Abstract: Mats comprising a non-woven layer and a first polymeric layer on a major surface thereof. The mats are useful, for example, a mounting mats for pollution control devices, as well as thermal and acoustic insulation for pollution control devices and exhaust systems.

Abstract: There is provided herein an air filter that includes one or more foldable extension flaps that can be folded and secured against the frame to provided an extend thickness dimension for the frame of the air filter, which allows the same filter to be used in either a smaller or larger filter slot within an HVAC system.

Abstract: The invention provides a filter pack of which the mass is not increased, and moreover, the effective filter medium area is not reduced, and of which the pressure drop is sufficiently low, and the strength is sufficiently high, and an air filter using this. A pleated air filter pack is configured in such a way that dot embossed projections are provided on front and rear surfaces of a filter medium made of a non-woven fabric, the filter medium is folded in zigzag shape along creases of pleats, and the opposing embossed projections are brought into contact with each other when the filter medium is folded, thus maintaining the intervals between the filter media.

Abstract: An improved lawn mower having the ability to exhaust grass out of a left chute, a right chute, or a rear chute. The improved lawn mower of the present invention also having a belt system that has a reversing gear, enabling the belt system to travel in two opposite directions. The belt system driving a plurality of reversible, double-edged cutting blades having a fin that facilitates air flow in the direction of the cutting blade. The improved lawn mower also having a power coupling that can receive a lawn maintenance attachment.

Abstract: A conveyor provides a link between a combine harvester and a baler which is towed behind the combine harvester. The conveyor has a front inlet end positioned to receive trash flowing from the trash outlet of the combine harvester. The conveyor also has a rear outlet end positioned to deliver the trash to the inlet of the baler so that the trash can be baled without ever touching the ground.

Abstract: The present invention relates to a device in a machine for cutting or clearing of plant growth, e.g. grass, reeds, thickets etc., in that the growth is impacted by means of an impact device which is mounted on a shaft for rotation thereof, the impact device displaying a number of hose-shaped arms (6, 7).

Abstract: A crop pick-up frame has mountings for attachment to the feeder house of a combine harvester with a pick up assembly having transverse tine bars parallel to a transverse axis which move in a composite movement both around the transverse axis and parallel to the transverse axis such that each tine describes a closed path around the transverse axis and inclined to a radial plane of the transverse axis. Behind the bars is a belt conveyor followed by a converging auger where the belt conveyor is offset to one side relative to the bars so that the ends of the bars define a first path of travel at a first end of the bars and a second path of travel at a second end of the bars and the belt conveyor is offset such that one side edge extends beyond an outermost part of the second path of travel.

Abstract: A method is provided for making an elastic composite for incorporation into a disposable absorbent garment. An elastic element applicator is provided that is configured to move a section of a continuous strand of elastic element generally about a plane. A first web of material is conveyed in a first web moving direction such that the first web intersects the plane. Then, the applicator is operated to move the elastic element about the plane, thereby applying the section of elastic element onto the first web along a direction generally transverse to the web moving direction and such that the first web draws the continuous elastic strand from the elastic element applicator as the first web is conveyed away from the plane. The elastic element applicator may be in the form of a spin cylinder or bracket that is operated to spin the elastic element about the moving first web, thereby applying the elastic element on the first web.

Abstract: The invention relates to an aircraft turbine engine and to the use of such a turbine engine. According to the invention, the turbine engine (la) comprises a means for shifting the axis (la-la) of the blower (9a) transverse to the axis (La-La) of the hot flow generator (4a).

Abstract: A regenerator (100) for a thermal cycle engine with external combustion, according to the invention comprises a network of fibers wherein a majority of the fibers at least partially encircles the axis of the regenerator. The fibers were part of a fiber web, which is coiled and sintered thereby obtaining the regenerator.

Abstract: Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case and a fuel tank coupled to the hybrid motor case. The motor case is configured to hold solid rocket fuel and the fuel tank defines an internal volume configured to hold a fluid oxidizer. A bulkhead is interposed between the motor case and the fuel tank, wherein at least one access passageway extends through the bulkhead. The access passageway provides exterior access to the interior volume of the motor case or the internal volume of the storage tank while the hybrid rocket motor is coupled to the fuel tank.

Abstract: A method of fabricating a combustion system includes cold depositing a starting material onto a substrate as a solid metal fuel to produce a combustion structure.

