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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7971853 | Friction spring for leak detection poppet A pressure management apparatus including a housing (30) defining a fluid communication passage between first and second fluid ports (46, 48). A poppet (40) is disposed in the housing and is movable between first and second positions. The first ... | 07/05/2011 |
| 7883073 | Methods and apparatus for adjusting a spring load in an actuator Methods and apparatus for adjusting a spring load in an actuator are described. An example actuator includes a housing and a plate. Further, the example actuator includes one or more springs disposed in the housing to apply a force to the plate. Additionally, the ex... | 02/08/2011 |
| 7361149 | Pressure-dependent automatic leak valve for sphygmomanometers A pressure-dependent automatic leak valve for sphygmomanometers is able to regularly reduce the pressure in a cuff without manipulation of a pressure reducing valve. Fluid resistance of air to be discharged through the pressure-dependent automatic leak valve is auto... | 04/22/2008 |
| 7204394 | Liquid container having gate valve A container for storing and dispensing liquids such as gasoline has a gate valve wherein the gate valve comprises a thin, substantially flat slide member optionally angled at a portion thereof. The gate valve member is slidably positioned within a similarly shaped c... | 04/17/2007 |
| 7117890 | Shuttling vehicle leveling valve A valve for supplying pressured air to vehicle air bags, includes a shuttle (20) with a valving member (80) having a precision polished seal surface (86) that presses against a precision polished sealed-against housing lower surface (50) ... | 10/10/2006 |
| 7090194 | Self-priming drain valve Provided is a self-priming drain valve suitable for draining liquid from a tank wherein sediment and other solid matter has accumulated. The valve includes a reverse thread, stem-down to close operation, which allows the valve stem, and attached plug, to disturb the... | 08/15/2006 |
| 7044442 | Valve block for a control device, particularly for a hydrostatic machine The invention relates to a valve block (1) for a control device comprising a valve (9) whose valve piston (14) is subjected to the action of a control pressure when in its open position and to the action of a return spring (15) when in it... | 05/16/2006 |
| 7011294 | Vacuum valve A vacuum valve comprises a valve housing with a valve opening having a longitudinal axis and a valve seat, a valve plate which is displaceable in a straight line in a displacement direction between an open position in which it releases the valve opening and a closed... | 03/14/2006 |
| 6978980 | Slide valve closure for the casting of a metal melt and a refractory plate unit belonging to it In a slide valve closure for the casting of a metal melt a slider plate and a stationary closure part are braced against each other by means of spring units or by other means. There is provided a casing framework attachable to a mould or the like, in which is fixed ... | 12/27/2005 |
| 6957659 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 10/25/2005 |
| 6923429 | Electrical grounding assembly for control valve An electrical grounding assembly for a control valve providing a shared electrical connection between a valve body and valve trim. An elastic grounding connector having an elastic region and an electrically conductive surface is placed between the valve body and the... | 08/02/2005 |
| 6845783 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 01/25/2005 |
| 6578818 | Valve device The current invention relates to a valve device (1), in particular for tank ventilation in motor vehicles, having a valve housing (6, 7, 8) with an inlet fitting (10) and an outlet fitting (11), having an armature (26) that is provided inside the valve ho... | 06/17/2003 |
| 6439538 | Pressure variable valve apparatus and set pressure detecting apparatus of the valve apparatus A pressure variable valve apparatus includes a mover constituted to be embedded in the body and movable linearly in B direction in a main body to change pressure for releasing closure of a valve flow path by a valve element, a fixed magnetic marker provid... | 08/27/2002 |
| 6029682 | Rapidly opening electromagnetic valve A spool slides in a bore to open and close a valve. An armature moveable relative to the spool is biased in a first direction. A coupling biasing member biases the armature and the spool toward each other. When a solenoid is actuated the armature and the ... | 02/29/2000 |
| 5794917 | Coolant valve for a tool turret A valve is placed between two relatively movable parts, especially to control coolant flow in a tool turret. One part has a valve housing and a movable valve body within valve housing. The valve body has a sealing surface and a discharge opening, opening ... | 08/18/1998 |
| 5791328 | Air valve for marking pellet gun A valve, especially for use in a paintball gun which includes a pressure chamber bore for receiving gas from a source, an exhaust bore which leads to a barrel, and a valve chamber bore between the pressure chamber bore and exhaust bore. The valve includes... | 08/11/1998 |
| 5582206 | Rotary magnet valve A self wear compensating valve for controlling flow of a fluid employs seals for sealing between relatively moving parts. In one of the parts, an annular recess is formed. A conformable sealing member is placed in the recess, and a spring biased to expel ... | 12/10/1996 |
| 5573034 | Center position biased slide air valve The present invention provides an air valve (10) for inflating and deflating an inflatable. The air valve (10) includes a housing floor (16) with air ports (36, 38), and a slide bar (12) with an air passageway (54) formed therein. The slide bar (12) is su... | 11/12/1996 |
| 5542684 | Cantilever spring seals for gas isolators A seal for a gas isolator comprises a cantilever leaf spring (1) attached to a fixed frame or a movable member (2) of the isolator, and a bias spring (3) acting on the leaf spring, and a bar (4) disposed below the seal for clamping and supporting the latt... | 08/06/1996 |
