Abstract: A transmission line guide chain includes a plurality of connected chain links that define a through-passage to receive transmission lines. The chain links include a first chain link that defines a through-hole that forms a portion of the through-passage. A first divider is disposed in the through-hole and a second divider is removably seated on the first divider to provide a stack of dividers in the through-hole. The stack of dividers divides the through-hole into a plurality of compartments that can each receive at least one transmission line.

Abstract: An exhaust diffuser includes an outer shroud and an inner shroud radially separated from the outer shroud so as to define a fluid passage between the outer shroud and the inner shroud. A strut extends between the outer shroud and the inner shroud. The strut generally includes an outer surface, a leading edge, a trailing edge, a first side and a second side. At least one turbulator may be positioned along a radial span of the strut. The at least one turbulator extends generally outwardly from the strut outer surface. The turbulator extends across the leading edge of the strut from the first side to the second side of the strut.

Abstract: An exhaust system for reducing infrared emissions of a rotary wing aircraft includes a manifold; an opening in the manifold, the opening configured to face upwards and away from the rotary wing aircraft; and a chimney including a wall positioned about the opening, the chimney configured to eject an emission of intermixed secondary air and engine exhaust upwards and away from the rotary wing aircraft.

Abstract: A burner for a gas turbine is provided. The burner has a pilot combustor, a supply module providing pilot fuel and air into a pilot combustion room enclosed by a pilot burner housing having a tapered exit throat discharging radicals and heat generated in a pilot combustion zone into a main combustion room. An equalizer has holes for main flow air entering a cavity in a radial direction with regard to a burner axis defined by centers of pilot combustion zone and main combustion zone. A fuel injector is downstream the equalizer to supply flow fuel into flow air. A swirler is downstream the injector to give flow distribution to the flow fuel and air entering the main combustion room. A channel leads from the equalizer to the swirler arranged circumferentially around the pilot burner housing to direct the main air flow from the equalizer in axial and circumferential direction.

Abstract: An apparatus has a first member having an exposed peripheral surface and an electrically and thermally conductive portion. A circumferential array of magnets of alternating polarity are mounted for rotation about an axis relative to the first member inboard of the peripheral surface, the magnets being in sufficient proximity to the electrically and thermally conductive portions so that the rotation of the magnets about the axis is effective to generate eddy currents, in turn, is effective to heat the electrically and thermally conductive portion and, thereby, heat the exposed peripheral surface.

Abstract: An apparatus performs a power cycle involving expansion of compressed air utilizing high pressure (HP) and low pressure (LP) air turbines located upstream of a gas turbine. The power cycle involves heating of the compressed air prior to its expansion in the HP and LP air turbines. Taking into consideration fuel consumption to heat the compressed air, particular embodiments may result in a net production of electrical energy of ˜2.2-2.5× an amount of energy consumed by substantially isothermal air compression to produce the compressed air supply. Although pressure of the compressed air supply may vary over a range (e.g. as a compressed air storage unit is depleted), the gas turbine may run under almost constant conditions, facilitating its integration with the apparatus. The air turbines may operate at lower temperatures than the gas turbine, and they may include features of turbines employed to turbocharge large reciprocating engines.

Abstract: A deflector control portion in a jet propulsion boat causes a deflector to swing by controlling a deflector drive mechanism in response to an operation of a shift operating portion. The deflector control portion causes the deflector to move to a first trim position when the shift operating portion is switched to a forward movement shift position. The deflector control portion causes the deflector to move to a second trim position when the shift operating portion is switched to an operating shift position.

Abstract: A jet propulsion boat includes a boat body, an engine, a jet propulsion mechanism, and a reverse gate. The reverse gate is arranged rearward of the jet propulsion mechanism and is configured to move to a forward movement position that allows a jet flow from the jet propulsion mechanism to flow backward, a reverse movement position that allows the jet flow from the jet propulsion mechanism to flow forward and downward, and a neutral position that allows the jet flow from the jet propulsion mechanism to flow in the lateral direction. The reverse gate includes a first member and a second member. The first member includes a downward opening and a pair of lateral openings open to the right and left when the reverse gate is positioned in the neutral position. The second member covers at least a portion of the downward opening when the reverse gate is positioned in the neutral position.

