Abstract: In accordance with systems and methods of the present disclosure, an apparatus may include a power converter and a controller. The controller may be configured to monitor a voltage at an input of the power converter, cause the power controller to transfer energy from the input to a load at a target current, decrease the target current responsive to determining that the voltage is less than or equal to an undervoltage threshold, and increase the target current responsive to determining that the voltage is greater than or equal to a maximum threshold voltage.

Abstract: A tubular LED bulb includes a circuit board include an AC to DC conversion circuit that provides an output DC current at one of several selectable levels when provided with an AC power source. The DC current is routed through a plurality of LEDs at the selected DC current level. The AC to DC conversion circuit operates responsive to a selection circuit that allows a user to select a level corresponding to a desired light output level. The AC to DC conversion circuit allows the tubular LED bulb to be mounted in a conventional fluorescent light fixture, including a ballast, without regard to polarity. In some embodiments the circuit board can include jumper blocks to allow multiple circuit boards to be connected in tandem.

Abstract: Fluorescent lamp holder assembly 10 comprising a lamp holder 15 and a socket 20. The holder 15 houses one pair of electrical terminals, and includes one pair of openings 30 located at a position corresponding to the position of the electrical terminals. The lamp holder 15 includes one pair of parallel spaced-apart legs 35 with one end connected to the terminal and the free end protruding from the body of the holder 15. The socket 20 has one pair of spaced-apart electrical terminals defining insertion inlets 45. The holder 15 can be coupled to the socket 20 by inserting the legs 35 into the corresponding terminals of the socket 20. The holder assembly 10 further comprises releasable, resiliently biased locking means 60 movable between an opening position, in which holder 15 and socket 20 can be unplugged and a locking position, in which holder 15 and socket 20 are held together.

Abstract: A light emitter with a radiation exit surface including a housing part with a receptacle, at least one organic optoelectronic device, arranged in the receptacle, and at least one cover part joined to the housing part, wherein the device is mounted between the cover part and the housing part.

Abstract: An outdoor area LED lighting system including: a housing containing a large array of LEDs mounted to an aluminum direct thermal path printed circuit board and a single lens. The large array of LEDs are capable of producing light rays directed through the single lens to produce a beam of light to illuminate the outdoor area. The single lens is preferably a Fresnel lens. The housing is preferably capable of being sealed in a weather-tight manner. A second housing may at least partially surround the first housing such that at least one air passage is provided between the first housing and the second housing. A heat sink including a heat block in thermal communication with a plurality of heat tubes and fin assemblies may be in partial thermal contact with the LED module and in fluid communication with the at least one air passage. At least one fan may be provided in or in fluid communication with said at least one air passage to cool the heat sink.

Abstract: A digital reading device with cosmetic function includes a base plate, a lighting panel, a driving unit and a transparent touch panel. The base plate includes a plurality of black units. The lighting panel is disposed on the base plate and includes as plurality of lighting units for emitting a green light. The driving unit is electrically connected to the lighting panel and the base plate, wherein the driving unit is for turning on or turning off each of the lighting units respectively. The transparent touch panel is disposed on the lighting panel for displaying a message composed of the black units. The message may also be white-colored on a green background color with various saturation levels whenever the lighting panel includes a plurality of displaying units, and each of the displaying units consists of two lighting units with complimentary colors.

Abstract: A toilet installation tool for assisting an installer in aligning a toilet mounting hole in a base of a toilet with a closet bolt projecting upward from a bathroom floor includes a sleeve configured to removably mount on the closet bolt in alignment with a vertical axis of the closet bolt, and a light source attached to a top end of the sleeve. The sleeve and the light source are sized to pass through the toilet mounting hole and are removable from the closet bolt after a toilet has been lowered onto the bathroom floor. The invention may be embodied as a kit having two light sources and two or more interchangeable sleeves of different lengths. A method of mounting a toilet on a pair of closet bolts using the toilet installation tool is also disclosed.

