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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 |
| 8047511 | Humidity control device A humidity control device is for controlling the humidity of air in a target space, and the humidity control device comprises: a processor for controlling the humidity of air in the target space by passing air through a hygroscopic liquid L; a regenerator for regene... | 11/01/2011 |
| 7815173 | Cooler A cooler includes a body, a water tank installed in the body for storing cooling water, a pump fixed in the water tank, a water pipe connected to the pump and extending upward, a spray pipe connected to the water pipe, at least one gas cooling device located above t... | 10/19/2010 |
| 7416579 | Preparing nanosize platinum-titanium alloys Nanometer sized particles containing titanium and platinum are prepared by a sonochemical process. Compounds of the metals are dissolved, suspended, or diluted in a low vapor pressure liquid medium, preferably at a sub-ambient temperature. A reducing gas is bubbled ... | 08/26/2008 |
| 7395676 | Collapsible misting fan apparatus A portable, evaporative cooling apparatus includes a cabinet for storing cooling water, a water pump, a fan, and a spraying system. The fan is mountable on the cabinet lid and is removable from the cabinet lid for storage within the cabinet. The cabinet has wheels t... | 07/08/2008 |
| 7393436 | Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers A thermal separating process for removing a stream containing enriched (meth)acrylic monomers from a mixture containing (meth)acrylic monomers, in which the liquid phases retained in the separating space at high temperature and high (meth)acrylic monomer content are... | 07/01/2008 |
| 7389813 | Systems and methods for controlling local environment The present invention provides systems and methods of controlling local environment. In one embodiment, incoming air enters a contactor such the Direct Contact Cooler-Condenser (DCCC) where the air contacts water distributed on the contact media. After passing throu... | 06/24/2008 |
| 7370490 | Air-conditioning system with full heat recovery The present invention relates to an air-conditioning system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; one side of the condenser is disposed in a position corresponding to an indoor air outlet and an outdoor a... | 05/13/2008 |
| 7364141 | Fluid cooler with evaporative heat exchanger A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removable of debris and/or provide for easy fan adjustment. ... | 04/29/2008 |
| 7275735 | Fan drive for fluid cooler with evaporative heat exchanger A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removal of debris and/or provide for easy fan adjustment. ... | 10/02/2007 |
| 7266970 | Water cooling system with full heat recovery The present invention relates to a water cooling system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; the evaporator connects with a cooling water recycling circuit; one side of the condenser is disposed in a pos... | 09/11/2007 |
| 7232116 | Fluid cooler with evaporative heat exchanger and intermediate distribution A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removable of debris and/or provide for easy fan adjustment. ... | 06/19/2007 |
| 7140195 | Heat transfer apparatus A heat transfer apparatus includes a wetting chamber, an air intake opening leading to an air flow pathway through the wetting chamber, an air outtake opening leading from the air flow pathway through the wetting chamber, an atomizer, a liquid reservoir, and a liqui... | 11/28/2006 |
| 6966364 | Systems and methods for controlling local environment The present invention provides systems and methods of controlling local environment. In one embodiment, incoming air enters a contactor such the Direct Contact Cooler-Condenser (DCCC) where the air contacts water distributed on the contact media. After passing throu... | 11/22/2005 |
| 6884282 | Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S A system and a method for increasing the selectivity of H2S absorption in an aqueous amine treating processes for streams containing high CO2:H2S ratio mixtures in an absorption column by maintaining the temperature in the absorption... | 04/26/2005 |
| 6598862 | Evaporative cooler An evaporative cooler and method of operation is provided in which the cooler includes a liquid distributor, a body having a surface for receiving liquid from the distributor, an air moving device for generating a flow of air over the surface of the body,... | 07/29/2003 |
| 6564864 | Method of operating low profile heat exchange method with reduced water consumption A method of exchanging heat is disclosed. Process fluid is passed through a dry indirect contact heat exchange section while a main air stream is also passed through that section. The process fluid is passed through a second indirect contact heat exchange... | 05/20/2003 |
| 6533255 | Liquid metal-heating apparatus for biological/chemical sample An apparatus for temperature control of biological/chemical samples employing liquid metal is described. A gallium-indium alloy may be used to provide excellent temperature control. Methods of using liquid metal to provide temperature control for biologic... | 03/18/2003 |
| 6279650 | Temperature-Humidity controller for semiconductor equipment and controlling method thereof A temperature-humidity controller for a semiconductor equipment comprises a housing; an inlet pipe for introducing processing air, which has a discharging portion for flowing the air into an inner portion of the housing; a water supplying means for supply... | 08/28/2001 |
| 6213200 | Low profile heat exchange system and method with reduced water consumption A system and method of exchanging heat are disclosed. Three heat exchange sections are used: a dry indirect contact heat exchange section, a second indirect contact heat exchange section that is operable in either a wet or dry mode, and a direct contact h... | 04/10/2001 |
| 5951921 | Apparatus for producing ozone water An apparatus for producing ozone water by accelerated mixing and dissolving of ozone into water due to an enhanced contact efficiency of ozone gas and water with controlled temperature includes a circulation line for circulating ozone water and employs a ... | 09/14/1999 |
