Abstract: A safety illuminated shoe includes a plurality of illuminators secured on a printed circuit board having a flip-flap trigger switch mounted on the printed circuit board and electrically connected between two poles of a power source of batteries packed under the printed circuit board for supporting the printed circuit board, whereby upon treading of the shoe to close two contacts of the flip-flap trigger switch, the illuminators will be lit up for a predetermined time period as controlled by an integrated circuit built on the printed circuit board, and since the two contacts of the flip-flap switch are normally restored by its self resilience and can then be separated each other to prevent unexpected power consumption of the batteries.

Abstract: An apparatus for clearing snow and other particulate material comprises one or a pair of arms mounted for rotation within the housing of a conventional rotary lawnmower or equivalent, as a substitute for the conventional grass-cutting blade. This enables the lawnmower to be used for clearing snow during the winter, when it cannot be used for cutting grass. The rotatable arm comprises an elongated blade member having upper and lower vanes extending upwardly and downwardly respectively from the blade member. The lower vanes act as knives to cut the snow or material to facilitate removal. The lower vanes are inclined obliquely to the blade axis so as to direct material that is below the blade member inwardly towards the axis of rotation. The upper vanes are inclined obliquely to a blade axis extending radially outwardly from the axis of rotation to direct material above the blade outwardly through a discharge opening of the housing.

Abstract: A free-standing, ergonomically adaptable support stand for needleworkers and similar craftspersons has a single support leg, which may be arranged for positioning on either the right or left of a seated artisan, an adjustable work support arm, a rotatable work holding clamp and an adjustable pattern holder. A floor-mounted base, which may be placed to the right or left of the legs of a seated artist, has a portion which passes under the chair and allows a work piece to be conveniently positioned without obstruction to the feet or legs and permits the craftsperson to sit in a comfortable and relaxed position. All movable parts are provided with friction adjustments which, once set, require little attention. Being of wooden construction, the stand is light-weight, easily managable and maintenance-free.

Abstract: In an identification device, which is arranged to be fastened on an animal, a signal device operative for identification purposes is placed in a cavity of a hard capsule which in turn is surrounded by a soft carrier material. By the soft carrier material the identification device is flexible in an area between the capsule, and the part of the identification device which is to be fastened to the animal. The soft carrier material is molded around the capsule, which is formed in one piece around the cavity and has an opening for the introduction of the signal device into the cavity.

Abstract: An enlarged figure panel for attachment to an attraction board has a planar panel which is adapted to fit over the outer surfaces of the rails defining the channels of the attraction board. A plurality of offset flanges which extend parallel to the surface of the panel are adapted to fit under the upper and lower lips of the tracks of at least one channel of the attraction board for attaching the figure board thereto. A U-shaped spring or a tab is also provided to prevent the figure panel from being blown out of a track of an attraction board by wind.

Abstract: This invention relates to a marking strip for identifying airline luggage with a main part and a control section adjacent to it in the longitudinal direction, separated by a parting cut, whereby the control section and an adjacent area of the main part have an adhesive coating on the reverse side which is covered by a silicone-coated backing strip, which is firmly connected to the main part and is interrupted at some distance from the parting cut of the label strip at a parting line. The backing strip is thereby glued in one step directly during joining to the marking strip to a strongly adhesive area formed on the backing strip. There is no need for an additional coating to fasten the backing strip.

Abstract: A magazine is disclosed for use with a pistol having a plastic firearm latch that is used to hold the magazine in the pistol well. The magazine includes an all metal magazine body. A non-metal magazine latch member is connected to the magazine body. When the magazine is held in the pistol well, the plastic firearm latch in the pistol engages the non-metal magazine latch member. In one embodiment, a carbon fiber filled firearm latch is substituted for the plastic firearm latch. A spacer assembly is held adjacent an end wall of the magazine body. The spacer assembly has a smooth outer surface for engagement by rim ends of cartridges during their movement relative to the magazine body. A non-symmetrical rib formed on the inner surface of a side wall of the magazine body is engagable by cartridges during their movement to prevent a premature bolt hold open condition.