Abstract: A fan rotor has a hub, and a plurality of axial flow fan blades extending radially outwardly of the hub. A radial compressor impeller is positioned radially inwardly of the fan blades. The radial compressor impeller has an upstream inlet which extends generally in an axial direction defined by an axis of rotation of the hub. The radial flow compressor impeller has an outlet that extends radially outwardly of the inlet, and into a supply passage for supplying air to a core engine. An engine is also disclosed.

Abstract: A turbofan engine includes a fan, a compressor section, a combustor in fluid communication with the compressor section, a turbine section in fluid communication with the combustor, a shaft configured to be driven by the turbine section and coupled to the compressor section through a first torque load path, and a speed reduction mechanism configured to be driven by the shaft through a second torque load path separate from the first load path for rotating the fan.

Abstract: A gas turbine engine is typically comprised of a fan stage, multiple compressor stages, and multiple turbine stages. These stages are made up of alternating rotating blade rows and static vane rows. The total number of blades and vanes is the airfoil count. An overall pressure ratio is greater than 30. A bypass ratio is greater than 8. A stage ratio is the product of the bypass ratio and the overall pressure ratio divided by the number of stages. An airfoil ratio is that product divided by the airfoil count. The stage ratio is greater than or equal to 22 and/or the airfoil ratio is greater than or equal to 0.12.

Abstract: An apparatus includes a slotted multi-nozzle grid with a plate having multiple elongated slotlettes through the plate. Each of at least some of the slotlettes has a convergent input, a divergent output, and a narrower throat portion separating the convergent input and the divergent output. At least some of the slotlettes are arranged in multiple rows. The plate further includes multiple cooling channels through the plate. At least some of the cooling channels are located between the rows of slotlettes. Each cooling channel is configured to transport coolant through the plate in order to cool the plate, such as to cool the plate as hot combustion gases pass through the plate. Each of at least some of the rows may include at least two slotlettes, and two adjacent slotlettes in one row may be separated by a structural ligament (which may have a tear-drop cross-sectional shape).

Abstract: A method for operating a selective catalytic reduction (SCR) system having a urea solution supply and an ultrasound based urea concentration sensor, the measurement signal of the urea concentration sensor being representative of a propagation time of an ultrasonic pulse along a predefined path length in a fluid of the urea solution supply includes: heating at least the fluid in a detection region of the urea concentration sensor from a predefined first temperature to a predefined second temperature; during the heating, detecting the measurement signal at at least a third and fourth temperature, and in each case determining a raw concentration characteristic value as a function of the respective measurement signal, which raw concentration characteristic value is representative of the propagation time of the ultrasonic pulse; and determining a concentration characteristic value, representative of a concentration of urea in the fluid, as a function of the raw concentration characteristic values.

Abstract: A tank for a reducing agent includes a tank wall having an outer side and an interior at least partially delimited by the tank wall. A sensor is disposed at the tank wall and has a first electrical contact and a second electrical contact. The first electrical contact and the second electrical contact communicate in an electrically conductive manner with the interior, extend through the tank wall from the interior to the outer side of the tank wall and are disposed at a first spacing of less than 5 cm from one another. A motor vehicle having the tank is also provided.

Abstract: A system for producing mechanical energy. In some embodiments, the system includes a first source providing a first fluid, a fluid pressurization device, a second source supplying a second fluid, a first motor, and a second motor. The fluid pressurization device draws in the first fluid from the first source and increases the pressure of the first fluid. The first motor is driven by the second fluid, the second fluid decreasing in pressure and the first motor powering the fluid pressurization device as the second fluid passes through the first motor. The second motor receives a mixture of the first fluid from the first motor and the second fluid from the fluid pressurization device, whereby the second motor produces the mechanical energy.

Abstract: A drain system for a torque converter may include a hydraulic drain path draining the oil used in the torque converter to the transmission, a hydraulic control path adapted to transmit the oil discharged out of the hydraulic pump to the hydraulic drain path, and a switch valve disposed at the hydraulic drain path, and adapted to operate by pressure of the oil supplied through the hydraulic control path, wherein the switch valve may selectively open/close the hydraulic drain path.

