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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7337789 | Cleaning apparatus for exhaust system and method The present invention provides for a cleaning apparatus for a vertical exhaust pipe in an exhaust system, the cleaning apparatus comprising a cleaning liquid source, an enclosure receiving a cleaning liquid from the cleaning liquid source, and a fluid communication ... | 03/04/2008 |
| 7334781 | System and method for treating fuel to increase fuel efficiency in internal combustion engines Various embodiments of the present invention are directed to a system and method for increasing fuel efficiency in internal combustion engines by radially accelerating fuel prior to combustion. In one embodiment of the present invention, fuel is input, under pressur... | 02/26/2008 |
| 7044730 | Device for improving gas fuel burning The invention concerns a device for bringing together a gas fuel and an oxidant in proportions providing optimal burning, so as to obtain, in particular for a fuel gas supplied with low pressure level and containing hydrocarbons, a smokeless burning. Said dev... | 05/16/2006 |
| 6997445 | Method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column A method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column (1). The method includes separating the liquid-vapor mixture into two opposite and horizontal flows (6, 7), and directing the flows toward th... | 02/14/2006 |
| 6955342 | Fluidized spray tower A fluidized spray vessel. A vessel design is provided for recovering heat from gaseous heat streams. The vessel utilizes a semi-fluidized bed for obtaining desirable liquid/vapor contact times. A spray section is provided in which liquid is sprayed through nozzles d... | 10/18/2005 |
| 5967137 | High efficiency direct-contact high temperature water heater A gas-fired direct-contact water heater system 10 is described. It consists of a first housing 11, 50, 80 having a packing 16, 51, 81 of heat exchange elements 17 and on which water is sprayed. A burner 18, 52, 83 is disposed on the side of the housing un... | 10/19/1999 |
| 5769067 | Air heater and humidifier using direct contact heating principles and method of operation An air heating and humidifying system and method using direct contact heating principles. The system consists in providing a source of hot water by feeding hot flue gases in a direct contact water heater and wherein the water sprayed over a packing in the... | 06/23/1998 |
| 5648022 | Wet flue gas scrubber having an evenly distributed flue gas inlet A wet flue gas desulfurization scrubbing tower has means therein for evenly distributing the flue gas flowing through the tower for more efficient treatment therein including a ring plenum for evenly exhausting the flue gas around the periphery of the tow... | 07/15/1997 |
| 5620503 | Humidifier and method for humidifying air A humidifier system includes a spray apparatus in a housing which sprays a mist of water droplets onto a mist eliminator to intercept the mist of water droplets. The mist of droplets is captured in a liquid phase by the mist eliminator and is substantiall... | 04/15/1997 |
| 5558818 | Wet flue gas scrubber having an evenly distributed flue gas inlet A wet flue gas desulfurization scrubbing tower has means therein for evenly distributing the flue gas flowing through the tower for more efficient treatment therein including a ring plenum for evenly exhausting the flue gas around the periphery of the tow... | 09/24/1996 |
| 5518696 | Emergency scrubbing system An emergency scrubbing system guides rapidly escaping noxious fluid under pressure along an irregularly shaped non-linear delay path of travel, and admits a treating substance to the fluid to provide a preliminary treatment therefor to help neutralize the... | 05/21/1996 |
| 5429650 | Apparatus for defusing and scrubbing air streams A smoke stack, which discharges contaminated gases, is provided with a plenum chamber, at its end, formed of one or more stacked modules. Each module includes a hollow cylindrical housing, from which protrudes, in various radial directions, a plurality of... | 07/04/1995 |
| 5425902 | Method for humidifying air First and second humidifiers (10,100) and methods for humidifying air are disclosed. The first humidifier (10) comprises a spray apparatus (16) in a housing (12) which sprays a mist of water droplets onto a mist eliminator (20) to intercept the mist of wa... | 06/20/1995 |
