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| Number | Title | Issue Date |
| 7931734 | Particle separation Embodiments of a method for selecting particles, such as based on their morphology, is disclosed. In a particular example, the particles are charged and acquire different amounts of charge, or have different charge distributions, based on their morphology. The parti... | 04/26/2011 |
| 7082813 | Test gas leakage detector A test gas leakage detector includes an inlet for gases to be analyzed for the presence of a test gas, a test gas detector and a first high vacuum pump connected to the test gas detector. An intermediate inlet is arranged on the first high vacuum pump that is used t... | 08/01/2006 |
| 6941065 | Camera interlocks that ensure proper movement of film The camera of this invention has a film cassette compartment, a film spool (13), a film exposing area, and an interlock that prevents moving exposed film from the film cassette. With the camera, a film cassette (2) is loaded into the film cassette comp... | 09/06/2005 |
| 6746503 | Precision gap particle separator A system for separating particles entrained in a fluid includes a base with a first channel and a second channel. A precision gap connects the first channel and the second channel. The precision gap is of a size that allows small particles to pass from the first cha... | 06/08/2004 |
| 6702873 | High particle separation efficiency system An inertial inlet particle separator system (14) for a vehicle engine (12) is provided. The system (14) includes a particle sensor (60) that generates a contamination signal. An inertial inlet particle separator (56) is also included in the system (14) an... | 03/09/2004 |
| 5735937 | Method for removing contaminants from a gas stream A gas contaminant separator includes a pressure tube and a concentric and axially aligned down pipe mounted within the pressure tube. The pressure tube and down pipe define an annular space having a helical rib extending therein. A plurality of magnets ar... | 04/07/1998 |
| 5622538 | Source capture sytem for an air cleaning system A source capture system for capturing contaminated air from an industrial process includes structure both for continuously capturing a contaminated air volume emitted during operation of the industrial process and for mixing that contaminated air volume w... | 04/22/1997 |
| 5618323 | Integral cab and engine air intake system for a vehicle An air intake system for a cab and engine of a vehicle is shown and described. In a preferred embodiment, dry, ambient air is provided to the cab and engine through a duct that is mounted to an inner surface of a vehicle hood such that the hood forms a to... | 04/08/1997 |
| 5613990 | Air cleaning system for mechanical industrial processes An air cleaning system for treating contaminated air from a mechanical industrial process containing a heterogenous multi-component mixed density fluid (e.g., mist, vapor and/or smoke) that addresses the cloud-like behavior of this contaminated air. The a... | 03/25/1997 |
| 5395425 | Apparatus employing porous diaphragms for producing useful work Membranes having a multiplicity of openings therethrough which are sized and shaped to utilize the random motion of molecules of gas to produce gas flow through the membrane predominantly in one direction. Such membranes can be used in power systems, gas ... | 03/07/1995 |
| 5316568 | Method and apparatus for producing fluid flow A membrane having a multiplicity of openings therethrough which are sized and shaped to utilize the random motion of molecules of gas to produce gas flow through the membrane predominantly in one direction. Such a membrane can be used in power systems, ga... | 05/31/1994 |
| 5258050 | Leak detection system A method of separating a lighter gas from heavier gases. A series of pumps is used. A gas to be separated out from a mixture of gases is introduced at an exhaust port of one of the pumps, with the lighter gas among them traveling upstream into a container... | 11/02/1993 |
| 5145493 | Molecular restricter A molecular restricter for inhibiting or preventing gas molecules from flowing past a point, such as a piece of optical equipment, substantially without inhibiting particles mixed therewith from passing therethrough is described. The molecular restricter ... | 09/08/1992 |
| 5049168 | Helium leak detection method and system A method of separating a lighter gas from heavier gases, in which a molecular drag pump is used. A series of support pumps are connected to the exhaust port of the molecular drag pump. A gas to be separated out from a mixture of gases is introduced at an ... | 09/17/1991 |