Abstract: In a hydrostatic transmission (HST), a lubricating fluid passage is formed in an input shaft and has a pair of radially opposite lubricating fluid spill ports open at an outer peripheral surface of the input shaft. Both of the radially opposite lubricating fluid spill ports face a lubricated object of the HST. The lubricating fluid passage includes an axial fluid passage and a pair of radial fluid passages that are extended radially from the axial fluid passage to the outer peripheral surface of the input shaft so as to be radially opposite each other. Open ends of the respective radial fluid passages at the outer peripheral surface of the input shaft serve as the respective radially opposite lubricating fluid spill ports.

Abstract: Some on-vehicle devices, such as air dams, air spoilers, and HVAC system baffles, may have movable components that are pulled from one position to another by shrinkage of a linear shape memory alloy (SMA) actuator. Upon an activation signal, the shrinkage of the SMA actuator occurs when it is resistance heated by an electrical current. It is found that useful information concerning the overall intended operation of the on-vehicle device may be obtained by computer analysis of the temporal variation of both current flow through the actuator and its electrical resistance as it is heated to perform its function in the device. A comparison of present current flow and variation of resistance, during activation of the device, with prescribed stored values can reveal malfunction of components of the device as it is being used, in place, on the vehicle.

Abstract: A primary piston component for a master cylinder of a hydraulic brake system includes a primary piston housing and an additional piston component, which is configured to be at least partially movable into a cavity of the primary piston housing. An inner piston body extends through the cavity along a central line of the primary piston component. A braking force applied on a brake actuating element is transferable at least partially on the inner piston body, and further on the primary piston housing. The additional piston component is at least partially movable into the cavity between the inner piston body and the primary piston housing, and a brake booster force is transferable at least partially on the additional piston component, and via the inner piston body on the primary piston housing. A method of operating a hydraulic brake system is also described.

Abstract: An exhaust arrangement for an internal combustion engine. The exhaust arrangement includes a diffuser duct including a wall surface which diverges between an inlet and a first outlet. The arrangement further includes an auxiliary duct extending from a second outlet of the diffuser duct. The second diffuser duct outlet being located on the wall surface between the diffuser duct inlet and the first outlet. The auxiliary duct includes a heat recovery device configured to convert heat energy from exhaust gases passing through the auxiliary duct in use to mechanical or electrical energy.

Abstract: The present invention relates to a thermal energy system (1) that includes at least one exchanger module (100, 200, 300) that includes at least one heat exchanger (110a, 110b, 210a, 210b, 310a, 310b), in particular two heat exchangers, each module including at least a first circuit (140a, 140b, 240a, 240b, 340a, 340b) for a first fluid traversing, in a regular mode of operation, through the heat exchanger in a main flow direction, a second circuit for a second fluid for exchanging thermal energy between the first fluid and the second fluid, and at least one pump (160, 260, 360) including a fluid drive device (162, 262, 362) for driving the first fluid in the main flow direction, characterised in that the drive device is arranged, along the main flow direction, upstream of the heat exchanger. In addition, the invention relates to the application of such a system in ocean thermal energy conversion systems.

Abstract: A thermal energy conversion plant, wherein a pressurized liquefied working fluid gasifies in an evaporator unit located at the lower level of a closed-loop thermodynamic circuit, ascends through a widening ascending conduit to a condenser unit located at the upper level of said thermodynamic circuit, condenses and falls because gravity powering a power extraction apparatus, before entering back into the evaporator, and restarting the cycle. A much lighter pressuring gas could be optionally included in the widening ascending conduit.

Abstract: Aspects of the disclosure generally provide a heat engine system with a working fluid circuit and a method for starting a turbopump disposed in the working fluid circuit. The turbopump has a main pump and may be started and ramped-up using a starter pump arranged in parallel with the main pump of the turbopump. Once the turbopump reaches a self-sustaining speed of operation, a series of valves may be manipulated to deactivate the starter pump and direct additional working fluid to a power turbine for generating electrical power.

Abstract: Provided is a power plant and a method of operating thereof. The power plant includes a boiler for heating process fluids; and a multistage first steam turbine with an outlet line that passes through the boiler. The outlet line includes an extraction line that is configured and arranged to extract steam from an intermediate stage of the first steam turbine and heat at least one of the process fluids.

