Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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 |
| 8147747 | Swirling column nozzle, swirling column smelting equipment using the same, and swirling column smelting method A swirling column nozzle comprises a nozzle body with an air chamber defined therein; an outlet portion, a feed pipe penetrating through the air chamber and extending to the outlet portion, an oxygen supplying portion disposed on the nozzle body, the outlet portion ... | 04/03/2012 |
| 7384594 | Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device In the metallurgical treatment of metals, metal melts and/or slags in a metallurgical unit or melting vessel, especially in electric arc furnaces, injection devices (1) are used for blowing in or up oxygen-rich gases (6) and/or carbonaceous substances,... | 06/10/2008 |
| 6604937 | Coherent jet system with single ring flame envelope A coherent jet lance and operating method wherein the need for a lance extension is eliminated using a single ring of ports to deliver flame envelope gases around the primary gas jets to maintain the gas jets coherent.... | 08/12/2003 |
| 6450799 | Coherent jet system using liquid fuel flame shroud A method and apparatus for establishing one or more coherent jets from a lance wherein liquid fuel is provided into a recession on the lance face along with motive gas, and is used to generate a flame shroud to maintain jet coherency.... | 09/17/2002 |
| 6322610 | Integrated device to inject oxygen, technological gases and solid material in powder form and method to use the integrated device for the metallurgical processing of baths of molten metal Device and relative method to inject technological gases and solid material in powder form, in a furnace used in steel and metallurgical melting processes, comprising an emission element including an outlet mouth arranged at a certain distance from the li... | 11/27/2001 |
| 6261338 | Gas and powder delivery system and method of use An arrangement wherein a coherent jet is established proximate to a powder injection system and the coherent jet not only provides for gas delivery but also serves to improve the efficiency of the delivery of powder from the powder injection system.... | 07/17/2001 |
| 6245285 | Top injection lance A lance (5) for injecting a feed material, preferably a solid feed material, into a metallurgical vessel, is disclosed. The lance comprises: an inlet (21) for introducing the feed material into the lance; an outlet (23) at a forward end of the lance (5) f... | 06/12/2001 |
| 5746804 | Apparatus for melting fine particles containing carbon and method for melting such fine particles using the apparatus An apparatus for and a method of melting fine particles containing carbon, capable of uniformly burning and melting the fine particles throughout the entire zone of the combustion flame. The apparatus includes a triple tube structure including an inner ox... | 05/05/1998 |
| 5465942 | Tuyere arrangement for the introduction of agents into a molten bath and method of operating such a tuyere arrangement To increase the service life of a tuyere arrangement for the introduction of agents into a molten bath, comprising an apertured block (3) refractory material which can be fitted into the wall (1) of a vessel (12) and which includes a cylindrical body (4) ... | 11/14/1995 |
| 5458320 | Accretion controlling tuyere A tuyere for refining molten metals or melting metal scrap or oxides charged into a vessel. The tuyere comprises three concentric pipes of copper or stainless steel encased in refractory. An annular stream of natural gas surrounds an annular stream of oxy... | 10/17/1995 |
| 5451034 | Device for the injection of pulverized coal into a blast furnace crucible A method and device is provided for the combined injection of pulverized coal and a gaseous oxidant into a crucible of a shaft furnace, especially a blast furnace, through a hot-air blast tuyere. In the region of the nozzle end of the tuyere in the crucib... | 09/19/1995 |
| 5436210 | Method and apparatus for injection of a liquid waste into a molten bath A method and apparatus are disclosed for injecting liquids into a molten bath. The method includes forming a suitable liquid dispersion of a liquid phase disposed in a gas phase. The liquid phase has a ratio of surface area to volume which is sufficient t... | 07/25/1995 |
| 5413315 | Injection equipment Injection equipment for the supply of gas and/or particulate material in the form of powder, granules, chips or similar shapes to a liquid, for example a metal melt, includes a rotation body which is designed to be lowered down into the liquid and which i... | 05/09/1995 |
| 5374299 | Pyrometallurgical process for treating a feed material A process of pyrometallurgically treating a feed material such as a sulphide ore or concentrate is provided. The process includes the steps of: (a) producing a liquid body of feed material; (b) creating a first reaction zone and a second reaction zone which is... | 12/20/1994 |
| 5238571 | Arrangement for separating entrained particles from a stream of molten metal A method and a particle absorber for separating off entrained particles from a stream of molten metal are proposed. The particle absorber has a multiplicity of surfaces within the metal stream produced by means of mechanical separation. This separation le... | 08/24/1993 |
| 5177763 | Furnace bottom structure of direct current electric furnace A furnace bottom structure of a direct current electric furnace has at least one furnace bottom electrode and at least one gas injection tuyere provided in the furnace bottom refractory of the direct current electric furnace. Preferably, the furnace botto... | 01/05/1993 |
| 5042964 | Flash smelting furnace A method and corresponding apparatus for improving the control and efficiency of a combustion reaction in a flash smelting furnace, having the steps of mixing a first oxidizing gas having a first oxygen concentration with solid particles consisting of at ... | 08/27/1991 |
| 4898368 | Wear resistant metallurgical tuyere A tuyere having improved wear resistance at the tip, and a refractory walled metallurgical vessel incorporating the tuyere, characterized by an oxide thermal barrier coating on the outer surface of the outermost conduit of the tuyere having a thermal cond... | 02/06/1990 |
