Abstract: A picture frame has a plastic rear wall wherein a bearing member is mounted so as to be pivotable about an axis orthogonal to the rear wall between a first and a second end position spaced by 90.degree.. A prop is hinged to the bearing member so as to be unfoldable from a recess of the rear wall into a first spread-apart position when the bearing member assumes the first end position and into a second spread-apart position when the bearing member is in its other end position. In either spread-apart position, the prop defines a different angle with the rear wall, said angles being determined by stops on the rear wall cooperating with stops on the prop.

Abstract: A container label comprises a main portion bearing generic identification indicia, an adhesive or the like for permanently securing the main portion to a container, a secondary portion bearing specific identification indicia, and an integral but destructible connection web between the main portion and the secondary portion. The secondary portion is itself free of securing means so that the secondary portion can be separated from the main portion by destruction of the web.

Abstract: A floating body disposed within a liquid-filled container has top and bottom portions provided with extensible and retractable objects, some of which have a greater buoyancy then the body and the remainder of which tend to sink in the liquid. The body and objects have various configurations and designs which create three-dimensional changes during floating of the body each time the container is turned upside-down.

Abstract: A swinging toy for swinging a doll includes a sound producing unit comprising of a platter, a record, a tone arm assembly. The sound producing unit is a buzzer and driven by a motor drive to produce sounds. A clock may be provided which is controlled by a control unit to turn on the motor drive once per hour. And an actuator comprising a chuck carried on a revolving rod connected to a crank through a link and driven by the platter of the sound producing unit through a transmission gear to swing the doll as the sound producing unit produces sounds is also provided.

Abstract: An outdoor advertising bench to be used as a medium upon which advertising indicia may be displayed and be clearly visible during the day and night, including a bench having a pair of spaced support members, a seating platform supportably disposed therebetween, and a seat back assembly supportably disposed between the support members, the seat back assembly having a pair of opposite side panels, and a back panel, mid panel, and front panel, disposed between the side panels. The front panel is transparent so as to make an exposed face of the mid panel visible therethrough, the exposed face of the mid panel having advertising indicia and high visibility lights thereon to draw attention to the advertising indicia and to provide an attractive appearance.

Abstract: A modular sign system, having modular units, each comprising a back frame having a thin backplate and a thin wall upstanding from the backplate and bounding a recess formed in front of the backplate; support posts outstanding from and integral with the backplate at spaced locations in the recess, and one of the following:i) a faceplate received over the recess and supported on and by the posts, the faceplate having a bounding edge which is closely bounded by the wall,ii) a faceplate received on and supported by the wall, substantially to close the recess,the faceplate adapted to carry sign information, and the backplate adapted to be carried adjacent a supporting surface.Multiple such units may be combined to form a sign system, and alphanumeric elements may be carried on the faceplate or faceplates.

Abstract: A magazine for holding and for reliably and rapidly feeding cartridges to the chamber of a bolt-equipped firearm. Each cartridge to be fed has a rim and a shoulder. The magazine has lips, guides, and a follower. The lips are cartridge-retaining lips, which are uniformly forwardly outwardly angled substantially the entire length of the cartridge from the rim to the neck. The guides guide two parallel rows of cartridges toward the lips. The follower and a spring upwardly bias the two rows of cartridges such that the uppermost cartridge in one row contacts the lip above that row and the uppermost cartridge in the other row contacts the lip above the other row. The walls of the magazine have outwardly flared parallel skirt guides. These skirt guides retain a skirt which has certain features preventing its accidental removal.

Abstract: A floating fish raceway apparatus (10) for raising and harvesting fish in a body of water, the fish raceway apparatus having a frame (11), a flexible mesh cage (12) depending from the frame (11) and forming an enclosure for raising the fish, and a harvesting means (14) for drawing the flexible mesh cage (12) together in order to draw the fish to one end of the fish cage (10) for easy retrieval from the cage (10).