Abstract: The invention intends to provide a technology which makes it possible to diagnose with higher accuracy whether or not abnormality occurs in a filter regeneration system causing excessive execution frequency of a regeneration process. The filter regeneration system initiates execution of the regeneration process, incase an estimated particulate matter (PM) accumulation amount at the filter reaches a pre-determined regeneration requiring accumulation amount; or in case the pressure upstream of the filter or the differential pressure across the filter reaches a pre-determined regeneration requiring value, the value being larger than the pressure or the differential pressure corresponding to the regeneration requiring accumulation amount. Then, the diagnosis is carried out based on a ratio of an estimated PM accumulation amount at the initiation of the execution of the regeneration process to the regeneration requiring accumulation amount.

Abstract: An exhaust treatment system for exhaust gas produced by an engine includes a condition control module, a load determination module, and an age determination module. The condition control module decreases a load on a selective catalytic reduction (SCR) catalyst below a predetermined load threshold and increases exhaust gas temperature (EGT) to a predetermined temperature. The load determination module increases injection of a dosing agent into the exhaust gas and determines a load on the SCR catalyst when dosing agent is detected downstream from the SCR catalyst. The age determination module determines an age of the SCR catalyst based the determined load and predetermined loads for first and second SCR catalysts, respectively.

Abstract: A diesel engine system includes a diesel engine, a NOx control device downstream of the engine, an exhaust line between the engine and the NOx control device, a bypass line connected to the exhaust line at a first end upstream of the NOx control device, and a bypass valve connecting the exhaust line and the bypass line, the bypass valve permitting flow through the exhaust line to the NOx control device when in an open position and preventing flow through the exhaust line to the NOx control device and permitting flow through the exhaust line to the bypass line when in a closed position. A controller can arranged to control opening and dosing of the bypass valve, such as when an operating condition of the engine reaches a predetermined operating condition.

Abstract: An air-fuel ratio control system for an internal combustion engine, which, at the resumption of air-fuel ratio feedback control, is capable of setting the initial value of an integral term of the feedback control to a value properly learned in preceding feedback control, thereby enabling improvement of control accuracy. To feedback-control the output value of an O2 sensor to a target value, a target air-fuel ratio is calculated. During the feedback control, when it is determined that a predetermined condition in which it is estimated that exhaust gas air-fuel ratio upstream of the catalyst is excellently reflected on an exhaust gas air-fuel ratio at a location midway or downstream of the catalyst is satisfied, an adaptive law input calculated immediately before interruption of the feedback control is updated and stored as the initial value of an integral term for the following execution of the feedback control.

Abstract: A particulate matter (PM) detection sensor is placed in an exhaust gas pipe of a diesel engine. The PM sensor element has a detection part composed of a pair of detection electrodes and a heater part. The detection electrodes and the heater part are stacked in the PM sensor element. A control circuit instructs a heater power supply to supply electric power to the heater part when the diesel engine is started to operate. The heater part heats the detection part at a predetermined temperature T1 within a range of 600° C. to 900° C. for a predetermined period S1 of time, for example, 650° C. for 20 seconds, in order to burn and completely eliminate particulate matter accumulated in the detection part. This control process avoids incorrect detection of the PM detection sensor. After this process, the control circuit executes usual control of the PM detection sensor.

Abstract: A two-stroke uniflow scavenged diesel engine system including an exhaust gas recirculation (EGR) system is described for reducing NOX emissions and achieving desired fuel economy by recirculating exhaust gas through the engine. More specifically, the present invention is directed to a pressure balance exhaust gas recirculation (EGR) assembly for a two-stroke locomotive diesel engine having an EGR system. The present pressure balance EGR assembly includes an EGR module adapted to define a space between the external housing wall of the DOC housing and the inner wall of the EGR module housing and a space between the external wall of the DPF housing and the inner wall of the EGR module housing. One side of each space is confined by a flange-gasket arrangement, whereas the other side of the space is in open communication with the outlet of the respective DOC or DPF such that a portion of the exhaust fills each space.

Abstract: A thermoelectric device contains at least one module having a first carrier layer and a second carrier layer, an interspace disposed between the first carrier layer and the second carrier layer, and an electrical insulation layer disposed on each of the first carrier layer and on the second carrier layer toward the interspace. The thermoelectric device further has a plurality of p and n-doped semiconductor elements, which are arranged alternately in the interspace between the insulation layers and are alternately electrically connected to one another.