Abstract: An eversible candle holder comprises a flexible generally cylindrical body capable of being manipulated between rest and everted configurations, the body having sidewalls extending upwardly from a base. In the rest configuration the central portion of a heat sink is seated on a central pedestal of the base and a horizontal lip extending from a skirt wall depending from the pedestal's central portion is disposed in an inwardly-facing recess in a recessed perimeter portion of the base and is locked in the recess by an overlapping inwardly-extending retaining flange. In an everted configuration, the locking flange is rotated outwardly about an annular hinge section away from the central pedestal opening the recess a sufficient width to release the lip, enabling removal of the heat sink from the base, and facilitating disposal of candle wax accumulated in the bottom of the holder.

Abstract: A water-chamber working apparatus according to the present invention includes a base that holds heat transfer tubes on a tube plate surface and is fixed to the tube plate surface, and a manipulator that is coupled with the base and is suspended in a water chamber. The base includes a base body that is coupled with a manipulator, a wing capable of being displaced forward and backward with respect to the base body, and clamper that are arranged on the wing and are inserted into the heat transfer tube to clamp and hold the heat transfer tube.

Abstract: Provided are a tube sheet of a steam generator installed to support a tube of the steam generator, and a manufacturing method thereof, particularly, a tube sheet of a steam generator having an anticorrosive layer and a manufacturing method thereof.

Abstract: A method of installing an exhaust tube is implemented by inserting an exhaust tube into an exhaust pipe that leads from inside of a building to outside thereof. A support portion of an insertion jig is introduced into a through hole from a side of one end portion of the exhaust tube, and a projection of the support portion is engaged with a recess of the exhaust tube, so that the insertion jig is fixed to the exhaust tube. An end of the exhaust tube on the side of the one end portion having the insertion jig fixed thereto is inserted into the exhaust pipe, and the exhaust tube is pushed from inside of the building to outside thereof.

Abstract: Burner device (2) for an industrial furnace (1) comprising a channel (3) for fuel, a channel (4) for a first oxidant, an outlet (9) for flue gases, a control device (10) and a heat buffer (7), where the first oxidant and the flue gases alternating are led through the heat buffer (7). The invention is characterized in that a separate lancing device (6) is arranged to supply a second oxidant to the burner device (2).

Abstract: A gas boiler and a method of adjusting output of the gas boiler by adjusting mixture ratio of air and gas for combustion in proportion to an output value of the boiler, and continuously changing the mixture regardless of the boiler output. The gas boiler includes a ventilator, a gas valve, a burner, a combustion chamber, a heat exchanger, and an exhaust gas hood. The inlet of the ventilator includes an output adjusting device having an air inlet; an air adjustment valve; a gas outlet; a gas adjustment valve that adjusts the gas passing through the gas outlet; and a valve driving unit that drives the air adjustment valve and the gas adjustment valve. Output of the burner is continuously adjusted by adjusting distance between the air adjustment valve and the gas adjustment valve, and distance between the air inlet and the gas outlet.

Abstract: The invention relates to corona ignition device comprising a housing, an insulator surrounded by the housing, an inner conductor leading through the insulator to an ignition tip, and a coil connected to the inner conductor, the coil comprising an elongate coil former and a winding formed from wire wound onto the coil former, wherein the coil former comprises at least one indentation filled with adhesive, and the wire crosses the indention such that wire portions which are arranged above the indentation are adhesively bonded to the coil former by means of the adhesive arranged in the indentation.

Abstract: The present invention relates to a tile fastening arrangement of a gas-turbine combustion chamber having a combustion chamber wall with tiles fastened to said combustion chamber wall at a distance from the latter, characterized in that the tile is provided with an annular flange arranged on its side assigned to the combustion chamber wall, said flange being dimensioned to match a recess of the combustion chamber wall and fastened to the combustion chamber wall by means of a fastening element which engages in the combustion chamber wall.

