Compounds Patents (Class 48/120)
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Patent number: 10770273Abstract: A plasma processing apparatus is provided. The plasma processing apparatus includes a chamber configured to perform a plasma process on a wafer, a viewport configured to transmit plasma light generated in the chamber, a rotation module coupled to the viewport to be rotatable around a rotation axis, and an OES (Optical Emission Spectroscopy) device which is coupled to the rotation module and configured to receive the plasma light, wherein the rotation module includes a first surface facing the viewport and a second surface facing the OES device, wherein the first surface is configured to block a part of the plasma light, and includes a first opening through which an inside of the rotation module is configured to be exposed to a part of the plasma light, and wherein the second surface includes a second opening configured to be in light communication with the first opening.Type: GrantFiled: August 30, 2018Date of Patent: September 8, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC CORPERATION FOUNDATION, YONSEI UNIVERSITYInventors: In-Joong Kim, Il Gu Yun
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Patent number: 8764859Abstract: A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of the reaction chamber reaches a predetermined level. Methods of operating the gas-generated apparatus and the self-regulated flow control device, including the cycling of a shut-off valve of the gas-generated apparatus and the cycling of the self-regulated flow control device are also described.Type: GrantFiled: February 17, 2012Date of Patent: July 1, 2014Assignee: Societe BICInventors: Alain Rosenzweig, Paul Adams, Andrew J. Curello, Floyd Fairbanks, Anthony Sgroi, Jr., Constance R. Stepan
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Patent number: 8372169Abstract: A low-temperature gasification system comprising a horizontally oriented gasifier is provided that optimizes the extraction of gaseous molecules from carbonaceous feedstock while minimizing waste heat. The system comprises a plurality of integrated subsystems that work together to convert municipal solid waste (MSW) into electricity. The subsystems comprised by the low-temperature gasification system are: a Municipal Solid Waste Handling System; a Plastics Handling System; a Horizontally Oriented Gasifier with Lateral Transfer Units System; a Gas Reformulating System; a Heat Recycling System; a Gas Conditioning System; a Residue Conditioning System; a Gas Homogenization System and a Control System.Type: GrantFiled: May 7, 2007Date of Patent: February 12, 2013Assignee: Plasco Energy Group Inc.Inventors: Andreas Tsangaris, Scott Douglas Basham, Kenneth Craig Campbell, Ashish Chotaliya, Mao Pei Cui, Geofrey Dobbs, Douglas Michael Feasby, Pascale Bonnie Marceau, Alisdair Alan McLean, Zhiyuan Shen, Nipun Soni, Thomas Edward Wagler, Xiaoping Zou, Margaret Swain
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Patent number: 8317884Abstract: A gas-generating apparatus (10) includes a reaction chamber (18) containing a solid fuel component (24) and a liquid fuel component (22) that is introduced into the reaction chamber by a fluid path, such as a tube, nozzle, or valve. The flow of the liquid fuel to the solid fuel is self-regulated. Other embodiments of the gas-generating apparatus are also disclosed.Type: GrantFiled: February 2, 2011Date of Patent: November 27, 2012Assignee: Societe BicInventors: Andrew Curello, Floyd Fairbanks, Constance R. Stepan, Anthony Sgroi, Jr., Michael Curello
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Patent number: 8152873Abstract: A system is disclosed to generate hydrogen. The system includes a fuel cartridge, a cartridge interface, and a fuel cartridge receiver. The fuel cartridge includes a liquid permeable material with one or more cavities that encloses a solid anhydrous chemical hydride. The fuel cartridge also includes a housing that is heat and pressure resistant that houses the liquid permeable material, and a liquid. The fuel cartridge also includes one or more liquid sources that introduce the liquid into the housing such that the liquid contacts at least a portion of the liquid permeable material.Type: GrantFiled: December 22, 2009Date of Patent: April 10, 2012Assignee: Trulite, IncInventors: Kevin Shurtleff, Eric Ladd, John Patton, Chris Brydon, Ken Pearson
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Patent number: 8118893Abstract: A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of the reaction chamber reaches a predetermined level. Methods of operating the gas-generated apparatus and the self-regulated flow control device, including the cycling of a shut-off valve of the gas-generated apparatus and the cycling of the self-regulated flow control device are also described.Type: GrantFiled: January 26, 2009Date of Patent: February 21, 2012Assignee: Societe BicInventors: Alain Rosenzweig, Paul Adams, Andrew J. Curello, Floyd Fairbanks, Anthony Sgroi, Jr., Constance R. Stepan
