Plural Separating Treatments Of Gas By Solid Sorbent To Remove Water Patents (Class 95/118)
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Patent number: 10173164Abstract: A device is provided for the detachable fastening of a drying agent cartridge to a housing of a compressed-air treatment installation of a vehicle, in particular of a utility vehicle. The device includes at least one fastening plate, having a first section, which is crimped to an end region of a crimped plate of a cartridge base and to an end region of a cartridge cover to form a connecting seam, and a second section, which projects outward from the connecting seam.Type: GrantFiled: October 14, 2016Date of Patent: January 8, 2019Assignee: MAN Truck & Bus AGInventors: Oliver Kaupert, Wolfgang Kolland, Georg Haslberger, Thomas Hofstetter
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Patent number: 9987585Abstract: A drying agent cartridge is provided for detachable fastening to a compressed-air treatment installation of a vehicle. A device is also provided for the detachable fastening of a drying agent cartridge to a housing of a compressed-air treatment installation of a vehicle. The drying agent cartridge include a cartridge housing which contains a drying agent, having a cover, a carrier element, a thread, which is arranged on the carrier element, and a corresponding counterpart thread, of a compressed-air treatment installation. The drying agent cartridge furthermore includes a seal groove on the carrier element underside, a sealing element in the seal groove, and a fluidic connection between the seal groove and a pressurizable chamber within the drying agent cartridge, via which fluidic connection the sealing element can be acted on, when the drying agent cartridge is in an installed position, with a system pressure of the compressed-air treatment installation.Type: GrantFiled: October 14, 2016Date of Patent: June 5, 2018Assignee: MAN Truck & Bus AGInventors: Oliver Kaupert, Wolfgang Kolland, Georg Haslberger, Thomas Hofstetter
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Patent number: 9987590Abstract: A device is provided for detachably fastening a drying agent cartridge to a housing section of a compressed-air treatment installation of a vehicle. The drying agent cartridge has a cartridge housing with a cover and a carrier element, which, in an installed position, is detachably fastened to the housing section. The device includes a thread arranged on the carrier element, and a counterpart thread arranged on the housing section, and a sealing element arranged between the carrier element and the housing section. The sealing element is arranged in a seal groove of the housing section and fluidically connects the seal groove to a pressurizable housing chamber of the compressed-air treatment installation, can be acted on with a system pressure of the compressed-air treatment installation in order to generate and/or increase the axial compression of the sealing element between the carrier element and the housing section.Type: GrantFiled: October 14, 2016Date of Patent: June 5, 2018Assignee: MAN Truck & Bus AGInventors: Oliver Kaupert, Wolfgang Kolland, Georg Haslberger, Thomas Hofstetter
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Patent number: 9643845Abstract: A nitrous oxide room temperature purification method, apparatus and system utilizing at least partially oxidized nickel. In an embodiment, a room temperature regenerable N2O purifier includes a vessel having an inlet and outlet, an active portion being at least partially filled with a purification material comprising nickel oxide and optional elemental nickel, wherein the weight ratio between the nickel oxide and the optional elemental nickel is equal or higher than 3 and the surface area of the nickel oxide and the optional elemental nickel is equal or higher than 50 m2/g.Type: GrantFiled: October 17, 2016Date of Patent: May 9, 2017Assignee: SAES GETTERS, S.p.A.Inventors: Marco Succi, Cristian Landoni
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Patent number: 9108145Abstract: Process of reducing water, CO2 and N2O in feed air, which: a first adsorbent such as alumina (25-40% volume) and a second adsorbent such as X zeolite (60-75% volume) are used; the online time of the adsorbent is determined by determining the concentration measured by an analyzer for CO2 concentration at a position within the length of the second adsorbent when a maximum level of N2O is simultaneously obtained at the downstream end of the second adsorbent in the feed direction, wherein the online time is the time taken from commencing passing the feed air to the first and second adsorbents to the measurement by the analyzer of the determined concentration of CO2; at least the second adsorbent is regenerated by heated regeneration gas at a temperature of 140° C.-220° C.; and the molar ratio of the regenerating gas to feed air supplied during one iteration of the cycle is 0.08-0.5.Type: GrantFiled: May 16, 2013Date of Patent: August 18, 2015Assignee: Air Products and Chemicals, Inc.Inventors: Mohammad Ali Kalbassi, Anthony Finot, Timothy Christopher Golden, Christopher James Raiswell, Ann Marie Botelho
