Abstract: A stationary component of a turbine section of a turbine engine system includes a hollow vane assembly with an interior rib separating a first interior compartment from a second interior compartment. The first and second interior compartments are configured to receive the cooling fluid. The cooling fluid is allowed to communicate between the first and second interior compartments. The stationary component also includes a diaphragm attached to the hollow vane assembly. The diaphragm is configured to receive the cooling fluid from the hollow vane assembly. The diaphragm includes a chamber and a tube extending through the chamber. The tube is configured to isolate the chamber from the cooling fluid while delivering the cooling fluid from the hollow vane assembly to the wheelspace area.

Abstract: A stationary component of a turbine section of a turbine engine system includes a hollow vane assembly with an interior rib separating a first interior compartment from a second interior compartment. The first and second interior compartments are configured to receive the cooling fluid. The cooling fluid is allowed to communicate between the first and second interior compartments. The stationary component also includes a diaphragm attached to the hollow vane assembly. The diaphragm is configured to receive the cooling fluid from the hollow vane assembly. The diaphragm includes a chamber and a tube extending through the chamber. The tube is configured to isolate the chamber from the cooling fluid while delivering the cooling fluid from the hollow vane assembly to the wheelspace area.

Abstract: An airfoil includes a leading edge, a trailing edge, a suction side and a pressure side; a plurality of internal cooling cavities extending radially within the airfoil, one of the plurality of internal cavities extending along the trailing edge. The trailing edge is provided with a plurality of coolant exit apertures extending therealong. A plurality of vortex generators is formed on an internal surface of at least one of the pressure and suction sides of the airfoil. The vortex generators are arranged in radially spaced relationship in one of the plurality of internal cooling cavities, extending substantially parallel to and in proximity to the plurality of coolant exit apertures.

Abstract: A cooling arrangement for a first stage nozzle of a turbine includes a slot formed in a forward face of the first stage nozzle, the slot opening in a direction facing a combustor transition piece and adapted to receive a flange portion of a seal extending between the first stage nozzle and the transition piece. The slot has a closed end formed with at least one cooling cavity provided with at least one cooling passageway extending between the cavity and an external surface of the first stage nozzle.

Abstract: An airfoil includes a leading edge, a trailing edge, a suction side and a pressure side; a plurality of internal cooling cavities extending radially within the airfoil, one of the plurality of internal cavities extending along the trailing edge. The trailing edge is provided with a plurality of coolant exit apertures extending therealong. A plurality of vortex generators is formed on an internal surface of at least one of the pressure and suction sides of the airfoil. The vortex generators are arranged in radially spaced relationship in one of the plurality of internal cooling cavities, extending substantially parallel to and in proximity to the plurality of coolant exit apertures.

Abstract: A cooling arrangement for a first stage nozzle of a turbine includes a slot formed in a forward face of the first stage nozzle, the slot opening in a direction facing a combustor transition piece and adapted to receive a flange portion of a seal extending between the first stage nozzle and the transition piece. The slot has a closed end formed with at least one cooling cavity provided with at least one cooling passageway extending between the cavity and an external surface of the first stage nozzle.

Abstract: A glass manufacturing system (100) is described herein that incorporates a liquid cooled bayonet (102) which functions to extract heat from a glass sheet (105) in order to reduce areas of stress in the glass sheet (105). In one embodiment of the present invention, the liquid cooled bayonet (102a) has one cooling section (304) with an uniform outside diameter and a uniform emissivity coating such that the heat extraction is mostly uniform from one end to the other end of the glass sheet (105). In another embodiment of the present invention, the liquid cooled bayonet (102b and 102c) has different cooling sections (404a . . . 404e and 504a . . . 504g) that have different outside diameters and/or different emissivity coatings which enables it to preferentially cool and reduce stress in different areas of the glass sheet (105).

Abstract: Pulling rolls (13) for glass ribbons (11) are provided. The rolls include a shaft (17), a plurality of heat-resistant discs (15) mounted on the shaft in face-to-face contact, and a pair of fittings (25 or 25,31) affixed to the shaft which apply an axial compressive force to the discs. The axial compressive force gives the portions (27) of the roll surface (33) which contact the glass ribbon during use a Shore D hardness at room temperature of between 30 and 55. The rolls achieve a long service life without applying excessive force to the glass ribbon or generating high levels of particulate contamination.

Abstract: Pulling rolls (13) for glass ribbons (11) and methods for manufacturing such rolls are provided. The rolls include a shaft (17), a plurality of heat-resistant discs (15) mounted on the shaft in face-to-face contact, and a pair of fittings (25 or 25,31) affixed to the shaft which apply an axial compressive force to the discs. The magnitude of the axial compressive force is adjust so that the portions (27) of the roll surface (33) which contact the glass ribbon during use have a Shore D hardness at room temperature of between 30 and 55. The rolls achieve a long service life without applying excessive force to the glass ribbon or generating high levels of particulate contamination.