...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7303388 | Staged combustion system with ignition-assisted fuel lances Combustion system comprising a furnace having a thermal load and a combustion atmosphere disposed therein; one or more fuel lances adapted to inject fuel into the combustion atmosphere; and one or more igniters associated with the one or more fuel lances and adapted... | 12/04/2007 |
| 7059544 | Vortex generator for dispensing actives A vortex generator creates a waveform within a housing. The waveform evolves into a vortex as it exits an orifice of the housing. The vortex carries a bolus of active substances held within the housing. A different number of actives can be used. To form a waveform, ... | 06/13/2006 |
| 7054130 | Apparatus and method for improving uniformity and charge decay time performance of an air ionizer blower An air ionizer blower includes a voltage source, an air inlet, an air outlet, an air mover, at least one electrode and a straightening vane. The air mover is configured to cause air to flow into the air inlet and out of the air outlet, thereby creating an air flow. ... | 05/30/2006 |
| 6402505 | Combustion device In a combustion unit, a fuel collision member is disposed between a fuel injection valve and a combustion chamber. The fuel collision member is positioned so that, a part of fuel injected from said fuel injection valve is introduced into the combustion ch... | 06/11/2002 |
| 6386863 | Compound burner vane A compound spin vane (CSV) for use in an air passage of a fossil fuel-fired burner. In one embodiment, the CSV is a multi-piece construction of platelike outer and inner vane elements connected to an intermediate platelike rail element. In another embodim... | 05/14/2002 |
| 6199367 | Air modulated carburetor with axially moveable fuel injector tip and swirler assembly responsive to fuel pressure A gas turbine engine carburetor includes a fuel injector and a cooperating air swirler for injecting fuel and air into a combustor. The fuel injector includes a hollow body joined to a supporting stem for receiving fuel therein for flow through an injecto... | 03/13/2001 |
| 6146130 | Compound burner vane A compound spin vane (CSV) for use in an air passage of a fossil fuel-fired burner. In one embodiment, the CSV is a multi-piece construction of platelike outer and inner vane elements connected to an intermediate platelike rail element. In another embodim... | 11/14/2000 |
| 5827054 | Compound burner vane A compound spin vane (CSV) for use in an air passage of a fossil fuel-fired burner. In one embodiment, the CSV is a multi-piece construction of platelike outer and inner vane elements connected to an intermediate platelike rail element. In another embodim... | 10/27/1998 |
| 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 |
| 5315815 | Mechanism for controlling the rate of mixing in combusting flows A mixing device is comprised of a pair of nested flow separator conduits (202, 204) with convolutions (201, 206) on the outlet ends (203, 205) and means of adjusting the relative position of the convolutions on one of the outlet ends relative to the convo... | 05/31/1994 |
| 5257927 | Low NOx burner A low NOx burner combustion system which may be adjusted for optimum burn rates, temperature and oxygen levels. The burner incorporates a plurality of gas nozzles which individually inspirate a portion of the combustion air and a spin vane diff... | 11/02/1993 |
| 5145359 | Burner for thermic generators An improved burner (4) for fuel oil and fuel gas with low NOx production, wherein the combustion air is subdivided in three streams and with flow rate control swirlers in each air streams. The stream of primary air is intercepted by a swirler comprising a... | 09/08/1992 |
| 5092762 | Radial vane swirl generator Improved radial vanes of a swirl generator, which are rotatably radially disposed at the fluid outlet of a bellow, wherein a handle device is used to make the radial vanes rotate within 0-80 range for adjusting the air swirl intensity required by the burn... | 03/03/1992 |
| 4927352 | Boiler furnace air register A dual register for controlling the flow of combustion air to a burner including an outer register formed by a mounting frame having spaced apart support plates interconnected by circumferentially spaced fixed housing members. The frame defines a pluralit... | 05/22/1990 |
| 4734028 | Adapter for converting an oil burner head for burning of pulverized coal An adapter to permit an oil burner head to burn pulverized coal alone or in combination with other fuels features a manifold in the form of a mirrored pair of scrolls forming a part of the burner head. The interiors of the scrolls are divided into separat... | 03/29/1988 |
| 4728284 | Adjustable combustion rate air/fuel proportioned burner assembly The improved adjustable combustion rate air/fuel proportioned burner of the present invention includes an air chamber housing with a plurality of air exit holes therein, a fuel gas tube disposed within the air chamber housing having a wall which is genera... | 03/01/1988 |
