Abstract: Use of an inert gas in a fluid-operated heat exchange system. A cooling loop of a heat exchange system is purged with an inert gas to remove oxygen from the cooling loop. Coolant is added to the cooling loop of the heat exchange system. The coolant flows in the cooling loop of the heat exchange system to mix the inert gas with the coolant to provide a solution having a reduced concentration of oxygen.

Abstract: A food dispensing machine includes a product chamber with a dispensing valve connected to the product chamber and having an outlet through which a product contained in the product chamber is dispensed. The product chamber has a cleaning solution inlet connectable to a cleaning solution supply source for receiving cleaning solution into the product chamber. The product chamber further has an ingredient inlet alternatively connectable to either an ingredient supply source or the dispensing valve outlet. When the ingredient inlet is connected to the dispensing valve outlet, a re-circulating flow path is created, allowing for complete cleaning and sanitizing of the product flow path.

Abstract: An apparatus for producing flake ice from a liquid is, and a process for cleaning an apparatus for producing flake ice are disclosed. The apparatus is equipped with a rotatably disposed evaporator roller, a shaft on the evaporator roller, the shaft transmitting a torque from a drive unit to the evaporator roller, with a scraper to remove ice formed from the liquid on the surface of the evaporator roller, with a pan to receive the liquid, in which pan the evaporator roller is at least partially immersed, and with a cleaning device to effect cleaning, descaling, and/or disinfection. The cleaning device includes at least one supply inlet for a cleaning liquid discharging into the pan, and one circulation device that circulates the cleaning liquid in the pan and creates a flow on the part of the cleaning liquid in the pan.

Abstract: A method for decontaminating air in an ice making machine, comprising: controlling the level of ozone outputted from an ozone generator by modulating the voltage using pulse width modulation; and contacting the air with the ozone.

Abstract: A system is provided for cleaning out a drain line for an air conditioning unit. The system has an access member that can be installed and remain in the drain line. The access unit provides access to the drain line to allow a fluid to move in at least one direction to remove the debris and liquids from the drain line to prevent maintenance issues with the air conditioning unit. A connecting member is used with the access member to move the debris either down the drain line or out of the air conditioning unit.

Abstract: A food dispensing machine includes a product chamber with a dispensing valve connected to the product chamber and having an outlet through which a product contained in the product chamber is dispensed. The product chamber has a cleaning solution inlet connectable to a cleaning solution supply source for receiving cleaning solution into the product chamber. The product chamber further has an ingredient inlet alternatively connectable to either an ingredient supply source or the dispensing valve outlet. When the ingredient inlet is connected to the dispensing valve outlet, a re-circulating flow path is created, allowing for complete cleaning and sanitizing of the product flow path.

Abstract: In an air conditioner having a main body provided with a panel 1 including a front panel 1a and a top panel 1b, the main body incorporating an air passage connecting an air inlet 2 and an air outlet 3, an air filter 4, a heat exchanger 5, a blower fan 6, and a dedusting device 7 attached to the front face of the air filter 4 which is reciprocated along the surface of the air filter 4, the top panel 1b is opened/closed as the dedusting device 7 is reciprocated.

Abstract: An evaporative heat transfer system is disclosed wherein a portion of a heat transfer fluid is evaporated and a remainder of the heat transfer fluid is collected in a sump. A characteristic of the heat transfer fluid is monitored. A first fluid input system and a second fluid input system are provided. The first fluid input system provides a first heat transfer fluid to the evaporative heat transfer system. The second fluid input system provides a second heat transfer fluid to the evaporative heat transfer system.

Abstract: A method for altering an initiation time of an apparatus sanitation cycle based upon a base line flow rate. The method may include determining an actual flow rate through the apparatus, comparing the actual flow rate to the base line flow rate, and delaying the initiation time of the apparatus sanitation cycle if the actual flow rate exceeds the base line flow rate.

Abstract: An air conditioner includes: a constituent part in which dusts taken into an indoor device (1) from the room air are accumulated; and a cleaning device (20) which sucks in the dusts from the constituent part. The cleaning device (20) includes: a fan (22) having a plurality of blades and rotating; a housing (21) containing the fan (22) and having an intake opening (21a) and an exhaust opening (21c); and an intake channel (25) having an intake opening facing the constituent part and connected to the intake opening (21a). An air current is introduced into the housing (21) from the intake opening (21a) along the rotation surface of the blades (23). The blades (23) have end brims (21b) of the upstream side of the air current introduced from the intake opening (21a).

Abstract: The present application provides a microchannel coil assembly. The microchannel coil assembly may include a frame, a number of microchannel coils positioned within the frame, and a microchannel coil spray system positioned about the frame and the number of microchannel coils.

Abstract: The invention relates to a food product dispenser that includes a food delivery mechanism and a cleansing mechanism. The food delivery mechanism includes a food source, a food conduit associated with the food source for receiving a food component therefrom, and a dispensing mechanism configured to dispense servings of the food component from the conduit. The cleansing mechanism includes a cleansing conduit associated with the food delivery mechanism to direct a cleansing fluid along a fluid path in cleansing association with the food delivery mechanism under conditions for performing a cleansing operation on the food delivery mechanism. A controller can be provided for automatically conducting cleansing operations based on predetermined conditions. The controller, delivery mechanism and cleansing mechanism can be configured to switch between the dispensing of the servings and the cleansing operation at a plurality of intervals during a day without substantial intervention from an operator.