Abstract: An air blocker ring assembly includes a proximal end, a distal end, a blocker ring, and a blocker ring support. The blocker ring has a first protrusion, a second protrusion, and a third protrusion. The blocker ring support has a recess. The first protrusion of the blacker ring is received in the recess. The blocker ring is circumferentially discontinuous about a circumferential slot. At least a portion of the first protrusion is located circumferentially opposite the slot, and the second and third protrusions terminate at the slot.

Abstract: A fuel nozzle assembly (10) is presented for a gas turbine engine (12). The fuel nozzle assembly (10) includes a rocket unit (14) and a swirler (16) with an aft end (18) in threaded engagement with a forward end (20) of the rocket unit (14). The fuel nozzle assembly (10) may include an oil tip (36) including a clocking feature with a mechanical constraint to orient the oil tip (36) at a predetermined angular orientation (42) relative to the swirler (16). The fuel nozzle assembly (10) may include one or more gas stage inlets (13, 15), one or more oil stage inlets (17, 19), and a flexible hose (26) to direct the oil to a plurality of rocket units (14).

Abstract: Certain embodiments include a resonator for the head end of a turbine combustor. The resonator is partially defined by first and second plates disposed about a fuel nozzle in the head end of the turbine combustor. The resonator is further configured to receive an air flow which extends through the resonator and into the fuel nozzle.

Abstract: A combustor includes an end cap having upstream and downstream surfaces and a cap shield surrounding the upstream and downstream surfaces. First and second sets of premixer tubes extend from the upstream surface through the downstream surface. A first fuel conduit supplies fuel to the first set of premixer tubes. A casing circumferentially surrounds the cap shield to define an annular passage, and a second fuel conduit supplies fuel through the annular passage to the second set of premixer tubes. A method for supplying fuel to a combustor includes flowing a working fluid through first and second sets of premixer tubes, flowing a first fuel into the first set of premixer tubes, and flowing a second fuel through an annular passage surrounding the end cap and into the second set of premixer tubes.

Abstract: A liner and attachment structure has an exhaust liner for use in a gas turbine engine. At least one hanger has feet secured to the liner. The hanger has an aperture extending at a central web. A flanged washer is received within the opening in the hanger. The flanged washer allows adjustment relative to the hanger. The flanged washer has a spherical recess. A collet has a plurality of part-spherical fingers separated by slots, and are received in the spherical recess of the flanged washer. A member extends into the collet to hold the part-spherical fingers radially outwardly. The member is also utilized to secure static structure, and to secure the liner to the static structure.

Abstract: Cooking appliance having an external control panel equipped with one or more regulating valves, where the rotary regulator organ is equipped with various peripheral openings for supplying a flow Q. For the supply of one or another type of gas, NG or LPG, either the control knob or a bezel disk in the external panel are interchangeable on the appliance, being chosen between two different available units, one and the other permitting two different angular position limits A2, A3 of the regulator organ or the supply of a constant flow Qmin through one or another opening with calibrated sections, respectively for NG or LP gas. An appendix in the control knob guided in a slide groove on the control panel of the appliance, or a tongue on the bezel disk stopping the rotation of the control knob, determines the travel limit A2 for the supply of Qmin of NG.

Abstract: A portable gas heater includes a heater body, a gas burner mounted on a front panel of the heater body, a gas supply arrangement connected between the gas burner inside the heater body and the gas bottle for providing a gas passage including a safety valve, a control button and a connecting tube, a gas bottle positioning arrangement, and a pilot flame arrangement mounted on the heater body near the gas burner and connected to the safety valve through a gas inlet. The pilot flame arrangement includes a thermocouple, a pilot flame unit, and an electrode rod connected to an ignition wire of the safety valve. The pilot flame unit includes a pilot fire nozzle, a mixing tube and a connector connected with each others. The heater is compact, small and light-weighted while ready for immediate use without assembly and disassembly requirements, thereby convenience for indoor and outdoor use.

