Abstract: An air turbine starter for starting an engine includes a starter housing defining an inlet, an outlet, and a flow path extending between the inlet and the outlet. The air turbine starter can include a rotatable turbine member having a central hub defining a platform and at least one blade extending radially from the platform. The air turbine starter can also include a blade cutter.

Abstract: A turbine engine including an engine core, an engine drive shaft, an accessory gear box (AGB), an air turbine starter (ATS), and a bleed air circuit. The engine core has a fan section, a compressor section, a combustion section, and a turbine section in serial flow arrangement. The engine drive shaft operably couples the fan section, the compressor section, and the turbine section. The AGB and the ATS are operably coupled to the engine drive shaft.

Abstract: An air turbine starter for starting an engine includes a starter housing having an inlet, an outlet, and a flow path extending between the inlet and the outlet. The air turbine starter includes a rotatable turbine member having a central hub defining a platform and a set of blades extending radially from the platform. The air turbine starter also includes a damping member.

Abstract: An air turbine starter with a housing; a turbine member located within the housing; a drive shaft operably coupled to the turbine member, and having an interior portion. The air turbine starter output shaft extending between a first end and a second end, the output shaft movable between a first position, where the first end is coupled to the engine, and a second position, where the second end is retained within the interior portion and the first end is uncoupled from the engine. A decoupler assembly is included for decoupling the output shaft from the engine.

Abstract: An apparatus and method for a mandrel used during an electroforming process. The mandrel is formed of a structural wax and includes a metallic layer utilized to formulate a metal component. During the electroforming process, the mandrel is actively cooled utilizing a closed loop. The closed loop includes the mandrel and a heat exchanger through which a coolant flows.

Abstract: An air turbine starter having a housing defining an interior with a primary inlet and a primary outlet to define a primary air flow path from the primary inlet to the primary outlet. A nozzle is located within the interior and has circumferentially spaced vanes. A shroud is also located within the interior and circumscribes at least a portion of the vanes. A retention mechanism constrains the axial movement of nozzle.

Abstract: An air turbine starter that includes a housing. The housing can circumscribe a turbine coupled that is coupled to a gear train in a gear box via a drive shaft. The gear train can couple to an output shaft via at least a carrier. The air turbine starter can include at least a first bearing assembly and a second bearing assembly to rotatably support the drive shaft and the output shaft.

Abstract: A strengthened component includes a sacrificial material mold of the component having an outer surface, an insert having an inner surface and an outer surface opposite and spaced from the inner surface such that the strengthening insert inner surface abuts the mold outer surface, and a metallic layer deposited over the exposed mold outer surface and the exposed strengthening insert outer surface, where the sacrificial material mold is removed from the strengthened component.

Abstract: A cleaning system for an additively manufactured component includes a tank storing a cleaning fluid. A fluid circuit is operably coupled with the tank. A pump is coupled with the fluid circuit. A manifold is configured to receive fluid from the fluid circuit through the pump. At least one of a coupler defined by the manifold or a hose is coupled with the manifold. The at least one of the coupler defined by the manifold or the hose is further configured to couple with said additively manufactured component.

Abstract: A turbine engine including an engine core, an engine drive shaft, an accessory gear box (AGB), an air turbine starter (ATS) and a bleed air circuit. The engine core has a fan section, a compressor section, a combustion section, and a turbine section in serial flow arrangement. The engine drive shaft operably couples the fan section, the compressor section and the turbine section. The AGB and the ATS are operably coupled to the engine drive shaft.

Abstract: An air turbine starter for starting an engine, comprising a housing having an interior surface defining an interior, at least one turbine member rotatably mounted within the interior about a rotational axis, and having a plurality of circumferentially spaced blades, and a containment structure radially overlying and circumferentially surrounding the at least one turbine member extending between an outer surface and an inner surface to define a radial direction.

Abstract: An apparatus and method for determining a temperature in a system having an object, an optical sensor, and a gas flow passing between the object and the optical sensor, sensing, with the optical sensor, a wavelength emitted from the object and indicative of an attenuation, sensing, with the optical sensor, a wavelength emitted from the object and indicative of a temperature of at least one of the object or the gas; and calculating a temperature of the gas using the wavelengths.

Abstract: A gas turbine engine can include a compressor section, a combustion section, and a turbine section in serial flow arrangement. At least one of the combustion section or turbine section can have an exhaust gas passage. The turbine engine can also include an exhaust gas temperature sensor with a housing having an elongated probe portion. The elongated probe portion can have an outer wall bounding an interior. A temperature probe can be provided within the housing.

Abstract: An air turbine starter that includes a housing defining an interior having a primary air flow path. A rotatable turbine member located in the interior includes a plurality of circumferentially spaced blades that extend into the primary air flow path. A containment assembly couples to the housing and circumscribes at least a portion of the plurality of circumferentially spaced blades. The containment assembly includes a tube and a laminate.

Abstract: A method of electroforming a heat exchanger suitable. The method comprising providing a non-sacrificial carrier plate, providing a first sacrificial element and providing a second sacrificial element. The method comprising electroforming a duct over the first sacrificial element and electroforming a rail over the second sacrificial element. The method comprising removing the first sacrificial element and the second sacrificial element.

Abstract: An air turbine starter having a housing, a turbine, a drive shaft, and at least one vane. The housing having an inlet, an outlet and a curvilinear flow path extending between the inlet and the outlet. The at last one vane is located within a portion of the curvilinear flow path, and includes an outer wall extending between a root and a tip in a span-wise direction and between a leading edge and a trailing edge in a chord-wise direction. In one aspect, the vane is arranged to define an acute axial angle that is non-constant in the chord-wise or span-wise direction. In another aspect, the vane is arranged to define an acute tangential angle that is non-constant in the chord-wise or span-wise direction.

Abstract: An air turbine starter that includes a housing. The housing can circumscribe a turbine coupled that is coupled to a gear train in a gear box via a drive shaft. The gear train can couple to an output shaft via at least a carrier. The air turbine starter can include at least a first bearing assembly and a second bearing assembly to rotatably support the drive shaft and the output shaft.

Abstract: An air turbine starter with a housing; a turbine member located within the housing; a drive shaft operably coupled to the turbine member, and having an interior portion. The air turbine starter output shaft extending between a first end and a second end, the output shaft movable between a first position, where the first end is coupled to the engine, and a second position, where the second end is retained within the interior portion and the first end is uncoupled from the engine. A decoupler assembly is included for decoupling the output shaft from the engine.

Abstract: An air starter for an engine, such as a turbine engine, that includes a turbine for rotatably extracting mechanical power from a flow of fluid. The turbine includes a drive shaft that can be coupled to an output shaft to provide a rotational output. The interface between the drive shaft and the output shaft can be offset and include piloted portions.

Abstract: An apparatus and method of forming a heat exchanger includes forming a monolithic core body having a first set of flow passages and a core coefficient of thermal expansion, and additively manufacturing onto the monolithic core a first manifold defining a first fluid inlet for the first set of flow passages.