| 5877356 | Process for the continuous preparation of aqueous formaldehyde solutions The process uses a supply column and additional heat exchangers associated with absorption columns. Air and methanol from outside and a subcurrent of methanol, originating from a cold methanol current exiting from the supply column, are fed to the supply ... | 03/02/1999 |
| 5749233 | Method and device for cooling and carbonating a liquid In a method and a device for cooling and carbonating a liquid (20), carbon dioxide intended for carbonating is also used for cooling, the carbon dioxide being brought to expand in a room (4; 7) which is separate from the liquid (20) but which is thermally... | 05/12/1998 |
| 5724828 | Combination direct and indirect closed circuit evaporative heat exchanger with blow-through fan A heat exchange apparatus which can be used as an evaporative condenser, fluid cooler or wet-air cooler, is provided with a direct evaporative heat exchange section overlying an indirect evaporative heat exchange section. An air entry zone common to both ... | 03/10/1998 |
| 5404937 | Method of and apparatus for producing power from solar ponds Power is produced by a power plant using a salt-water solar pond comprising an upper wind-mixed layer, a halocline and a lower convective heat storage layer. The power plant includes a heat engine for utilizing heat present in the heat storage layer of th... | 04/11/1995 |
| 5383337 | Method and apparatus for precooling water supplied to an evaporative cooler with a subterranean heat exchanger An apparatus for precoooling water supplied to an evaporative cooler of the type known as a "swamp cooler" includes inlet and outlet reservoirs secured by brackets to a bottom surface of the evaporative cooler water pan at substantially the same elevation... | 01/24/1995 |
| 5270019 | Hypochlorous acid reactor An elongated, generally vertically extending cocurrent reactor vessel for the production of hypochlorous acid by the mixing and reaction of a liquid alkali metal hydroxide and a gaseous halogen is provided wherein an atomizer is mounted near the top of th... | 12/14/1993 |
| 5231851 | Method and device for carbonating and cooling a liquid In a method for simultaneously carbonating and cooling liquid carbon dioxide under high pressure which is introduced under the liquid surface and is allowed to expand and dissolve in the liquid. Carbon dioxide not dissolved in the liquid is re-introduced ... | 08/03/1993 |
| 5218833 | Temperature and humidity control in a closed chamber A process is disclosed for maintaining the temperature and humidity of a closed chamber within preferred ranges when contributions in water vapor and energy additions to the chamber from plants and humans vary over time. Enough water is evaporated into th... | 06/15/1993 |
| 4937051 | Catalytic reactor with liquid recycle A continuous reactor system useful for treating petroleum oil in a multi-phase fixed bed catalytic reactor comprising a system for: feeding the oil and a reactant gas at production flow rates above a first bed of porous solid catalyst particles under conversio... | 06/26/1990 |
| 4799941 | Method and arrangement for condensing flue gases The invention relates to a method for condensing flue gas in combustion plants, and an arrangement of apparatus herefor. In accordance with the invention the flue gas is cooled and humidified by bringing the gas into direct contact with water, whereafter ... | 01/24/1989 |
| 4798060 | Evaporative cooler apparatus An improved portable evaporative cooler utilizes a motor-driven rotatable impeller assembly comprising an evaporator pad mounted on a support as the sole means for driving air to be cooled through the apparatus.... | 01/17/1989 |
| 4769503 | Preparation of 3,4-dichlorobenzotrihalides A process for the preparation of 3,4-dichlorobenzotrihalides of the formula I ##STR1## where X is fluorine or chlorine, by reacting the corresponding 4-monochlorobenzotrihalides with chlorine gas in the presence of a catalytic amount of a Lewis ... | 09/06/1988 |
| 4726353 | High condensing recuperative furnace A forced hot air furnace having a continuously wet recuperative heat exchanger. The recuperative heat exchanger is positioned in the hot air chamber at an upward incline from the firebox to the outside flue. Inclined positioning enables heat exchanger con... | 02/23/1988 |
| 4705654 | Method of humidifying a gas A wetted wall type method of humidifying gas with a liquid which is composed, or mainly composed, of water wherein the liquid flows down a heated vertical wall to form a wetted wall and gas flows along the wetted wall in contact with the liquid on the wet... | 11/10/1987 |
| 4701194 | Gas-treating device In a gas treating device liquid is pressurized in a liquid chamber and is fed from this chamber into ejectors which open directly into venturi fittings which are surrounded by a gas chamber. Gas enters through an inlet into this gas chamber. A gas-liquid ... | 10/20/1987 |
| 4612778 | Precooler for an evaporative cooler An auxiliary cooler shell for installation over and around a conventional evaporative cooler for the enhancement of the cooling effectiveness and efficiency of the existing cooling system, the auxiliary shell incorporating evaporator pads and a water dist... | 09/23/1986 |
| 4538426 | Air cooling system An improved regenerative indirect evaporative and dry surface cooling system for conditioning the air in a structure.... | 09/03/1985 |
| 4528147 | Process for humidifying a gas stream, particularly in methanol and/or ammonia plants A process for humidifying a gas stream in a humidifier chamber by passing heated water downwardly through the humidifier and passing gas upwardly through the chamber to transfer water vapor to the gas stream. One or more portions of the water is removed a... | 07/09/1985 |
| 4509591 | Vacuum producing condenser An air cooled vacuum producing condenser is disclosed for condensing vapors containing non-condensible gases, i.e. air. The condenser includes a condenser chamber with a bundle of condenser tubes across the chamber. Inlet and outlet headers are disposed a... | 04/09/1985 |
| 4497439 | Heat extractor A heat extractor system for a furnace, said furnace including a burner with a chimney that is connected but is normally not in operation. Instead, the furnace is connected to a vent in parallel with the chimney through a draft-inducing arrangement includi... | 02/05/1985 |
