With Sorbing Or Mixing Patents (Class 62/46.1)
  • Patent number: 7371907
    Abstract: The present invention includes a method for hydrogen clathrate hydrate synthesis. First, ice and hydrogen gas are supplied to a containment volume at a first temperature and a first pressure. Next, the containment volume is pressurized with hydrogen gas to a second higher pressure, where hydrogen clathrate hydrates are formed in the process.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: May 13, 2008
    Assignee: Los Alamos National Security, LLC
    Inventors: Konstantin Lokshin, Yusheng Zhao
  • Patent number: 7257952
    Abstract: The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a given composition of gas. The pipe for the gas storage system is preferably large diameter pipe made of a high strength material whereby a low temperature is selected which can be withstood by the material of the pipe. Knowing the compressibility factor of the gas, the temperature, and the diameter of the pipe, the wall thickness of the pipe is calculated for the pressure range of the gas at the selected temperature. The gas storage system may either be modular or be part of the structure of a vehicle for transporting the gas. The gas storage system further includes enclosing the pipes in an enclosure having a nitrogen atmosphere. A displacement fluid may be used to offload the gas from the gas storage system.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: August 21, 2007
    Assignee: EnerSea Transport LLC
    Inventors: William M. Bishop, Charles N. White, David J. Pemberton
  • Patent number: 7137260
    Abstract: This invention relates to the storage under pressure in a container and subsequent transport of the filled pressurized container of particular natural gas or natural gas-like mixtures that contain methane or natural gas plus an additive, and which mixtures have been refrigerated to less than ambient temperature. (This invention also relates to a similar mixture which has been created by the removal of methane or a lean gas from a richer natural gas mixture.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: November 21, 2006
    Assignee: Zedgas, Inc.
    Inventor: Glen F. Perry
  • Patent number: 7036324
    Abstract: This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus and a cryosorptive storage apparatus. Methods and devices that allow for an energy efficient filling of the cryosorptive apparatus from the hydrogen source apparatus are described. The cryosorptive hydrogen storage apparatus is filled with cold, pressurized hydrogen. During the course of filling, heat is generated in the cryosorptive storage device by the process of hydrogen adsorption on to the host medium. Methods and devices are provided for the removal the generated heat and the warm hydrogen. Further provided are devices and methods for the capture and recycle of escaped hydrogen within the hydrogen source apparatus.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: May 2, 2006
    Assignee: Nanomix Inc.
    Inventors: Keith Bradley, Jeff Wyatt, Seung-Hoon Jhi, Young-Kyun Kwon, Jean Christophe Gabriel, George Gruner
  • Patent number: 7028488
    Abstract: A method of dispensing a liquid material from a source container which includes a blend of fluids of a first composition that normally fractionate upon boiling. A material of a second composition (different than that of the first composition) and capable of maintaining the first composition of the material remaining in the source container is added to the source container during the transfer of liquid from the source container. This addition of a material of a second composition to the supply container during the transfer can minimize and/or even eliminate fractionation of the liquid in the source tank.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: April 18, 2006
    Assignee: Honeywell International Inc.
    Inventors: Robert G. Richard, Henk van der Maaten
  • Patent number: 7024869
    Abstract: An apparatus for dispensing an odorant to a hydrogen gas includes at least one container, each container having an interior volume. At least one odorant material is disposed in the interior volume of a first container, the odorant material having at least one detectable odor. At least one hydrogen storage material is disposed in the interior volume of the first container or the interior volume of a second container.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: April 11, 2006
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Pushpinder Singh Puri, Guido Peter Pez
  • Patent number: 6986258
    Abstract: This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus, a cryosorptive storage apparatus, and a fuel recycle loop. Methods and devices that allow for an energy efficient release of hydrogen from the cryosorptive apparatus are described. At the outset of a fuel release, the cryosorptive hydrogen storage apparatus contains cold, pressurized hydrogen. Release of hydrogen from the storage apparatus is a process that consumes heat, thereby drawing down both the temperature and pressure. Heat can be provided to the cryosorptive storage apparatus by various direct approaches, or through the influx of warm, recycled hydrogen.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: January 17, 2006
    Assignee: Nanomix, Inc.
