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 |
| 7703644 | Slide plate A process for manufacturing a sliding plate for a valve closure on metallurgical melt containers may include forming the sliding plate by: integrating in a pressing procedure with a press, a pre-pressed annular insert made of a refractory ceramic material in a base ... | 04/27/2010 |
| 7546937 | Poured molten metal quantity control device A poured molten metal quantity control device includes a fixed plate brick having at least one pouring port, a collector nozzle brick, a slide plate brick sandwiched therebetween, an outer race mounted so as to be turned on the outer peripheral side of the fixed pla... | 06/16/2009 |
| 7530479 | Device for actuating a sliding closure applied to a vessel containing a molten metal The invention relates to a device for actuating a sliding closure (3) applied to a vessel (1) containing a molten metal, once the vessel (1) has been positioned on a ladle rotating tower. A piston/cylinder unit (10) that can be introduced... | 05/12/2009 |
| 7455201 | Slide gate valve unit for casting machine A pressing means for pressing a slide plate against a fixed plate by uniform pressure has simple, strong construction and can be easily assembled. A slide gate valve unit includes a pair of pressing members 10 having a U-shaped cross section and capable of re... | 11/25/2008 |
| 7383972 | Sliding closing element, with coupling The invention relates to a sliding closing element, especially for an intermediate distributor or similar metallurgical containers. According to the invention, the mobile sliding plate of said closing element can be driven by means of a drive comprising a driving ro... | 06/10/2008 |
| 7322496 | Brick body for rotary nozzle In a rotary nozzle brick body formed into a substantially egg-like shape in it's plan view, the present invention secures a contact area of a nozzle portion and improves a configuration factor which considerably affecting the durability of the body. A rotary nozzle ... | 01/29/2008 |
| 7290685 | Nozzle plate for a sliding nozzle apparatus It is an object to form a plate for a sliding nozzle apparatus in a shape for decreasing extreme erosion and extend durability of the plate to enable cost reduction, the sliding-nozzle plate having dimensions (unit length is mm) as indicated in following equations: ... | 11/06/2007 |
| 7268167 | Process for producing emulsion and microcapsules and apparatus therefor A process and apparatus for rapidly producing an emulsion and microcapsules in a simple manner. A dispersion phase is ejected from a dispersion phase-feeding port toward a continuous phase flowing in a microchannel such that flows of the dispersion phase and the con... | 09/11/2007 |
| 7258256 | Surface pressure load device of slide valve A surface pressure releasing plate and a surface pressure releasing bar are slidable relative to each other smoothly by compressing compression springs uniformly. A surface pressure applying device for a slide valve according to the present invention compresses comp... | 08/21/2007 |
| 7182314 | Apparatus for actuating a valve An apparatus for actuating a valve includes a rotatable control shaft connected to the valve and a gearbox wheel is secured to the control shaft. A worm intermeshes with the gearteeth of the gearbox wheel such that when the worm is rotated, the wheel and the shaft a... | 02/27/2007 |
| 7172013 | Binding structure of refractory sleeve for inner hole of nozzle for continuous casting A bonding structure between a nozzle body of a continuous casting nozzle and a refractory sleeve inserted into the nozzle body, wherein the refractory sleeve contains 20 mass % or more of CaO. An adhesive including a mixture of a refractory aggregate and a binder is... | 02/06/2007 |
| 7171326 | Method for operating a sliding gate, and sliding gate A method is provided for operating a sliding closure for a metallurgical vessel. The sliding closure includes two tensionable fireproof closure plates opposing one another, with each of the two closure plates being slideably positioned within a corresponding housing... | 01/30/2007 |
| 6978980 | Slide valve closure for the casting of a metal melt and a refractory plate unit belonging to it In a slide valve closure for the casting of a metal melt a slider plate and a stationary closure part are braced against each other by means of spring units or by other means. There is provided a casing framework attachable to a mould or the like, in which is fixed ... | 12/27/2005 |
| 6929773 | Slag detector for molten steel transfer operations A method of determining disturbances when discharging molten metal from a metallurgical container having an outlet into a receiving container. In steps of this process, a real time video image of the teeming stream is monitored to detect the presence of a slag phase... | 08/16/2005 |