| 4674683 | Plasma flame spray gun method and apparatus with adjustable ratio of radial and tangential plasma gas flow A plasma gun has a hollow generally cylindrical anode nozzle member and coaxially disposed therein a cylindrical cathode member, the members co-acting to form an interior passage for plasma forming gas. At one end, within the body of the gun, the passage ... | 06/23/1987 |
| 4668441 | Process and apparatus for intimate contacting of a plurality of physically disparate phases, at least one of which being gaseous A phase contactor is provided with guide means along the path of flow of the vertically descending current of first gaseous phase established therein, but upstream of the zone of restricted flow passage, the guide means being adapted to adjust the flow of... | 05/26/1987 |
| 4600377 | Refractoriless liquid fuel burner A liquid fuel burner head features an axially movable primary air assembly carrying a centrally disposed nozzle spraying fuel radially of the burner head. Primary air ports surround the nozzle and include means for progressively increasing swirl of the pr... | 07/15/1986 |
| 4566880 | Reactor for coal gasification Disclosed is a reactor for gasifying coal including a vortex burner. Helical ribs are arranged in the inner combustion gas supplying conduit of the burner to impart a spiral trajectory to the gas and also the coal-water suspension which suspension is supp... | 01/28/1986 |
| 4559009 | Aggregate dryer burner A swirl-type internal flame recirculation burner as used to fire asphalt plant aggregate dryers, air heaters and calcining kilns and method includes an atomizer assembly for swirling primary air in two concentric streams with the inner stream swirling mor... | 12/17/1985 |
| 4534166 | Flow modifying device A swirler for a gas turbine engine combustor is disclosed for simultaneously controlling combustor flow rate, swirl angle, residence time and fuel-air ratio to provide three regimes of operation. A first regime is provided in which fuel-air ratio is less ... | 08/13/1985 |
| 4500282 | Burner guide vane device The disclosed burner guide vane device includes a housing with an inlet pipe and a cylindrical swirl chamber having equidimensional gas inlet ports symmetrically arranged therein in diametral opposition to each other; pivotable vanes or gates are located ... | 02/19/1985 |
| 4331087 | Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas A method for forming a turbulent suspension from a pulverous material and reaction gas by causing the pulverous material to flow downwards as an annular flow into the reaction chamber and by directing the reaction gas downwards inside the annular flow of ... | 05/25/1982 |
| 4106890 | Air deflector An impeller comprising a pair of axially adjacent plate members. Each of the plate members is formed with a hub and a plurality of laterally spaced segments extending outwardly from the hub. The plate members are coaxially mounted on a burner nozzle guide... | 08/15/1978 |
| 4044553 | Variable geometry swirler A combustor for a gas turbine engine has a prevaporization chamber wall having a plurality of air passages therethrough and wherein a variable geometry air flow control element is located in overlying relationship with the air passages to control air flow... | 08/30/1977 |
| 4043512 | Coal burner A burner for use in a vapor generator having an outlet feeding the combustion zone of the generator with a mixture of fuel and air in a controlled turbulent flow. The housing for the burner has a relatively small diameter so that a relatively small amount... | 08/23/1977 |
| 4030889 | Carbon black reactor with adjustable flame length The flame length in axial direction of a tubular carbon black reactor is made adjustable by providing a means to adjust the pivot angle between the direction of the longitudinal axis and the axis of a fuel gas or fuel oil discharge nozzle of a burner.... | 06/21/1977 |
| 3982392 | Combustion apparatus A combustion apparatus for gas turbine engines employs a combustion liner structure adapted to promote complete combustion of liquid hydrocarbon fuel and minimize undesired combustion products. Compressed primary air flows radially inward with swirl into ... | 09/28/1976 |
| 3946947 | Foam generating apparatus A foam generating nozzle is made either as an attachment to an existing liquid spray nozzle unit or as a pre-manufactured assembly and includes a foam-generating section having a pressure-reducing passageway including a preferably sharply outwardly taperi... | 03/30/1976 |
| 3932110 | Intervane burners An apparatus comprising a number of rotatable vanes, situated around the periphery of an annular duct, which can be opened and closed so as to control the flow of gas entering the duct. The axis of rotation of the vanes is parallel with the axis of the du... | 01/13/1976 |