Abstract: A relay connector that is interposed between two substrates provided with mutually connectable connecting parts and that indirectly connects the two substrates, wherein the relay connector is provided with a first connecting part capable of mechanistically connecting to the connecting part of one of the substrates, and a second connecting part capable of mechanistically connecting to the connecting part of the other substrate.

Abstract: A lighting device or a lamp bulb (100, 200) with a smooth appearance comprises at least one light source (101); a heat sink component (104, 204), having a bottom (1043) and a side wall (1044) extending from the bottom (1044), wherein the bottom (1043) comprises a protrusion (1041) and wherein the at least one light source (101) thermally contacts the protrusion (1041) of the heat sink component (104, 204); and a cover provided on the sidewall (1044) opposite to the bottom (1043), thereby defining an air chamber (1051, 2051) between the cover, the side wall (1044), the bottom (1043) and the protrusion (1041).

Abstract: A dustproof and waterproof multipurpose LED-light power source assembly comprises a heat sink, a heat-dispersal fan, a circuit board driver module, an LED light source module, a power-source casing top cover and a power-source casing bottom cover. The LED light source module comprises plural LED chips and an LED heat-dispersing substrate. The heat-dispersal fan is a dustproof and waterproof fan. The heat sink comprises a baseboard to which the LED heat-dispersing substrate is fixedly connected and conducts dispersed heat. At the center of the top of a heat-dispersal member, a space is provided to accommodate the heat-dispersal fan. The power-source casing bottom cover is positioned above the heat-dispersal fan and is fixedly connected to the heat sink. The power-source casing top cover and the power-source casing bottom cover are hermetically connected one to the other. A waterproof bolt assembly is connected to the top of the power-source casing top cover.

Abstract: This disclosure may relate generally to systems, devices, and methods for injecting a solid compound in line with a pressurized fluid, typically through a soot blower, to be delivered to targeted areas on the inside of a utility furnace.

Abstract: A recovery system of waste heat from flue gas. The system includes a first heat exchanger and a second exchanger. The first heat exchanger includes a heat absorption section, a heat release section, and a first pipeline. The second heat exchanger includes a second pipeline including an inlet header and an outlet header. The system further includes a third pipeline. The first heat exchanger is disposed at a relatively high temperature side of a flue, the second heat exchanger is disposed at a relatively low temperature side of the flue, and the first heat exchanger and the second heat exchanger are connected by the third pipeline. The heat absorption section and the heat release section are connected by the first pipeline to form a circulation loop; the heat absorption section is disposed in the flue; the heat release section is disposed in the third pipeline.

Abstract: A method of controlling a water level in a steam drum includes predicting a transient in the steam drum based on plant characteristics including steam flow from the steam drum, drum pressure in the steam drum, and one or both of a gas turbine load and a position of a bypass valve configured to control the steam flow from the steam drum to two or more steam flow conduits. The method further includes generating a sliding setpoint to control the water level based on predicting the transient in the steam drum.

Abstract: A water-cooling U-valve is composed of a downcomer (1), a riser (2), and a return chute (3), which are sequentially connected. An intermediate partition (4) is disposed between the downcomer (1) and the riser (2), the lower parts of the downcomer (1) and the riser (2) are interconnected. A material returning partition (5) is disposed between the riser (2) and the return chute (3), the upper parts of the riser (2) and the return chute (3) are interconnected. The casing of U-valve comprises membrane walls, the inside of the membrane walls are laid with refractory. Some water-cooling tubes of the membrane walls extend into the inside of the U-valve, forming the water cooing intermediate partition (4) and material returning partition (5). The headers (40, 50) are connected with the headers (33, 13) formed by some water-cooling tubes of membrane walls by connecting tubes (7, 8).

Abstract: A modular wick holder includes a first wick holder assembly and a second wick holder assembly joined together. The first and second wick holder assemblies are disposed symmetrical to each other. The first wick holder assembly includes a first projection, and the second wick holder assembly includes a second projection opposite and corresponding to the first projection. The first and second projections delimit a space therebetween. When the modular wick holder combines with a wick, the wick is securely held by the space. At least one adjusting member inserts through the first and second wick holder assemblies and is operable to move the first and second projections closer and to have the space include a reduced size.

