Abstract: A thermocouple includes a first housing defining a first interior with an open end, a second housing having a first end and a second end, wherein the second housing is slidably coupled to the first housing with the first end residing within the first interior and the second end residing exteriorly of the first interior and a temperature sensing element, and a seal.

Abstract: An ignition lead in an engine for conducting a large current and high voltage ignition pulse from an exciter to an igniter, which may then transform the pulse received from the ignition lead into an electrical spark, which ignites a fuel and air mixture in the combustor of the engine. The ignition lead may include a construction for improved electromagnetic shielding.

Abstract: A discharge switch device is provided that includes a comparator portion, a temperature compensation diode, and a trigger portion. The comparator portion is configured to compare an input voltage value to a reference voltage value. The temperature compensation diode is configured to reduce variation of the reference voltage value. The trigger portion is configured to discharge stored energy when the input voltage value exceeds the reference voltage value.

Abstract: A circuit input protection device and methods of assembling the same are provided. The circuit input protection device includes a current limiting device configured to limit inrush current to a target circuit and a diode coupled to the current limiting device.

Abstract: An adaptor tool comprises a locking pin removably engaged with a main body defining a hook portion. The main body is configured to pivot about a pivot pin. The adaptor tool further includes a first link having first and second ends, and a first contact face. The first link is configured to receive the locking pin. A second link includes first and second ends, and a second contact face. The second link is pivotally coupled to the main body via the pivot pin. At least a third link includes first and second ends, and a third contact face. The first, second, and at least third links are pivotally coupled end-to-end such that the first, second, and third contact faces define a circular opening. The circular opening is configured to receive a workpiece such that rotational force applied to the main body rotates the adaptor tool and the workpiece.

Abstract: Methods of skiving metal using a skiving blade to form a shaving and methods of forming fins in a heat exchanger by skiving using a skiving blade. Where the metal body used to form the shaving or fin is made from a metal material having a hardness greater than that of aluminum.

Abstract: A method and a system for a mounting device are provided. The mounting device includes at least two shells, each shell having an inner surface and an outer surface wherein the outer surface includes a first banding zone, a second banding zone, and a clamping zone extending between the first banding zone and the second banding zone and a pair of shoulders bounding each of the first banding zone and second banding zone. The mounting device also includes an intermediary material circumscribing the wire bundle including at least one of a substantially non-porous material, a vulcanizing tape, and a silicone material. The mounting device further includes at least one fastener configured to engage the first banding zone or second banding zone to couple the first shell and the second shell to the wire bundle and the intermediary material.

Abstract: A method and apparatus for controlling fluid flow is provided. The valve assembly includes a valve body including a longitudinal axis and a radially inner internal flow passage extending axially between an inlet opening and an outlet opening, a disk selectively positionable to modulate a flow of working fluid through the flow passage, and a radially outer external surface. The valve assembly further includes a first actuator positioned radially outboard of the external surface, a second actuator positioned radially outboard of the external surface, and a first linkage including a first actuator end configured to couple to the first actuator, a second actuator end configured to couple to the second actuator, and a rod end configured to couple to the disk, wherein an actuating force applied from each actuator to each respective actuator end is combined through the first linkage to the rod end.

Abstract: A method of fabricating a connector assembly for connecting a wire to a device of a gas turbine engine is provided. The method includes providing a wire having a termination and providing a first shell having a first proximal end, a first distal end, and a first passage extending from the first proximal end to the first distal end. The method further includes coupling the first shell to the wire such that the wire extends into the first passage through the first proximal end, wherein the first shell is displaceable along the wire relative to the termination.

Abstract: An apparatus and assembly for an igniter is provided. The igniter includes a shell comprising a base, a tip surface, and a sidewall extending therebetween wherein the sidewall surrounds a cavity within the shell. The igniter also includes a shell bore extending from the tip surface to the cavity and a pin embedded into the tip surface extending substantially tangentially with respect to the bore.

Abstract: An apparatus for determining air temperature such as an air temperature sensor suitable for use on an aircraft, such as on an aircraft engine, and where the air temperature sensor may be exposed to adverse conditions including high Mach numbers and icing conditions as well as water and debris and be capable of providing accurate temperature readings.

Abstract: A method of assembling a heat exchanger in a gas turbine engine assembly is provided. The method includes providing a structural body including a wall having an elongated slot, providing a heat exchanger operably associated with a bracket, and providing a slip joint for coupling the bracket to the structural body. The slip joint includes a standoff, an elongated member, and a biasing member disposed about the elongated member. The standoff is inserted through the wall so that the biasing member imparts a predetermined biasing force between the bracket and the structural body. The slip joint allows relative sliding movement between the bracket and the structural body when a sliding force due to thermal expansion or contraction is greater than the biasing force.

Abstract: Methods of skiving metal using a skiving blade to form a shaving and methods of forming fins in a heat exchanger by skiving using a skiving blade. Where the metal body used to form the shaving or fin is made from a metal material having a hardness greater than that of aluminum.

Abstract: A thermocouple includes a first housing defining a first interior with an open end, a second housing having a first end and a second end, wherein the second housing is slidably coupled to the first housing with the first end residing within the first interior and the second end residing exteriorly of the first interior and a temperature sensing element, and a seal.

Abstract: An apparatus for determining air temperature such as an air temperature sensor suitable for use on an aircraft, such as on an aircraft engine, and where the air temperature sensor may be exposed to adverse conditions including high Mach numbers and icing conditions as well as water and debris and be capable of providing accurate temperature readings.

Abstract: Methods of forming a heat exchanger from a metal body made from a material having a melting temperature greater than 660° C. with the metal body having opposing first and second surfaces and at least one fluid passageway formed in the metal body so that fluid may be passed through the fluid passageway and heat from the fluid may be dissipated through a plurality of fins.

Abstract: A spring assembly having a bushing, a bolt having a head and a shank that may be received within the bushing, a first spring bearing surface, a second spring bearing surface, and a spring located between the first and second spring bearing surfaces and bearing against each of the first and second spring bearing surfaces.

Abstract: An ignition lead in an engine for conducting a large current and high voltage ignition pulse from an exciter to an igniter, which may then transform the pulse received from the ignition lead into an electrical spark, which ignites a fuel and air mixture in the combustor of the engine. The ignition lead may include a construction for improved electromagnetic shielding.

Abstract: A heat exchanger having a metal body with a plurality of fluid passages extending through the metal body, and a plurality of fins skived from the upper surface of the metal body of the heat exchanger and a method of forming the plurality of fins in the metal body of the heat exchanger.

Abstract: A method and an assembly for sensing a process parameter are provided. The sensor assembly includes a base, a pedestal including a body extending between a leading edge and a trailing edge in a direction of fluid flow past the body, a first edge of the pedestal coupled to the base, a second edge opposes the first edge. The sensor assembly also includes an airfoil extending from the pedestal, a leading edge of the airfoil aligned with the leading edge of the pedestal, the airfoil extending in a direction of a flow of fluid along the second edge. The sensor assembly further includes a sensor element extending from the second edge spaced apart from the airfoil by a first gap, and a shield at least partially surrounding the sensor element, the shield spaced apart from the airfoil by a second gap defining a fluid flow inlet to the sensor element.