Abstract: An edge trim system for suspended island ceilings in which a one-piece clip couples standard grid tees to standard wall molding. The clip is arranged to snap onto the grid tees where the ceiling boundary is along a line of the grid and to be screw fastened onto a tee where the ceiling boundary is other than along the grid. The clip is arranged to snap into and retain the molding in place without fasteners.

Abstract: A tile for lining an internal surface in a heavy wear area. The tile includes at least one locating rod embedded within said tile and an internal mechanism for laterally extending said at least one locating rod out of said tile and into a gap in an adjoining structure which may be another tile. The tiles forming the lining surface are securely held in place as a result of the selective deployment of the locating rods into a gap in the adjoining structure.

Abstract: The present invention aims to provide a fastening member excellent in strength of fastening a decorative external panel and capable of constructing an external wall surface excellent in design appearance, and an external wall structure. The fastening member 1 is used for fastening the decorative external panel 6 to a plurality of the underlying panels 5 disposed in front of the construction frame 3 of a building. This fastening member 1 has a base plate portion 11, a supporting portion 13, an upper panel engaging portion 131, and a lower panel engaging portion 132. The base plate portion 10 has, at its portion above the supporting portion 13, a first screw hole 110 and a second screw hole 120 differing in the distance from the supporting portion 13.

Abstract: A hold-down connector for attaching metal studs forming a wall assembly to a support structure. One embodiment of the hold-down connector has a base portion that has first and second side gusset plates protruding therefrom. The first and second side gusset plates each have a welding edge constructed to be welded to a portion of a structural member, such as a vertically extending stud. A base plate may be placed onto the base portion and the base portion may be attached to a support structure with at least one fastener that extends through the base portion and base plate. Some embodiments may have cross straps attached thereto. Other embodiments have hook-like fasteners formed in the first and second side gusset plates for hooking engagement with a structure member.

Abstract: An acrylic compound and method for resurfacing a pool or water feature surface, which creates a smooth, impermeable and watertight surface over existing plaster. This acrylic compound and method eliminates the need to blast and chip off existing degraded pool plaster pool prior to resurfacing, and results in an aesthetically desirable long lasting pool surface.

Abstract: A system and method for calculating a space required for a tenant in a building includes determining the areas of rooms required by the tenant. A circulation factor for each of the rooms based on the area of each room is calculated. The total of the room areas and the circulation factors are added to determine a pure space required by the tenant. The losses in actual usable space are determined for a building and an inefficiency factor is calculated based on these losses. The pure space is multiplied by the inefficiency factor to obtain a building efficiency loss. The building efficiency loss is added to the pure space to obtain the space required for the tenant in the building. The system may be configured on a network computer system or a standalone computer.

Abstract: A method of repairing and renewing a manhole chimney utilizes a circumferentially stretchable liner sleeve which is inserted into the manhole and pressed by an inflatable bladder into engagement with the walls of the manhole chimney. The sleeve is coated with an uncured resin, which is allowed to cure as the sleeve is pressed against the chimney walls, thereby attaching the sleeve to the walls of the manhole chimney. The stretchable sleeve eliminates air spaces between the sleeve and the chimney walls, and precludes formation of undesirable folds in the sleeve. The sleeve stretches circumferentially up to 150% of its unstretched diameter, while having a substantially unstretchable length.

Abstract: A door, method of making a door, and stack of doors includes providing a door having front and back skins that have differing, but complementary profiles, one for the front side of the door and one for the back side of the door where each allows and fits onto the other, while still providing direct contact in the stile and rail zones of the door permitting conventional door layup practices.

Abstract: A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and can be readily replaced when damaged, thus avoiding replacement of the entire door. A flexible cover snaps over the outer surface of the separate member to add impact resistance and aesthetic appeal. Intumescent strips may be inserted inside or outside of the cover to enhance sealing between the door, and as adjacent door or door frame, thereby improving the fire resistance rating of the door. Accent strips or reveals of contrasting or complementary colors may be incorporated to add to the aesthetic appeal of the door. The door construction is of particular utility in schools, health care facilities and other institutions.

Abstract: The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking members. The first and second interlocking members of the zipper are interlocked together. The first interlocking member of the zipper is attached to the web at an intermediate portion of the web between the first and second edges of the web. The second interlocking member has an attachment region that is facing away from the web. One edge of the web is folded away from the zipper and toward the other edge of the web. Unit operations are performed on the zipper to create zipper segments from the zipper while the zipper is exposed. Each of the zipper segments is associated with an individual food package made from the web.