Abstract: System for attaching the flame igniter electrode to a burner for gas hobs, boilers or the like. The system comprises a deformable seal of substantially annular shape mounted in a groove in the electrode which makes it possible to attach the electrode reversibly to a seat attached to the body of the burner. Attachment takes place through the application of an axial force inserting the electrode into the seat.

Abstract: A home appliance, particularly a gas range including an appliance body, a cooktop on the appliance body, an oven cavity in the body, a gas-operable heating element in the cavity for heating the cavity to a cooking temperature and including a gas mixing pipe having an inlet open to the cavity for intake of gas and air for combustion. A ventilation channel extends through the appliance body intermediate the cooktop and the oven cavity. A fan is in the appliance body, the fan being in fluid communication with the ventilation channel for creating an airstream within the ventilation channel. An air conduit extends between the ventilation channel and the gas mixing pipe, with an air conduit inlet in the airstream and an air conduit outlet adjacent the gas mixing pipe to direct air from the airstream to the gas mixing pipe for combustion with the gas and air.

Abstract: A cooking apparatus includes a cavity unit having a cooking chamber therein; a door on the cavity unit, opening and closing an opening of the cavity unit; a heater in at least one of upper, rear and lower parts of the cavity unit, generating hot air to be supplied to the cooking chamber; a cooking container including a housing unit which has an entrance through which hot air enters, and a support unit on the housing unit and on which one or more cooking objects to be cooked by the hot air are placed; and an agitation unit configured to directly contact the cooking object(s) placed on the cooking container, and mix or turn the cooking object.

Abstract: A heating system includes a flow circuit carrying working fluid at a set flow temperature to a heat emitting section, an electricity driven heat pump having a first heat exchanger, and a fuel fired boiler having a second heat exchanger. The first and second heat exchangers arc connected to the flow circuit to heat the working fluid in succession. A coefficient of performance (COPSet Flow Temperature) of the heat pump and a break even coefficient of performance (BECOP) are determined, and the COPSet Flow Temperature and BECOP compared. The BECOP is electricity price/fuel price*boiler thermal efficiency. If the COPSet Flow temperature is smaller than the BECOP in a first hybrid mode, an intermediate flow temperature is determined, the heat pump is operated to heat the working fluid to the intermediate flow temperature and the boiler is operated to heat the working fluid to the set flow temperature.

Abstract: An endothermic heat pump water heater has a water tank supported atop a hollow base, a heat pump circuit operable to provide primary heat to water in the tank, and an electric resistance heating element operable to provide secondary heat to the water. The heat pump circuit includes refrigerant tubing in which a compressor disposed within the base, a condenser in heat exchange external contact with the tank, a refrigerant expansion device, and an evaporator disposed within the base are connected in series. A vertical duct, external to the tank, has an inlet adjacent the upper tank end, and a fan is operative to sequentially flow air inwardly through the inlet, downwardly through the duct into the base, across the compressor, across the evaporator, and then outwardly from the base.

Abstract: An evaporative humidifier includes a humidifying element having water pockets drawing water up from a tub and then supplying the water to the upper portion of the humidifying element. The water pockets are formed between first and second covers. A first water pocket formation unit is provided on the first cover, a second water pocket formation unit is provided on the second cover, and the first and second water pocket formation units form the water pockets when the first and second covers are coupled. Therefore, the water pockets are formed through molds having a simple structure, as compared to the conventional water pocket, and thus manufacturing costs of the humidifying element assembly are reduced. Further, each water pocket includes plural sub water pockets formed at both sides of an inflow hole formed at the center of each water pocket, and thus carries a large amount of water.