| 6902121 | Immersion nozzle exchanging apparatus and immersion nozzle and closing fire plate used for same In an immersion nozzle exchanging apparatus for supporting an immersion nozzle at a flange underside thereof by a plurality of key plates parallel provided on both sides to horizontally pushing out and exchange an immersion nozzle much used with a new immersion nozz... | 06/07/2005 |
| 6896162 | Sliding nozzle unit A sliding nozzle unit in which a face pressure load is released by inserting a cotter into a press member provided in an open close metal frame and sliding the cotter on an inclination block provided on the side face of a sliding metal frame thereby flexing a resili... | 05/24/2005 |
| 6814268 | Crack resistant valve plate for a slide gate valve The invention relates to a refractory plate (1) for a slide gate valve, having a pouring hole (3), circumscribed by a circle C of center (4), at least a portion of the edges (15, 16, 17, 18) of the plate (1) are angularly oriented ... | 11/09/2004 |
| 6783038 | Sliding gate for liquid metal flow control A metering gate for liquid metal flow control with reduced clogging with a top plate, having a first flow channel bore with an inlet having an inlet axis and an outlet having an outlet axis. The inlet axis and the outlet axis are offset. A throttle plate slidably mo... | 08/31/2004 |
| 6772922 | One-piece inner nozzle and clamping device for holding such a nozzle The present invention relates to a clamping device including at least two assemblies each composed of a clamp (10) pivoting about a horizontal axis (11) and fitted with a groove (12) receiving a shoe (13) generally cylindrical in shape in... | 08/10/2004 |
| 6681964 | Grooved refractory pouring tube for metallurgical casting, assembly of refractory components, casting installation and process for repairing the surface of a refractory component The object of the present invention is a refractory pouring tube including a contact face (15) capable of bearing against a contact face (11) of another refractory component (9), the said pouring tube being arranged to be displaced. The said pouring tube ... | 01/27/2004 |
| 6672490 | Grooved refractory tube for metallurgical casting, assembly of refractory components and casting installation incorporating such an assembly The present invention relates to a grooved refractory pouring tube for pouring a molten metal between an upper metallurgical vessel and a lower metallurgical vessel, a refractory assembly incorporating such a pouring tube, and a casting installation incor... | 01/06/2004 |
| 6620372 | Method and device for drawing a molten material contained in a crucible A drawing-off device (18) is used to empty a molten material (28) such as glass contained in a cooled crucible (10), in which there is an elongated pour orifice (30), a cooled slide valve (32) and a bar (36) forming a thermal bridge between the molten mat... | 09/16/2003 |
| 6619619 | Clamping device for a refractory-made plate of a sliding gate The object of the present invention is a clamp for clamping device for a refractory plate in a seating of a slide valve in a casting installation, the said clamp having on one hand a thrust zone whereon it can receive a clamping force tending to push the ... | 09/16/2003 |
| 6485673 | Pouring device for metallurgic vessels and a method for controlling the quantity of discharge A pouring device for metallurgic vessels, particularly for steel melts, with slide plates which can be adjusted and slid out again one behind the other in a row under a vessel opening and into which filters can be inserted, and with an immersion pipe proj... | 11/26/2002 |
| 6450376 | Refractory assemblies The invention relates to a set of refractory assemblies, which is capable of being used between an upstream container and a downstream container of a plant for transferring liquid metal, in particular steel, comprising: a tapping spout via which the metal... | 09/17/2002 |
| 6422435 | Slide gate for a container containing molten metal A sliding gate valve (20) for a container containing molten metal has a housing portion (14) securable to the container and a slider unit (30) which is longitudinally movable with respect to the container. Respective refractory valve plates (22, 23) are i... | 07/23/2002 |
| 6415967 | Closure plate and a slide gate on the outlet of container containing molten metal A valve plate for a sliding gate valve has a refractory plate and a metal shell surrounding it. Associated with the plate is a centering device which is preferably constituted by two abutment surfaces, which are arranged at a defined spacing from one anot... | 07/09/2002 |
