Abstract: A turbine shroud for a gas turbine engine includes a plurality of shroud segments arranged around a central axis. Each shroud segment includes a carrier segment, a blade track segment, and a radial seal element that seals a radial interface between the carrier segment and the blade track segment. The turbine shroud further includes a plurality of circumferential seals that seal circumferential interfaces between the shroud segments.

Abstract: The present disclosure is directed to a retention assembly for a stationary gas turbine component. A first stationary gas turbine wall defines a first wall cavity and a second stationary gas turbine wall constructed from a ceramic matrix composite defines a second wall cavity. A pin shaft constructed from a first material includes a first shaft end and a second shaft end. A pin head constructed from the ceramic matrix composite includes a first pin head end and a second pin head end. The pin head defines a pin head cavity extending inward from the first pin head end. The first shaft end is positioned in the first wall cavity, and the second shaft end is positioned in the pin head cavity. The second pin head end is positioned in the second wall cavity. The first material is different from the ceramic matrix composite.

Abstract: Systems are provided for a reinforcement element coupled to a sheet metal turbine housing that imparts desirable thermal-protective and structurally strengthening characteristics to the housing layers. In one example, a system may include a turbine comprising a housing surrounding a turbine rotor, the housing having an outer layer surrounding an inner layer at a distance to form an intermediate space between the inner and outer layers. Moreover, disposed in the intermediate space is a reinforcement element coupled to the inner and outer layers, providing strength and consistent rigidity without a significant increase in weight to the housing.

Abstract: A gas turbine engine is provided. The gas turbine engine may include a geared architecture, a central body support and a bearing package. The geared architecture may interconnect a spool and a fan rotatable about an axis. The central body support may provide an annular wall for a core flow path and an integral flex support inwardly extending therefrom. The integral flex support may couple the geared architecture to the central body support. The bearing package may include a bearing support removably coupled to the integral flex support.

Abstract: A hub of an intermediate casing for an aircraft turbojet engine, including an inner shell intended to define a primary flow space of a primary gas stream into a turbojet engine, and at least one intermediate space, the inner shell being provided with at least one primary port and at least one movable door forming a primary air passage conduit, the door being capable of collecting, from the primary port, air flowing in the primary gas space and of sending the air collected in this way, via the intermediate space, towards a secondary air passage conduit. The primary conduit has an inner surface including, from upstream to downstream, a converging upstream part, then a nonconverging downstream part, in which the downstream part includes two portions of downstream side surface, and in which the upstream portion further includes two portions of upstream side surface.

Abstract: A support structure suitable for interposing between the engine and the nacelle of an aeroengine and suitable for being fastened on an intermediate casing is provided. The structure includes a shroud having a plurality of sectors, a plurality of radial arms each installed between two adjacent shroud sectors, and a plurality of fasteners for fastening the plurality of shroud sectors to the plurality of radial arms. The shroud sectors and radial arms form a skeleton for transmitting structural forces within the intermediate casing. The structure includes non-structural fairings mounted on the skeleton and suitable for reconstituting the airflow passage. Each of the shroud sectors and radial arms is formed by a metal frame without mechanical discontinuity, each shroud sector metal frame defining at least one opening that is closed by a cover and each radial arm metal frame defining at least one orifice for receiving a closure plate.

Abstract: A system for maintaining a position of a bearing compartment in a gas turbine during disassembly of a low-pressure turbine of the gas turbine engine includes a forward annular shaft defining an engine centerline axis. The system includes a ring radially inward from and engaged with an inner diameter surface of the forward annular shaft. An aft annular shaft is radially inward from the forward annular shaft and aft of the ring. The ring is connected to a forward end of the aft annular shaft for common rotation therewith. The ring retains the aft annular shaft during disassembly. The system includes a stack nut axially held between an aft facing shoulder of the forward annular stub shaft and a forward facing surface of the ring to retain the stack nut during disassembly.