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Publication number: 20110239541Abstract: Systems for recycling waste plastic can include cartridges that are selectively sealable. Some cartridges can have elongated receptacles that improve heat transfer to plastic feedstock within the cartridges.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: PLAS2FUEL CORPORATIONInventors: Craig W. Garrison, Kevin Clark DeWhitt
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Patent number: 7901644Abstract: Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.Type: GrantFiled: December 23, 2008Date of Patent: March 8, 2011Assignee: GreatPoint Energy, Inc.Inventors: Alkis S. Rappas, Robert A. Spitz
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Patent number: 7896934Abstract: A gas-generating apparatus (10) includes a reaction chamber (18) containing a solid fuel component (24) and a liquid fuel component (22) that is introduced into the reaction chamber by a fluid path, such as a tube, nozzle, or valve. The flow of the liquid fuel to the solid fuel is self-regulated. Other embodiments of the gas-generating apparatus are also disclosed.Type: GrantFiled: June 12, 2006Date of Patent: March 1, 2011Assignee: Societe BicInventors: Andrew J. Curello, Floyd Fairbanks, Constance R. Stepan, Anthony Sgroi, Jr., Michael Curello
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Patent number: 7897126Abstract: Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.Type: GrantFiled: December 23, 2008Date of Patent: March 1, 2011Assignee: Greatpoint Energy, Inc.Inventors: Alkis S. Rappas, Robert A. Spitz
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Patent number: 7651542Abstract: An apparatus is disclosed to generate hydrogen. A liquid permeable material with one or more cavities contains a solid anhydrous chemical hydride and an anhydrous activating agent. A housing that is heat and pressure resistant houses the liquid permeable material, and a liquid. One or more liquid sources inject the liquid into the housing such that the liquid contacts at least a portion of the liquid permeable material. A gas outlet port releases hydrogen gas produced by a reaction comprising the solid anhydrous chemical hydride, the anhydrous activating agent, and the liquid. A hydrogen output regulator controls the amount of hydrogen gas that the gas outlet port releases.Type: GrantFiled: July 26, 2007Date of Patent: January 26, 2010Assignee: Thulite, IncInventors: Kevin Shurtleff, Eric Ladd, John Patton, Chris Brydon, Ken Pearson
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Patent number: 7556660Abstract: The apparatus includes a liquid permeable pouch that defines a cavity for maintaining an anhydrous hydride reactant, wherein the cavity comprises a cross-section such that a point within the cross-section is separated from a perimeter of the liquid permeable pouch by no more than double the permeation distance, and a cartridge configured to receive the liquid permeable pouch and a liquid reactant such that at least a portion of the liquid permeable pouch is submerged in the liquid reactant. The system includes a plurality of pouches formed from two rectangular sheets of liquid permeable material, and each pouch has a width selected such that each point within a cross-section is separated from the sheets by no more than double the permeation distance. The method includes joining the sheets, forming one or more seals to define a cavity, disposing anhydrous hydride within the cavity, and sealing the opening.Type: GrantFiled: April 26, 2007Date of Patent: July 7, 2009Inventors: James Kevin Shurtleff, John Madison Patton, Eric J. Ladd
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Patent number: 7527660Abstract: A hydrogen fuel manufacturing system capable of efficiently producing each hydrogen fuel in accordance with a demanded quantity is disclosed. The system includes a hydrogen manufacturing apparatus for manufacturing hydrogen, more than two hydrogen fuel manufacturing apparatuses for manufacturing hydrogen fuels by letting the hydrogen produced by the hydrogen manufacturing apparatus change into a fuel-use form, wherein the fuel form to be manufactured by the hydrogen fuel manufacturing apparatuses is set to have more than two kinds. Additionally the system has a hydrogen fuel production volume receiver device for receipt of the information as to a hydrogen fuel production volume, thereby controlling the production volume of the hydrogen fuel being manufactured by the hydrogen fuel manufacturing apparatus, based on the hydrogen fuel production volume information as received by the hydrogen fuel production volume receiver device.Type: GrantFiled: February 15, 2005Date of Patent: May 5, 2009Assignee: Hitachi, Ltd.Inventors: Masafumi Noujima, Takeyuki Itabashi, Takao Ishikawa, Hiroshi Kanemoto