Abstract: An apparatus performs a power cycle involving expansion of compressed air utilizing high pressure (HP) and low pressure (LP) air turbines located upstream of a gas turbine. The power cycle involves heating of the compressed air prior to its expansion in the HP and LP air turbines. Taking into consideration fuel consumption to heat the compressed air, particular embodiments may result in a net production of electrical energy of ˜2.2-2.5× an amount of energy consumed by substantially isothermal air compression to produce the compressed air supply. Although pressure of the compressed air supply may vary over a range (e.g. as a compressed air storage unit is depleted), the gas turbine may run under almost constant conditions, facilitating its integration with the apparatus. The air turbines may operate at lower temperatures than the gas turbine, and they may include features of turbines employed to turbocharge large reciprocating engines.

Abstract: Aspects of the disclosure generally provide a heat engine system and a method for regulating a pressure and an amount of a working fluid in a working fluid circuit during a thermodynamic cycle. A mass management system may be employed to regulate the working fluid circulating throughout the working fluid circuit. The mass management systems may have a mass control tank fluidly coupled to the working fluid circuit at one or more strategically-located tie-in points. A heat exchanger coil may be used in conjunction with the mass control tank to regulate the temperature of the fluid within the mass control tank, and thereby determine whether working fluid is either extracted from or injected into the working fluid circuit. Regulating the pressure and amount of working fluid in the working fluid circuit selectively increases or decreases the suction pressure of the pump to increase system efficiency.

Abstract: A fluid cooled system includes a first heat generating component. A first airflow pathway directs a first flow of air across a first heat exchanger. A second airflow pathway directs a second flow of air across a second heat exchanger. A first working fluid is flowed from the first heat generating component, through the first heat exchanger and through the second heat exchanger and returned to the first heat generating component.

Abstract: An end cover for a gas turbine combustor includes a main body configured to connect to a casing that at least partially surrounds a portion of the gas turbine. A fuel circuit extends within the main body of the end cover. An orifice extends through the main body. The orifice is in fluid communication with the fuel circuit. The end cover further includes a linear actuator. The linear actuator includes a flow control member that extends the fuel circuit and at least partially through the orifice.

Abstract: A liner for a combustor of a turbine engine includes a cooling feature which projects from a backside and an effusion hole that communicates through the liner

Abstract: A combustor liner which reduces cooling flow to a combustion chamber and augments pressure drop split between impingement holes and effusion holes is disclosed. The combustor liner may further include accelerating channels, trip strips, pedestals, and cone-shaped effusion holes to provide further cooling of the liner. The combustor liner may reduce NOx production and the temperature of the combustion chamber of a gas turbine engine or the like.

Abstract: A system includes a gas turbine combustor configured to combust a fuel and an oxidant, such as O2 and O2 mixtures. The system also includes an aerodynamic peg disposed in the gas turbine combustor. The aerodynamic peg includes a first passage configured to convey a first fluid into the gas turbine combustor and a second passage configured to convey a second fluid into the gas turbine combustor. The first fluid and second fluid are different from one another.

Abstract: An air management arrangement for a late lean injection combustor system includes a combustor liner defining a combustor chamber. Also included is a sleeve surrounding at least a portion of the combustor liner, the combustor liner and the sleeve defining a cooling annulus for routing a cooling airflow from proximate an aft end of the combustor liner toward a forward end of the combustor liner. Further included is a cooling airflow divider region configured to split the cooling airflow into a first cooling airflow portion and a second cooling airflow portion, wherein the first cooling airflow portion is directed to at least one primary air-fuel injector, wherein the second cooling airflow portion is directed to at least one lean-direct injector extending through the sleeve and the cooling annulus for injection of the second cooling airflow portion into the combustor chamber.

Abstract: An apparatus performs a power cycle involving expansion of compressed air utilizing high pressure (HP) and low pressure (LP) air turbines located upstream of a gas turbine. The power cycle involves heating of the compressed air prior to its expansion in the HP and LP air turbines. Taking into consideration fuel consumption to heat the compressed air, particular embodiments may result in a net production of electrical energy of ˜2.2-2.5× an amount of energy consumed by substantially isothermal air compression to produce the compressed air supply. Although pressure of the compressed air supply may vary over a range (e.g. as a compressed air storage unit is depleted), the gas turbine may run under almost constant conditions, facilitating its integration with the apparatus. The air turbines may operate at lower temperatures than the gas turbine, and they may include features of turbines employed to turbocharge large reciprocating engines.