Abstract: There is provided a steam power cycle system in which steam power cycles using pure materials as a working fluid is used in a multiple stage to reduce pressure loss in the flow channels in the respective heat exchanger so that the fluid serving as heat sources has been caused to make an effective heat exchange with the working fluid. More specifically, not only that the respective flow channels for the fluid serving as heat sources in the evaporator and the condenser in the respective steam power cycle units are connected in series to each other, but the evaporator and the condenser comprise a cross-flow type heat exchanger and are arranged respectively in a flowing direction of the fluid serving as heat source. Consequently, it is possible to reduce the length of the flow channels to the minimum necessary, simplify the flow channel structure, and reduce the pressure loss.

Abstract: A control method for optimizing or enhancing an operation of a power plant that includes thermal generating units for generating electricity. The power plant may include multiple possible operating modes differentiated by characteristics of operating parameters. The method may include tuning a power plant model so to configure a tuned power plant model. The method may further include simulating proposed operating modes of the power plant with the tuned power plant model. The simulating may include a simulation procedure that includes: defining a second operating period; selecting the proposed operating modes from the possible operating modes; with the tuned power plant model, performing a simulation run for each of the proposed operating modes whereby the operation of the power plant during the second operating period is simulated; and obtaining simulation results from each of the simulation runs.

Abstract: A power generation system having a gas turbine, a fuel cell, an exhaust air circulation line, an exhaust fuel gas supply line, a turbine, an exhaust heat recovery boiler, and at least one exhaust air heat exchanger. The turbine is equipped with a high-pressure turbine, a medium-pressure turbine, and a low-pressure turbine. The exhaust heat recovery boiler is equipped with a high-pressure steam circulation mechanism, a medium-pressure steam circulation mechanism, and a low-pressure steam circulation mechanism. The exhaust air heat exchanger exchanges heat between the steam exchanging heat with the exhaust gas in the high-pressure steam circulation mechanism or the medium-pressure steam circulation mechanism and flowing toward the turbine and the exhaust gas flowing through the exhaust air circulation line, thereby increasing the temperature of the steam and decreasing the temperature of the exhaust gas.

Abstract: A combined cycle power plant includes a gas turbine having a primary flow passage, a heat recovery steam generator having a heat exchanger disposed downstream from the primary flow passage, an exhaust stack in fluid communication with the primary flow passage and disposed downstream from the heat recovery steam generator and a reversible turning gear coupled to a rotor shaft of the gas turbine. The reversible turning gear counter rotates the rotor shaft during turning gear counter rotation operation of the gas turbine and reverses flow of combustion exhaust gas from the exhaust stack through the heat exchanger and back into the primary flow passage of the gas turbine, thereby conserving thermal energy stored in the heat recovery steam generator. A method for conserving thermal energy of a combined cycle power plant during counter rotation turning gear operation of the gas turbine is also disclosed.

Abstract: Provided is a heat-collecting-type power generation system capable of maintaining a stable power generation efficiency even if supplied heat varies. The system includes an evaporator that heats and vaporizes a working medium; a displacement-type expander driven by the vaporized working medium; a power generator driven together with the expander; a condenser that cools and condenses the gas-phase working medium sent from the expander; and a circulation pump that draws the condensed liquid-phase working medium, raises pressure and transports the same to the evaporator, wherein the expander includes a plurality of expansion parts that expand the working medium stepwise, and internal volume ratios of the expansion parts are adjusted in a design phase, so that if at least one of a suction pressure and a discharge pressure of the expander varies, an overall thermal insulation efficiency is 70 percent or more, in a range of the variation.

Abstract: A variable valve apparatus for an internal combustion engine according to the present invention comprises a cam base member rotating with rotation of a camshaft and a cam lobe member. The cam lobe member is movable to the cam base member, between a projecting position where the cam part radially projects and a retreat position where the cam part is retreated. A resilient member urges the cam lobe member toward the projecting position. A movement control apparatus includes a drive member provided for driving the cam lobe member, and the drive member is fixed to the cam lobe member. When the cam lobe member is in a non-fixing state to the cam base member, the cam lobe member is moved from the projecting position to the retreat position with the drive member being pressed.