Abstract: A gun lock including a hardened steel rod (14) threaded at each end, the threaded ends respectively engaging a cartridge shaped plug (27) and a rotatable tumbler lock (24). The lock (24) is fixed within a sleeve body (21) adapted to fit snugly around a barrel end (12) of a gun to be locked. The cartridge plug (27) fits snugly within the firing chamber (11) of the gun, in the same manner as a cartridge adapted to be fired within the gun. With the cartridge plug (27) within the firing chamber (11), and with the rod (14) threadedly engaged in the lock (24) the rod (14) can be inserted down the bore (13) of the gun and threadedly the cartridge plug (27) by rotating a mating key engaged in the lock (24), until the device is snug. Removal of the key results in securing the gun lock within the gun. A slot (26) within the sleeve body (21) engages an aiming sight ( 25) of the gun so as to prevent rotation of the sleeve (21).

Abstract: An adjustable gun cleaning device which protects the firing pin of the gun from damage during cleaning. The invention has a double-ended cleaning rod with a cylindrical wire brush on one end and an eye loop for holding a cloth swab on the other end. In between the two ends of the rod is mounted a cylindrical handle which slides over the cleaning rod. A thumb screw on the handle can be used to lock the handle in different positions along the cleaning rod. The movable handle serves as an adjustable shoulder stop to limit the forward motion of the cleaning rod during gun cleaning. Because it is adjustable, the handle can be repositioned for use as a safety stop with different length gun barrels. The end of the handle nearest the wire brush is hollowed out to form a cylindrical cavity so that it can also serve as a protective storage cover for the wire brush when not in use.

Abstract: An arrangement for unhooking snell in an automatic longline handling machine includes an elongated guide portion, and a longitudinal and circular track formed in the guide portion, the track having a rectangular opening provided therein. The track feeds a main line. At least one swivel member, each having an eye opening for connecting to respective hooks and snells is positioned such that the eyes run in the opening. A snell follower, first affected by the eye running in the opening, further controls an unhooking bar for separating the at least one swivel member from a respective hook. A speed bar with a torsion spring unlocks a strained hook kicker which guides the separated hook into a hook store.

Abstract: A fly fishing leader carrier is designed to retreivably store a plurality of fishing leaders on the back of a fisherman. The fishing leader carrier includes an elongated rectangular fishing leader holder which has a number of stretchable elastic loops and an equal number of parallel slots designed to hold under tension an equal number of fishing leaders. The fishing leader carrier also includes an elongated strap whose opposite ends are attached to the opposite ends of the elongated fishing leader holder. The strap also includes a separable two-part buckle which enables the strap to be readily separated into two parts and then joined together.

Abstract: An aquatic trap, the aquatic trap including a chamber, the chamber being bounded by a netted periphery that is permeable by water, at least one inlet passing through the netted periphery, the inlet converging toward the interior of the chamber, a rotatable wall portion formed in the netted periphery, the rotatable wall portion being connected to the netted periphery by a pivotal connection, the rotatable wall portion being rotatable about the pivotal connection from a closed position in which the rotatable wall portion is substantially within the plane of the netted periphery to an open position in which the rotatable wall portion is substantially outside of the plane of the netted periphery, a biasing mechanism for biasing the rotatable wall portion toward the closed position, and a stop mechanism for abutting the rotatable wall portion in the closed position against the biasing action of the biasing mechanism.

Abstract: An apparatus for storing a bait which contains an insecticidal ingredient is disclosed. The apparatus includes a flat seat having a hollow cylinder centrally fixed to the flat seat. A cover member rotatably caps the hollow cylinder. The cover member has a flange and a hook ring member depending from the lower face of the flange. The hook ring member retains a radial projection which is formed on the external surface of the hollow cylinder. The cover member has a plurality of openings or notches and the hollow cylinder has a plurality of holes. The holes and the openings can be registered with one another when the cover member is rotated to a predetermined position with respect to the flat seat.

Abstract: A plant watering trellis includes a plurality of vertical support posts with a plurality of bottom frame members connected to the support posts. The bottom frame members are configured for carrying liquid therein, with at least one of the bottom frame members including a plurality of orifices for distributing the liquid along the length of the bottom frame member. A first coupler is in fluid communication with one of the bottom frame members and couples the trellis to a fluid source. A plurality of upper frame members is connected to an upper end of the support posts. A plant support extends between the top and bottom frame members. A second coupler allows for the interlinking of adjacent plant watering trellises.

Abstract: A revolving door construction includes an elongated pivot column and a plurality of spaced barrier members arranged in at least one row wherein a first end of each of the barrier members is secured to the pivot column. A support bar is spaced from the pivot column. The support bar has a plurality of longitudinally spaced transverse apertures extending therethrough such that a respective one of the barrier members extends through a respective one of the support bar apertures. Fasteners are utilized to secure the support bar to the plurality of barrier members.