Abstract: An enhanced fishing lure is disclosed for attaching a bait to a fishing line, comprising a lure head having a front aperture for enabling the fishing line to extend therethrough. The lure head has an insert cavity communicating with the front aperture. A lure insert comprises an insert portion with a first and a second panel extending from the lure head and the lure insert, respectively. At least one locking pin is secured to one of the first and second first and second panels for cooperating with at least one locking aperture defined in the other of the first and second panels. A restrainer is secured to the lure insert for restraining the movement of the fishing line relative thereto. The locking pin extends through the bait for restraining the movement of the bait relative thereto.

Abstract: A fishing lure has a lure body and a chamber open to an interior of the lure body. An intake extends from the outside of the lure body to the chamber at a first end of the chamber. A discharge extends from the outside of the lure body to the chamber at a second end of the chamber. A plunger sealingly engages a circumference of the chamber and is connected to a stem. The stem is adjustable between a first, a second and a third position located on a tongue extending from the lure and results in the plunger being displaced within the chamber. The plunger acts to draw ballast within the intake and to discharge air through the discharge opening to adjust the operating depth of the lure.

Abstract: A fishing float is disclosed having a stem and a buoyant member. The stem includes a slot oriented toward the buoyant member for receiving a fishing line. When a fishing line is attached to the fishing float, the configuration and orientation of the slot keeps the fishing line attached to the fishing float, even when the person fishing jerks on the fishing line. A spring is mounted around a portion of one end of the stem, and resists the movement of the fishing line out of the slot. The spring can be located in two positions, one creating a slip line condition such that the fishing line can slide through the slot, and the other creating a fixed line condition such that the fishing line cannot freely slide through the slot.

Abstract: A rat and wild animal catcher mainly comprise a cage having two lateral open ends each having a gate the top edge of which pivotly connects to the top grid of the cage and the bottom edge of which extends outward and downward toward the bottom grid of the cage. A step member inside the cage is pivotly connected to the bottom grid of the cage such that when a rat or wild animal enters the cage and touches the step member, the step member is subjected to a downward force and causes the up lifted gates to fall down at the same time and close the open ends of the cage to prevent the caught rat or wild animal from coming out of the cage.

Abstract: A rodent trap structured for capturing one or more rodents as a piece of bait is being consumed within the trap. Slidably mating, telescopically extendable upper and lower inverted and upright cup-shaped members, respectively, define a closed interior volume into which a rodent may enter through an entrance hole formed through a side wall of the lower member when the upper member is held in an armed position above the bottom of the lower housing. To hold the upper member in the armed position, a slender elongated trip rod of one embodiment downwardly extends from a central point of the top of the upper member, to be supported on a rigid piece of bait held above the bottom between uniquely configured spaced bait posts. These bait posts are connected to and upwardly extend into the interior volume from the bottom of the lower member.

Abstract: An air transmissible bag member is mounted coaxially aligned relative to a bug light assembly at a lowermost end thereof to receive bug members dispelled from the bug light assembly and directed into the bag by way of interposed fan assembly between the bug light assembly and the bag.

Abstract: A system for termite detection and control is provided by a subterranean bait station having a perforated outer housing permanently implanted in the terrain below ground level, and a perforated cartridge removably received within the housing. The openings in the housing and the cartridge are in alignment with each other when the cartridge is fully received within the housing in its operational position. The cartridge received within the housing will initially contain a non-toxic bait material for diagnosing or assessing the level of a termite infestation; the bait cartridge is periodically removed from the housing to inspect for termite activity. If termite activity is detected, the non-toxic bait cartridge is replaced in the housing with a correspondingly perforated pesticide-containing bait cartridge for extermination of termites.