Abstract: A flap arrangement in an exhaust track of a motor vehicle includes an exhaust flap and a slave cylinder for controlling an operative position of the exhaust flap. The slave cylinder is fluidly connected to a master cylinder by a hydraulic line containing a hydraulic fluid in the form of liquid metal. The movement of the master cylinder is thus transmitted via the liquid metal to the slave cylinder. A mechanical coupling of the slave cylinder with the exhaust flap moves the exhaust flap to a respective operative position.

Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: The invention relates to a hydrostatic drive system having a motor-driven hydraulic pump (1) that can be connected to at least one hydraulic drive unit (7) by means of a first (19) and a second working line (21) forming a hydraulic circuit, said drive unit being connected to a gear set (1, 3), having a first hydraulic accumulator (53) for accumulating pressure energy that can be connected to one of the working lines (19, 21), and a second hydraulic accumulator (55) that can be connected to the other working line (19, 21), and having a valve device (V1, V2) by which the segment (23, 25) of each working line (19 or 21) running to the drive unit (7) can be separated in order to separate an accumulator part (33) from the part of the circuit comprising the hydraulic pump (13), said accumulator part comprising the hydraulic accumulators (53, 55) and the at least one drive unit.

Abstract: A swing system for construction machinery or a vehicle, particularly an excavator or a crane, includes a swing brake for blocking or unblocking a rotational movement of a first portion of the vehicle relative to a chassis portion of the vehicle, and a swing pump and a swing motor are provided for performing the rotational movement. The swing pump can be positioned in a neutral position where no rotational movement of the first portion takes place. At least one brake control actuator is provided for automatically engaging the brake when the swing pump is in its neutral position. The swing system can provide an improved control of the swing movement on a slope and an improved comfort during operation of the swing movement.

Abstract: In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid.

Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: A Stirling-like system incorporating a heater, a displacer and a regenerator is intermittently coupled to an external system via valves, providing pneumatic power while ridding waste heat. The external system is commonly a Rankine cycle, sharing the working fluid of the Stirling-like system, and can be used for heat pumping, distillation and drying. The Stirling working fluid and the Rankine working fluid are the same material and are exchanged between the two systems. A dual Stirling-like system mates a heat engine with a heat pump, sharing the same pressure-containment, with the dual system intermittently coupled to external environments for convective exchange of heat and cold.

Abstract: [TASK] It is an object to provide a brake device and a method of controlling the brake device, capable of suppressing an inrush current during a startup period of an electric booster. [MEANS TO SOLVE] In a brake device having an input rod, a piston for pressurizing a fluid pressure in a master cylinder responsively to a displacement of the input rod, and an electric booster for pushing the piston against a spring bias of a return spring of the piston and for assisting a movement of the piston in a direction for pressurizing of the fluid pressure, an input-rod displacement detection device is provided for detecting the displacement of the input rod.

Abstract: Various systems and methods for controlling a turbocharger of an engine via a wastegate are described. In one example, actuation of the wastegate is limited when outside a range, the limits of the range varying with boost pressure, turbine inlet pressure, turbine outlet pressure, and atmospheric pressure. In this manner, a tracking error may be reduced when controlling the boost pressure and using the boost pressure to actuate the wastegate in a boost-based wastegate configuration.

Abstract: A vane for a turbine assembly of a turbocharger includes an airfoil that has a pair of flow surfaces disposed between a hub end and a shroud end and a leading edge and a trailing edge where the airfoil further includes a non-zero sweep angle, a non-zero lean angle, a non-zero twist angle or any two or more combinations thereof. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.

Abstract: Pyrotechnic actuator in particular for lifting the hood of an automobile in the event of a collision with a pedestrian. The actuator comprises a return-braking arrangement (25) acting between the rod (17) and the body (13) of the actuator and having an inertial actuating threshold in order to brake the rod in return only if it is subjected to a force under a sufficient acceleration truly representative of a collision.

Abstract: In various embodiments, gas is compressed to store energy and/or expanded to recover energy to or from high pressures, and the gas is exchanges heat with a heat-exchange fluid that is thermally conditioned at low pressures.

Abstract: An energy producing device, for example a submersible vehicle for descending or ascending to different depths within water or ocean, is disclosed. The vehicle comprises a temperature-responsive material to which a hydraulic fluid is associated. A pressurized storage compartment stores the fluid as soon as the temperature-responsive material changes density. The storage compartment is connected with a hydraulic motor, and a valve allows fluid passage from the storage compartment to the hydraulic motor. An energy storage component, e.g. a battery, is connected with the hydraulic motor and is charged by the hydraulic motor when the hydraulic fluid passes through the hydraulic motor. Upon passage in the hydraulic motor, the fluid is stored in a further storage compartment and is then sent back to the area of the temperature-responsive material.

