Abstract: A pultruded utility structure is presented. The pultruded utility structure are pultruded or extruded in a pre-determined shape, in plural colors, is environmentally safe, aesthetic pleasing and resistant to damage from weather, animals, insects and resistant to corrosion. The pultruded utility structure includes utility pole, a lighting pole, a structural support, an architectural design element (interior or exterior), a marine dock element or a fencing element, etc.

Abstract: An improved hollow beam suitable for construction of screened enclosures and the like, the beam being composed of a mated pair of generally C-shaped extruded members, preferably of identical configuration. Each extruded member comprises a side wall, a male flange member forming one of the short arms of the C-shape, and a female flange member forming the other of the short arms of the C-shape. The combination of the male and female flanges define a coupling assembly presenting a generally planar mated exterior surface on the end walls.

Abstract: Apparatus is provided for securing solar energy collection devices to a roof. A plurality of rails (103, 104) are provided. Each rail is attachable to a roof (102) at mutually displaced positions and defines a rail slot (702, 915). Attachment devices (917) are provided, each configured to engage with a rail slot (702, 915) such that in a first condition the devices are free to move along the slot and in the second condition the devices are secured within the slot. The attachment devices (917) include an engaging portion (919) that protrudes from the slot to engage with a solar energy collection device.

Abstract: A decorative flat member comprises a rigid, substantially flat substrate having top, bottom, and lateral surfaces; a metal layer attached to the top, bottom, and lateral surfaces; and a resin layer encasing the metal layer. The decorative member can be a part of a piece of furniture, countertop, flooring, carpentry, or cabinetry. A lead layer having an epoxy resin layer thereon has been found to be of special interest for architectural or decorating purposes.

Abstract: A clamp for use with metal bar joists (or beams) has one or more steel angled bracket members or plates, adapted to fit under the corrugations of a corrugated steel roof. Each plate of the clamp is adapted to sit horizontally across a top of the bar joist perpendicular to the joist, and extend slightly over an edge of the joist. Each plate contains an elongate slot allowing a bolt to be inserted through the slot. A retainer heel clip is secured to an end of each such bolt. This retainer heel clip is tightened to the underside of the top flange of the bar joist using a washer and a threaded plate or nut, thus providing a clamping action. Each clamp has a vertical attachment tongue section of steel welded to it, including one or more elongate slots which complement perforations that occur along the length of a steel framing angle, allowing bolts to attach the clamp and the framing angle together.

Abstract: An applicator unit for a system applying pressure relief valves to packaging during the packaging process. A punch shaft and an applicator shaft each have an axis and opposed ends. The punch shaft has a punch at one end. The applicator shaft has an applicator vacuum head at one end. Each shaft moves axially between retracted and extended positions. The shafts are angled, with the punch and applicator ends more apart than the respective opposed ends, and are carried on a plate for limited rotational movement relative to the applicator unit. First the punch is pivoted from a first position into a third position, while the applicator head is simultaneously pivoted from a second position into the first position. Then the punch is pivoted from the third position back into the first position, and the applicator head is simultaneously pivoted from the first position back into the second position.

Abstract: A packing wheel for packing products in sheets of packing material, and wherein a supporting body is mounted to rotate about a central first axis of rotation, and supports a number of peripheral packing pockets, each of which receives and houses a respective product and a respective sheet of packing material, and is fitted to the supporting body in a respective peripheral position to rotate, with respect to the supporting body, about a peripheral second axis of rotation parallel to the first axis of rotation; and wherein each packing pocket is mounted to rotate about a respective third axis of rotation parallel to the relative second axis of rotation, located a given distance from the relative second axis of rotation, and rotating about the relative second axis of rotation.