Abstract: An electromagnetically operated screen having a plurality of louvers which are provided with permanent magnets for maintaining the louvers latched shut when in a closed attitude without the consumption of energy.

Abstract: An opener of the door of a gravity flow vehicle which allows a mechanical advantage in initially raising the door. After the material within the vehicle begins to flow and decrease the effort required to raise the door, the mechanical advantage is bypassed so that the door may be quickly raised and lowered.

Abstract: The invention relates to an apparatus for grinding recesses into the ends of tubular workpieces with a revolving, driven grinding belt, the front pulley of which apparatus has a diameter that corresponds to the diameter of the desired recess in a tube end, which pulley can easily be exchanged. Moreover, the pipe to be ground is disposed on a support assembly constructed with a clamping device, which can in turn be rotated to permit the grinding of such tube ends at angles other than 90.degree..

Abstract: A sander includes a body and a drive device mounted on the body. A spindle is rotatably driven by the drive device. A connecting shaft is mounted on the spindle and is rotatable relative to the spindle around an axis displaced from the rotational axis of the spindle. An abrasive disc is fixedly mounted on the connecting shaft. A sun gear is fixedly mounted on the connecting shaft coaxially therewith. An internal gear is rotatably supported by the body and is in engagement with the sun gear. An engaging device is operable to prevent and permit rotation of the internal gear relative to the body.

Abstract: A holding device for holding an optical element to be ground is arranged such that pressure applied to a receiving face of the optical element on the holder base is made different in the radial direction in order to eliminate deformation, positional deviation or inclination of the optical element due to grinding resistances during grinding or due to high-pressure grinding. An elastic member is employed as an elastic member, or a receiving member capable of absorbing the positional deviation, the inclination, or the like of the optical element during grinding thereof is used.

Abstract: A tool for filing or abrading surfaces or for sharpening instruments such as knives, chisels and the like includes two spaced thin ferromagnetic rails having co-planar upper edges. A magnet is located between the rails with a ferromagnetic plate magnetically held to the rail. The plate has an exposed abrasive coated surface. A first magnetic pole of the magnet concentrates and conducts magnetic flux to the plate through the rails with sufficient force to hold the plate in position against the upper edges of the rails without the need for a retaining cavity to further restrain the plate from moving during use.

Abstract: A wafer rinsing apparatus includes an ice making hopper for making ice particles by heat exchange between fine droplets of liquid to be frozen and low-temperature liquefied gas. The ice making hopper is connected to a separation device for separating the ice particles and vaporized gas generated from the low-temperature liquefied gas. The ice particles separated by the separation device are jetted onto a wafer by a jetting device, thereby rinsing the surface of the wafer.

Abstract: An apparatus is disclosed for an improved rotatable gutter system for mounting on a building for disposing of debris collected therein. The apparatus comprises a plurality of supporting brackets mounted to the building with each supporting brackets having a journal mount. A rod is rotatably supported in the journal mounts and defines an axis of rotation. An elongated trough is longitudinally mounted on the rod by a plurality of trough supports. An eccentric is affixed to the rod with a cable being affixed to the eccentric. Energy applied to the cable is transmitted to the eccentric to rotate the elongate trough about the rotational axis into an inverted position to permit debris collected in the trough to fall therefrom. The eccentric provides a variably transmittal of the energy from the cable to the rod.

Abstract: A reglet and flashing assembly for preventing water from penetrating between a roofing membrane at its exposed edge and a skylight curb on which the membrane is provided. The assembly includes a reglet which is permanently anchored to or integrally formed as part of, the skylight sill. The reglet serves as an anchor for a flashing which has an upper edge removably attached to the reglet. The flashing overhangs the roofing membrane and a lower edge of the flashing is biased against the membrane to act as a protective shield to prevent water from entering between the roofing membrane and the skylight curb. The present invention further includes a flexible gasket fitting into the joint between the reglet and the flashing to secure the flashing in proper position. The gasket may be removed to thereby free the flashing.

Abstract: An adjustable beam holder to be used with parallel spaced apart forming boards. The holder includes an elongated case with a longitudinal and centrally disposed slot that receives an elongated removably mounted connector member with an elongated protruding platform member on one side and the opposite side having perpendicularly mounted walls that are removably attached to the slot. Headed threaded shank members are inserted inside the case through openings defined by removable tabs formed on removable cap members mounted to the ends of the case. Readily detachable arms are mounted to the connector mounted to the case member in order to rest over the edges of forming wall and thereby aligning the upper wall flush with the plane defined by the upper edges.