Abstract: A vacuum packaging appliance for forming a hermetically sealed evacuated container. The appliance includes a lid adapted to define a vacuum chamber when moved to a closed position relative to a trough in the lower portion of the appliance. The trough in the lower portion of the appliance is removable from the lower portion of the appliance. In one embodiment, the appliance includes pneumatic latches that are used to hold the lid in a substantially fixed position relative to the lower portion of the appliance. Additionally, a single vacuum source can be used to active the pneumatic latches and the evacuate the vacuum chamber. The appliance is further adapted for connection to vacuum sealing attachments for various containers whereby the containers can be selectively evacuated.

Abstract: A hoof boot has a base, a heel captivator, and a pivoting mechanism that disposes the heel captivator to pivot relative to the base, preferably in a manner that allows the heel captivator at least three degrees of freedom of movement relative to the base. The heel captivator is preferably low in the rearmost portion, which provides clearance for the pastern bones of the equine lower leg to descend upon weight bearing during movement at various gaits. To reduce the possibility for bruising and chaffing of soft tissue around the pastern bones, and to help eliminate accumulation of debris, preferred heel captivators have an open mesh architecture. Heel captivators can alternatively or additionally be designed with fabric covered neoprene or other liners. Boots are preferably tightened using mechanically advantages laces.

Abstract: The disclosure provides a system having a cage mounted in an air-moving system, such as a wet and dry vacuum cleaner, which provides energy-absorbing structural ribbing for a more robust cage. The energy-absorbing ribs can tolerate impacts better than the relatively stiff, axial ribs aligned in a longitudinal direction of the cage found in prior efforts. The energy-absorbing ribs are formed in a non-aligned direction to the longitudinal axis, that is, at some non-zero angle to the axis. Circumferential ribs can be formed at some angle to the energy-absorbing ribs.

Abstract: The disclosure provides a system for mounting and sealing a filter in a vacuum cleaner, such as a wet and dry vacuum cleaner, that concentrates compressive sealing forces on a specific, relatively thin seal portion rather than the filter body as a whole. The concentrated compressive stress provides a well-defined region to consistently provide a sealing engagement. A portion of the seal is positioned into an undercut portion of a mounting assembly and is compressed or “pinched” between opposing surfaces to cause the sealing. Further, one or more of the surfaces are movable to compress the seal portion therebetween by actuation of a rotatable filter clamp engageable with a cam. The filter clamp translates toward the seal portion as the filter clamp is rotated along a sloped surface of the cam to engage and clamp the seal portion between the surfaces.

Abstract: An air conditioning system is provided. The air conditioning system includes an air cleaning unit. The air cleaning unit includes a grill having a discharge grill on a side portion, a fan sucking indoor air and/or outdoor air, a filter cleaning the sucked air, and an installation case attached to one side of the discharge grill and having a suction hole and an exhaust hole. A ventilation unit operates in association with the air cleaning unit. A duct member connects the air cleaning unit and the ventilation unit.

Abstract: A vacuum cleaner dirt containment system with a bag chamber having an open end, an outlet adapted to be in fluid communication with a vacuum fan inlet located on the vacuum cleaner housing, and a plurality of locator ribs extending from an inner wall of the bag chamber. Each locator rib has a landing adjacent an inner wall of the bag chamber, and a pin located inward of the landing and extending from the landing towards the open end of the bag chamber. A filter bag assembly is adapted to be inserted into the bag chamber, and has a flange attached to an open end of a permeable filter bag. A flange air inlet passes through the flange into the bag. The flange has openings located to be inserted over the locator rib pins, and support segments located to abut the locator rib landings. The lid is selectively attachable to the open end of the bag chamber, and includes an air inlet mounting tube that extends into the flange air inlet when the lid is attached to the open end of the bag chamber.

Abstract: The disclosure provides a filter for mounting in a vacuum cleaner, such as a wet and dry vacuum cleaner, having a seal at generally each end, and a corresponding mounting structure that focuses compressive sealing forces on specific seal components rather than the filter body as a whole. The sealing is directed primarily to portions of the seals on the filter ends that are compressed or “pinched” between adjacent surfaces. The concentrated compressive stress provides a well-defined region to consistently provide a sealing engagement. The compressive force can thereby remain relatively constant through multiple uses of the filter.

