disclosed. The valve includes a seal holder having a chamber formed therein and a seal. An elastomeric material fills the chamber to form the seal. The seal includes a smooth, flat sealing surface loca... | 04/17/2012 |
| 7905468 | Lightweight valve A lightweight valve (1), in particular for internal combustion engines, and a method for manufacturing the lightweight valve (1) are provided. The valve comprises a valve stem (3), a hollow valve cone (7) and a valve disk (13), the... | 03/15/2011 |
| 7862007 | Lightweight valve A lightweight valve (1), in particular for internal combustion engines, is provided, with a valve stem (3), with a hollow valve cone (5) and with a valve disk (7) closing the valve cone hollow space on one side, a valve cone support being... | 01/04/2011 |
| 7413164 | Sealing member A rubber (elastic substance) is attached by vulcanization and an annular sealing member 4 is formed in an annular groove 3 having a step and provided in the bottom wall of a body 2 of a valve disc 1. The sealing member 4 has an ann... | 08/19/2008 |
| 7395835 | Air admittance valve In some embodiments, an air admittance valve includes a base, a screen plate and a diaphragm engageable with the screen plate. The diaphragm may include a first center disk having a stem and a membrane coupled to the first center disk. The membrane may have a contin... | 07/08/2008 |
| 7387292 | Apparatus to connect a stem to a valve member Apparatus to connect a stem to a valve member and, more particularly, apparatus to connect a threaded stem to a valve member of a control valve are disclosed. An example apparatus includes the threaded stem received in a threaded opening of the valve member and a pl... | 06/17/2008 |
| 7337803 | Automatic swimming pool cleaners and components thereof Devices for cleaning vessels, especially swimming pools, are discussed. The devices may include a non-linear flow path in a gap surrounding an in-line valve. This non-linearity permits lengths of concentric pipes forming the gap to be decreased without sacrificing o... | 03/04/2008 |
| 7306009 | Hydraulic control valve A tandem hydraulic valve comprising first and second axially aligned valve spools, a valve guide slidably receiving said valve spools to control, in use, the connection between respective ports of the valve guide, said first and second spools being formed as separat... | 12/11/2007 |
| 7287523 | Thermally responsive regulator valve assembly A thermally responsive regulator valve assembly and exhaust gas recirculation system for an internal combustion engine having an intake manifold and an exhaust system is provided. The exhaust gas recirculation system includes an exhaust gas recirculation passage sel... | 10/30/2007 |
| 7278625 | Metering valve A valve device for metering a fluid for metering a urea-water solution for the aftertreatment of exhaust gases from internal combustion engines, which contains elements that flex or are compressed under high pressure so that the volume of the working chamber can cha... | 10/09/2007 |
| 7273067 | Reduced profile electromechanical valve actuator A relatively small, lightweight valve actuator assembly that can withstand relatively high levels of vibration and shock includes a motor, a position sensor, and a drive belt mounted on an actuator housing assembly. The position sensor is preferably disposed within ... | 09/25/2007 |
| 7240895 | Gas exchange valve for an internal combustion engine The invention relates to a gas exchange valve for an internal combustion engine, in each case comprising in particular a hollow valve stem (3) and valve head, in which the valve head comprises a valve bottom and a hollow valve keeper, connected to the externa... | 07/10/2007 |
| 7188731 | Variable flexure-based fluid filter An apparatus and method for filtering particles from a fluid comprises a fluid inlet, a fluid outlet, a variable size passage between the fluid inlet and the fluid outlet, and means for adjusting the size of the variable size passage for filtering the particles from... | 03/13/2007 |
| 7168440 | Valve body and seal assembly A valve body and seal assembly comprising a top-stem-guided valve body having at least one cast-in-place elastomeric seal insert in a peripheral seal retention groove and a cast-in-place top guide stem sleeve is made by pouring and curing liquid elastomer in at leas... | 01/30/2007 |
| 7165327 | Method for installing a valve member in an auxiliary control valve device A method for arranging a valve element in an additional control valve device includes provides that, after a first position has been set, a valve plate is pushed onto the stem until the valve plate contacts the stop of a trapping magnet. The valve plate is then conn... | 01/23/2007 |
| 7086276 | Temperature correction method and subsystem for automotive evaporative leak detection systems A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ... | 08/08/2006 |
| 7081223 | Method for manufacturing a rotatable plug element and valve A valve for controlling the flow of a gas therethrough which requires no machining in order to attain an effective seal between the valve seating surface and a rotatable plug element. The valve seat surface remains as cast while the plug consists of an overmolded pl... | 07/25/2006 |
| 7070165 | Thermal isolator and controlled valve employing same A thermal isolator assembly that provides rigid construction, linearly and rotationally, is presented. The thermal isolator assembly includes a collar and a sleeve that are thermally isolated one from another but held in rigid mechanical relation. When constructed f... | 07/04/2006 |
| 7070166 | Powdered metal inlay Methods and apparatus are disclosed for making substantially nonporous powdered metal (P/M) inlays on substrates using hot-isostatic-pressure (HIP). Methods described herein differ from conventional practice in their use of new apparatus for steps including: formati... | 07/04/2006 |