Abstract: An insulation system for metal buildings, having a roof structure formed by roof panels supported on parallel, relatively narrowly-spaced purlins which are, in turn, supported on parallel, relatively widely-spaced main support beams, comprises a plurality of adjacently positioned strips of insulating material suspended below the roof structure so as to form a relatively flat and continuous surface. The strips of insulating material are supported on a system of insulation support tube strings suspended from and extending in parallel spaced relation to selected purlins. Each insulation support tube string runs the entire length of the building in spaced and transverse relationship to the main support beams.

Abstract: This invention is intended to provide a vibration damping device having a high degree of freedom of design of damping performance. This device includes rolling bodies (4) interposed between an upper structure (1) and a lower structure (2) to horizontally swingably support the upper structure (1) and elastomeric members (5) disposed between the rolling bodies (4) and the upper and lower structures (1, 2). In this device, rolling surfaces for the rolling bodies (4) are formed by elastomeric members (5) and rigid members (6). For example, the elastomeric and rigid members (5, 6) are disposed respectively in association with the opposite end regions and central regions of the rolling bodies (4). The elastomeric members (5) may be made of any desired material provided that it has viscoelasticty and the rigid member 6 may be made of any desired material provided that the rolling friction of the rolling bodies (4) thereon differs from that on the elastomeric members (5).

Abstract: A stair tread, in which synthetic rubber is used to encase metal side core portions arranged at the side edges of a substantially horizontal core section at a downward right-angle thereto. A lip is provided along the side edges of the tread surface. The lip projects upward, the outside surface of the lip is flush with the surface of the synthetic rubber that covers the side core sections, and the lip is formed in one piece, of synthetic rubber.

Abstract: End portions (10) of a tap plate (A) are welded to a metal door frame (B) with welding projections (12). The tap plate (A) has a front face (18) which is recessed from a rabbet surface (22) of the door frame by a thickness (24) of a heavy-weight hinge leaf (26). Adjacent each of the tapped bores (30) for receiving a hinge leaf mounting bolt (32), a button (40) projects forward from the tap plate front face. The buttons project forward by a difference (54) between the thickness of the heavy-weight hinge leaf and a thickness (56) of a standard hinge leaf (58). Each of the buttons defines a necked-down portion (44) around its periphery. The projecting portion of the button is removed to mount a heavy-weight hinge leaf (FIG. 3). With the buttons still in place, a standard-weight hinge leaf is mounted to the tap plate with its front face flush with the rabbet surface of the door frame (FIG. 6).

Abstract: A flexible, reinforced textile composite material for constructing tensioned fabric structures, e.g. for sheltering from the outdoor environment, is disclosed. The material has a hydrophobic protective film element laminated to the textile composite material to provide enhanced hydrophobicity. In a preferred embodiment, of the invention, one or a mixture of colorants, dyestuffs or biological agents are incorporated into the hydrophobic protective film layer. The textile composite material has particular application as a tensioned architectural element for forming a dome, roof or the like, or as an electromagnetic window or a radome.

Abstract: An improved expansion joint assembly (10, 70) is provided for bridging an expansion void (12, 72) between adjacent, relatively shiftable structural sections (14, 6, 74, 76). The assembly (10, 70) includes a pair of supports (18, 20, 78, 80) respectively secured to the sections (14, 16, 74, 76), as well as a bridging member (22, 82) operatively engaging the supports (18, 20, 78, 80). A resilient compressible filler (24, 128, 130) is located between a bridging member (22, 82) and adjacent portions of the supports (18, 20, 78, 80). The filler (24, 128, 130) is preferably in the form of a compressible, resilient body including walls (62) defining a series of openings (64), so that the filler can accommodate significant movement without bulging or failure.

Abstract: An improved panel jointing system wherein panels (10,11) are provided with profiled edge portions comprising tongue formations (12) and recesses (13) which are of complementary shape to the tongues (12), the tongues (12) of one panel being receivable in the recesses (13) of another panel, wherein the profiled edge portions comprise integrally formed projections (15, 16) projecting from the edge surfaces of the tongues (12) and/or from the walls forming the recesses (13), the tongues (12), recesses (13) and projections (15, 16) being shaped and dimensioned so that when the tongues are received in the recesses, the tongues (12) form a friction fit with the recesses (13), and the opposed facing surfaces of the tongues (12) and the walls of the recesses (13) being spaced apart so as to form a gap (18) of approximately uniform width which extends along the joint between the panels, interrupted by the projections (15, 16), the gap being fillable with adhesive.