Abstract: Gas burner for oven, or grill, of the type comprising at least one Venturi tube (16), for forming the fuel mixture of primary air-gas, having at least one zone with a reduced section followed by a zone with a diverging section, at least one distribution chamber (17) of the fuel mixture, placed downstream the zone with a diverging section of the Venturi tube (16), and a plurality of flame openings (19) for the outflow of the fuel mixture, obtained within such a distribution chamber (17), or in fluidic communication with the latter, as well at least one ignition hole (13) for igniting the burner. Advantageously the latter comprises at least one diversion duct (12) for part of the flow of the fuel mixture, exhibiting its own inlet section obtained in a sector downstream the zone with a reduced section of the Venturi tube (16), and its own outlet section placed at the afore said ignition hole (13).

Abstract: A boiler operating method operates a boiler by switching between air combustion mode and oxygen combustion mode when burning fossil fuel with first combustion gas and second combustion gas. The second combustion gas compensates for oxygen deficiency in the first combustion gas. The air combustion mode uses air as the first combustion gas and the second combustion gas while the oxygen combustion mode uses mixed gas of combustion flue gas and oxygen-rich gas as the first combustion gas and the second combustion gas, the combustion flue gas being produced when the fossil fuel is burned. By mixing the oxygen-rich gas in the air in the process of switching between air combustion mode and oxygen combustion mode, the air being the first combustion gas used in the air combustion mode, the boiler operating method can switch between the air combustion mode and oxygen combustion mode while maintaining stable combustion.

Abstract: A method supplies reactants, including fuel gas, to burners that discharge the reactants into a furnace process chamber. In a stable flame mode of operation, stable flames are projected from the burners into the furnace process chamber. At a time when the furnace process chamber has a temperature at or above an autoignition temperature of the fuel gas, a diffuse combustion mode is initiated by supplying a selected burner with additional reactants, including reactants diverted from another burner, to blow off the stable flame at the selected burner.

Abstract: The present invention provides a method of testing gas supply of a gas appliance, which includes the steps of: monitoring a flow rate of a gas flow through a gas regulator of a pipeline to have a detected gas flow rate; comparing the detected gas flow rate with the ideal range of gas flow rate; and providing an alarm when the detected gas flow rate exceeds the ideal range of gas flow rate. The present invention further provides a compensating method when an abnormal condition is detected. The compensating method will change the gas flow rate or the air flow rate to get a proper air fuel ratio of the mixed gas.

Abstract: A combustion chamber louver assembly includes an aft louver having a forward panel 24 that extends axially from a louver leading edge 26 to a corner 28, and a forward louver joined to the forward panel of the aft louver. A lip 48 defined by a portion of the forward louver that extends axially past the corner to a louver trailing edge 36 includes circumferentially distributed trailing edge slots 60 extending forwardly from the trailing edge a nominal distance equal to about 88% to 95% of the length L of the lip.

Abstract: A combustion system uses a fuel nozzle with an inner wall having a fuel inlet in fluid communication with a fuel outlet in a fuel cartridge. The inner wall defines a mounting location for inserting the fuel cartridge. A pair of annular lip seals around the cartridge outer wall on both sides of the fuel outlet seals the fuel passage between the fuel inlet and the fuel outlet.

Abstract: A variable secondary air intake device has a baffle member adapted to be attached within an upper area of a fire chamber of the firebox. The baffle member includes a top having a channel member hole therethrough, side walls, a bottom having a plurality of small holes therethrough, and a gas exit opening having side walls and extending through the top and bottom. A hollow chamber member adapted to be placed upon a top surface of the baffle member, the hollow chamber member includes a top having a channel member hole therethrough, and side walls extending downward from the top and forming a chamber having a periphery that includes a plurality of gas exit holes therethrough.

Abstract: A domestic cooking appliance having a gas burner and a control panel assembly is provided. The assembly includes a control panel cover having an alignment pin and an opening; a gas switch having a protruding portion that extends through the opening in the control panel cover when the control panel assembly is in an assembled position; a gas manifold for delivering gas to the gas switch, the gas switch being positionally fixed relative to the gas manifold; a mounting bracket positionally fixed relative to the gas manifold, the mounting bracket having a mounting portion attached to the appliance, a positioning surface that supports the control panel cover, and a hole in the positioning surface that receives the alignment pin. The hole is positionally fixed relative to the protruding portion of the gas switch when the control panel assembly is in the assembled position.

Abstract: A system is provided to automatically detect and reignite one or more gas burners on a cooktop appliance. Upon determining the absence of a flame at a gas burner, a time period ?td is allowed to elapse during which no flame is detected before sparking is initiated to relight the burner. The value of ?td is based upon the rate of flow of gaseous fuel to the burner with longer time periods being used for lower gas flow rates and shorter time periods being used for higher gas flow rates.