Abstract: A vehicular airflow outlet comprising a plurality of outlet units having an airflow unit, a ball joint, and a connection member; a control knob unit including a control knob coupled to a ball joint; and a connection mechanism configured to couple the ball joint of the each of the outlet units and the ball joint of the control knob unit is provided. The airflow outlet allows for the direction of airflow throughout a vehicle passenger compartment without the use of multiple sets of vanes. The airflow outlet directs airflow through the use of a single control knob. Force applied to the face of the control knob is operable to simultaneously pivot the ball joints of each of the plurality of outlet units and the ball joint of the control knob unit in unison to adjust airflow direction, allowing for the direction of air at a variety of angles.

Abstract: An illuminating airflow panel assembly is configured to provide illumination and allow air to flow therethrough. The illuminating airflow panel assembly may include a mounting bracket configured to secure the illuminating airflow panel assembly to a structure, and a main body connected to the mounting bracket. The main body may include opposed first and second planar surfaces and an outer peripheral edge. The main body may also include a plurality of airflow passages that extend from the first planar surface to the second planar surface. The airflow passages are configured to allow air to pass therethrough toward a target site. An illuminating member may be positioned around the outer peripheral edge of the main body. The illuminating member is configured to direct light toward the target site.

Abstract: A foundation vent includes four panels arranged to form a box-shaped vent frame. Ten frame vanes are attached to the box-shaped frame. A vent shutter having ten shutter vanes with elongated oval-shaped finger grips positioned centrally on the shutter vanes is held in a slider channel positioned on the box-shaped vent frame. The slider channel is formed by a series of six tabs centrally positioned in an opening between two adjacent frame vanes. The vent shutter is held in the slider channel so that it slides with respect to the box-shaped vent frame to selectively expose openings in between the frame vanes. A locking mortar track in provided on all four panels of the box-shaped frame to securely hold it in place. The vent is preferably constructed from polypropylene copolymer that is talc reinforced and sized to evenly course with a standard size brick.

Abstract: A heat exchanger having a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing and a radial direct-firing burner and a blower-driven hot flue gas to heat water. A buffer tank is incorporated within the lumen of the helix coil. At least one rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator.

Abstract: The invention involves a tap water structure for storing and heating tap water. The tap water structure contains storage devices, such as a tap water storage tank, for storing a certain amount of tap water. The storage devices are equipped with a tap water input for adding tap water to the storage devices, as well as a tap water output for removing water from the storage devices. The tap water structure is equipped with heating elements that will warm the tap water stored in the storage devices. The storage devices also include a heat exchanger supply and a heat exchanger return, as well as an additional heat exchanger return; these can all be connected to an external heat exchanger unit. The tap water device includes regulators to return the tap water to the storage devices either via the heat exchanger return and/or via the additional heat exchanger return.

Abstract: This invention relates primarily to an electric heater based tankless water heater, though some aspects may also apply to a natural gas or other fuel based tankless water heater. In particular aspects relating to “smart” communication and coordination of the tankless water heater with other devices, which may be electrically powered or powered by other fuels, may also apply to non-electric flow through fluid heating systems. The subject tankless water heater invention incorporates several aspects relating to energy and construction efficiency which will be detailed further. These include both physical aspects, such as coatings, tubing and heater element design, and electrical aspects, such as power control for individual heater elements, which can make the tankless water heater more compact and more efficient in operation, with reduced instantaneous and long term load on electrical supply systems.

Abstract: In a solar receiver arrangement 300 with a support structure 600, the support structure 600 includes a plurality of tie members 700 for tangentially coupling a plurality of tubes 510, for forming at least one receiver panel 500, in such a manner that the at least one tie member 700 is coupled in at least one crotch portion 520 between a pair of tubes 510. The support structure 600 further includes a plurality of panel support members 800 coupled to the receiver panel 500 selectively in at least one crotch portion 520 between a pair of tubes 510. Furthermore, at least one latching member 900 is configured to detachably attach the plurality of panel support members 800 for engaging the plurality of receiver panels 500.