    Inventors: Keith Bradley, Jeff Wyatt
  • Patent number: 6968704
    Abstract: The present invention relates to methods and systems for densifying liquids, specifically the densification of cryogenic propellants. A preferred system of the present invention subcools and densifies liquid propellants by utilizing a countercurrent gas or liquid flow. The countercurrent flow preferably utilizes a gas having a lower boiling point than the propellants. A packed tower may then be used, at or above atmospheric pressure, to introduce the countercurrent flow to the propellant. This methodology avoids the costs and problems associated with subatmospheric operation. A preferred embodiment is directed toward the densification of liquid oxygen, with a similar embodiment directed toward the simultaneous densification of liquid oxygen and liquid hydrogen. Systems and methods of the present invention may also be used to densify other liquids in similar fashion.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: November 29, 2005
    Assignee: PHPK Technologies Inc.
    Inventor: Charles B. Hood
  • Patent number: 6834508
    Abstract: This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus and a cryosorptive storage apparatus. Methods and devices that allow for an energy efficient filling of the cryosorptive apparatus from the hydrogen source apparatus are described. The cryosorptive hydrogen storage apparatus is filled with cold, pressurized hydrogen. During the course of filling, heat is generated in the cryosorptive storage device by the process of hydrogen adsorption on to the host medium. Methods and devices are provided for the removal the generated heat and the warm hydrogen. Further provided are devices and methods for the capture and recycle of escaped hydrogen within the hydrogen source apparatus.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: December 28, 2004
    Assignee: Nanomix, Inc.
    Inventors: Keith Bradley, Jeff Wyatt, Seung-Hoon Jhi, Young-Kyun Kwon, Jean Christophe Gabriel, George Gruner
  • Patent number: 6823679
    Abstract: A system to produce a densified fluid, and more particularly a densified propellant to be used in a launch vehicle. The system includes a vessel containing a first fluid and an injection nozzle to inject a cooling fluid into the vessel. The first fluid in the vessel has a freezing temperature greater than the boiling point of the second fluid that is injected into it. The second fluid is injected into the first fluid and evaporates therefrom to cool the first fluid. An anti-icing chamber is placed around the injection nozzle and a third fluid is provided to the anti-icing chamber to form an interface which does not allow the first fluid to contact the injection nozzle. In this way, the second fluid can be substantially continuously provided through the injection nozzle to the first fluid to cool the first fluid. A heat exchanger can then be provided in the vessel to cool an additional material.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: November 30, 2004
    Assignee: The Boeing Company
    Inventors: Martin E. Lozano, Christopher A. Moore, David A. Neary
  • Publication number: 20040144102
    Abstract: A system to produce a densified fluid, and more particularly a densified propellant to be used in a launch vehicle. The system includes a vessel containing a first fluid and an injection nozzle to inject a cooling fluid into the vessel. The first fluid in the vessel has a freezing temperature greater than the boiling point of the second fluid that is injected into it. The second fluid is injected into the first fluid and evaporates therefrom to cool the first fluid. An anti-icing chamber is placed around the injection nozzle and a third fluid is provided to the anti-icing chamber to form an interface which does not allow the first fluid to contact the injection nozzle. In this way, the second fluid can be substantially continuously provided through the injection nozzle to the first fluid to cool the first fluid. A heat exchanger can then be provided in the vessel to cool an additional Material.
    Type: Application
    Filed: January 27, 2003
    Publication date: July 29, 2004
    Inventors: Martin E. Lozano, Christopher A. Moore, David A. Neary
  • Publication number: 20040134201
    Abstract: The invention relates to a method for storing liquefied zeotropic gas mixtures. To ensure a composition of the liquid phase which meets specifications, the change of the gas phase is determined by means of a differential pressure transducer by comparing the pressure with a calibration mixture. The mixture composition of the liquid phase is regulated by subsequently metering in the mixture components which have the higher partial pressure.
    Type: Application
    Filed: October 14, 2003
    Publication date: July 15, 2004
    Inventors: Felix Flohr, Christoph Meurer
  • Publication number: 20040123606
    Abstract: This invention relates to the storage under pressure in a container and subsequent transport of the filled pressurized container of particular natural gas or natural gas-like mixtures that contain methane or natural gas plus an additive, and which mixtures have been refrigerated to less than ambient temperature. (This invention also relates to a similar mixture which has been created by the removal of methane or a lean gas from a richer natural gas mixture.