Abstract: A function indicator system for displaying the control settings related to functions and features of an electric fireplace. The function indicator system can feature a function indicator module, a controller communicatively connected to the function indicator module, and a power source electrically connected to the function indicator module. The function indicator module can contain a plurality of light sources that emit paths of light, which can pass through control status indicia to create a visual display on an exterior surface of a projection screen of the electric fireplace. The visual display is visible to a viewer so as to alert the viewer as to the particular status of a control setting of the electric fireplace such as, for example, the temperature of heat produced, the brightness of simulated flames, or the length of time that the user desires for the electric fireplace to operate prior to automatic shutdown.

Abstract: An adjustable oven having a floor and heating element that can be adjusted from a lower position to an upper position forming a smaller cooking space. An oven door has grooves to accommodate an adjustable oven floor, and a handle extending perpendicular to the face of the oven the door, and along the plane of the side wall, for opening the door in which one hand may be used.

Abstract: Oven appliances and methods for operating oven appliances are provided. A method includes determining if a cooktop burner is active during operation of a cooking chamber self-clean cycle. The method further includes deactivating the self-clean cycle if the cooktop burner is active, and continuing the self-clean cycle if the cooktop burner is not active.

Abstract: A hot water storage unit 100 having a vessel 102, in which hot water is storable, an outer casing 104 enclosing the vessel 102, a hot water outlet 114 for heated water to exit from inside the vessel 102, and a relief device 106. The relief device 106 relieves excess pressure and/or temperature from inside the vessel 102 by allowing water to escape from inside the vessel 102 and exit from the relief device 106. The relief device 106 comprises a housing 108 containing the operational components of the relief device 106. The relief device 106 is removably retainable relative to the vessel 102 such that the housing 108 of the relief device 106 is located substantially behind the outer casing 104 of the hot water storage unit 100 on the inner side 122 of the outer casing 104.

Abstract: An air conditioning system includes an exterior housing, and a motor having fan blades rotatably coupled thereto located within the exterior housing. The air conditioning system further includes a controller coupled to the motor and configured to, based upon climate conditions proximate the exterior housing, alternate between an ON cycle during which the fan blades are rotated and an OFF cycle during which the fan blades are not rotated.

Abstract: The solar powered evaporative air conditioning system is especially adapted for use in areas wherein the climate conditions are hot and dry. A tunnel-shaped, light weight, inflatable structure is employed to enclose a space to be cooled, the space having a floor or ground area enclosed by the structure. Solar panels are disposed on the roof of the structure to generate electrical energy to power the air conditioning system. The inflatable structure is designed with a roof having a hyperbolic paraboloidal configuration such that a narrow cross-sectional area or throat area is formed between the roof and ground.

Abstract: Building cooling system involving circulation of a cooling liquid in a hydraulic circuit comprising at least one first tank (2), at least one second tank (4) in which at least part of one of its walls (4.1) are made of a porous material and at least one heat exchanger (6) connected in series through a hydraulic circuit, at least one hydraulic pump (8) placed between the first tank (2) and the heat exchanger (6), in which the second tank (4) is located outside the building, in which in which the system comprises means (10) of controlling circulation of liquid from the second tank (4) to the first tank (2), and when the system is in operation to cool the inside of the building, flow from the second tank (4) to the first tank (2) is interrupted and the hydraulic pump (8) circulates the liquid from the first tank (2) to the second tank through the heat exchanger (6), such that the second tank fills up.

Abstract: The present invention discloses a heater with a humidifying device. The humidifying device includes a water container, a cotton rod, a fixing knob, an atomization plate, a hollow pipe, and a fog output box. Through the cotton rod, water is sent to the atomization plate to directly generate atomized particles. The heater is combined with an air purifying device, the humidifying device, and a heating device to provide multiple functions. An air outlet outputs warm wind, humidified air and purified air, so the user can feel fresh but not dry warm wind.

Abstract: The present invention relates to an unpowered room humidifier utilizing mechanically blowing air from a register, wherein water is wicked into a plurality of absorbent cloths draped over a plurality of beams and results in increased humidity as the air leaves the humidifier.

