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| Number | Title | Issue Date |
| 7389951 | Misting device A misting spray nozzle includes a hollow body having an interior wall descending from an upper end to a lower end. The interior wall tapers toward the lower end to form a choke. A channel section provides two fluid paths descending from an upper central aperture. A ... | 06/24/2008 |
| 7370815 | Cone nozzle The invention relates to a cone nozzle with a nozzle body having a swirl chamber (18), an inlet hole (22) arranged in a side wall of the swirl chamber (18) and an outlet hole (20) arranged in a first end wall of the swirl chamber (18 | 05/13/2008 |
| 7311271 | Spray gun having mechanism for internally swirling and breaking up a fluid The present technique provides a system and method for improving atomization in a spray coating device by internally mixing and breaking up a desired coating fluid prior to atomization. In one embodiment, a flow barrier is disposed in the spray coating device downst... | 12/25/2007 |
| 7300002 | Dosing device A dosing device for liquid fuels, in particular for input into a chemical reformer in order to recover hydrogen or into a post-combustion device in order to generate heat, includes at least one metering device for metering fuel into a metering conduit and a nozzle b... | 11/27/2007 |
| 7293722 | Method and apparatus for generation of low impact sprays In many applications where it is desired to distribute a liquid onto a surface at a very small angle of incidence, it will be necessary to reduce the momentum of the droplets to prevent ricochet off the surface. Obvious methods such as using a restrictor, reducing t... | 11/13/2007 |
| 7287744 | Fuel conditioning apparatus A fuel conditioning system (10) comprises a housing (12) defining a chamber (14) and provided with an inlet (16) upstream of the chamber (14) and an outlet (18) downstream of the chamber (14). A hemispherical seat ( | 10/30/2007 |
| 7273187 | Nozzle for air-assisted atomization of a liquid fuel A nozzle (100) for air-assisted atomizing of a liquid fuel comprises a fuel feed passage (110) and an air feed passage (114) and a swirling chamber (118) from which fuel and air may be passed to an exit orifice (126) for emerging a... | 09/25/2007 |
| 7267477 | Fluid blending utilizing either or both passive and active mixing Fluid blenders and blending methods are provided, the blending apparatus including components accommodating both passive and/or active mixing. The apparatus includes a main body and closure connectable to define a chamber having a fluid outlet. A valved fluid inlet ... | 09/11/2007 |
| 7267809 | Burner and method for the chemical reaction of two gas streams The invention relates to a burner with a burner head (1) and a gas feed pipe (2) that is located in the burner head (1) and that is surrounded by an ring channel (3) for feed of another gas. In the gas feed pipe (2) and in the ring... | 09/11/2007 |
| 7182279 | Atomizer for atomizing molten metal An atomizer includes a T-shaped chamber with tapered insides and an outlet which is in communication with the chamber. A first path is located in a center area in the chamber so as to introduce molten metal therein and two second paths are introduced into the chambe... | 02/27/2007 |
| 7124963 | Low pressure fuel injector nozzle A nozzle for a low pressure fuel injector that improves the control and size of the spray angle, as well as enhances the atomization of the fuel delivered to a cylinder of an engine. ... | 10/24/2006 |
| 7117678 | Fuel injector head A gas turbine fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure... | 10/10/2006 |
| 7104069 | Apparatus and method for improving combustion stability A fuel nozzle for use in a gas turbine combustor is provided having the capability of injecting multiple fuel types as well as steam for NOx reduction. Combustion dynamics within a combustor due to the mal-distribution of steam are controlled by the placement of a m... | 09/12/2006 |
| 7083122 | Integrated fluid injection air mixing system An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and the spray orifice is etched through a second side to the center of t... | 08/01/2006 |
| 7043922 | Method of forming a fuel feed passage in the feed arm of a fuel injector A method is disclosed for forming a fuel feed passage in the feed arm of a fuel injector. The method includes the steps of providing a fuel feed passage in the feed arm of a fuel injector, whereby the fuel feed passage has an initial cross-sectional flow area that c... | 05/16/2006 |
| 6986473 | Atomizer device and method for the production of a liquid-gas mixture In an atomizer device for the production of a liquid-gas mixture (4), the mixture (4) is introduced, particularly for compression, into a nozzle arrangement (3) in which the kinetic energy of the mixture (4) is in large part converted int... | 01/17/2006 |
| 6969012 | Low pressure atomizer for difficult to disperse solutions An atomizer for difficult to disperse solutions such as sizing and paper coatings comprising three nozzles defining three channels respectively two of the nozzles comprising fluid-emitting nozzles and the third nozzle comprising a treatment-emitting nozzle. Alternat... | 11/29/2005 |
| 6959551 | Aeromechanical injection system with a primary anti-return swirler An injection system for a turbomachine combustion chamber, the system comprising a fuel injection nozzle for vaporizing fuel in the combustion chamber and a mixer/deflector assembly coaxial with the injection nozzle and serving to mix fuel and oxidizer and to diffus... | 11/01/2005 |
| 6951310 | Spray head and air atomizing assembly A spray head and air atomizing assembly for providing atomizing air in an air sprayer or other delivery device in which the atomizing assembly includes converging, spiral atomizing fluid passageways. ... | 10/04/2005 |
| 6920690 | Method of manufacturing a fuel injector seat A fuel injector seat for a fuel injector assembly, and more particularly for a high-pressure fuel injector assembly, having a number of features for minimizing the formation of combustion chamber deposits on the seat, providing a selected finish on a needle-sealing ... | 07/26/2005 |
| 6715292 | Coke resistant fuel injector for a low emissions combustor A fuel injector 20 for a combustor can 18 includes a pressure atomizing core nozzle and an airblast secondary injector. The airblast portion of the injector includes inner and outer air passages 98, 138 for injecting coannular, coswirling stream... | 04/06/2004 |
