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| Number | Title | Issue Date |
| 7845618 | Valve door with ball coupling Embodiments of an apparatus for sealing a substrate transfer passage in a chamber are provided. In one embodiment, an apparatus for sealing a substrate transfer passage in a chamber includes an elongated door member coupled to an actuator by a ball joint. The ball j... | 12/07/2010 |
| 7497414 | Curved slit valve door with flexible coupling Embodiments of an apparatus for sealing a substrate transfer passage in a chamber are provided. In one embodiment, an apparatus for sealing a substrate transfer passage in a chamber includes an elongated door member having a concave sealing face coupled to an actuat... | 03/03/2009 |
| 7357369 | Damper device A damper device includes a drive part, a baffle driven by the drive part, a frame including an aperture part which is opened or closed by the baffle, and a cover member for covering a joint part provided for the drive part to prevent moisture existing outside of the... | 04/15/2008 |
| 7311740 | Snap acting split flapper valve A filter bypass valve is disposed in parallel with an aircraft cabin air filtration system air filter. During normal operation, air is filtered through the air filter at an air flow that meets air flow requirements of the system. The bypass valve is designed to rema... | 12/25/2007 |
| 7296595 | Adjustable flow rate valve A flow valve that provides for control of a fluid flow rate utilizing a first open position and a second open position. Various embodiments of a flow valve having an inlet, an outlet, and a passageway therebetween are provided that comprise a damper element pivotall... | 11/20/2007 |
| 7287504 | Over-center actuator The disclosure allows a short runner valve or manifold tuning valve type manifold tuning device to retain sufficient force on the valve assembly in its closed state to eliminate any vibration or chatter from the system under normal engine operation. The disclosure a... | 10/30/2007 |
| 7270191 | Flapper opening mechanism Methods and devices for operation of a flapper valve. A valve assembly is described with a flapper element and a valve opening assembly that will mechanically open the flapper element. The valve opening assembly is particularly valuable where the flapper element fai... | 09/18/2007 |
| 7222758 | Valve stem stability in pressurized dispensing containers A standard stem and nozzle arrangement for a pressurized dispensing container which dispenses product such as caulk, has an engagement that holds the stem to the sealing boot so that when the nozzle is rotated, the stem will stay in place. Thus, any binding between ... | 05/29/2007 |
| 7207348 | Machine comprising a safety valve for the supply of pressurised fluid The safety valve comprises a body and an obturator movable in the body between a closed position (FIG. 2) and an open position (FIG. 3). It also comprises means for displacing the obturator in order to displace it towards its closed position when the p... | 04/24/2007 |
| 7195032 | Unidirectional, adjustable flap valves The invention provides a flap valve for controlling the air pressure within a protected space defined by walls, the flap valve including a valve frame attachable to an opening made in the walls, a valve flap, articulated at least indirectly to the frame and being su... | 03/27/2007 |
| 7175107 | Multi-function head for high-pressure water gun, in particular for water cleaning machines The high-pressure multi-function head especially for water-cleaning machines comprises a first main body which exhibits a conduit for a washing liquid, extending along a longitudinal axis from an inlet to an outlet and a portion having a narrowed transversal section... | 02/13/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7121527 | Intercept valve for spray guns for water cleaner apparatus The spray gun is subdivided into a first body (4), in ternally of which a cavity (6) is afforded, and a second body (5) which is perpendicular to the first body (4) and internally afforded a through hole (25) communicating with the... | 10/17/2006 |
| 7118092 | Method and apparatus for assembling a vane-type valve A vane-type throttle valve assembly including a body having a passage therethrough and a pivotable shaft transverse of the passage and supporting a vane for variably restricting the flow of material through the passage. The shaft is disposed in opposing bores in the... | 10/10/2006 |
| 7014165 | Flow control valve and flow control valve apparatus using the same A flow control valve apparatus using a flow control valve manufactured via micro-machining is provided. The flow control valve has a substrate defining at least one orifice through which a fluid can flow, a support member formed on a first surface of the substrate, ... | 03/21/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 7007502 | In-car hydration systems Systems and methods for a liquid delivery system for a race vehicle to provide the driver of the race vehicle with readily available cool fluids are disclosed. One embodiment is directed to an insulated bag mounted in the race vehicle having a collapsible fluid blad... | 03/07/2006 |
| 6968852 | Shock actuated responsive mechanism with improved dual safety means to prevent over-rotation of the valve reset mechanism and to provide easy access to the reset knob A shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The shock responsive valve assembly has a flow control mechanism having a cradle that holds a ... | 11/29/2005 |
| 6945276 | Valve with unilaterally constrained piezoelectric bending element as actuating device Valve with a displaceable actuating device that controls the movements of at least one actual sealing element for opening and closing, and the actuating device is loaded with an elastic element essentially in a perpendicular direction relative to the direction of di... | 09/20/2005 |
| 6926025 | Shock actuated responsive mechanism with improved leveraged valve closing activation means for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism having a cr... | 08/09/2005 |