Abstract: The invention relates to a structure of a multi-storey computer center building, which is suitable for accommodating a multiplicity of racks, each of which has storage space for computer hardware. The building has a first cooling circuit in order to dissipate heat generated by the computer hardware and the first cooling circuit is designed to supply at least some of the racks with a coolant. The first cooling circuit is also designed to remove the heated coolant from at least some of the racks. And, the racks have heat exchanger devices, which are suitable for transferring the generated heat to the coolant.

Abstract: Methods and devices for controlling a heating, ventilation, and air conditioning (HVAC) system by a thermostat are provided. Input can be received from a user via a thermostat, the input being indicative of an adjustment of an HVAC-related setting. On a real-time basis, the HVAC-related setting that is being adjusted can be compared against a feedback criterion designed to indicate a circumstance under which feedback is to be presented to the user. The circumstance can be indicative of an achievement of a HVAC-related setting of a predetermined responsibility level with respect to an energy usage of the HVAC system. Upon a real-time determination that the feedback criterion is satisfied, visual feedback can be caused to be presented to the user in real-time. The real-time feedback can include a visual icon having a visual appeal corresponding to a desirability of the satisfaction of the feedback criterion.

Abstract: An insulated HVAC duct component such as a transition box includes a first insulation layer and a second, different insulation layer. The transition box includes at least four sidewalls and one of a top and a back wall, the transition box further including a first access port and a second access port, the first access port having a different cross section than the second access port, one of the access ports being spaced from a nearest sidewall by less than 2 inches. The first insulation layer is located along an inside surface of the box. The second different insulation layer overlies the first insulation layer, the second different insulation layer having an air impervious surface, wherein the combined thickness of the first insulation layer and the second different insulation layer is less than 2 inches.

Abstract: The ceiling mounted ventilation fan with illumination employs a configuration in which a second opening for guiding light from an illumination unit into the room is formed in a lower part of a main housing and in which a air inlet on a fan casing of a fan unit is provided so as to open toward upper part of the main housing. Thus the air inlet of the fan unit opens in a direction opposite to the second opening communicating with inside of the room. As a result, sounds such as operation noises from the fan unit that are transmitted to outside of the fan unit chiefly through the air inlet can be made to resist being transmitted through the second opening into the room, so that the noises can be reduced.

Abstract: A water separator and system includes a compressed air aftercooler and water/moisture separator with a demister core comprising a plurality of offset fins. In one embodiment, the compressed air aftercooler comprises a compressed air core having an aftercooler inlet, an aftercooler outlet at the bottom of the compressed air core, and one or more heat transfer passages. In one aspect, the system comprises a moisture separator substantially integral to the aftercooler. In another aspect, the system includes a first generally horizontal region beneath and adjacent to the aftercooler outlet; and an expansion zone adjacent to and in fluid communication with the first region, the expansion zone being configured to reduce the horizontal velocity of compressed air passing therethrough. In another aspect, the demister core is in fluid communication with the expansion zone.

Abstract: The invention relates to a device that includes means for conveying or producing hot gases and a condensing heat exchanger including: an bundle of helical tubes serving as primary exchanger, mounted within a gas-impermeable housing and equipped with a gas discharge trunk, means for circulating a primary fluid in the primary exchanger, two deflector plates and a deflecting ring arranged so as to circulate the hot gasses through the coils of the primary exchanger. Said device is characterized in that it includes a second tube bundle serving as a secondary exchanger, means for circulating therein a secondary fluid separate from the primary fluid and in that the second deflector plate is inserted between the primary exchanger and the secondary exchanger. The invention can be used in the production of heating water and of hot water for sanitation.

Abstract: A modular and portable motorized solar concentrator assembly for production of ethanol, electricity, potable water, or combinations thereof can include a housing and a reflective array. An airtight chamber is formed in the reflective array, and ancillary reflective concentrators can provide addition solar radiation thereto. An inert gas in the airtight chamber can form a low-humidity and air-free environment. The portable motorized solar concentrator assembly can engage an electricity producing plant, a desalination plant, an ethanol producing plant, or combinations thereof.

Abstract: The present invention relates to concentrating solar-power systems and, more particularly, beam-forming concentrating solar thermal array power systems. A solar thermal array power system is provided, including a plurality of solar concentrators arranged in pods. Each solar concentrator includes a solar collector, one or more beam-forming elements, and one or more beam-steering elements. The solar collector is dimensioned to collect and divert incoming rays of sunlight. The beam-forming elements intercept the diverted rays of sunlight, and are shaped to concentrate the rays of sunlight into a beam. The steering elements are shaped, dimensioned, positioned, and/or oriented to deflect the beam toward a beam output path. The beams from the concentrators are converted to heat at a receiver, and the heat may be temporarily stored or directly used to generate electricity.

