Abstract: A gas turbine engine includes a first component, a second component, an anti-rotation tab, and a liner. The first component has a first wall that includes a first slot, and the second component has a second wall that includes a second slot that is in register with the first slot to define a groove. The anti-rotation tab extends into the groove and limits rotation of the first component and the second component. The liner lines the groove to limit wear between the anti-rotation tab and the first component and between the anti-rotation tab and the second component.

Abstract: A gas turbine engine includes a plurality of ceramic matrix composite (CMC) arc segments arranged in a row. There is a leak path through which gas from the engine core gas path can bypass an axial section of the engine core gas path. A CMC strip is disposed at the inter-segment interface between CMC arc segments to block the leak path and reduce leakage of the gas.

Abstract: A heat shield includes a first wall defined between a first end and a second end; a second wall defined between the first end and the second end, the second wall connected to the first wall at the first and second ends; a space defined between the first wall and the second wall; and thermal insulation disposed in the space. A gas turbine engine and a method of installing a heat shield in a gas turbine engine are also disclosed.

Abstract: A gas turbine engine includes a turbine section that has inner and outer diameter full hoop ceramic support rings that define an annulus there between and ceramic vane arc segments disposed in the annulus. Each segment has radially outer and inner platforms and an airfoil section. The radially outer platform includes an outer platform flange. The radially outer full hoop ceramic support ring axially constrains each of the ceramic vane arc segments via the outer platform flanges, and the radially outer diameter full hoop ceramic support ring radially constrains each of the ceramic vane arc segments at a location adjacent an axially-facing trailing side of the radially outer platform. The radially inner diameter full hoop ceramic support ring radially constrains each of the ceramic vane arc segments at a location adjacent the axially-facing leading side of the radially inner platform.

Abstract: A gas turbine engine includes a first component, a second component, an anti-rotation tab, and a liner. The first component has a first wall that includes a first slot, and the second component has a second wall that includes a second slot that is in register with the first slot to define a groove. The anti-rotation tab extends into the groove and limits rotation of the first component and the second component. The liner lines the groove to limit wear between the anti-rotation tab and the first component and between the anti-rotation tab and the second component.

Abstract: Described is an extraction device for extracting compounds from plant material and a method for using such an extraction device. The extraction device comprises an extraction tank receiving plant material and dissolving soluble compounds inside the plant material into a solvent to form a micelle. A series of fluidly connected separation chambers separate purified compounds from the micelle, resulting in purified compounds in each of the separation chambers and solvent. A heat exchanger and a chilled reservoir are used for cooling and storing the solvent. A pump is used for pumping and circulating the solvent into the extraction device. Finally, a control system automatically controls temperature and flow in the extraction device.

Abstract: A vane assembly includes an airfoil extending from a platform. The platform has a flange that extends radially outward and circumferentially across the platform. A vane cover is arranged adjacent the platform that defines an impingement gap between the platform and the vane cover. The vane cover has a wall that defines a slot. The flange is arranged at least partially within the slot.

Abstract: A vane system includes a plurality of vane assemblies and a continuous support ring. The vane assemblies are arranged circumferentially about an axis and each include a hollow airfoil fairing and a spar. The spar has a spar flange and a spar leg extending radially inwardly from the spar flange and through the hollow airfoil fairing. The continuous support ring has radially inner and outer sides and defines a circumferential row of through-holes between the radially inner and outer sides. The spar legs extend through the through-holes and the spar flanges are affixed at the radially outer side of the continuous support ring.

Abstract: A seal system includes a ceramic component that has a non-core-gaspath surface region that defines a first surface roughness and a core gaspath surface region. A metallic component is situated adjacent the non-core-gaspath surface region. A coating system is disposed on the ceramic component. The coating system includes a silicon-containing layer on the non-core-gaspath surface region and a barrier layer that has a first section on the silicon-containing layer and a second section on the core-gaspath region and that is connected to the first section. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The first section is in contact with the metallic component and the second section serves as an environmental barrier on the core-gaspath region.

Abstract: In accordance with at least selected embodiments, a battery separator or separator membrane comprises one or more co-extruded multi-microlayer membranes optionally laminated or adhered to another polymer membrane. The separators described herein may provide improved strength, for example, improved puncture strength, particularly at a certain thickness, and may exhibit improved shutdown and/or a reduced propensity to split.

Abstract: The embarrassment of passing gas in public is ubiquitous. One solution is to wear a filter underwear that is generally constructed with a single ply of underwear side panels that are separated by an activated carbon center panel. The activated carbon center panel is attached to an elastic waistband at the underwear back and where the activated carbon center panel traverses between two leg openings to the waistband at the underwear front. The center panel is constructed with a five-ply activated carbon fabric that is sandwiched between cotton fabric, which is sandwiched between bamboo fabric. The five-ply center panel is greater than 1 mm thick to provide filtering capabilities to sufficiently reduce the odor of flatulence to an acceptable level that is not readily detected by a person close by.