Abstract: An objective of the invention is to obtain a structure which allows a cleaning mechanism, such as dust removal means, for an air filter to be easily mounted in an indoor unit of an air conditioner that has an air filter on the intake side of an indoor fan. The indoor unit is constituted by a main unit (10) including an indoor heat exchanger (22) and an indoor fan (21) for blowing air taken from a room to the indoor heat exchanger (22), a cleaning unit (100) located on the room side of the main unit (10) and including an air filter (30) and dust removal means (50) for removing dust captured by the air filter (30), and an indoor panel (11) for covering the room side of the cleaning unit (100).

Abstract: Disclosed is an indoor unit having a dust storage container in which dust removed from an air filter is stored, and a dust collecting box into which the dust in the dust storage container is transferred by utilizing an effect of blown air. The dust storage container is provided with a full condition detection means for detecting a dust full condition of the dust collecting box. The full condition detection means includes an LED and a phototransistor which are opposed to each other with a storage portion interposed therebetween. After a dust transfer operation which transfers the dust from the dust storage container to the dust collecting box, an intensity of light of the LED that has passed through the storage portion is detected by the phototransistor. If the detected light intensity is equal to or less than a set value, a full condition of the dust collecting box is detected.

Abstract: The filter 3 is extruded to the outside of the casing of the air conditioner along the inner side of an open panel 15 which is provided at the front surface side of an air intake grill 14 and opened/closed at the time of the operation of the air conditioner.

Abstract: A refrigeration unit draining system for receiving and directing liquid used to clean a refrigeration unit to a desired disposal area includes a plurality of collectors. Each of the collectors is coupled to a refrigeration unit. Each of the collectors collects liquid introduced into the refrigeration unit and directs the liquid to a desired disposal area. The plurality of collectors includes a pair of inlet collectors. One of the inlet collectors is positioned over an inlet of a condenser housing and the other of the inlet collectors is positioned over an inlet of an evaporator housing. The plurality of collectors includes a pair of outlet collectors. One of the outlet collectors is positioned adjacent an outlet of the condenser housing and the other of the outlet collectors is positioned adjacent an outlet of the evaporator housing.

Abstract: An improved method and apparatus to prevent clogging of condensate drain lines with a biocide delivery system that prevents the growth of bioorganic growth in the liquid trap using time release biocide tablets or liquid biocide. When using solid biocide tablets erosion and dissolution of the tables is reduced. When using liquid biocides, combination of initial release followed by gradual release of residual liquid biocide in the drain water is attainable. Drain line are promoted from clogging while being installed anywhere on the drain line upstream of the liquid trap. The apparatus can also be incorporated with a liquid trap, allowing placement anywhere in the drain line.

Abstract: A system for use in creating form-moulded items of edible ice from a mass of ice is provided, the system comprising mould boxes arranged in a circle, wherein a first opening is formed between two neighbouring mould boxes for extraction of one or more created items of edible ice from moulds formed between said two neighbouring mould boxes. An index control is arranged to move the first opening by performing an angular rotation of one of the mould boxes, so that it is moved into the first opening, thereby closing the same, while the neighbouring mould boxes with items of ice in the moulds there between are not moved. Thereby, a new opening for extraction of completed items of edible ice is formed. Thus, it is achieved that the mould boxes do not need to be movable with respect to each other during formation of the first opening.

Abstract: This invention relates to a declogging device (9) and declogging method used to declog and clean the precipitation of metal dusts, compressor oil and the foreign matters in the refrigeration cycle (1) in a refrigerator.

Abstract: A batch freezer for frozen food products comprises—a freezing cylinder,—a dasher designed to propel the product toward a discharge port of the cylinder, and—a refrigeration unit arranged for cooling the cylinder, wherein the discharge port can be selectively connected to a cleaning pipe leading from the discharge port into the casing of the batch freezer.

Abstract: It is provided a system for cleaning a blower and an air inlet filter of an air condition unit using condensed water. The system includes a reservoir for condensed water, a first sub-system for facilitating flowing pressurized liquid in a duct having spraying outlets, and a second sub-system for removal of sprayed liquid out of the air condition unit. The cleaning liquid includes condensed water and a cleaning additive. The air inlet filter may rotate on a pair of pulleys, and the filter is exposed to the sprayed liquid by rotating a pulley while spraying. The system includes barriers disposable in a separating position between the cleaned parts and other objects. The system also includes a manipulating handle or an electric motor, for placing the barrier. Electrical circuitry may automatically initiate cleaning the parts on turning-off the air condition unit. The system include a chamber for a cleaning additive and a mixing mechanism for mixing the cleaning additive with the condensed water.