| 4770675 | System and method for separating gases of differing masses by enhanced diffusion produced by tuned oscillations A system for separating gases of differing masses by enhanced diffusion comprising a gas separating device which consists of a pair of gas reservoirs, at least one duct connecting the reservoirs and device for establishing oscillatory axial movement of ga... | 09/13/1988 |
| 4604107 | Low temperature separation of fluids by formation of phases having different densities For the separation of fluid mixtures, the mixture is cooled sufficiently to form more than two phases of differing densities, and especially two liquid phases. The individual phases are then separated in correspondence with their densities. The process is... | 08/05/1986 |
| 4601873 | Method of avoiding or inhibiting intermixing of the atmosphere which exists in an enclosed space with a gaseous substance present in the same space In a method of inhibiting or avoiding intermixing of the atmosphere which exists in a closed nuclear reactor containment space with a gaseous substance present in the same space a change in density of the atmosphere is induced in either lower or upper are... | 07/22/1986 |
| 4466811 | Molecular velocity vector biasing method and apparatus for gases A biasing member (11) having opposed faces (11a, 11b) with a matrix of tapered holes (19) which provide a plurality of closely spaced, inclined biasing surfaces (12) is disposed in the path of a flowing gas. The gas molecules rebound from the biasing surf... | 08/21/1984 |
| 4356005 | Separation of gases The invention provides a method of operating a cascade gas separation process and a gas separation cascade (10) useful for uranium refining and employing a carrier gas. The method and cascade of the invention involve arranging relative gas flow rates betw... | 10/26/1982 |
| 4197093 | Method and apparatus for separating isotopes using state selection A beam of ammonia molecules including the isotopes N15 H3 and N14 H3 is generated wherein some of the molecules of each isotope reside in an asymmetric energy state and other of the molecules of each isotope res... | 04/08/1980 |
| 4197094 | Method and apparatus for electromechanical gas separation Electromechanical apparatus is provided for continuous separation of gas components from a gas mixture having similar properties or atomic numbers. A vibrating bar, maintained in a resonant flexural mode by electromechanical means, achieves a density sepa... | 04/08/1980 |
| 4166727 | Process for separating substances of different masses A process for separating substances of different masses, comprising admission of at least two fluids to one end of a duct arranged so as to allow a laminar flow of fluids so admitted, at least one of these fluids being periodically admitted into said duct... | 09/04/1979 |
| 4113448 | Gas separation process and treatment of a gas in a gas separation process Treating fluid of a single phase by feeding a stream of it into a passage so that its composition varies in a known fashion regarding a specific property over a cross-section of the stream transverse to its direction of flow. The stream is moved along the... | 09/12/1978 |
| 4067702 | Isotope separation by selective charge conversion and field deflection A deuterium-tritium separation system wherein a source beam comprised of positively ionized deuterium (D+) and tritium (T+) is converted at different charge-exchange cell sections of the system to negatively ionized deuterium (D... | 01/10/1978 |
| 4039411 | Isotope separation using vibrationally excited molecules A system for isotope separation or enrichment wherein molecules of a selected isotope type in a flow of molecules of plural isotope types are vibrationally excited and collided with a background gas to provide enhanced diffusivity for the molecules of the... | 08/02/1977 |
| 4002553 | Apparatus for the separation, and storage of hydrogen gas This invention pertains to a new type of method and apparatus for separating, accumulating, compressing and subsequently storing hydrogen gas in a gas column separator system, whereby the lighter and lower density gas hydrogen may be pumped from the top o... | 01/11/1977 |
| 3973929 | Method and apparatus for enriching a lower molecular weight gas with substances of higher molecular weight contained therein A method and apparatus for enriching a gas of lower molecular weight with substances of higher molecular weight contained therein, comprises using first and second molecular pumps connected together, with the second pump having a conveying direction diffe... | 08/10/1976 |