Abstract: The claimed invention describes methods and apparatuses for manufacturing nano-aerosols and nano-structured materials based on the neutralization of charged electrosprayed products with oppositely charged electrosprayed products. Electrosprayed products include molecular ions, nano-clusters and nano-fibers. Nano-aerosols can be generated when neutralization occurs in the gas phase. Neutralization of electrospan nano-fibers with molecular ions and charged nano-clusters may result in the formation of fibrous aerosols or free nano-mats. Nano-mats can also be produced on a suitable substrate, forming efficient nano-filters.

Abstract: A harvester capable of alternate configurations for bulk and tote loading. In a tote loading configuration, harvested produce is moved along a main conveyor, elevated to a raised conveyor area, packed into totes, and the packed totes are then moved onto a lower conveyor for further transport. In a bulk loading configuration, the harvested produce is transported along the main conveyor, to a raised conveyor area, and are then lifted using an elevator for placement into a bulk bin.

Abstract: A forage harvester has a crop processor that is movable between an operative position in which the rolls of the crop processor lie in the path of the crop flowing through the harvester and an inoperative position. In the invention, means, such as an electric motor and a repositionable belt, are provided for rotating the rolls of the crop processor, when the crop processor is in the inoperative position, at a low speed sufficient to avoid vibration induced damage to the rotating components of the crop processor.

Abstract: The invention relates to a feeding device (32) for a field chopper (10), comprising: at least one rotatable lower feedroll (34, 35), at least one rotatable upper feedroll (36, 37), between which a windrow can be fed and led to a chopping device (22), and an external force-activated adjustment drive (68), with which the position of at least one of the feedrolls (36, 37) can be changed relative to the other feedroll (34, 35). It is proposed that a spring (58) be arranged between the adjustment drive (68) and the feedroll (36, 37) that can be moved by this drive. The spring (58) enables the movable feedroll (36, 37) to react more quickly or immediately to sudden changes in windrow height independent of the inertia of the adjustment drive (68).

Abstract: A band wearable by a user connectable or connected to a watchcase or a decorative item, comprising a plurality of separable units and means for releasably connecting at least some of the units together to form the band, wherein two adjacent said units are releasably lockable together, and wherein the releasable connection means comprises operable means manually actuable or depressible by a finger of the user to disconnect said adjacent units from each other.

Abstract: New [GerTh-DawShien. V] dual-plasma flying object and [GerTh-DawShien. VI] dual-plasma-fusion flying object provide the electric start system to start their warm-up process to their steady-states, automatically. After their warm-up processes done and the operation conditions reached, the [Thruster V] & [Thruster VI] will run themselves, independently by continuously supplying fuel, oxygen, and moisture into the units. Their electrical power will be generated from the [ShihHwa. V] DC turbo-contacting generator by different material-made surfaces and rollers contacting reaction and then, its electricity supplies transform gases from their molecular forms into ionized forms by electrifying reaction. When dual plasmas are fast ejected from nozzles into the ‘C’ shaped magnet's opening, their current will be increasing and plasmas will be bent downward, according to the right hand rule. The linear upward reaction thrust is generated.

Abstract: In an actuator unit, the piezo actuator (1) is located inside a tubular spring (3) under pre-stress. To compensate the thermal length modifications of the piezo actuator (1) in relation to the actuator housing (4, 3, 6, 5), the compensation element is configured as an aluminium compensation cylinder (2) that is situated in an extension tube (6). The piezo actuator (1) and the compensation cylinder (2) are mounted in series and conjointly pre-stressed by means of the tubular spring (3) that is extended in relation to the actuator housing by the extension tube (6).

Abstract: Disclosed is a thrust termination device for a solid rocket motor, which terminates the net thrust by the reverse thrust of the rocket motor produced from the emission of the combustion gas in the reverse direction, when the stage separation signal is transferred at the normal thrust state of the rocket motor. An object of the present invention is to provide a thrust termination device for a rocket motor, which can contrive to accomplish the structural safety and mechanical sealing performance at the combustion chamber condition of the high temperature and high pressure, and easily remove the thrust termination device even at the low pressure state and open the trust termination ports successively with very small impacts when the thrust termination is commanded.

