Bizarre Patents
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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7635264 | Attenuating combustion noise of premixed flames Disclosure is made of methods, systems, and apparatus for changing characteristics of noise of premixed flames supported on burners by heating burner passageways by an amount that attenuates combustion noises arising from premixed flames. Alternatively, attenuation ... | 12/22/2009 |
| 7341448 | Gas-fired heating apparatus The gas-fired heating apparatus, especially a water heater, has a combustion chamber (2a); an atmospheric gas burner (5) within the combustion chamber (2a); a combustion gas/air supply system (18) having an intake device ( | 03/11/2008 |
| 7334408 | Combustion chamber for a gas turbine with at least two resonator devices A combustion chamber according to the invention, in particular for a gas turbine, includes at least one combustion chamber wall through which cooling fluid flows and at least one resonator device. The combustion chamber according to the invention is distinguished in... | 02/26/2008 |
| 7322195 | Acoustic dampers An acoustic resonator for use in an engine is provided. The acoustic resonator includes a cavity having a volume, an aperture, and a passage connecting the aperture and the cavity. The aperture has a profiled surface for delaying separation of fluid entering the pas... | 01/29/2008 |
| 7320222 | Burner, method for operating a burner and gas turbine This invention relates to a burner, especially a gas turbine burner, wherein a Helmholtz resonator downstream of a fuel inlet position in directly linked with a burner channel. In this manner, combustion oscillations do not arrive at the fuel inlet position, thereby... | 01/22/2008 |
| 7272931 | Method and apparatus to decrease combustor acoustics A method for operating a gas turbine engine includes coupling an anti-resonant frequency system to a combustor including a premixer assembly and a plurality of damper tubes, and adjusting the anti-resonant frequency system until the anti-resonant frequency of the da... | 09/25/2007 |
| 7252503 | Wind-proof venturi tube A venturi tube has a configuration of baffles affixed thereto that serve to greatly reduce the susceptibility of a gas burning appliance to wind gusts. The baffles cooperate to force incoming primary combustion air through a circuitous route before introduction into... | 08/07/2007 |
| 7252052 | Gas-fired heating apparatus The gas-fired heater, especially a water heater, has an atmospheric gas burner (5) arranged within a nearly or completely closed combustion chamber (2) and associated with a premixing gas/air supply system (8) with a fuel gas feed nozzle (10 | 08/07/2007 |
| 7246493 | Gas turbine The invention relates to a gas turbine comprising a combustor that extends into a combustion chamber. The port of the combustor is surrounded in a ring-shaped manner by a Helmholtz resonator, whereby combustion oscillations are effectively suppressed due to close co... | 07/24/2007 |
| 7241138 | Burner with stepped fuel injection In a burner (1) having an interior space (22) surrounded by at least one shell (8, 9) in which burner (1) fuel is injected through fuel nozzles (6) arranged at the burner shells (8, 9) into a combustion air stream (23... | 07/10/2007 |
| 7232308 | Method and device for affecting thermoacoustic oscillations in combustion systems The present invention relates to a method and a device (1) for affecting thermoacoustic oscillations in a combustion system (6) comprising at least one burner (7) and at least one combustor (8). In order to improve the action of af... | 06/19/2007 |
| 7146280 | Startup and operational techniques for a digital flowmeter Startup and operational techniques for a digital flowmeter are described. The techniques select an optimal mode of operation for the digital flowmeter, depending on a current environment of the flowmeter. For example, during a startup operation of the flowmeter, the... | 12/05/2006 |
| 7100737 | Muffler for noise reduction A muffler assembly, comprising an outer muffler assembly comprising a plurality of fiberglass discs and a plurality of reactive plates, and an inner muffler assembly comprising a plurality of fiberglass discs and a plurality of reactive plates the inner muffler asse... | 09/05/2006 |