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Patent number: 9039816Abstract: A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray, the concentration of the liquid desiccant may be dynamically changed based on changes within the system. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: December 4, 2012Date of Patent: May 26, 2015Assignee: Z124Inventors: Charles Becze, James Ball, David Blatt, Michael J. Flynn, Gary Fong, Kean Wing Kin Lam, Richard Teltz
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Patent number: 9017456Abstract: A device recovers water from an ambient airstream. The device includes a chamber having a group of trays that hold respective amounts of liquid desiccant. A foam media element in each tray absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and control device operation. The desiccant trays may be selectively configurable in an array to best suit the intended installation. The trays may be arranged in column and row configurations, along with adjustable airflow patterns between each of the trays.Type: GrantFiled: December 13, 2012Date of Patent: April 28, 2015Assignee: Z124Inventors: Charles Becze, James Ball, David Blatt, Michael J. Flynn, Richard Teltz
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Patent number: 9005349Abstract: A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. Fans, valves, and manifolds are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. The airflow within the chamber and/or each tray is altered depending upon the settings of configurable airflow manifolds. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: October 25, 2012Date of Patent: April 14, 2015Assignee: Z124Inventors: James Ball, Charles Becze, Michael J. Flynn, Richard Teltz, Gary Fong, Kean Wing Kin Lam
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Patent number: 8882888Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: June 3, 2013Date of Patent: November 11, 2014Assignee: Z124Inventors: James Ball, Charles Becze, David Blatt, Michael J. Flynn, Richard Teltz
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Patent number: 8882895Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to dynamically control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: October 25, 2012Date of Patent: November 11, 2014Assignee: Z124Inventors: James Ball, Charles Becze, Michael J. Flynn, Kean Wing Kin Lam, Richard Teltz
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Patent number: 8876956Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger, powered by a variety of power sources, adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: October 25, 2012Date of Patent: November 4, 2014Assignee: Z124Inventors: James Ball, Charles Becze, Michael J. Flynn, Kean Wing Kin Lam, Richard Teltz
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Patent number: 8864883Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: December 4, 2012Date of Patent: October 21, 2014Assignee: Z124Inventors: Charles Becze, James Ball, David Blatt, Michael J. Flynn, Gary Fong, Kean Wing Kin Lam, Richard Teltz
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Patent number: 8858684Abstract: A method to recover water from the atmosphere is provided. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: December 13, 2012Date of Patent: October 14, 2014Assignee: Z124Inventors: Charles Becze, James Ball, David Blatt, Michael J. Flynn, Richard Teltz
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Patent number: 8845795Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A media material absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. The configuration of the media material enables maximal water extraction and is dynamically configurable. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: December 4, 2012Date of Patent: September 30, 2014Assignee: Z124Inventors: Charles Becze, James Ball, David Blatt, Michael J. Flynn, Kean Wing Kin Lam, Richard Teltz
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Patent number: 8834614Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.Type: GrantFiled: October 25, 2012Date of Patent: September 16, 2014Assignee: Z124Inventors: James Ball, Charles Becze, Michael J. Flynn, Kean Wing Kin Lam, Richard Teltz
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Publication number: 20140224122Abstract: A monolithic contactor for collecting target molecules, the monolithic contactor may include a monolithic body having an inlet end and a longitudinally opposed outlet end and a plurality of cells extending from proximate the inlet end to proximate the outlet end, wherein the target molecules are adsorbed to a surface of the body.Type: ApplicationFiled: February 14, 2013Publication date: August 14, 2014Applicant: The Boeing CompanyInventors: Daniel J. Wallman, D. Anthony Galasso, Jon A. Magnuson, Gary D. Grayson, Tab H. Crooks
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Patent number: 8800308Abstract: Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.Type: GrantFiled: May 25, 2011Date of Patent: August 12, 2014Assignee: 7AC Technologies, Inc.Inventors: Peter F. Vandermeulen, Jack I. Hanoka, Chaim Hanoka