    Type: Application
    Filed: January 12, 2004
    Publication date: July 1, 2004
    Inventor: Glen F. Perry
  • Patent number: 6748748
    Abstract: A hydrogen storage and supply apparatus is described. The apparatus has a container that includes a cold enclosure. A porous material capable of occluding hydrogen pervades the cold enclosure. The porous material contains a plurality of light elements including Be, B, C, N, O, F, Mg, P, S, Li, Na, Al, Si and Cl. The cold enclosure can have a temperature in a range between about 30K and 270K and can withstand pressures up to about 50 bara. The container can have a layered wall structure with at least two walls, and there can be a cavity between the walls, which can provide thermal insulation. A hydrogen-consuming system is described in which the hydrogen storage and supply apparatus is used to provide hydrogen to a hydrogen-fueled device. A hydrogen production and distribution system, which used the hydrogen storage and supply apparatuses is described. Methods of storing, supplying and using hydrogen are also described.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: June 15, 2004
    Assignee: Nanomix, Inc.
    Inventors: Keith Bradley, Jeff D. Wyatt, Jean-Christophe P. Gabriel, George Gruner
  • Publication number: 20040093874
    Abstract: This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus and a cryosorptive storage apparatus. Methods and devices that allow for an energy efficient filling of the cryosorptive apparatus from the hydrogen source apparatus are described. The cryosorptive hydrogen storage apparatus is filled with cold, pressurized hydrogen. During the course of filling, heat is generated in the cryosorptive storage device by the process of hydrogen adsorption on to the host medium. Methods and devices are provided for the removal the generated heat and the warm hydrogen. Further provided are devices and methods for the capture and recycle of escaped hydrogen within the hydrogen source apparatus.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 20, 2004
    Applicant: Nanomix, Inc.
    Inventors: Keith Bradley, Jeff Wyatt, Seung-Hoon Jhi, Young-Kyun Kwon, Jean Christophe Gabriel, George Gruner
  • Patent number: 6735960
    Abstract: A method for hydrogen storage includes providing water and hydrogen gas to a containment volume, reducing the temperature of the water and hydrogen gas to form a hydrogen clathrate at a first cryogenic temperature and a first pressure and maintaining the hydrogen clathrate at second cryogenic temperature within a temperature range of up to 250 K to effect hydrogen storage. The low-pressure hydrogen hydrate includes H2O molecules, H2 molecules and a unit cell including polyhedron cages of hydrogen-bonded frameworks of the H2O molecules built around the H2 molecules.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: May 18, 2004
    Assignee: Carnegie Institution of Washington
    Inventors: Wendy L. Mao, Ho-Kwang Mao
  • Publication number: 20040040316
    Abstract: This invention provides for an apparatus and a method for operation of a cryogenic hydrogen storage system that contains a porous medium configured to adsorb hydrogen. The hydrogen storage and supply system includes a hydrogen source apparatus, a cryosorptive storage apparatus, and a fuel recycle loop. Methods and devices that allow for an energy efficient release of hydrogen from the cryosorptive apparatus are described. At the outset of a fuel release, the cryosorptive hydrogen storage apparatus contains cold, pressurized hydrogen. Release of hydrogen from the storage apparatus is a process that consumes heat, thereby drawing down both the temperature and pressure. Heat can be provided to the cryosorptive storage apparatus by various direct approaches, or through the influx of warm, recycled hydrogen.
    Type: Application
    Filed: November 22, 2002
    Publication date: March 4, 2004
    Applicant: Nanomix, Inc.
    Inventors: Keith Bradley, Jeff Wyatt
  • Patent number: 6681589
    Abstract: A portable life support system includes a primary oxygen supply in thermal communication with a recirculated ventilation flow from a user. The primary oxygen supply has a solid adsorbent bed made of a molecular sieve that adsorbs oxygen at cryogenic temperatures and desorbs oxygen when heated. The primary oxygen supply freezes carbon dioxide and moisture in the recirculated ventilation flow. A wire mesh is adjacent to the primary oxygen supply to contain frozen carbon dioxide and moisture. A first ice chest is downstream of the primary oxygen supply to condition the temperature and humidity of the recirculated ventilation flow. A liquid cooled garment associated with the suit is in thermal communication with the first ice chest.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: January 27, 2004
    Assignee: Honeywell International Inc.