Abstract: An applicator for the topical application of liquid treatment fluids to plants provides for remote actuation of opposed grasping or pressure plates, thereby allowing even and symmetrical pressure to be applied to the plant as the treatment liquid is administered. The result precludes uneven pressure to the plant and possible subsequent bending of the plant and contact with another adjacent plant, thereby precluding secondary application of any treatment liquid to the adjacent plant and possible injury to that adjacent plant. The application operation is easily conducted remotely, by actuating a trigger to clamp the plant in the opposed members. One of the members includes a porous sponge or pad, which pad communicates with a treatment liquid container via a tube or conduit in order to provide a positive coating of plant treatment liquid to the plant interposed between the two plates adjacent the pad. The treatment pad is shielded from inadvertent contact with adjacent plants by the two plates.

Abstract: A pot hanger for a vertically hanging pot with or without a drain saucer includes a series of flat sheet, generally inverted U-shaped spaced clips. A lower distal end of the clips seats on a downwardly-facing surface of the plant container or the saucer while an upper distal end seats against an inner surface of a pot container or saucer peripheral circular ridge. One or a pair of apertures are formed in a bight portion of each clip with a bottom chain link of a corresponding series of chains affixed therein. The tops of all of the chains are fixed into a common swivel, snap or S-type hook and the hook mounted on a provided support nail or screw hook. A tab is provided on each of the clips to facilitate removal of a clip from a pot container or saucer.

Abstract: This invention relates to a plant irrigation system and in particular to one including a reservoir for receiving water, having an upper indicating line and a lower indicating line on the outer surface thereof for denoting the highest and lowest water levels respectively, an inlet on the top thereof for filling water therein, a cap engageable with the inlet for preventing water from evaporating and flowing out thereof, an outlet on the top thereof, a first mounting plate arranged on the top thereof and having two openings, and a second mounting plate formed on the top thereof and having two slits; a hook having two protuberances engageable with the two openings of the first mounting plate so that the hook is detachably connected with the reservoir and can be adapted for use to various flower pots; a plastic pipe having a lower end to be extended into the reservoir through the outlet of the reservoir and an upper end to be buried into the soil in a flower pot; a wick enclosed within the plastic pipe; and a spad

Abstract: An abrasive grinding tool and method for making the same characterized by a shaft having a longitudinal axis and a relatively thin flat bundle of monofilaments. The bundle is secured to the shaft and projects radially outwardly from two sides of the shaft in a direction generally perpendicular to the longitudinal axis. The shaft may comprise a wire having two securing sections twisted beyond the bundle to form a twisted stem. In one embodiment of the invention, the bundle has intermediate and end sections positioned generally in a plane passing through the longitudinal axis of the shaft. In an alternative embodiment, the end sections are bent circumferentially away from the intermediate sections forming a predetermined bend on each side of the shaft. In another embodiment of the invention, the securing sections of the wire stem are twisted whereby the monofilaments project radially outwardly in a helical pattern.

Abstract: A rotary grinder for sharpening mulcher blades. A grinding wheel is rotatably mounted atop a work support surface. A platform removably mounted to the work support surface includes a first upwardly facing blade supporting surface and a second upwardly facing blade support surface. The second blade supporting surface is obliquely arranged relative to the first blade supporting surface. The first blade supporting surface contacts the outer portion of the blade positioning the outer edge against the grinding wheel. The method includes moving the blade in a direction so that the outer edge of the blade moves past the grinding wheel with the blade moving off of the first upwardly facing blade supporting surface and onto the second upwardly facing blade supporting surface thereby positioning the obliquely arranged second cutting edge adjacent and against the grinding wheel.

Abstract: A wafer polishing apparatus includes a wafer polishing assembly having a plurality of wafer carriers for substantially simultaneously polishing a plurality of wafers against a rotating polishing surface. A plurality of wafers to be polished are substantially simultaneously loaded into the plurality of wafer carriers by wafer holding apparatus of an index table. Similarly, a plurality of wafer carriers are substantially simultaneously unloaded into wafer holding apparatus of the index table. The wafer carriers are individually computer controlled for exact polishing and different polishing requirements can be met at the same time by different wafer carriers.