| 6662565 | Fuel injectors A duplex fuel injector has concentric arrangement of an inner air swirler, an inner fuel injection port, an intermediate axial air filmer, a second air swirler, an outer fuel injection port and an outer air swirler. The intermediate air filmer produces a ... | 12/16/2003 |
| 6550696 | Integrated fuel injection and mixing system with impingement cooling face An atomizing injector includes a metering set having a swirl chamber, a spray orifice and one or more feed slots etched in a thin plate. The swirl chamber is etched in a first side of the plate and the spray orifice is etched through a second side to the ... | 04/22/2003 |
| 6547163 | Hybrid atomizing fuel nozzle A hybrid atomizing fuel nozzle includes a stem with primary and secondary fuel circuits. A nozzle assembly fixed at the downstream end of the stem includes primary and secondary nozzle portions. A shroud and swirler assembly surrounds the nozzle assembly,... | 04/15/2003 |
| 6524098 | Burner assembly with swirler formed from concentric components A burner assemblage includes an elongated, round burner assembly having a central axis and including internal baffle structure. The baffle structure is arranged to cause concentric primary and secondary air flows to move in a direction generally parallel ... | 02/25/2003 |
| 6502400 | Combustor dome assembly and method of assembling the same A combustor dome assembly includes a spectacle plate having an opening formed therein that defines an inner circumferential edge, at least one swirler assembly defining an inner cylindrical surface, and at least one deflector having an outer cylindrical s... | 01/07/2003 |
| 6474569 | Fuel injector A fuel injector including a combustion air flow conduit, a fuel inlet and, swirlers to mix the air and fuel flowing therethrough, additionally comprising fluidic control diverters including at least one control port, such that flow of control air through ... | 11/05/2002 |
| 6431467 | Low firing rate oxy-fuel burner A low firing rate oxy-fuel burner which may be comprised of commercially available standard components and which includes an oxidant conduit and a fuel conduit within the oxidant conduit. The fuel conduit has a fuel nozzle at the forward end thereof with ... | 08/13/2002 |
| 6349886 | Injector nozzle and method A coinjection nozzle communicating with a mold cavity to form a multilayered article and an injection molding method are provided. The nozzle includes at least two flow channels communicating with an outlet, with each flow channel including at least one s... | 02/26/2002 |
| 6311496 | Gas turbine fuel/air mixing arrangement with outer and inner radial inflow swirlers A fuel/air mixing arrangement for a combustion apparatus such as a gas turbine comprises a first swirler in which air and fuel are mixed to form a fuel/air mixture, a first conduit to supply a first proportion of the mixture to the combustion apparatus, a... | 11/06/2001 |
| 6272840 | Piloted airblast lean direct fuel injector A gas turbine fuel injection system of the lean direct injector type designed to reduce nitrous oxide (NOx) emissions is provided. The configuration includes a pilot fuel injector for injecting a pilot fuel stream, and a pilot swirler for providing a swir... | 08/14/2001 |
| 6148536 | Two-fluid nozzle and device employing the same nozzle for freezing and drying liquid containing biological substances A two-fluid nozzle for atomizing a liquid by mixing the liquid and a gas at high speed, wherein desired particle size is obtained at a low pressure, and a device employing the same nozzle for freezing and drying a liquid containing a biological substance ... | 11/21/2000 |
| 6045058 | Pressure atomizer nozzle The invention relates to a two-stage pressure atomizer nozzle with a nozzle body (30) having a mixing chamber (39) which is connected to an outside space via a nozzle outlet bore (33), and with a first feed duct (42) with a feed bore (41) for a liquid (37... | 04/04/2000 |
| 6029910 | Low firing rate oxy-fuel burner A low firing rate oxy-fuel burner which may be comprised of commercially available standard components and which includes an oxidant conduit and a fuel conduit within the oxidant conduit. The fuel conduit has a fuel nozzle at the forward end thereof with ... | 02/29/2000 |
| 5934555 | Pressure atomizer nozzle A pressure atomizer nozzle comprises a nozzle body (30) in which is formed a turbulence and/or swirl chamber (39) and having a nozzle bore (33). At least one first feed channel (41, 41a) for the liquid (37) to be atomized connects to the chamber as a firs... | 08/10/1999 |
| 5908160 | Centerbody for a two stream tangential entry nozzle A centerbody for a tangential entry fuel nozzle includes a base having at least one air supply port extending therethrough, a radially outer surface including a frustum portion and a cylindrical portion, an internal passageway which communicates with an i... | 06/01/1999 |
| 5823764 | Three-stage low NOx burner for burning solid, liquid and gaseous fuels A low NOx burner comprising ducts for the primary (6), secondary (7) and tertiary air (14), arranged coaxially around its longitudinal axis, for supplying of the primary, secondary and tertiary air, respectively, to a combustion chamber (3), means for acc... | 10/20/1998 |
| 5807094 | Air premixed natural gas burner An air premixed natural gas burner having reduced thermal and prompt NOx emissions employs a central, cylindrical core chamber and an outer annular chamber separated by a hollow barrel having a plurality of gas spuds at a front end of the burne... | 09/15/1998 |
| 5735466 | Two stream tangential entry nozzle A tangential air entry fuel nozzle has a combustor inlet port to permit air and fuel to exit into a combustor. The port includes a convergent surface, a divergent surface, and a cylindrical surface extending therebetween. The convergent surface extends a ... | 04/07/1998 |
| 5622046 | Multiple impinging stream vortex injector Current state-of-the art injection methodologies for bipropellant engines ly on either impingement or turbulence to mix the fuel and oxidizer streams. The multiple impinging stream vortex injector combines both mixing schemes into a single injector. Both ... | 04/22/1997 |
