Abstract: A gas turbine engine according to an example of the present disclosure includes, among other things, a fan section, and a compressor section including a low pressure compressor and a second compressor section, and a turbine section including a fan drive turbine and a high pressure turbine. The fan drive turbine drives the low pressure compressor and a gear arrangement to drive the fan section. A core split power ratio is provided by power input to the high pressure compressor divided by a power input to the low pressure compressor measured in horsepower.

Abstract: A hybrid gas turbine engine comprises a turbine, a compressor, and a gear system that is driven by the turbine where the gear system includes a sun gear, a ring gear and a plurality of planet gears, where the ring gear has a ring gear radius of RRing gear and the sun gear has a sun gear radius of RSun gear such that the gear system provides a reduction ratio of RRing gear/RSun gear. A fan is driven by the ring gear, and a generator is driven by the ring gear and provides a generator output signal. A power circuit receives the generator output signal and provides a gain RRing gear/RSun gear to the generator output signal and provides a gain signal indicative thereof to an electrical load.

Abstract: A power system is disclosed that includes a chassis configured to house a first board, a second board, and a third board, in which the boards are electrically coupled to one another. The first board is configured to receive power and to output power at a first voltage and a second voltage. The second board is configured to receive power from the first board or at least one internal battery electrically coupled to the second board and to output power using at least two voltages. The third board is configured to receive power from the second board and to output power at two voltages. The boards include one or more converters configured to convert power. The one or more converters are thermally interfaced with one or more portions of the chassis so as to conduct heat into a respective portion of the chassis.

Abstract: A fuel injection device comprising an interface member, a fuel distributor passage, at least one injection valve and a heating unit, wherein the interface member is provided on the fuel distributor passage and is connected to a fuel tank to control fuel fed into the fuel distributor passage, the at least one injection valve is connected to the fuel distributor passage, and the fuel is distributed into the at least one injection valve via the fuel distributor passage, the heating unit is used to heat the fuel in the fuel distributor passage, the heating unit comprises a connector, and the heating unit is connected to an energy storage apparatus via the connector.

Abstract: A fuel-injection valve provided with a fuel filter (13) in a fuel supply unit into which fuel flows, wherein: the fuel filter (13) is provided with a filtering part (X1) that is disposed along the circumferential direction of the fuel filter (13) and along the central axis line (13x) thereof and that is provided with a net-like member (13c) which captures foreign objects mixed in with fuel flowing from the radially inner side to the radially outer side of the fuel filter (13); and the fuel filter (13) has, on the upstream side from the filtering part (X1), first fuel swirl generation units (13d-1, 13d-2, 13d-4) which generate swirl in the fuel that flows down along the inner circumferential surface of the filtering part (X1).

Abstract: In response to a triggering event, changing a vehicle remote engine start system from a first state to a second state. In the first state a remote engine start mode, a drive engine of the vehicle and a plurality of vehicle functions are deactivated. In the second state the remote engine start mode, at least one of the plurality of vehicle functions and the drive engine of the vehicle are activated. After activating the remote engine start mode, a timer is incremented or decremented from a predetermined start value. If the timer has not elapsed and the presence of a user is detected, the remote engine start system changes to a third state in which the last timer value and the current state of the remote engine start mode are stored and then the remote engine start mode and the timer are stopped, wherein the drive engine remains switched on.

Abstract: After the vehicle is parked, when the SOC of the auxiliary battery becomes equal to or less than a threshold A, the ECU turns off the switch; when it is predicted that the engine will be started for the first time, the ECU turns on the switch; when the capacitor temperature is equal to or lower than a threshold B, the ECU turns on the heater and starts to charge the capacitor; when the engine is startable and when an engine start operation is performed by the user, the ECU supplies the electric power in the capacitor to the engine starter.

Abstract: Methods and systems are disclosed for operating an engine that includes a knock control system that may determine contributions of individual transient and steady-state noise sources to an engine background noise level. The contributions of the transient and steady-state individual noise sources may be the basis for establishing the presence or absence of knock in one or more engine cylinders.