    Inventor: Myron J. Brudnicki
  • Patent number: 6672077
    Abstract: A hydrogen containing nanostructure is provided, where the hydrogen is adsorbed to the nanostructure by physisorption. The nanostructure includes light elements, selected from the second and third rows of the periodic table. The nanostructure is formed as a layered network of light elements coupled with covalent sp2 bonds. The chemical composition of the nanostructure can be such that the desorption temperature of hydrogen is greater than the liquefaction temperature of nitrogen, 77 K. Further, a hydrogen storage system is provided, including a container and a nanostructured storage material within the container, wherein the nanostructured storage material includes light elements, and the nanostructured storage material is capable of adsorbing hydrogen by physisorption. The hydrogen storage system can include a liquid nitrogen based cooling system, capable of cooling the nanostructured storage material below the desorption temperature of hydrogen.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: January 6, 2004
    Assignee: Nanomix, Inc.
    Inventors: Keith Bradley, Philip G. Collins, Jean-Christophe P. Gabriel, Young-Kyun Kwon, Seung-Hoon Jhi, George Grüner
  • Patent number: 6666034
    Abstract: A hydrogen storage and transportation system is composed of hydrogen storage alloy, a storage tank, a control valve unit and a heat exchange system, wherein the hydrogen storage alloy stores hydrogen in a solid state, the storage tank is loaded with hydrogen storage alloy, the control valve unit is a passage to control hydrogen flow, and the heat exchange system regulates the pressure and flow rate for the hydrogen storage alloy to absorb and release hydrogen. The system enables hydrogen storage in low pressure and high density. Thus, the system also facilitates hydrogen transportation with dual performance in both safety and efficiency. The system will establish a foundation for future hydrogen energy industry.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: December 23, 2003
    Assignee: Hsu-Yang Technologies Co., Ltd.
    Inventors: Jin-Chin Guan, Ming-Tarng Yeh
  • Publication number: 20030226365
    Abstract: A hydrogen storage and supply apparatus is described. The apparatus has a container that includes a cold enclosure. A porous material capable of occluding hydrogen pervades the cold enclosure. The porous material contains a plurality of light elements including Be, B, C, N, O, F, Mg, P, S, Li, Na, Al, Si and Cl. The cold enclosure can have a temperature in a range between about 30K and 270K and can withstand pressures up to about 50 bara. The container can have a layered wall structure with at least two walls, and there can be a cavity between the walls, which can provide thermal insulation. A hydrogen-consuming system is described in which the hydrogen storage and supply apparatus is used to provide hydrogen to a hydrogen-fueled device. A hydrogen production and distribution system, which used the hydrogen storage and supply apparatuses is described. Methods of storing, supplying and using hydrogen are also described.
    Type: Application
    Filed: June 10, 2002
    Publication date: December 11, 2003
    Inventors: Keith Bradley, Jeff D. Wyatt, Jean-Christophe P. Gabriel, George Gruner
  • Patent number: 6655156
    Abstract: A vessel for retaining cryogens in the form of a flexible liner for compliably retaining a cryogen and designed for controlled release of vapors generated by the cryogen. The improved flexible liner is biodegradable, with the incorporation of the biodegradable component within the resin being accomplished without adversely affecting the properties of the film at cryogenic temperatures. A preferred biodegradable film consists of a polyester comprising butane 1,4-diol and adipic acid to which a controlled quantity of terephthalic acid has been added.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: December 2, 2003
    Assignee: Cortec Corporation
    Inventors: Boris A. Miksic, Robert A. Boyle
  • Patent number: 6640580
    Abstract: A method is provided, in which directly generated and/or indirectly formed and storable heat energy is stored in a mobile container-like latent-heat storage unit capable of being warehoused and of being delivered, the latent-heat storage unit being transported by means of a transport unit to at least one heat-energy reception unit and being arranged there in suitable form on or in the heat-energy reception unit. The possibility is thus afforded, for the first time, of transporting and utilizing heat energy over relatively long distances flexibly and on demand, but also extremely profitably.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: November 4, 2003
    Inventor: Roland Strasser
  • Publication number: 20030172659
    Abstract: The present invention relates to methods and systems for densifying liquids, specifically the densification of cryogenic propellants. A preferred system of the present invention subcools and densifies liquid propellants by utilizing a countercurrent gas or liquid flow. The countercurrent flow preferably utilizes a gas having a lower boiling point than the propellants. A packed tower may then be used, at or above atmospheric pressure, to introduce the countercurrent flow to the propellant. This methodology avoids the costs and problems associated with subatmospheric operation. A preferred embodiment is directed toward the densification of liquid oxygen, with a similar embodiment directed toward the simultaneous densification of liquid oxygen and liquid hydrogen. Systems and methods of the present invention may also be used to densify other liquids in similar fashion.