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Patent number: 8702845Abstract: The invention pertains to a system for purification of a carbon dioxide rich flue gas generated in a boiler combusting a fuel in the presence of a gas containing oxygen, and being contaminated by NOx gases, wherein the system comprising one or more gas drier(s) comprising desiccants for removal of at least a portion of water content of the further compressed carbon dioxide rich flue gas; and a closed loop connected to the drier(s) for regeneration of desiccants of the drier(s) wherein the NOx gases are removed substantially separately from the water vapor. The invention pertains also to a method for removing the NOx gases substantially separately from the water vapor.Type: GrantFiled: September 6, 2013Date of Patent: April 22, 2014Assignee: ALSTOM Technology LtdInventor: Olaf Stallmann
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Patent number: 8663375Abstract: An oil suppressing structure in an air drying device for removing oil which rises in an interior of the air drying device used in a vehicle compressed air brake system includes an outer case 21, a drying case 22 in an interior of the outer case 21, a base plate 23 fixed to a lower end portion 21a of the outer case 21, and an outer cover 24 fixed to a lower end portion 21a of the base plate 23. The drying case 22 has a large-diameter long cylindrical body portion 22A and a small-diameter long cylindrical body portion 22B. A particulate desiccating agent 25 is filled in an interior of the large-diameter cylindrical body portion 22A. An oil adsorbing material 27 is inserted in a space S3 between an inner wall of the outer case 21 and the small-diameter long cylindrical body portion 22B of the drying case 22.Type: GrantFiled: January 14, 2010Date of Patent: March 4, 2014Assignee: Nabtesco Automotive CorporationInventors: Ichiro Minato, Hiroyuki Murakami, Hiroki Hasebe, Takeo Shimomura, Takuya Sugio
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Patent number: 8580010Abstract: A dew point temperature sensor detects and sends the dew point temperature of the supply air to a dry area, as a supply air dew point temperature, to a controller. The controller has a speed of rotation of the regenerating side fan (the regenerating air flow rate) to control, and determines a control value (the regenerating air flow rate) that causes the supply air dew point temperature to go to a target dew point temperature, and determines a supply air processing pre-cooling coil exit temperature setting value in accordance with this control value (where if the control value is in the direction of reducing the regenerating air flow rate, the supply air processing pre-cooling coil exit temperature setting value is increased). Note that what is controlled is the speed of rotation of the desiccant rotors, or the exit temperatures of the air heated by the hot water coils.Type: GrantFiled: November 29, 2011Date of Patent: November 12, 2013Assignee: Azbil CorporationInventors: Tadahiko Matsuba, Naofumi Ushioda, Yoshitaka Takakura
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Patent number: 8511072Abstract: An apparatus for separating a liquid from a mixed gas stream can include a wall, a mixed gas stream passageway, and a liquid collection assembly. The wall can include a first surface, a second surface, and a plurality of capillary condensation pores. The capillary condensation pores extend through the wall, and have a first opening on the first surface of the wall, and a second opening on the second surface of the wall. The pore size of the pores can be between about 2 nm to about 100 nm. The mixed gas stream passageway can be in fluid communication with the first opening. The liquid collection assembly can collect liquid from the plurality of pores.Type: GrantFiled: March 24, 2011Date of Patent: August 20, 2013Assignee: UT-Battelle, LLCInventors: Roddie R. Judkins, Brian L. Bischoff, Melanie Moses Debusk, Chaitanya Narula
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Patent number: 8268030Abstract: The invention provides wind energy use. One application provides wind energy use for water harvesting from natural humid air. The method is based on changing thermodynamic state parameters of ambient wind air portions passed through a device comprising convergent-divergent and wing-like components. Those components transform the ambient wind portions into fast and cooled outflowing air portions. A decrease in static pressure and temperature triggers condensation of water-vapor into water-aerosols. Another application of the method provides an effective mechanism for harvesting electrical energy from naturally warm air using renewable wind energy, including the wind inertia, internal heat, and potential energy stored in the air mass in the Earth's gravitational field. The electrical energy harvesting mechanism is also applicable to use of natural renewable energy of streaming water.Type: GrantFiled: December 20, 2011Date of Patent: September 18, 2012Inventor: Yuri Abramov