Abstract: A switchable valve train assembly including a rocker shaft is provided. The rocker shaft includes a first chamber extending between a first axial end and a second axial end of the rocker shaft and a second chamber extending between the first axial end and the second axial end of the rocker shaft. A seepage orifice is defined between the first chamber and the second chamber and provides a fluid connection between the first chamber and the second chamber. The first chamber includes a first actuator port in fluid connection with a first intake port for a hydraulic lash adjuster. The second chamber includes a second actuator port in fluid connection with a second intake port for a locking assembly.

Abstract: A hollow rocker shaft including a central opening defined by a radially inner surface and a separator secured in the central opening of the rocker shaft is provided. A radially outer surface of the separator engages the radially inner surface of the rocker shaft via a press-fit. The separator divides the central opening of the rocker shaft into (1) a first chamber extending between a first chamber axial end and the separator, and (2) a second chamber extending between a second chamber axial end and the separator. The separator includes an orifice defined between the first chamber and the second chamber that provides fluid connection between the first chamber and the second chamber.

Abstract: Provided is a valve opening/closing timing control device that can speedily achieve a stable operation at the time of starting an engine. The device includes a drive-side rotating body that is rotated in synchronism with a crankshaft and has a plurality of projecting portions, a driven-side rotating body that has a partition portion which forms an advance angle chamber and a retard angle chamber and that is rotated together with a camshaft for valve opening/closing, an intermediate lock mechanism switchable between a locked state and an unlocked state, a pump for supplying fluid to the advance angle chamber, the retard angle chamber or the intermediate lock mechanism, and a communication passage configured to establish communication between the advance angle chamber and the retard angle chamber disposed adjacent in a circumferential direction when the intermediate lock mechanism is under the locked state.

Abstract: In a variable valve actuation apparatus for an internal combustion engine, a rotor of a variable valve timing mechanism is fixed to one end of a camshaft by a plurality of bolts. An oil control valve configured to control hydraulic pressure that acts on the rotor is fixed to the rotor by one or some of the plurality of bolts. For this reason, by releasing fastening of the bolt that fixes the oil control valve to the rotor among the plurality of bolts that fix the rotor to the one end of the camshaft, the oil control valve is allowed to be removed from the rotor while the rotor is fixed to the camshaft. Therefore, it is not required to perform positioning for fixing the rotor to the camshaft at the time of replacement of the oil control valve.

Abstract: A multiple variable valve lift apparatus includes a first moving cam, the first moving cam provided to rotate together with the camshaft and move in an axial direction of the camshaft, a plurality of cams realizing different valve lifts relative to each other, a second moving cam provided to rotate together with the camshaft and move in an axial direction of the camshaft, and forming a second cam guide protrusion and a plurality of cams realizing different valve lifts relative to each other, a first operating unit, a second operating unit, a controller, and a valve opening/closing unit, wherein at least two pins are respectively disposed at the first operating unit and the second operating unit so as to guide the first cam guide protrusion and the second cam guide protrusion, and an interference preventing pin formed to have a relatively large diameter in comparison with the other pin.

Abstract: When the compression ratio of a variable compression ratio internal combustion engine (10) is set at a low compression ratio, a lubricating oil ejected from a lower link oil passage (25) is reflected by an upper link (11) at the piston top dead center, and supplied to a cylinder inside wall surface on the side on which a control link (15) is located in a view as viewed in the axial direction of the crank shaft. When the compression ratio of the variable compression ratio internal combustion engine (10) is set at a high compression ratio, the lubricating oil ejected from lower link oil passage (25) is reflected by upper link (11) at the piston top dead center, and supplied to the back side of the piston crown.

Abstract: An oil level regulating apparatus includes a valve unit and a solenoid unit. The valve unit includes a housing having an inflow hole, an outflow hole, and a leak hole, a partition separating the outflow hole and the leak hole, defining a valve chamber close to the outflow hole, and having a partition continuous hole, a valve dividing the valve chamber into an introduction chamber and a pressure chamber and having a valve continuous hole, and a valve biasing member biasing the valve. The solenoid unit has a shaft configured to open and close a leak channel. The shaft can open and close the leak channel on the downstream side of the pressure chamber. When the shaft closes the leak channel, the valve is switched to a closed valve state of closing the outflow hole.