Abstract: A framework is formed from a plurality of thin-walled, round composite fiber rods having a pressure-resistant foam core and walls. The walls include at least one layer of axially parallel fibers. The framework is constructed from strut rods, transverse rods and joint plates which are operative for connecting the strut rods to the transverse rods. The joint plates are formed from a composite fiber material. Axially parallel recesses are provided in the walls of the strut rods, and the recesses have a width corresponding to the thickness of the joint plates. The recesses extend diagonally through the foam core of the strut rods, and the joint plates are inserted into the recesses where they are glued in place. The transverse rods are provided with slots in the ends thereof. The joint plates are inserted into the slots and glued to join the strut rods to the transverse rods.

Abstract: A metal stud spreader for the U-channel of metal studs comprising a handle portion; an intermediate body portion; head portion; and at least one boss on the head to be placed in the U-channel whereby the U-channel is prevented from inward collapse.

Abstract: A four-sided seal packaging machine having a side sealing unit, an end sealing unit, and an end cutting unit. The side sealing unit has a frame work, a first pair of cooperative sealing members to seal a first longitudinal edge of a package as the package is formed and a second pair of cooperative sealing members to seal an opposing longitudinal edge of the package. The first pair and the second pair of sealing members are mounted independently of each other to the frame work and each pair has a respective adjustment for adjusting the extent of compression together of the members of that pair independently of the other pair. The machine is well adapted for enabling self-validation, providing reliable high integrity seals.

Abstract: A method for assembling a package for an active medical device which comprises making an opening in a wall of a recess shaped to receive the device, placing a gasket against the wall and about a band mounted through a flat portion of the wall, inserting the band through the opening so the gasket is flush against the wall, installing an outer part about the band to hold the gasket against the wall to form a sterile barrier, and placing a lid over the recess to contain the device within a sterile field.

Abstract: An apparatus and method is disclosed for filling successive pouches which are interconnected in a continuous web by a tubular top portion. Material is dispensed into the pouches by an elongated filling pipe and a mass flow meter monitors the amount of material dispensed through the filling pipe. The rate at which the web is conveyed along the filling pipe is controlled in response to the measured mass flow of the material whereby the amount of material dispensed into each pouch is accurately controlled.

Abstract: Packages consisting of two part packs are in increasing demand as so-called cigarette sticks, because consumers want "half sticks", that is to say part packs having a smaller number of cigarette packs. The part packs are produced from a common one-piece blank which is severed before the package is put on sale, so that part packs formed from two part blanks are obtained. These are connected to one another by means of severable connecting members, especially adhesive strips. The mechanical high-performance production of such packages composed of two part packs is carried out in a folding turret. A one-piece blank is introduced into pockets of the folding turret and almost ready-folded. The groups of cigarette packs are then pushed via open sides into the part packs within the pockets.

Abstract: A horse bit which may be adjusted to fit various widths of horses' mouths. The adjustable bit includes a mouth piece having an adjustment assembly which may be elongated or abbreviated to an appropriate width for insertion into a mouth of a particular horse. The adjustable horse bit is illustrated in both curb bit and snaffle bit styles.

Abstract: A lawn mower of the type which collects grass cuttings includes a motor-driven blade rotatable about a sustantially vertical axis, at least one fan rotatable about the same axis, and a grass collecting system of the type in which grass collection is aided by suction from an airstream produced by the fan. It includes a closure which is selectively adjustable to at least two positions: one in which a grass collection aperture in a grass box is closed and a debris collection aperture in the grass box is open, and the other in which the grass collection aperture is open and the debris collection aperture is closed. A second embodiment includes a closure which is selectively adjustable to at least two positions: one in which both the grass collection aperture and the debris collection aperture are open, and the other in which only the grass collection aperture is open.

Abstract: The invention relates to a mower comprising first and second processing rollers, drive elements that are used to drive one of the first and second processing rollers and transmission elements that transmit the movement of rotation from one of the processing rollers to the other. The transmission elements are installed in a housing and the housing comprises a first part and a second part, connected to one another by a joint with a geometric axis directed at least approximately parallel to the axes of rotation of the processing rollers. Each of the parts of the housing is, in addition, mounted to pivot at least approximately around the axis of rotation of the corresponding processing roller.