Abstract: An exhaust gas purifying system includes a catalyst arranged on an exhaust pipe of an internal combustion engine; a sensor detecting a state of the exhaust gas passed through the catalyst; and an ECU functioning as an abnormality determining apparatus determining abnormality by monitoring an output of said sensor in an operation under forced air-fuel ratio. When the operation under forced air-fuel control is interrupted before completion of the determination of system abnormality, the abnormality determining apparatus once stores a parameter accumulated during the operation under forced air-fuel ratio control by the time of interruption, and when the internal combustion engine comes to satisfy the prescribed condition again, resumes the operation under forced air-fuel ratio control, and completes determination of system abnormality using the stored parameter and the parameter accumulated after resumption of the forced air-fuel ratio control.

Abstract: An oxygen concentration sensor including the sensor element for detecting oxygen concentration in the exhaust gas and the heater for heating the sensor element is installed at the location downstream of a DPF. An ECU controls power supply to the heater to make the sensor element at a predetermined active state. The ECU calculates heat data corresponding to a heat budget in the exhaust pipe in close proximity to the sensor location part after the engine startup, based upon an operating condition of the engine and a driving condition of a vehicle and also makes a determination as to dryness inside the exhaust pipe based upon the heat data. In addition, the power supply to the heater is controlled based upon the result of the dryness determination.

Abstract: The invention relates to a radial-flow annular catalyst body for installation in a muffler housing of a small-size engine, an exhaust system for a small-size engine and a method for producing the catalyst body. The catalyst body consists of a perforated metal foil. In a preferred embodiment, the perforations of the perforated metal foil are adjusted for sound reduction in such a way that the metal foil simultaneously assumes the function of a conventional reflection body. In a further preferred embodiment of the metal foil forming the catalyst body, webs for stiffening the metal foil are arranged between the perforations, which webs are adapted in such a way that they prevent any bulging of the metal foil in the installed state. In a further preferred embodiment, the ends of the metal foil are joined in a detachable interlocking connection. For producing the catalyst body in accordance with the invention, the catalyst body is bent in an annular way from a perforated metal foil strip.

Abstract: An internal combustion engine having a plurality of combustion cylinders and a fuel delivery system. The plurality of combustion cylinders are configured to receive a mixture of gasoline and air and combust such mixture, where some of the combustion cylinders are configured to operate in a spark ignition mode, with the remaining cylinders being configured to operate in a compression ignition mode. The engine may be configured to operate so that fuel vapor purge is added only to cylinders operating in the spark ignition mode. Alternatively, the engine may be operated in either a first purge mode, in which fuel vapor purge is added only to spark ignition cylinders, or a second purge mode, in which fuel vapor purge is added to spark ignition cylinders and compression ignition cylinders.

Abstract: A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Abstract: A marine engine has an exhaust system including a catalyst cooled by a flow of coolant, a coolant injector that injects coolant into the flow of exhaust at a point downstream of the catalyst, and a sensor arranged to sense a characteristic of the flow of exhaust, such as oxygen or carbon monoxide level. The engine controller is configured to control an air/fuel ratio of the engine as a function of the sensed exhaust flow characteristic.

Abstract: An engine C/U 51 detects an abnormality which has occurred in an engine, and outputs a signal that indicates the occurrence of this abnormality to an SCR-C/U 61. The SCR-C/U 61 increases and decreases the urea water injection quantity corresponding to the abnormality which has occurred. On the other hand, the SCR-CU 61 detects an abnormality that has occurred in the SCR device, and outputs a signal that indicates the occurrence of this abnormality to an engine C/U 51. The engine C/U 51 controls an engine part such as an EGR valve, to reduce the NOx emission amount.

Abstract: This system in which the NOx trap (1) is associated with catalyst-forming means (2) integrated in an exhaust line (3) of a vehicle engine (4), and in which the engine is associated with common manifold or “rail” fuel feeder means (7, 8) for feeding it with fuel and adapted, by modifying control parameters for the operation of the engine, to cause the engine to switch between lean mixture operation (9) and rich mixture (10), is characterized in that the fuel feeder means (7, 8) are adapted to define four strategies (11, 12, 13, 14) for controlling lean mixture operation of the engine (9), and in that the fuel feeder means (7, 8) are adapted to cause the engine to switch between its various strategies in order to keep the trap (1) in a temperature window of maximum effectiveness.

Abstract: An internal combustion engine having combustion cylinders capable of running on gasoline in either a spark ignition mode or in a homogenous charge compression mode. The allocation of cylinders in each mode is dynamic and may be dynamically controlled and varied during operating of the engine. Also, the engine may include plural aftertreatment systems which may be dynamically selected, typically based on the combustion mode(s) in which the cylinders are operating.

