Matches 1 - 50 out of 194 1 2 3 4 >
Match Document Document Title
7600534 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...
7575220 Curved slit valve door  
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...
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...
7451854 Exhaust flow rate control valve  
An exhaust flow rate control valve includes an on-off valve which is switched between a closed state in which a flow passage area of an exhaust pipe is decreased, and an opened state in which the...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6188029 Weighing apparatus having improved hopper detachability  
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...
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...
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...
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...
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...
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...
5876014 Motor damper  
A motor damper arranged in a passage in a refrigerator through which the cold air flows comprises a frame constituting a part of the passage, a cold air gate formed at the center of the frame, a...
5822984 Alternate valve assembly for smoke re-combustion device  
An alternate valve assembly for a smoke re-combustion device of a engine includes a pair of alternate valves which are symmetrically installed at each inlet of filters connected with branches of an...
5810327 Shutoff valve with spring-loaded valve disk  
A shutoff valve with a spring-loaded valve disk. The spring, designed as a tension or pressure spring is arranged outside of the valve housing, where a pivoting arm is attached to the actuating...
5620015 Flush valve  
A valve for sealing a pipe opening with a seal plate movably attached to the pipe opening and a valve body fixed to the pipe opening. Moving the seal plate towards the pipe opening closes the...
5556073 Linear control valve  
A linear control valve that includes a flexible cantilevered beam having a seal mounted thereon that is arranged to open and close against a fluid port as the beam is flexed. The free end of the...
5397314 Surgical cannula with ball valve  
This invention relates to a surgical cannula that has a simple ball valve assembly comprising a ball, rotatably mounted on an axle extending between opposing legs of a pivotable yoke, which engages...
5376044 Ventilator  
A two-part plastics ventilator comprises a housing defining a ventilation opening, a flap pivotal to open and close the opening, and spring legs integral with the housing to bias the flap to the...
5355673 Exhaust valve  
An exhaust tube having an internal butterfly valve is coupled to the exhaust end of a conventional exhaust pipe extending from an internal combustion engine. The valve plate is mounted for swinging...
5351933 Quick-acting gate valve  
The present invention is concerned with a quick-acting gate valve for installation on intake and exhaust openings of ventilation systems, in particular, of rapid railway vehicles, comprising a...
5323859 Streamlined flapper valve  
A subsurface safety valve has a valve seat and an upwardly closing flapper plate whose sealing surfaces each have a matched spherical radius of curvature. The sealing surface of the valve seat is a...
5324045 Blow out game  
A game apparatus including a pump carried in a housing and having a chamber with air inlet and air outlet and a piston sliding in the chamber, a release valve, an inflation nozzle for a balloon,...
5310005 Flapper valve assembly with floating hinge  
A flapper valve assembly for use in a flow conduit in a subterranean well, the assembly having a valve closure member pivotally connected to a floating hinge assembly that slidably engages a sleeve...
5303897 Arrangement in valve dampers  
There is provided a valve damper which is pivotally suspended and may in its closing position cooperate with a seat, e.g., formed in a ventilating channel, and wherein an annular seal may be placed...
5247720 Valving structure for air passageways of floor nozzle and auxiliary inlet of a vacuum cleaner  
A suction cleaner includes a floor nozzle and a handle pivotally connected to the floor nozzle. A suction creating device is located in one of the handle and the floor nozzle and a filter bag is...
5224929 Irrigation/aspiration cannula and valve assembly  
The invention provides an irrigation and aspiration device for use in laparascopic and other types of surgery. When connected to existing irrigation and suction sources, the device provides...
5199462 Valve having rocker valve member and isolation diaphragm  
A valve having a valve body formed with a chamber with which a plurality of ports in the valve body communicate. At least one of the ports is adapted for connection to a source of pressurized...
5165655 Flow control valve assembly minimizing generation and entrapment of contaminants  
A hermetically sealed, precision fluid valve assembly including a ball valve element is disclosed. The assembly includes a valve element retainer comprising a thin, flexible member having a first...
5145005 Casing shut-in valve system  
A casing shut-in valve system (74) having a flapper valve assembly (34) and a shift head assembly (76); the flapper valve assembly (34) having an upper body member (36), lower body member (38),...
5125623 Tap water control apparatus  
An apparatus capable of being installed onto an existing single spout of a plumbing system wherein the spout receives tap water from valves that adjust flow rates from separate lines of hot and...
5125457 Resilient seal for curved flapper valve  
A subsurface safety valve has a resilient valve seat and an upwardly closing flapper plate whose sealing surfaces each have a match spherical radius of curvature. The sealing surface of the valve...
5101853 Device for shutting of pipelines for transport of bulk products  
The device comprises a housing with a circular passage orifice, a pivoting closing element in the form of a spherical dome and a circular gasket surrounding the said orifice and mounted on an...
5027857 Switching microelectrovalve having a single diaphragm  
The diaphragm comprises an outer flexible part and a central part in which is overmoulded a rocking lever. The rod portion of said rocking lever is at right angles to the diaphragm plan and...
5026027 Manually actuatable selector valve for breath sampling apparatus  
A selector valve is disclosed for a breath sampling apparatus which comprises a pair of plate-like members that have a connection with one another for relative edgewise swinging about an axis. Each...
5020775 Isolation valve used in a single crystal pulling apparatus  
An isolation valve used in a single crystal pulling apparatus, having a frame (11), a vertical passageway for communication between a main chamber and an upper pull chamber of the single crystal...
4986358 Flapper mount for well safety valve  
A one-piece flapper mount for a wireline retrievable hydraulic piston actuated wrap-around flapper safety valve. The flapper mount has opposing openings between the valve seat and the nose seal and...
Matches 1 - 50 out of 194 1 2 3 4 >