Abstract: A device may determine a timing configuration for an ignition system. The device may pulse a driver to apply a set of resonant voltage pulses to the ignition system. The set of resonant voltage pulses may cause a set of increasing peak voltages. At least one peak voltage, of the set of increasing peak voltages, may satisfy a threshold to cause a spark in a spark plug of the ignition system.

Abstract: A system that produces electricity offshore through a fixed installation, including a minimum of; one turbine, one generator, one compressor set, one high voltage subsea cable, and one control center; the generator is a gas driven generator that produces enough power to operate the electric motors, an onshore control center that operate and monitor the system, and all electricity generated through the water turbines and generators are transported to the onshore electricity grid through a high voltage subsea cable

Abstract: A turbine comprises a shaft (20), a mass (10) eccentrically mounted for rotation about shaft (20), having its center of gravity at a distance from the shaft (20) and a motion base (15). Motion base (15) rigidly supports the shaft (20), and is configured for moving the shaft (20) in any direction of at least two degrees of movement freedom, except for heave. A floating vessel-turbine (120), encloses entirely the eccentrically rotating mass (10) and the motion base (15). The turbine converts ocean wave energy into useful energy, very efficiently.

Abstract: The invention is a system and method for the airborne generation of usable water from atmospheric water vapor and the generation of electric power from and for such system.

Abstract: A kinetic energy harvesting mechanism has a fixing shaft, a rotating shell, an input member, and a fixing shaft driving assembly. The rotating shell is disposed on the fixing shaft. The input member is axially connected to the fixing shaft. The fixing shaft driving assembly is disposed in the rotating shell and has a first one-way bearing, a second one-way bearing, a first driving member, a second driving member, and a third driving member. Unidirectional transmission functions of the first one-way bearing and the second one-way bearing are adverse to each other. The first driving member is disposed in the rotating shell by the first one-way bearing. The second driving member is disposed in the rotating shell by the second one-way bearing. The third driving member is disposed in the rotating shell and is connected to the first driving member and the second driving member.

Abstract: A renewable energy collection device including at least one panel configured to secure to a road barrier. The panel includes at least one wind collection vent defining an opening on an outer surface of the panel. The panel further includes an air channel defined within the panel and fluidly connected to the wind collection vent. A wind turbine is rotatably coupled within the panel and is positioned to receive wind flowing through the air channel. An electrical connector electrically connects to the wind turbine and is operable to connect with at least one of an electrical power collector and a power grid.

Abstract: A method of handling a wind turbine component for assembly or maintenance, comprising moving one or more unmanned air vehicles to respective positions proximal to a wind turbine component so that the wind turbine component can be supported by the one or more unmanned air vehicles; and controlling the one or more unmanned air vehicles to lift the wind turbine component and manoeuvre said component with respect to a wind turbine. The invention extends to a system for handling a component of a wind turbine, comprising a plurality of unmanned air vehicles (UAVs); a UAV ground station computer system; and one or more lifting harnesses for carrying by the plurality of unmanned air vehicles.

Abstract: A wind turbine foundation and method for making a wind turbine foundation. The wind turbine foundation preferably includes a core member including a substantially cylindrically-shaped main body, a first outer flange extending out from the main body along an upper section of the core member, and a second outer flange extending out from the main body along a lower section of the core member, and a plurality of radial girders connected to the first outer flange and the second outer flange and radiating out from the core member.

Abstract: A method for estimating a temperature of a motor of a pitch drive mechanism of a rotor blade of a wind turbine includes monitoring, via at least one sensor, an actual temperature and at least one additional operating condition of the motor during a normal operating period of the wind turbine. The method also includes storing, via a pitch controller, the monitored temperatures and the monitored additional operating conditions of the motor for the normal operating period. Further, the method includes determining a relationship between the monitored temperatures and the monitored additional operating conditions of the motor for the normal operating period. Thus, in the event that the sensor fails to operate, the method includes determining, via the pitch controller, an estimated temperature of the motor based on the relationship.

Abstract: A single-unit nose cone for a ram air including: a dome portion located at a forward end of the single unit nose cone; a dome stand portion adjacent to the dome portion; a seat portion adjacent to the dome stand portion; and a stem portion adjacent to the seat portion and located at an aft end of the single-unit nose cone, wherein the dome portion, the dome stand portion, the seat portion, and the stem portion are composed from a single piece of material having a density of about 0.286 pound/cubic inch (7916 kilogram/cubic meter).

