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Arness
Brian P. Arness, Simpsonville, SC US
| Patent application number | Description | Published |
|---|---|---|
| 20100007092 | Labyrinth Seal for Turbine Dovetail - A labyrinth seal that may include a first leg positioned about a high-pressure side of the dovetail tab, a second leg positioned about a low-pressure side of the dovetail tab, and a labyrinth chamber positioned between the first leg and the second leg. High-pressure fluid passing through the gap about the first leg expands within the labyrinth chamber so as to limit an amount of the high-pressure fluid that passes beyond the second leg. | 01-14-2010 |
| 20100008769 | Sealing Mechanism with Pivot Plate and Rope Seal - A sealing system for sealing a gap between a dovetail tab of a bucket and a rotor. The sealing system may include a sealing slot positioned about the dovetail tab and a pivot plate positioned within the sealing slot. The sealing slot may include a pivot point and a rest ledge such that the pivot plate pivots about the pivot point and into the gap when the bucket rotates. | 01-14-2010 |
| 20100008783 | Gas Assisted Turbine Seal - A dovetail seal assembly for sealing a gap between a bucket dovetail and a rotor. The dovetail seal assembly may include a sealing slot positioned about the dovetail, a high-pressure supply hole in communication with the sealing slot, and a deformable seal positioned about the sealing slot and into the gap. | 01-14-2010 |
Brian Peter Arness, Greenville, SC US
| Patent application number | Description | Published |
|---|---|---|
| 20110014053 | TURBINE BUCKET LOCKWIRE ROTATION PREVENTION - A retention system for a plurality of turbine buckets located in respective mating slots in a turbine rotor wheel includes a plurality of first retention slots formed in outer peripheral portions of the turbine wheel, and a plurality of second retention slots formed in wheel mounting portions of the buckets. The first and second retention slots are aligned to form an annular retention slot extending about a peripheral portion of the rotor wheel. A lockwire is located within the annular retention slot, the lockwire having engaged free ends. A plurality of axially-oriented retaining pins are fixed in the rotor wheel to hold the lockwire in the annular retention slot, and various techniques are employed for at least limiting or substantially preventing circumferential rotation of the lockwire within the annular slot. | 01-20-2011 |
Brian Peter Arness, Simpsonville, SC US
| Patent application number | Description | Published |
|---|---|---|
| 20090035146 | Airfoil shape for a turbine bucket and turbine incorporating same - Third stage turbine buckets have airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and Z′ set forth Table I wherein X and Y values are in inches and the Z′ values are non-dimensional values from 0 to 1 convertible to Z distances in inches by multiplying the Z′ values by the height of the airfoil in inches. The X and Y values are distances which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z. The profile sections at each distance Z are joined smoothly to one another to form a complete airfoil shape. The X, Y and Z distances may be scalable as a function of the same constant or number to provide a scaled up or scaled down airfoil section for the bucket. The nominal airfoil given by the X, Y and Z distances lies within an envelope of +/−.0.040 inches in directions normal to the surface of the airfoil. | 02-05-2009 |
Shaun P. Arness, Shawnee, KS US
| Patent application number | Description | Published |
|---|---|---|
| 20100163501 | Convertible Card Row - When displayed, greeting cards are typically organized on a display fixture having multiple rows or levels upon which to sit the cards. Each row then has a front wall to hold in the card, yet is short enough to still view a portion of the greeting card above the wall. Because display fixtures are manufactured to have a specified amount of rows or levels at a specified depth, in order to adjust the specifications of a display fixture, other pieces may be used, for example, by attaching to the display fixture a convertible row to add another level or tier between set rows of the display fixture. By providing another row using a convertible row, another set of greeting cards may be displayed between cards displayed on other rows of the original display fixture, increasing the density of the overall display. Further, when an extra row is not desired, such a convertible row may be pushed flush against the back of the display fixture, while still attached, allowing the full depth of the row of the display fixture to be used. | 07-01-2010 |