Abstract: An exhaust system is provided for an internal combustion engine having at least a first and a second cylinder, wherein the first cylinder is assigned a first exhaust gas pipe and the second cylinder is assigned a second exhaust gas pipe. The first exhaust gas pipe is assigned a first muffler, and the second exhaust gas pipe is assigned a second muffler. A first damping pipe branches off from the first exhaust gas pipe upstream of a first shut-off element. The damping pipe firstly opens into a first reflection chamber and is subsequently led through the first muffler and opens into the second exhaust gas manifold downstream of a second shut-off element. A second damping pipe branches off from the second exhaust gas pipe upstream of a second shut-off element. The second damping pipe firstly opens into a second reflection chamber and is subsequently led through the second muffler and opens into the first exhaust gas pipe downstream of the first shut-off element.

Abstract: A three-way catalyst, an NSR catalyst, and an SCR catalyst are provided in this order for an exhaust gas passage, wherein the air-fuel ratio (AFR) is set to a first AFR which is a rich AFR before the AFR is switched from a theoretical AFR to a lean AFR, and then the AFR is set to a second AFR which is higher than the first AFR and lower than the theoretical AFR if a NOx occlusion amount is less than a threshold value during a period until an NH3 adsorption amount of the SCR catalyst becomes a predetermined adsorption amount, while the AFR is set to a third AFR which is higher than the first AFR and lower than the second AFR if the NOx occlusion amount is not less than the threshold value.

Abstract: A power system including a selective reduction catalyst and an exhaust gas mixer positioned downstream thereof. The exhaust gas mixer includes an inlet opening a plurality of peripheral inlet openings and a plurality of swirler guides. The inlet opening is positioned to receive a first portion of exhaust gas exiting the SCR catalyst, while the plurality of peripheral inlet openings are positioned to receive a second portion of exhaust gas exiting the SCR catalyst. The swirler guides extend radially inwards from a respective peripheral inlet opening, so as to swirl the second portion of exhaust gas about and into the first portion of exhaust gas.

Abstract: A honeycomb structure includes: a honeycomb structure body including a plurality of cells defined by a partition wall and serving as a through channel of fluid; and a plugging portion to alternately plug open end parts of the plurality of cells on one side as an inflow side of the exhaust gas and open end parts on the other side as an outflow side of the exhaust gas. The partition wall is loaded, on the side of the outflow cells, with an oxidation catalyst made of a transition metal oxide at least including Fe and Mn to oxidize NO gas or an oxidation catalyst made of a transition metal oxide loaded at CeO2 and at least including Fe and Mn to oxidize NO gas. The loading amount of the oxidation catalyst is 5.0 g/L or more and 50 g/L or less.

Abstract: An exhaust gas system is provided for an internal combustion engine having at least a first and a second cylinder. A first exhaust gas pipe is associated with the first cylinder and a second exhaust gas pipe is associated with the second cylinder. A first muffler is associated with the first exhaust gas pipe and a second muffler is associated with the second exhaust gas pipe. A first muffling pipe branches off from the first exhaust gas pipe upstream of a first shut-off element, and is fed through the first muffler and leads into the second exhaust gas pipe downstream of a second shut-off element. A second muffling pipe branches off from the second exhaust gas pipe upstream of the second shut-off element, and is fed through the second muffler and leads into the first exhaust gas pipe downstream of the first shut-off element.

Abstract: A cooling system for an air-cooled engine includes a plurality of electric fans, a plurality of ducts, each duct configured to receive one of the plurality of electric fans, a housing, the housing configured to be coupled to the engine and to include at least one opening, each opening is configured to be coupled to receive one of the plurality of ducts to direct air from the electric fans to a plurality of target locations, a sensor, the sensor is configured to acquire sensor data regarding the operation of the engine, and a processing circuit, the processing circuit is configured to receive the sensor data from the sensor and to control operation of the plurality of electric fans in accordance with the sensor data.

