Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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 |
| 8113779 | Turbine blade with tip rail cooling and sealing A turbine blade with a stepped tip rail extending along the pressure side and the suction side of the blade tip, the stepped tip rail having tip cooling holes in the stepped portion of the tip rail to provide cooling and sealing for the blade tip. The walls of the a... | 02/14/2012 |
| 8083484 | Turbine rotor blade tips that discourage cross-flow A turbine rotor blade for a gas turbine engine including an airfoil and dovetail for mounting the airfoil along a radial axis to a rotor disk inboard of a turbine shroud, the airfoil comprising: a pressure sidewall and a suction sidewall that join together at a lead... | 12/27/2011 |
| 8061987 | Turbine blade with tip rail cooling A turbine blade with a squealer pocket formed by a tip rail extending along the pressure side and suction side of the tip. A row of diffusion notches are spaced along the inner sides of the pressure side tip rail and the suction side tip rail, each notch formed by a... | 11/22/2011 |
| 8011888 | Turbine blade with serpentine cooling A turbine rotor blade with a first cooling circuit to provide cooling for the leading edge region of the airfoil and a suction side surface of the blade tip, and a second cooling circuit to provide cooling for the mid-chord region of the blade and the pressure side ... | 09/06/2011 |
| 7997865 | Turbine blade with tip rail cooling and sealing A turbine blade with a squealer pocket formed from a pressure side tip and a suction side tip rail, where two vortex cooling channels extend along the blade tip between the tip rails and an internal cooling air supply cavity to provide vortex cooling for the tip rai... | 08/16/2011 |
| 7857587 | Turbine blades and turbine blade cooling systems and methods A turbine blade with improved tip cooling includes an airfoil having a tip cap and a tip wall extending outwardly from the tip cap. A recessed portion of the tip wall forms a tip shelf. At least one tip shelf hole extends through the tip shelf in flow communication ... | 12/28/2010 |
| 7726944 | Turbine blade with improved durability tip cap A gas turbine engine has a turbine blade having a tip cap to close off internal cooling passages. The tip cap is formed with a plurality of purge holes, with there being at least two rows of purge holes. The increased number of purge holes spreads the cooling air ou... | 06/01/2010 |
| 7704045 | Turbine blade with blade tip cooling notches A turbine rotor blade for use in a gas turbine engine, the rotor blade including a squealer pocket on the blade tip to provide a seal between the blade tip and the outer shroud of the engine. A row of film cooling holes extend along the pressure side wall and the su... | 04/27/2010 |
| 7632071 | Cooled turbine blade A turbine engine component, such as a turbine blade, has an airfoil portion, a plurality of cooling passages within the airfoil portion with each of the cooling passages having an inlet for a cooling fluid. Each inlet has a flared bellmouth inlet portion. The turbin... | 12/15/2009 |
| 7553131 | Integrated platform, tip, and main body microcircuits for turbine blades A turbine engine component has an airfoil portion with a pressure side and a suction side. The turbine engine component further has a first cooling microcircuit for cooling the suction side of the airfoil portion. The first cooling microcircuit is embedded within a ... | 06/30/2009 |
| 7530788 | Hollow turbomachine blade A hollow turbomachine blade including an internal cooling passage, an open cavity situated at the free end of the blade and defined by an end wall and the side wall of at least one rim which extends between the leading edge and the trailing edge of the blade, and at... | 05/12/2009 |
| 7513744 | Microcircuit cooling and tip blowing A turbine engine component has an airfoil portion having a pressure side, a suction side, a leading edge, a trailing edge, and a tip. The component further has a first cooling microcircuit embedded in a pressure side wall, a second cooling microcircuit embedded in a... | 04/07/2009 |
| 7513743 | Turbine blade with wavy squealer tip rail A turbine blade (10) including an airfoil (12), the airfoil (12) including an airfoil outer wall (16) having pressure and suction sidewalls (18, 20) joined together at chordally spaced apart leading and trailing edges (22, 24 | 04/07/2009 |
| 7494319 | Turbine blade tip configuration A turbine blade with a squealer tip, the squealer tip being formed by a tip rail extending along the suction side wall of the blade from a point just passed the leading edge of the tip to the trailing edge of the blade, and the tip floor being slanted from the tip r... | 02/24/2009 |
| 7413403 | Turbine blade tip cooling A turbine engine blade has an attachment root, a platform outboard of the attachment root, and an airfoil extending from the platform. The airfoil has pressure and suction sides extending between leading and trailing edges. An internal cooling passageway network inc... | 08/19/2008 |
| 7410342 | Airfoil support A blade or a vane preferably used in a gas turbine engine, the blade or vane being formed of a metallic core or insert with a ceramic airfoil surface bonded to the metallic insert. The insert includes a series of concave and convex portions arranged along the outer ... | 08/12/2008 |
| 7371044 | Seal plate for turbine rotor assembly between turbine blade and turbine vane This invention relates to a seal plate system adapted to fit between axially adjacent turbine blades and turbine vanes to seal a rim cavity. The seal plate system may be formed from a seal plate supported by a plurality of extended disk lugs extending from a disk. T... | 05/13/2008 |
| 7354247 | Blade for a rotor of a wind energy turbine A blade for a rotor of a wind energy turbine includes opposite upper and lower faces, opposite leading and trailing edges connecting the upper and lower and at least one air outlet opening arranged on at least one of the upper face, the lower face and the trailing e... | 04/08/2008 |
| 7351035 | Hollow rotor blade for the turbine of a gas turbine engine, the blade being fitted with a “bathtub” A hollow blade has an internal cooling passage, an open cavity situated at the free end of the blade and defined by an end wall extending over the entire end of the blade and by a rim. The blade includes cooling channels connecting the internal cooling passage and t... | 04/01/2008 |