Abstract: A method and apparatus for treating fluid are provided. The fluid treatment device may include a housing having a fluid treatment element therein. The device may further include at least one of (i) an inlet channel coupled to the housing and configured to direct fluid toward the fluid treatment element and (ii) an outlet channel coupled to the housing and configured to direct fluid away from the fluid treatment element. The at least one of the inlet channel and the outlet channel may include a shell member having an inner diameter and defining a fluid passage. The at least one of the inlet channel and the outlet channel may further include a gate member coupled to and arranged at least partially within the shell member and extending longitudinally from a first gate member portion having a diameter less than the inner diameter of the shell member to a second gate member portion having a diameter greater than the inner diameter of the shell member.

Abstract: The apparatus of the present invention provides a torque converter that is looser at stall than it is at 0.8 speed ratio. The torque converter includes a stator having a plurality of stator blades. The stator blades each define a primary leading edge, a trailing edge, and preferably include a flange defining a secondary leading edge. The stator blade flange extends away from each blade such that the secondary leading edge points generally to the primary leading edge of a preceding stator blade. In this manner, the secondary leading edge is designed at stall to catch flow coming past the primary leading edge of the upstream blade and to redirect the flow back out of the front of the stator. The secondary leading edge is further designed to hide in the wake of the primary leading edge at higher speed ratios.

Abstract: A hydrostatic drive system consists of at least one hydraulic pump (100) and at least two hydraulic motors (104, 109, 125, 128, 131, 134, 137, 140). Said hydraulic pump (100) divides up its overall flow of hydraulic fluid over at least two partial flows of hydraulic fluid which are each delivered in a partial delivery line (101, 102) in a common cylinder drum (23) belonging to the hydraulic pump (100). A first hydraulic motor (104) driving a first drive line (105) is connected by its first connection (103) to the first connection (38) of the first partial delivery line (101) of the hydraulic pump (100), and by its second connection (107) to the second connection (56?) of the second partial delivery line (102) of said hydraulic pump (100).

Abstract: A turbocharger has a center housing (1) and a thin-walled exhaust housing (13). Both housings are connected to each other at cylindrical end portions (28, 27) thereof by use of a floating flange ring (16) having a clamping surface (26b) which upon applying an axial load exerts at least an axial force component for urging the cylindrical end portion (28) of the thin-walled housing (13) against the cylindrical end portion (27) of the center housing (1). The floating flange ring is connected to counter parts by screws, which counterparts are pressed against a flange portion of the center housing so as to clamp to walled housing by means of the floating flange ring.

Abstract: A turbocharger includes a compressor wheel having back-to-back impellers (i.e., a forward-facing impeller and a rearward-facing impeller) mounted on the same shaft. The two impellers are independently supplied with inlet air via separate inlet ducts and discharge pressurized air to a common volute. The inlet duct for the rearward-facing impeller comprises a generally axially extending tubular conduit having an upstream end and a downstream end, the tubular conduit being bifurcated at the downstream end into a pair of separate duct branches that divide an air stream flowing through the tubular conduit into a pair of separate air streams. The duct branches direct the air streams radially inwardly and then re-join the streams and turn the air to an axial direction into the second impeller.

Abstract: A turbocharger comprises a shaft connecting a turbine wheel, which is disposed in a turbine housing, to an impeller wheel. Between the two is a bearing system having a bearing housing and bearings for the shaft disposed therein. The shaft is fitted with at least one heat insulation between the turbine wheel and the bearing system, of which the heat conductivity is lower than that of the portions of the shaft which are adjoining said insulation and which hampers heat transmission through the shaft.

Abstract: Method and device (1) for boosting an intake pipe (4) of a turbocharged engine (5) with compressed gas. The method includes storing gases in a vessel (12) at a pressure greater than atmospheric pressure and, afterwards in injecting the gases into the intake pipe (4) in order to temporarily increase an inlet pressure during low-speed operation phases. The inventive device includes a connection for temporarily and alternately connecting the storing vessel (12) to an exhaust manifold (6) for recovering the gases during engine brake phases or to the intake pipe (4) during the temporary low-speed operation phases. The connection comprises a heat exchanger (10) mounted between the exhaust manifold (6) and the vessel (12).

