Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7438522 | Fan A fan has an air conveying conduit (16) and a fan wheel (22) arranged therein, which wheel is rotatable about a central axis (25) and is formed with a central hub (20; 120) having an outer periphery (27) on which fan blades (26 | 10/21/2008 |
| 7425115 | Thermal turbomachine A thermal turbomachine is disclosed having at least one row of rotor blades. At least one first rotor blade has a greater radial length than the others and at the blade tip is equipped with a first abrasive layer. At least one rotor blade which has a shorter radial ... | 09/16/2008 |
| 7422413 | Shroud tip clearance control ring The present invention is a shroud tip clearance control ring for use in a gas turbine engine in which a rotary blade and a shroud ring form a gap that forms a blade outer air seal, and where the shroud ring is formed of two shroud segment halves, each shroud segment... | 09/09/2008 |
| 7396205 | Rotor blade for a rotary machine A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing a transition zone that extends from the suction side and pressure side of the airfoil to provide a flow path surface of the shro... | 07/08/2008 |
| 7367776 | Turbine engine stator including shape memory alloy and clearance control method A turbine engine stator assembly in juxtaposition across a radial gap with a rotary blading assembly includes a radially movable shroud and a gap control member made of at least one shape memory alloy (SMA). The SMA is selected and preconditioned to deform pre-selec... | 05/06/2008 |
| 7338255 | Turbo-type fluid machine and a stepped seal apparatus to be used therein A turbo-type fluid machine comprises a mouth ring part provided between a shroud of an impeller and a pump casing and having a seal function. The mouth ring part comprises an impeller ring on a side of the shroud of the impeller and a casing ring provided on a side ... | 03/04/2008 |
| 7334984 | Turbine shroud assembly with enhanced blade containment capabilities A low pressure turbine shroud assembly includes a backsheet with enhanced blade containment capabilities that is sized to be retrofitted into a conventional low pressure turbine assembly. The backsheet has first and second mounting rails at axially opposite ends the... | 02/26/2008 |
| 7326033 | Turbomachine blade A turbomachine blade is disclosed having a shroud element, wherein plastic deformations and lifting of the shroud element on one side result during operation under centrifugal load. This load may result in high-temperature creep of the blade. A sealing strip which i... | 02/05/2008 |
| 7322319 | Fan assembly A fan assembly for an agricultural tractor includes a rotatable fan mechanically driven by a drive shaft coupled to an internal combustion engine. A fan shroud encloses the outer periphery of the fan and is mechanically connected to the engine. A bearing is mounted ... | 01/29/2008 |
| 7290982 | Arrangement for the attachment of distributor sectors supporting vanes around an arc of a circle The distributor sectors (25) of a turbomachine are secured adjacent to a casing (31) with sealing sectors (32) alternating with them in the axial direction. The distributor sectors (25) are provided with force resistant faces (37; 39 | 11/06/2007 |
| 7287956 | Removable abradable seal carriers for sealing between rotary and stationary turbine components The turbine includes a diaphragm having a seal carrier mounted in opposition to seal teeth carried by the rotary component. The seal carrier includes a seal face having a coating of abradable material enabling the rotary component to abrade the material from the sea... | 10/30/2007 |
| 7273353 | Shroud honeycomb cutter A turbine blade for use in a gas turbine engine is provided. The turbine blade includes an airfoil portion having a tip end, a shroud attached to the tip end, which shroud has an outer surface, and a knife edge attached to an outer surface of the shroud. The knife e... | 09/25/2007 |
| 7273347 | Blade for a gas turbine A gas turbine blade (1) has a shroud (3) which is cooled by different cooling mechanisms in various regions (A, B, C) according to the different thermal load. In a first region (A), in a fin (8), bores are provided, by which a convective cooling... | 09/25/2007 |
| 7255531 | Gas turbine tip shroud rails A tip shroud rail for a tip shroud of at least one turbine rotor blade, the tip shroud rail comprising a base integrally attached to the tip shroud, a top distally positioned from the base, an upstream surface, and a downstream surface, wherein the tip shroud rail h... | 08/14/2007 |
| 7246989 | Shroud leading edge cooling A cooling device includes a plurality of passages extending through outer platforms of turbine vane segments for directing cooling air in a choked flow condition towards a downstream turbine shroud. ... | 07/24/2007 |
| 7244099 | Multi-vane centrifugal fan A multi-vane centrifugal fan has a fan housing and an impeller. The impeller includes a plurality of vanes arranged with a prescribed spacing in the circumferential direction and fixed to a hub rotatably driven around a shaft core. The impeller further includes an a... | 07/17/2007 |
| 7238001 | Seal arrangement The present invention relates to a seal arrangement in which a substantially labyrinth type seal is utilised between a rotating component and a stationary component such as a housing. An edged fin of the seal arrangement incorporates a slot nozzle or a slot nozzle i... | 07/03/2007 |
| 7190578 | Plasma display apparatus A plasma display apparatus comprising a chassis base, a plasma display panel coupled to a first side of the chassis base, and a driving board, for driving the plasma display panel, attached on a second side of the chassis base opposite to the first side of the chass... | 03/13/2007 |
| 7186074 | Axial flow stream turbines A drum-type rotor carries an annular row of moving blades having root portions held within a slot in the periphery of the rotor. A turbine casing surrounds the rotor and carries a static blade assembly with an annular row of static blades which, together with the an... | 03/06/2007 |
| 7186078 | Turbine shroud segment A shroud segment for being incorporated in a gas turbine engine so as to suppress influence of hot combustion gas on a turbine case of the gas turbine engine is provided with a back plate having first and second plate portions formed in an arc shape and supported by... | 03/06/2007 |