| 6382477 | Apparatus for controlling amount of teeming molten metal and slide plate used for the same This invention intends to provide a molten metal pouring amount control apparatus in which a sliding resistance of a slide frame is small and a pressing force around a nozzle hole is stabilized so that there is no fear that any trouble such as a molten me... | 05/07/2002 |
| 6276573 | Slide gate A slide gate includes a frame fixed to a bottom of a molten-steel vessel, a guide frame attached to a bottom of the frame which can opened and closed, a plurality of refractory plates, a pair of surface-pressure bars and a cylinder. The plurality of refra... | 08/21/2001 |
| 6263897 | Slide valve plate and method of making the same The slide valve plate comprises the plate main body 11 and the sleeve 13 having the jaw part fitted in the through hole 12 formed in the plate 12, and the plate 11 and the sleeve 13 are integrally joined with the mortar, while the releasing member 15 is i... | 07/24/2001 |
| 6250521 | Preventing air aspiration in slide gate plate throttling mechanisms A slide gate plate throttling mechanism for the continuous casting of molten metal includes a gate plate assembly. The gate plate assembly is connected to an upper nozzle disposed below a vessel for containing molten metal and is disposed above an elongat... | 06/26/2001 |
| 6250520 | Plant for transferring liquid metal, method of operation, and refractories The invention relates to a plant for transferring liquid metal, in particular steel, between an upstream container (2) and a downstream container (10), comprising: an upstream container (2); a tapping spout (28); a downstream container (10), a flow regula... | 06/26/2001 |
| 6092701 | Fireproof plate and a clamping device for a sliding gate at the outlet of a vessel containing molten metal A refractory plate for a sliding gate valve at the outlet of a vessel containing molten metal has a polygonal external shape and has a longitudinal axis, on both sides of which at least two side surfaces, disposed at an obtuse angel (γ) to one another, e... | 07/25/2000 |
| 6082599 | Internal nozzle/plate assembly comprising a weakened portion An internal nozzle/plate assembly for a distributor, wherein the plate is placed against a support (13) with an aperture (30) therein. A central portion is arranged opposite the aperture (30) and a peripheral portion is placed against the support (13). Th... | 07/04/2000 |
| 6045015 | Coupling for a linear actuator and a sliding valve unit for a sliding gate valve of a molten metal vessel A coupling is used to couple a linear actuator with a slider valve unit in a sliding gate valve for a molten metal vessel. The slider valve unit is slidably mounted in a slider housing for movement in a longitudinal direction, and has a push rod for this ... | 04/04/2000 |
| 6026996 | Brick body for rotary nozzle and rotary nozzle using same With a rotary nozzle of the type in which a slide plate brick having at least one nozzle bore is rotated so as to adjust the degree of overlapping between the nozzle bore thereof and a nozzle bore of a fixed plate brick to control the rate of pouring of m... | 02/22/2000 |
| 6019258 | Plate change device for a metallurgical vessel and set of plates for this drawer Plate change drawer for a metallurgical vessel such as a continuous casting distributor (2). The drawer has a chassis (12) mounted under the metallurgical vessel, at least one fixed upper plate (18) and at least one replaceable lower plate (22), means of ... | 02/01/2000 |
| 6016940 | Process for casting molten metal in a conduit comprising at least two refractory parts A process in which, during the flow of molten metal in a conduit an inert gas and oil are injected at the position of the joint plane between two refractory parts in such a manner as to prevent the introduction of gases from the atmosphere into this condu... | 01/25/2000 |
| 5979719 | Soft-bore monoblock pouring tube A refractory pouring-assembly component is disclosed for use in the continuous casting of molten metals, especially steel. The invention is described as reducing thermal shock-induced cracking, including both radial and horizontal cracks. The component co... | 11/09/1999 |
| 5968447 | Tapping method for electric arc furnaces, ladle furnaces or tundishes and relative tapping device Tapping method for molten metal from containers (13) including at the lower part a tapping channel (14) associated at the end part with a discharge hole (15) substantially vertical or sub-vertical, the discharge hole (15) being associated at the lower par... | 10/19/1999 |