| 7100597 | Modular burner/blower system and method A modular burner/blower system and method directed to an independently operable direct fired burner unit and an independently operable blower unit that are also configured to be interconnected to one another and to operate together. The direct fired burner unit incl... | 09/05/2006 |
| 7089746 | Systems and methods for detection of blowout precursors in combustors The present invention comprises systems and methods for detecting flame blowout precursors in combustors. The blowout precursor detection system comprises a combustor, a pressure measuring device, and blowout precursor detection unit. A combustion controller may als... | 08/15/2006 |
| 7086857 | Use of thermal insulation for noise abatement In a residential furnace having a layered insulation material on the inner walls of the heat exchanger compartment, the inner aluminum foil layer has a plurality of holes formed therein in order to allow for the outer layer to absorb the sound within the heat exchan... | 08/08/2006 |
| 7080514 | High frequency dynamics resonator assembly Aspects of the invention relate to resonator assemblies for use in non-uniform flow environments. The resonator assemblies include one or more features, such as a box or a scoop, for substantially equalizing the pressure on the resonator. In the box configuration, a... | 07/25/2006 |
| 7062919 | Vortex fuel nozzle to reduce noise levels and improve mixing A method of reducing engine noise generation by decoupling: acoustic and hydrodynamic fluctuation generated by a compressor and a fuel supply system; from acoustic and hydrodynamic fluctuation of a combustor, by: deflecting fuel jets into a fuel nozzle mixing chambe... | 06/20/2006 |
| 7051530 | Burner apparatus for burning fuel and air The invention relates to a burner apparatus (1) for burning fuel (5) with air (4) to combustion gas, in particular within a combustion turbine, comprising a premixing chamber (3) for premixing fuel (5) and air (4) with. The ... | 05/30/2006 |
| 7013647 | Outer casing covering gas turbine combustor A combustor structure of a gas turbine, in which a sheet-like vibration damper, which resonates with the air vibration in the intake chamber and absorbs the energy of the air vibration, is attached to the inner wall of the casing by an attaching member via a space. | 03/21/2006 |
| 7011179 | Auxiliary heater arrangement with a muffler An arrangement having an auxiliary heater, a catalytic converter (12) for catalytic post-combustion of exhaust gas from the heater, a muffler (14) for damping of the noise caused by the exhaust gas, and an exhaust line for removing exhaust gas from the... | 03/14/2006 |
| 7007480 | Multi-axial pivoting combustor liner in gas turbine engine A multi-axial pivoting liner within the combustion system of a turbine engine allows the system to work with minimum thermal interference, especially during system operation at transient conditions, by allowing the liner to pivot and slide about its centerline and r... | 03/07/2006 |
| 6960075 | Flare stack operating on Coanda principle A flare stack operating on the Coanda principle in which provision is made for cooling of a Coanda body terminating the gas flue by a flow of cooling fluid within the Coanda body. The pressure in the flare stack is held constant by a mechanism disposed outside of th... | 11/01/2005 |
| 6931853 | Gas turbine combustor having staged burners with dissimilar mixing passage geometries A gas turbine combustor (10) having a first grouping (64) of pre-mix burners (12, 12′, 12″) having mixing passages (36) that are geometrically different than the mixing passages (38) of a second grouping (66) of pre-mix ... | 08/23/2005 |
| 6922612 | Combustion vibration estimating apparatus, plant and gas turbine plant The combustion vibration estimating apparatus comprises an inputting unit for inputting limiting values of plant data, weather data and internal pressure variation, an internal pressure variation characteristic grasping unit for making internal pressure variation of... | 07/26/2005 |
| 6920758 | Gas turbine and the combustor thereof The objective is to provide a gas turbine and the combustor thereof in which super high frequency combustion oscillation and the generation of NOx are reduced. The fluctuation in pressure which induces the fluctuation in heat liberation is suppressed in the g... | 07/26/2005 |
| 6808385 | Furnace sound shield A sound shield is positioned between the burner chamber of a furnace and the portion of the furnace immediately in front of the burner chamber which is typically a removable door. The removable door has slotted vents that allow air to be drawn into the burner chambe... | 10/26/2004 |