| 4887800 | Tuyere of blast furnace A tuyere for a blast furnace comprises water-cooled tuyere; and a burner removably mounted inside the water-cooled tuyere to burning pulverize coal. The burner comprises an inner pipe, an intermediate pipe and an outer pipe which are concentrically arrang... | 12/19/1989 |
| 4711433 | Copper converter A copper converter which includes: a converter body; a plurality of tuyeres disposed to the converter body, each tuyere having an outer end portion; a first concentrate blowing pipe assembly disposed at least one of said tuyeres, the concentrate blowing p... | 12/08/1987 |
| 4708738 | Method for refining very small heats of molten metal A steel refining vessel having a defined relatively long and thin configuration, and a steel refining method, particularly suited for the refining of heats of steel weighing two tons or less while enabling excellent heat retention and gas-metal reactions ... | 11/24/1987 |
| 4574714 | Destruction of toxic chemicals Toxic chemicals such as polychlorinated biphenyls and other organic wastes are destroyed, optionally together with inorganic wastes, by injecting them, together with oxygen, into a molten bath such as is utilized in a steelmaking facility. The bath may be... | 03/11/1986 |
| 4249719 | Tuyere for the injection of reaction gas A tuyere for the injection of both a refining gas such as oxygen into a melting or refining vessel, and a fluid protective medium such as a hydrocarbon gas or a liquid surrounding the injected refining gas, in which there is a solid center in the pipe thr... | 02/10/1981 |
| 4157817 | Converter A device comprises tuyeres at the bottom of the converter and a cylindrical manifold for fluids and powdered products disposed in the center part of and under the bottom of the converter. Connecting pipes between the manifold and the tuyeres are disposed ... | 06/12/1979 |
| 4097028 | Method of melting and apparatus therefor A charge is admitted into a shaft furnace so as to form a charge column therein. The lower end of the column is melted with a flame and the charge moves downwardly by gravity as melting proceeds. The flame is generated by admitting one or more streams of ... | 06/27/1978 |
| 4093190 | Process for the protection of a refractory wall in service In a process for treating a bath of molten metal in a refractory-lined metallurgical furnace by introducing oxygen into the bath, an improved method for protecting selected portions of the refractory lining against wear. Liquid hydrocarbons are controllab... | 06/06/1978 |
| 4062530 | Oxygen-lime distributor for steelmaking vessel Excessive wear is eliminated in a distributor utilized in a bottom-blown oxygen steelmaking converter for distributing oxygen and entrained lime to the converter tuyeres by the provision of a spiral ramp that extends between the inlet and outlet regions o... | 12/13/1977 |
| 4047707 | Process and converter for refining liquid metals An improvement in the refining of molten metals in a converter by means of oxygen introduced into the metal through tuyeres which include two concentric pipes, oxygen being passed into the melt through the central pipe and a protective fluid being passed ... | 09/13/1977 |
| 4045007 | Blast pipe for metallurgical converters A blast pipe is formed of a plurality of concentric tubes, the cross-sections of which are designed for the fluid flows required for the refining of a metal bath, which are used initially as a burner. A second tube adjacent an outermost tube, projects bey... | 08/30/1977 |
| 4040612 | Blast pipe assembly for the bottom plate of a converter or furnace for refining metals A blast pipe assembly for mounting on attachment to and dismounting from the bottom plate means of a converter or furnace for refining metals, the plate means including a hollow cylindrical part for surrounding the blast pipe and having at its lower end p... | 08/09/1977 |
| 4036481 | Steel converter vessel tuyere block construction A tuyere assembly for use in metallurgical vessels includes a tubular metallic tuyere housing which is cast in a block of refractory material. When the tuyere block is installed in a metallurgical vessel, a tuyere is inserted within the tubular tuyere hou... | 07/19/1977 |
| 4023676 | Lance structure and method for oxygen refining of molten metal A lance structure for oxygen refining of molten ferrous metal comprising three concentric metallic tubes extending through a side wall of a reaction vessel and terminating in a common discharge plane beneath the molten metal surface adjacent the side wall... | 05/17/1977 |
| 4023781 | Tuyere for metallurgical vessels This invention relates to a process for refining metals in a refining vessel, by means of a tuyere embedded in the bottom or sidewall of the vessel and through which a refining gas is blown into the vessel. The tuyere is composed of at least three concent... | 05/17/1977 |
| 4022447 | Supersonic nozzle for submerged tuyere oxygen steelmaking process A tuyere assembly is provided which is especially useful in pneumatic steelmaking processes employing submerged blowing. This improved tuyere provides oxidizing or other gases at supersonic velocities while concomitantly employing pressures only slightly ... | 05/10/1977 |
| 4022445 | Converter bottom structure A refractory bottom lining has extending therethrough at least one inclined decarburization or refining nozzle or tuyere. Surrounding the nozzle is an outer perforate brick having a hole therethrough. An inner brick fits within the hole of the outer brick... | 05/10/1977 |
| 3997334 | Introduction of a liquid into a receptacle such as a converter A liquid fuel or other liquid is supplied to a supply line which communicates with an injection conduit opening out into a receptacle such as a steelmaking converter. The supply line includes a non-return valve which allows the liquid to pass only when it... | 12/14/1976 |
| 3938790 | Method and converter for refining pig-iron into steel Pig-iron is refined into steel by blowing oxygen and a protective screen of an encasing gas through injecting means located at or near the bottom of a converter containing a melt of molten metal. The encasing gas while protecting the injecting means, allo... | 02/17/1976 |