Abstract: A thermal storage system includes a first tank and a second tank thermally interfaced with the first tank. A pump is connected between the first tank and the second tank to move a fluid from the first tank to the second tank. A first heat exchanger includes a heat-exchanging portion that is located within the first tank. A second heat exchanger includes another heat-exchanging portion that is located within the second tank.

Abstract: A solar receiver is provided. The solar receiver may include a receiver housing with front and rear ends. The solar receiver may also include a window configured to allow radiation to pass therethrough. The window may be mounted at the front end and project within the housing. The solar receiver may also include a receiver chamber defined between the housing and the window. The receiver chamber may include a working fluid inlet for ingress of working fluid to be heated therewithin, and a working fluid outlet for egress therethrough of the heated working fluid. The solar receiver may also include a solar radiation absorber configured for absorbing the radiation and heating the working fluid thereby. The absorber may be located within the receiver chamber and may surround at least a portion of the window. The solar radiation absorber may be formed with projections.

Abstract: The amount of high-temperature steam supplied from external equipment is reduced. Provided is a hydrogen production system (1) including a reactor (3) that allows a humidified process fluid output from a humidifier (2) to react in the presence of a catalyst to transform carbon monoxide in the process fluid into carbon dioxide; a second channel (B) through which the high-temperature process fluid that has reacted in the reactor (3) flows; a circulation channel (C) through which excess water in the humidifier (2) is circulated; and a first heat exchanger (7), disposed at an intersection of the circulation channel (C) and the second channel (B), for heat exchange between the high-temperature process fluid that has reacted in the reactor (3) and the fluid circulated through the circulation channel (C).

Abstract: A method is provided for operating a combined cycle power plant having at least one gas turbine, a heat recovery steam generator (HSRG), a steam turbine and a CO2 capture system. The method includes recirculating a first partial flow of flue gases from the HRSG. The method also includes capturing CO2 from a second partial flow of flue gases from the HRSG; and operating a supplementary firing to increase the net power output of the plant and to at least partly compensate the power consumption of the CO2 capture system. A combined cycle power plant is also provided. The plant includes at least one gas turbine, at least one heat recovery steam generator, at least one steam turbine at least one CO2 capture system, and flue gas recirculation. The plant also includes a low excess air supplementary firing.

Abstract: A system and method for cogeneration of electricity and useful heat utilizing non-fractionalized biomass as a fuel whose combustion in thermal proximity to a heat transfer medium, preferably water, is used to drive an organic Rankine Cycle which generates mechanical power for driving an electrical generator, and from which useful heat is captured and may be used for any of a myriad of purposes.

Abstract: A system controls net thrust of a steam turbine having a stepped rotating shaft. A first leak off line fluidly couples a first stage of a turbine section to a packing upstream of a stepped portion on the rotating shaft. A second leak off line fluidly couples a second stage of the turbine section that is subsequent to the first stage to a step area upstream of the stepped portion, and a connection line fluidly couples the first leak off line to the second leak off line. The lines include control valves such that a controller can actively control the net thrust by regulating thrust pressure on the stepped portion using steam from the first and second stages of the turbine section. The controller may also prevent damage to an active retractable seal using the control valves.

Abstract: A pair of organic rankine cycle systems are connected in series with the geothermal fluid passing first through an evaporator of the first system and then through an evaporator of the second system before returning to a sink. Similarly, the cooling tower is arranged to provide cooling water to pass first through the condenser in one system and then through the condenser of the other system, to reduce the total flow required and the size of associated cooling hardware.

Abstract: A system is disclosed including a low pressure steam turbine; an air-cooled condenser (ACC) in fluid connection with the low pressure (LP) steam turbine, the ACC for receiving a portion of steam from an exhaust of the LP steam turbine; a feedwater heater in fluid connection with the low pressure steam turbine via a conduit, the feedwater heater for receiving a portion of supply steam from the LP steam turbine; and a condensate pump in fluid connection with the ACC and the feedwater heater, the condensate pump for receiving condensate fluid from the ACC and drain fluid from the feedwater heater.

Abstract: The present invention relates to a dosing system for dosing a first fluid, preferably flowing in a first flow passage (5) into a stream of a second fluid, preferably flowing in a second flow passage (9). The system may e.g. be used to dose a reducing agent into an exhaust gas from a combustion engine (1). The system comprises a valve (6), a nozzle (3) having an outlet arranged downstream of the valve (6), a flow passage (5) through which the first fluid can flow from a reservoir (4) to the nozzle outlet via the valve (6), and a control system (7) adapted to receive input from one or more sensors (8) and based thereon determine a request value based on which a valve opening period is determined. The valve opening period is different from zero and independent on the request value when the request value is below a predefined threshold value.