| 5376166 | Apparatus and method for defusing and scrubbing air streams A smoke stack, which discharges contaminated gases, is provided with a plenum chamber, at its end, formed of one or more stacked modules. Each module includes a hollow cylindrical housing, from which protrudes, in various radial directions, a plurality of... | 12/27/1994 |
| 5344614 | Reactor for reducing sulfur oxides emissions in a combustion process A reactor for reducing sulfur oxides emissions in a combustion process in which flue gases containing entrained fuel and sorbent particles are humidified so that the sulfur oxides are absorbed on the sorbent particles to reduce the discharge of the sulfur... | 09/06/1994 |
| 5176325 | Air atomizing spray nozzle assembly A spray nozzle assembly particularly adapted for directing a finely atomized slurry of hydrated lime for removing sulfur dioxide from flue gases. The nozzle assembly includes a nozzle body having a first pre-atomizing and mixing chamber into which pressur... | 01/05/1993 |
| 5160707 | Methods of and apparatus for removing odors from process airstreams After aerating sewage sludge in a composting process, a stream of process air is treated to remove odors therefrom by injecting into the airstream an atomized mixture of dilute sulfuric acid and dilute surfactant to remove ammonia and odorous organic comp... | 11/03/1992 |
| 5135723 | Flueless combustion system for trash and waste conversion A flueless combustion system which accepts materials nominally designed as trash and waste, including the solid and gaseous combustion products of the system itself, and converts these materials and combustion products to marketable products. Pyrolytic co... | 08/04/1992 |
| 4936881 | Cooling tower for steam-powered plants A cooling tower has a flue gas outlet extending upwardly above the heat exchanger baffles in which the water from a steam power plant is cooled in counterflow to a rising cooling air stream. The mouth of the duct is formed with a droplet trap supplied wit... | 06/26/1990 |
| 4915712 | Evaporative gas cooling system and method An evaporative gas cooling system in which a hot gas stream is divided into two portions before flowing downwardly through a cooling tower. One portion of the gas stream flows into the center of the cooling tower through water droplets generated by atomiz... | 04/10/1990 |
| 4885011 | Cooling tower for the cooling water that drains/ from the condensor of a steam generator or the condensors/ of a plurality of steam generators The present invention relates to a cooling tower for the cooling water that drains from the condensor of a steam generator or from the condensors of a plurality of steam generators; the tower is fitted with large-area inserts and these form a heat-exchang... | 12/05/1989 |
| 4859219 | Apparatus for precipitating exhausted smoke from a chimney An apparatus for treating the exhausted smoked from a chimney by precipitation has a smoke collecting device placed at the exhaust of the chimney and a vapour injecting nozzle to spray high speed vapour over the smoke from the chimney into the collecting ... | 08/22/1989 |
| 4849057 | Apparatus for the pyrolysis of waste material A plant for the pyrolysis of waste material containing hydrocarbons has a cooling stage. In this cooling stage, the hot pyrolysis gas coming from the pyrolysis reactor is cooled by direct heat exchange with low-boiling pyrolysis oil which is obtained in a... | 07/18/1989 |
| 4834955 | Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems An inhibitor formulation for inhibiting corrosion and deposition of calcium phosphate, calcium carbonate, and silt in a cooling water system and calcium sulphate (gypsum) scaling in a flue gas desulfurization system. The inhibitor formulation comprises po... | 05/30/1989 |
| 4784810 | Smoke gas exhaust by way of a cooling tower The present invention relates to a cooling tower for the cooling water that drains from the condensor of a steam generator or from the condensors of a plurality of steam generators; the tower is fitted with large-area inserts and these form a heat-exchang... | 11/15/1988 |
| 4765280 | Direct-contact type hot water heater A direct-contact type hot water heater includes a perforated plate having a slope allowing water to flow down from its top apex toward its lower surroundings along both or all sides of the slope in the form of a water film. The perforated plate is provide... | 08/23/1988 |