Abstract: Cup-shaped containers can be turned over and transferred with good stability from a sterilization-washing zone to the filling-sealing zone inside an aseptic chamber, and admixture of odor or microorganisms is prevented. The first conveyor 2 for conveying the cup-shaped container 38 in an inverted state and a second conveyor 3 for conveying the container in an upright state downstream of the first conveyor 2 are disposed in series in substantially the same plane inside a continuous aseptic chamber 1. A container supply device, a container sterilization device, and a container washing device are disposed successively along the first conveyor 2. A contents filling device 40, a lid material sealing device 41, and a device for discharging the sealed cup-shaped container are installed successively along the second conveyor 3. Sterilization and washing are performed in an inverted state, while conveying the container with the first conveyor 2.

Abstract: The present invention relates to an upright vacuum cleaner including a housing and a nozzle base having a main suction opening. The housing is pivotally mounted on the nozzle base. The housing comprises a cyclonic separator including a dirty air inlet and a sidewall. A lower end of the separator being secured to a lower skirt. A dust collector section is located beneath the separator and includes a sidewall. A perforated tube is disposed within the separator. The perforated tube includes a shroud extending away from a closed lower end of the perforated tube. A diameter of the shroud is larger than a diameter of the separator lower end. The lower skirt and the shroud define a first air channel for directing air from the separator into the dust collector section. The first air channel has a substantially constant volume for maintaining airflow velocity.

Abstract: The present invention provides systems and methods of portable oil filtration. In an exemplary embodiment, the portable oil filtration system has a portable device body. Mounted on this portable device body are a motor, a pump, an input valve, an output valve, and a filtration device. Additionally, the portable device body is enabled to be carried by a user.

Abstract: A device for detachably securing a dust filter bag in dust aspirating equipment, comprises a flange part of rigid material seated externally on the bag wall and having a passage opening aligned with an inlet opening in the bag wall, and an equipment specific adapter plate of rigid material, which on the one hand is able to be secured to the dust aspirating equipment and on the other hand is able to be detachably connected with the flange part by means of a plug and detent joint. The adapter plate has a through opening which in the connected state is flush with the passage opening in the flange part and together with same has a through opening constituting a flow opening with the same and an annular seal and in the connected state effective between the adapter plate and the flange part for sealing off the through opening from the outside.

Abstract: One aspect of the invention is directed to a filter assembly for use in a baghouse having a tubesheet with a plurality of thimbles each having a beaded portion. The filter assembly comprises a cylindrical filter bag having an axial end portion formed into a cuff. The cuff of the filter bag is adapted to be positioned within the thimble. The filter assembly also includes mounting structure adapted to be located within the cuff of the filter bag to mount the filter bag relative to a respective thimble of the tubesheet. The mounting structure comprises an annular gasket. The gasket includes a bead portion. The mounting structure also includes a resilient snapband for exerting a force to expand the gasket outward and seat the bead portion of the gasket within a beaded portion of the thimble to form a seal.

Abstract: An air intake assisting device for automobile engine is disclosed, including a body comprised of a receiving cylinder and upper and lower caps. The receiving cylinder receives and fixes a partition plate therein. The partition plate defines an air passage, and a pressure-balance aperture. The upper cap forms a plurality of air inlet openings. The lower cap forms a coupling bore in an upper portion thereof and a tubular fitting section on a lower portion and in communication with the coupling bore. A spring, a steel sphere, and a board defining a circular hole are received in the coupling bore. A filtering member is disposed in the receiving cylinder and located above the partition plate.

Abstract: A cyclone separator assembly comprises a cyclone separator that removes large particles of dirt from a working airstream as it flows through the cyclone separator, and the separated large particles of dirt are deposited into a dirt cup. The cyclone separator assembly further includes a fine particle separation member comprising a plurality of apertures for separating fine particles of dirt from air in the cyclone separator or the dirt cup. The fine particle separation member can be formed in a wall of the cyclone separator, a sidewall of the dirt cup, or in the outlet of the cyclone separator assembly. The cyclone separator assembly can further include a guide plate for creating a direction change in the path of the working airstream to aid in the separation of fine particles of dirt from air passing through the outlet.

