Abstract: A steam turbine system including a steam turbine is provided, the steam turbine having an incoming and an outgoing steam side, and a turbine housing with a feed-through for a turbine shaft with a seal, whereby a fluid flow through the feed-through can be minimized, and a steam conducting system to the seal is present. The steam turbine includes a first sub-section a second sub-section, and a connecting line to a region of low pressure between two sub-sections. A steam supply through the steam conducting system is possible for starting up the steam turbine such that a steam flow from the outgoing steam side to the connecting line to the region of low pressure is possible, an incoming steam feed line has a shut-off that can be controlled such that a steam flow from the incoming steam side to the connecting line to the region of low pressure.

Abstract: In various aspects, a method for producing electricity by operating two or more turbines in series is provided. The method can include introducing, at least part of, the exhaust from an upstream turbine into a combustion chamber of a downstream turbine. In one aspect, exhaust from the upstream turbine is introduced into the downstream turbine's combustion chamber via the downstream turbine's compression chamber.

Abstract: A valve lifter assembly for an engine may include a valve lifter body, a roller pin mounted in the valve lifter body and having a crowned barrel portion, and a substantially cylindrical roller mounted about the crowned barrel portion of the roller pin. The roller may have a crowned outer surface with a cylindrical center portion having a constant outer diameter equal to a roller maximum outer diameter, and oppositely disposed variable outer diameter outer portions extending outwardly from either side of the cylindrical center portion toward corresponding roller ends of the roller with a roller outer diameter decreasing as the variable outer diameter outer portions extend outwardly from the cylindrical center portion. The valve lifter assembly may further include a clip having engagement surfaces that are machined to have complimentary shapes to corresponding engagement surfaces of the valve lifter body.

Abstract: A cam follower for a valve train of an internal combustion engine, the cam follower being formed as a lever, which is U-shaped in cross-section, and produced from steel sheet without machining, and which has a floor wall (3) and lateral walls (4 and 5) extending therefrom, wherein a valve stem support (10) is disposed as a groove (11) at one end of the lever in a surface of the floor wall (3) facing away from the lateral walls (4 and 5). Lateral guide walls (12 and 13) of the valve stem support (10) are formed by chipless shaping so as to extend from and counter to the lateral walls (4 and 5) and are connected to a support wall (14) that forms a valve stem support surface (10a). The valve stem support surface (10a) extends in a first plane (10b), which is spaced from a second plane (16a), which extends through an internal transition (15, 16) between the lateral walls (4 and 5) and the adjacent guide walls (12 and 13), in the direction of ends (19, 20) of the lateral walls (4 and 5).

Abstract: A method for estimating the angular position of a crankshaft of a 4-stroke internal combustion engine prior to synchronization of the engine having a plurality of camshafts provided with a number n of targets (CAM_i) secured respectively to n camshafts, each target defining a plurality of events over one revolution of the camshaft to which it is secured, the crankshaft having a securely attached target (CRK) including a plurality of standard teeth and at least one reference tooth which define a plurality of events over one crankshaft revolution, the method including: estimating a range of plausible positions of the crankshaft prior to synchronization, at a given moment, from events detected on the n camshaft targets, correlated with events detected on the crankshaft target, as corresponding to the shortest angular window that is common to all the members of rank i using the following formula: Pos_Crk ? _est = ? i = 1 i = n ? ? _ ? ? CAM ? List_event ? _plaus ? _CAM ? _i + Dist_ang

Abstract: A valve timing control apparatus for an internal combustion engine includes: a power feeding brush including a tip end portion arranged to be slidably abutted on the slip ring; and a rotation angle sensing mechanism provided between one end portion of the motor output shaft, and the cover member confronting the one end portion of the motor output shaft, and arranged to sense a rotation angle of the motor output shaft, the power feeding brush being disposed in a range in which the power feeding brush is slid on the slip ring, in a range from a position which is deviated a predetermined angle in a rotation direction of the motor housing from an uppermost position of the other of the electric motor and the cover member in a vertical direction, to a lowermost position.