Abstract: A wafer slicing and grinding machine is provided with a saw blade assembly for the slicing of wafers from an ingot. A grinding stage is also provided for sequentially grinding the rear face of a previously sliced wafer and the front face of an ingot in order to provide a double ground wafer. A transfer chuck and a holding chuck are disposed within the machine to perform movements for effecting a turning over of a wafer for grinding of the rear face of the wafer.

Abstract: The present invention includes a polishing pad to improve polishing uniformity across a substrate and a method using the polishing pad. The polishing pad has a first region that lies closer to the edge of the polishing pad and a second region that lies further from the edge of the polishing pad. The second region has a plurality of openings or a larger average pore size compared to the first region. Each opening or the average pore size of the second region may be 1) between about 250-1000 microns or 2) in a range of about 25-1000 percent larger than the average pore size of the first region. The polishing pad may be used in a chemical-mechanical polishing without having to substantially changing the polisher or the operational parameters of the polisher other than the oscillating range.

Abstract: A system for forming a polished groove in a glass panel has separate grooving apparatus and groove polishing apparatus. The grooving apparatus has a rotating grinding unit which moves endwise along its rotary axis to form a groove. This unit has a leading tapered section and a trailing cylindrical section containing a finer abrasive than the abrasive in the leading section. The formed groove has an arcuate transverse profile with a radius determined by the radius of the trailing section. The polishing apparatus has a rotating and oscillating buffing cylinder with a pile surface layer which is brought into engagement with the surface of the groove while wetted with a polishing liquid. The radius of the buffing cylinder approximates the radius of the groove profile.

Abstract: A door structure, for use in combination with upright refrigerator and freezer spaces, which utilizes heat transfer by forced convection, of the kind used in everyday commodity stores to display goods on sale. The door has two glass panes which together with a frame embracing the edges of the glass panes, either completely or partially, form a door leaf. The glass pane which faces towards the warm atmosphere of a shop area is provided on the surface thereof facing away from the shop area with an electrically conductive coating, which is operative to heat the outer pane electrically. The door has solely two mutually parallel glass panes, of which the glass pane facing towards the colder refrigerator or freezer space is provided on the surface thereof which faces towards the colder space solely with an infrared radiation reflective coating or layer.

Abstract: An arcuate building structure containing at least three five-sided building blocks, at least three six-sided building blocks, and means for connecting one of said five-sided building blocks to at least one of said six-sided building blocks. The top side of the six-sided block has a substantially triangular shape, and is substantially parallel to the bottom side of the six-sided block. The front side of the six-sided block has a substantially trapezoidal shape with a top edge, a bottom edge, a right edge, and a left edge. The right edge and the left edge have equal lengths and form equal angles with the bottom edge. The back side of the six-sided block has a substantially triangular shape with at least two sides equal in length to each other. The left and right sides of the six-sided block are congruent with each other, are in the shape of a parallelogram, and contain a recess within their borders.

Abstract: An assembly member includes a rod having at one end thereof a head for driving the rod in rotation, a threaded part at an opposite end and, between the threaded part and the head, a smooth part the diameter of which is markedly larger than a threadroot diameter of the threaded part. Such member is used for the fastening of insulating layers of facade coverings or claddings.

Abstract: A ceiling of filter panels is supported by support rods that extend through corner intersection of adjacent panels, and by a supporting disk secured to the lower end of the rods to support the corners of the filter panels. The disk has a notch in it that mates with the filter corner so that with the disk rotated to a position wherein the notch is aligned with the panel corner, a panel may be installed or removed from the assembly. Once a panel is in position, the disk is rotated about 45.degree. to a position wherein it supports a portion of the corner of each filter panel at that intersection. Retracted pins in the support disk are then threaded further into the disk so that the pins extend into an aligned hole in the corner of each panel at that intersection to align the panels. Sealing strips carrying sealing gel are then positioned around the periphery of the panels to span the gap between adjacent panels, with the strips being supported by the edges of the panels.

