"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8087875 | Machine for increased hydro power generation A multidirectional hydrokinetic power generating turbine has an impeller housing with one or more impellers disposed within the impeller housing, one or more adjustable ducts pivotally connected to the impeller housing, and a plurality of duct leafs disposed about t... | 01/03/2012 |
| 8083465 | Repaired turbine exhaust strut heat shield vanes and repair methods A method of repairing a turbine exhaust case strut heat shield vane includes removing a damaged portion of the vane, solution heat treating the vane, attaching a replacement section to the vane, and relieving local stresses in an attachment area between the replacem... | 12/27/2011 |
| 7314670 | Welded component A welded component includes at least one high temperature segment of a high alloy Cr steel with high creep strength and a low temperature segment of a low alloy steel with high toughness and/or a high yield strength which are connected materially to one another via ... | 01/01/2008 |
| 7251888 | Hollow fan blade for aircraft engines and method for its manufacture A hollow fan blade for the fan of an aircraft engine includes a blade base section (2) and a blade tip section (5) which are assembled at opposing faying surfaces (6, 6′) by a joining process. Starting from the respective faying surface, cavit... | 08/07/2007 |
| 7205397 | Proteins and methods for producing the proteins A protein which inhibits osteoclast differentiation and/or maturation and a method for producing the protein. The protein is produced by human embryonic lung fibroblasts and has a molecular weight of about 60 kD and about 120 kD under non-reducing conditions and abo... | 04/17/2007 |
| 7198454 | Variable stator vane arrangement for a compressor An axial flow compressor (16) comprises a plurality of variable stator vanes (32) circumferentially spaced apart and extending radially. Each variable stator vane (32) is rotatably mounted on a compressor casing (28). A control ring (3... | 04/03/2007 |
| 7192246 | Seal arrangement in a machine A seal arrangement, for example a brush seal 8′ in a gas turbine engine, includes thermal matching means for matching the rates of response of a supporting ring 14′, 16′ of the seal, and of a rotatable component 4 with which the seal coope... | 03/20/2007 |
| 7189052 | Centrifugal compressor having rotatable compressor case insert A centrifugal compressor is disclosed as including a case, a compressor chamber, and an impeller in the compressor chamber for compressing fluid from an inlet opening and forcing compressed fluid through an outlet opening. Moreover, the compressor includes an insert... | 03/13/2007 |
| 7125686 | Proteins and methods for producing the proteins A protein which inhibits osteoclast differentiation and/or maturation and a method for producing the protein. The protein is produced by human embryonic lung fibroblasts and has a molecular weight of about 60 kD and about 120 kD under non-reducing conditions and abo... | 10/24/2006 |
| 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 |
| 7118322 | Device for injecting cooling air into a turbine rotor A device for injecting cooling air into a turbo-machine turbine rotor includes a plurality of injectors distributed regularly around a longitudinal axis of the turbomachine and mounted between an inner shroud and an outer shroud. Each injector has a bimetallic struc... | 10/10/2006 |
| 7094035 | Hybrid blade for thermal turbomachines The invention relates to a hybrid blade (1) for thermal turbomachines, having an airfoil (2) made of a metallic material of a certain density, and having a blade root (3). It is characterized in that the blade root (3), compared with the ... | 08/22/2006 |
| 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 |
| 7033131 | Fan blade for a gas-turbine engine For material reduction, a fan blade made of solid material for a gas-turbine engine is provided in the area of the blade tip with at least one cavity (5) extending from the face of the blade tip. Thus, apart from the aspect of weight saving, the vibration amp... | 04/25/2006 |
| 6966758 | Wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature A wind turbine rotor blade (10) comprising one or more means (4) secured to the blade (10) for changing the profile thereof depending on the atmospheric temperature. The means comprises at least one laminate having at least two layers of materia... | 11/22/2005 |
| 6964557 | Methods and apparatus for coupling a component to a turbine engine blade A metering plate includes a body having a first end and a second end, at least one opening extending through the body, and at least one projection extending outwardly from the body. The body is configured to be resistance welded to at least one of a turbine engine b... | 11/15/2005 |
| 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 |
| 6755609 | Radial pump A radial-flow pump (1), and especially a coolant pump for an internal combustion engine, comprising an impeller (2) provided with vanes (5) and a directing device (4) including at least one temperature- and/or speed-sensitive element for ... | 06/29/2004 |
| 6485255 | Cooling air flow control device for a gas turbine engine A cooling air flow control device for a gas turbine engine, the cooling air flow control device comprising a component, a cooling passage defined within the component and a shaped memory metal valve, the shaped memory metal valve disposed in the cooling p... | 11/26/2002 |
| 6439847 | Air-cooled turbine blade An air-cooled turbine blade (1) is provided in the cavity (5) of the blade body (3) with an insert (6) made of a shape memory alloy. Due to the contraction of the insert (6) after a certain temperature threshold value is exceeded, the cooling system (12) ... | 08/27/2002 |
| 6331361 | Methods for manufacture and repair and resulting components with directionally solidified or single crystal materials A method for manufacturing and repair wherein a component composed of equiaxed cast or wrought alloys has at least one section joined thereto composed of directionally solidified or single crystal material... | 12/18/2001 |