Abstract: A control valve includes a valve case, a spool accommodated in the valve case, an electromagnetic solenoid operating the spool along a spool axis extending in a longitudinal direction, the valve case including a pump port, an advanced angle port, a retarded angle port, and an unlocking port, the spool being operated to at least five positions, and a lock control fluid passage formed inside the spool in an attitude along the spool axis, the lock control fluid passage allowing the fluid from the pump port to be supplied only to the unlocking port irrespective of the position of the spool when the spool is operated to any one of the positions at which the fluid is supplied from the pump port to the unlocking port.

Abstract: A valve timing controller has a driving rotor, a driven rotor, and a planet gear engaged with the driving rotor and the driven rotor to control a rotation phase of the driven rotor relative to the driving rotor by carrying out planet movement. The driven rotor has a contact surface in contact with a tip end of a chamfering portion of a camshaft, and a feed port passing through the driven rotor in an axial direction to introduce lubricant supplied from the camshaft into the driving rotor. The feed port has an outer edge part located on a radially outer side. The outer edge part, on a side adjacent to the contact surface, is located on a radially outer side of the tip end of the chamfering portion and is located on a radially inner side of an outer circumference part of the journal portion.

Abstract: A variable valve actuating mechanism comprising a camshaft having two concentric cam lobes that may be rotated relative to one another a summation lever engaging with both cam lobes, a valve actuating rocker pivotally connected to the summation lever and engaging with a hydraulic lash adjuster at a first end and with a valve at a second end, and a shim surface movable with the pivot axis connecting the summation lever to the valve actuating rocker for limiting the expansion of the hydraulic lash adjuster to control clearance in the rocker system, wherein, in order to reduce friction, the shim surface abuts with a stationary stop surface that forms part of a camshaft support bearing.

Abstract: The valve seat includes an iron-based sintered alloy subjected to oxidation treatment, which is obtained by subjecting an iron-based sintered alloy including: 4 mass % to 15 mass % of Co particles; and hard particles each containing at least one compound of an intermetallic compound, a carbide, a silicide, a nitride, or a boride that has one or more kinds of elements selected from group 4a to 6a elements in a periodic table, and having a hardness of from 600 HV to 1,600 HV to oxidation treatment, and which has an oxide mainly including triiron tetraoxide (Fe3O4) and cobalt oxide (CoO) formed on a surface and in an interior of the iron-based sintered alloy. The iron-based sintered alloy subjected to oxidation treatment has an area ratio of the oxide of from 5% to 25% in a cross section thereof in a state prior to installation on the cylinder head.

Abstract: The present invention provides a variable valve mechanism of an internal combustion engine, which includes a rocker arm that is swingably supported by a single pivot, and a switching device that operates the rocker arm to switch a drive state of the valve, in which the rocker arm is configured such that at least in a predetermined drive state, a pressing force of the cam is applied disproportionately to one side of the rocker arm in a width direction with respect to a center line when the cam presses a portion of the rocker arm located away from the center line in the width direction. The variable valve mechanism further includes a swing guide that abuts against the rocker arm so that the rocker arm is guided in a swing direction so as not to be tilted in the width direction.

Abstract: A variable valve lift apparatus may include an outer body, an inner body inserted in the outer body to move up and down in the outer body, a valve cylinder inserted in the outer body on a lower side of the inner body to have one side coupled to the inner body and the other side coupled to the valve, a latching member provided either to the outer body or to the inner body to be operated by a hydraulic pressure for coupling to the outer body and the inner body selectively, a hydraulic chamber formed between the outer body and the inner body, a latching flow passage formed in the outer body to supply the hydraulic pressure to the latching member, and an oil removal valve provided to drain a fluid.

Abstract: One variation may include a product comprising a piston oil squirting system comprising at least one piston oil squirter operatively communicating with at least one engine oil channel and which is constructed and arranged to squirt oil at at least one piston; and at least one mechanism which is constructed and arranged to control a flow rate and a timing of at least one oil jet stream from the at least one piston oil squirter so that the oil jet stream flows at single or multiple intervals from a zero to a maximum flow rate within an engine cycle or a crankshaft revolution.

