Abstract: A joint cover includes rails attached to the right and left building portions adjacent sides of the joint parts between the right and left building members. At least two or more support members are disposed across a joint gap at a sloping state, both ends thereof being supported movably by the rails attached to the side walls pairs. A plurality of support bars for retaining joint plates is provided pivotably at a fixed interval on the support members. The plurality of joint plates is attached to the support bars respectively, each joint plate being overlapping at a fixed width and being maintaining a overlapping state when the width of the joint gap between the two building members expands or contracts, so that the transportation and assembly operation can be done efficiently, and the joint cover can move smoothly following swing and oscillation movement due to earthquake, or the like.

Abstract: A contoured roof ventilation system having a strip with an air-permeable portion located adjacent to a ridge slot. Stand-off clips are provided which can be placed over the air-permeable strip at fastener locations which are located on flat portions of the roof panels. A sealing material may be placed beneath the air-permeable strip at such fastener locations to prevent the ingress of moisture beneath the panels.

Abstract: An elongate gasket material for sealing a skylight to a curb has a substantially constant cross-sectional shape and dimensions along its length, and one or more compliant members extending therefrom to the skylight and curb. The compliant members are adapted to accommodate a predetermined range of spacings between the skylight and the curb. The compliant members are angled with respect to their points of contact with the skylight and the curb so that wind pressure applied to the compliant members increases the effectiveness of sealing.

Abstract: The present invention is a log panel system for constructing buildings using prefabricated panels made of full size logs. The log panel system includes log panels and fasteners. The log panels can be pre-built at a factory and assembled into a building at the site where the building is to stand. Each log panel is made from individual logs fastened together. Each log has a two sides, two ends, a top and a bottom. The top and bottom of all of the logs are flat surface, whereby the top includes a tongue extending upward from the log and the bottom includes a groove to receive the tongue of another log. The log panel is formed by placing a first log to receive a second log. The second log is placed on top of the first log such that the groove of the second log fits over the tongue of the first log, in order to provide the beginning of an assembly of logs to form the log panel.

Abstract: A modular temporary barrier system includes a plurality of panel members having adjoining edges. Each panel member comprises a foam core and exterior sheathing disposed thereon. Connecting structure associated with the panels is constructed and arranged to removably connect adjoining edges of adjacent panel members to one another, such that connected panel members together form a wall. In preferred embodiments of the invention, each panel member and two one-piece corner members each comprise a foam core and exterior sheathing disposed thereon. Each corner member can be removably connected to a respective end of the wall. In other preferred embodiments of the invention, the modular barrier system can further include two side panel members, each side panel member being able to connect to a respective end of the wall such that the wall is self-supporting.

Abstract: A nonload bearing partition wall including spaced apart wood top and bottom plates and a plurality of metal studs bridging the top and bottom plates. The metal studs have U-shaped rectangular cross section with two parallel spaced apart side walls and a central web bridging the side walls and connected to one edge of each of the side walls. The central web has an extension on each end thereof. The extensions are contained within the slots of the top and bottom plates the slots of the top and bottom plates having a depth less than one half the height of the edge of the top and bottom plates. One of the sidewalls has a first extension extending from either end over and attached to the edge of the top and bottom plates. The second side wall has second extensions extending from either end perpendicularly inwardly from the side wall to lie over and be attached to the inner face of the top and bottom plates.

Abstract: A building panel, such as a flooring panel or wall panel and a method of assembling the same into a floor, wall cladding, etc. The panel is provided with a locking means in the form of groove (6) and tongue (7) forming a tongue/groove joint for assembling of the panels. In a preferred embodiment, the groove (6) and the tongue (7) are made of water resistant material and formed with a snap-together joint.

Abstract: A wall reinforcing method including reinforcing members adhered to the wall. The reinforcing members are either pre-cured composite plates or composite members formed in situ, that is, a fabric of reinforcing fibers that is saturated with an adhesive to form the matrix of the composite and to adhere the reinforcement to the wall. The in situ members are either strips of fabric or wide sheets that cover most of the wall. The spacing of the reinforcing members is determined, in one embodiment, by an array of spacing distances. The array, which is preferably in table form, is consulted by the installer who first measures some of the wall parameters and environmental characteristics.