| 5474104 | Refueling check valve for compressed natural gas powered vehicles A refueling check valve assembly which provides for rapid, efficient, and safe refueling of compressed natural gas powered vehicles is provided and includes a receptacle adapted to mate with a fuel supply nozzle and a valve body having first and second ga... | 12/12/1995 |
| 5356114 | Traveling valve for sucker rod pump The present invention provides a mechanically operated traveling valve for use in a sucker rod pump. The valve includes a cylindrical housing, a base positioned in the bottom of said housing which contains a first portion of a sliding shear seal, and a pi... | 10/18/1994 |
| 5331998 | Radial valve with unloader assembly for gas compressor A suction valve for a gas compressor includes a cylindrical valve guide cage with plurality of rows of valve guides, each with a corresponding poppet valve slidably movable therein. Each valve guide communicates with a compressor cylinder. A concentric cy... | 07/26/1994 |
| 5318274 | Sealing arrangement for valves In a sealing element for use in particular in high vacuum technology, a moveable closure unit (4) is closed tightly against a fixed outer flange (1) whose sealing surface (2) is preferably conical. The closure unit (4) comprises a hat-shaped outer part (5... | 06/07/1994 |
| 5314222 | Vacuum manipulator A vacuum manipulator, comprising an elongated body with two segments of longitudinal ducts one of which opens at one end for connection to a suction source and the other one of which is adapted to be fitted with a suction nozzle, openings communicating th... | 05/24/1994 |
| 5313976 | Top entry ball valve and method of assembly A top entry floating ball valve (10) and method of assembly including a downstream metal seat (62) mounted within an annular recess about a downstream flow passage (22) and an upstream metal seat (80) urged by a Belleville spring (78) into engagement with... | 05/24/1994 |
| 5295510 | Diverter valve An improved slide plate diverter valve having a manifold block and a backing plate with a linearly reciprocable slide plate sandwiched and clamped therebetween is provided with side rails between the manifold block and backing plate along opposite lengthw... | 03/22/1994 |
| 5197514 | Flow distributor A distributor body comprises in its contact surface connection grooves which can communicate in different ways, according to the angular position of the body, with intake and outlet conduits. Rotation of the body is controlled by a motor. A stack of elast... | 03/30/1993 |
| 5178366 | Valve seal A fluid flow control valve is provided with a seal comprising a thin metallic film backed by a resiliently deformable body. The seal is mounted on a closure part which may be either the valve stem or the valve seat. The thin film and deformable body are d... | 01/12/1993 |
| 5145152 | High-vacuum valves In a high-vacuum valve whose valve body is brought in and out of contact with a valve seat, a metal diaphragm facing the valve seat defines a valve seat, an actuating mechanism to open and close the valve body is provided on the reverse side of the diaphr... | 09/08/1992 |
| 5135369 | Device with orbiting valve having a seal piston A closed center gerotor device wherein the sealing between the commutator for the device and the surrounding body is provided by a wave spring biased "O" ring sealed pressure operated piston.... | 08/04/1992 |
| 5101861 | Slide valve A slide valve comprising: a valve body having two axially aligned openings provided with means for connection in a duct; a drive rod; a valve member; and a backing member; wherein the valve member includes a hollow opening out to both faces of the valve m... | 04/07/1992 |
| 5099886 | Seals for gas isolators having multiple bias springs A cantilever leaf spring (1) attached to a fixed frame or movable member of a gas isolator is acted on by a bias spring (2) and an additional similar, but not identical, bias spring (12).... | 03/31/1992 |
| 5070908 | Vacuum valve A vacuum valve having a compliable selector plate.... | 12/10/1991 |
| 5052440 | Liquid droplet generator valve An in-line valve is employed in a droplet generator for sharply cutting off the flow of liquid and preventing drips from forming at the outlet of the generator. In order to effect valve action, the interior surface of a droplet-forming orifice plate is ma... | 10/01/1991 |
| 5050842 | Valve seal strip orifice fitting An orifice fitting has a slide valve seal strip of increased sealing area. The orifice fitting has a body with an upper chamber and a lower chamber, separated by a slot. A plate carrier will move an orifice plate from the upper chamber, through the lower ... | 09/24/1991 |
| 5011112 | Incremental electrically actuated valve An electrically actuated valve for incremental fluid flow rate control is disclosed. The valve is comprised of a valve body having an interior with a planar outlet surface against which a rectilinear valve element is slidingly operated. The valve body inc... | 04/30/1991 |
| 4971102 | Locking device to fit a mixing valve for hot and cold water into the body of a tap Locking device to fit a mixing valve for hot and cold water into the body of a tap, in particular a locking nut bearing on the cover of the body of the mixing valve by interposing suitable elastic means to compensate eventual plays and distribute the lock... | 11/20/1990 |
| 4936348 | Rotary diverter valve having flat valve interfaces A rotary diverter valve for use in diverting fluid wherein the fluid port intersections between the valve body and rotary element are all at a flat planar interface to provide a flat, zero clearance, metal to metal contact. Live bolting is provided to adj... | 06/26/1990 |
| 4815698 | Hard seated valve A hard seated globe valve assembly for use in servicing high and low temperature fluids. The valve includes a moveable stem attached at one end to a tapered plug of hard material. An equally hard seat having a tapered surface is mounted for mating engagem... | 03/28/1989 |