Abstract: An engine includes a cylinder block with first and second saw cuts intersecting a block face on opposed sides of a block bore bridge. A cylinder head has third and fourth saw cuts intersecting a head face on opposed sides of a head bore bridge. A gasket is placed between the block and the head. The gasket defines a cooling passage adapted to fluidly connect the first, second, third and fourth saw cuts and cool the interbore region of the engine. The cooling passage has an inlet and a pair of outlets.

Abstract: A three part valve is provided. The valve has a housing having three axially spaced inlet ports and an outlet port. A rotary valve assembly with a modular rotor is provided for controlling fluid communication between the inlet ports and the outlet port. The rotary valve assembly includes a shaft. Additionally there is provided a first generally cylindrical valve module torsionally affixed with the shaft for controlling fluid communication between a first inlet port and the outlet port. The rotary valve assembly also includes a second generally cylindrical valve assembly rotatably mounted on the shaft controlling fluid communication between a second inlet port and the outlet port. The second valve module has a coupling interface with the first valve module. A third generally cylindrical valve module is also provided rotatably mounted on the shaft. The third cylindrical valve module controls fluid communication between a third inlet port and the outlet port.

Abstract: A thermostatic valve to connect a heat source, in particular a gear drive, with a heat exchanger, particularly a motor vehicle. The thermostatic valve having a thermostatic valve housing with a first inlet connection for a first inlet port and a second inlet connection for a second inlet port, as well as a first outlet connection for a first outlet port and a second outlet connection for a second outlet port. The thermostatic valve further including a moveable working element in an intake opening of the thermostatic valve housing to open and close the inlet and outlet ports and a separate restriction element provided in the thermostatic valve housing between the first inlet connection and the first outlet connection.

Abstract: An air-pressure booster includes a tube, an indirect flow pass and a direct flow pass respectively formed inside the tube. A tapered neck is formed on one end of the tube and connects to an air output nozzle which is connected to an engine. When the engine is working, air passes through the indirect flow pass and the direct flow pass. The air rates respectively generated from the indirect flow pass and the direct flow pass are different and form a whirlpool inside the tapered neck, outputting an enhanced air force and pressure. Therefore, the air-pressure booster could increase efficiency of fuel use and could reduce oil consumption.

Abstract: A variable geometry turbine has annular inlet passageway defined between a first surface of a radial wall of a movable wall mounted within a cavity and a facing wall of the turbine housing. The radial wall defines a second surface that opposes the first surface. The moveable wall member comprises an annular flange that extends axially into the cavity and supports a radial flange defining opposing third and fourth surfaces. The radial flange seals against an annular sleeve in the cavity to define a first area within the cavity which includes the radial second and third surfaces and a second area within the cavity which includes the radial fourth surface. The first and second areas are in fluid communication with regions of the annular inlet passageway which are respectively upstream and downstream of a radial vane passage.

Abstract: A turbocharger (10) includes a housing (12, 14, 16) and an actuating mechanism (46) for actuating a device (40) within the housing (12, 14, 16). A pivot shaft (42) has an inside end (48) inside the housing (12, 14, 16) and an outside end (82) outside the housing (12, 14, 16). The pivot shaft (42) is rotatably mounted in a bore (64) in the housing (12, 14, 16) for transmitting an actuating movement from outside the housing (12, 14, 16) to the actuating mechanism (46). A bushing (62) is disposed in the bore (64). The bushing (62) includes an asymmetric portion (68) that extends inside the housing (12, 14, 16) to support the inside end (48) of the pivot shaft (42).

Abstract: A rotary unit is rotatably accommodated within a supercharger casing of a supercharger for pressurizing an intake air of an engine. The rotary unit includes a supercharger rotary shaft, an impeller fixed to a tip end portion of the supercharger rotary shaft, a rotating component rotatable together with the supercharger rotary shaft independently of the impeller, and a nut member for pressing the impeller and the rotating component in a direction axially of the supercharger rotary shaft to thereby fix them to the supercharger rotary shaft. The nut member is formed with an adjustment portion for the rotational balance adjustment.

