Filamentary Brush Type Or Fibrous Mass Patents (Class 55/329)
  • Patent number: 11326516
    Abstract: A secondary air system for an aircraft engine comprises an air flow path communicating between a source of pressurized cooling air and an air consuming component. A filtering baffle is disposed in the air flow path upstream from the air consuming component. The filtering baffle has a monolithic body at least partly made of a cellular material, the cellular material including a non-stochastic lattice structure having a plurality of cells arranged in an ordered, repeating manner for trapping particulate matter contained in a flow of contaminated air.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 10, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Jeremie Barberger, Christopher Gover
  • Patent number: 10737282
    Abstract: Filtration systems having a tangential air cleaner having a coiled media filter element and a cyclonic pre-cleaner are described. An outer wall of the filter element acts as a pre-cleaner sleeve of the housing to generate a cyclonic flow of the intake air prior to the intake air being filtered by the filter element. The housing cover includes geometry that redirects the cyclonic flow from a tangential path to an axial, straight-through flow directed through an inlet flow face of the filter element. Various embodiments of such filtration systems offer increased filter performance and capacity compared to similarly sized cylindrical pleated filter elements having a radial flow filtering path.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: August 11, 2020
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Robert A. Bannister, Arun P. Janakiraman, Peter K. Herman, Scott W. Schwartz, Jeremiah Cupery, Matthew Louison, Jason A. Scherck
  • Patent number: 10690636
    Abstract: Certain configurations are provided herein of a trap that can be used with chromatography systems. In certain instances, the trap may be designed to remove substantially all oil in a sample comprising the oil and an analyte of interest. Methods using the gravity trap are also described.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: June 23, 2020
    Assignee: PerkinElmer Health Sciences, Inc.
    Inventors: Timothy Ruppel, Brett Boyer
  • Patent number: 10300416
    Abstract: A liquid mist separation device for separating liquid from a gas flow may include a nozzle plate including at least one nozzle which is open at least in part and at least one baffle plate. The device may also include at least one valve element which, together with the nozzle plate, forms at least one variable nozzle. The at least one variable nozzle may be arranged fluidically parallel to the at least one nozzle. The nozzle plate and the at least one valve element may be arranged axially displaceable relative to each other. The nozzle plate and the at least one baffle plate may be disposed at a fixed distance with respect to one another. Opposite the at least one nozzle and the at least one variable nozzle a baffle plate may be arranged, which deflects the gas flow emerging from the respective nozzle and on which liquid droplets precipitate.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 28, 2019
    Assignee: Mahle International GmbH
    Inventors: Armando Coelho, Alfred Elsaesser, Volker Kirschner, Thomas Riemay, Stefan Ruppel
  • Publication number: 20130125848
    Abstract: A centrifugal separator comprises a filtered-gas passageway, a spinner, and a drive mechanism. The filtered-gas passageway has an inlet. The spinner is configured and adapted to rotate about a spinner axis relative to the filtered-gas passageway, and has an inner cavity, a gas permeable outer wall, and a plurality of protrusions that extend radially outward from the gas permeable outer wall relative to the spinner axis. The inner cavity of the spinner is operatively connected to the inlet of the filtered-gas passageway. The drive mechanism is adapted to rotate the spinner about the spinner axis at a rate such that the protrusions prevent particulates from passing through the gas permeable outer wall and into the inner cavity of the spinner and such that gaseous matter is able to pass through the gas permeable outer wall, into the inner cavity, and thereafter into the filtered-gas passageway via the inlet.
    Type: Application
    Filed: May 10, 2012
    Publication date: May 23, 2013
    Applicant: INNOVATIVE ENERGY, INC.
    Inventor: Andrew Schlote
  • Publication number: 20130087044
    Abstract: A liquid phase separator assembly permits the separation of a high pressure gas phase from a liquid phase through a controlled expansion of the gas phase with the successful agglomeration and separation of the liquid phase all within a single unit. This complete separation of the gas phase facilitates the removal of the gas by venting. The complete separation of the liquid phase optimizes the solvent recovery/cleaning by processing the liquid phase through an engineered media. The liquid phase separator assembly incorporates an internal chamber for decompression and separation as well as for containing a media for purifying the liquid phase, thus reducing overall cost and complexity.