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Patent number: 7507384Abstract: According to the present invention, a temperature profile within a preferential oxidation reactor is controlled using a two phase water/steam system to provide a temperature range within the reactor (10) which favors the selective oxidation of CO in a hydrogen rich reformate stream. The reformate is flowed in a mixture with oxygen over a preferential oxidation catalyst (17). The temperature profile is controlled by flowing a stream of water proximate to the preferential oxidation catalyst (17) so as the stream of water and the reformate stream passing over the catalyst (17) are in a heat transfer arrangement. The stream of water is maintained as a two phase stream from a point at which the water reaches its boiling temperature to a point proximate an outlet from which the stream of water exits the reactor (10).Type: GrantFiled: June 13, 2003Date of Patent: March 24, 2009Assignee: Nuvera Fuel Cells, Inc.Inventors: Darryl Pollica, William F. Northrop, Chunming (Frank C.) Qi, Mark R. Hagan, Alexis Smith, Lawrence Clawson
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Patent number: 7481858Abstract: A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of the reaction chamber reaches a predetermined level. Methods of operating the gas-generated apparatus and the self-regulated flow control device, including the cycling of a shut-off valve of the gas-generated apparatus and the cycling of the self-regulated flow control device are also described.Type: GrantFiled: February 25, 2005Date of Patent: January 27, 2009Assignee: Societe BICInventors: Alain Rosenzweig, Paul Adams, Andrew J. Curello, Floyd Fairbanks, Anthony Sgroi, Jr., Constance R. Stephan
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Patent number: 7008707Abstract: A fuel cell system including a fuel reforming processor having a catalyst therein constructed and arranged to produce a reformate stream including hydrogen and carbon monoxide, a water gas shift reactor downstream of the fuel reforming processor and wherein the water gas shift reactor includes a catalyst therein constructed and arranged to reduce the amount of carbon monoxide in the reformate stream, a preferential oxidation reactor downstream of the water gas shift reactor and wherein the preferential oxidation reactor includes a catalyst therein constructed and arranged to preferentially oxidize carbon monoxide into carbon dioxide and to produce a hydrogen-rich stream, and a fuel cell stack downstream of the preferential oxidation reactor constructed and arranged to produce electricity from the hydrogen-rich stream, a first direct water vaporizing combustor constructed and arranged to combust fuel producing a high-temperature fuel combustion byproducts exhaust and to produce steam from water sprayed into thType: GrantFiled: February 15, 2002Date of Patent: March 7, 2006Assignee: General Motors CorporationInventor: Steven G. Goebel
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Patent number: 6986797Abstract: An auxiliary reactor for use with a reformer reactor having at least one reaction zone, and including a burner for burning fuel and creating a heated auxiliary reactor gas stream, and heat exchanger for transferring heat from auxiliary reactor gas stream and heat transfer medium, preferably two-phase water, to reformer reaction zone. Auxiliary reactor may include first cylindrical wall defining a chamber for burning fuel and creating a heated auxiliary reactor gas stream, the chamber having an inlet end, an outlet end, a second cylindrical wall surrounding first wall and a second annular chamber there between. The reactor being configured so heated auxiliary reactor gas flows out the outlet end and into and through second annular chamber and conduit which is disposed in second annular chamber, the conduit adapted to carry heat transfer medium and being connectable to reformer reaction zone for additional heat exchange.Type: GrantFiled: May 2, 2000Date of Patent: January 17, 2006Assignee: Nuvera Fuel Cells Inc.Inventors: Lawrence G. Clawson, Matthew H. Dorson, William L. Mitchell, Brian J. Nowicki, Jeffrey M. Bentley, Robert Davis, Jennifer W. Rumsey
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Patent number: 6790247Abstract: An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in an insulated, box-shaped, compact fuel processor. The multi-step process includes preheating the hydrocarbon fuel utilizing integration with the inherent exothermic processes utilized with the fuel processor, reacting the preheated hydrocarbon fuel to form the hydrogen rich gas, and purifying the hydrogen rich gas to produce a gas that is suitable for consumption in a fuel cell.Type: GrantFiled: April 26, 2002Date of Patent: September 14, 2004Assignee: Texaco Inc.Inventors: Robert Childress, John R. Farrell, Wendell B. Leimbach, James W. Marshall