Abstract: A concrete repairing agent injection plug for injecting the concrete repairing agent into an injection groove formed in a concrete wall to be repaired, The injection plug and the injection groove provide sufficient fluid tightness regardless of surface irregularities of the wall adjacent or around the injection groove so as to avoid leakage of the repairing agent during injection work. A elastic member is provided which is partly or fully inserted into the injection groove. First and second pressure plates are provided for interposing therebetween the elastic member. Distance between the first and second pressure plates is changeable by a pressure mechanism. When the distance is reduced, the elastic member is compressed and is laterally expanded to brought into intimate contact with walls of the injection groove to thus close an open end portion of the groove.

Abstract: A portable constructional element (4) comprising a foamed cementitious material (8) in an outer plastics covering (10), the foamed cementitious material (8) being such that it has been introduced into the outer covering (10) in a wet state and has set in the outer covering (10) such that the foamed cementitious material (8) is of a substantially uniform character throughout the constructional element, and such that the outer covering (10) forms an integral part of the portable constructional element (4).

Abstract: A method for constructing a concrete building having a plurality of stories in which walls and floors of the concrete building are formed by means of modular form assemblies which can be used repeatedly without disassembling and reassembling includes (a') forming concrete surrounding wall structures of the stories one after the other by elevating a modular inner form assembly to a level of each story from a level of a lower story until the concrete surrounding wall structure of an uppermost story is formed; and (b') forming floors of the stories one after the other by lowering a floor form assembly from the level of the uppermost story.

Abstract: A variable set-up, reusable center frame for the realization of concrete and masonry arches and for restoration applications. The center frame includes a succession of Y-shaped modular rod members. Each branch is provided at its end with a first and second upper hinge joint and a lower hinge joint. The lower hinge joint is provided with a slide rod, and a plate-shaped connection locks the slide rod in place. The upper hinge joints are hingedly connected to supporting saddles extending out of a lower surface of a flexible forming member which is placed in contact with the member being supported. The slide rods are adjustable in position with respect to the lower branch such that the space between the lower branches can be adjusted to achieve different formations in the forming member.

Abstract: A gypsum board support device with two opposite right angle locking support arms attached to an adjustable standard used temporarily when mounting gypsum board to ceiling members.The standard is of knockdown construction for ease in transporting to various construction sites.

Abstract: A packaging machine of the type having a mechanism for tubulating a belt-like film and a conveyor for transferring products into the tubular film is typically equipped with a pair of sealing bars which produce transverse seals between the products being packaged. The present invention relates to a mechanism which is able to control the length and speed of the stroke of the sealing bars and the speed of the film dependent on the length of the product being packaged which assures more uniform heating of the seals resulting overall in more uniform transverse seals.

Abstract: A device for handling molded articles of manufacture, for use in particular with foodstuffs, such as forks or knives, and for placing the articles into protective bags or like packaging or wrappings. The device includes robots adapted to grip the molded articles prior to or upon their ejection from a mold and to convey and carry the articles to a machine which packages the articles into the protective bags.

Abstract: This invention relates to a packaging method and device utilizing heat-shrinkable thermoplastic film for bundling a plurality of prepackaged containers which allows for access to a carrying means on the prepackaging. The packaging method and device forms a means of bundling a plurality of containers which have been prepackaged into units. Further, the heat-shrinkable thermoplastic film device forms a protective shielding for the prepackaged containers so bundled.

Abstract: The invention comprises a nested tray-like product separator apparatus and a packaging system employing the nested product separator for the separation of a plurality of generally vertically upright nested plastic tray products into packaging units composed of a defined plurality of the nested tray products. The product separator includes a base plate having a cavity therein and a pair of spaced-apart picker elements, with a tension-biased holdback finger element between the pair of spaced-apart picker elements. The product separator includes a pneumatic cylinder, to move the picker elements sequentially and cyclically between a non-use position and a separating position, wherein the one end of the picker elements extend between selected nested tray products to separate the products.

