1
Joseph Brostmeyer, John E Ryznic: Bearing-less floating wind turbine. Florida Turbine Technologies, John Ryznic, July 8, 2008: US07397144 (26 worldwide citation)

A floating wind turbine in which a floating barge having a doughnut shape with an open center rigidly supports a plurality of airfoils such that a wind produces a rotation of the blades and the barge. The airfoil and barge assembly is connected to a rigid shaft that extends into a generator housing ...


2
John E Ryznic: Method and leading edge replacement insert for repairing a turbine engine blade. Florida Turbine Technologies, John Ryznic, November 30, 2010: US07841834 (12 worldwide citation)

A replaceable leading edge insert for a rotor blade and a process for replacing a damaged leading edge portion of a blade on an integrally bladed rotor. The insert is a fibrous reinforced composite insert with a scarf joint to secure the insert to the blade. The insert includes an aft extending port ...


3
John E Ryznic: Multiple staged compressor with last stage airfoil cooling. Florida Turbine Technologies, John Ryznic, August 14, 2012: US08240975 (6 worldwide citation)

A high compression ratio compressor having multiple stages of airfoils to produce the high pressure rations, where the last stage airfoils are cooled by passing cooling air through the airfoils without discharging film cooling air. The cooling air for the airfoils is bled off from an upstream stage ...


4
John E Ryznic, James P Downs, Joseph D Brostmeyer: Multiple staged compressor with last stage airfoil cooling. Florida Turbine Technologies, John Ryznic, October 14, 2014: US08858161 (5 worldwide citation)

An industrial gas turbine engine in which a compressor includes later stage airfoils that are cooled using a coolant from an external closed loop cooling circuit or from a heat recovery steam generator. Cooling air compressed by a compressor external to the IGT engine can be used for cooling of the ...


5
John E Ryznic, Joseph D Brostmeyer, Jack W Wilson Jr: Vertical axis wind turbine with direct drive generator. Florida Turbine Technologies, John Ryznic, February 22, 2011: US07893556 (4 worldwide citation)

A bearingless floating wind turbine has a tall narrow main support structure with a center of buoyancy located well above the center of gravity to provide stability to the wind turbine while supported for rotation in a body of water, a vertical axis turbine blade extends from the main support struct ...


6
John E Ryznic, Joseph D Brostmeyer, Jack W Wilson Jr: Bearingless floating wind turbine. Florida Turbine Technologies, John Ryznic, July 6, 2010: US07750492 (4 worldwide citation)

A bearingless floating wind turbine has a tall and narrow main support structure with a center of buoyancy located well above the center of gravity to provide stability to the wind turbine while supported for rotation in a body of water, a vertical axis turbine blade extends from the main support st ...


7
John E Ryznic, Wesley D Brown: High temperature turbine rotor blade. Florida Turbine Technologies, John Ryznic, December 6, 2011: US08070450 (3 worldwide citation)

A turbine rotor blade made from the spar and shell construction in which the shell formed from a plurality of shell segments each being a thin wall shell segment made from a high temperature resistant material that is formed by a wire EDM process, and where the shell segments are each secured to the ...


8
Jack W Wilson Jr, John E Ryznic: Ceramic regenerator for a gas turbine engine. Florida Turbine Technologies, John Ryznic, January 4, 2011: US07861510 (3 worldwide citation)

A high temperature heat exchanger for use with a small gas turbine engine to produce a combined cycle power plant, where the heat exchanger includes ceramic heat exchange tubes of SiC that are tightly fitted to the heat exchanger so that no welds or brazing is used and prevent any thermal stresses b ...


9
John E Ryznic: Turbine rotor blade with low cooling flow. Florida Turbine Technologies, John Ryznic, November 22, 2011: US08061990 (2 worldwide citation)

A turbine rotor blade with a series of 3-pass serpentine flow near wall cooling circuits that extend along the airfoil to provide low flow cooling for the blade. the 3-pass serpentine circuits include a first channel positioned along the pressure side wall to provide near wall cooling, a third chann ...


10
Douglas A Hayes, John E Ryznic: Apparatus and method to measure air pressure within a turbine airfoil. Florida Turbine Technologies, John Ryznic, April 22, 2008: US07360434 (2 worldwide citation)

A pressure tap probe having a flexible probe tip that is flexible enough to seal a film cooling hole having a roughened surface such as a TBC applied around the hole. The flexible probe tip is flexible enough to deform around the film cooling hole such that an accurate pressure reading can be observ ...