Abstract: The present invention relates to a fry pan for removing an odor comprises a body including an upper half casing and a lower half casing combined together and having a guide passageway formed penetratingly therein in such a manner as to intercommunicate with a side of the inside thereof and the outside thereof, respectively, a discharge opening/closing means disposed at an end of the body for opening/closing the guide passageway, and a grill net mounted along the outer peripheral edge of the body for putting a food to be cooked thereon, so that a food odor and gas and the like produced when cooking is discharged only to the lower portion of the lower half casing due to the air-tightness by a silicon formed along the outer peripheral edges of the discharge opening/closing means and the grill net, respectively, and is combusted by a flame of a gas stove, thereby effectively removing the food odor.

Abstract: A grill and filter assembly having a replaceable filter element includes a rectangular frame assembly, grill insert and a filter. The rectangular frame assembly has an outer frame forming a face and an outwardly extending wall extension. The grill insert has a plurality of louvers and an outwardly extending filter housing. It also includes a plurality of flanges extending inwardly from the filter housing to a depth of no greater than the thickness of standard drywall. The filter assembly includes a loop covered with a fabric filter material. The loop is capable of flexure and the filter is inserted within the filter housing and under the flanges. A plurality of magnets are attached to the wall extension and located to magnetically hold the grill insert within the frame assembly. The flanges and filter housing are structurally adapted to allow the filter to be flexed and slid from under the flanges to remove it from the grill insert.

Abstract: A honeycomb body, in particular for use in the exhaust system of a motor vehicle, includes an at least partially ceramic honeycomb structure through which a fluid can flow. The honeycomb structure is disposed in a tubular casing and has cavities. The honeycomb body has at least two axial subregions in a longitudinal direction. The honeycomb structure is connected to the tubular casing in an axial securing region and an axial measurement sensor region has a recess for accommodating a measurement sensor in the honeycomb structure. The honeycomb body has a permanent connection between the tubular casing and the ceramic honeycomb structure due to its preferably force-locking and/or form-locking connection between the tubular casing and the honeycomb structure in the securing region. Despite the recess, further damage to the honeycomb structure in the measurement sensor region is avoided. A process for producing such a honeycomb body is also provided.

Abstract: A method and a device for carrying out the method, are used to adjust the length of cut of a chopping device of an agricultural harvesting machine, in the case of which the length of cut of the chopping device is adjusted depending on the rebound behavior of the crop material to be chopped.

Abstract: An agricultural machine for crop processing, the agricultural machine being provided with a drawbar that is connectable to a pulling vehicle, at least one crop processing member that is pivotably fastened to the drawbar, and a hydraulic lift cylinder for pivoting the crop processing member upwards relative to the drawbar, one side of the lift cylinder being fastened to the crop processing member and its other side to the drawbar, the lift cylinder comprising a first cylinder housing connected to the crop processing member, a second cylinder housing connected to the drawbar and a common piston rod connecting the two cylinder housings and being slidably included therein, the active internal surface of the first cylinder housing being larger than the active internal surface of the second cylinder housing.

Abstract: A stalk roll to be mounted upon a stalk roll drive shaft of a corn harvesting header is disclosed. In one embodiment, the stalk roll comprises a cylindrical shell, at least four flutes affixed to and extending radially from said cylindrical shell, wherein said flutes are arranged in a first group and a second group, wherein said first group and said second group contain an equal number of said flutes, and wherein a peripheral distance between said first group and said second group is greater than a peripheral distance between said flutes within either said first group or said second group.

Abstract: A harvester for root crops such as beets is provided which preferably provides improved flow of root crops from a lifting assembly, along a plurality of transfer assemblies, and to a holding tank or a separate loading vehicle. Each transfer assembly includes a transfer surface, typically a conveyor or roller, for the downstream movement of harvested root crops. At least one of the transfer assemblies includes a movable stagnation reduction member mounted for rotation above the associated transfer surface. The movable member is typically positioned at a transition region of the flowpath in order to provide a “moving wall” that contacts harvested root crops to urge them downstream and prevent stagnation at the transition region. The movable member may be driven by any of a number of possible mechanisms or undriven and rotated by contact with the flow of crops.