    Type: Application
    Filed: October 5, 2012
    Publication date: April 11, 2013
    Inventors: Michael Scott Holtvluwer, Ken Kubitz, John Konieczka
  • Patent number: 8349043
    Abstract: The present application provides a turbine inlet air system. The turbine inlet air system may include a small droplet coalescer, a moisture eliminator positioned about the small droplet coalescer, and a filter downstream of the small droplet coalescer and the moisture eliminator.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: January 8, 2013
    Assignee: General Electric Company
    Inventor: Etienne Rene Jarrier
  • Patent number: 8241411
    Abstract: An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: August 14, 2012
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Stephanie L. Faber, Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman
  • Patent number: 7655073
    Abstract: An inertial gas-liquid separator has a variable flow actuator movable to open and close a variable number of accelerating flow nozzles.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: February 2, 2010
    Assignee: Cummins Filtration IP Inc.
    Inventors: Karl G. Evenstad, Eric J. Rego, Brian W. Schwandt
  • Patent number: 7648543
    Abstract: An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: January 19, 2010
    Assignee: Cummins Filtration IP Inc.
    Inventors: Stephanie L. Faber, Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman
  • Publication number: 20090301042
    Abstract: A filter for internal combustion engine air intake comprised of a synthetic fiber media uniquely enhanced with a gradient density configuration. The media described in this application is a low restriction synthetic fiber media enhanced with gradient density configuration to greatly improve efficiency and dust holding capacity. The invention is for use and configuration for use in engine intake air filtration.
    Type: Application
    Filed: June 3, 2009
    Publication date: December 10, 2009
    Applicant: R2C PERFORMANCE PRODUCTS LLC
    Inventor: Ron TROXELL
  • Patent number: 7530140
    Abstract: The present disclosure provides a vacuum cleaner including a nozzle base having a main suction opening and a housing pivotally mounted on the nozzle base. An airstream suction source is mounted to one of the housing and the nozzle base for selectively establishing and maintaining a suction airstream flowing from the nozzle main suction opening to an exhaust outlet of the suction source. A filter housing is mounted to one of the nozzle base and the housing. The filter housing comprises a filter mounted in the filter housing. An ultraviolet light source is disposed in the filter housing and shines on the filter for disinfecting same.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: May 12, 2009
    Assignee: Royal Appliance Mfg. Co.
    Inventors: Sergey V. Makarov, Gregg M. Kloeppel
  • Patent number: 7473291
    Abstract: An inertial gas-liquid separator has a variable flow actuator movable to open and close a variable number of accelerating flow nozzles.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: January 6, 2009
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Karl G. Evenstad, Eric J. Rego, Brian W. Schwandt
  • Patent number: 7326266
    Abstract: A coalescing type gas filter includes a filtering element enclosed in an inner chamber which is housed in an outer chamber and a drain device to simultaneously drain accumulated liquid in both the inner chamber and the outer chamber. The drain device contains a pressure sensitive valve that regulates opening of the drain in response to a drop in pressure.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: February 5, 2008
    Assignee: Flair Corporation
    Inventor: James W. Barnwell
  • Patent number: 7238216
    Abstract: An inertial gas-liquid impactor separator has a variable flow actuator for varying cumulative gas-liquid flow through acceleration nozzle structure in response to a given parameter.
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: July 3, 2007
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Gerard Malgorn, Jean-Luc Guichaoua, Peter K. Herman, Brian W. Schwandt, Christopher E. Holm
  • Patent number: 6984252
    Abstract: A dust collection apparatus includes a container and a suction pump that sucks dust and transports it into the container. A filter is provided on a side surface of the container. This filter passes air but prevents passage of the dust in the container. A pressure detector detects an internal pressure of the container. The internal pressure of the container fluctuates due to a variation in an effective area of the filter for allowing the air to pass according to the dust collected and accumulated in the container. A dust accumulating quantity calculator which determines a quantity of the dust in the container based on the pressure detected.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: January 10, 2006
    Assignee: Ricoh Company, Limited
    Inventor: Yoshiyuki Tanimoto
  • Patent number: 6669750
    Abstract: An access port for a house vacuum system that is equipped with a removable trap is described. The access port can be constructed by the components of a port body of elongated, cylindrical shape, which may have either an annular cross-section or a rectangular cross-section; a port cover that is pivotally connected to a floor panel by a hinge; a debris trap of elongated, cylindrical shape that is removable mounted inside the port body; a vacuum hose access port that is provided in the port cover; and a cover for the vacuum hose access port pivotally connected to the port cover by a hinge. The access port may also be made into a portable unit that can be moved from vacuum port to vacuum port in a cleanroom environment.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: December 30, 2003
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Jason Liao, Yeay-Cin Chen, Jun-Sheng Hsu, Wan-ly Chen
  • Patent number: 6290738
    Abstract: An inertial gas-liquid separator includes a housing having an inlet for receiving a gas-liquid stream, and an outlet for discharging a gas stream. Nozzle structure in the housing has a plurality of nozzles receiving the gas-liquid stream from the inlet and accelerating the gas-liquid stream through the nozzles. An inertial collector in the housing in the path of the accelerated gas-liquid stream causes a sharp directional change thereof and in preferred form has a rough porous collection surface causing liquid particle separation from the gas-liquid stream of smaller size liquid particles than a smooth non-porous impactor impingement surface and without the sharp cut-off size of the latter, to improve over all separation efficiency including for smaller liquid particles. Various housing configurations and geometries are provided.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: September 18, 2001
    Assignee: Nelson Industries, Inc.