Abstract: A method for reducing NOx emissions in the exhaust of a combined cycle gas turbine equipped with a heat recovery boiler and a catalyst effective for NOx reduction, wherein a slip stream of hot flowing exhaust gases is withdrawn from the primary gas flow after the catalyst at a temperature of 500° F. to 900° F. and directed through a fan to a continuous duct into which an aqueous based reagent is injected for decomposition to ammonia gas and the outlet of the continuous duct is connected to an injection grid positioned in the primary exhaust for injection of ammonia gas into the primary exhaust stream at a location upstream of the catalyst.

Abstract: A bearing chamber venting system for an aircraft engine includes at least one bearing chamber air-sealed by sealing air via bearing chamber seals, a vent line connected to the bearing chamber, via which an oil/air mixture present in the bearing chamber is vented out, and an oil separator connected to the vent line. An oil return line is connected to the oil separator via which oil separated from the mixture is discharged. An air outlet line is connected to the oil separator, via which cleaned air is passed to the environment. An air ejector is arranged in the air outlet line to eject gas supplied to the air ejector into the air outlet line at a speed which is greater than the speed of the air flowing in the air outlet line and passed to the environment out of the oil separator.

Abstract: An air-oil cooler (AOC) for a gas turbine engine is disclosed. The AOC may comprise an oil inlet, an oil outlet, and heat exchange elements between the oil inlet and the oil outlet. The AOC may be longitudinally positioned between a fan and a V-groove of the engine and radially spaced between a low pressure compressor and a low pressure compressor panel. A gas turbine engine comprising an AOC is disclosed. The AOC of the engine may comprise an oil inlet, an oil outlet, and heat exchange elements between the oil inlet and the oil outlet. The AOC of the engine may be longitudinally positioned between a fan and a V-groove of the engine and radially spaced between a low pressure compressor and a low pressure compressor panel. A method of operating an AOC for use on a gas turbine engine is also disclosed.

Abstract: The present application provides a gas turbine system. The gas turbine system may include a gas turbine engine producing a flow of exhaust gases, a heat recovery steam generator with a reheater and an evaporator in communication with the flow of exhaust gases, and a gas flow control system for diverting a first portion of the flow of exhaust gases away from the reheater and towards the evaporator.

Abstract: A disclosed gas turbine engine includes a case for a case for a compressor section including a bleed air slot. The bleed air slot includes an inlet having a first area radially inward of an outlet having a second area with the second area being greater than the first area. The bleed air slot further includes a center portion disposed along a radial line extending from an axis of the engine and an elongated portion extending from the opening at an angle relative to a line normal to the radial line.

Abstract: A damper for damping vibration of a structural member of a gas turbine engine is disclosed. The damper may include a first metal mesh pad which abuts an outer circumferential surface of the structural member, and a garter spring which abuts the first metal mesh pad. Both the metal mesh pad and the garter spring may completely or partially encircle the structural member. Alternatively, the damper may include a damper cover which encloses the first metal mesh pad and the garter spring and which abuts the outer surface of the structural member. A second metal mesh pad may be inserted between the damper cover and the garter spring. A gas turbine engine which comprises such a damper is also disclosed.

Abstract: A turbine blade generally includes a platform having a pressure side, a suction side, a leading edge, a trailing edge, a pressure side slash face and a suction side slash face. A platform cooling circuit extends within the platform. The platform cooling circuit may extend from the suction side of the platform to the pressure side of the platform. The platform cooling circuit generally defines a fluid flow path that directs a cooling medium from the platform suction side to the platform pressure side.

Abstract: A cryogenic fluid delivery system includes a tank adapted to contain a supply of cryogenic liquid, with the tank including a head space adapted to contain a vapor above the cryogenic liquid stored in the tank. A liquid withdrawal line is adapted to communicate with cryogenic liquid stored in the tank. A vaporizer has an inlet that is in communication with the liquid withdrawal line and an outlet that is in communication with a vapor delivery line. A pressure building circuit is in communication with the vapor delivery line and the head space of the tank. The pressure building circuit includes a flow inducing device and a control system for activating the flow inducing device when a pressure within the head space of the tank drops below a predetermined minimum pressure and/or when other conditions exist.