Abstract: A combined thermodynamic system for the production of mechanical power. The system comprises a gas turbine and a turbomachinery driven by the gas turbine. The system further comprises a thermodynamic organic Rankine cycle with a turboexpander. A heat transfer arrangement transfers heat from exhaust combustion gases of the gas turbine to the thermodynamic organic Rankine cycle, wherein heat is converted into mechanical power used for driving a driven a turbomachine.

Abstract: An engine-driven working machine includes a controller, which varies a control value of a solenoid valve so as to decrease or increase an opening degree of the solenoid valve when a rotating speed of an engine is within a predetermined high rotating speed range and the rotating speed of the engine is lower or higher than a predetermined rotating speed, respectively. In case the controller determines that the engine-driven working machine gets started saw cutting, the controller stops varying the control value of the solenoid valve when the rotating speed of the engine is within the predetermined high rotating speed range and lower than the target rotating speed.

Abstract: A rotating shaft support structure and a rotary machine which can suppress the influence of lubricating oil on other devices. A rotating shaft support structure (journal bearing mechanism) and a rotary machine having the same includes: a bearing (journal bearing) which supports a rotating shaft, of which the surface facing the rotating shaft is supplied with lubricating oil by a direct lubrication method, and which is disposed inside a cavity holding a suction mechanism for recovering mist of the lubricating oil L leaking from the clearance between the rotating shaft and side plates; and at least one scattering prevention plate which is disposed on the side of an end surface of the bearing in the axial direction of the rotating shaft, on the vertically upper side of the rotating shaft.

Abstract: A valve system includes a valve, a valve controller, a thermoelectric cooler, and a controller. The valve is configured to open and close a control device in response to a working fluid. The valve controller controls the flow of the working fluid through the valve. The thermoelectric cooler surrounds the valve controller transfers heat between the valve controller and an ambient environment. The controller directs a current to drive the thermoelectric cooler.

Abstract: The object of the present invention is to reduce galling that occurs at a tapered thread according to generation of excessive pressure on a tip end side of the tapered thread. In order to attain the above-mentioned object, a tapered thread according to the present invention is characterized in that it is a tapered thread comprising a taper-shaped external thread threadedly engaged with a taper-shaped internal thread formed in a member that is to be fastened, a tapered thread center hole is formed in a bottom surface of the external thread, and a depth of the tapered thread center hole is not more than a half of an axial length of the external thread.

Abstract: A gas turbine that includes a working fluid flowpath extending aftward from a forward injector in a combustor. The combustor may include an inner radial wall, an outer radial wall, and, therebetween, a flow annulus. A staged injector may intersect the flow annulus so to attain an injection point within the working fluid flowpath by which aftward and forward annulus sections are defined. Air directing structure may include an aftward intake section that corresponds to the aftward annulus section and a forward intake section that corresponds to the forward annulus section. The air directing structure may be configured to: direct air entering through the aftward intake section through the aftward annulus section in a forward direction to the staged injector; and direct air entering through the forward intake section through the forward annulus section in a forward direction to the forward injector.

Abstract: A seal system is provided. The seal system may comprise a first duct having an annular geometry, a second duct overlapping the first duct in a radial direction, and a seal disposed between the first duct and the second duct. The seal may comprise a groove defined by the first duct and a piston configured to slideably engage the groove.

Abstract: A six-stroke engine includes a cylinder, a piston, a cylinder head, a combustion chamber, an intake port, an exhaust port, an intake valve, an exhaust valve, a fuel injector, and an ignition plug. The six-stroke engine includes a valve gear that operates the intake valve and the exhaust valve to execute an intake stroke, a compression stroke with ignition, an expansion stroke with combustion, an exhaust stroke, an expansion stroke without combustion, and a compression stroke without ignition. The valve gear opens, only for a predetermined period of time while the piston is located at top dead center, at least one of the intake valve and the exhaust valve within a period from the exhaust stroke to the intake stroke. A valve overlap state is produced at least once within the period from the exhaust stroke to the intake stroke.