Abstract: A frame clamp for an anchor strap assembly (10) for a manufactured home (70) having a frame member (74), such as an I-beam (75), and supported above ground (99), such as by piers (91). Anchor strap assembly (10) includes elongate anchor strap (30) connecting a ground anchor (20) to frame clamp (40). Ground anchor (20) includes head (22) fixed near ground (99) to the side of beam (75). Clamp (40) attaches top end (34) of strap (30) to beam (75) and comprises stationary jaw (42) and movable jaw (60) joined such that movable jaw (60) to which strap (30) is attached is pivotable about axis (58) perpendicular to the plane of strap (30) and such that movable jaw (60) is hinged such that tensioning strap (30) clamps beam (75) between jaws (42,61). Clamp (40) is easily attached and prevents strap breakage during home movement such as during an earthquake or storm.

Abstract: A structural building system including an improved, structural-load-bearing building component, such as a building panel, having front and back sections, an insulating core, integral symmetrical joinery, a thermal break, and at least one shear resistance connector. The panel is asymmetrical about one axis, and is designed to be directionally positioned with respect to the maximum anticipated force. A shear resistance connector array may be positioned between the front and back sections or may be integral to the front or back section. A face sheet may span one or more than one building panel, and provides structural support to the building system.

Abstract: The present invention relates to an insulated roofing system comprising a closed cell foamed in place insulation applied over the roof deck or existing substrate. In the preferred embodiment the foamed in place insulation is selected from foamed synthetic resins made of polystyrene, polyethylene, acrylic resin, phenol resin, urea resin, epoxy resin, diallylphthalate resin, urethane resin and the like. The preferred foamed in place insulation is a urethane foam. A rubber membrane is fully adhered over the insulation by an adhesive. The rubber membrane is selected from natural or synthetic rubbers such as styrene-butadiene rubber, acrylonitrile-butadiene rubber, chloroprene rubber, butadiene rubber, isoprene rubber, butyl rubber, ethylene-propylene rubber, ethylene-propylene diene mar (E.P.D.M.), polyisobutylene, styrene-butadiene-styrene block copolymer, styrene-isoprene-styrene block copolymer, chlorinated polyethylene, ethylene-vinyl acetate copolymer and the like either alone or in combination.

Abstract: A non-absorbent, compressible joint forming device fabricated from closed cell, low density polyethylene foam material and used in expansion or contraction joints and isolation joints of sidewalks, driveways, highways, runways, parking decks an other applications where concrete slabs are used, comprising: a retained base for allowing expansion, contraction, and isolation of said joints wherein said non-absorbent, compressible base material is retained in said construction application and a tear-off strip wherein frangible bridges across said material thickness spaced in a predetermined manner along the length of said joint forming system are the means whereby said retained base and said tear-off strip are held together during a construction application, and a non-absorbent reservoir for sealant deposition when said tear-off strip is removed.

Abstract: Removal wall system of the type comprising at least one panel and at least one panel fixing stud 1. The stud is a hollow section having a rectangular cross section provided with two pairs of symmetrical ribs 6 to 9 disposed at the extremities of the longer sides 2, 3 and extending parallel to the shorter sides 4, 5, panel fixing means being formed integrally with the section.

Abstract: The specification discloses an outdoor deck surface unit in which a plurality of boards, suitable for outdoor use, are secured to an underlying substrate. The deck units cover an area of from about 2 to about 6 square feet, such that they are large enough that an entire deck surface can be created relatively quickly, but are sufficiently small that a deck surface unit can be readily lifted, moved, placed and handled by a single individual.

Abstract: The flooring includes a treading layer extending in a given plane, and supporting formations extending from the treading layer along respective directions of extension, in which at least some of the supporting formations extend with their respective direction of extension, which is oblique with respect to the given plane of the treading layer. The supporting formations include first supporting formations in the form of a first array of ribs, which are substantially parallel to one another and extend from said treading layer with their respective directions of extension, which are oblique with respect to the given plane of the treading layer, and second supporting formations include a second array of ribs, which extend from the treading layer in a substantially orthogonal direction with respect to the given plane of the treading layer and are set crosswise with respect to the first array of ribs.

Abstract: There is provided a hip, ridge, or rake shingle, which includes a shingle panel and at least one rigid back member. The shingle panel has a substantially planar lower surface. The at least one rigid back member has a length substantially the same as or greater than the length of the shingle panel. The rigid back member is attached to the substantially planar lower surface of the shingle panel. the rigid back member includes a step in thickness in a cross-sectional plane perpendicular to the substantially planar lower surface and parallel to the longitudinal axis of the rigid back member. In addition, the thickness of the rigid back member at the high level of the step is greater than the thickness of the rigid back member at one of its ends. There is also provided an asphaltic adhesive including from about 62% to about 99% by weight of an asphalt cement; from about 0.5% to about 15% by weight of a first thermoplastic having a glass-transition temperature in the range from about 190° F.