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Patent number: 8221514Abstract: The invention provides an ecologically clean method and apparatus for water harvesting from air. The method is based on changing of thermodynamic state properties of air wind getting a rotation and passing through convergent-divergent nozzles. The apparatus is a water condensation engine exposed to humid wind. The constructive solution has no moving solid parts, and the incoming wind is an inherent moving component of the engine. It comprises a cascade of sequentially arranged horn-tubes and a set of stationary wing-like details. Those horn-tubes transform the wind into a fast and cooled out-flowing air flux coming-and-hitting upon the set of wing-like details, where the air portions are accelerated and eddying. The inner static pressure and temperature decrease in the air portions. The decrease in static pressure and temperature triggers off condensation of water-vapors into water-aerosols.Type: GrantFiled: August 11, 2010Date of Patent: July 17, 2012Assignee: Yuri AbramovInventor: Yuri Abramov
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Patent number: 8142549Abstract: A method of reducing moisture in a fluorine-containing gas is described. The method may include the steps of providing a purifier material that includes elemental carbon, and flowing the unpurified fluorine-containing gas having an unpurified moisture concentration over or through the carbon-based purifier material. At least a portion of the moisture is captured in the purifier material so that a purified fluorine-containing gas that emerges downstream of the purifier material has a reduced moisture concentration that is about 50% or less of the unpurified moisture concentration.Type: GrantFiled: March 26, 2009Date of Patent: March 27, 2012Assignee: Matheson Tri-Gas, Inc.Inventors: Andrew Millward, Joseph V. Vininski, Robert Torres, Jr., Tadaharu Wantanbe, Carrie L. Wyse, Mark Raynor, Dan Davia, Praveen Jha
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Patent number: 8142555Abstract: The invention aims at making a volatile organic compound harmless, and in addition comprehensively improving the energy efficiency within a facility where treatment of the volatile organic compound is necessary. In the invention, in order to achieve this aim, a solution means is adopted where, a discharge gas containing a volatile organic compound is supplied to an adsorption apparatus to adsorb the volatile organic compound in an adsorbent. The volatile organic compound is desorbed from the adsorbent with pressurized steam and mixed with the steam. The steam containing the volatile organic compound is supplied, in the pressurized state, to the combustion chamber of a gas turbine, and burned together with a fuel gas.Type: GrantFiled: August 18, 2005Date of Patent: March 27, 2012Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventor: Shigekazu Uji
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Patent number: 8118911Abstract: An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include a coupling device that attaches to the body and allows the two or more desiccant containing canisters to mount to the device. The arrangement may be configured to balance the flow of air to each of the desiccant containing canisters when drying air and/or when regenerating the desiccant.Type: GrantFiled: June 23, 2011Date of Patent: February 21, 2012Assignee: Bendix Commercial Vehicle Systems LLCInventors: Fred W. Hoffman, Leonard A. Quinn
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Patent number: 7981194Abstract: An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include an coupling device that attaches to the body and allows the two or more desiccant containing canisters to mount to the device. The arrangement may be configured to balance the flow of air to each of the desiccant containing canisters when drying air and/or when regenerating the desiccant.Type: GrantFiled: November 10, 2006Date of Patent: July 19, 2011Assignee: Bendix Commercial Vehicle Systems LLCInventors: Fred W. Hoffman, Leonard A. Quinn
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Patent number: 7922790Abstract: Compressor device having a compressor (2) with an inlet (3) and an outlet (4); a compressed air line (5) which connects the outlet (4) of the compressor (2) to a user network (6); a drier (7) which is incorporated in the compressed air line (5) and which includes at least two air receivers (13-16) which are each provided with an inlet (14) and an outlet (15) and which are filled with desiccant or drying agent, which air receivers (13-16) work alternately, such that while one air receiver (13) is drying the compressed gas, the other air receiver (16) is regenerated; and a blow-off device (28) for blowing off at least a part of the gas compressed by the compressor when the compressor (2) works in no-load or in partial load, characterized in that mechanisms are provided which make it possible to guide the part of the compressed gas which is blown off via the blow-off device (28) through the regenerating air receiver (13).Type: GrantFiled: July 20, 2005Date of Patent: April 12, 2011Assignee: Atlas Copco Airpower Naamloze VennootschapInventor: Danny Etienne Andrée Vertriest
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Publication number: 20100319536Abstract: This invention relates in part to a process for producing high purity acetylene by withdrawing a crude acetylene stream from a storage source, and passing said stream through an adsorbent bed that contains layered adsorption media to selectively remove moisture, solvent and carbon dioxide from the stream, thereby producing the high purity acetylene. The adsorption media is regenerated in-situ. The high purity acetylene product is useful as a source material for depositing carbon and carbon-containing films in semiconductor applications.Type: ApplicationFiled: June 23, 2009Publication date: December 23, 2010Inventors: Xuemei Song, Lloyd Anthony Brown, Thomas Thompson