    Inventor: Christopher E. Holm
  • Patent number: 6093228
    Abstract: A method and a device for collecting by-products individually, applied to the semiconductor manufacture factory, is disclosed. The device, adapted to be used to filter a fluid accompanied with an object, for retaining the object therein includes a body, an entrance provided on an upper portion of the body for enabling the fluid to flow into the body, a powder trap mounted in the body for filtering the fluid to retain the object therein, a guiding device mounted in the body for guiding the fluid to pass the powder trap, and an exit provided on a lower portion of the body for enabling the filtered fluid to flow out. The advantages of the present invention have: (a) preventing the by-products from being reacted with each other resulting in a fire; (b) preventing the low vacuum tube from being chocked by by-products; and (c) collecting the by-products individually.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: July 25, 2000
    Assignee: Winbond Electronics Corp.
    Inventor: Chung-Chih Wang
  • Patent number: 6090183
    Abstract: A method for processing an exhaust gas produced during manufacturing of semiconductor devices including the steps of introducing a thermally disintegrable or thermally oxidizable exhaust gas produced during manufacturing of semiconductor devices into a processing chamber; heating up this exhaust gas in the processing chamber so that the exhaust gas undergoes thermal disintegration or thermal oxidation and becomes harmless and easy to handle for further processing; capturing fine particles of solid oxides or the like suspended inside the processing chamber with a sweeper provided inside the processing chamber; and sweeping fine particles of solid oxides or the like accumulated on a wall of the processing chamber with the sweeper.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: July 18, 2000
    Inventor: Toshio Awaji
  • Patent number: 5536298
    Abstract: In a method of treating a fine particle dust in a manufacturing process of semiconductor elements wherein the fine particle dust is separated and collected from an air which includes the fine particle dust produced from a source of generating the fine particle dust generated in a process of manufacturing semiconductor elements by filtering air with a laminated filter which comprises at least three filters, each of which having a smaller mesh is arranged to located from an down-stream in order. The method comprising the step of separating removing water and oil by passing the air through a rotary brush prior before the air from the source of generating the fine particle dust is filtered with the laminated filter. The apparatus for carrying out the method.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: July 16, 1996
    Inventor: Toshio Awaji
  • Patent number: 5385592
    Abstract: A filter device for compressed air including first and second filters, wherein the first filter is free from a variation in the filtering efficiency, and does not require periodic replacement of its packing, leading to a reduced maintenance cost of the first filter. The first filter is adapted to separate the liquid and solid particles from the compressed air passing therethrough, while the second filter is adapted to remove or eliminate any residual liquid and solid particles remaining in the compressed air passing therethrough.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: January 31, 1995
    Assignee: Maeda Limited
    Inventor: Sadao Maeda
  • Patent number: 5372621
    Abstract: A condensate trap for use in a Vapor Extraction System (VES), which uses negative pressure to extract contaminated vapors from soil, is disclosed. The trap includes a vapor tight vessel, part of which acts as a condensate reservoir. One or more mist eliminators, such as an impingement type condensate collector, are contained within the vessel. The vessel includes a vapor inlet and a vapor outlet as well as a condensate outlet. The condensate outlet is controlled by a swing check valve. The valve remains closed until there is sufficient condensate in the reservoir to push it open. After a predetermined amount of condensate drains out, the check valve closes.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: December 13, 1994
    Assignee: Emcon, Inc.