Abstract: A refrigeration cycle apparatus increases the cooling capacity even under overload conditions in a refrigeration cycle apparatus that uses a refrigerant which undergoes transition to a supercritical state and in which the high-pressure side enters a supercritical state. A refrigeration cycle apparatus adjusts a high-pressure-side pressure of a refrigerant flowing through a main refrigerant circuit by causing a controller to control an opening degree of a second expansion valve and a heat transfer area of a radiator.

Abstract: A thermoelectric refrigeration system including at least one cooling chamber and a thermoelectric heat exchange system. The thermoelectric heat exchange system includes cascaded heat sinks. The cascaded heat sinks include cascaded cold side heat sinks and a hot side heat sink. The cascaded cold side heat sinks include a first cold side heat sink and a second cold side heat sink. The thermoelectric heat exchange system also includes a first plurality of thermoelectric coolers disposed between the first cold side heat sink and the second cold side heat sink and a second plurality of thermoelectric coolers disposed between the second cold side heat sink and the hot side heat sink. Each thermoelectric cooler is a module including multiple thermoelectric devices.

Abstract: A room air conditioner with a liquid-to-air heat exchanging device for the exchange of heat between a liquid and air has a first flow channel for the air and a second flow channel for the liquid, and at least one Peltier element. The heat exchanging device is subdivided into a first stage in which a heat exchange occurs in a passive manner between the liquid and air, and a subsequent second stage in which heat is pumped from the liquid to the air or from the air to the liquid by supplying an electrical current to the at least one Peltier element.

Abstract: A retrofit energy exchange system including a first set of valves for connecting to a first energy transfer sub-system. The system further includes a second set of valves for connecting to a second energy transfer sub-system. In addition, the system includes an energy exchange unit configured to supply excess energy from to the first energy transfer sub-system to the second energy transfer sub-system.

Abstract: Electrical appliance that can be used in industry for cooling or freezing products with maximum speed by selecting the desired temperature or time from a control panel. The gas R410A, when introduced into the compressing motor is responsible for compressing the gas of the circuit passing through the coil. The condenser, the first filter dryer, the capillary tube, the evaporator, the second filter dryer being strategically placed for rearranging the particles and molecules, continuing through the coil until returning to the compressing motor. This set of components becoming a single closed circuit, without the need to be recharged. One or more fans are placed on walls or ceiling of the evaporator for transmitting a cold shock or thermal sensation making use of the cold existing within the evaporator. A second filter can be strategically placed for cooling with maximum speed.

Abstract: An air conditioning device is used in a motor vehicle. The air conditioning device includes air conditioning circuit, which includes a compressor (14), a condenser (11), and/or an internal exchanger, an electric expansion valve (12) which opening ratio is changed according to a control signal, and an evaporator (13), which are traversed in this order by a refrigerant fluid and a control unit (40) capable of controlling a control signal of the expansion valve so as to regulate a control variable relating to the superheating of the evaporator or to the sub-cooling of the condenser (11) according to a chosen regulation rule.

Abstract: An electronic expansion valve is provided, a sleeve is fixed in a main valve cavity of the electronic expansion valve, and a valve core seat is axially movably provided in the sleeve; a circumferential side wall of the sleeve is provided with a sleeve flow passage, and a circumferential side wall of the valve core seat is provided with a valve core seat side hole; and when the refrigerant flows forward, the valve core seat closes the main valve port to disconnect a communication between the sleeve flow passage and the valve core seat side hole, and the refrigerant flows to the valve core valve port through the sleeve flow passage; and when the refrigerant flows reversely, the valve core seat moves upward to open the main valve port to communicate the valve core seat side hole with the sleeve flow passage.