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Patent number: 7854790Abstract: A method of processing a volatile organic compound is provided, wherein a volatile organic compound contained in gas to be treated is adsorbed in an adsorbent; the thus-adsorbed volatile organic compound is desorbed with the aid of steam and mixed in the steam; and the steam containing the volatile organic compound is combusted. This method further includes: separating a vessel for the adsorption and desorption into an inner side room and an outer side room by means of a separation member part of which is formed of the adsorbent; thermally retaining the vessel for the adsorption and desorption; at the time of adsorption, supplying the gas to be treated to the inner side room and therefrom to the outer side room; and at the time of desorption, supplying the steam to the outer side room and therefrom to the inner side room.Type: GrantFiled: June 29, 2007Date of Patent: December 21, 2010Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.Inventors: Shigekazu Uji, Masahito Yamaguchi
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Publication number: 20100206165Abstract: A method for the purification of a feed gas stream containing CO2 and water and at least one impurity chosen from NOx and SOx, comprising the incorporation of a purification step for the preferential elimination of water is provided.Type: ApplicationFiled: July 8, 2008Publication date: August 19, 2010Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Bruno Alban, Christphe Claeys, Philippe Court, Arthur Darde, Guillaume De Smedt, Bao Ha, Vladimir Hasanov, Simon Jallais, Christian Monereau, Serge Moreau, Elise Renou, Ivan Sanchez-Molinero, Jean-Pierre Tranier
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Patent number: 7763174Abstract: The present invention pertains to a reverse-flow reactor comprising at least one catalyst bed which is preceded and followed by at least one bed containing selectively adsorbing material, and its application for in a process for the removal of contaminants from a process stream.Type: GrantFiled: October 24, 2005Date of Patent: July 27, 2010Assignee: Shell Oil CompanyInventors: Alouisius Nicolaas Renée Bos, Girish Rajkumar Kabra, Jean-Paul Lange
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Patent number: 7713333Abstract: The present invention relates generally to adsorbents for use in pressure swing adsorption (PSA) prepurification processes. The invention more particularly relates to the design of adsorbent zones to be used in PSA prepurification processes that are expected to provide for extensions in PSA cycle time, thereby reducing blowdown loss and operating costs associated with the process. One particular embodiment of the present invention includes a first adsorption zone containing activated alumina and a second adsorption zone of an alumina-zeolite mixture or composite adsorbent in which the volume of the first zone does not exceed 50% of the total volume of the first and second zone.Type: GrantFiled: December 20, 2006Date of Patent: May 11, 2010Assignee: Praxair Technology, Inc.Inventors: Salil Uday Rege, Mark William Ackley, Jeffert John Nowobilski
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Patent number: 7691183Abstract: Method for drying the compressed gas of a compressor device (1) having at least two pressure stages (4-5), whereby a dryer (3) is used with at least two pressure vessels (9-12) which are filled with a desiccant and which work alternately, such that when one pressure vessel (12) is in action to dry the compressed gas, the other pressure vessel (9) is being regenerated, whereby, in order to regenerate the other pressure vessel (9), at least a part of this compressed gas is guided through the regenerating pressure vessel (9), and at least at the end of the regeneration cycle, this part of the compressed gas, after its passage through the regenerating pressure vessel, is guided to the pressure pipe (6) between two pressure stages (4-5).Type: GrantFiled: October 20, 2005Date of Patent: April 6, 2010Assignee: Atlas Copco Airpower Naamloze VennootschapInventor: Danny Etienne Andrée Vertriest
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Publication number: 20090249953Abstract: A method of reducing moisture in a fluorine-containing gas is described. The method may include the steps of providing a purifier material that includes elemental carbon, and flowing the unpurified fluorine-containing gas having an unpurified moisture concentration over or through the carbon-based purifier material. At least a portion of the moisture is captured in the purifier material so that a purified fluorine-containing gas that emerges downstream of the purifier material has a reduced moisture concentration that is about 50% or less of the unpurified moisture concentration.Type: ApplicationFiled: March 26, 2009Publication date: October 8, 2009Applicant: Matheson Tri-GasInventors: Andrew Millward, Joseph V. Vininski, Robert Torres, JR., Tadaharu Wantanbe, Carrie L. Wyse, Mark Raynor, Dan Davia, Praveen Jha