Abstract: A tubular device (1) constructed of a material strong enough to withstand the torque of a typical air wrench or cheater bar used by a lawn mower repair shop or a homeowner. One end of the device (1) must have an opening (4) and be of the size as to allow a lawn mower blade (5) to be inserted inside of it. On this end is located a leveler and/or retainer (10) to raise the opposite end of the device to assure it remains at or above the horizontal plane of the mower blade (5) allowing it to provide a safer prop against the discharge or underside of a mower deck (6). This device may include a pin or shaft (2) to act as a stop for the device sliding over or upon the blade (5) to provide economics for manufacturing, (one size fits all). This adjuster for the blade may also act as a fastener for an additional tubing to be added (7) to the device (1) to allow it to function with extremely long blades (5).

Abstract: An agricultural harvester includes a harvester reel with a plurality of pickup tines spaced along a length thereof, and at least one conversion tine. Each conversion tine includes an elongate hollow body having a cavity with an open proximal end. The hollow body is positioned over the pickup tine such that the pickup tine extends through the proximal end and is received within the cavity. At least one fastener adjacent the proximal end fastens the hollow body over the pickup tine. At least one lateral extension extends from the hollow body in a lateral direction along the length of the harvester reel.

Abstract: A spiral rope R for liana raising includes a core member 10 and a side member 20. The side member 20 is wound around the core member 10 in the winding direction of a twiner B1 of a liana B which grows up in the Northern Hemisphere of the earth.

Abstract: The invention relates to a spinning position (6), on a jet spinner, comprising a fibre guidance element (3). According to the invention, the splaying of the outer fibres of the fibre composite (1) for introduction, may be increased, and hence the quality of the yarn increased and also jamming of the fibre elements lying parallel to the guide element (34) may be avoided, whereby the introduction direction (34) of the fibre composite (1) is inclined to the direction of the fibre guide surface (5) at an entry edge (32) by an angle alpha and the entry edge (32) is arranged within the fibre guide element (3).

Abstract: A power and cooling management system configured to flexibly couple various adaptive modules to an integrated power and cooling unit to suit any aircraft platform is provided. The integrated power and cooling unit has a compressor, a power turbine, a cooling turbine and an integral starter generator mounted to the shaft of the power and cooling turbine. The integrated power and cooling unit may be pneumatically and/or pneumatically coupled to an adaptive module that comprises an additional compressor and an additional turbine or electrically coupled to a fuel cell which provides the main power after entering the full operation mode. When the engine includes an integral starter generator mounted thereto, the integral starter generator of the integrated power and cooling unit is operative to receive electric power from the engine mounted generator. Alternatively, a motor/generator may be mounted to the shaft of the additional turbine of the adaptive module.

Abstract: In a fuel cut period, an adsorbed CO quantity calculation section calculates the amount CATco of CO adsorbed on a catalyst, and an exhaust O2 quantity calculation section calculates the amount GASo2 of O2 in exhaust gases. CO oxidation reaction heat ?Hr produced when the calculated amount CATco of absorbed CO reacts with the calculated amount GASo2 of O2 in the exhaust gases is calculated by a ?Hr calculation section, and used in estimation of the temperature of the catalyst.

Abstract: A technology for purifying an exhaust emission from an engine is provided, in which a misjudgment caused by a time lag between the abnormality detection and an abnormality judgment is avoided, in the case where a plurality of abnormalities is judged on the aqueous solution of a reducing agent or the like. After a first abnormality judgment (Femp=1: the time t2) is made, when a second abnormality is detected as a result that the concentration Dn as a state parameter is directly shifted from a first region A to a second region C (the time t3), the first abnormality judgment is maintained for a predetermined period of time PRD after the second abnormality detection.