| 6866245 | Valve closing device An apparatus capable of moving a shiftable valve member into a closed position, the shiftable valve member mounted in a valve housing having a bore and being moveable between at least one open and at least one closed position relative to the bore, includes at least ... | 03/15/2005 |
| 6789560 | Shock actuated responsive mechanism with improved safety means to prevent over-rotation of the valve reset mechanism A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism having a cr... | 09/14/2004 |
| 6705593 | Valve closing device An apparatus capable of moving a shiftable valve member into a closed position, the shiftable valve member mounted in a valve housing having a bore and being moveable between at least one open and at least one closed position relative to the bore, includes at least ... | 03/16/2004 |
| 6588727 | Electric dispensing valve including improved paddle arm A dispensing valve includes a platform, a product inlet supported on the platform, and a product outlet supported on the platform. A flow rate controller receives product from the product inlet and communicates product to the product outlet. A paddle arm ... | 07/08/2003 |
| 6533243 | Self-closing valve A simple and inexpensive self-closing spring-loaded ball valve assembly that can be latched in the valve open position and consequentially triggered to automatically close and shut off the flow of fluid therethrough.... | 03/18/2003 |
| 6527004 | Shock actuated responsive mechanism for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism ... | 03/04/2003 |
| 6502599 | Shock actuated responsive mechanism for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism ... | 01/07/2003 |
| 6453936 | Valve system for the pre-engagement unit of a braking pressure modulator A valve system for the pre-engagement unit of a vehicle braking pressure modulator contains solenoid valves, which are controlled by an electronic braking system. Pneumatic pressure is fed into a brake cylinder on the vehicle wheels via a pressure regulat... | 09/24/2002 |
| 6425412 | Dual spring exhaust valve linkage assembly A linkage assembly including a crank arm, first and second elongated links, and first and second springs. Ends of the links are adjacent one another and overlap. The first spring is held within this overlapping portion. The second spring is held about an ... | 07/30/2002 |
| 6394122 | Shock actuated sensor for fluid valve The improved shock actuated sensor is used with shock activation valves which have a shock activation control mechanism. The control mechanism includes a pedestal with a vertical tube disposed thereround and a weight in the form of a ball supported on the... | 05/28/2002 |
| 6328062 | Torsion spring connections for downhole flapper A torsion spring return system for a valve closure member, preferably for downhole use in an SSV, is described. The closure member or flapper uses torsion springs which can be wrapped circumferentially within the body of the downhole tool, generally follo... | 12/11/2001 |
| 6314983 | Flow controller for a pool cleaner A flow controller is provided for use with a pool cleaner, particularly of the type powered by a suction or vacuum source via a flexible vacuum hose or the like connected to the suction side of conventional pool water filtration equipment, wherein the flo... | 11/13/2001 |
| 6188029 | Weighing apparatus having improved hopper detachability To simplify the structure of a hopper side of a weighing apparatus, brackets 24, 34 are fitted to gates 22, 32 of pool hoppers 8 or weighing hoppers 9 and rollers 28, 38 are rotatably provided on extensions 24a, 34a thereof. On a body B side of the weighi... | 02/13/2001 |
| 6123528 | Reed discharge valve for scroll compressors A unique valve assembly is disclosed which has particular utility in scroll compressors. The valve assembly includes a relatively thin valve plate formed of reed valve steel. The valve plate is less than 0.05 inch, and is elastically deformable upon appli... | 09/26/2000 |
| 6003605 | Balanced line tubing retrievable safety valve A tubing retrievable surface controlled subsurface safety valve 106 is adapted to be positioned in a well tubing string 102 to control the flow through the tubing string. The safety valve includes an annular housing or body 200 defining a fluid passageway... | 12/21/1999 |
| 5950988 | Concrete boom discharge valve apparatus A concrete boom discharge valve apparatus 10 for controlling the flow of concrete from the discharge end 101 of a concrete boom 100 including a nozzle member 20 operatively connected on one end 21 to the discharge end 101 of the boom 100 and having the ot... | 09/14/1999 |
| 5950987 | In-line lever actuated valve An in-line, lever actuated valve for use in a liquid filling apparatus includes a valve body having an outer surface and defining an inlet region, an outlet region and a flow chamber intermediate the inlet and outlet regions. The valve body defines a cone... | 09/14/1999 |
| 5937891 | Automatic HVAC housing valve door with tolerance compensating return mechanism A valve flapper door return spring mechanism for an automotive HVAC housing is modified so as to compensate for tolerance variations, so that the door is held in a substantially rattle free return position regardless. One of a pair of resilient spring fin... | 08/17/1999 |
| 5913505 | Movement-transmission apparatus using a pivoting lever and valve incorporating said apparatus In order to ensure transmission of low amplitude back-and-forth movements between, for example, the non-aligned control member (46) of an actuator (42) and the sealing flap (34) of a valve, a lever (30) mounted on a body (10) by means of a flexible strip ... | 06/22/1999 |
| 5901741 | Flow controller, parts of flow controller, and related method A mass fluid flow controller has a valve which is controlled by a controller rod structure which is substantially pivotally mounted on a metallic diaphragm which stretches and unstretches with the movement of the rod structure. In the relationship between... | 05/11/1999 |