Abstract: A system for cryogenic liquid delivery includes a cryogenic vacuum pump that operates to efficiently cool down the cryogenic delivery pump. The system is a no loss system that provides reduced cool down time at lower cost greater versatility and maintainability.

Abstract: A personal safety system in the form of a refuge chamber includes at least one main room and a cooling device provided for cooling the ambient air of the main room in the form of a CO2 cooling system (10). The CO2 cooling system (10) has a heat exchanger (28) and a first and a second pressure reducer (20, 32) upstream and downstream of heat exchanger (28), respectively. The heat exchanger (28) has a plurality of alternatingly or cyclically usable cooling coils. A process is provided for the operation of such a refuge chamber.

Abstract: A system using waste heat of a refrigeration unit to heat a food product, having a heating loop connected to a refrigeration unit between the compressor and the condenser, and configured to allow refrigerant to enter the heating loop to transfer heat to a food product.

Abstract: A fluidized bed conveyor belt freezer system that includes at least one wire mesh conveyor belt in a freezer with a plurality of coil arrays and fans that produce a high volume of cold air directed upward into a plurality of air deflection vanes mounted under the belt. The vanes are equally spaced apart and longitudinally aligned under the conveyor belt to evenly distribute the cold air in the fan chamber through the belt to efficiently fluidize and freeze product transported on the belt with minimal waste. The volume of cold air in the fan chamber is produced by a plurality of fan assemblies that draw cold air from coils. The cold air in the fan chamber is uniformly mixed to a constant low temperature and moves at the same velocity. The vanes efficiently divide and distribute the cold air in the fan chamber through the belt, quickly freezing the product.

Abstract: A refrigerator may include a refrigerator cabinet and at least one compartment disposed within the refrigerator cabinet, an ice maker for making wet ice disposed within the refrigerator cabinet, a bucket for storing the ice, the bucket positioned to receive the wet ice from the ice maker, and a drain in the bucket for draining water from the bucket. A method of making ice in a refrigerator includes making ice using an ice maker of the refrigerator, conveying the ice from the ice maker to a bucket having a drain, maintaining the ice in the bucket at a temperature above freezing to allow the ice to melt to water, and draining the water from the bucket.

Abstract: A merchandiser system includes a case that has a door and a door heater. The system includes a low temperature refrigeration unit sized to fit within a case compartment and to operably couple to the case to maintain food product within a low temperature range. The system also includes a medium temperature refrigeration unit sized to fit within the compartment and operably couple to the case to maintain food product within a medium temperature range. The system includes a controller in communication with the door heater and is programmed to activate the door heater only in response to the low temperature modular refrigeration unit positioned within the compartment. One of the low temperature refrigeration unit and the medium temperature refrigeration unit is removably coupled to the case within the compartment, and is replaceable by the other refrigeration unit to change the temperature range of the product display area.

Abstract: A method for operating a ducted fumehood with increased energy efficiency, wherein the method comprises: passing exhaust air from the ducted fumehood through a heat exchanger, and passing other air through the heat exchanger, so as transfer heat content from the exhaust air to the other air, or to transfer heat content from the other air to the exhaust air, so as to temperature-condition the other air.

Abstract: Generally, a variable fan speed control in an HVAC system is described. Such methods and systems to control fan speed can in turn improve efficiency of the HVAC system by minimizing power consumption, for example of the compressor. The control scheme is based on various operating conditions of compressor load and ambient air temperature, which are used to determine an optimum fan speed.

Abstract: A device that collects water vapor, from the ambient air, through condensation or deposition, on the surface of its unique heat exchangers, which are embodied with opposing intertwined and alternating refrigeration circuits. In a dual refrigeration circuit/dual heat exchanger configuration, one refrigeration circuit is responsible for freezing heat exchanger A and heating heat exchanger B while the other refrigeration circuit is responsible for heating heat exchanger A and freezing heat exchanger B. The alternating refrigeration circuits work together to intermittently freeze then thaw each heat exchanger. The water run-off from the thawing process is then collected for use. The condenser tubes of one refrigeration circuit are positioned proximate to the evaporator tubes of the second refrigeration circuit to facilitate the exchange of heat. The system may further comprise heat exchanger fins in contact with the tubes. Multiple pairs of heat exchangers may be utilized.