Abstract: A flooring assembly and fastener therefor comprises flooring planks, preferably made of recycled lumber, and a clip fastener arranged between opposing longitudinal edges of the planks. The planks, in one embodiment, use tongue and groove construction. The clip is Z-shaped in cross section, one end portion of the clip catching the groove of a plank with the other end portion acting as a base for fastening to the joist. The clip fasteners are spaced along each joint and adjacent joints to retain the planks on the joists while permitting the planks to expand and contract at rates different than the joists themselves.

Abstract: A joist support system and apparatus. The system may include a joist rim that has at least one attachment tab integrally formed therein to facilitate attachment of a joist to the joist rim. Reinforcing ribs are preferably provided adjacent the attachment tabs for providing desired structural integrity to the attachment tab connection. The system may also include a C-shaped joist that has a plurality of oval-shaped openings therein to enable components such as ducts, wires, piping, etc. to pass therethrough. The joists may also be provided with a plurality of mounting holes that are adapted to accommodate wire retainer members for supporting insulation between respective joists. The system may also include preformed blocking members that are sized to extend between adjacent joists and be attached thereto to provide lateral support to the joists.

Abstract: A spacer bar for use in connection with support building components at predetermined intervals relative to each other. The spacer bar may be used in connection with building components fabricated from wood, metal, etc. and includes at least two pair of clamping tabs for engaging and retaining the components in the desired position.

Abstract: Architectural units having radiused wall corners are constructed with solid surfacing material (SSM) such as Corian. Cove moldings are formed from SSM sheet strips comprising an elongated cove form flanked by elongated rabbet channels. In a table jig, an SSM wall sheet edge is adhesively secured into one of the cove molding rabbet channels. The cove mold and wall sheet unit is secured to the desired architectural wall with the other cove molding rabbet channel mated to an SSM wall sheet edge respective to an adjacent architectural wall. Clamping blocks secured to respective wall sheet and cove mold surfaces by hot melt adhesive are drawn together along the correct vector to adhesively bond each wall sheet edge into a respective rabbet channel.

Abstract: A panel for raised floors, which comprises: a box-like element made of metallic material, which forms a bottom and side walls with first edges which are folded outwards and is meant to contain a body made of filler material; and a covering element. The covering element also is made of metallic material, is flat, is larger than the dimensions of the box-like element and has second edges which are folded a first time around the first edges of the box-like element. The first and second edges of the box-like element and, respectively, of the covering element are folded together a second time along the side walls, so as to be arranged laterally thereto in order to reduce the dimensions of the panel and increase its loading strength along its sides.

Abstract: A sleeve used to wrap items such as potted plants or comestibles. The sleeve has a closed curved bottom. The sleeve may also have an expansion element such as a gusset, pleats, random folds or elastic material for enabling the lower portion of the sleeve to conform to the outer and bottom surfaces of the pot to provide a decorative cover about the pot. The sleeve optionally has a detachable upper portion.

Abstract: A sticky element, comprising a sticky element having an insect-attracting color and an insect-attracting scent, the sticky element comprising sufficient sticky qualities to cause an insect to become permanently attached to the sticky element when any portion of the insect contacts with the sticky element, the sticky element adaptable to being disposed upon a surface. The surface may comprise a wrapping material, a flower pot cover, a flower pot, a floral arrangement, or other surface. When the sticky element is disposed on a wrapping material, the wrapping material is used to wrap a floral arrangement or decoratively cover a flower pot.

Abstract: A method and apparatus for automatically installing in tandem pairs of protective covers to adjacent corners of a rectangular picture frame, to protect the corner during shipment, includes a pair, e.g., right and left of substantially identical corner protector installation mechanisms oriented at ninety degrees with respect to one another and mounted on a supporting frame laterally spaced apart at a distance adjustable to accommodate frames of various widths. Each mechanism has a work table which supports a pair of mutually perpendicular, non-intersecting, vertically disposed, longitudinally elongated guide plates which support on the upper surfaces thereof, near inner diagonally cut transverse vertical end walls of the plates, a clamp support beam member, a lower surface of which define with inner sides of the guide plates and the work table surface a diagonally disposed frame corner entrance opening.