Abstract: A hydraulic oil supply apparatus includes an oil pump discharging hydraulic oil, a common oil passage through which the discharged hydraulic oil flows, a first oil passage branched from the common oil passage to supply the hydraulic oil to a valve opening and closing timing control apparatus, a second oil passage supplying the hydraulic oil to a main gallery, and a flow control valve decreasing a volume of hydraulic oil flowing through the first oil passage with an increase of hydraulic pressure of the hydraulic oil discharged from the oil pump so as to increase a volume of hydraulic oil flowing through the second oil passage. In the hydraulic oil supply apparatus, hydraulic pressure generated from the hydraulic oil passing through a valve body of the flow control valve is applied to the valve body as a force against a force of a biasing member that biases the valve body.

Abstract: An internal combustion engine has a crankcase and a crankcase ventilation system having a switchable shut-off valve, and sensors that detect different operating parameters of the engine, including a load variable of the engine. An estimated load parameter is determined based on the different detected operating parameters using a dynamic model, and a corrective value of a characteristic value is determined as a function of a deviation between the estimated load variable and the detected load variable. To implement a diagnosis, diagnosis switching cycle(s) are controlled, in which the shut-off valve is set to a closed switched position for a first time and set to an open switched position for a second time. A diagnosis value representative of a shut-off valve being in a correct or incorrect state is determined based on a change to the corrective value in response to the one or the plurality of diagnosis switching cycles.

Abstract: An internal combustion engine having manifold ports and positive crankcase ventilation (PCV) passages integrated into the cam cover is disclosed. The engine system comprises a cam cover having an internal, gas-passing passage, a PCV valve associated with the passage, an oil separator associated with the PCV valve, and an intake manifold having a port, the port being associated with the PCV valve. An oil separator is fitted between the gas-passing passage and the PCV valve. The oil separator is mounted on the cam cover. A manifold chamber is also provided and the PCV oil separator is associated with the manifold chamber.

Abstract: The invention relates to a device and method for metering a liquid, in particular a fuel, into an exhaust gas tract of an internal combustion engine, wherein the device comprises at least one injection valve that can be closed by a closing member and that has cooling circuit for regulating the temperature in the injection valve, and wherein a throttle element is connected upstream of the injection valve to control, by closed loop or open loop, the quantity of a volume flow of the liquid through the injection valve, in particular through the cooling circuit of the injection valve, wherein the injection valve opens when the throttle element de-throttles the volume flow of the liquid to the injection valve.

Abstract: A honeycomb catalyst support structure including a honeycomb body and an outer layer or skin formed of a cement is described. The cement includes an amorphous glass powder with a multimodal particle size distribution applied to an exterior surface of the honeycomb body. The multimodal particle size distribution is achieved through the use of a first glass powder having a first median particle size and at least a second glass powder having a second median particle size. In some embodiments, the first and second glass powders are the same amorphous glass consisting of fused silica. The cement may further include a fine-grained, sub-micron sized silica in the form of colloidal silica. The cement exhibits a coefficient of thermal expansion less than 15×10?7/° C., and preferably about 5×10?7/° C. after drying.

Abstract: An engine device is provided with an urea mixing pipe which injects urea water into exhaust gas of an engine, and an exhaust gas purification case which removes nitrogen oxide in the exhaust gas of the engine, and is structured such that an exhaust gas inlet pipe of the exhaust gas purification case is connected to an outlet of the urea mixing pipe via a flange body. Exhaust gas outlet side end portions of an outer pipe and an inner pipe of the urea mixing pipe having a double-pipe structure are connected to exhaust gas inlet side end portions of an outer pipe and an inner pipe of the exhaust gas inlet pipe having a double-pipe structure. Fitting small-diameter portions are formed in an end portion of the inner pipe of the urea mixing pipe, and the fitting small-diameter portions are inward insert to an inner portion of the inner pipe of the exhaust gas inlet pipe.