Abstract: A nacelle for a wind turbine, the nacelle comprising a roof panel forming an opening into an internal space; a cooling arrangement extending upwards from the roof panel; and a closure movable between an open position revealing the opening and a closed position closing the opening. To enable easy parking of the closure and particularly to enable parking of the closure in a position where it does not occupy a large surface space on the roof panel, the nacelle further comprises a track configured to guide the closure between the open and the closed positions, the track being carried at least partly by the cooling arrangement.

Abstract: Systems and methods are disclosed for using electrical energy to store potential energy during periods of low electrical demand and, thereafter, to convert the stored potential energy into electrical energy that can be supplied to an electrical grid during periods of high electrical demand. During low demand periods electrical energy is used to move one or more weight(s) from a first relative position of low potential energy to a second relative position of high potential energy. During time periods of high electrical demand, the system is used to move one or more individual weight(s) from the relative position of high potential energy to the relative position of low potential energy. As each individual weight moves from the position of high potential energy, the motion of the weight is used to cause a generator to generate electrical energy.

Abstract: Method for conversion of energy, by which a sun energy, or heat energy, or radiation energy is converted in an other form of energy, where the energy in its heat form or in the form of radiation is supplied to a vaporizer of a heat pipe, and this energy is converted in the energy of a working gas of the heat pipe through (as a consequence of) the absorption of this energy by the working liquid of the heat pipe; the energy in its heat form is extracted (conducted away) from the condenser of the heat pipe, and the energy of movement of the gas of the heat pipe is converted in others, not heat forms of energy, in particular into electric energy, where additionally to the capillary or gravitational forces, usually acting in the heat pipe transport zone to recover the heat pipe liquid, an additional energy, in its mechanical or electrical or any other not-heat form, is supplied to the working liquid of the heat pipe, among other possibilities, from outside in respect to the heat pipe, and this additional energy is

Abstract: A vacuum pump according to an embodiment of the present invention includes a pump main body and a sound muffling device. The pump main body includes a housing including an intake port and an exhaust port, and a rotor that is rotatably arranged inside the housing and transports gas from the intake port to the exhaust port. The sound muffling device includes a casing, a first passage portion, and a second passage portion. The casing includes an opening end portion that is airtightly connected to an outer wall surface of the housing, a bottom wall portion that faces the opening end portion, and a peripheral wall portion, the casing defining an expansion chamber by the outer wall surface of the housing and respective inner wall surfaces of the bottom wall portion and the peripheral wall portion. The first passage portion is provided in the casing and introduces gas into the expansion chamber, the gas being discharged from the exhaust port.

Abstract: An estimation device comprises: an oscillation section configured to superimpose an oscillation signal for oscillating a valve body of a vacuum valve provided between a vacuum pump configured to pump gas from a chamber and the chamber on an opening degree signal for driving the valve body; and an estimation section configured to estimate, based on a pressure response of a chamber internal pressure upon oscillation, a pumping characteristic regarding the gas pumped through the vacuum valve.

Abstract: At least one rib 9c, 21c extending in a direction of connecting with a valve cartridge 30 is provided to the inner sides of each of a second connection port 9 of a pump head 5 and a third connection port 21 of a first connecting adapter 20A, and at least one slit 41 which extends in the connecting direction and into which the ribs 9c, 21c are loosely inserted is provided to the lower outer periphery of the valve cartridge 30.

Abstract: A mud motor stator or a pump comprising of a tubular outer portion; a number of lobes extending radially inwardly from the tubular outer portion, at least one of which comprises a skeletal structure and method for producing a mud motor stator or a pump comprising of placing material and bonding the material together in a pattern dictated by the design shape of the stator or pump.