| 6015263 | Fluid moving device and associated method A fluid moving device (100) includes a rotatable assembly (101), and a plurality of fan blades (102-04) disposed circumferentially around and extending outward from rotatable assembly (101), at least one of plurality of fan blades (102-04) includes shape ... | 01/18/2000 |
| 5311749 | Turbine bypass working fluid admission An air cycle machine (10) has a first stage turbine (60) mounted to a central portion of a common shaft (12), a compressor (50) mounted to the central portion of the shaft (12), a second stage turbine (30) mounted to a first end of the shaft (12), and a f... | 05/17/1994 |
| 5207558 | Thermally actuated vane flow control Thermally actuated flow diverters for gas turbine engines are provided which include an arrangement of vanes in spaced overlapping array, which direct, e.g. coolant air flow to rotating engine components, each vane having 3 foil components joined at 3 hin... | 05/04/1993 |
| 5092737 | Blade tip clearance control arrangement for a gas turbine A blade tip clearance control arrangement for a compressor of a gas turbine engine comprises a first annular control member which defines a portion of the gas flowpath through the compressor and which is spaced from the tips of the rotor blades by a clear... | 03/03/1992 |
| 5064343 | Gas turbine engine with turbine tip clearance control device and method of operation The problem of excessive clearances being generated by rub occurring between the tips of turbine blades and the linings on shroud segments which surround the blades is addressed by way of providing a valve 42 of a metal of different coefficient of expansi... | 11/12/1991 |
| 5035572 | Arrangement for adjusting guide blades An arrangement for adjusting guide blades by thermal expansion has an expansion rod which has a significantly different coefficient of linear expansion with respect to the supporting housing and is aligned in the circumferential direction of the turbo-eng... | 07/30/1991 |
| 5007742 | Temperature-sensing member Disclosed is a temperature-sensing member including a columnar or hollow cylindrical base having a configuration of a circular or polygonal column or a hollow circular or polygonal cylinder; and at least one strip member of a material having a different c... | 04/16/1991 |
| 4969799 | Blower fan blade Each blade of a blower fan has a parallel wire group for each side whose thermal expansion coefficient is smaller than that of the blade. The two parallel wire groups are provided substantially over the whole area of a suction-side surface and of a discha... | 11/13/1990 |
| 4778339 | Fan blade A fan blade which makes use of the difference in the thermal expansion coefficient to enable the angle of attack to be variable without a substantial change in the camber quantity and without the need to employ a temperature-sensitive fan clutch. The blad... | 10/18/1988 |
| 4752182 | Device for the open- or closed-loop control of gas turbine engines or turbojet engines This invention covers elements, such as guide walls, shut-off flaps, flow dividers and vanes, arranged on or in flow ducts energized with compressor and/or fan air, where said elements are variably arranged to suit variable operating states. To achieve ex... | 06/21/1988 |
| 4752183 | Water pump A water pump having a pump impeller and a cup-like disk disposed to be movable along a rotation shaft driven by the engine, a space for passing water being formed between the pump impeller and the cup-like disk, the pump impeller and the cup-like disk bei... | 06/21/1988 |
| 4740138 | Device for controlling the throat areas between the diffusor guide vanes of a centrifugal compressor of a gas turbine engine This device provides the diffusor guide vanes with bypass ducts which establish communication between the pressure and suction sides, which can be sealed by means of shut-off elements, which take the form of bimetal components or at least are connected to... | 04/26/1988 |
| 4700541 | Shape memory alloy actuator An electrically controlled shape memory alloy actuator capable of being miniaturized for use in robotics and other fields. The actuator is made of a shape memory alloy wire which is torsioned end along its longitudinal axis and with its ends constrained a... | 10/20/1987 |
| 4619580 | Variable camber vane and method therefor A variable camber vane particularly suitable for use as a variable stator vane (20) has a secured root (22), a free tip (24) and a working face (26) disposed within and diverting flow of a working fluid, exhibiting temperature-responsive deflection of the... | 10/28/1986 |
| 4445815 | Temperature regulation of air cycle refrigeration systems Temperature regulation of an air cycle refrigeration system is achieved by selectively adjusting the turbine stator geometry in response to the temperature of turbine airflow at a desired location. Such adjustment in stator geometry includes the selective... | 05/01/1984 |
| 4415307 | Temperature regulation of air cycle refrigeration systems Temperature regulation of an air cycle refrigeration system is achieved by selectively adjusting the turbine stator geometry in response to the temperature of turbine airflow at a desired location. Such adjustment in stator geometry includes the selective... | 11/15/1983 |
| 4127357 | Variable shroud for a turbomachine A turbine shroud segment is supported by a pair of eccentric shafts which are rotated in response to the engine operating temperatures to selectively vary the radial position of the shroud segment so as to minimize the radial clearance between the shroud ... | 11/28/1978 |
| 4054398 | Centrifugal compressor or centripetal turbine A diffuser for a centrifugal compressor or a nozzle assembly for a centripetal turbine comprising a pair of axially-spaced walls defining an annular housing open at its inner and outer peripheries and a plurality of vanes extending between the walls and d... | 10/18/1977 |