Abstract: Methods and systems are provided for controlling and coordinating control of a post-catalyst exhaust throttle and an EGR valve to expedite catalyst heating. By closing both valves during an engine cold start, an elevated exhaust backpressure and increased heat rejection at an EGR cooler can be synergistically used to warm each of an engine and an exhaust catalyst. The valves may also be controlled to vary an amount of exhaust flowing through an exhaust venturi so as to meet engine vacuum needs while providing a desired amount of engine EGR.

Abstract: A work vehicle includes an engine, a fuel tank that has a fuel supply inlet and stores engine fuel, and a liquid tank that has a liquid supply inlet and stores purification liquid that is used in purification of engine exhaust gas. The liquid tank is protected by the fuel tank so that the liquid tank is not directly exposed to hot air from the engine.

Abstract: A mixing and/or evaporating device (12) for an exhaust system (5) of an internal combustion engine (1) encloses in the circumferential direction a cross section, through which flow is possible. The device (12) has two mutually opposite long side walls (21, 22) and two mutually opposite short side walls (23, 24). The short side walls (23, 24) connect each the two long side walls (21, 22) to one another. A plurality of guide blades (25), which project in the direction of the other long side wall (21, 22) and are set at an angle in relation to the axial direction (20), are arranged at at least one axial end (26, 27) at at least one long side wall (21, 22). Additional guide blades (29) are arranged at at least one long side wall (21, 22) at a distance (s) in the axial direction (20) from an axial end (26).

Abstract: A conveying unit which can be mounted in a tank for conveying a liquid additive from the tank includes a filling level sensor which can emit and receive waves that are reflected back to the filling level sensor at a surface of liquid in the tank, so that a filling level measurement can be carried out by measuring the transit time of the waves. The conveying unit has at least one additional sensor device or sensor with which it is possible to determine if there is frozen additive in the tank. A tank for storing a liquid additive, a motor vehicle having the conveying unit and a method for determining a liquid additive quantity in a tank are also provided.

Abstract: A reducing agent supplying device is for a fuel combustion system that includes a NOx purifying device with a reducing catalyst arranged in an exhaust passage to purify NOx contained in exhaust gas of an internal combustion engine. The reducing agent supplying device supplies a reducing agent into the exhaust passage at a position upstream of the reducing catalyst. The reducing agent supplying device includes a reforming portion and a reformation suppressing portion. The reforming portion reforms the reducing agent by partially oxidizing the reducing agent. When a temperature of the reducing agent is higher than a first specified temperature that is equal to or higher than an activation temperature of the reducing catalyst, the reformation suppressing portion (i) suppresses the degree of reformation of the reducing agent in comparison with when a temperature of the reducing agent is lower than the first specified temperature, or (ii) stops the reformation of the reducing agent.

Abstract: A supply system for a liquid includes a liquid tank, a supply line, a pump, a filter, and a device that makes it possible to purge the line, pump, and filter. The supply system further includes a non-return device preventing liquid from entering into these elements once they have been purged. In this system, the pump, filter and non-return device are combined in a compact module. The filter at least partly surrounds the pump. The non-return device is an integral part of a common housing that surrounds the filter and at least one part of the pump.

Abstract: An engine including a WHR system includes a clutch positioned to engage or disengage a WHR feedpump that moves working fluid through a WHR circuit. The clutch engages or disengages the feedpump under certain operating conditions of the engine and/or the WHR system, and/or at the request of an operator of the engine. Conditions may include cool or cold components, and insufficient working fluid. The operator may also request the clutch be disengaged, such as might be advantageous if the operator detects an operational problem with the WHR system or determines there is an advantage to operating the engine without the WHR system.

Abstract: Solid storage media stores a reductant in a reductant source that is released from the solid storage media in a gaseous form into an exhaust system. A leak detection and/or leak mitigation system, method and apparatus is disclosed for the gaseous reductant.

Abstract: The invention relates to a method for diagnosing a particulate filter by means of a soot sensor, the method being based on the direct analysis of the temporal signal supplied by the soot sensor (CAP) and the use of the available quantities (PAR) in the control unit of the heat engine. These data allow for a classification (CLA) of an indicator correlated to the cumulative quantity of soot (RES) in a multidimensional space (GRA). Based on the classification (CLA), the existence of a failure of the particulate filter is determined.