    Type: Application
    Filed: March 11, 2003
    Publication date: September 18, 2003
    Inventor: Charles B. Hood
  • Publication number: 20030167778
    Abstract: A hydrogen containing nanostructure is provided, where the hydrogen is adsorbed to the nanostructure by physisorption. The nanostructure includes light elements, selected from the second and third rows of the periodic table. The nanostructure is formed as a layered network of light elements coupled with covalent sp2 bonds. The chemical composition of the nanostructure can be such that the desorption temperature of hydrogen is greater than the liquefaction temperature of nitrogen, 77 K. Further, a hydrogen storage system is provided, including a container and a nanostructured storage material within the container, wherein the nanostructured storage material includes light elements, and the nanostructured storage material is capable of adsorbing hydrogen by physisorption. The hydrogen storage system can include a liquid nitrogen based cooling system, capable of cooling the nanostructured storage material below the desorption temperature of hydrogen.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 11, 2003
    Applicant: Nanomix, Inc.
    Inventors: Keith Bradley, Philip G. Collins, Jean-Christophe P. Gabriel, Young-Kyun Kwon, Seung-Hoon Jhi, George Gruner
  • Publication number: 20030122543
    Abstract: An apparatus for measuring electromagnetic characteristics includes a sample rod with a sample fixed to a lower part thereof, a helium 3 refrigerator, in which the sample rod is inserted, having a main pipe that forms around the sample rod a space that is cooled by helium 3, a device for supplying helium 3 to the helium 3 refrigerator, an inner tube portion, into which the main pipe is inserted, that supports at an upper part thereof the refrigerator, an outer tube that cools an outer periphery of the inner tube with helium, a liquid helium container that supplies liquid helium to the outer tube, and a device for measuring the electromagnetic characteristics of the sample.
    Type: Application
    Filed: November 19, 2002
    Publication date: July 3, 2003
    Applicant: National Inst. of Advanced Ind. Science and Tech.
    Inventors: Naoki Shirakawa, Shinichi Ikeda
  • Patent number: 6584780
    Abstract: A system stores densely dissolved methane-base gas and supplies gas of a predetermined composition. A container (10) stores methane-base gas dissolved in hydrocarbon solvent and supplies it to means for adjusting composition, through which an object of regulated contents is obtained. Preferably, the means for adjusting composition is means for maintaining the tank in a supercritical state, or piping (48) for extracting substances at a predetermined ratio from the gas phase (12) and liquid phase (16) in the container.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: July 1, 2003
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kouetsu Hibino, Nobutaka Honma, Yukio Terashima, Tamio Shinozawa, Toshiharu Okui, Kiyoto Inomata
  • Publication number: 20030094002
    Abstract: A system stores densely dissolved methane-base gas and supplies gas of a predetermined composition. A container (10) stores methane-base gas dissolved in hydrocarbon solvent and supplies it to means for adjusting composition, through which an object of regulated contents is obtained. Preferably, the means for adjusting composition is means for maintaining the tank in a supercritical state, or piping (48) for extracting substances at a predetermined ratio from the gas phase (12) and liquid phase (16) in the container.
    Type: Application
    Filed: September 17, 2002
    Publication date: May 22, 2003
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kouetsu Hibino, Nobutaka Honma, Yukio Terashima, Tamio Shinozawa, Toshiharu Okui, Kiyoto Inomata
  • Publication number: 20030089117
    Abstract: A method for hydrogen storage includes providing water and hydrogen gas to a containment volume, reducing the temperature of the water and hydrogen gas to form a hydrogen clathrate at a first cryogenic temperature and a first pressure and maintaining the hydrogen clathrate at second cryogenic temperature within a temperature range of up to 250 K to effect hydrogen storage. The low-pressure hydrogen hydrate includes H2O molecules, H2 molecules and a unit cell including polyhedron cages of hydrogen-bonded frameworks of the H2O molecules built around the H2 molecules.