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Publication number: 20040134127Abstract: The present invention is an apparatus arranged to maximize heat utilization for a hydrocarbon steam reforming process to produce synthesis gas. The apparatus comprises a refractory lined vessel with partition walls that divide the inside of the vessel into (1) a combustion chamber(s) containing one or more burners, and (2) convection chambers used as a means to remove combustion products from the combustion chamber through one or more openings at the opposite end of the burner end. The combustion chamber contains one or more reformer tubes in which a mixed-feed of hydrocarbon and steam flow co-current with combustion products and receive direct radiant heat from the combustion flame through the tube wall. The convection chambers contain a tube-in-tube device filled with catalyst in the annuli.Type: ApplicationFiled: December 24, 2003Publication date: July 15, 2004Inventors: Hoanh Nang Pham, David Hon Sing Ying, Shoou-l Wang, Scott David Madara, Joel Charles MacMurray
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Patent number: 6746496Abstract: A compact solid source of hydrogen gas, where the gas is generated by contacting water with micro-disperse particles of sodium borohydride in the presence of a catalyst, such as cobalt or ruthenium. The micro-disperse particles can have a substantially uniform diameter of 1-10 microns, and preferably about 3-5 microns. Ruthenium or cobalt catalytic nanoparticles can be incorporated in the micro-disperse particles of sodium borohydride, which allows a rapid and complete reaction to occur without the problems associated with caking and scaling of the surface by the reactant product sodium metaborate. A closed loop water management system can be used to recycle wastewater from a PEM fuel cell to supply water for reacting with the micro-disperse particles of sodium borohydride in a compact hydrogen gas generator. Capillary forces can wick water from a water reservoir into a packed bed of micro-disperse fuel particles, eliminating the need for using an active pump.Type: GrantFiled: July 9, 2002Date of Patent: June 8, 2004Assignee: Sandia CorporationInventors: Stanley H. Kravitz, Andrew M. Hecht, Alan P. Sylwester, Nelson S. Bell
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Publication number: 20040088921Abstract: The invention relates to a gas generator, especially for generating treatment gas containing CO and H2, for heat treating metallic material at high temperatures. Said gas generator comprises at least one catalytic retort and has means for heating at least partial areas of the catalytic retort(s). According to the invention, the catalytic retort is divided into at least two retort areas (1, 2a, 2b, 2e) and at least one of the retort areas (1), preferably the retort area (1) located first in the direction of flow-through, is configured so that it can be removed from the gas generator.Type: ApplicationFiled: June 17, 2003Publication date: May 13, 2004Inventors: Bernd Kleinpass, Thomas Mahlo, Reinhard Strigl
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Publication number: 20040028570Abstract: According to one embodiment of the invention, a gas generator system includes a combustion chamber having an insulation coupled to an inside surface thereof, a retort having a catalyst therein disposed within the combustion chamber, and an access door coupled to a side of the combustion chamber. The access door allows removal of the retort from the side of the combustion chamber. According to another embodiment of the invention, a gas generator system includes a combustion chamber having an insulation coupled to an inside surface thereof, a retort having a catalyst therein disposed within the combustion chamber, and a recuperator disposed proximate an open bottom of the combustion chamber. The recuperator prevents secondary combustion air from traveling in a direct path into the combustion chamber from outside the open bottom of the combustion chamber and raises the temperature of the secondary combustion air.Type: ApplicationFiled: August 8, 2002Publication date: February 12, 2004Applicant: AFC-HolcroftInventors: Wallace J. Titus, Madhu P. Bhatnagar, Joseph A. Kozma, John A. Lutz