Abstract: An aftertreatment module for the treatment of exhaust gasses from a power system includes a first aftertreatment brick and a second aftertreatment brick. The first and second aftertreatment bricks can be flow-through type catalysts for catalyzing byproducts in the exhaust gasses. The aftertreatment module can include a first channel directing the incoming exhaust gasses in a first direction through the first aftertreatment brick and a second channel directing the exhaust gasses through the second aftertreatment brick. The first and second channel can be in a side-by-side arrangement. To communicate the exhaust gasses between the first and second channels, a traverse channel can redirect the gas flow within the aftertreatment module.

Abstract: A heat exchanger for a vehicle includes a heat radiating portion provided with first, second and third connecting lines receiving first, second and third operating fluids, respectively, which heat-exchange with each other while passing through the first, second and third connecting lines, a bifurcating portion adapted for one of the operating fluids to bypass the heat radiating portion according to a temperature of the one operating fluid, and a valve unit mounted at an inflow hole forming the bifurcating portion, selectively opening or closing one of the connecting lines, wherein a plurality of inflow holes and a plurality of exhaust holes for the first, second and third operating fluid are formed in the heat radiating portion and the bifurcating portion.

Abstract: An air intake adjusting system for a motor vehicle includes a plurality of struts which are arranged at distances from one another and can each be rotated about an axis of rotation such that, in a first position of the struts, the air intake adjusting system is open and, in a second position of the struts, the air intake adjusting system is closed. The struts each have a rotating section, through which the axis of rotation of the respective strut extends, and a flap section, which extends from the rotating section and, in the second position, rests against the rotating section of an adjacent strut. The rotating sections of the struts each have a first side and a second side which, when the struts are in the second position, converge against an intended approach flow direction of the air intake adjusting system such that they form an approach flow edge.

Abstract: Methods and systems are provided for adjusting a fuel injection split between a direct injection and a port injection based on engine vacuum demand. When more intake manifold vacuum is required, relatively more direct injection is used to take advantage of the associated throttling for generating vacuum. The vacuum may then be used for canister purging, crankcase ventilation, or actuating an engine vacuum consumption device.

Abstract: Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.

Abstract: A turbine housing includes a bore, a wastegate seat and a wastegate passage; a bushing disposed at least in part in the bore; a rotatable wastegate shaft that includes a shoulder and a control end; a control arm operatively coupled to the wastegate shaft where the bushing is disposed between a surface of the control arm and the shoulder; a wastegate arm that extends from the wastegate shaft where the shoulder is disposed between the wastegate arm and the control end of the wastegate shaft; and a wastegate plug that extends from the wastegate arm where the wastegate plug includes a toroidal surface defined by a portion of a torus where, in a closed state, the toroidal surface contacts the conical surface of the wastegate seat to cover the wastegate passage.

Abstract: A system and method for improving engine starting and stopping is described. In one example, turbine vanes are adjusted to increase engine exhaust backpressure to reduce engine stopping time and to limit engine speed overshoot during engine starting. The system and method may reduce engine emissions and improve a vehicle driving experience.

Abstract: A rotary engine includes: a frame; a flywheel rotor having an axle rotatably mounted on the frame; a plurality of erectable pistons respectively mounted in an annular trough concentrically recessed in a rim of the flywheel rotor; and a cylinder block fastened on a housing secured to the frame and cooperatively forming an engine cylinder with the annular trough of the flywheel rotor, whereby each erectable piston is operatively erected beyond a cylinder head of the engine cylinder to dynamically define an instant combustion chamber among the cylinder head, the cylinder block, the piston and the annular trough of the rotor; and whereby upon combustion and explosion in the combustion chamber, the explosion gases will force and drive the erectable piston to rotate the flywheel rotor for outputting mechanical energy.