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Patent number: 7524358Abstract: Trace amounts of carbon monoxide and optionally hydrogen are removed from gaseous feed streams by passing the feed stream through a carbon monoxide adsorbent (33) prior to passing it through a supported metal catalyst (34). The invention saves significant capital and operational costs over existing processes.Type: GrantFiled: May 30, 2003Date of Patent: April 28, 2009Assignee: Praxair Technology, Inc.Inventors: Himanshu Saxena, Mark William Ackley, John Fredric Billingham, Philip Alexander Barrett
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Publication number: 20080307965Abstract: An air dryer, used in a compressed air system, includes an oil coalescing element for agglomerating oil in compressed air passing through the oil coalescing element in a first direction during a charging cycle and passing through the oil coalescing element in a second direction during a purging cycle. A drying material, which is downstream of the oil coalescing element during the charging cycle and upstream of the oil coalescing element during the purging cycle, reduces moisture in the compressed air during the charging cycle.Type: ApplicationFiled: June 15, 2007Publication date: December 18, 2008Applicant: BENDIX COMMERCIAL VEHICLE SYSTEMS LLCInventors: Fred W. Hoffman, Leonard A. Quinn, William P. Fornof
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Patent number: 7431900Abstract: A hydrogen peroxide vapor generation unit (10) receives hydrogen peroxide and water solution at an interface (20) and interconnects with an air dryer (14) by way of nipples (72, 92). In one embodiment, the dryer includes a clamping assembly (42) which is latched (74, 94) with the nipples and which receives a disposable desiccant cartridge (40). In an alternate embodiment, a reusable desiccant cartridge (40?) is connected directly to the nipples (72, 92). When the desiccant cartridge (40?) is saturated, it is removed and placed in a regenerator unit (120). A regenerated cartridge is installed in its place.Type: GrantFiled: February 28, 2003Date of Patent: October 7, 2008Assignee: Steris IncInventors: Aaron L. Hill, Arthur T. Nagare, Frank E. Dougherty, Stanley M. Voyten
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Publication number: 20080148938Abstract: The present invention relates generally to adsorbents for use in pressure swing adsorption (PSA) prepurification processes. The invention more particularly relates to the design of adsorbent zones to be used in PSA prepurification processes that are expected to provide for extensions in PSA cycle time, thereby reducing blowdown loss and operating costs associated with the process. One particular embodiment of the present invention includes a first adsorption zone containing activated alumina and a second adsorption zone of an alumina-zeolite mixture or composite adsorbent in which the volume of the first zone does not exceed 50% of the total volume of the first and second zone.Type: ApplicationFiled: December 20, 2006Publication date: June 26, 2008Inventor: Salil Uday Rege
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Publication number: 20080110340Abstract: An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include an coupling device that attaches to the body and allows the two or more desiccant containing canisters to mount to the device. The arrangement may be configured to balance the flow of air to each of the desiccant containing canisters when drying air and/or when regenerating the desiccant.Type: ApplicationFiled: November 10, 2006Publication date: May 15, 2008Inventors: Fred W. Hoffman, Leonard A. Quinn
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Patent number: 7166149Abstract: Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of exhausting gas from the system, the effluent can be put back into the feed at a point prior to condensation of the high value gas feed, and therefore the entire feed is purified without any high value gas feed going into a waste stream.Type: GrantFiled: January 12, 2004Date of Patent: January 23, 2007Assignee: UOP LLCInventors: Stephen R. Dunne, Peter K. Coughlin, Rustam H. Sethna
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Patent number: 7156900Abstract: The invention relates to an adsorber station with a first adsorber (A) and a second adsorber (B). A first closed loop pipeline (1) is connected to the adsorbers (A, B) and is provided with product gas feed line valves (4A, 4B) and regeneration gas discharge line valves (6A, 6B). A second closed loop pipeline (2) that is connected to the adsorbers (A, B) has product gas discharge line valves (7A, 7B) and regeneration gas feed line valves (8A, 8B).Type: GrantFiled: October 11, 2002Date of Patent: January 2, 2007Assignee: Linde AGInventors: Stefan Moeller, Wolfgang Bader