Abstract: The invention relates to a dosing device (100) for introducing an operating means especially into an exhaust manifold (140) of an internal combustion engine (210). Said dosing device (100) comprises a cooling system for cooling particularly an injector module (110) of the dosing device (100). The cooling system is provided with a cooling circuit (115) encompassing at least one cooling fluid and at least one cooling device (120) which dissipates heat from the cooling circuit (115). A first portion (115a) of the cooling circuit (115) is disposed at least in part below the cooling device (120) and/or a second portion (115b) of the cooling circuit (115) is located at least in part above a point that heats the cooling circuit (115), especially above the injector module (110).

Abstract: The invention relates to a medium supply system, in particular of an exhaust gas cleaning device for treating the exhaust gas of an internal combustion engine comprising a storage tank (10) and a supply line (11) which is connected to the storage tank (10) for supplying the medium to a dosing unit (14) connected to an exhaust pipe (12) and to a recycling line (13) for recycling the medium to the storage tank (10). Said invention is characterised in that the supply line (11) and/or the recycling line (13) are provided with at least one conduit area (33) comprising at least one first (15) and second (16) parallel partial channels for the medium circulation, wherein said partial channels (15, 16) exhibit different insulation properties. An exhaust gas cleaning device comprising the inventive supply system and a method for the operation thereof are also disclosed.

Abstract: In a method for controlling the air ratio lambda and for controlling the torque of an internal combustion engine, e.g. of a diesel engine, a fuel is supplied in at least two injection processes, including a main injection of a main injection quantity and a post-injection of a post-injection quantity, and the main injection quantity is influenced to control the torque and the post-injection quantity is influenced to control the lambda value. A corrective main injection quantity ascertained for the torque control is at least proportionally subtracted from the post-injection quantity.

Abstract: A method and system is disclosed for regenerating a particulate filter for an exhaust system. A source of hydrocarbon is injected into the exhaust flow upstream of the filter. The injected hydrocarbon within the filter is caused to oxidize and a temperature within the filter to rise, the temperature rise being initiated at a downstream end of the filter. A temperature change at the filter is sensed in response to the oxidation of the hydrocarbon. The amount of hydrocarbon being injected into the filter is adjusted to increase the temperature within the filter above a defined threshold from the downstream end to an upstream end of the filter, the defined threshold temperature being sufficient to oxidize soot. An operational parameter indicative of the filter regeneration being complete is sensed, and further injection of the hydrocarbon into the exhaust flow is prevented in response to the sensed operational parameter.

Abstract: A combined EGR cooler and non-thermal plasma device has first and second fluid passageways which are in heat exchange communication with one another. One or more electrodes are located in the second fluid passageway. The electrodes are connected to a voltage source. When a voltage of sufficient magnitude is applied to the electrodes, a non-thermal plasma is generated in the second fluid passageway. The device can be constructed in the form of a shell-and-tube heat exchanger or a stacked-tube type heat exchanger, wherein the electrodes extend through the heat exchange tubes. Hot exhaust gases preferably flow through the tubes in heat exchange contact with a liquid coolant, thereby cooling the exhaust gases. The electrodes generate non-thermal plasma inside the tubes, converting at least a portion of the NO in the exhaust to NO2, which reacts with soot in the exhaust gases to generate CO2 and N2, thereby cleaning the exhaust gases.

Abstract: In relation to an exhaust gas purification system that mixes a liquid reducing agent with air and injection-supplies this mixture into an exhaust gas flowing on an upstream side of a reduction catalyst (20) to thereby effect reduction purification of NOx in exhaust gas, a technical attention is directed to the relation of respective elements of; the travel distance, the fuel consumption, the air consumption, or the running time and the like, and the liquid reducing agent consumption, to constitute a configuration such that a continual monitor as to whether the injection condition of liquid reducing agent is normal or abnormal is executed by judging whether or not the amount of liquid reducing agent consumed for a predetermined travel distance, a predetermined fuel consumption, a predetermined air consumption, or a predetermined running time, is within a predetermined range.