Abstract: An assembly for supplying electrical energy to electrical traction motors in a rail vehicle, wherein the assembly includes at least one internal combustion engine, a generator allocated to the at least one internal combustion engine for generating the electrical energy, wherein the generator is mechanically coupled to the internal combustion engine such that it is driven by the internal combustion engine upon generator operation of the generator, a rectifier for rectifying an electrical alternating current generated by the generator, a direct voltage intermediate circuit that is electrically connected to the generator via the rectifier, a generator inverter that is present in addition to the rectifier or that is the rectifier operated in the inverter mode, wherein the generator inverter connects the direct voltage intermediate circuit to the generator in order to operate the generator in a motor mode as a motor, and a control for controlling the motor mode of the generator.

Abstract: A bi-directional tractor exhaust system with ground speed detection includes a downwardly directed exhaust pipe, an upwardly directed exhaust pipe, and an intermediate exhaust pipe connected to the outlet of a diesel particulate filter. An exhaust pipe valve may be opened or closed by an actuator to direct exhaust through the downwardly directed exhaust pipe during regeneration of the diesel particulate filter if a signal from a ground speed sensor indicates ground speed above a first speed, or through the upwardly directed exhaust pipe if the ground speed is below a second speed.

Abstract: Active acoustic velocity and pyrometry-based gas flow velocity and temperature measurement, such as for monitoring of gas turbine combustors, including industrial gas turbine (IGT) combustors is incorporated into the combustion monitoring and control system by addition of an acoustic transmitter or acoustic transceiver that transmits a sound wave in a line-of-sight with a plurality of acoustic sensors, such as dynamic pressure sensors. For velocity measurement, sound transmission time-of-flight that is directed generally along the gas flow path is measured by the controller and correlated with gas flow velocity along the line-of-sight. Similarly, sound transmission time-of-flight is correlated with temperature along the line-of-sight. Path(s) of acoustic transmission serve as velocity or velocity/absolute temperature measurement.

Abstract: A dual compressor turbocharger includes two compressors. One compressor supplies fuel pressure, and one compressor supplies air pressure. The dual compressor turbocharger includes a turbine driven by exhaust of an engine and a shaft coupled to the turbine. The first compressor is mounted on the shaft and includes a first inlet coupled to an air supply and a first outlet coupled to an air intake of the engine. The second compressor is mounted on the shaft and includes a second inlet coupled to a fuel supply and a second outlet coupled to a fuel supply rail of the engine.

Abstract: Systems and methods for implementing the systems includes aeroderivative gas turbine subsystem and an energy extraction subsystem extracting energy from an exhaust of the aeroderivative gas turbine subsystem, where the energy extraction subsystem includes a heat exchange subsystem, a dual pressure turbine subsystem, and a condensation-thermal compression subsystem and where an intercooler portion of the heat recovery and vapor generator subsystem permits a working fluid flow rate to be increased to relative to a flow of the exhaust stream resulting in a bottoming cycle gross output increase of at least 23% relative a dual pressure Rankine cycle bottoming cycle, a bottoming cycle net output increase of at least 25% relative a dual pressure Rankine cycle bottoming cycle, a combined cycle net output increase of at least 5.5% relative a dual pressure Rankine cycle bottoming cycle, and a combined cycle efficiency increase to at least 54% relative to 51.1% for a dual pressure Rankine cycle bottoming cycle.

Abstract: The chamber (4) of the turbine engine (1) comprises a continuous detonation wave engine (6) provided with an annular detonation chamber (7) and associated means (8, 9) that can be used to generate a continuous production of hot gases from a detonation mixture of fuel and air. The continuous detonation wave engine (6) is arranged such as to form, from a flow of incoming air (E), a first flow (F1) which enters the detonation chamber (7) and which is used by the engine (6) and a second flow (F2) which bypasses the chamber. The turbine engine (1) also includes auxiliary means (10) for mixing the hot gases (F3) leaving the detonation chamber (7) with the second flow of air (F2) before directing same towards the turbine (5). A plurality of detonation chambers (7) are arranged concentrically to one another relative to the axis of the turbine engine.