    Type: Application
    Filed: October 24, 2002
    Publication date: May 15, 2003
    Applicant: Carnegie Institute of Washington
    Inventors: Wendy L. Mao, Ho-Kwang Mao
  • Patent number: 6519951
    Abstract: A complete infrastructure system for the generation, storage, transportation, and delivery of hydrogen which makes a hydrogen ecosystem possible. The infrastructure system utilizes high capacity, low cost, light weight thermal hydrogen storage alloy materials having fast kinetics. Also, a novel hydrogen storage bed design which includes a support/heat-transfer component which is made from a highly porous, high thermal conductivity, solid material such as a high thermal conductivity graphitic foam. Finally a material including at least one particle having atomically engineered local chemical and electronic environments, characterized in that the local environments providing bulk nucleation.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: February 18, 2003
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Stanford R. Ovshinsky, Rosa T. Young
  • Patent number: 6512368
    Abstract: A dewar for SQUID is provided. In the dewar for SQUID, an amount of leak gas discharged from absorbent arranged in the upper portion higher than the liquid surface level of liquid helium is small even if the liquid surface level of the liquid helium is lowered.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: January 28, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Hiroyuki Tanaka, Norihide Saho, Hitoshi Sasabuchi
  • Patent number: 6503584
    Abstract: A densification and storage system for fluids is provided by multitudes of closely spaced parallel planes of adsorptive material (88) that is contained within a substantially impervious barrier layer (2). In normal pressure-containing embodiments, reinforcement (4) is wrapped upon the impervious barrier layer (2) to increase the burst strength of the assembly that results. In higher pressure containing embodiments, material (88) provides reinforcement of barrier layer (2).
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: January 7, 2003
    Inventor: Roy E. McAlister
  • Patent number: 6481217
    Abstract: The gas storage method comprises a step of keeping a gas to be stored and an adsorbent in a vessel at a low temperature below the liquefaction temperature of the gas to be stored so that the gas to be stored is adsorbed onto the adsorbent in a liquefied state, a step of introducing into the vessel kept at the low temperature a gaseous or liquid medium with a freezing temperature that is higher than the above-mentioned liquefaction temperature of the gas to be stored, for freezing of the medium, so that the gas to be stored which has been adsorbed onto the adsorbent in a liquefied state is encapsulated by the medium which has been frozen, and a step of keeping the vessel at a temperature higher than the liquefaction temperature and below the freezing temperature.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: November 19, 2002
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Toshihiro Okazaki, Takuya Kondo, Masahiko Sugiyama
  • Patent number: 6449961
    Abstract: A system achieving a high density of transported natural gas by compressing it to high pressures typically above 5 MPa to transport the gas in a modified composition that permits a very low compressibility factor at near ambient temperature either above or below. This reduces greatly the size of the cooling systems that are required. In some cases cooling of the compressed gas may be achieved in a simple heat exchanger cooled by air or water. The transport of the gas takes place in self propelled ships or non-self propelled barges fitted with a cargo containment system capable of storing the cargo at high pressures, typically above 5 MPa and usually not above 25 MPa. The transport vessel may carry a store of higher molecular weight gases (c2 through c7) that when mixed with the incoming cargo results in a molecular weight of the mixture of at least 22 and possibly as high as 28 or higher.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: September 17, 2002
    Inventor: Jens Korsgaard
  • Publication number: 20020108382
    Abstract: The gas storage method comprises a step of keeping a gas to be stored and an adsorbent in a vessel at a low temperature below the liquefaction temperature of the gas to be stored so that the gas to be stored is adsorbed onto the adsorbent in a liquefied state, a step of introducing into the vessel kept at the low temperature a gaseous or liquid medium with a freezing temperature that is higher than the above-mentioned liquefaction temperature of the gas to be stored, for freezing of the medium, so that the gas to be stored which has been adsorbed onto the adsorbent in a liquefied state is encapsulated by the medium which has been frozen, and a step of keeping the vessel at a temperature higher than the liquefaction temperature and below the freezing temperature.
    Type: Application
    Filed: April 19, 2002
    Publication date: August 15, 2002
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshihiro Okazaki, Naoki Nakamura, Takuya Kondo, Masahiko Sugiyama
  • Publication number: 20020083718
    Abstract: A specimen chamber for storing materials in a dewar vessel that uses liquid cryogen is made of an open-celled porous thermoplastic material that is cryogenically compatible, such as an aerated polypropylene foam. The specimen chamber allows liquid cryogen to pass through it into a plastic foam and allows liquid cryogen in a vapor phase liquid state to pass from the plastic foam into it. The thermoplastic material of the specimen chamber acts as a filter to prevent particles or fragments of plastic foam from entering into the specimen chamber and also acts as a wicking device for rapid transfer of the liquid cryogen to the plastic foam.