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Patent number: 6641625Abstract: A hydrocarbon reformer system including a first reactor configured to generate hydrogen-rich reformate by carrying out at least one of a non-catalytic thermal partial oxidation, a catalytic partial oxidation, a steam reforming, and any combinations thereof, a second reactor in fluid communication with the first reactor to receive the hydrogen-rich reformate, and having a catalyst for promoting a water gas shift reaction in the hydrogen-rich reformate, and a heat exchanger having a first mass of two-phase water therein and configured to exchange heat between the two-phase water and the hydrogen-rich reformate in the second reactor, the heat exchanger being in fluid communication with the first reactor so as to supply steam to the first reactor as a reactant is disclosed. The disclosed reformer includes an auxiliary reactor configured to generate heated water/steam and being in fluid communication with the heat exchanger of the second reactor to supply the heated water/steam to the heat exchanger.Type: GrantFiled: May 2, 2000Date of Patent: November 4, 2003Assignee: Nuvera Fuel Cells, Inc.Inventors: Lawrence G. Clawson, Matthew H. Dorson, William L. Mitchell, Brian J. Nowicki, Johannes Thijssen, Robert Davis, Christopher Papile, Jennifer W. Rumsey, Nathan Longo, James C. Cross, III, Vincent Rizzo, Gunther Kleeburg, Michael Rindone, Stephen G. Block, Maria Sun, Brian D. Morriseau, Mark R. Hagan, Brian Bowers
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Patent number: 4236899Abstract: A gas generator which comprises a heat resistant housing and a reaction chamber which is centrally arranged therein and contains a catalytic charge, with an inlet opening for the reactants and an outlet opening for the fuel gas is used for catalytically reacting liquid, hydrocarbon containing fuel to be evaporated with an oxygen containing gas at elevated temperature to form a fuel gas. The housing consists of a lower part and a removable cover and the reaction chamber including the catalytic charge is replaceable. The fuel and/or the oxygen containing gas is fed to the reaction chamber for preheating and evaporating, respectively, via a system of tubes which is arranged between the reaction chamber and the lower part of the housing and is run around the reaction chamber in helical fashion.Type: GrantFiled: September 20, 1978Date of Patent: December 2, 1980Assignee: Siemens AktiengesellschaftInventors: Peter Gulden, Friedrich Kozdon, Eugen S. de Bucs, Walter Kusebauch, Helmut Forster, Mathias Schnicke, Heinz Christoph, Berthold Pfadenhauer, Gerald Edinger
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Patent number: 4212652Abstract: Apparatus and system for producing high pressure gas, such as high pressure coal gas from coal, air and water. Pulverized coal is introduced into a rising stream of steam in a central reaction column of a retort to constitute a fluidized or entrained bed. The coal reacts with the steam to form a gas consisting of hydrogen, carbon monoxide, carbon dioxide, nitrogen, methane and higher hydrocarbons. The retort is constructed so that product gas and air may be burned in an annular chamber surrounding the central reaction column to produce hot flue gas. The hot flue gas is used to drive a turbine which in turn, drives a compressor which introduces compressed air into the annular chamber. Steam tubes may be disposed in the annular space so that the steam introduced to the central reaction chamber may be super-heated by the hot flue gas.Type: GrantFiled: April 5, 1978Date of Patent: July 15, 1980Inventor: Anthony A. duPont
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Patent number: 4203731Abstract: A gas making retort includes a substantially upright mixing chamber opening into a first horizontal refractory cylinder which encloses a second horizontal refractory cylinder. The second cylinder encloses two centrally positioned refractory circular gas out take tubes directly opposite to each other. Each of the cylinders has a cylindrical passageway for the introduction of a mixture of air, steam and a carbonaceous material from the mixing chamber into a gas making space defined between the internal ends of the gas out take tubes wherein a partial combustion of the mixture takes place.Type: GrantFiled: December 15, 1977Date of Patent: May 20, 1980Inventors: Wayne Bailey, Robert Kemp
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Patent number: 4137052Abstract: Apparatus and system for producing coal gas from coal, air and water. Pulverized coal is introduced into a rising stream of air and steam in a retort to constitute a fluidized or entrained bed. The coal reacts with the steam and air to form a gas consisting of hydrogen, carbon monoxide, carbon dioxide, nitrogen, methane and higher hydrocarbons. In some cases the air may be eliminated to produce nitrogen-free gas. In other instances, the production of methane and higher hydrocarbons may be suppressed to produce a gas consisting primarily of hydrogen and carbon monoxide. The retort is constructed so that product gas and air may be burned in an annular space surrounding the central reaction column to produce hot flue gas. Steam tubes may be disposed in the annular space so that the steam and air introduced to the central reaction chamber may be super-heated by the hot flue gas.Type: GrantFiled: August 17, 1977Date of Patent: January 30, 1979Inventors: Anthony A. du Pont, Joseph A. Connell