Abstract: A fuel injector for a gas turbine engine includes a nozzle tip assembly having a substantially monolithically formed nozzle body. The nozzle body has an annular outlet chamber for issuing a spray from the nozzle tip. A feed channel is in fluid communication with the outlet chamber through a feed passage. A heat shield void substantially surrounds the feed channel(s).

Abstract: A segment of a fluid manifold includes a flexible thermal shield with an insulation space defined inboard of the thermal shield to provide thermal isolation from conditions external to the thermal shield. The thermal shield includes a helically corrugated metal tube having opposed first and second ends. An outer collar is threaded to an end of the helically corrugated metal tube. The outer collar includes a crimped portion and an uncrimped portion. The uncrimped portion is spaced apart from the corrugated helical metal tube more than the crimped portion to define a vent between the outer collar and the corrugated helical metal tube in venting communication with the insulation space to vent hot gases.

Abstract: A fuel divider included in a fuel supply device of a gas turbine engine includes a movable member which is movable according to a fuel pressure at a fuel entrance, opens only a pilot port when the fuel pressure at the fuel entrance is lower than a first pressure, and opens both of the pilot port and the main port when the fuel pressure at the fuel entrance is higher than the first pressure. In addition, the fuel divider includes an adjusting means which adjusts a value of the first pressure in such a manner that it applies to the movable member a counter force in a direction opposite to a direction in which the movable member moves according to the fuel pressure at the fuel entrance, and adjusts the counter force.

Abstract: A method and system for measuring a flow profile in a portion of a flow path in a turbine engine is provided. The system includes a mass flow sensor assembly having a plurality of hot wire mass flow sensors, the mass flow sensor assembly disposed in the portion of the flow path at a location where the flow profile is to be measured. The system also includes a controller that converts signals from the temperature sensor, the pressure sensor and the plurality of hot wire mass flow sensors to flow profile measurements.

Abstract: A system for operating a gas turbine includes a controller configured to execute logic stored in a memory that causes the controller to determine a frequency, a coherence and, optionally, a phase and/or an amplitude, of a combustion instability; to compare the frequency and the coherence, and, optionally, the phase and/or the amplitude, of the combustion instability to a respective predetermined limit; and to adjust at least one parameter of the gas turbine if the frequency, the coherence, and, optionally, the phase and/or the amplitude of the combustion instability is actionable relative to the respective predetermined limit. A related method of operating the gas turbine is also disclosed.

Abstract: An apparatus for controlling an aeroplane gas turbine engine has various sensors and devices for operating the engine, and two control channels each calculating a command value for controlling operation of the engine based on signals outputted from the sensors. In each of the control channels, it is determined whether any of the sensors and devices is abnormal based on the signals to determine a failure level of the control channel concerned with a numerical value. The failure level is compared with that of the other control channel and based thereon, the command value calculated by the control channel of smaller failure level is sent to the devices. With this, even when both control channels are failed, the engine control can be continued with taking the failure level into account.

Abstract: A driving force control device includes a controller. The controller is configured to increase driving force of a vehicle in accordance with a driver's operation to request acceleration. The controller is configured to restrict subsequent increase of the actual driving force when it determines that increase of actual driving force of the vehicle stagnates, relative to required driving force determined according to at least the driver's operation to request acceleration. The controller is configured to restrict the increase of the actual driving force so that a rate of increase of the actual driving force is reduced as a stagnation period for which the increase of the actual driving force stagnates is longer.

Abstract: A method for detecting coking in the intake tract of an internal combustion engine having direct fuel injection is provided. The internal combustion engine has variable intake valve control. The variable intake valve control makes it possible to change the open time of the intake valves in relation to the crank angle of the crankshaft. In the method, the internal combustion engine is operated in idling mode at an idling rotational speed that is elevated in comparison with the normal idling operation. In order to perform the measurement, the open time of the intake valves is also shifted in an advanced direction. An uneven-running characteristic value of the internal combustion engine that is characteristic of the uneven running of the internal combustion engine is determined, and the presence of coking in the intake tract can be detected on the basis of the uneven-running characteristic value.