| 4643744 | Apparatus for ionizing air Apparatus for ionizing air, for example for feeding to a boiler to act as a catalyst, comprises a closed container (15) which is divided into two chambers (17, 18). Water is fed under pressure to atomizing jets (21,22) which produce a mist inside each cha... | 02/17/1987 |
| 4594081 | Gas scrubber Gases that are to be scrubbed, particularly flue gases, pass through an inlet line (14) into a processing area (9) wherein the gases are exposed to the effects of a scrubbing agent that is contained in a bath (4). To this end, the liquid is sprayed by mea... | 06/10/1986 |
| 4588535 | Installation for the treatment of combustion gases For the treatment of combustion gases, particularly for domestic use, the gases are sprinkled or sprayed in parallel current or in counter-current with a washing liquid traversing vertical channels or ducts. At the upper end of each vertical duct there ar... | 05/13/1986 |
| 4572083 | Combustion gas cleaning system A combustion gas cleaning system includes a transferring portion, a treating portion, an impurity collecting portion, an exhaust portion and a liquid purifying portion. The transferring portion includes a substantially horizontal first duct member having ... | 02/25/1986 |
| 4529421 | Apparatus for reducing contaminants in gas containing products of combustion Apparatus is provided for reducing contaminants in gases containing products of combustion. The apparatus is particularly advantageous for reducing airborne sulfur in smoke from burning coal. This enables more use of coal, including high sulfur coal, with... | 07/16/1985 |
| 4482524 | Autocirculation apparatus Apparatus for contacting a liquid reaction solution with a gas in separate reaction chambers within a single reaction vessel wherein the liquid reaction solution is continuously circulated between a first reaction chamber and a second reaction chamber wit... | 11/13/1984 |
| 4345916 | Means and method for removing airborne particulates from an aerosol stream Disclosed herein is a method for removing airborne particulates from an aerosol stream by first humidifying said aerosol with steam, and then cooling said aerosol with water to saturation temperature. Thereafter, the saturated aerosol is adiabatically coo... | 08/24/1982 |
| 4334897 | Gas scrubbing apparatus Gas scrubbing apparatus for removing sulfur dioxide from a gas stream with a cleaning liquid capable of absorbing the sulfur dioxide in the gas stream comprising a housing defining scrubbing chamber therein, a plurality of baffles in the scrubbing chamber... | 06/15/1982 |
| 4276063 | Gas scrubbing liquids Fully chlorinated and/or fluorinated hydrocarbons are used as gas scrubbing liquids for preventing noxious gas emissions to the atmosphere.... | 06/30/1981 |
| 4269806 | Scrubber for removal of sulfur dioxide from exhaust gas A method and apparatus for removing sulfur dioxide from an exhaust gas with use of an absorbent containing a salt of an organic acid within a scrubber provided with perforated plates, characterized in that the vapor of organic acid discharged from the top... | 05/26/1981 |
| 4249916 | Absorber tower isolation system An absorber tower maintenance isolation system for isolating an absorber tower while maintaining a steam generation plant in operation. An inlet blank-off plate and outlet blank-off plate cooperate with louver dampers in the inlet and outlet ducts to perm... | 02/10/1981 |
| 4239711 | Absorber tower maintenance isolation system An absorber tower maintenance isolation system for isolating an absorber tower while maintaining a steam generation plant in operation. An inlet blank-off plate and outlet blank-off plate cooperate with louver dampers in the inlet and outlet ducts to perm... | 12/16/1980 |
| 4212654 | Centrifugal wet gas scrubbing method and apparatus A gas scrubbing method and apparatus involving uniformly saturating the gas to be scrubbed with water, i.e., wetting the gas to be scrubbed with water vapor to a relative humidity of substantially 100%, and then centrifugally compressing the wetted gas by... | 07/15/1980 |
| 4192659 | Method for hot gas cooling and gaseous contaminant removal Method and apparatus are disclosed for cooling a process gas stream having a temperature in the range from about 400° F. and 3000° F. and absorbing gaseous contaminants therefrom wherein contact is effected between said process gas stream and respective... | 03/11/1980 |
