Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7527481 | Ejector pump for a fuel system for a gas turbine engine A system for automatically transferring the fuel from one or more engine fuel manifolds directly to the engine fuel tank(s) during engine shutdown using an ejector pump has been presented. A checkvalve, which may be integrated with the ejector pump, is also used. A ... | 05/05/2009 |
| 7347259 | Downhole oilfield erosion protection by using diamond A device for use with components for a downhole tool—such as a throat, a nozzle, or a diffuser—used for cleaning a wellbore, are disclosed which decreases the erosion of the components. The device may be comprised of a hardened material, such as stack of pure di... | 03/25/2008 |
| 7025289 | Multiple function dispenser A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentr... | 04/11/2006 |
| 6877960 | Lobed convergent/divergent supersonic nozzle ejector system An ejector system comprises a lobed, supersonic primary nozzle and a convergent/divergent ejector shroud. The lobed nozzle is just upstream from the ejector shroud, such that there is an annular space between the nozzle and shroud for admitting a secondary flow. In ... | 04/12/2005 |
| 6783329 | Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with tw... | 08/31/2004 |
| 6471489 | Supersonic 4-way self-compensating fluid entrainment device A self-compensating, energy saving heat transfer unit to provide an efficient means to transfer energy from steam to water in a central heating system. The steam enters a mixing chamber and creates a negative pressure environment. Water in a backwater pip... | 10/29/2002 |
| 6261067 | Liquid-gas jet apparatus having a predetermined ratio for a cross-section of an active liquid nozzle and a mixing chamber The invention relates to the field of jet technology. The surface area of the minimal cross-section of the mixing chamber represents from about 1.1 to about 7.98 times that of the minimal cross-section of the active liquid nozzle. A liquid-gas jet apparat... | 07/17/2001 |
| 6010329 | Heat gun with high performance jet pump and quick change attachments A jet pump for a heat gun includes an elongate hollow pump body lying along a longitudinal axis. The pump body has an inlet, a mixing section and an outlet. A nozzle unit is axially aligned with the inlet for directing pressurized fuel into the inlet of t... | 01/04/2000 |
| 5360144 | Dispensing means for simultaneously dispensing two liquids Dispenser for dispensing simultaneously two liquids held in respective flexible containers, one within the other. Concentric tubular passages are provided for flows of the liquids from their containers when pressure is applied to the outer container. The ... | 11/01/1994 |
| 5074759 | Fluid dynamic pump This invention relates generally to pumps, and more particularly, to a new concept in pumps where the principle of operation is based on the change in momentum of a curved, fluid jet curtain, with the pump itself containing no moving parts.... | 12/24/1991 |
| 5058807 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump which generates low pressure air for powering one or more atomizing devices, such as spray guns, with the inta... | 10/22/1991 |
| 5044557 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump located within a sealed low pressure air tank for holding a relatively large volume of low pressure air genera... | 09/03/1991 |
| 5032059 | Suction and pumping apparatus The present invention discloses a venturi pumping arrangement which is used to pump fluids or solutions with a high efficiency. The arrangement comprises an inner pipe and an outer pipe having a passage therebetween. The inner pipe is partially located in... | 07/16/1991 |
| 5002092 | Inline venturi for pneumatic conveying systems The present invention provides an adjustable venturi device designed for efficient use with blowers of various different capacities. The venturi device of the present invention includes a blower feedable positive air passage and a negative pressure air in... | 03/26/1991 |
| 4991776 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump located within a sealed low pressure air tank for holding a relatively large volume of low pressure air genera... | 02/12/1991 |
| 4850809 | Air operated low pressure spraying system Apparatus for converting high pressure, low volume air to low pressure, high volume filtered air in order to successfully atomize fluids, such as paint, of various viscosities. The invention makes it possible to utilize safe, economical compressor air to ... | 07/25/1989 |
| 4832577 | Vortex pump Pumping system that uses compressed air to pump fluids continuously without inducing disturbances to the surrounding hydrologic regime. The suction source of the pumping system is the vacuum-drawing effect of a vortex created by a reflected air stream on ... | 05/23/1989 |
