Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7921874 | Flow variation valve assembly A non-implantable valve assembly and a method for controlling flow rates in a medical device are provided. The valve assembly includes a valve member being dimensioned for reception at least partially within a lumen of the medical device. The valve member includes a... | 04/12/2011 |
| 7762276 | Check valve A check valve for a fluid handling system is disclosed, the check valve having a main body with a poppet valve disposed therein and a spring urging the poppet valve into abutment with an inner surface of the main body, wherein the check valve facilitates a flow of f... | 07/27/2010 |
| 7404538 | Dual restrictor shut-off valve A shut-off valve for pressurized fluids in an air cooling/heating apparatus having a first duct receiving a first restrictor and a second restrictor. Both restrictors are coaxially formed with a capillary through which the pressurized fluid passes and which causes t... | 07/29/2008 |
| 7370637 | Arrangement in fuel injection apparatus An arrangement in the fuel injection system for controlling the fuel injection, the arrangement comprising a body part with a space arranged therein, through which space the fuel to be injected flows during operation, the space further having an inlet opening and an... | 05/13/2008 |
| 7367371 | Inflation circuit, in particular for a tire mounted on a wheel, and corresponding wheel An automatic inflation and deflation circuit for a tube (3) is produced with a single compressed fluid supply conduit (5). The inflation results from subjecting a non-return valve (VA) in series on the conduit to excess pressure. Deflation is provided ... | 05/06/2008 |
| 7363940 | Flow-rate restrictor insert for orifice expansion device A generally cylindrical restrictor insert for containing an axially movable, apertured restrictive member, housed in a flow control distributor housing of an orifice expansion device used for bi-directionally-flowing pressurized fluid, with a housing passageway bein... | 04/29/2008 |
| 7320334 | Valve Assembly A valve for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. A bore is extended through a valve seat, and the bore and valve stem cooperate to form a fluid passage from the first side to the second side. ... | 01/22/2008 |
| 7320336 | Plug incorporating pressure-sensitive valve A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it experiences a predetermined threshold pressure. The threshold pressure can be... | 01/22/2008 |
| 7316240 | Exhaust system and mini-exhaust static pressure controlling apparatus thereof An exhaust system and a mini-exhaust static pressure controlling apparatus thereof for controlling a process area. The mini-exhaust static pressure controlling apparatus has an exhaust chamber and an auto release damping device. The exhaust chamber has an air inlet ... | 01/08/2008 |
| 7293579 | Poppet valve arrangements A poppet valve arrangement is provided and has a poppet slideably disposed therein. The poppet has an odd number of integral guide legs formed thereon about the periphery of the poppet. The odd number of integral guide legs are evenly spaced from one another and are... | 11/13/2007 |
| 7222637 | Connector equipped with a valve A connector housing of a valve-equipped connector is integrally formed from a tube connection section at a first axial side; a pipe insertion section at a second axial side; and a valve housing section between the tube connection section and the pipe insertion secti... | 05/29/2007 |
| 7140386 | Surge suppression and safety cut-off valve A surge suppressor and safety shut-off valve is described which automatically shuts off fluid flow in response to a sufficient pressure differential across the valve. The shut-off valve comprises a valve body adapted for use within a fluid distribution system throug... | 11/28/2006 |
| 7082967 | Modular umbrella valve An umbrella valve includes an elastic cap, and an elastic stem formed integrally with the cap, having a center hollow portion, having an enlarged hollow portion proximate the cap, and having a bottom. The valve has a needle having an enlarged head at a proximal end ... | 08/01/2006 |
| 7066199 | Valve assembly A valve assembly for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. The valve includes a valve guide, a valve stem engaged to the valve guide and a valve seat. A bore is extended through the valve seat,... | 06/27/2006 |
| 7037303 | Urinary flow control valve A flow control valve (22) such as for a catheter (10) allows discharge of urine from a bladder (12) by manual actuation. The valve (22) may be a double-duckbill valve (22) with a single slit (62) at one apex (60a | 05/02/2006 |
| 7025086 | Reverse flow preventing device and electronic apparatus A reverse flow preventing device arranged in a flow path of fluid formed by a fan and an electronic apparatus equipped with the same. The reverse flow preventing device has a frame, a plurality of support shafts arranged about the center of the frame and mounted on ... | 04/11/2006 |
| 7004194 | Check valve with pressure relief feature A check valve has a valve body and flapper. The flapper has a gasket which is sandwiched between a flapper base and a flapper cover. The flapper base has a flapper base stem which extends through an aperture in the gasket is retained within an aperture in the flappe... | 02/28/2006 |
| 6966310 | Method and device for ventilation of gases in a combustion engine Method and arrangement for distributing exhaust gases or gases which are ventilated from a crankcase or an evaporator of a combustion engine having a cylinder head (8) with intake valves and an intake manifold (3) with a flange (9) for mounting ... | 11/22/2005 |
| 6904894 | Pulsation reducing system for fuel line A pulsation reducing system for a fuel line of an internal combustion engine, especially for an automotive engine equipped with an electronic fuel injection system is provided. The system includes a fuel delivery rail, a fuel tank, and a longitudinal main fuel pipe.... | 06/14/2005 |
| 6889707 | Pressure actuated shut-off valve with membrane An ON/OFF valve (1,1′,1″) that has an outer body (3) defining a fluid flow cavity (2) divided by an intermediate surface (8, 21) into a first and a second chamber (2a, 2b) communicating with each other via ... | 05/10/2005 |