Abstract: A fluid flushing and pressurization apparatus for use with geothermal systems, capable of delivering a reversible high-velocity flow of fluid through a system of buried PE pipe without introducing an overpressure condition or water hammer. The apparatus can be utilized with methods for installing, preparing, flushing, filling, testing, and certifying geothermal heating and cooling systems. A portable pumping and testing apparatus can include a high-volume pump, a high-pressure pump, a flow meter, and pressure sensors in wired or wireless communication with a processor or logic controller such that continuous or periodic monitoring of the system can be recorded. The system can be programmed to operate automatically under computer control such that reversal of the flow through the geothermal system does not shock or damage the equipment or buried piping.

Abstract: Provided is a heat source system that includes two heat source devices connected in series to a heat medium and can be efficiently operated. A heat source system (1) reduces the temperature of chilled water that is guided from a cooling load and has a predetermined return temperature Tr, to a predetermined supply temperature Ts, and supplies the chilled water to the cooling load. The heat source system (1) includes: a second centrifugal chiller (TR2) that reduces the temperature of the chilled water from the return temperature Tr to an intermediate temperature T2; a first centrifugal chiller (TR1) that reduces the temperature of the chilled water that has been reduced to the intermediate temperature T2 by the second centrifugal chiller (TR2), to the supply temperature Ts; and a control unit (9) that variably sets the intermediate temperature T2.

Abstract: A household refrigerator includes an icemaker in the cabinet and an ice storage area on a door. An ice flow passage extends between the icemaker and the ice storage area. A moveable flap is associated with the ice flow passage to cover an opening in the ice flow passage on the cabinet when the door is open. The moveable flap has an equilibrium position wherein the movable flap substantially covers the ice flow passage. A vent in the flap permits air to flow through the ice flow passage to the ice storage area with the movable flap in the equilibrium position. As ice moves through the ice passage from the icemaker towards the ice storage area, the momentum of the moving ice moves the movable flap from the equilibrium position to the dispensing position to permit the ice to flow to the ice storage area.

Abstract: A cooler includes a bottom portion and a top portion. The bottom portion includes a body defining an insulated first compartment. The top portion includes a bottom cover and a top cover. The bottom cover is operable to enclose the first compartment and includes a bottom cover body defining a second compartment. The bottom cover body includes a speaker, a power input, and an auxiliary input, and a top cover operable to enclose the second compartment. The top cover is operable to enclose the second compartment.

Abstract: Provided is a refrigerator. The refrigerator includes a cabinet providing a storage chamber closed by a door, a water supply container disposed at the door or the storage chamber to store water to be supplied to an icemaker or a dispenser, a detachable container connection assembly disposed at an upper side of the water supply container, a housing disposed at the door or the storage chamber so that the container connection assembly can be detachably attached to the housing, and a manipulation unit disposed at the container connection assembly to lock or unlock the container connection assembly attached to the housing. Therefore, the refrigerator can be conveniently used.

Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.

Abstract: Disclosed is a refrigerator, comprising: a refrigerator body having a cooling chamber; a case comprising a case body having therein an accommodation space of which one side is open, and a transformation preventing member formed of a material having a higher strength than that of the case body, the transformation preventing member provided at an open region of the case body and configured to prevent transformation of the case; a drawer accommodated in the case in a withdrawable manner; and a depressurizing device configured to depressurize inside of the drawer and the case to a pressure lower than an atmospheric pressure, when the drawer is accommodated in the case. Under such configuration, transformation of the case can be prevented, and the case can be easily fabricated.

Abstract: An apparatus for storing ice that includes a housing with heat insulation characteristics and a storage space; an ice maker in the housing, which includes an ice tray; an ice bin arranged below the ice maker; a transfer member arranged within the ice bin to discharge ice to the outside of the ice bin; a refrigerating cycle that extends into the housing, and which includes an evaporation unit attached to the outer surface of the ice tray; and a control unit which controls the operation of the refrigerating cycle and of the transfer member. Air in the storage space is cooled by being in contact with the evaporation unit and/or the ice tray, and the control unit operates the refrigerating cycle to cool the storage space when the temperature of the ice tray and/or of the evaporation unit is higher than a preset temperature.