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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7381313 | Integrated hydrogen production and processing system and method of operation A method of operating an integrated hydrogen production and processing system is provided. The method includes operating an electrolyzer to produce hydrogen from water and utilizing heat generated from the electrolyzer to increase a temperature of an electrolyte in ... | 06/03/2008 |
| 7288686 | Hydrogenation catalyst and hydrogenation process A supported hydrogenation catalyst comprising (1)Pd or a Group 8 metal comprising Pd and one other Group 8 metal, preferably a Group 8 metal selected from Pt, Ir, Ru, Co or Ni, and (2) at least two metals selected from Ag, Zn or Bi, preferably Ag and at least one of... | 10/30/2007 |
| 7285153 | Method and equipment for feeding two gases into and out of a multi-channel monolithic structure A method with associated equipment for feeding two gases into and out of a multi-channel monolithic structure. The two gases will normally be gases with different chemical and/or physical properties. The first gas and the second gas are fed by means of a manifold he... | 10/23/2007 |
| 7220506 | Hybrid monolithic fuel cell The present disclosure relates to hybrid monolithic fuel cells. In one embodiment, the fuel cells comprise a monolithic substrate composed of a metal material and an electrolyte material, the substrate defining a fuel channel and an oxidant channel that are separate... | 05/22/2007 |
| 7208646 | Selective hydrogenation of butadiene A process for the selective hydrogenation of dienes in mixed streams of olefin containing hydrocarbons, such as butadiene in a mixed C4 stream with minimum loss of monoolefins is disclosed wherein the reactor is operated at conditions which induce pulse f... | 04/24/2007 |
| 7153409 | Electrochemical cell system and method of operation In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one of carbon nanotubes and carbon nanofibers. In one embodiment, the me... | 12/26/2006 |
| 7122072 | Controlled heating and cooling of mixed conducting metal oxide materials Method for processing an article comprising a mixed conducting metal oxide material, which method comprises (a) contacting the article with an oxygen-containing gas and reducing or increasing the temperature of the oxygen-containing gas; (b) when the temperature of ... | 10/17/2006 |
| 7118612 | Oxygen separation method utilizing an oxygen transport membrane reactor A method of separating oxygen from an oxygen containing stream in which compressed and heated oxygen is introduced into cathode side of an oxygen transport membrane reactor. Oxygen is permeated from the cathode side to the anode side. Motive fluid that is introduced... | 10/10/2006 |
| 6913636 | Low power nitrogen enriched air generation system An inerting system provides air with reduced oxygen content by flowing and directing air through an air separation module. Optimal working pressure for the air separation module is obtained with two compressors. A first compressor elevates air from the aircraft cabi... | 07/05/2005 |
| 6905581 | Oxygen permeable electrode system An electrochemical device (18) for generating a desired gas of the type includes an ionically conductive electrolyte layer (20), a porous electrode layer (22), and a current collector layer (16) that has a high electrical conductivity and... | 06/14/2005 |
| 6783885 | Low gravity electrochemical cell An electrochemical cell system includes a hydrogen electrode; an oxygen electrode; a membrane disposed between the hydrogen electrode and the oxygen electrode; and a compartmentalized storage tank. The compartmentalized storage tank has a first fluid storage section... | 08/31/2004 |
| 6709560 | Charge barrier flow-through capacitor Flow-through capacitors are provided with one or more charge barrier layers. Ions trapped in the pore volume of flow-through capacitors cause inefficiencies as these ions are expelled during the charge cycle into the purification path. A charge barrier layer holds t... | 03/23/2004 |
| 6471850 | Low gravity electrochemical cell An electrochemical cell system includes a hydrogen electrode; an oxygen electrode; a membrane disposed between the hydrogen electrode and the oxygen electrode; and a compartmentalized storage tank. The compartmentalized storage tank has a first fluid stor... | 10/29/2002 |
| 6368491 | Method of controlling a modular ceramic oxygen generating system The invention relates generally to ceramic oxygen generating modules, and more particularly, to an apparatus and method for controlling a duty cycle for each of a plurality of ceramic oxygen generating modules in a modular ceramic oxygen generating system... | 04/09/2002 |