Abstract: The stability and power conversion efficiency of a wave energy converter (WEC) which includes a float, a spar and a power taken device (PTO) connected between the spar and the float is increased by connecting a heave plate to the spar in a very secure manner and by carefully limiting the movement between the float and spar to one direction (i.e., up-down motion). Buoyancy chambers may be attached to the WEC to facilitate its transportation and deployment. The WEC may be formed in sections and assembled at, or close to, the point of deployment.

Abstract: A compressor assembly (304) includes a compressor housing (312) having a main air inlet (324) and an annular wall (328) defining an inducer bore (325). A secondary inlet passage (322) is disposed around the inducer bore (325). The secondary inlet passage (322) has an inlet slot (320) operatively intersecting the inducer bore (325) to permit the entry of a fluid thereinto through an inlet port (327). The inlet slot (320) advantageously defines an augmented inducer diameter region (331). Preferably the secondary inlet passage (322) may be selectively partially or completely isolated from the main air inlet (324). A compressor wheel (318) is located in the compressor housing (312) and has a stepped portion (330) formed by at least one plurality of vanes (238) operatively associated with the augmented inducer diameter region (331) adjacent to the inlet slot (320) of the housing (312) to receive fluid therefrom.

Abstract: An engine system is disclosed that monitors for boost leak. The system has an engine, a compressor located upstream of the engine, at least one auxiliary flow device located downstream of the engine, and a computing system operable to determine an estimated value corresponding to a flow of fluid through the compressor. The estimated value takes into account a flow of fluid from the compressor toward the at least one auxiliary flow device distinct from a flow from the compressor toward the engine.

Abstract: A suction arrangement for drawing off a boundary layer on an aircraft comprises a suction arrangement including an outer skin having suction surfaces in critical flow areas, and at least one air breathing engine providing suction. Bleed air is drawn from a comparatively high-pressure region of the engine by means of a branch line and the bleed air is used for driving a turbine of at least one turbo-supercharger assembly. A compressor of the turbo-supercharger assembly or assemblies serves as the suction source for drawing off a boundary layer at the suction surfaces in critical flow areas.

Abstract: A self-contained refrigerant powered system is provided having a plurality of boilers each for heating a liquid refrigerant to form a gaseous refrigerant; a motor in fluid communication with each of the plurality of boilers for receiving the gaseous refrigerant, wherein the gaseous refrigerant is used to power the motor; and a condenser in fluid communication with the motor for receiving the gaseous refrigerant and for converting the gaseous refrigerant to a liquid refrigerant; and a return pipe in fluid communication with the condenser and the plurality of boilers for returning the liquid refrigerant to at least one of the plurality of boilers.

Abstract: A self-contained refrigerant powered system is provided having a motor configured for receiving liquefied refrigerant and converting the liquefied refrigerant into gaseous form for powering the motor; a condenser in fluid communication with the motor for receiving gaseous refrigerant and for converting the gaseous refrigerant to liquefied form; and at least one pipe in fluid communication with the condenser and the motor for returning the liquefied refrigerant to the motor.

Abstract: A steam turbine plant includes an extraction system and a control system for controlling the steam extraction. The extraction system includes an extraction steam flowmeter and a stop valve. The control system sets a warning flow and an extracted steam stop flow for the extracted steam. When the extracted steam flow reaches the warning flow, a warning is issued and after a lapse of a predetermined time period, the stop valve is opened to restrict the extracted steam flow. When the extracted steam flow reaches the extracted steam stop flow, the stop valve is closed to stop steam extraction. A steam turbine plant can thus exercise extraction control to stably supply extracted steam while avoiding turbine trip, even if not equipped with a high-performance and expensive valve device such as an extraction steam control valve.

Abstract: The invention relates to a method for operating a vehicle drive comprising at least one internal combustion engine and at least one electric machine that is mechanically coupled to the internal combustion engine, in addition to an energy accumulator that is actively coupled to the electric machine and/or the internal combustion engine. According to the invention, the internal combustion engine and the electric machine or machines generate a required drive target torque at approximately the same time, a required optimum target torque of the internal combustion engine being limited to an optimized minimum torque lying above a minimum torque of an internal combustion engine or being limited to an optimized maximum torque lying below a maximum torque of an internal combustion engine and/or a modification speed of the optimum target torque of the internal combustion engine.

