Tragesser
Daniel Tragesser, Greenville, SC US
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20080292466 | Method to center locate cutter teeth on shrouded turbine blades - The present application further describes a method for extending the operating life of a tip shrouded turbine blade that includes the steps of: 1) removing an end located cutter tooth from a seal rail of a tip shroud, the end located cutter tooth including a cutter tooth located at the end of one of the suction side and pressure side of the seal rail of the tip shroud; and 2) attaching a center located cutter tooth to the seal rail of the tip shroud, the center located cutter tooth including a cutter tooth that is located in the approximate center of the seal rail of the tip shroud. In such method, the center located cutter tooth may be attached to the seal rail such that the center located cutter tooth is inside the airfoil if it were projected radially outward from the narrowest point below a tip shroud fillet. | 11-27-2008 |
Daniel Tragesser, Simpsonville, SC US
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20090324424 | AIR COOLED BUCKET FOR A TURBINE - A bucket for a turbine is provided. The bucket includes an airfoil having a root portion, a tip portion, an airfoil shape, and a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table I, wherein Z is a distance from a platform on which the airfoil extends outwardly from, and X and Y are coordinates defining the profile at each distance Z from the platform. The bucket also includes a plurality of cooling passages extending between the root portion and tip portion of the airfoil, each of the plurality of cooling passages exiting at the tip portion, the plurality of cooling passages positioned in a camber line pattern. | 12-31-2009 |
20100003127 | AIR COOLED BUCKET FOR A TURBINE - A bucket for a turbine is described. The bucket includes a dovetail portion configured to couple the bucket to a turbine wheel, the dovetail portion having a lower surface. The bucket also includes a shank portion that extends from the dovetail portion and an airfoil having a root and a tip portion, an airfoil shape, and a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table I. The bucket also includes a plurality of cooling passages. The plurality includes no more than five cooling passages that extend between the root and the tip portion of the airfoil. Each of the cooling passages exits the airfoil at the tip portion, the plurality of cooling passages are positioned in a camber line pattern. | 01-07-2010 |
20100008781 | Method and Apparatus for Creating Seal Slots for Turbine Components - A sealing slot system for a turbine dovetail. The sealing slot system may include a dovetail tab with a first leg and a second leg, an insert positioned between the first leg and the second leg so as to define a sealing slot, and a pin extending through the dovetail tab and the slot insert. | 01-14-2010 |
20110030459 | METHODS AND APPARATUS FOR DETERMINING MOMENT WEIGHT OF ROTATING MACHINE COMPONENTS - A method of determining the moment weight of a rotating component for a rotary machine includes the steps of: (a) supporting the component on a platform at a pair of spaced locations along a length dimension of the component, one of the spaced locations corresponding to a known radial distance from a centerline of a rotor of the rotary machine to a predetermined location on the component when the component is installed on the rotary machine, and wherein a center of gravity of the component is located between the spaced locations; (b) determining partial weights of the rotary machine component by supporting the platform on a pair of weight scales vertically aligned with and substantially centered on the spaced locations, wherein a total weight TW of the component is equal to a sum of the partial weights; (c) utilizing information obtained in step (b), locating a center of gravity of the component relative to the one of the spaced locations and determining a radial distance D | 02-10-2011 |
Daniel Howard Tragesser, Marietta, GA US
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20150128433 | BUCKET TIP SHROUD MEASUREMENT FIXTURE AND METHOD OF MEASURING BUCKET TIP SHROUD ORIENTATION - A bucket tip shroud measurement fixture includes a frame extending from a first end to a second end through an intermediate portion having a first surface and an opposing second surface, a first tip shroud fixing member extending from the second surface of the frame at the first end, and a second tip shroud fixing member extending from the second surface of the frame at the second end. The first and second tip shroud fixing members are configured and disposed to retain and establish an orientation of a bucket tip shroud relative the frame. A plurality of reference points are provided on the frame. The plurality of reference points are configured and disposed to receive a coordinate measuring machine (CMM) probe. | 05-14-2015 |
Daniel Howard Tragesser, Greenville, SC US
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20120092179 | System and Method for Turbine Bucket Tip Shroud Deflection Measurement - A measurement system measures a gap between a plurality of rotating bucket tips and a stationary shroud surface. The system includes a sensor secured to the shroud surface, where the sensor senses a distance between each of the rotating bucket tips and the shroud surface, and a key phasor indexing each of the plurality of rotating bucket tips. A processor receives data from the sensor and the key phasor and calculates a shift against each of the plurality of buckets. The processor determines a time to bucket replacement based on current service hours of the plurality of rotating buckets tips. | 04-19-2012 |
Daniel Howard Tragesser, Simpsonville, SC US