Abstract: Apparatus for cutting and mulching lawns includes a shallow substantially cylindrical housing having an open bottom and adapted, in use, to have its axis perpendicular to a lawn to be cut; a blade, mounted within the housing to rotate about an axis co-axial with that of the housing, the blade extending radially from the axis and rotating in a plane near the bottom of the housing; a grass exit chute communicating with the inside of the housing; a source of rotational power in the form of an electric motor for rotating the blade; means for changing the direction of rotation of the blade; and means for allowing cut grass within the housing to pass out of the housing into the chute when the blade is rotating in a first direction and to prevent cut grass in the housing from entering the chute when the blade is rotating in a second direction.

Abstract: A rake having a plurality of rows of spaced rake tines and a pair of weighted rollers disposed in an operational relationship between the rows of tines. The apparatus includes a substantially rectangular frame having rows of rake tines extending across a front end, a rear end, and medial portion for grating a ground surface. Weighted rollers are positioned between the rows and a handle is pivotally connected to the frame to facilitate an operation of the rake by a standing user. The apparatus is particularly suited for grating and leveling sand such as that found on a golf course.

Abstract: A device and method for splicing yarns. The device includes a single passageway through which pressurized air is supplied to a splicing chamber dimensioned so as to cause turbulent air flow within the chamber when pressurized air is introduced. The device may also include a slot for quickly and easily feeding the yarns into the splicing chamber. A blade may be secured within the device to sever the yarns and provide a sufficiently short and uniform tail that will be accepted by needles conventionally used in the carpet manufacturing machinery.

Abstract: Method and apparatus for maintaining a substantially constant level of NO.sub.x and minimizing CO emissions from a gas turbine. The emission levels are maintained by injecting a calculated amount of steam into the combustion section of the gas turbine. The amount of steam injected is varied based on fuel flow, inlet air temperature, relative humidity, fuel heating value and turbine load which is a function of the turbine firing temperature.

Abstract: The hot core engine compartment of a turbojet engine is cooled by the metered flow of cooling air exhausted through a laminar flow nacelle system. This arrangement reduces the need for extracting bypass ram air from the engine performance cycle for cooling purposes and thereby improves specific fuel consumption and engine efficiency. A turbocompressor pump driven by bleed air from the core engine compressor draws cooling air through the laminar flow nacelle system and pumps the air into a manifold surrounding the core engine.

Abstract: A burner for gas turbine engines is provided in which a ring-shaped swirling device is coaxially assigned to a fuel nozzle. The swirling device forms tangential ducts for an adjustable feeding of combustion air between profiled surfaces arranged along the circumference. Two components, which are axially adjustable relative to one another, are to form, on mutually opposite faces, the ducts between profiles and recesses which are arranged offset relative to one another along the circumference, in such a manner that, when at least one component is adjusted, the profiles can be moved into the recesses for a reduction of the duct cross-sections or can be moved out of the recesses for an enlargement of the duct cross-sections.

Abstract: A turbine flowpath assembly includes a plurality of circumferentially spaced apart airfoils disposed within an annular outer casing. Each of the airfoils includes outer and inner integral bands. A plurality of flowpath outer and inner panels are disposed between adjacent ones of the bands and circumferentially overlap the bands. The panels and bands are joined together at the respective overlaps for allowing circumferential movement therebetween while providing sealing.

Abstract: A combustor cap assembly for a gas turbine includes an outer sleeve (12); an impingement plate (14) fixed to a forward end of the outer sleeve. The impingement plate is provided with a plurality of primary fuel nozzle openings (18) and a single secondary fuel nozzle opening (20). A plurality of open-ended nozzle cups (28) are fixed to the impingement plate (14) in alignment with respective primary fuel nozzle openings (18); and a nozzle collar (32) is fixed to a rearward end of each nozzle cup (28).

Abstract: An improved system for recovering waste heat from a combustion turbine in a combined cycle power plant of the type that includes at least one combustion turbine and at least one steam turbine includes a first heat recovery system for heating condensate in the steam turbine cycle with heat from the hot exhaust gases from the combustion-type turbine, and a second heat recovery system for heating the fuel that is used in the combustion turbine with heat from the exhaust gases. The second system permits recovery of heat energy that is not recovered by the first system, thereby improving plant efficiency.