Abstract: A vane system includes a plurality of vane assemblies and a continuous support ring. The vane assemblies are arranged circumferentially about an axis and each include a hollow airfoil fairing and a spar. The spar has a spar flange and a spar leg extending radially inwardly from the spar flange and through the hollow airfoil fairing. The continuous support ring has radially inner and outer sides and defines a circumferential row of through-holes between the radially inner and outer sides. The spar legs extend through the through-holes and the spar flanges are affixed at the radially outer side of the continuous support ring.

Abstract: A method and associated system for matching and delivering digital work metadata to one or more digital service providers including modifying one or more digital work metadata files, which includes removing non-critical data or segment-erroneous data or performing a language translation; reformatting the one or more digital work metadata files for compatibility with a transformer model-based AI matching operation; performing a block grouping operation on the one or more digital work metadata files, where data associated with the one or more digital work metadata files is grouped in blocks and analyzed for one or more pairs of data records; performing the transformer model-based AI matching operation to determine whether each pair of the one or more pairs of data records comprise a matching pair of data records; and transmitting output data from the transformer model-based artificial intelligence matching operation to the one or more digital service providers.

Abstract: Shoe insert devices that absorb shock and that redistribute forces within a user's foot and/or knee during use are disclosed. The shoe insert devices comprise a hindfoot insert portion configured to be positioned within a shoe and extend beneath a hindfoot portion of a sole of a foot of the user with a top side of the hindfoot insert portion facing the sole. The hindfoot insert portion is resilient at least in a thickness direction extending between the top and bottom sides thereof. The hindfoot insert portion comprises a fascia projection extending upwardly from the top surface positioned medially between medial and lateral sides of the hindfoot insert portion and being spaced distally from the proximal end, and a lateral projection extending at least one of upwardly from the top surface and downwardly from the bottom surface positioned proximate to the lateral side and distal to the fascia projection.

Abstract: A seal system includes a ceramic component that has a non-core-gaspath surface region that defines a first surface roughness and a core gaspath surface region. A metallic component is situated adjacent the non-core-gaspath surface region. A coating system is disposed on the ceramic component. The coating system includes a silicon-containing layer on the non-core-gaspath surface region and a barrier layer that has a first section on the silicon-containing layer and a second section on the core-gaspath region and that is connected to the first section. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The first section is in contact with the metallic component and the second section serves as an environmental barrier on the core-gaspath region.

Abstract: An airfoil for a gas turbine engine includes a fiber-reinforced laminate composite airfoil fairing that defines a platform that has first and second radial sides, an airfoil section that extends off of the first radial side, and a branched flange that extends off of the second radial side. The branched flange includes a trunk that radially extends off of the second radial side and at least one branch that extends off of the trunk.

Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a first side plate, a second side plate and a backing plate that extend circumferentially about an assembly axis. A first brush seal and a second brush seal are positioned on opposite sides of the backing plate such that the first brush seal is between the first side plate and the backing plate and such that the second brush seal is between the second side plate and the backing plate. The first brush seal is dimensioned to establish a first sealing relationship with a first gas turbine engine component. The second brush seal is dimensioned to establish a second sealing relationship with a second gas turbine engine component. A method of assembly is also disclosed.

Abstract: A seal system includes a ceramic component, a metallic component, a silicon-containing layer, and a barrier layer. The ceramic component has a first surface region that defines a first surface roughness. The metallic component is situated adjacent to the first surface region and has a second surface region facing the first surface region. The silicon-containing layer is on the first surface region of the ceramic component and has a contact surface that defines a second surface roughness which is less than the first surface roughness. The barrier layer is on the metallic component and in contact with the silicon-containing layer and serves to limit interaction between silicon of the silicon-containing layer and the metallic component. The barrier layer includes at least one of alumina or MCrAlY.

Abstract: A vehicle automated unloading system may include a fill model and an unloading controller. The fill model is a model of a fill characteristic of a container as a function of variables comprising material unloading times, material unloading rates and material unloading locations. The unloading controller is to (a) determine a current model-based fill characteristic of the container using the dynamic fill model and (b) output control signals to adjust at least one of a material unloading time, a material unloading rate and a material unloading location based upon the current model-based fill characteristic of the container.

Abstract: An assembly includes first and second core gaspath walls. Each of the core gaspath walls defines a core gas path side and a non-core gas path side. The first and second core gaspath walls are arranged next to each other and define a gap therebetween. There is a seal arranged on the non-core gas path side that bridges over the gap to seal the gap. A spring device has a plurality of spring elements. The spring elements bias the seal against the non-core gas path sides of the first and second core gaspath walls.