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Patent number: 4105419Abstract: A fluidized bed apparatus suitable for the combustion of fuel has a baffle assembly arranged in the freeboard above the fluidized bed level. The assembly is in the form of a perforate duct which defines within it a passage connecting with the gas exit of the apparatus. Gases issuing from the bed, in use, and carrying bed material impinge upon the duct and are arranged to follow a vortical path around the duct, resulting in a deceleration of the particles which fall back into the bed. The gases pass into the duct for exhaust substantially free from contamination by bed material. The baffle assembly is of particular value where a gas flows horizontally to a gas exit and prevents or substantially reduces elutriation.Type: GrantFiled: March 11, 1977Date of Patent: August 8, 1978Assignee: Coal Industry (Patents) LimitedInventors: John Highley, Michael A. Vickers
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Patent number: 4101295Abstract: Apparatus for converting coal into a gas substitute in which a slurry mix of pulverized coal and water is heated to form an emulsion which is then successively passed through a catalytic chamber and a convertor chamber.The catalyzed emulsion mix is heated to destructive distillation temperatures in the convertor chamber as superheated steam is introduced into the convertor chamber to effect a continuous destructive distillation process. The products of destructive distillation are then successively scrubbed, condensed and passed through separators to separate the solids and free hydrogen from the gaseous constituents with a portion of the distillation products not comprising the final natural gas substitutes being recycled to the burner as fuel to generate the heating temperatures necessary to perform the method. The condensed water is also recycled to form the slurry or the steam introduced into the convertor.Type: GrantFiled: August 16, 1976Date of Patent: July 18, 1978Inventor: John H. Sadler
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Patent number: 4080181Abstract: A gas generator is provided for the production of gas from fuel and steam under conditions of high pressure and temperature. The requisite temperature is preferably provided by a nuclear reactor. The gas generator includes a cylinder wth a hollow interior. Extending transversely through the hollow interior of the cylinder is a container. Tubular heat exchangers are vertically arranged over the length, width and height of the cylinder in such a manner that the density of heating surfaces decreases along the length of the container.Type: GrantFiled: November 8, 1976Date of Patent: March 21, 1978Assignee: Bergwerksverband GmbHInventors: Paul Peter Feistel, Karl Heinrich Van Heek, Harald Juntgen, Rainer Durrfeld
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Patent number: 4046522Abstract: A pre-engine catalytic converter for use with fuels which are mixtures of hydrocarbons and oxygenated organic compounds, such as alcohols, ethers and ketones, convertible to carbon monoxide and H.sub.2. The converter comprises two catalyst beds arranged in series, the first containing a catalyst suitable for the decomposition of organic oxygenates to CO and H.sub.2 and the second containing a cracking catalyst of the ZSM-5 zeolite type to convert the liquid hydrocarbon fuel to gaseous hydrocarbon fuel. Energy is extracted from the engine exhaust by heat exchange and utilized to support the catalytic reactions whereby the heating value and the octane rating of the fuel are increased. The performance and fuel economy of the engine are substantially improved.Type: GrantFiled: June 25, 1976Date of Patent: September 6, 1977Assignee: Mobil Oil CorporationInventors: Nai Yuen Chen, Heinz Heinemann
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Patent number: 3971634Abstract: A heat pipe methanator for converting coal gas to methane. Gravity return heat pipes are employed to remove the heat of reaction from the methanation promoting catalyst, transmitting a portion of this heat to an incoming gas pre-heat section and delivering the remainder to a steam generating heat exchanger.Type: GrantFiled: April 25, 1975Date of Patent: July 27, 1976Assignee: The United States of America as represented by the United States Energy Research and Development AdministrationInventors: William A. Ranken, Joseph E. Kemme