Abstract: Aircraft turbine engines are controlled by complex electronic devices such as FADEC and PSS units. These devices can be adversely impacted by the engine environment including the condensing of evaporated water. Aspects of the present disclosure include unique heat exchangers to control the temperature of these electronic devices to assure their proper operation.

Abstract: A fan casing assembly for a turbine engine including a fan casing having a peripheral wall, a surface cooler having a first surface confronting the peripheral wall and a mounting assembly having a lower portion generally retained between the first surface of the annular surface cooler and the peripheral wall and having a floating body extending through the set of fan casing fastener openings and an upper portion located radially exterior of the annular fan casing and operably coupled to the lower portion.

Abstract: A heat exchanger circuit can include a heat exchanger having a body with a plurality of cooling fins for the heat exchanger, a plurality of core cooling channels within the body, a plurality of de-congealing channels in fluid communication with the plurality of core cooling channels, and a by-pass valve in fluid communication with the plurality of core cooling channels and the plurality of de-congealing channels.

Abstract: An apparatus and method for cooling a fluid within a turbine engine. A fan casing assembly for the turbine engine can include an annular fan casing with a peripheral wall having a flow path defined through the casing. A fan casing cooler includes a body to confront the peripheral wall with at least one conduit configured to carry a flow of heated fluid to convectively cool the heated fluid with a flow of air through the flow path.

Abstract: Aircraft turbine engines are controlled by complex electronic devices such as FADEC and PSS units. These devices can be adversely impacted by the engine environment including the condensing of evaporated water. Aspects of the present disclosure include unique heat exchangers to control the temperature of these electronic devices to assure their proper operation.

Abstract: A fan casing assembly for a turbine engine including a fan casing having a peripheral wall, a surface cooler having a first surface confronting the peripheral wall and a mounting assembly having a lower portion generally retained between the first surface of the annular surface cooler and the peripheral wall and having a floating body extending through the set of fan casing fastener openings and an upper portion located radially exterior of the annular fan casing and operably coupled to the lower portion.

Abstract: A surface cooler having a first cooling passage section configured to be operably coupled to a fan casing of an aircraft engine, the cooling passage section having a heat exchanger body defining a first distal end and a second distal end and having a set of fluid passages internal to the heat exchanger body and a first set of fins located on a first exterior surface of the heat exchanger body and a manifold operably coupled to a first distal end of the cooling passage section and wherein the manifold includes a manifold body having an interior fluidly coupled to at least one of the set of fluid passages and a second set of fins located on the manifold body to define a finned manifold and a method for forming same.

Abstract: A method and assembly for conveying heat from a heat exchanger having a housing defining a fluid pathway including at least one fluid passageway leading from an inlet port of the heat exchanger to an outlet port of the heat exchanger, the housing have a first side and a second side, opposite the first side where the housing includes at least one aperture extending through the housing from the first side to the second side and where the aperture is fluidly separate from the fluid pathway and heat from liquid flowing through the fluid pathway is transferred via at least one of conduction or convection to the housing.

Abstract: A method and assembly for conveying heat from a heat exchanger having a housing defining a fluid pathway including at least one fluid passageway leading from an inlet port of the heat exchanger to an outlet port of the heat exchanger, the housing have a first side and a second side, opposite the first side where the housing includes at least one aperture extending through the housing from the first side to the second side and where the aperture is fluidly separate from the fluid pathway and heat from liquid flowing through the fluid pathway is transferred via at least one of conduction or convection to the housing.

Abstract: A heat exchanger circuit can include a heat exchanger having a body with a plurality of cooling fins for the heat exchanger, a plurality of core cooling channels within the body, a plurality of de-congealing channels in fluid communication with the plurality of core cooling channels, and a by-pass valve in fluid communication with the plurality of core cooling channels and the plurality of de-congealing channels.

Abstract: A fan casing assembly for a turbine engine including a casing having an annular fan cooler. The annular fan cooler includes first and second connection assemblies to fix movement of the fan cooler during engine operation, while permitting circumferential thermal growth of the fan cooler without suffering from high cycle fatigue.

Abstract: A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.

Abstract: A method of forming fins in a heat exchanger includes using a stacked slit saw with multiple saw blades to simultaneously cut multiple fins into a metal body of the heat exchanger, with each fin having a body extending from an upper surface of the metal body and terminating in a tip.

Abstract: A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.

Abstract: An apparatus and method for cooling a fluid within a turbine engine. A fan casing assembly for the turbine engine can include an annular fan casing with a peripheral wall having a flow path defined through the casing. A fan casing cooler includes a body to confront the peripheral wall with at least one conduit configured to carry a flow of heated fluid to convectively cool the heated fluid with a flow of air through the flow path.

Abstract: An apparatus and method for cooling a fluid within a turbine engine. A fan casing assembly for the turbine engine can include an annular fan casing with a peripheral wall having a flow path defined through the casing. A fan casing cooler includes a body to confront the peripheral wall with at least one conduit configured to carry a flow of heated fluid to convectively cool the heated fluid with a flow of air through the flow path.

Abstract: A fan casing assembly for a turbine engine including a casing having an annular fan cooler. The annular fan cooler includes first and second connection assemblies to fix movement of the fan cooler during engine operation, while permitting circumferential thermal growth of the fan cooler without suffering from high cycle fatigue.

Abstract: A heat exchanger assembly comprises a heat exchanger body including a first fluid circuit and a second fluid circuit. The first circuit includes a first bypass valve in flow communication with a first fluid circuit inlet channel. The first fluid circuit also includes a plurality of cooling channels in flow communication with the first bypass valve. The first bypass valve is configured to channel a first fluid to the plurality of cooling channels during a first mode of operation to facilitate reducing a temperature of the first fluid. The second fluid circuit includes a second bypass valve configured to facilitate a flow of a second fluid through at least a portion of the heat exchanger body during the first mode of operation.

Abstract: A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.

Abstract: A heat exchanger is described which conforms to external surface contours of an aircraft, such as an airplane or a helicopter, having a turbo-prop assembly. The heat exchanger is provided to cool engine fluids, which rise in temperature during engine operation.