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Patent number: 7100305Abstract: An improved system and method for mounting an air dryer is provided. The improved system and method employs a single centralized special fitting that secures the air dryer manifold to a reservoir. The bore in which the fitting is disposed is used to communicate air from the reservoir to the air dryer in order to purge the desiccant in the air dryer. The mounting assembly includes anti-rotational mechanisms which prevent the air dryer from rotating about its axis. The mounting assembly may also include a reservoir and a mounting bracket for the reservoir which uses less than 75 percent of a truck mounting rail height.Type: GrantFiled: September 27, 2003Date of Patent: September 5, 2006Assignee: Bendix Commerical Vehicle Systems LLCInventors: Fred Hoffman, Leonard Quinn
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Patent number: 6911064Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as an in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.Type: GrantFiled: December 29, 2003Date of Patent: June 28, 2005Assignee: Ebara Research Co., Ltd.Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
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Patent number: 6736879Abstract: An adsorption method is disclosed for removal of acid gas from a sulfur compound stream. The method relates to a novel process to remove acid gas from a sulfur compound stream by adsorption on an adsorption media adsorbent followed by regeneration of the adsorption media after the adsorption capacity has been reached. The adsorption media comprises an activated alumina, which has been previously treated with one or more alkali metal compounds, one or more alkaline earth metal compounds, or a mixture thereof; and then regenerating the adsorbent after the adsorption capacity has been reached.Type: GrantFiled: May 1, 2002Date of Patent: May 18, 2004Assignee: Chevron Phillips Chemical Company LPInventors: Dan M. Hasenberg, Stan A. Zisman, Mitchell D. Refvik
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Patent number: 6733570Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.Type: GrantFiled: June 2, 1995Date of Patent: May 11, 2004Assignee: Ebara Research Co., Ltd.Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
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Patent number: 6730143Abstract: Oil entrained in purge air from a vehicle air dryer is directed through a purge air cleaner to remove the oil before discharge of the purge air to the environment. An absorbent material, perferably hydrophobic, is enclosed in the purge air cleaner, which may be safely disposed. Alternatively, oil can be extracted from the absorbent media and thereby recycled. By providing a spin-on type canister, the absorbent media can be easily replaced and serviced.Type: GrantFiled: November 18, 2002Date of Patent: May 4, 2004Assignee: Bendix Commercial Vehicle Systems, LLCInventors: Randall W. Nichols, Jeff Malarik
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Patent number: 6723154Abstract: Air in a compressed air system is cleaned by consecutively passing the air through a pre-filter, silica gel with large pores, silica gel with fine pores, a molecular sieve, and a fine filter.Type: GrantFiled: April 12, 2002Date of Patent: April 20, 2004Assignee: Haldex Brake Products ABInventors: Mats Olsson, Mats-Orjan Pogen
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Patent number: 6572681Abstract: Carbon monoxide (CO) is removed from a nitrogen and CO containing gas stream such as feed air to an air separation process for recovery of a nitrogen product gas stream or a nitrogen product gas stream from an air separation process by adsorbing CO from said gas stream before or after separation of oxygen from said gas stream to produce a product gas stream containing less than 5 ppb of CO by contacting said gas stream With a solid adsorbent such as a Mn, Fe, Ni, Cu, Ag, Pd, Co, Pt or Au exchanged zeolite and periodically regenerating the adsorbent by desorption of CO therefrom under a flow of regenerating gas, and, if said gas stream is said feed air, separating oxygen therefrom to produce said nitrogen product.Type: GrantFiled: July 22, 1998Date of Patent: June 3, 2003Assignee: Air Products and Chemicals, Inc.Inventors: Timothy Christopher Golden, Alexander Schwarz, Thomas Hsiao-Ling Hsiung, Fred William Taylor
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Patent number: 6557459Abstract: The present invention relates to an apparatus for preserving and dispensing wine or champagne. The apparatus provides a housing having a container support for holding wine or champagne bottles, a plurality of removable stoppers for insertion in the bottles, a nitrogen generator for generating a nitrogen rich gas from air, a nitrogen storage tank for storing the generated nitrogen rich gas, a cooling system for cooling certain bottles and dispensers for providing wine or champagne from the bottles to a user. The nitrogen generator draws in ambient air, adsorbs the oxygen from the air and stores nitrogen rich gas in the nitrogen storage tank. The nitrogen storage tank supplies the nitrogen rich gas to the bottles for preserving the wine or champagne. The stoppers include a nitrogen line and a supply line. The nitrogen line communicates nitrogen rich gas into the bottles and the supply line communicates wine or champagne from the bottles to the dispensers.Type: GrantFiled: November 26, 2001Date of Patent: May 6, 2003Assignee: Vin Valet, Inc.Inventors: Johne Phelps, Daniel N. O'Connor, Justin R. Lydon