Abstract: A fuel supply system for a gas turbine engine comprises a first positive displacement pump (16), a second positive displacement pump (27), said first and second positive displacement pumps (16, 27) being operable simultaneously for the supply of fuel from a low pressure source, and switching valve means (14) downstream of said first positive displacement pump (16) for changing a connection mode between said first and second positive displacement pumps (16, 27) between a series mode and a parallel mode.

Abstract: A mixer assembly and a method for forming a fuel-air mixture is combinable with a burner system of a heat engine, especially a gas turbine plant.

Abstract: The invention relates to the field of combustion chambers for aviation turbomachines. It relates to a combustion chamber having a chamber end wall that presents a plurality of air and fuel injector devices, each of the devices comprising a bowl and a deflector mounted on a main axis forming a heat shield disposed around the bowl which flares in the gas flow direction and possesses an annular portion, the interface between the bowl and the deflector being situated on this annular portion, at least a portion of said interface being situated towards the end of the annular portion that is downstream in the gas flow direction, such that an annular cavity is defined between the deflector and the downstream annular portion of the interface. First bowl holes are formed in the annular portion to open out in register with the edge of the chamber end wall that is in contact with the deflector in order to sustain a flow of air from upstream to downstream in the annular cavity.

Abstract: A system is provided for aerodynamically coupling air flow from a centrifugal compressor to an axial combustor. The system includes a diffuser, a deswirl assembly, combustor inner and outer annular liners, a combustor dome, and a curved annular plate. The diffuser has an inlet that communicates with the centrifugal compressor, an outlet, and a flow path that extends radially outward. The deswirl assembly has an inlet that communicates with the diffuser outlet to receive air flowing in a radially outward direction, an outlet, and a flow path configured to redirect the air in a radially inward and axial direction through the deswirl assembly outlet at an angle toward a longitudinal axis. The curved annular plate is coupled to combustor inner and outer annular liner upstream ends to form a combustor subplenum therebetween and has a first opening and a second opening formed therein, the first opening aligned with the deswirl assembly outlet to receive air discharged therefrom.

Abstract: A combustion liner for a gas turbine combustion system is provided. The combustion liner comprises a combustion zone between an inlet end and an exhaust end. The combustion liner comprises a one-piece casting construction. The combustion liner is formed from a nickel-based superalloy having strength characteristics.

Abstract: The subject invention is directed to a control system for a turboshaft engine utilized in a helicopter which includes means for providing minimum fuel flow to the engine when an overspeed condition is detected at a relatively low altitude (e.g., below 10,000 feet), and means for shutting off fuel flow to the engine, and thus shutting down the engine, when an overspeed, loss of load condition is detected at a relatively high altitude (e.g. above 10,000 feet). The overspeed, loss of load condition is detected along two different engine speed signal paths, including a derivative path and a non-derivative path.

Abstract: Methods and systems for operating a gas turbine engine system include an electrical generator configured to provide electrical energy to a load, a gas turbine engine including at least one combustor that includes a plurality of fuel injection points configured to inject a fuel into the combustor at a plurality of different locations wherein the combustor configured to combust the fuel and the gas turbine engine is rotatably coupled to the generator through a shaft. The gas turbine engine system includes a control system including a plurality of sensors positioned about the gas turbine engine system and configured to measure at least one parameter associated with the sensor, a processor programmed to receive a signal indicative of a heating value of the fuel, and automatically control a fuel split between the fuel injection points on the combustor using the determined heating value.

Abstract: A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar, is achieved by providing at least one liquid droplet injection device on the upstream side of the compressor for injecting liquid into the stream of intake air. The injection device allows the addition of liquid mass flow in the form of liquid droplets corresponding to the desired increase of shaft power. The amount of water mass flow corresponding to the desired increase or decrease of shaft power output is added or reduced in a substantially stepless manner immediately within a time interval determined by design characteristics of the injection device. Water mass flow is preferentially injected substantially across the entire cross-section of the intake air guide.

Abstract: Methods and apparatus for fast starting and loading a combined cycle power system are described. In one example embodiment, the method includes loading the gas turbine at up to it's maximum rate, and loading the steam turbine at its maximum rate with excess steam bypassed to the condenser while maintaining the temperature of steam supplied to the steam turbine at a substantially constant temperature from initial steam admission into the steam turbine until all steam generated by the heat recovery steam generator is being admitted to the steam turbine while the gas turbine operates at up to maximum load.