Abstract: A method to control a cooling circuit, with the cooling circuit comprising at least three evaporators, which are fluid connected to the cooling circuit in a parallel connection in individual paths, with each of the paths containing one shut-off valve, through which the flow of the refrigerant, which is circulating through the specific path, can be metered or cut off, where the shut-off valves can be activated or deactivated individually, with the individual evaporators being operative when the shut-off valve located within the specific path of the individual evaporator permits fluid flow, where a maximum of two of the at least three evaporators are operative simultaneously.

Abstract: The invention relates to a refrigeration circuit having a mono- or multi-component refrigerant circulating therein, said refrigeration circuit comprising, in the direction of flow, a condenser, a collecting container, a relief device connected upstream of an evaporator, an evaporator and a compressor unit with single-stage compression. According to the invention, there is an intermediate relief device arranged between the condenser and the collecting container. Furthermore, there is disclosed a method of operating a refrigeration device in which pressure relief of the refrigerant to an (intermediate) pressure of 5 to 40 bar is effected in the intermediate relief device arranged between the condenser and the collecting container.

Abstract: Disclosed herein is an autonomous induction heat exchange method using a pressure difference caused by heat exchange in a single pipeline. In addition, the present invention relates to a gas compressor and a heat pump using the method. The present invention does not require a separate drive device. Therefore, occurrence of vibration or noise can be fundamentally prevented. Consumption of power for compressing gas or heat exchange can be minimized. Furthermore, gas circulates in an autonomous induction manner using a pressure difference. Thus, the length, size and structural shape of a gas compressor or a heat pump can be modified in a variety of ways. Thereby, the present invention can be easily used in different kinds of apparatus and systems and can be easily applied to small heat exchange modules using micro-channels as well as large heat exchange systems.

Abstract: A heat generator (10) which comprises magnetocaloric elements (2) that are arranged in a circle about a central axis. A magnetic arrangement (3) of alternating magnetized and non-magnetized zones (4, 5), that is located within the circle formed by the magnetocaloric elements (2), is rotatable around the central axis and co-operates with a field closing device (6) to loop magnetic flux generated by the magnetic arrangement (3) and alternately subject the magnetocaloric elements (2) to a magnetic field variation and create, alternately in each magnetocaloric element (2), heating and cooling cycles, in synchronization with the circulation of heat transfer fluid which flows through the magnetocaloric elements (2) during the heating and cooling cycles. The field closing device (6) comprises a heat insulation (9).

Abstract: A thermoelectric generator includes a thermoelectric module and a micro heat exchanger. The thermoelectric module includes p- and n-conducting thermoelectric material pieces which are alternately connected to one another via electrically conductive contacts. The thermoelectric module is thermally conductively connected to a micro heat exchanger. The micro heat exchanger includes a plurality of continuous channels having a diameter of at most 1 mm, through which a fluid heat exchanger medium can flow.

Abstract: An air-conditioning apparatus in which a heat source unit and a relay unit are connected by two pipings, and in which a hot water supply function can be readily added. The relay unit includes a connection circuit between a first branching unit and a second connecting piping that is capable of connecting a water heat exchanger that exchanges heat between a refrigerant and water.

Abstract: The present invention relates to a refrigeration facility and a method for maintaining the temperature of an isothermal enclosure (3) including: a refrigerating unit (5) comprising a compressor (7) driven by a heat engine (8) and an evaporator (13); and a thermochemical cooling system (15) including a vessel (23) containing a liquefied gas capable, after evaporation, of combining with a reactive product, consisting of a mixture of a reactive salt and natural expanded graphite, contained in a reactor (17), the reaction product obtained being capable of being regenerated by a heating means, said cooling system including an evaporator (25) and a condenser (21).

Abstract: In a cogeneration system 1 configured to supply electricity and heat with a gas engine 5 as an engine and including a thermally driven heat pump 3 and a thermally-driven-heat-pump assisted electric heat pump 4 as an electrically driven heat pump, a controller 44 as an operation controller configured to perform a power control in such a manner that generated electricity e of the gas engine 5 becomes equal to balance electricity eb as the sum of required electricity De2 for driving a thermally-driven-heat-pump assisted electrically driven heat pump 4 configured to compensate heat demand Dh of the cogeneration system 1 and electricity demand De1 of the cogeneration system 1, is provided.