Abstract: A tablet encapsulator deposits a predetermined number of tablets into each of a plurality of hard gelatin capsules. A tablet holding block has second guide holes for holding the predetermined number of tablets. A tablet carrier is reciprocated for a number of times equal to the predetermined number of tablets during a capsule filling sequence so that with each reciprocation, each of the second guide holes receives a single tablet until the predetermined number of tablets is received in each of the second guide holes. A shutter normally prevents the tablets from entering first guide holes in a first tablet guide shoot and intermittently permits the predetermined number of tablets to pass through each of the first guide holes and enter each of the capsules through their openings in synchronism with intermittent motion of a capsule holder.

Abstract: Apparatus for fabricating blister packs comprising a first support for a web of plastic material located at the input end of the apparatus; a feeder to feed the web of plastic material along a path of travel through the apparatus to the output end thereof; a former means along the path of travel to form wells in a conveyed web of plastic material; dispensers means along the path of travel to dispense pills into the wells; a second support for a web of rupturable material located above the linear path of travel to feed rupturable material onto the plastic material for movement therewith in a two part laminate; a tray for a stack of cards laterally offset from the path of travel; a conveyor to sequentially feed cards from the support means to a location adjacent to the web of plastic material and then into contact therewith; a coupler along the path of travel to couple the plastic material with the cards to form a three part laminate; and a cutter along the linear path of travel to cut the laminate for forming

Abstract: Animal harness, including blankets and straps, provides low pressure internal pneumatic elements to aid in padding harness effect on an animal and in ventilating animal body portions thereunder. A blanket provides an air pervious felt element folded upon itself and sewn to form a plurality of adjacent open-ended pockets, each carrying an inflatable bicycle tire inner tube deformed to fit in a pocket with two side-by-side courses. The felt element is covered by an air pervious fabric cover. A harness strap provides two similar mesh side elements joined about adjacent peripheral edges by banding to define a medial channel. A strap having connectors at each end and a medial cross strap is joined to the outer surface of one mesh side element for strength and to allow fastening to other harness structure. The medial channel defined by the strap carries an inflatable bicycle tire inner tube deformed to an elongate shape.

Abstract: A brush cutter work head (20) has a protective shroud (36) with a vertical side opening (40) to expose a portion of a circular cutting blade (42) to enable the blade (42) to cut brush. A spray nozzle (82) is mounted on a sliding member (74) that slides within a tubular housing (58) incorporated into the work head housing (28). The sliding member (74) has a retracted position in which the nozzle (82) is positioned above a portion of the housing (28), and a projecting use position in which the nozzle (82) is aligned with the opening (40) above and outward of the blade (42). A gripping thumb (44) is pivotally mounted on the work head housing (28) and is operated by an actuator (52) within the housing (28) to pivot between a flush nonuse position and a gripping position in which it opposes a jaw (38) formed by a lower portion of the shroud (36).

Abstract: A corn harvesting implement for a field chopping machine has a drawing-in trough, a plurality of transporting passages supported on the drawing-in trough, the transporting passages including at least two outer transporting passages which are foldable upwardly to a transporting position for obtaining a smaller transporting width and foldable outwardly to a working position. The transporting passages also include stationary transporting passages. The transporting passages are arranged so that in the working position a predetermined distance is provided between at a part of at least one of the upwardly foldable transporting passages and at least a part of a neighboring part of the stationary transporting passages. Means for increasing the distance at least before a beginning of folding the upwardly foldable passages from the working position to the transporting position is provided.

Abstract: A plurality of cutting tools are attached to a pair of axles on a frame for chopping crop residue in a direction parallel to the direction of travel. A plurality of transverse knives are attached to the cutting tools for simultaneously chopping the crop residue in a direction perpendicular to the direction of travel. The transverse knives are attached to the circumferential edges of the cutting tools and extend away from the cutting tool edges. The outer edges of the transverse knives are sharp and are angled radially outward from the cutting tools.