| 7334333 | Method for making a hollow fan blade with machined internal cavities Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. The floor and opposite interior walls of each cavity are machined simultaneously. The c... | 02/26/2008 |
| 7334412 | Cooling air and injected liquid system for gas turbine blades The invention relates to a turbine 1, in particular a gas turbine, which along a swivel-mounted rotationally symmetrical rotor 2 has a compressor 3, a combustion chamber 5 and a turbine section 7 formed of a plurality of turbine st... | 02/26/2008 |
| 7334995 | Turbine blade assembly and method of manufacture Aspects of the invention are directed to a turbine blade assembly and an associated method of manufacture. The turbine blade assembly can include: (a) a unitary structure having an airfoil and a primary root portion; (b) a separately-formed platform; and (c) a secon... | 02/26/2008 |
| 7322396 | Weld closure of through-holes in a nickel-base superalloy hollow airfoil A hollow airfoil is fabricated by providing a casting mold assembly including a casting mold, a casting core, and a standoff spacer that prevents the casting core from contacting the casting mold to define a casting space. A first nickel-base superalloy is cast into... | 01/29/2008 |
| 7320574 | Turbomachine A turbomachine has, on its inner casing (5) and on its shaft, recesses into which shrouds of rotor blades and/or of guide vanes (2a) protrude. The recesses are configured with wave-shaped contouring arrangements (10), which extend over th... | 01/22/2008 |
| 7318699 | Moisture removal grooves on steam turbine buckets and covers and methods of manufacture Covers on bucket tips are provided with an access slot along a circumferentially facing edge of the cover at a location where moisture removal grooves of the bucket will intersect with the cover. Machine tooling is then applied to form the grooves along the suction ... | 01/15/2008 |
| 7296972 | Turbine airfoil with counter-flow serpentine channels A turbine airfoil usable in a turbine engine and having at least one cooling system. The cooling system may include a pressure side serpentine cooling channel and a suction side serpentine cooling channel. The cooling channels may be nested within each other to opti... | 11/20/2007 |
| 7293962 | Cooled turbine blade or vane A turbine blade or vane (1) has a shell (2), including a first side wall (8) and a second side wall (9), which are connected together at a leading edge (10) and at a trailing edge (11), which extend longitudinally from a roo... | 11/13/2007 |
| 7290986 | Turbine airfoil with curved squealer tip An airfoil for a gas turbine engine includes a root, a tip, a leading edge, a trailing edge, and opposed pressure and suction sidewalls extending generally along a radial axis. The airfoil includes a tip cap extending between the pressure and suction sidewalls; and ... | 11/06/2007 |
| 7281894 | Turbine airfoil curved squealer tip with tip shelf An airfoil for a gas turbine engine includes a root, a tip, a leading edge, a trailing edge, and opposed pressure and suction sidewalls extending generally along a radial axis. The airfoil includes a tip cap extending between the pressure and suction sidewalls; and ... | 10/16/2007 |
| 7278830 | Composite filled gas turbine engine blade with gas film damper A gas turbine engine blade comprises a housing, a composite core located within the housing, and a gas damper located within the housing for damping vibration of the blade. ... | 10/09/2007 |
| 7270514 | Turbine blade tip squealer and rebuild method A turbine blade with a tip squealer and method of rebuilding a turbine blade for a gas turbine engine. The blade is of the type including an airfoil having first and second spaced-apart sidewalls defining an interior void and joined at a leading edge and a trailing ... | 09/18/2007 |
| 7264445 | Cooled blade or vane for a gas turbine A cooled blade or vane for a gas turbine has a main blade or vane part which starts from a blade or vane root and a blade or vane shank and has a leading edge and a trailing edge, as well as, inside the main blade or vane part, a plurality of cooling ducts, which ex... | 09/04/2007 |
| 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 |
| 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 |
| 7231713 | Method of reconditioning a turbine blade A method of reconditioning a rotating blade (1) with a shroud (8) following the operation in a gas turbine, includes the application of a barrier (14) placed on the edge of the shroud (8) facing the edge of a shroud (8) of an adjac... | 06/19/2007 |
| 7210910 | Enhancements to high efficiency ceiling fan Twisted ceiling fan blades for low, medium and high speed operation of less than approximately 250 rpm. The novel blades twisted blades can be configured for 60″ and 64″ diameter fans, and have less blades (3 for example) than conventional flat type bladed fans ... | 05/01/2007 |
| 7207775 | Turbine bucket with optimized cooling circuit A turbine bucket includes a cooling circuit through a dovetail section, a shank section and an airfoil section. The cooling circuit is configured to maximize cooling ability and maximize a useful life at base load operation at firing temperatures of up to 2084° F. ... | 04/24/2007 |
| 7192250 | Hollow rotor blade for the future of a gas turbine engine A hollow blade includes an internal cooling passage, an open cavity located at the tip of the blade and bounded by an end wall and a rim and cooling channels that connect the said internal cooling passage to the outer face of the pressure wall. The cooling channels ... | 03/20/2007 |
| 7175391 | Turbine blade A blade has an airfoil body having an internal cooling passageway network and a body tip pocket. At least one plate is secured within the body tip pocket and has inboard and outboard surfaces. A recess is in the outboard surface and an associated protrusion is on th... | 02/13/2007 |
| 7128536 | Damped aerofoil structure A damped airfoil structure comprises an airfoil having a first wall and a second opposing wall, and vibration damping means for damping relative movement of the first and second wall. The damping means comprises at least two cooperating damping elements, a first dam... | 10/31/2006 |