Abstract: An automatic bulk filling machine is provided having a container input end which includes a fill station for filling a container in accordance with weight or volume requirements followed by a lid dispensing and attachment station wherein the lids of the container are placed over the container in registry with the lip of the container and closed onto the bulk container by a piston cylinder combination having a lid pad for pressing and deforming the center of the lid onto the bulk container before press fitting the bulk container lid onto the bulk container which filled and sealed bulk container is then transferred to an optional labeling station and subsequently transferred to the output end of the conveyor to complete the automated filling, sealing and labeling operations for removal of the container from the automated bulk filling machine.

Abstract: This invention concerns a stabilized packaging environment for a particulate vinyl lactam polymer, particularly polyvinylpyrrolidone particles, which comprises a sealed, oxygen-impervious receptacle containing the polymer particles and a separate air permeable package within the receptacle containing a water moistened oxygen scavenging agent, preferably iron powder, an iron (II) salt, ascorbic acid or a mixture of such agents.

Abstract: A case developing machine 1 comprises a case unloading device 3 that unloads a closed case 10 from a case stacking station 2, a case opening device 4 that opens and develops an unloaded case 10, and an insertion space forming device 5 that forms an insertion space of rhombic cross section for a title sheet between a case body 11 and a cover 12. The case opening device 4 includes a suction cup 47 holding the back of a case 10, at least one pair of suction cups 43, 44 holding the front face and the rear face of a case 10, respectively, and a pair of claw members 45, 46 engaging with the end face of a case body 11. The insertion space forming device 5 includes a pair of contact members 51 that maintain the opened case body 11 in the reversed V-shaped cross section, and a suction cup 52 that maintains the cover 12 in the general V-shaped cross section.

Abstract: A wire rope (10) includes a plurality of strands (12). The strands are formed from individual wires or filaments (14). The strands are wound about a central axis. A conduit (16) also extends along said central axis. The conduit has walls that are foraminous and permit radial flow of a lubricant. The lubricating compound is injected into the channel (18) defined by the conduit. The lubricating material migrates through the orifices in the conduit wall and radially outwardly therefrom.

Abstract: To improve the breaking of a roving between a pressing finger bed and a fully wound bobbin preliminary to a bobbin change, the roving is initially wound around the tube above the upper cone and an unwound roving reserve is formed from at least a half turn on the upper winding cone and the body. A false twist is generated to provide a weakened region so that the roving has a first segment extending from the upper edge of the upper winding cone to the lower edge thereof, a second segment extending to the weakened zone and a third segment extending from the weakened zone to the pressing finger bed. The false twist increases the number of twists per unit length in the first segment and decreases the number of twists per unit length in the second and third segments. The pressing finger is moved along the bobbin periphery and the roving is broken at the weak spot by further movement of the pressing finger relative to the bobbin.

Abstract: A link assembly for a band comprising a first segment pivotably connected to a second segment by a connecting pin. Each segment contains an extension portion and a receiver portion. The receiver portion includes a receiving area defined by two spaced apart parallel arms, with each arm having a co-axially aligned opening. The extension portion is appropriately sized to fit between the spaced apart parallel arms. The extension portion contains a transverse opening that is co-axially aligned with the parallel arm openings. A spring tube is inserted inside the transverse opening to provide a locking mechanism to prevent the pin from disengaging from the link assembly.

Abstract: In a general power system, a thermal engine having a thermal energy source with a compressor and turbine combination operating in a Brayton cycle with the compressor being driven by an electrical motor and the turbine driving a generator, the compressor compressing the motive gas which is thermally heated by the thermal energy source and the heated gas expanding in the turbine.

Abstract: Provided is an engine having positive displacement chambers containing pistons and an external combustion chamber which utilizes the energy stored in compressed fuel and compressed air in combination with the energy released during combustion of the fuel to drive the pistons. Energy expended compressing the fuel and air are recovered.

Abstract: A liner for a gas turbine engine is provided that includes a first liner section and a second liner section. The first liner section includes a first flange having a first contact surface. The second liner section includes a second flange having a second contact surface and a plurality of apertures. The first and second flanges axially overlap one another, and in a circumferential liner the second flange is disposed radially outside of the first flange. A channel is formed by the two liner sections that is open to the core gas path. In a first position, the first flange axially overlaps the second flange by a first distance and the apertures are misaligned with the first flange and disposed within the channel. Cooling air entering apertures within the second flange subsequently passes into the channel. In a second position, the first flange axially overlaps the second flange by a second distance.