    Type: Application
    Filed: December 29, 2000
    Publication date: July 4, 2002
    Inventor: Gregg Emmel
  • Publication number: 20020083717
    Abstract: A containment system for samples of dangerous goods stored at cryogenic temperatures includes a bag made of a cryogenically compatible polymer film and a porous structural cartridge made of a polypropylene polymer compound for holding a plurality of sample receptacles separate from one another to comply with the standards of UN Class 6.2 certification. The porous structural cartridge has a cartridge base with a plurality of sample receptacle apertures for holding the plurality of sample receptacles. A cartridge cover mates with the cartridge base to enclose the plurality of sample receptacle apertures. Additional cartridge bases can be included as part of the porous structural cartridge. Each cartridge has sufficient absorbing capacity to absorb the entire contents of all of the sample receptacles held within its sample receptacle apertures.
    Type: Application
    Filed: December 29, 2000
    Publication date: July 4, 2002
    Inventors: Patrick L. Mullens, Gregg Emmel, Kevin Glesy, Christy Thomas
  • Patent number: 6343476
    Abstract: A gas storage and dispensing system comprising a vessel for holding a gas at a desired pressure. The vessel has a gas pressure regulator in its interior volume, to maintain pressure of dispensed gas at a desired pressure determined by the set point of the regulator. A second gas pressure regulator may be joined in series gas flow communication with the first gas pressure regulator, with the second gas pressure regulator being in initial contact with gas that is dispensed prior to its flow through the first gas pressure regulator, and with the set point pressure of the second gas pressure regulator being at least twice the set point pressure of the first gas pressure regulator.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: February 5, 2002
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Luping Wang, Glenn M. Tom
  • Publication number: 20010037647
    Abstract: A method of storing a gas comprises absorbing a gas into or onto an absorbent medium, in one example by cryosorbing the gas. The cryosorbed gas is then encapsulated.
    Type: Application
    Filed: March 26, 2001
    Publication date: November 8, 2001
    Inventor: Roy Clampitt
  • Patent number: 6205793
    Abstract: A method and apparatus for economically storing and transporting coal mine methane gas is presented. The apparatus utilizes converted propane tankers. Standard propane tankers are filled with activated carbon or commercial carbons with a high volumetric methane adsorption capacity. The methane gas is compressed by a smaller compressor at the well and loaded into the converted tanker. At least three converted tankers are utilized in this method, one being loaded at the well, one discharging its methane gas at the end-user, and one being transported in between the well and the end-user. The truck used to transport the converted tankers has a bi-fuel system adding to the economy of the method and apparatus. Utilizing this apparatus and method of storage and transportation will reduce greenhouse emissions from the mine and from the power plants, and will provide the owner and operator with numerous tax credits and clean air incentives.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: March 27, 2001
    Inventor: Christopher E. Schimp
  • Patent number: 6176088
    Abstract: A porous material inserted into a fluid-containing vessel reduces turbulence, heat transfer, and mass transfer in the fluid. The material may be used in a cryostat to reduce turbulence in a boiling cryogenic fluid. The cryostat may be used in an energy dispersive x-ray analysis unit to cool an x-ray detector.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: January 23, 2001
    Assignee: EDAX, Inc.
    Inventor: Branimir Vidinsky
  • Patent number: 6170269
    Abstract: The present invention is a system and method for freeze granulation of a medium such as a biopharmeceutical product. The medium is put into a chamber and mixed using a pair of counter rotating agitators. The agitators have angled blades or paddles on them in order to induce motion in the medium parallel to the axis of the agitator shafts. A set of liquid nitrogen and liquid carbon dioxide nozzles are attached to the chamber. The liquid nitrogen nozzles spray a mist of liquid nitrogen into the medium. The liquid carbon dioxide nozzles spray carbon dioxide snow into the chamber. The liquid nitrogen and the carbon dioxide can be sprayed into the chamber at the same time or alternately.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: January 9, 2001
    Assignee: Integrated Biosystems, Inc.
    Inventor: Richard Wisniewski