Abstract: An engine controller controls a direct fuel-injection engine including a fuel injection valve for directly injecting a fuel into a cylinder and a valve overlap period adjusting mechanism for adjusting a valve overlap period between an open period of an intake valve and an open period of an exhaust valve. The engine controller is provided with an acceleration request sensor for detecting an acceleration request of a driver, and when the acceleration request occurs and a top surface temperature of a piston in the cylinder is lower than a predetermined temperature, the engine controller extends the valve overlap period between the open period of the intake valve and the open period of the exhaust valve, ranging before and after an exhaust top dead center.

Abstract: A vehicle monitoring system for turning off an idling engine comprises a vehicle speed sensor configured to detect a lack of motion, or “stationary status” of a vehicle and emit a parameter correlated to the motion status of the vehicle, a transmission status detector configured to detect a transmission status of the vehicle, an alerting device capable of warning other drivers of a stationary status of the vehicle and a control device. The control device is coupled to the vehicle speed sensor, the transmission status detector and the alerting device, wherein the vehicle speed sensor and the transmission status detector send a signal to the control device and the control device operates in a manner dependent on the motion status of the vehicle and the transmission status of the vehicle.

Abstract: A fuel enhancement system and method for supplying an engine with a pressurized homogenized mixture of a liquid fuel and a gaseous component. In one embodiment the system comprises a controller; a gaseous component flow control device, a homogenization system, and a gas processor. In another embodiment, the system comprises a controller; a gaseous component flow control device, a device for generating signals indicative of liquid fuel flow, and a homogenization system. Particular embodiments of the gas processor and device for generating signals indicative of liquid fuel flow are also disclosed.

Abstract: A method of operating a vehicle includes measuring a transmission output torque, measuring impeller and turbine speeds, estimating a transmission component torque, and adjusting an engine torque to avoid overstressing a transmission component such as a gear. The method does not rely on an accurate estimate of engine torque. Furthermore, the method does not rely on a fixed transmission torque rating in each gear ratio.

Abstract: A method and system are provided for coordinating a propeller with a controller module including a machine having a controller module and a propeller mounted to a propeller shaft at a hub. The shaft is arranged to be received in the machine, and a sensor is mounted to the machine, connected to the electronic controller module, and configured to sense the propeller when the propeller shaft is received in the machine.

Abstract: Aspects of the disclosure are directed to characterizing vehicle mass. As may be implemented in accordance with one or more embodiments, one or more operating parameters of the vehicle are obtained, and at least one qualifying period of time is identified in which the operating parameter or parameters are within a range of values associated with the parameter. A value that provides an estimate of the mass is then generated based on the one or more operating parameters.

Abstract: The present invention relates to a method for controlling the performance of an engine, comprising the steps detecting an ion current in the form of a first signal analysing said first signal to determine at least one property determining a knock index based on said first signal and preferably on said at least one property combining said knock index with a plurality of factors related to properties of the engine or the operation of the engine to arrive at a engine index, and comparing said engine index with a sensitivity map of the engine to determine a correction required to improve the operation of the engine, and correcting the operation of the engine in accordance with the correction determined. The invention also relates to a system for controlling the performance of an engine.

Abstract: A pressuring system for a vehicle engine includes an intake manifold into which ambient gases flows. A control valve connects to the intake manifold. An engine block connects to the intake manifold and connected to a gases outlet. A timing belt cover connects to the engine block. A gases pipe connects between the control valve and the timing belt cover.

Abstract: An engine control system performs a first control in the first place at the time of acceleration. Then, when an actual supercharging pressure is increased to a specified supercharging pressure, the engine control system performs a second control. In this way, at the time of acceleration, a turbine capacity and a valve overlap amount of an intake valve and an exhaust valve of an engine are optimized in correspondence to a driving state of an engine, whereby the intake valve and the exhaust valve of the engine can be made to overlap each other on the condition that a scavenging effect is larger than the effect of an exhaust interference during a valve overlap period.