Abstract: A diverging ring is displaceable between a retracted position in which it surrounds a first portion of a diverging part and a deployed position in which it is connected to a downstream end of the first portion. A deployment mechanism causes the diverging ring to move from its retracted position to its deployed position under drive from an actuator. A temporary structure, or “insert”, is placed inside the diverging ring so as to transform the diverging section thereof into a non-diverging section, at least over the major portion of the length of the diverging ring, the insert being eliminatable on or after the diverging ring coming into its deployed position.

Abstract: A method and apparatus for determining the capacity of a trap to store NOx based on the change in oxygen storage in the trap occurring as a result of sulfation of the trap.

Abstract: A breather gas outlet has an adaptor having a hollow member with a first end engaged at an aperture in a wall of an exhaust system of an engine to allow breather gas flow thereinto. A nozzle has a second hollow member serves as a breather gas conduit and is positioned inside the adaptor. The nozzle has a mounting portion sealingly engaged with an inside surface of the adaptor towards a second end thereof. And, a nozzle portion extends laterally towards but ends short of the first end thereof. The nozzle portion has an outer dimension less than the inner dimension of the adaptor so as to form a space therebetween.

Abstract: A method and system for generating auxiliary load during start-up and warm-up of a spark ignition engine operating with a high load, cold start and spark retard and enleanment (HL-CSSRE) methodology to achieve rapid light-off. The method and system of the present invention uses existing vehicle systems (20) to couple an auxiliary load to the engine for a predetermined period of time during engine start-up and warm-up.

Abstract: The present invention meets these objectives providing an IDG hydraulic system that utilizes in flow series arrangement a scavenge pump, a spool valve and a boost pump. When spool valve detects an interruption in the supply pressure to the boost pump due to an adverse “g” condition, it reconfigures the system to a closed loop system. In this mode, the oil returning from the CVT is re-circulated back to the boost pump instead of back to the scavenge pump. Oil lost to leakage is replenished by an oil accumulator that use the gas pressure in the IDG's casing to expel fluid from the accumulator into the recirculating flow.

Abstract: The two working chambers (2, 2′, 3) of a working cylinder (1) of a hydraulic actuation arrangement may be directly connected with one another via a switchable dual-position valve (11), if necessary, whereby a resistance-free manual displacement of the components to be actuated is possible to a large extent—regardless of the working cylinder (1) that is driven by the hydraulic circuit (6) or also in case of a malfunctioning or a turned-off pressure medium source.

Abstract: In a proportional booster valve V, a primary reaction piston 37 and a secondary reaction piston 38 are provided between a control piston 23 which faces at one end thereof toward a control pressure chamber 25 into which hydraulic pressure outputted from a primary master cylinder is inputted a boost pressure chambers 44 connected to secondary master cylinders, the primary reaction piston 37 being adapted to transmit at all times to the control piston 23 a reaction force corresponding to hydraulic pressure of the boost pressure chamber 44, the secondary reaction piston 38 being adapted to transmit to the control piston 23 a reaction force corresponding to the hydraulic pressure of the boost pressure chamber 44 as the hydraulic pressure of the boost pressure chamber 44 exceeds a set hydraulic pressure.

Abstract: A hydraulic cylinder has a piston (13) with a seal (21) in sealed sliding contact within a bore (12) to define a working chamber (16) ahead of the piston for the discharge of pressurised fluid from the bore via an outlet (17) when the piston is undertaking working stroke, an inlet (20) is provided into the bore from an associated reservoir to allow connection between the reservoir and the working chamber when the piston is in a fully retracted state for recuperation of fluid from the reservoir to the working chamber. The connection between the reservoir and working chamber is provided via a sleeve (27) in the bore (12) winch includes axially extending grooves (28), the grooves being closed by the piston seal (21) during a working stroke of the cylinder but the ends (30) of the grooves being open when the piston (13) is in a fully retracted condition within the sleeve thus by-passing the piston sleeve to connect the working chamber and reservoir.

Abstract: There is provided a system and method for using an engine's exhaust back pressure to control a variable geometry turbocharger. The control system determines a desired exhaust back pressure based on engine speed and engine load. The desired exhaust back pressure is compared with a measured exhaust back pressure to determine the difference between the measured and desired exhaust back pressures. The difference value is used to determine the duty cycle. In an alternate embodiment, the exhaust gas pressure is used to adjust the duty cycle determined by other operating parameters. A base duty cycle is determined from the engine speed and the engine load. The difference between the measured and desired exhaust back pressures is used to determine an exhaust pressure control duty cycle. The base duty cycle is then adjusted by the exhaust pressure control duty cycle to give a turbocharger duty cycle.