    Inventors: Michael D. Staton, Peter Seybert, Angela Cote
  • Patent number: 5275644
    Abstract: A liquid-vapor separator for two-phase fluids in general and specifically a steam-water separator in a steam drum of a steam generator includes axial or radial spinner blades to create a centrifugal motion which causes liquid to be forced outward against the outer wall and the vapor to be concentrated in the center. Conical extraction skimmers systematically extract and discharge the liquid outwardly and downwardly through the side walls such that it impinges on an oval discharge screen surrounding the skimmers. The vapor flows out the top through a central opening and enters a secondary separator packed with crimped wire mesh encased in a perforated enclosure.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: January 4, 1994
    Assignee: Combustion Engineering, Inc.
    Inventors: Bard C. Teigen, H. Rodolfo Akel, Paul S. Zymba, John M. Banas, James S. Tollo, Craig Bradley, Joe B. Lindsay, Jr., Benjamin F. Love
  • Patent number: 5215724
    Abstract: A filter for removing impurities from waste gases, and especially from the waste gases of an internal combustion engine, includes a filter body consisting of a plurality of compression moulded, high temperature resistant, sintered filter plates consisting of metal powder, metal chips, metallic fibres or a mixture of these materials, which are arranged on top of or behind one another and kept at a distance from one another by spacers, to form between them a plurality of flow channels. The flow channels are open at one end and closed at the other end in order to form inlet and outlet channels. The walls of the filter plate situated between the inlet and outlet channels constitute filter surfaces. The filter plates are formed by filter discs lying on top of one another, arranged in a filter housing and having a free or open central interior space, so that the waste gases flow radially through the filter discs from the outside towards the interior space or from the interior space towards the outside.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: June 1, 1993
    Assignee: Schwabische Huttenwerke GmbH
    Inventor: Hans A. Haerle
  • Patent number: 4767424
    Abstract: A column for separating a liquid from a gas by means of a horizontal liquid coalescer and a centrifugal liquid separator is improved by positioning the coalescer below the centrifugal separator and extending both these devices over the whole cross section of the column.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: August 30, 1988
    Assignee: Shell Oil Company
    Inventor: Malcolm W. McEwan
  • Patent number: 4668254
    Abstract: The apparatus separates exhaust fumes of an internal combustion engine into gas, liquid, and solids and comprises a container having an internal wall for substantially reducing the velocity of fumes fed into the container and allows the liquid and solids to collect in the bottom thereof with the fumes then passing through a demister filter to further separate same. A liquid level sensor connects to the container and senses when a maximum level is reached. The sensor may be of a float type and also can control a spring loaded valve in the fumes inlet passageway and/or a gauge connected by vertically spaced passageways through the side of the container, the latter gauge also could include an audible or visible alarm. A valved outlet is attached to the container for forcing the collected liquid in the container therethrough by the pressure of the incoming fumes when a plate covers the gas outlet above the filter.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: May 26, 1987
    Inventor: Robert H. Wamsley, Jr.
  • Patent number: 4566883
    Abstract: An apparatus for separating gas/liquid mixtures comprising an outer vessel having an inlet and separate gas and liquid outlets. A plurality of gas/liquid separating units are mounted in a horizontal tubesheet disposed in the vessel. Each separating unit has a vertical tubular member that defines an inner and outer space with the lower end of the tubular member communicating with the inlet. A swirl vane is mounted in each of the tubular members for imparting a swirl to the gas/liquid mixture to separate the gas and liquid. A primary gas outlet tube extends into each of the tubular members for removing the gas while the liquid is removed through discharge openings in the tubular members. Secondary gas outlets are positioned outside the tubular members while a demister mat is provided for removing any remaining liquid coming from the primary gas outlet tubes.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: January 28, 1986
    Assignee: Shell Oil Company
    Inventors: Stephanus Paardekooper, Johan J. B. Pek
  • Patent number: 4385912
    Abstract: A liquid/gas separator for removing entrained liquid from a gas stream is mounted in the wall of a liquid holding tank and extends at least partially within the tank. The separator includes a gas circulation pathway and has a plurality of inlets through which the gas stream enters the circulation pathway. The inlets are arranged to impart a curved direction of flow to the gas stream. A fluid collection plate extends from the gas circulation pathway and is in fluid communication with it. The liquid collection plate is conical and provides a path of decreasing radius for the gas stream. The swirling motion of the stream over the collection plate causes a major portion of the liquid to separate from the gas and collect on the plate surface. The liquid collection plate has an opening formed therein through which the liquid can drain into the tank.