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20120107135 | APPARATUS, SYSTEMS AND METHODS FOR COOLING THE PLATFORM REGION OF TURBINE ROTOR BLADES - A platform cooling arrangement in a turbine rotor blade having a platform at an interface between an airfoil and a root, wherein the rotor blade includes an interior cooling passage that extends to the approximate radial height of the platform, and wherein, a pressure side of the platform comprises a planar topside that extends circumferentially from the airfoil to a pressure side slashface, and a suction side of the platform comprises a substantially planar topside that extends circumferentially from the airfoil to a suction side slashface. The platform cooling arrangement may include a linear plenum residing just inboard of the planar topside and linearly extending through the platform from either the pressure side slashface or the suction side slashface to a connection with the interior cooling passage, the linear plenum having a longitudinal axis that is approximately parallel to the planar topside; and a plurality of cooling apertures linearly extending from a topside outlet formed on the topside of the platform to a connection with the linear plenum, wherein the cooling apertures are configured such that each forms an acute angle with the topside of the platform. | 05-03-2012 |
20120121424 | TURBINE BLADE COMBINED DAMPER AND SEALING PIN AND RELATED METHOD - A damper pin for a turbine bucket includes an elongated main body portion having a first substantially uniform cross-sectional shape and axially-aligned, leading and trailing end portions having a second relatively smaller cross-sectional shape at opposite ends of the main body portion. A seal element is provided on one or both of the opposite leading and trailing end portions projecting radially outwardly beyond the main body portion. | 05-17-2012 |
Gary Tragesser, West Lafayette, IN US
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20110202169 | APPARATUS AND METHOD FOR SORTING PLANT MATERIAL - An apparatus and method for sorting plant material based on the presence or absence of a visual marker on the plant material. The visible marker may be a visible genetic color marker in the corn seed which is used in double haploid breeding. The absence or presence of the visible marker identifies correctly pollinated seeds as well as putative haploid seeds. | 08-18-2011 |
20120296468 | APPARATUS AND METHOD FOR SORTING PLANT MATERIAL - An apparatus and method for sorting plant material based on the presence or absence of a visual marker on the plant material. The visible marker may be a visible genetic color marker in the corn seed which is used in double haploid breeding. The absence or presence of the visible marker identifies correctly pollinated seeds as well as putative haploid seeds. | 11-22-2012 |
Scott Tragesser, Fort Wayne, IN US
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20100089178 | Corn Stalk strength measuring device - An apparatus for measuring stalk strength of a plant is disclosed. A force sensor is mounted to a harvester in a position to measure the resistance to crushing of the plant stalk by a stalk roll of the harvester. The apparatus may include a pair of counter rotating stalk rolls that pull and crush the plant stalk between them and a pair of stain gauges attached on either side of a mounting apparatus of the stalk rolls to sense both the tension and compression forces induced in the mounting apparatus by each of the rolls in response to the resistance to crushing of the plant stalk. Data collected by the invention can be advantageously used in a breeding program wherein breeding decisions are made based at least in part on stalk strength. | 04-15-2010 |
20130024991 | Variety Corn Line NPID5702 - The present invention provides an inbred corn line designated NPID5702, methods for producing a corn plant by crossing plants of the inbred line NPID5702 with plants of another corn plant. The invention further encompasses all parts of inbred corn line NPID5702, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line NPID5702, and plants produced according to these methods. | 01-24-2013 |
Scott Tragesser, Ft. Wayne, IN US
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20130227726 | Variety Corn Line FF5130 - The present invention provides an inbred corn line designated FF5130, methods for producing a corn plant by crossing plants of the inbred line FF5130 with plants of another corn plant. The invention further encompasses all parts of inbred corn line FF5130, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line FF5130, and plants produced according to these methods. | 08-29-2013 |
Scott Tragesser, Monroeville, TN US
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20140245483 | VARIETY CORN LINE AF3242 - The present invention provides an inbred corn line designated AF3242, methods for producing a corn plant by crossing plants of the inbred line AF3242 with plants of another corn plant. The invention further encompasses all parts of inbred corn line AF3242, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line AF3242, and plants produced according to these methods. | 08-28-2014 |
Steven Arthur Tragesser, Houston, TX US
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20140271414 | GAS DISTRIBUTOR NOZZLES - Systems and methods for injecting gas into a fluidized bed of particles are provided. The system can include a gas distribution system. The gas distribution system can include a header having a flow passage and a nozzle body coupled to the header. The nozzle body can have an inlet end in fluid communication with the flow passage and an outlet end positioned outside of the header. The nozzle body can have a longitudinal axis that is substantially perpendicular to a direction of flow through the flow passage. The nozzle body can have an orifice positioned between the inlet end and the outlet end. | 09-18-2014 |