Abstract: A textile yarn processing machine has a plurality of spindle assemblies for processing of yarn. Each spindle assembly includes mechanisms for forming a balloon of yarn which rotates around a spindle assembly central axis as the yarn travels through the spindle assembly during processing and a balloon limiter device surrounding the rotating balloon of yarn and having a generally cylindrical inside surface for frictional contact with the rotating balloon of yarn to restrict the size thereof. Devices are provided which reduce frictional contact between the rotating balloon of yarn and the inside surface of the balloon limiter so as to avoid the necessity of the use of lubricators on the yarn.

Abstract: There is described an automatic device for restarting a two-for-one twisting station after yarn interruption, the device being provided on a carriage which patrols the twisting machine faces and is equipped to discharge a completed bobbin, seize the yarn ends from the feed side and the bobbin side and convey them to a joining device, join said ends, pick up a new tube and position it on the bobbin carrier arm, bring the yarn ends on the feed side up to it and restart the station, so restoring the yarn flow.

Abstract: A method and system for increasing the pressure of gaseous fuel delivered to a fuel system of a gas turbine engine. A portion of pressurized gas or compressed air is discharged from a high-pressure section of the gas turbine engine and is communicated to a plurality of radial inflow turbines or axial flow turbines. Energy is transferred from each turbine to a plurality of compressors driven by the turbines. Gaseous fuel is supplied to an inlet of one of the compressors. The compressed gaseous fuel is then cooled downstream of the compressors. The aftercooled and compressed gaseous fuel is delivered to the fuel system of the gas turbine engine.

Abstract: A steam-augmented gas turbine engine system generally includes a compressor 3), first and second combustors (4a, 4b), a compressor turbine (6) and a power turbine (7). A heat exchanging system (8b) removes heat from an exhaust product from the power turbine (7) and preheats water which has been desalinated by a water purification system (12). The desalinated water is provided to the first combustor (4a), as a predetermined quantity of water-steam mass, along with fuel and compressed air, and is used to efficiently power the turbine system. In one embodiment, a two-boiler system (8b) is employed in which first and second steam outputs are provided to first and second combustors (4a, 4b) such that a mass flow of the compressor turbine (6) is substantially constant from a Cheng point to a stoichiometric point of a predetermined power profile. This constancy of mass flow ensures that the gas generator operates on design from the Cheng point to the stoichiometric combustion point.

Abstract: Fuel flow to the combustor of a gas turbine engine is regulated by controlling the amount of fuel delivered to the primary and secondary fuel orifices of a hybrid fuel nozzle. A one-way valve extending between primary and secondary fuel manifolds is controlled by an electronic sensor that acts upon signals received from sensors at station 4.5 of the engine, and by sensors that measure engine speed. By opening and closing the valve based upon T.sub.4.5 and N.sub.2 speed, optimum engine operating conditions are achieved.

Abstract: A fuel-injector system for a combustor of a gas turbine engine includes first and second fuel injectors rendered operative to discharge fuel to the combustor during a high power regime of engine operation and rendered non-operative during a lower power regime of engine operation. The first and second fuel injectors include respective first and second fuel discharge passages in fuel flow communication to one another and to the combustor via associated fuel discharge lips to sustain a flame region. The first and second fuel injectors are operatively associated with respective first and second air discharge means having air discharge lips for discharging air to the combustor for sustaining the flame region therein.

Abstract: A combustor dome assembly includes an annular support plate fixedly joined to a combustion liner which confines combustion gases. The support plate includes a plurality of circumferentially spaced support openings for supporting respective carburetors, and respective splashplates fixedly joined coaxially to each of the support openings. Each of the splashplates includes an intermediate flared portion spaced axially downstream from an intermediate portion of the support plate to define a plenum, and a distal end spaced radially away from the liner to define a circumferential extending outlet gap in flow communication with the plenum. The support plate intermediate portion has a plurality of impingement holes disposed between the support openings and a proximal end of the support plate for channeling a first portion of compressed air as impingement air into the plenum to impinge against the splashplate intermediate portion.