| 7066722 | Discharge valve for compressor A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge... | 06/27/2006 |
| 7060184 | Quick-drain valve member for use with filter apparatus A filter apparatus comprises a filter element to be positioned in an interior region defined by a housing. The filter element comprises a quick-drain valve member to block a flow of fluid from the interior region through a quick-drain outlet defined by the housing w... | 06/13/2006 |
| 7044430 | Lock bars for blowout preventer Lock bars for blowout preventers and blowout preventers having, in certain aspects, a body with a top, a bottom, and a bore therethrough, at least one bonnet releasably secured to the body, a first lock bar recess defined by a first portion in the body and a second ... | 05/16/2006 |
| 7040301 | Fuel system with integrated pressure management A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel system. The integrated pressure management system also performs a leak dia... | 05/09/2006 |
| 7025084 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 04/11/2006 |
| 6969048 | Valve element for supplementary control valve device The valve element is composed of a valve stem, at one of whose ends a valve head is arranged, said valve head being of concave design in the direction of the valve stem, having on the outside a continuous annular region and having at least two cutouts between the an... | 11/29/2005 |
| 6959727 | Siphonable check valve and method of making same A check valve for connection in a fuel tank filler tube. The valve has a tubular body with a plurality of radially inwardly extending vanes or ribs in the inlet end about a portion of the circumference. The ribs are tapered in the flow direction to deflect the end o... | 11/01/2005 |
| 6955181 | Valve body and seal assembly A valve seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral elastomeric seals, each seal being cast-in-place in an integral seal retention groove having adhesion-inhibiting surfaces and offse... | 10/18/2005 |
| 6953183 | Proportional solenoid valve In a proportional solenoid valve, a solenoid main body includes a coil, a valve seat member having a seat portion, a valve element that is displaced in accordance with a current applied to the coil so as to be brought into and out of contact with the seat portion, a... | 10/11/2005 |
| 6931919 | Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus A diagnostic appartus and method for a fuel system that supplies fuel to an internal combustion engine. The fuel system includes a fuel tank that has a headspace and a filler occluded by a removable cap, a charcoal canister in fluid communication with the headspace,... | 08/23/2005 |
| 6920896 | Visual position indicator for valves with linear moving valve stem The present invention relates to a visual valve indicator comprised of a handle assembly with peripheral sidewalls attached to a linear moving valve stem for opening and closing of the valve and a grommet stratified into one or more color bands attached to and surro... | 07/26/2005 |
| 6910500 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 06/28/2005 |
| 6899117 | Mounting assembly and method A mounting assembly is disclosed for mounting an object, such as a valve or a spa jet about an aperture in a wall such as a bath or shower wall. The assembly has the advantage that the object can be mounted such that it projects a predetermined distance from the fro... | 05/31/2005 |
| 6863261 | Valve stop A stop (20) for a dispensing valve (10) is adapted to be moveable between a first position abutting a valve surface (28) to seal an opening (30), and a second position spaced from the surface (28) to open the opening (30). T... | 03/08/2005 |
| 6763849 | Gas valve In a gas valve including a valve body having an annular seal surface, of which an axis is disposed to extend in a vertical direction, and of which seal surface a diameter becomes larger toward a lower end of the seal surface, to prevent water drops on the seal surfa... | 07/20/2004 |
| 6655658 | Plug valve assembly and fluid flow control method with improved low pressure sealing A plug valve and fluid control method according to which a cylindrical plug is provided in a bore of a body member and has a through passage formed therein. The plug is adapted to be rotated about its axis to move the passage between an open position in w... | 12/02/2003 |
| 6354258 | Lightweight valve The invention relates to a hollow-stem valve for an internal combustion engine. The valve has a ratio of wall thickness to stem diameter of less than 1:3. The aim of the invention is to minimize the deformation of the valve head. To this end, the valve di... | 03/12/2002 |
| 6322051 | Elastomeric molded valve stem and spring hat A valve comprises a valve body including a valve cavity with an inlet and an outlet. The valve body has a valve seat in the valve cavity. The valve seat has a flow passage disposed between the inlet and the outlet. A valve stem is movable in the valve cav... | 11/27/2001 |
| 6321780 | Valve for controlling flow rate of gas A valve has a valve body having a passage including a hole in which gas flows, a valve seat surrounding a port of the hole. A valve disc is provided for closing the port of the hole, and an actuator is provided for operating the valve disc in a sine curve... | 11/27/2001 |
| 6290205 | Valve element and method of manufacturing the same A valve element with a disk-shaped leaf spring carrying a movable core in a solenoid valve to open/close a valve seat. The leaf spring includes an outer peripheral ring section, a hub section having a central hole and a plurality of radially arranged arm ... | 09/18/2001 |
| 6213448 | Valve element and method of manufacturing the same A valve element comprising a leaf spring carrying a moveable core to open and close a valve seat in a solenoid valve. The leaf spring includes an outer peripheral ring section, a hub section with a central hole, connection holes, and a plurality of radial... | 04/10/2001 |