Abstract: The invention relates to a method and an arrangement for engine braking a four-stroke internal combustion engine. The engine has for each cylinder (2) at least one inlet valve (7) and at least one exhaust valve (9) for controlling communication between a combustion chamber (5) in the cylinder (2) and an inlet system (8) and an exhaust system (10) respectively. In accordance with the invention, the arrangement also establishes communication between the combustion chamber (5) and the exhaust system (10) in conjunction with the exhaust stroke and also when the piston (3) is located in the proximity of the its bottom-dead-center position after the inlet stroke and during the latter part of the expansion stroke.

Abstract: An internal combustion engine, particularly suitable for a motor vehicle, is provided with a plurality of combustion cylinders, at least a first exhaust manifold and a second exhaust manifold and at least one intake manifold. Each exhaust manifold is coupled with a plurality of the combustion cylinders. Each intake manifold is coupled with a plurality of the combustion cylinders. A first turbocharger includes a first turbine having at least one inlet and an outlet, and a first compressor having an inlet and an outlet. The at least one first turbine inlet is fluidly coupled with the first exhaust manifold and includes a controllable, variable intake nozzle. A second turbocharger includes a second turbine having an inlet and an outlet, and a second compressor having an inlet and an outlet. The second turbine inlet is fluidly coupled with the second exhaust manifold. The first compressor outlet is fluidly coupled with the second compressor inlet.

Abstract: An enhanced bearing system for turbochargers incorporates a thrust collar centrally mounted on the rotating shaft interconnecting the turbine and compressor and a thrust bearing centrally located within the center housing to constrain the thrust collar. Central placement of the thrust collar allows journal bearings and journal seals to be placed immediately adjacent the turbine and compressor wheel attachment points on the shaft enhancing the shaft motion characteristics and sealing capability.

Abstract: A low pressure fuel system for a gaseous fuel internal combustion engine in which the source of gaseous fuel is at a pressure lower than the intake manifold pressure of the internal combustion engine. The gaseous fuel is inducted into the interstage duct of a multi-compressor combustion air turbocharger associated with the internal combustion engine. The combined flow of air and gaseous fuel is further compressed in the second compressor stage of the turbocharger.

Abstract: A method and apparatus for reducing emissions in combustion systems, particularly gas turbines. A mixture of diluent and fuel is created, wherein the diluent and the fuel are at a predetermined diluent-to-fuel ratio. The mixture is homogenized to create a homogenized mixture having a uniform concentration distribution of the diluent and the fuel at the predetermined diluent-fuel ratio. Thereafter, the homogenized mixture is introduced into a flame zone and the homogenized mixture is combusted.

Abstract: A gas turbine combustion system includes a cylindrical combustor, a plurality of combustion sections in an arrangement spaced apart in an axial direction of the combustor, a plurality of fuel supply lines independently connected to the combustion sections, respectively, premixed fuel supply sections respectively provided for the fuel supply lines for supplying a premixed fuel, a diffusion combustion fuel supply section for supplying a diffusion combustion fuel to the combustion sections, and a control switching over the fuel supply sections to selectively supply either one of the premixed fuel and the diffusion combustion fuel. The premixed fuel at a first combustion stage is burned while the premixed fuel of subsequent stage is ignited by a high-temperature gas generated from combustion of the premixed fuel of a preceding combustion stage.

Abstract: A combustor for a gas turbine engine operates with high combustion efficiency and low carbon monoxide, nitrous oxide, and smoke emissions during low, intermediate, and high engine power operations is described. The combustor includes a mixer assembly including a pilot mixer, a main mixer, and a mid-power and cruise mixer. The pilot mixer includes a pilot fuel injector, at least one swirler, and an air splitter. The main mixer extends circumferentially around the pilot mixer. The mid-power and cruise mixer extends between the main and pilot mixers and includes a plurality of fuel injection ports which inject fuel radially inwardly to facilitate radial and circumferential fuel-air mixing to provide a substantially uniform fuel and air distribution for combustion.

Abstract: The present invention contemplate a seal assembly for reducing the passage of fluid between a combustor liner and a turbine vane segment in a gas turbine engine. In one embodiment, the turbine vane segment has a lip portion defining a sealing surface. A seal element having first and second seal portion is coupled to the turbine vane segment by a support element. The support element urges the first seal portion into engagement with an aft edge of the combustor liner and positions the second seal portion adjacent the sealing surface of the turbine vane segment, while allowing relative movement between the second seal portion and the sealing surface in a direction substantially parallel to the sealing surface.