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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 |
| 7316564 | Method and installation for regulating the quantity of circulating solids in a circulating fluidized bed reactor system A method for regulating the quantity of circulating solids in a circulating fluidized bed reactor system, whereby a solid flow/gas flow mixture leaving the fluidized bed reactor is fed tangentially into at least one cyclone separator for separation of the solid from... | 01/08/2008 |
| 7293532 | Heavy oil extraction system An efficient high-temperature water vapor generator is used to heat heavy oil located in an underground cavity, thereby reducing the viscosity of the oil and enabling the oil to be pumped to the surface. The vapor generator includes a combustion chamber and a surrou... | 11/13/2007 |
| 7228822 | Vapor generator using pre-heated injected water An efficient high-temperature water vapor generator is used to de-contaminate soil. The vapor generator includes a combustion chamber and a surrounding structure, wherein a cavity is located therebetween. Water is routed through the cavity and into the combustion ch... | 06/12/2007 |
| 7127959 | Process for assessing inhibition of petroleum corrosion The present invention is an apparatus for simulating corrosion activity in liquid and vapor/condensate corrosion environments. The apparatus includes a container, including a lower region containing the liquid and an upper region, including a condenser, a heater for... | 10/31/2006 |
| 6408800 | Separator for a water/steam separating apparatus A separator separates water and steam. The separator has a steam-side outlet conduit, a water-side outlet conduit, and a separating chamber between a number of inlet conduits. A swirl breaker is upstream of the water-side outlet conduit. To achieve the lo... | 06/25/2002 |
| 6394043 | Oxygen separation and combustion apparatus and method An oxygen separation and combustion apparatus such as a boiler or a nitrogen generator in which a plurality of fluid passages and oxygen transport membranes are located within a combustion chamber. The oxygen transport membranes separate oxygen from an ox... | 05/28/2002 |
| 6379613 | Autoclave The invention concerns a water steam sterilizer, a so-called autoclave which consists of a steam generator (5), a chamber (13), a condenser (19) and a vacuum pump (20), whereby a pipe (9) connects the steam generator (5) with the chamber (13) and a pipe (... | 04/30/2002 |
| 6371058 | Methods for recycling process wastewater streams This invention provides cost-effective alternatives to reduce the cost associated with customary blowdown from steam generating equipment. By selectively recycling process blowdown streams using secondary vaporizers, the net result is a partial replacemen... | 04/16/2002 |
| 6349677 | Steam boiler piping A steam boiler's condensate return piping is connected to the piping that directly connects the boiler outlet pipe to the boiler's water return connection above the boiler's water level to reduce water level fluctuations in the boiler.... | 02/26/2002 |
| 6336429 | Drumless natural circulation boiler A drumless natural circulation boiler system has a furnace enclosure with wall tubes and upper and lower headers connected to respective upper and lower ends of the wall tubes. At least one tangential steam/water separator is connected to a plurality of r... | 01/08/2002 |
| 6302064 | Steam generator comprising a flow distribution baffle The flow distribution baffle (14) is placed inside the bundle wrapper (7) of the steam generator, at its lower part,-near the steam generator tube plate. Passing through the flow distribution baffle (14) are openings (17, 18) for the passage of tubes of t... | 10/16/2001 |
| 5963708 | Heating system A heating system for baseboard location has a chamber partly filled with liquid and sealed for holding a vacuum. A heater in the chamber heats the liquid into vapor to heat the chamber. First and second heat exchange plates extend annularly and substantia... | 10/05/1999 |
| 5953387 | Separation device for a vent volume in a nuclear reactor A steam/water separating device for a nuclear fuel bundle is located in a vent volume above part-length rods and includes a helical swirl vane. In one form, the swirl device lies below a vent tube and a transition element for flowing liquid laterally outw... | 09/14/1999 |
| 5906178 | Degree of separation of steam impurities in a steam/water separator In a once-through steam generator, a separating bottle (25) is inserted between the evaporator (22) and the superheater (23). To purify the water/steam circuit, a greater quantity of water than is necessary is conveyed through the evaporator (22) via a fe... | 05/25/1999 |
| 5776413 | Chemical mode of operation of a water/steam cycle A multi-pressure waste-heat boiler (7) comprises at least one circulation steam generator, having a low-pressure economizer (15), a low-pressure drum (17) and a low-pressure evaporator (16), and at least one once-through steam generator having a high-pres... | 07/07/1998 |
| 5727505 | Apparatus for separating water and steam An apparatus for separating water and steam in a water-steam mixture includes two collectors being disposed horizontally at different heights and being connected together by a connecting pipe. In addition to the connecting pipe, the first collector situat... | 03/17/1998 |
| 5575244 | Heat recovery boiler with induced circulation The invention relates to a boiler (1) wherein at least one steam generating circuit comprises an ejector (25) capable of providing induced circulation of water in the boiler in normal operating conditions. The corresponding water/steam separation reservoi... | 11/19/1996 |
| 5566647 | Steam generator equipped with a device for trapping migrating bodies A device for trapping migrating bodies in nuclear power station steam generators or boilers is provided to prevent them from jamming between the generator tubes. The device, in the form of a grating or grid, is placed above a horizontal plate to which are... | 10/22/1996 |
| 5526775 | Circulating fluidized bed reactor and method of operating the same A circulating fluidized bed reactor has substantially vertical walls with cooling elements, defining the interior of the reactor chamber, and a device for introducing fluidization gas at the bottom of the fluidized bed reactor. Particulate material is int... | 06/18/1996 |
| 5213065 | Steam generator feedwater distribution system A steam generator comprises a distribution means, positioned between the shell and the wrapper in the annular downcomer region of the steam generator, for uniformly mixing the colder feedwater with the warmer recirculating water in the downcomer region of... | 05/25/1993 |