| 6264820 | Gas generators A gas generator comprising a layer of first material are provided with a layer of second material on one surface and a layer of third material on the other opposing surface is provided. The application of an external potential results in the flow of gas f... | 07/24/2001 |
| 6264811 | Ion conducting ceramic membrane and surface treatment The present invention provides an ion conducting ceramic membrane selectively permeable to a gas, for instance oxygen and a method of treating such a membrane to improve permeation through the membrane. The membrane is formed by a mass of a substance thro... | 07/24/2001 |
| 6235187 | Oxygen separation method using a mixed conducting cubic perovskite ceramic ion transport membrane A ceramic membrane element for an oxygen separator is formed from a ceramic material represented by the structure: A1-x A'x B1-y B'y O3-z where A is a lanthanide element; A' is a suitable lanthanide element dop... | 05/22/2001 |
| 6207038 | Process for preparing a composite electrolyte based on BIMEVOX and the use of said compound in separating oxygen from a gas mixture A process for preparing a solid composite electrolyte comprising at least one compound of the BIMEVOX family is provided. The process comprises at least one step of preparing a mixture of one or more compounds of the BIMEVOX family with one or more chemic... | 03/27/2001 |
| 6149798 | Method for minimizing the aerial oxidation of photographic developers The invention concerns a method for decreasing the oxygen content of the atmosphere above photographic processing baths. The method comprises using a solid electrolyte which is a compound of bismuth, vanadium or another transition metal. The oxidation in ... | 11/21/2000 |
| 6143162 | Process for separating oxygen from a gaseous mixture containing it and device for practicing this process Process for separating oxygen from a gas mixture containing it employs a solid-electrolyte electrochemical cell, where the cell includes a homogeneous structure of one or more BIMEVOX derivatives, with dynamic electrodes created "in situ" that are reversi... | 11/07/2000 |
| 6106966 | Single-crystal oxygen ion conductor A single-crystal solid oxide material, rather than a polycrystalline ceramic, is used for electrolytic and fuel-cell applications. For the electrolytic production of oxygen from carbon dioxide, a yttria-stabilized zirconia crystal is coated with platinum ... | 08/22/2000 |
| 6090265 | Separation of oxygen from oxygen-containing gas An electrochemical device for separating oxygen from an oxygen-containing gas comprises a plurality of planar ion-conductive solid electrolyte plates and electrically-conductive gas-impermeable interconnects assembled in a multi-cell stack. Electrically-c... | 07/18/2000 |
| 6019885 | Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions An electrochemical process for extracting oxygen from an oxygen-containing gas which uses an electrochemical cell having two zones separated by a multi-component membrane made from intimate, gas-impervious, multi-phase mixture of an electronically conduct... | 02/01/2000 |
| 5985113 | Modular ceramic electrochemical apparatus and method of manufacture therefor A ceramic element is provided which can be injection molded from an electrolyte and a binder. The ceramic element includes a tube support portion and a plurality of tubes extending from the tube support portion. The plurality of tubes are arranged in rows... | 11/16/1999 |
| 5925322 | Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor The present invention relates to a combined cycle system of enhanced efficiency. The system comprises a top stage, such as a fuel cell, a partial oxidation reactor or a heat engine, and an oxygen-enriching device, such as a temperature swing adsorption de... | 07/20/1999 |
| 5910238 | Microspheres for combined oxygen separation, storage and delivery An article for the separation, storage and delivery of substantially pure oxygen, comprises a closed walled, hollow container wherein at least a portion of at least one wall of the container is an oxygen separation material, providing a sole means for tra... | 06/08/1999 |
| 5868918 | Method for separating oxygen from an oxygen-containing gas An electrochemical device for separating oxygen from an oxygen-containing gas comprises a plurality of planar ion-conductive solid electrolyte plates and electrically-conductive gas-impermeable interconnects assembled in a multi-cell stack. Electrically-c... | 02/09/1999 |