Abstract: To provide a rotor portion 2A; a cam ring 21 having a rotor chamber 21a; a pump housing 1 provided with a pump chamber 11 having a control chamber 12 where the cam ring 21 is movably arranged to move the cam ring 21 using an oil pressure; a spool valve A for controlling the cam ring 21; a solenoid valve 81; and a relief valve 83. Each valve housing is provided with a communication hole 7 for supplying oil from the control chamber 12 of the pump chamber 11 to a portion between the control chamber 12 and at least one of the valve housings. A through-hole for discharging the oil is formed in the valve housing.

Abstract: One or more techniques and/or systems are disclosed for a gear pump for low speed transfers of viscous liquid slurries promotes growth of suspended particles, such as sugar crystals, by avoiding crushing of the particles. The pump includes a rotor gear in mesh with an eccentrically mounted idler gear supported on a boss of a pump head that includes a crescent seal extending into an opening resulting from the eccentricity of the idler gear relative to the rotor gear. The idler gear contains a radially extending land on each tooth profile, symmetrically oriented on adjacently spaced pairs of teeth. The lands, configured to minimize crushing of crystals passing through the pump, engage mating rotor teeth for sealing between inlet and outlet ports of the pump. To promote crystal growth, the lands cover only 10% to 30% of profile surface area of each tooth. To minimize gear tooth wear, the lands are axially staggered between successive adjacent pairs of teeth.

Abstract: A scroll compressor includes a partition plate 20, a refrigerant intake tube 13 and a straightening plate 160, and a shielding plate 180 is provided at a height position between the partition plate 20 and an intake portion 38 of a fixed scroll 30. According to this, refrigerant sucked from the refrigerant intake tube 13 flows toward the partition plate 20 by the straightening plate 160, the refrigerant which flows toward the partition plate 20 collides against the shielding plate 180 before it is sucked by a compression mechanism 170 and therefore, it is possible to prevent refrigerant from coming into contact with the partition plate 20 having high temperature. According to this, the refrigerant is not heated by the partition plate 20, volumetric efficiency is enhanced and high efficiency of the compressor can be realized.

Abstract: An information processing apparatus detecting presence or absence of abnormality of a vacuum pump derived from a product produced within a target vacuum pump, including: a determination unit configured to determine a normal variation range or a normal time variation behavior of a target state quantity which is a state quantity varying depending on a load of gas flowing into the vacuum pump, based on at least one of past target state quantities of the target vacuum pump or another vacuum pump; and a comparison unit configured to compare a current target state quantity of the target vacuum pump with the normal variation range or the normal time variation behavior and output the comparison result.

Abstract: Integrated rotary positive-displacement machinery, for example compressors and/or vacuum pumps, include a compressor core equipped with at least one shunt pulsation trap and at least one absorptive silencer integrated together along with other compressor components (such as inlet/outlet pulsation dampeners, gas filters, safety valves, etc.) into a unit or package with a reduced pulsation, noise, energy consumption, and size and weight. Some embodiments further include at least one 4-way valve and corresponding piping so that the same positive-displacement machine can be operated to selectively provide vacuum and pressure by operation of the valve and piping.

Abstract: A compact fan and air conditioner assembly includes an air conditioner configured to be mounted in a stationary manner below a ceiling of a room. The air conditioner produces a quantity of cold air. A fan receives all of the quantity of cold air from the air conditioner. The fan has a housing configured to be mounted in a stationary manner below the air conditioner and blades configured to rotate about the housing. The fan blades have channels receiving the cold air from the air conditioner and the fan blades have slots formed therein for receiving the cold air from the channels and distributing the cold air into the environment as the fan blades rotate. A split fan and air conditioner assembly includes a floor stand on which the air conditioner and the fan are mounted.

Abstract: A turbocharged device including a turbocharger, a first sensor in operable communication with the turbocharger and configured to output a first signal representative of a first attribute of the turbocharger, and a controller in operable communication with the first sensor. Where the controller is configured to calculate a first preliminary surge score based at least in part on the first signal, and calculate a first weighted surge score based at least in part on the first preliminary surge score and a first weighting factor configured to express the relative significance of the first preliminary surge score.