| 6773257 | Burner for the production of a hot gas In a burner (10) for the production of a hot gas, which burner (10) opens with a burner outlet (22) edged with an outlet edge (16, 17) into a combustion chamber (23), in which a fuel-air mixture flowing out from the burner outlet (... | 08/10/2004 |
| 6705857 | Method for injecting fuel into a burner In a method for injecting fuel into a burner (1), which burner (1) comprises an inner chamber (22) enclosed by at least one shell (8, 9), at which inner chamber fuel is injected through fuel nozzles (6) into a combustion air stream... | 03/16/2004 |
| 6648628 | Gas flow muffling device The invention is a device for muffling the sound of escaping gas from a dispensing pipe for natural gas or any similar gaseous fuel, where the dispensing pipe has one or more first orifices. The device is an insert that may be placed into the dispensing p... | 11/18/2003 |
| 6640544 | Gas turbine combustor, gas turbine, and jet engine For the purpose of reduced NOx gas emission, a gas turbine engine comprises a cylinder having a combustion region inside of the cylinder; a resonator having a cavity and provided around the surface of the cylinder and sound absorption holes formed on the ... | 11/04/2003 |
| 6595002 | Vibration reduction in a combustion chamber A combustion chamber according to the invention has a number b0 of annularly arranged burners, of which a number k of modulatable burners have means for modulating a fuel mass flow, k being k | 07/22/2003 |
| 6568190 | Combustion chamber assembly In a combustion chamber arrangement, especially an annular combustion chamber arrangement for a gas turbine, one or more burners has, at its mouth, a deflecting device by which a combustion chamber arrangement is deflected. This achieves the effect of aco... | 05/27/2003 |
| 6546729 | Damper arrangement for reducing combustion-chamber pulsations The invention relates to a damper arrangement for reducing combustion-chamber pulsations arising inside a gas turbine (1), having a combustion-chamber housing (8) which upstream comprises a front plate (2) with a plurality of individual burners (6) and da... | 04/15/2003 |
| 6530221 | Modular resonators for suppressing combustion instabilities in gas turbine power plants A resonator module for a combustion turbine power plant, where the combustion turbine power plant defines a flow path. The resonator module includes a first member, an a second member. The first member has a size substantially smaller than the diameter of... | 03/11/2003 |
| 6506047 | Fast-fit electronic gas-lighting device An electronic gas-lighting device (1) having a casing (2) made of insulating material and defined by a cup-shaped body (6); electronic high-voltage-pulse generating means (3) housed in an inner cavity (7) of the casing (2) and including noise suppressing ... | 01/14/2003 |
| 6491514 | Furnace burner box assembly with reduced acoustic emissions A burner box assembly for a combustion air furnace includes a back wall, opposed side walls and top and bottom walls defining an interior space for one or more burner nozzles. A combustion air inlet opening is formed in the top wall and is covered by a ge... | 12/10/2002 |
| 6464489 | Method and apparatus for controlling thermoacoustic vibrations in a combustion system In a method of controlling thermoacoustic vibrations in a combustion system having a combustion chamber and a burner, the fluid shear layer forming in the region of the burner is acoustically excited. An apparatus for controlling thermoacoustic vibrations... | 10/15/2002 |
| 6461144 | Method of controlling thermoacoustic vibrations in a combustion system, and combustion system In a method of suppressing or controlling thermoacoustic vibrations which develop in a combustion system having a burner working in a combustion chamber due to the formation of coherent or vortex structures and a periodic heat release associated therewith... | 10/08/2002 |
| 6430930 | Arrangement for reduction of acoustic vibrations in a combustion chamber The invention refers to a combustion chamber device including a combustion chamber (2) and a set of burners (6) with an outlet opening (7) in the combustion chamber. Each burner includes members (10) for the supply of a flow of oxygen-containing gas, memb... | 08/13/2002 |