Abstract: A flow-through substrate comprising a sulfur-containing compound distributed throughout the flow-through substrate structure. The flow-through substrate may be used, for example, in the removal of a heavy metal from a fluid such as a gas stream.

Abstract: A switchable solar heating device for a gas turbine with a compressor, having a valve for electively bypassing a solar heater which is arranged between a compressor stage and a turbine stage of the gas turbine. The valve is constructed as a 4-way valve with a compressor port that can be connected to the compressor stage, a turbine port that can be connected to the turbine stage, a solar input port that can be connected to an input of the solar heater, and a solar output port that can be connected to an output of the solar heater.

Abstract: A combustor liner cap assembly is provided for use in a multiple fuel nozzle combustor of a gas turbine. The combustor liner cap assembly includes a tube plate having a plurality of fuel nozzle openings and a plurality of open ended premix tubes extending aft from the tube plate. Each premix tube has a forward end having a forward edge, the forward end being received in a corresponding one of the fuel nozzle openings. Each premix tube is secured to the tube plate aft of the forward edge of the forward end of the premix tube, for example, metallurgically bonded, such as by welding or brazing, to the tube plate or threaded into the tube plate.

Abstract: An air swirler, a fuel and air admission assembly, and a staged combustor are disclosed. The staged combustor may be equipped with the fuel and air admission assemblies incorporating the air swirlers for use in gas turbine engines, such as for example gas turbine engines powering aircraft having supersonic cruise capability.

Abstract: In certain exemplary embodiments, a system includes an annular duct having an inner annular wall and an outer annular wall. The system also includes a plurality of injector vanes configured to mix air and fuel to produce an air-fuel mixture, and configured to inject the air-fuel mixture into a central chamber between the inner and outer annular walls.

Abstract: A burner assembly for a firing system for firing fluidic fuels is provided. The burner assembly has a burner hub, an air inlet channel and a fuel inlet channel, wherein the fuel inlet channel is at least partially designed in the burner hub. A screening wall is arranged in the fuel inlet channel. The screening wall is spaced apart from a wall of the fuel inlet channel so that an intermediate space is formed between the wall of the fuel inlet channel and the screening wall. A sleeve is equipped with at least one radial positioning means that ensures a clearance of the sleeve from the wall of the fuel inlet channel. The at least one radial positioning means of the sleeve is designed as a positioning projection arranged in a circular manner, protruding out radially.

Abstract: An insert for pre-mixing a secondary fuel in a pre-mixing annulus of a fuel nozzle assembly is disclosed. The insert includes a cartridge extending through at least a portion of the fuel nozzle assembly and configured to flow the secondary fuel therethrough. The insert further includes an adapter coupled to the cartridge, the adapter defining a fuel plenum and at least one radially extending injection bore. The at least one injection bore is configured to accept at least a portion of the secondary fuel from the cartridge and inject the secondary fuel into the pre-mixing annulus.

Abstract: Diffuser intended to straighten the flow of air issuing from a centrifugal compressor in a turbine engine, the said diffuser having a cylindrical shape and comprising a first part having the form of two substantially parallel discs extending substantially radially relative to the axis of symmetry of the diffuser, a second bent part and a third part intended to open out into a downstream cavity, positioned downstream of the said diffuser and fed with air issuing from the said compressor, characterized in that the first part is traversed by a plurality of channels distributed evenly over its circumference and opening out on its downstream face so as to bring the air contained in the said downstream cavity into communication with a bleed cavity situated upstream of the said diffuser.

Abstract: A gas turbine includes a liner, a casing surrounding the liner, a hula seal flexibly connected to an aft end of the liner and a liner aft support mechanism. The liner is configured to receive compressed gas and fuel at an upstream end, the mixture of the compressed gas and the fuel being burned in a combustion core area of the liner to yield hot exhaust gasses. The liner aft end support mechanism is located downstream from an area where a highest temperature on an outer surface of the liner is attained, and upstream to a portion where the hula seal is connected to the liner, and is configured to movably support the liner inside the casing. The liner aft end support mechanism includes at least three individual support elements configured to allow a part of the individual support elements to move in the flow direction relative to at least one of the liner or the casing.