| 5855762 | Oxygen generating device A method of controlling an oxygen generation device of the kind including a ceramic membrane through which an electrical current is passed whilst ambient air is supplied to one side of the membrane, the membrane allowing oxygen in the supplied air to diff... | 01/05/1999 |
| 5797997 | Oxygen producing thermophotovoltaic systems A thermophotovoltaic (TPV) system converts thermal or radiant heat into oxygen and electricity for use in a variety of applications. The TPV system and method for efficiently generating-oxygen and electric power through the combustion of fossil fuels with... | 08/25/1998 |
| 5785839 | Composite structure including a solid electroylte and at least one volume electrode A composite structure comprising: (i) a solid electrolyte which is an O2- anion conductor and essentially impermeable to gases; (ii) a cathode; and (iii) an anode, wherein the cathode and anode are porous to gases and wherein the electrolyte is in ... | 07/28/1998 |
| 5693212 | Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions Solid membranes comprising an intimate, gas-impervious, multi-phase mixture of an electronically-conductive material and an oxygen ion-conductive material and/or a mixed metal oxide of a perovskite structure are described. Electrochemical reactor componen... | 12/02/1997 |
| 5595643 | Method for generating negatively charged oxygen atoms and apparatus used therefor Negatively charged oxygen atoms can be generated by the steps of (A) supplying oxygen to a surface of a solid electrolyte, at which the surface is provided an electrode A', while supplying electric current to the electrode A', to thereby form oxygen ions;... | 01/21/1997 |
| 5591315 | Solid-component membranes electrochemical reactor components electrochemical reactors use of membranes reactor components and reactor for oxidation reactions An electrochemical process for producing unsaturated hydrocarbon compounds from unsaturated hydrocarbon compounds and for extracting oxygen from a gas containing N2 O, NO, NO2, SO2, or SO3 is described. The proc... | 01/07/1997 |
| 5582710 | Electrochemical cell and its use for the separation and the electrochemical extraction of oxygen The present invention relates to an electrochemical cell comprising a solid electrolyte conductive for O2- anions in contact with an anode and a cathode of identical or different composition, the electrolyte solid being comprised of a composit... | 12/10/1996 |
| 5573655 | Electrochemical cell and its use in the separation or electrochemical extraction of oxygen The present invention relates to an electrochemical cell comprising a solid electrolyte which conducts O2- anions in contact with an anode and a cathode of identical or different composition, the solid electrolyte being comprised of a compositi... | 11/12/1996 |
| 5441610 | Oxygen supply and removal method and apparatus The present invention relates to apparatus and methods of supplying and removing oxygen. The apparatus includes an oxygen-conducting solid electrolyte. The electrolyte has an oxygen input side and an oxygen output side which are each coated with an electr... | 08/15/1995 |
| 5378345 | Ceramic solid electrolyte-based electrochemical oxygen concentrator cell The invention is a ceramic solid electrolyte based electrochemical oxygen concentrator cell and the method for fabricating said cell. The cell is based on a doped cerium oxide ceramic solid electrolyte and lanthanum strontium cobaltite ceramic electrodes.... | 01/03/1995 |
| 5302258 | Method and apparatus for separating oxygen from a gaseous mixture A solid composition provides high oxygen ion conductivity, and includes a metal oxide combined with multiple dopants. The oxide may, for example, include zirconia, bismuth trioxide, thoria or halfnia. The dopants are chosen such that they are of similar i... | 04/12/1994 |
| 5186793 | Oxygen concentrator utilizing electrochemical cell An oxygen concentration system for producing oxygen from air comprises an electrochemical oxygen generator mounted within an inner housing. The generator has an outer surface and is adapted to extract oxygen from air by means of an electrochemical reactio... | 02/16/1993 |
| 5174866 | Oxygen recovery from turbine exhaust using solid electrolyte membrane A process is provided for extracting high purity oxygen from a gas generator turbine exhaust stream by passing the turbine exhaust over the feed side of solid electrolyte membrane selective to the permeation of oxygen over other components of the exhaust ... | 12/29/1992 |