| 5203286 | Apparatus for heating and degassing water An apparatus for heating and degassing water by means of steam, consisting of two columns (1, 17) with a co-current arrangement and counter-current arrangement of water and steam, and having packing or internals arranged therein, having a water distributo... | 04/20/1993 |
| 5199264 | Steam operated turbine-generator installations In a power generating installation including a steam turbine-generator system, a source of steam under pressure, and a steam conditioning unit, the steam turbine-generator system including a high pressure turbine and at least one low pressure turbine, eac... | 04/06/1993 |
| 5126080 | Rapid absorption steam humidifying system An improved apparatus for introduicng steam into an airstream in a heating, ventilating and air conditioning system includes a supply header, steam dispersing structure and structure for collecting condensation from the steam dispersing structure. The sup... | 06/30/1992 |
| 5061304 | Steam processing apparatus and method A steam processing apparatus and method in which a plurality of separators are disposed along the length of a cylindrical drum having inlet means for receiving a mixture of liquid and vapor and outlet means for discharging the separated liquid and vapor. ... | 10/29/1991 |
| 5042432 | Superheat bundle for a horizontal tube steam separator-superheater A superheat bundle for a horizontal tube steam separator-superheater, in which the tubes are disposed inside a rectangular frame (4) which is not rigidly connected to the structure of the separator-superheater. The frame is provided with resilient blades ... | 08/27/1991 |
| 4977861 | Superheater bundle for a horizontal steam separator-superheater A superheater bundle for a horizontal steam separator-superheater, the bundle comprising an array of parallel tubes disposed in a triangular pitch inside a frame (3, 4) which is polygonal in shape and symmetrical about its plane of symmetry, with the bott... | 12/18/1990 |
| 4905631 | Moisture separator reheater with inlet diffuser for steam distribution The wet steam flow distribution section (20) of the moisture separator reheater (10) includes a multiplicity of side-by-side spaced-apart channel bars (52,54,56) extending transversely to the direction of steam flow from the distribution section to the mo... | 03/06/1990 |
| 4864971 | Condensate separator A condensate separator having a housing formed as a channel profile member with one open side face and including integrally formed mounting portions for fastener elements, the open ends of the channel profile member being closed by respective covers, and ... | 09/12/1989 |
| 4856461 | Multiple tube steam dryer for moisture separator reheater A moisture separator reheater (12) comprising a wet steam region (32) for containing moisture laden water vapor and a dry steam region (36) containing dry water vapor. An entrance tube (74, 118, 152, 174) is fluidly connected to the wet steam region. Swir... | 08/15/1989 |
| 4739728 | Thermal foil for water heaters and the like A hot water heater having a vertical, cylindrical tank with a top wall, means for heating water within the tank, a cold water inlet at the bottom and a hot water outlet at the top includes damping vanes associated with the top wall of the tank for foiling... | 04/26/1988 |
| 4733637 | Pure steam generator A pure steam generator having a feed line for conducting feed water thereinto, a heating steam input for conducting heating steam thereinto, and a heat exchange apparatus therein for providing heat exchange between the heating steam and the feed water. A ... | 03/29/1988 |
| 4730577 | Steam generator for thermal recovery system A system and method for producing steam for use in a thermal recovery process for crude oil. The system is particularly useful in combination with a cogeneration plant that produces high temperature process steam. The system uses a central steam drum-sepa... | 03/15/1988 |
| 4717400 | Combined moisture separator and reheater In a device for separating the moisture contained in the cycling steam discharged out of a steam turbine and reheating the low-temperature steam is disclosed, a central chamber is defined between a pair of moisture separating structures and the bottoms of... | 01/05/1988 |
| 4714055 | Water and steam separating device for drying moist steam The invention concerns a device for separating water and steam for the drying of a moist steam which has a rising current at the inlet of the device. The device comprises at least an assembly (8) comprising drying elements in a zone (12) in which a perfor... | 12/22/1987 |
| 4714054 | Moisture trap for a moisture separator reheater A trough is formed above the moisture separators in a moisture separator reheater for a power plant and drain conduits are connected to the trough to direct moisture collected in the trough to the bottom of the shell where it joins other collected moistur... | 12/22/1987 |
| 4713098 | Tandem curved arm steam-water separator A steam-water separator in which a pair of risers are disposed in tandem within a shell member. The steam-water mixture to be separated is introduced into the lower riser where it is discharged through arcuate arms onto the inner wall of the shell to effe... | 12/15/1987 |
| 4673426 | Moisture pre-separator for a steam turbine exhaust A moisture pre-separator for the exhaust portion of a high pressure steam turbine is disclosed. The pre-separator mounts in the nozzle and adjoining piping of the exhaust portion and provides a first channel for capturing moisture caused by secondary flow... | 06/16/1987 |
| 4671214 | Heat exchanger device for drying and superheating steam A heat exchanger device for drying and then superheating steam, has a cylindrical casing about a horizontal axis. The casing contains: (a) a bottom admission chamber for wet steam; (b) intermediate separator members (7, 8, 9, 10, 21) for removing water from th... | 06/09/1987 |
| 4650503 | Phase distribution tank The phase distribution tank is provided with a partition which separates an inlet chamber from an outlet chamber. The partition has a gas phase passage at the upper end and liquid phase passages at the lower end. The discharge conduit for the liquid phase... | 03/17/1987 |
| 4640233 | Model steam generator An improved model steam generator for simulating the conditions within a nuclear steam generator in order to monitor the condition of the heat exchange tubes and tubesheet of the nuclear steam generator is disclosed herein. The improved model steam genera... | 02/03/1987 |