Abstract: A fuel pump includes an output shaft of a motor and an impeller configured to rotate integrally with the output shaft. An outer periphery of the output shaft includes a first flat portion for engaging with the impeller. The impeller includes a through hole at a center thereof, the through hole being larger than an outer diameter of the output shaft and including a second flat portion for engaging with the output shaft. In this fuel pump, when the output shaft and the impeller are arranged coaxially, spots exist which have different lengths of a gap between the first flat portion and the second flat portion in a rotational axis direction of the output shaft.

Abstract: A system having a variable diameter impeller device that is operable for reducing an energy consumption of a rotating fluid or gas pump by increasing said impeller diameter as a speed of said rotating fluid or gas pump increases and decreasing said impeller diameter as the speed decreases. An extendable vane mechanism is configured to move along an elongated curved or sloping slot, said movement along said elongated curved or sloping slot is operable for increasing and decreasing a diameter of said impeller device. A spring mechanism having a first end and a second end extends and retracts to dynamically increase or decrease a diameter of the impeller device.

Abstract: Provided is a centrifugal compressor, including: an impeller including blades; a main flow passage including a narrowing portion, which is formed on a front side of the impeller and has a diameter smaller than a diameter of each of the blades; an auxiliary flow passage, which has one end communicating to the main flow passage on the impeller side with respect to the narrowing portion and another end communicating to the main flow passage on a side away from the impeller with respect to the narrowing portion; and a movable portion which is movable between a first position and a second position, the second position being different from the first position in position in a rotation axis direction and a rotation direction of the impeller and in opening degree of the auxiliary flow passage.

Abstract: A centrifugal compressor includes: an impeller; a main flow passage which receives the impeller and extends in a rotation axis direction of the impeller; an auxiliary flow passage which includes an upstream communication portion communicating to the main flow passage and a downstream communication portion communicating to the main flow passage at closer to the impeller than the upstream communication portion, and extends in a rotation direction of the impeller; a plurality of opening/closing portions which each have an opening portion and are arranged in the auxiliary flow passage; and a drive unit configured to move at least one of the plurality of opening/closing portions in the rotation direction.

Abstract: A variable geometry diffuser (104) for a vaned centrifugal compressor (100). The variable geometry diffuser comprising a first annular element (110) and a second annular element (112) arranged to overlap each other in a radial direction, the first annular element (110) and the second annular element (112) being spaced apart in an axial direction. The variable geometry diffuser further comprising one or more diffuser vanes (114) extending in the axial direction between opposing surfaces of the first and second annular elements (110, 112), wherein the one or more diffuser vanes (114) pass through at least one of the first and second annular elements (110, 112). The variable geometry diffuser further comprising an adjustment mechanism (116) arranged to adjust the axial separation between the first and second annular elements (110, 112).

Abstract: Methods and systems are provided for a noise mitigating device for a turbocharger compressor. In one example, the noise mitigating device includes a set of perforated rings arranged in a recirculation passage of a compressor casing treatment. The rings of the set of perforated rings may be oriented so that apertures of one ring are offset from apertures of one or more adjacent rings, forcing air to flow through the apertures via a non-linear path while deflecting at least a portion of sounds waves generated in the compressor.

Abstract: This invention generally relates to a pump system, particularly to a vapor-pressure driven micro pump system. This vapor-pressure driven pump system is useful for various situations, especially in a gravity-free environment in space exploration.

Abstract: The present disclosure provides methods and apparati for separating liquids from production gases and recovering the liquids. The methods and apparati of the present disclosure can reduce or eliminate emissions compared to standard methods and devices and also eliminate the need for haul away of liquids by collecting compressor system liquids in charge vessel(s). The methods and apparati of the present disclosure can also be used to fuel the engines which operate the compressor systems using gas from the compressor drains and the gas used to drain the charge vessel(s).

Abstract: A clamping hub includes a body and an aperture, defined by the body, configured to receive a shaft. The clamping hub also includes a clamp configured to secure the shaft in the aperture. the clamp includes a first deformable component that defines a first portion of the aperture and configured to, when deformed, change a size of the aperture and a second deformable component that defines a second portion of the aperture opposite from the first portion of the aperture and configured to, when deformed, change the size of the aperture.