| 6742540 | Two-way orifice check valve device for hydraulic circuit A two-way orifice check valve device for a hydraulic circuit is disclosed. The hydraulic circuit which controls the engagement and release of a friction element, such as a clutch, is simplified to reduce the manufacturing cost, as well as improve functioning during ... | 06/01/2004 |
| 6719005 | Combination check valve and pressure release valve A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The combination check valve and pressure relief valve includes a valve plug, a valve guide moveably positioned... | 04/13/2004 |
| 6546839 | Flow regulation device The present invention relates to a flow regulation device for mitigating over travel of a piston in a fluid operated tool. The flow regulation device includes a flow channel through which flows an operating fluid to be supplied to operate the piston withi... | 04/15/2003 |
| 6520751 | Variable displacement compressor having a noise reducing valve assembly In a variable displacement compressor of a piston type, a valve body (34) is movably placed adjacent to a main channel (32) communicating a suction port (26) with a suction chamber (24). The valve body is for variably controlling an opening area of the ma... | 02/18/2003 |
| 6419657 | Flow regulator valve to optimize stent deployment and method of using the same An apparatus for regulating flow of an inflation fluid to a stent delivery balloon. A valve, which is situated in the flow path of the inflation lumen, regulates the flow of liquid used to inflate and deflate the balloon. The valve performs to restrict fl... | 07/16/2002 |
| 6363965 | Manifold assembly A manifold assembly for use with a heating and cooling system having a body, at least one connecting tube positioned adjacent the body and a fluid regulating device positioned in each connecting tube. The body defines a first passageway for flow of a flui... | 04/02/2002 |
| 6340031 | Check valve for refueling pipe of fuel tank A first spring guide fitting the outer periphery of one end portion of a coil spring is provided at an end wall portion of a valve casing, and a second spring guide fitting the inner periphery of the other end portion of the coil spring is provided at a v... | 01/22/2002 |
| 6203696 | Fluid driven pumps and apparatus employing such pumps A reverse osmosis or filtration system uses one or more hydraulic intensifiers (integrated motor and pump) to provide all the high pressure fluid to a semi-permeable membrane or filter, the intensifier being powered by the high pressure flushing flow leav... | 03/20/2001 |
| 6182457 | Electronic variable orifice tube and system for use therewith An electronic variable orifice tube suitable for use as an expansion valve in a refrigeration system providing two flow rates in response to electronic control signals comprises a bodytube, a restrictor mounted within the bodytube and defining a first flo... | 02/06/2001 |
| 6132191 | Check valve for scroll compressor A series of check valves are disclosed for use in a scroll compressor which control and dampen the closing of the check valve to reduce noise during rapid pressure fluctuations encountered during normal operation and to control loss of gas in a discharge ... | 10/17/2000 |
| 6053256 | Fire extinguishing system A method for extinguishing fires in aircraft cargo spaces includes two pressure chambers separated by an annular boss which houses a restricting orifice and a check valve assembly. A lower chamber acts as a high rate discharge fire extinguisher and the up... | 04/25/2000 |
| 6006782 | Snubber valve A snubber valve is described which comprises a valve member slidable within a bore provided in a valve body. The valve member includes a region arranged to engage a seating, a spring biasing the valve member towards the seating. The spring engages a sprin... | 12/28/1999 |
| 5964410 | Method and apparatus of uniform nozzle liquid application by way of vehicle In a vehicle for spreading liquid material, disclosed is a spray manifold based on an inventive variable orifice nozzle, spraying beyond the vehicle span while not extending beyond the vehicle span. Because of the inventive nozzle the vehicle is able to s... | 10/12/1999 |
| 5924438 | Gas-pressure relief valve unit, particularly for fuel vapors A gas-pressure relief valve unit, particularly for fuel vapours, comprising a body defining a chamber which communicates with first and second environments upstream and downstream of the unit respectively, through first and second apertures. The body is p... | 07/20/1999 |
| 5899224 | Flow controls Flow controls that can be inserted in a liquid-supply line or in the accommodating bore of a plumbing fitting. The controls have an essentially cup-shaped mount with perforations through its bottom and a disk of resilient material fits into the perforatio... | 05/04/1999 |
| 5894741 | Universal housing body for an expansion device having a movable orifice piston for metering refrigerant flow A universal housing body for a refrigeration expansion device including a movable orifice piston. The body is adapted for interchangeable use with a piston of a first variety having a radial boss portion extending along a first axial distance, L1 | 04/20/1999 |
| 5862676 | Refrigerant expansion device A refrigerant expansion device for a refrigeration cycle comprises a housing, a passage formed penetrating the housing, an expansion means for expanding the refrigerant passing through the passage and a flow rate control means for bypassing some of the re... | 01/26/1999 |
| 5832954 | Check valve assembly for inhibiting Helmholtz resonance A check valve assembly is disposed in a flow path of a high pressure hydraulic actuating system between a source of pressurized fluid and a pressure responsive mechanism to limit flow to a single direction therebetween. A valve housing defines a fluid pas... | 11/10/1998 |
| 5788372 | Method and apparatus for reducing transient motion between an aircraft power member and structure during takeoff, landing and maneuvers A method and apparatus is described for limiting transient motions between an aircraft power member and aircraft structure. The apparatus incorporates a coupler (20) for use with inertial-type mounts and includes a body portion (21) having a coupler pisto... | 08/04/1998 |
| 5738190 | Flexing disc-blow off assembly for use in a shock absorber A shock absorber utilizes a single flexing disc assembly includes a flexing disc which is capable of performing the flexing disc function normally required for allowing the passage of fluid between the two sides of a shock absorber while also providing th... | 04/14/1998 |
