Class 55/441 - Concentric, nested conduits with closed and open ends for flow reversal

Subclass of Class 55 - Gas separation
Definition: Apparatus comprising a plurality of coaxial tubular members
No. of patents: 37
Last issue date: 01/24/2012

Number	Title	Issue Date
8101001	Cyclone separating device of a cleaner A cyclone separating device of a cleaner includes an upstream cyclone separating device and a downstream cyclone separating device. The upstream separating device communicates with the downstream cyclone separating device through a gas passage. The upstream cyclone ...	01/24/2012
7374593	Particle separator for a gas turbine engine A particle separator for separating particles and/or materials entrained in a flow of air is disclosed. The particle separator includes an annular inlet defined by an outer shroud and an inner shroud. An upper forward flow divider and a lower forward flow divider is...	05/20/2008
7160348	Mist elimination hood A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of ...	01/09/2007
7144503	Combined degassing and flotation tank A combined degassing and flotation tank for separation of a water influent containing considerable amounts of oil and gas. A rotational flow is created in the tank which forces the lighter components such as oil and gas droplets towards an inner concentric cylindric...	12/05/2006
7141095	Precursor material delivery system for atomic layer deposition A precursor delivery system includes a flow path from a precursor container to a reaction space of a thin film deposition system, such as an atomic layer deposition (ALD) reactor. A staging volume is preferably established between the precursor container and the rea...	11/28/2006
6936086	High conductivity particle filter A high conductivity particle filter provides a flow path to subject a fluid stream to a series of turns. The turns require an abrupt directional change for the fluid stream. Traps are positioned in proximity to the turns to capture particles, which have greater iner...	08/30/2005
6573479	Radial byproduct trap and filter assembly for a cooking appliance A quick-cook type convection cooking appliance includes an oven cavity in communication with an air channel assembly incorporating a radial byproduct trap and filter assembly defining a concentric ring-type baffle filter having two cylindrical sets of opp...	06/03/2003
6475255	Serviceable air filter/oil separator assembly An air filter/oil separator assembly comprises a housing having an outer wall and a channel disposed therein between a primary gas inlet and a primary gas outlet. An air filter is joined to the primary gas inlet for filtering air from the immediate enviro...	11/05/2002
6444001	Separator and separator system A separator for separating a first fluidized component from a second fluidized component, the separator having a monolithic body with first and second, generally vertically disposed, elongate chambers, each of the chambers having a lower end and an upper ...	09/03/2002
6325843	Method and apparatus for removing condensate from combustion analyzer sample A trap for removing moisture from sampled gases includes an elongate conduit having a plug substantially positioned therein to prevent flow directly through the conduit. The conduit has a radially directed hole on each side of the plug. A tube is substant...	12/04/2001
6132495	Gas purification process This invention describes a process for the purification of a refrigerant gas by feeding the refrigerant through at least one venturi cell. In one configuration, the venturi will have a first conical segment with an open base through which said refrigerant...	10/17/2000
6019821	Method and apparatus for removing condensate from combustion analyzer sample A trap for removing moisture from sampled gases containing moisture in vapor and/or entrained liquid form includes an elongate conduit having a plug substantially centrally positioned therein to prevent flow directly through the conduit, the conduit being...	02/01/2000
5948145	Gas purification process This invention describes a process for the purification of a refrigerant gas by feeding the refrigerant through at least one venturi cell. In one configuration, the venturi will have a first conical segment with an open base through which said refrigerant...	09/07/1999
5687753	Fuel tank for vehicles, particularly motor vehicles A fuel tank for vehicles, particularly motor vehicles, is provided with an operational ventilating system which is composed essentially of a vent outlet arranged in the area of an upper fuel tank wall, of an exterior air feeding and air removing pipe conn...	11/18/1997
5601072	Atomizing device for oily smoke An oily smoke atomizing device includes a housing, a passage defined in the housing and having a first end in fluid communication with an inlet of the housing and a second end in fluid communication with an outlet of the housing, and a plurality of atomiz...	02/11/1997
5405420	Flue gas treatment apparatus and flue gas treatment system This invention relates to a flue gas treatment apparatus for treating flue gas in which a contaminant in the form of fine solid particles and a gaseous air pollutant are mixed. In the flue gas treatment apparatus, a gas suction portion (29a) for drawing f...	04/11/1995
5348562	Exhaust gas scrubber and filter assembly An exhaust treatment system having a water scrubber, a centrifugal water trap for removing water droplets from exhaust flow and a filter for cleaning exhaust gases. The components are housed contiguously so that exhaust piping is not needed between the co...	09/20/1994
4934393	Spray gun cleaning apparatus A spray gun cleaning apparatus for containing and collecting toxic materials resulting from cleaning a spray gun with a cleaning fluid is disclosed. The apparatus includes an interior airflow passageway, a receptacle at an inflow end of the passageway for...	06/19/1990
