1
Mark M Harris, Wesley D Brown, Angel M Garcia: Gas turbine engine with an air cooled bearing. Florida Turbine Technologies, John Ryznic, July 21, 2009: US07562519 (57 worldwide citation)

A small gas turbine engine with a compressor, a combustor, and a turbine located downstream of the combustor. The compressor and turbine are supported on a rotary shaft, and a main bearing is support on the rotary shaft, the main bearing being located in a hot zone of the combustor. The main bearing ...


2
George Liang: Film cooling hole for turbine airfoil. Florida Turbine Technologies, John Ryznic, August 16, 2011: US07997868 (53 worldwide citation)

A turbine airfoil with a film cooling hole having a bell mouth shaped opening that has expansion in both the side walls and the downstream wall of from 15 to 25 degrees. The film cooling hole includes an expansion section formed with two long ribs and one short rib to form three inlets of equal cros ...


3
Joseph Brostmeyer: Dual heat exchanger power cycle. Florida Turbine Technologies, John Ryznic, August 10, 2010: US07770376 (39 worldwide citation)

A power plant for burning a fuel in a low pressure combustion chamber to produce electrical power. A first compressor supplies compressed air through a first heat exchanger to add heat to the compressed air. The heated compressed air is passed through a first turbine to drive a first electric genera ...


4
George Liang: Turbine rim cavity sealing. Florida Turbine Technologies, John Ryznic, October 18, 2011: US08038399 (37 worldwide citation)

A rim cavity seal arrangement for a gas turbine engine, where the rim cavity is formed between two rotor disk stages with a stator vane assembly positioned between the rotor disks and extending into the rim cavity. A cover plate secured onto a side of the rotor disk includes a plurality of cooling a ...


5
George Liang: Vortex cooling of turbine blades. Florida Turbine Technologies, Norman Friedland, January 3, 2006: US06981846 (33 worldwide citation)

A near wall cooling technique for cooling the pressure and suction sides of a turbine airfoil that includes a matrix of cells oriented chord-wise and extending longitudinally having vortex chambers with vortex creating passages feeding coolant from interior of the blade to each of the cells, interco ...


6
George Liang: Multiple expansion film cooling hole for turbine airfoil. Florida Turbine Technologies, John Ryznic, November 15, 2011: US08057181 (31 worldwide citation)

A film cooling hole for a turbine airfoil used in a gas turbine engine, where the film cooling hole is formed from a laser with smooth surfaces and without sharp corners, the film hole having a metering section of constant diameter, a first diffusion section having a conical shape, and a spreading s ...


7
Jack W Wilson, Wesley Brown: Cooled turbine spar shell blade construction. Florida Turbine Technologies, Norman Friedland, July 25, 2006: US07080971 (31 worldwide citation)

A blade for a rotor of a gas turbine engine is constructed with a spar and shell configuration. The spar is constructed in an integral unit or multi-portions and includes a first wall adjacent to the pressure side and a second wall adjacent to the suction side, a tip portion extending in the spanwis ...


8
George Liang: Turbine airfoil with continuous curved diffusion film holes. Florida Turbine Technologies, John Ryznic, February 15, 2011: US07887294 (28 worldwide citation)

A turbine airfoil with a plurality of film cooling holes having a diffuser having both stream-wise and spanwise expansion of the cooling air flow. The diffuser is formed from a series of ellipses with a gradual increase in the cross sectional areas in the flow direction. The diffuser has a stream-wi ...


9
George Liang: Segmented ring for an industrial gas turbine. Florida Turbine Technologies, John Ryznic, February 23, 2010: US07665962 (27 worldwide citation)

A blade outer air seal in a gas turbine engine, the BOAS includes a plurality of ring segments secured to a blade ring carrier. An impingement ring forms a pressure vessel within the blade ring carrier and includes a first group of impingement holes positioned over the middle of the blade tip. The r ...


10
George Liang: Transpiration cooled turbine airfoil. Florida Turbine Technologies, John Ryznic, August 3, 2010: US07766617 (27 worldwide citation)

A turbine airfoil or a substrate exposed to a high temperature environment having a plurality of modular formed cooling circuits with diffusion chambers and cooling holes for each module. Each module includes diffusion chambers and transpiration cooling holes and is placed on the airfoil substrate a ...