Abstract: A device for cool drying a gas in the direction of flow of the coolant includes a closed cooling circuit with successively a compressor, a condenser and an expansion device and an evaporator that is the primary part of a heat exchanger and that has a secondary part through which the gas to be dried is guided. A bypass pipe in the cooling circuit can be closed by a bypass valve with a valve element and a pressure-sensitive element acting on it that is exposed to a local control pressure in the cooling circuit. A control pressure pipe connects the pressure sensitive element to the closed cooling circuit upstream of the outlet of the evaporator.

Abstract: A part replacement method replaces a part of a refrigeration cycle apparatus including a compressor, a heat source side heat exchanger, an expansion device, a heat exchanger related to heat medium, and first and second refrigerant flow closing devices. The first and second refrigerant flow closing devices control a flow of a refrigerant into and out of an outdoor unit accommodating the compressor and the heat source side heat exchanger. The method includes a pump-down step of closing the first refrigerant flow closing device, allowing the refrigerant in a pressure reduction section to flow into the outdoor unit and reducing a pressure in the reduction section until a set pressure or time is reached, a flow closing step of closing the second refrigerant flow closing device, and a part replacement step of removing the part from the refrigerant circuit by heating to replace the part.

Abstract: To obtain a multiple-unit air conditioning apparatus capable of detecting, when improper wire connections are made, improper wiring and eliminating an improper wiring state without performing a re-wiring work. When an operation command for an indoor unit Y, received from indoor unit control means 15, does not match a refrigerant circuit of an indoor unit Y whose refrigerant circulation is controlled by outdoor unit control means 14, operation patterns are extracted on the basis of the number of operating indoor units Y. A refrigerant circuit in which a refrigerant is circulated is switched in accordance with the operation patterns. Each wire 18 connected to the indoor unit control means 15 of each indoor unit Y is associated with each refrigerant circuit controlled by the outdoor unit control means 14, and recognition of wire connections is changed.

Abstract: A method including determining whether an OFF criterion is satisfied for a lag compressor of a tandem set of scroll compressors. The tandem set of scroll compressors includes a lead compressor. The method further includes: initiating at least one process when the OFF criterion is satisfied; and maintaining the lag compressor in an ON state for a predetermined period subsequent to the OFF criterion being satisfied. The at least one process includes at least one of: operating the lead compressor at a maximum level; overriding a motor overload protection method, wherein the motor overload protection method protects motors of the lead compressor and the lag compressor; and overriding a proportional integral derivative (PID) method to reduce a speed of a condenser fan. The PID method controls the speed of the condenser fan. A system including the lag compressor module and the lead compressor module.

Abstract: A system and method for monitoring a floodback condition includes a compressor connected to a condenser, a discharge sensor that outputs a discharge temperature signal corresponding to a discharge temperature, and a control module connected to the discharge sensor. The control module receives compressor power data or compressor current data, determines a saturated condensing temperature based on the compressor power data or compressor current data, calculates a discharge superheat temperature based on the saturated condensing temperature and the discharge temperature, monitors a floodback condition of the compressor by comparing the discharge superheat temperature with a threshold, and, when the discharge superheat temperature is less than or equal to the threshold, increases the speed of the compressor or decreases an opening of an expansion valve associated with the compressor.

Abstract: A drive controller for a motor of a compressor includes a drive circuit that applies voltages to windings of the motor. A speed control module controls the drive circuit to rotate the motor at a requested speed. A speed determination module generates the requested speed based on a speed demand from a system controller. A lost rotor control module identifies a lost rotor condition and, in response to identifying the lost rotor condition, instructs the speed determination module to set the requested speed to an override speed that is lower than the speed demand. The lost rotor control module identifies the lost rotor condition in response to a comparison of a speed error with an adaptive threshold. The speed error is based on a difference between requested and estimated speeds of the motor. During first and second system states, the adaptive threshold is set to first and second thresholds, respectively.

Abstract: An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.

Abstract: The invention discloses an industrial shell and tube heat exchanger for providing freezing or chilling of brine to produce slurry ice, which includes a shell and tube heat exchanger located in a horizontal position and which includes at least one tube within the shell and tube heat exchanger; and at least one rotatable spiral driven in at least the one tube, and which is adapted to move or pump the brine and slurry ice through the respective tube to ensure individual supply of brine for the production of slurry ice.