4848988	Compressed air dehumidifier A compressed air dehumidifying device, comprising: an external cylinder having an inlet port for the compressed air fed from the compressor, a passageway and an outlet port for the clean compressed air dehumidified and purged of oil, dirt, and dust, and a...	07/18/1989
4769050	Liquid separator assembly A liquid separator assembly for separating a liquid from a liquid-entrained vapor is provided. The separator assembly includes a housing having an interior wall that is configured to define a containment chamber. A downstream pipe is provided that is coup...	09/06/1988
4762540	Noise suppression and particle separation apparatus for high pressure gaseous fluid flows Noise suppression and particle separation apparatus for flows of high pressure, high velocity, particle-laden, gaseous fluid, such as geothermal steam, comprises a gaseous fluid conduit that has axially installed around its discharge end a larger diameter...	08/09/1988
4725410	Method and apparatus for improved vapor recovery for fluidized catalytic cracking process A vapor recovery shroud of relatively small size is positioned in a large diameter catalyst disengaging vessel of a fluid catalytic cracking system so that vapor released directly from the riser reactor pipe must execute a reversal of flow direction to en...	02/16/1988
4701307	Vented riser An improved ballistic separation device results from surrounding the downstream end of a progressive flow reactor or riser reactor with a concentric conduit that is in fluid communication with a cyclone separator and optionally in fluid communication with...	10/20/1987
4651540	Suction accumulator including an entrance baffle A suction accumulator including a casing for defining a liquid storage vessel. The casing includes an upper and lower end cap. A baffle is disposed in an upper portion of the casing adjacent the upper end cap whereby refrigerant flowing into the inlet wil...	03/24/1987
4645521	Particulate trap Apparatus for removing particulate from gases. The apparatus includes an inlet conduit, an outlet conduit, and a cylindrical gas processing chamber positioned between and interconnecting the inlet conduit and outlet conduit. The processing chamber is also...	02/24/1987
4579092	Crankcase breather mechanism An improved engine construction is disclosed having a valve train including valves and corresponding valve stems for controlling the intake and exhaust ports, cams for imparting reciprocating motion to the valves by way of the valve train, and a valve spr...	04/01/1986
4541845	Process and apparatus for separating solid and/or liquid particles from gases or liquids A process for the separation of solid and/or liquid particles from gases or solids from liquids, as well as for the separation of gases or liquids with different densities is proposed, in which a Venturi tube is used. The gas and/or liquid mixture is intr...	09/17/1985
4435199	Exhaust system for a vapor deposition chamber An exhaust system (3) for a vapor-phase axial deposition (VAD) system (5) is comprised of the serial combination of an exhaust tube (26), an outlet pipe (27), a soot collection chamber (32) and a discharge line (34). The exhaust tube (26) has a constricte...	03/06/1984
4388086	Interchangeable and disposable filter cartridge and method of removing moisture and oil from compressed breathable air A three-stage disposable filter cartridge for filtering a gaseous fluid, especially breathable compressed air, and consisting of a preferably cylindrical housing having at least an inlet and an outlet, the interior of the housing being provided with a plu...	06/14/1983
4329844	Diesel exhaust filter-incinerator A diesel exhaust particulate filter contains a high temperature depth type filter material arranged in a reflexive path throughout which diesel particulates are collected from engine exhaust gases passed therethrough. Upstream and downstream portions of t...	05/18/1982
4323375	Air separator for air compressor A separator for an air compressor to separate aqueous vapor and oil gas from an air stream in which air from a compressor is directed into a casing and onto a conically converging member disposed in a protective sleeve, the impingement effecting separatio...	04/06/1982
4263029	Oil reclaimer and muffler assembly and system A vacuum system includes a vacuum pump, means to provide a flow of lubricant oil to the vacuum pump, and an oil reclaimer and muffler assembly to remove oil that becomes entrained in the gas stream leaving the pump and to permit such oil to be resupplied ...	04/21/1981
4234323	Collector for water separator Vanes, formed from a porous water droplet retaining material, extending vertically through which an airstream containing the water droplets passes, serves to separate the water droplets therefrom and collect it in the vane material where it gravitates to ...	11/18/1980
4224043	Compact multistage particle separator A compact, portable multi-stage vacuum particle separator with a first stage centrifugal separator, second stage linear separator concentrically mounted in the first stage, and a third stage air filter. All three separator stages deliver their separated p...	09/23/1980
4190629	Emission control apparatus for diesel engines Apparatus for controlling the emission of exhaust gas from a diesel engine used in mining operations consists of a purifier chamber within a water jacketed adaptor and having an inlet for connection to the outlet from the exhaust manifold of the engine. T...	02/26/1980
4133645	Vapor/liquid distributor for fixed-bed catalytic reaction chambers A method and distributor device for effecting the uniform distribution of a mixed-phase vapor/liquid reactant stream across the upper surface of a fixed-bed of catalyst particles. Mixed-phase reactants or components are first separated into a principally ...	01/09/1979
4032424	Electrical current breaker for fluid stream An apparatus for interrupting the passage of electrical current along a mixed stream of gas and liquid....	06/28/1977

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Class 55/441 - Concentric, nested conduits with closed and open ends for flow reversal