Abstract: The present invention relates to a propulsion gas exhaust assembly in an aircraft propelled by hot gases produced along the axis of the latter by a gas generator, comprising a duct (21) and a nozzle (24). It is noteworthy by the fact that said duct forms a vertical elbow.

Abstract: The invention relates to a food industry. For provision of a temperature technological regime a unit for after-fermentation and/or storing, and/or transportation, and/or dispense of beer contains a cooling unit being capable to provide cooling of liquid entering a cooling jacket, the cooling jacket is mounted inside a protective housing or disposed outside the protective housing and rigidly connected with it. Il.1 sheet.

Abstract: A heat exchanger assembly for transferring heat across a wall of a housing is disclosed. The assembly comprises an outer heat exchanger having an outer ring disposed outside the housing and having an interior surface in contact with an exterior surface of the wall; an inner support disposed inside the housing and having an exterior surface; and a plurality of inner heat fins connecting the exterior surface of the inner support to an interior surface of the wall of the housing.

Abstract: A ground freezing method and apparatus compensates for geothermal gradients by supplying more refrigerant to deeper parts of the earth. One or more metal freeze pipes are installed in a bore and equipped with one or more feed pipes. The feed pipes extend to different depths with the longer feed pipes being larger to supply more refrigerant to greater depths and achieve uniform top to bottom ground freezing despite the effects of geothermal gradients.

Abstract: Systems and methods for monitoring utility usage for a plurality of units in a building. The system includes a controller and one or more sensing devices in signal communication over existing building thermostat or other control wiring with the controller. The sensing devices sense the state of a thermostat and the air temperature in each of the plurality of units as well as the temperature of utility transport piping leading to each of the plurality of units. The controller records utility usage for each of the plurality of units based on information received from the one or more sensing devices and provides an audit trail to verify delivery of the utility and detect and report faults in the utility delivery system. System faults are transmitted to a user as an audio alert using an electronically recorded human voice.

Abstract: An automatic recharge system (22) is provided for a transcritical cooling system (10). The recharge system (22) includes a refrigerant container (30) capable of storing a refrigerant charge at a higher pressure that can be accommodated on the low pressure side of the cooling system (10), and a control valve (34) connected between an outlet (36) of the container (30) and the low pressure side of the cooling system (10) to automatically control the release of refrigerant form the refrigerant container (30) for circulation in the cooling system (10).

Abstract: A cool air supplying apparatus for a refrigerator is disclosed. The cool air supplying apparatus includes a freezing chamber evaporator that generates cool air supplied to a freezing chamber, a refrigerating chamber evaporator that generates cool air supplied to a refrigerating chamber, a freezing chamber cross flow fan that blows cool air generated by the freezing chamber evaporator toward the freezing chamber, a refrigerating chamber cross flow fan that blows cool air generated by the refrigerating chamber evaporator, and a driving motor that drives the freezing chamber cross flow fan and the refrigerating chamber cross flow fan. With this structure, cool air introduced in the evaporators is substantially uniform, thus enhancing heat exchanging efficiency.

Abstract: An air conditioner includes first and second compressors, an outdoor heat exchanger through which refrigerant discharged from the first and second compressors passes, an outdoor fan for forcedly directing air toward the outdoor heat exchanger, an expansion valve for expanding the refrigerant discharged from the outdoor heat exchanger, an indoor heat exchanger through which the refrigerant expanded in the expansion valve passes, a linear expansion valve for adjust a flow rate of the refrigerant, a load detecting unit for deterring an indoor load, and a control unit for controlling the operation of the first and second compressors in accordance with the detected indoor load. In a state where the second compressor is not driven, the control unit allows the second compressor to drive when a driving start conditioner of the second compressor is satisfied and a driving start retarding time has been elapsed.