| 7134838 | Rotor blade for a rotary machine A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing the shroud with a depression in the shroud and a transition zone that extends from the suction side and pressure side of the air... | 11/14/2006 |
| 7125223 | Method and apparatus for turbomachine active clearance control An apparatus for providing active clearance control between blade tips and seals in a turbomachine comprising: a first stator carrier segment, with stator seals centripetally disposed on it; a second stator carrier segment located along a same circumference as the f... | 10/24/2006 |
| 7114921 | Fan and blower unit having the same A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with radial outside edges of the blades. The ring member has an axial dimension smaller than an axial dimensio... | 10/03/2006 |
| 7094023 | Shroud honeycomb cutter A turbine blade for use in a gas turbine engine is provided. The turbine blade includes an airfoil portion having a tip end, a shroud attached to the tip end, which shroud has an outer surface, and a knife edge attached to an outer surface of the shroud. The knife e... | 08/22/2006 |
| 7094032 | Turbine blade shroud cutter tip A shroud for use with a turbine blade is disclosed wherein the shroud provides at least one knife edge with at least one tooth for cutting a groove in a compliant rub strip that minimizes wear on the knife edge. The tooth is positioned along the knife edge inward of... | 08/22/2006 |
| 7086825 | Fan A fan is provided for use with a casing having a bellmouth and a conduit portion. The fan has a hub, a number of blades extending from the hub, and a shroud. In cooperation with the casing and the conduit portion surrounding the shroud, the shroud has means for gene... | 08/08/2006 |
| 7070387 | Gas turbine stator housing A housing including an outer casing provided with bearer hooks for stator rings and sealing rings. The hooks are discontinuous angularly and joined to a casing by tenon and mortise assemblies. The hooks and the casing may therefore be made in different materials, th... | 07/04/2006 |
| 7070388 | Inducer with shrouded rotor for high speed applications An inducer rotor rotatably mountable in an inducer for pressurizing fluid traveling through the inducer. The inducer rotor includes a hub. The hub has a central axis and a plurality of blades extending radially outward from the hub. Each blade extends from a root po... | 07/04/2006 |
| 7066714 | High speed rotor assembly shroud An improved rotor assembly shroud includes at least one reinforcing flange on the upper surface of the shroud. The strength provided by the reinforcing flange allows for a smaller shroud thickness resulting in a net reduction of shroud mass. The lower shroud mass re... | 06/27/2006 |
| 7059821 | Method and apparatus to facilitate sealing within turbines A method to facilitate sealing between a rotary component and a stationary component is provided. The rotary component includes at least one bucket secured thereon, the bucket having a flow admission side and a flow exit side. The method includes coupling a spill st... | 06/13/2006 |
| 7052017 | Rotary machine with seal The so-called comb-type labyrinth sealing device (S1) is disposed in a gap between a rotor blade (2), i.e. a rotating member, and a labyrinth packing (9), i.e. a stationary member. The sealing device (S1) has a plurality of sealing fins (... | 05/30/2006 |
| 7001145 | Seal assembly for turbine, bucket/turbine including same, method for sealing interface between rotating and stationary components of a turbine A rotary machine includes a rotatable rotor, buckets radially mounted on and spaced apart about the rotor, a stationary stator/casing disposed about and radially outward from the rotor defining an annular gap between the casing and tips of the buckets, and an abrada... | 02/21/2006 |
| 6976824 | Reducing clearance in a gas turbine A gas turbine, in particular a high pressure turbine for an airplane engine, the turbine comprising moving blades (10) with tips that are fitted with radially slidable stubs (26) for being pressed in operation by centrifugal forces against the inside s... | 12/20/2005 |
| 6969231 | Rotary machine sealing assembly A sealing assembly for disposition in a rotary machine is disposed between a rotary component and a stationary component of the rotary machine. The sealing assembly includes at least one sealing strip affixed by caulking to one of the rotary and stationary component... | 11/29/2005 |
| 6966752 | Casing ring A jacket ring for the low-pressure-turbine region of a gas turbine, having a plurality of lined-up segments which are arranged between a moving blade ring with a shroud band and the casing of the gas turbine, which carry a run-in lining and which hold guide blades i... | 11/22/2005 |
| 6962482 | Turbine shroud segment A shroud segment for being incorporated in a gas turbine engine having a turbine case and a rear turbine case connected with a rear end of the turbine case so as to suppress influence of hot combustion gas on the turbine case and the rear turbine case, is provided w... | 11/08/2005 |
| 6962484 | Moving blade for a turbomachine This arrangement relates to a moving blade (1), cast in one piece, for a turbomachine, in particular a turbine or compressor, comprising an aerodynamically shaped profile body (2) which has a shroud band (5). The shroud band (5) projects ... | 11/08/2005 |
| 6942445 | Gas turbine cooled shroud assembly with hot gas ingestion suppression A cooled shroud assembly includes an angled slot and a plurality of dilution jet openings. The shroud forward cavity is modified such that at least one recirculation zone is produced. The angled slot forces an axial change in momentum of the hot gas flow and increas... | 09/13/2005 |
| 6939104 | Turbine blade with sealing element A turbine blade including a head at its peripherally outer end, and on the outside face thereof at least one wiper is formed having a first end portion and a second end portion, with a wiper tip extending between the two end portions. The first portion situated on t... | 09/06/2005 |
| 6926495 | Turbine blade tip clearance control device A sealing system for reducing a gap between a tip of a shrouded turbine blade and a stationary shroud of a turbine engine. The sealing system includes one or more seal lands extending from a shrouded turbine blade toward a stationary shroud of a turbine engine. Duri... | 08/09/2005 |