    Type: Grant
    Filed: September 30, 1981
    Date of Patent: May 31, 1983
    Assignee: The Boeing Company
    Inventors: C. Earl Parrick, Forrest B. Busching
  • Patent number: 4361423
    Abstract: A combination acoustical muffler and exhaust converter for use with internal combustion engines, comprising an elongated hollow cylinder adapted to be connected to a source of exhaust gas, screen means positioned at a plurality of longitudinally spaced locations within said cylinder for partitioning the cylinder into a plurality of chambers arranged in series flow relation with each other and with respect to the flow of exhaust gas through said cylinder, the screens having a silencing action on said exhaust gas, magnet means in one of said chambers for exerting a magnetic pressure on the gas passing therethrough to serve to separate ferrous particles from the exhaust gas stream, a packing material of mineral material, such as mineral wool, in another of said chambers for condensing moisture in said exhaust gas and for removing hydrocarbon therefrom, and a material such as a ceramic material of an extremely fine porous nature, in still another of said chambers for removing carbon monoxide from said exhaust gas
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: November 30, 1982
    Assignee: NKN
    Inventor: Albert E. Nitz
  • Patent number: 4350504
    Abstract: A cooking unit having a hood equipped with air cleaning structures and blowers for moving air through the cleaning structures. The air cleaning structures include a pre-filter having spaced baffles for collecting air borne greases and particles. A primary fiber filter and secondary charcoal and oxidizer beds are located downstream of the pre-filter. A high efficiency filter is located downstream of the secondary cleaning beds. A damper behind the pre-filter closes in response to an increase in temperature of the air moving through the filters. A separate heating unit is used to reactivate the charcoal.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: September 21, 1982
    Assignee: Century 21 Pollution Control, Inc.
    Inventor: Wolodymyr Diachuk
  • Patent number: 4334899
    Abstract: A filter assembly for use especially with air conditioning and heating ducts, comprising first and second rectangular frames, the latter frame being detachably positioned in the first one, and a filter element sandwiched between the rear end of the second frame and a flange seat on the first frame. Interiorly separable snap lock elements on the first and second frames serve to retain the latter frame and filter element in position in the first frame. The second frame is formed into a louver or grill and includes a plurality of horizontally-spaced and inclined slats, the spacing being so as to permit ample flow of air through the assembly, the slats serving as a handle for the insertion and withdrawal of the second frame relative to the first one.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: June 15, 1982
    Inventor: Paul A. McConnell
  • Patent number: 4283209
    Abstract: A separator for removing oil or fat particles from waste air, more specifically from a catering kitchen, has a system of generally parallel rods normal to the direction of the waste air current. The rods are distributed across the full cross-section of the waste air in the duct, and turbulence is produced in the waste air when it passes the rods so that oil and fat is entrained on the rods.
    Type: Grant
    Filed: February 6, 1979
    Date of Patent: August 11, 1981
    Inventor: Markus Schmalhofer
  • Patent number: 4255173
    Abstract: An automobile type exhaust gas lead filter is particularly applicable to diesel engine smoke reduction. It has a tubular housing with alumina coated metal wire fibers as the filter bed, which is centrally located. There are open spaces forming plenums at the ends of the housing. And, the inlet and outlet pipes have baffles in alignment therewith to prevent direct impingement of exhaust gases on the coated wire. Also, the baffles are spaced from the inside ends of the pipes to minimize pressure drops.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: March 10, 1981
    Assignee: Texaco Inc.
    Inventors: Edward A. Mayer, John T. Brandenburg
  • Patent number: 4234327
    Abstract: An air dryer of a compressed air system includes a vertical cylindrical tank with a downwardly directed entry pipe therein having a terminal to form liquid droplets on the bottom thereof. The tank has a manual drain valve on the bottom. A baffle near the top finishes separating any liquid from the compressed air.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: November 18, 1980
    Inventor: Bill R. Wills
  • Patent number: 4158449
    Abstract: An inlet air cleaner assembly is provided for the air intake of gas turbine engines comprising, in combination, an array of vortex air cleaners removing coarse and heavy contaminant particles, but not light and well dispersed contaminant particles, and an array of sheets of filamentary woven or nonwoven material, arranged to receive partially cleaned air from the vortex air cleaner array, and remove light and well dispersed contaminant particles suspended therein.
    Type: Grant
    Filed: December 7, 1976
    Date of Patent: June 19, 1979
    Assignee: Pall Corporation
    Inventors: Cedric Sun, Charles J. Roach