| 4813817 | Plug valve A plug valve, a check valve for a plug valve, a pressure regulator for a plug valve, and a check valve for a conduit. A plug valve having a plug closure member for sealing off the open end of a conduit and thereby preventing flow of a first fluid through ... | 03/21/1989 |
| 4805613 | Ventilator which can be readily transported for emergency situations Ventilator adapted to be connected to a source of gas under pressure comprising a case and an inlet adapted to be connected to the source of gas. It also is comprised of an oscillator cartridge carried by the case and having a body with an inlet and an ou... | 02/21/1989 |
| 4773827 | Liquid heating apparatus with temperature control system A liquid heating apparatus capable of using low pressure steam and having a temperature control system to automatically control the output temperature of a heated liquid. The apparatus includes a tubular housing having an internal annular seal, and a liqu... | 09/27/1988 |
| 4681372 | Deep sea mining apparatus An undersea mining apparatus including a hydraulically operated ejector pump for submerged use to provide a reduced pressure adjacent the outlet of a lift pipe, to thereby induce flow of mineral nodules from the ocean floor through the pipe. The jet flow ... | 07/21/1987 |
| 4592349 | Ventilator having an oscillatory inspiratory phase and method Ventilator for use with a source of gas under pressure for supplying such gas to the airway of a patient having an inlet adapted to be connected to the source of gas, and an outlet adapted to be connected to the airway of the patient. A pneumatic oscillat... | 06/03/1986 |
| 4422833 | Pneumatic transfer system and a fluid flow control device therefor A fluid flow control device includes a first fluid flow passageway, a fluid inlet into the first passageway, a fluid outlet from the first passageway, a second fluid flow passageway in flow communication with the first passageway, and a fluid flow-through... | 12/27/1983 |
| 4396355 | Ejector An ejector 110 having an additional nozzle 173 for issuing a fluid at a relatively high pressure through a throat 113 of the ejector 110 into an outlet 114 from the throat 113, so as to clear any material lodging in the outlet 114 and/or the throat 113. T... | 08/02/1983 |
| 4367626 | Turbocharger systems A turbocharger system includes a compressor driven by a turbine and a mixing device so connected that a portion of the outlet of the compressor is mixed with a portion of the exhaust gas of the combustion engine and is used to power the turbine. In one fo... | 01/11/1983 |
| 4290446 | Pump/exchanger device Means adapted to receive a supply of compressed air and discharge the compressed air therefrom in a regulated manner via a selected port therein, control means within the means, for use in diverting the flow of the supply of compressed air within the mean... | 09/22/1981 |
| 4208172 | Marina siphon device A siphon device for use around marinas and the like for siphoning large volumes of water containing debris and foreign matter without clogging thereof. The siphon includes an ell member having an input and an output opening of the same size, a hydraulic p... | 06/17/1980 |
| 4184806 | Pumping ejector Pumping ejector having a fixed tubular ejector body passing through the wall of a protective cell. In its part which projects into the cell this body has an extension provided with a first lateral connection for the admission of a pumping steam flow, a se... | 01/22/1980 |
| 4135861 | Jet pump with ceramic venturi A jet pump has a nozzle for a power fluid, a Venturi for the power fluid and a well fluid, and a passage for the well fluid radially outside the Venturi and into the discharge of the nozzle. The power fluid aspirates the well fluid and the combined stream... | 01/23/1979 |
| 4095672 | Apparatus for removal of lubricating composition and methods for using same An improved apparatus for removing lubricating compositions from crankcase oil pans of internal combustion engines through the oil dipstick well of the engine involves signalling means, acting in response to the amount of vapor flowing to the vacuum chamb... | 06/20/1978 |
| 4027407 | Jet flow alternator A jet flow alternator for reversing the flow of a confined fluid stream which includes selectively controlled tubes to cause said stream to flow in either one of two directions under pressure.... | 06/07/1977 |
| 3960175 | Installation for charging liquids, particularly fermentation liquids, with gas Apparatus for charging a liquid with a gas comprising a container with a liquid inlet port toward the bottom thereof, a gas inlet extending through an upper wall of the container towards a jet pipe in the lower wall and an insert extending upwardly from t... | 06/01/1976 |