Abstract: A clamp assembly includes a housing having an attachment surface defining a keyed slot. The keyed slot includes a first pair of recesses extending in a first direction and a second pair of recesses extending in a second direction. The attachment surface includes an outwardly extending protrusion. The assembly includes a clamp having a main body including an intermediate portion positioned between distal and proximate end portions, and a connection portion extending outwardly from the intermediate portion. The connection portion is configured to be inserted within the keyed slot in an insertion direction. The clamp is configured to be received within the keyed slot and rotatable between an engaged and disengaged position. In the engaged position the connection portion engages the first pair of recesses to inhibit movement in an extraction direction and the proximate end portion abuts the protrusion to inhibit rotation of the clamp to the disengaged position.

Abstract: A device housing comprises a front panel, a back panel, and a support structure. The front panel further comprises at least one threaded interface position on an edge of the front panel. The back panel further comprises at least one securing interface positioned on an edge of the back panel. The support structure is configured to mount the front panel and the back panel. The support structure further comprises a slot configured to couple the threaded interface on the front panel and a securing to configured to couple the securing interface on the back panel.

Abstract: The invention relates generally to conveying systems, for moving work pieces from work station to work station including conveyors which generally move at a constant speed and include load carrying units which can be coupled for movement therewith between work stations and uncoupled from the conveyor so that they will be stationary at the work stations while work is done on a work piece carried by the load carrying units. More particularly, the present invention pertains to improved systems, methods, and apparatuses for joining, repairing, replacing, or altering conveyor system track and track configurations.

Abstract: A telescoping assembly includes a first tube member, a second tube member, an inner tubular member coupled to move with said second tube member, an outer sleeve mounted on said first tube member, and a latch block disposed in a latch bore of the outer sleeve and having an actuating end region and a blocking end region. In response to pressing of the actuating end region, the latch block is displaced from a locked position, where the blocking end region is in blocking engagement with a shoulder surface of the inner tubular member, to an unlocked position.

Abstract: A quick disconnect mount includes a mounting stud securable to a structure, and a connector securable on the mounting stud. The mounting stud includes at least one circumferential ridge and at least one circumferential trough, and the connector includes a central channel sized to fit over the mounting stud and a locking bar engageable with the circumferential trough.

Abstract: In preferred embodiments, the invention is an apparatus for coupling furniture components and a system for assembling furniture from subassemblies that may be purchased and shipped individually. The apparatus and system may be optimized for low cost shipping and ease of assembly. As a non-limiting example, subassemblies may couple together at joints comprising interlocked stacks of plates held in place by a beveled pin. If a subassembly breaks during normal use, the pins may be withdrawn and the broken subassembly may be removed and replaced without having to replace the entire piece of furniture. Additionally, the system may include methods of packing subassemblies for shipping so as to reduce the physical size of the shipping package as much as possible.

Abstract: A corner bracket structure for fastening together a pair of panels includes a first elongated member having convex projections extending from one side thereof. A second elongated member has a concave elongated channel extending from one side thereof. The elongated channel includes retaining regions for capturing the projections. The retaining regions are spaced apart from each other by recessed regions that initially receive the projections. The projections are inserted into recessed regions, and slid into the retaining regions to form a semi-hinged connection.

Abstract: The present disclosure is applied to the area of furniture, and is related to a quick-mounting system applied to a cabinet body including the feet, preferably steel cabinets, for joining the unmounted pieces by fittings and bends on the steel piece itself that is locked between the pieces with no need of screws, connectors, tools or skilled labor.

Abstract: This invention relates to a fixing device for holding a fastener in a hole in a structure comprising an actuating part configured to engage with said fastener in use and a plurality of arms extending from and hingedly connected to the actuating part, each arm comprising a distal portion and an anchor portion between the distal portion and the actuating part. The arms are an insertion configuration formed or formable by moving the arms from an initial configuration in which the arms are splayed to the insertion configuration in which the arms are substantially aligned so that the distal portions define an axial passage and, in use, the fastener extends through the axial passage to engage with the actuating part, and cooperation of the fastener with the actuating part moves the actuating part in an axial direction towards the distal portions to cause a part of each of the anchor portions to move in a radially outward direction with respect to the axial passage to anchor the fixing device in said hole.