Abstract: The invention pertains to a method and apparatus for removing ice layers and/or snow layers and/or dirt layers from the rotor blades of axial fans in cooling installations for refrigerating and/or freezing products. At least one cleaning substance jet is directed toward the rotor blades of an axial fan within certain time intervals in such a way that ice layers and/or snow layers and/or dirt layers are at least separated from the surfaces of the rotor blades and transported away, wherein the rotor blades rotate with nominal speed while cleaning jets act upon their surfaces.

Abstract: An auto-cleaning device for an indoor air conditioner includes an indoor air conditioner, a cleaning box and a detergent tank. The indoor air conditioner includes a main base having an air entry and an air exit. A heat exchanger and at least one fan are set under the main base. A filter is put in the air entry. The cleaning box assembled under the indoor air conditioner has an overflow exit, a water exit, and a fan motor to drive the at least one fan. The detergent tank is connected with the indoor air conditioner, containing a detergent solution. In using, let the detergent solution flow into the cleaning box and then, start the fan motor to turn around the at least one fan to make the solution swirled to automatically carry out washing, quickly diminishing bacteria, dirt and smell. The waste solution is finally drained from the water exit.

Abstract: Air cleaner including a case having an inlet and an outlet, a fan inside of the case, for drawing air through the inlet and discharging the air through the outlet, a filter assembly inside of the case for cleaning the air drawn into the case through the inlet, a heat exchanger inside of the case for heating or cooling the air drawn into the case, selectively, and a plurality of fins between the fan and the outlet for guiding the air drawn into the case to the outlet, thereby ventilating the room.

Abstract: A cleaning system for an air conditioner injects a biocide followed at regular intervals, which may be followed by a rinsing flush.

Abstract: A gravity-assisted water saving system, and method of use, utilized for collecting condensate from air conditioning and other condensate-producing systems, sanitizing it, and then diverting it for constructive use. It has a chamber with an inclined bottom surface, a removable basket for containing tablets used for sanitizing swimming pool water or bleach tablets used for laundry sanitizing purposes, a double P-trap assembly on its water inlet side that prevents sanitizing vapors from entering the air conditioning system to which it is connected, a removable cap sealing its top opening to prevent escape of sanitizing vapors into the atmosphere, and an optional mounting bracket for enhanced stabilization against a stationary object. Inflow tubing connected to the chamber permits ready attachment of the present invention to an air conditioning condensate discharge pipe, while a discharge tube in an inferior position transports reclaimed water to its location of subsequent use.

Abstract: A cold head (20; 30) for a cryo refrigerator comprises at least one refrigerator tube (5), at least one pulse tube (6, 9), and one feed line (4) for feeding a working gas from a turning valve (3) of the cryo refrigerator to a warm end of the regenerator tube (5), wherein a cold end of the pulse tube (6, 9) is connected to a cold end of the regenerator tube (5) via a connecting line (7, 8), and wherein a buffer line (10, 11) extending to a buffer volume (14, 15) of the cryo refrigerator is provided at a warm end of the pulse tube (6, 9), is characterized in that a first reversing valve (21) is provided in the feed line (4), and a second reversing valve (23; 31, 32) is provided in the buffer line (10, 11), such that, in a rinsing state of the reversing valves (21, 23; 31, 32), the turning valve (3) and the buffer volume (14, 15) are separated from the regenerator tube (5) and from the pulse tube (6, 9), and the regenerator tube (5) and the pulse tube (6, 9) can be rinsed via the reversing valves (21, 23; 31, 32

Abstract: A prepackaged, peroxide-based, cleaning composition is described which is suitable for on-site dilution, and for cleaning substrates such as air conditioner coils.

Abstract: A device for use with a refrigeration case (104) having a defrost cycle comprising at least one intake (154. 156, 158) for receiving a cleaning agent (155), a rising agent, and a sanitizing agent (159), at least one fluid outlet (140) disposable I the refrigeration case and being in fluid communication with the at least one intake, and wherein transfer of the agents from the at least one intake to the at least one fluid outlet is dependent on the defrost cycle of the refrigeration case and the order of the release of the agents is the cleaning agent, the rinsing agent, and the sanitizing agent.

Abstract: Apparatus transports rod(s) of ice of flaked or chipped ice through a tube to a remote ice bin, in which the ice is broken into nuggets. A method of cleaning the transport tube is also provided in which ice pushes a dry conformable article and a wet conformable articles carrying sanitizing solution through the tube, with the conformable articles preferably being sponges, and with the wet article sanitizing algae, bacteria, etc. during movement through the tube, and with the dry conformable article scraping debris from wall(s) of the tube during transport.

Abstract: A refrigerated merchandiser adapted to display refrigerated products includes a case defining a product display area, a bottom shelf adapted to support the refrigerated products within the product display area, and a container removably coupled with the case at a location below the bottom shelf and adapted to collect debris falling below the bottom shelf. The container is removable from the case for cleaning without removing the refrigerated products from the bottom shelf.

Abstract: An ice making machine composed of a water tank for storing an amount of ice making water, an upright ice making plate arranged above the water tank, and a water sprinkler located immediately above the ice making plate to spray ice making water supplied from the water tank to the ice making plate so that the ice making water falls along the ice making plate, in which the ice making water sprayed to the ice making plate during operation at an ice making mode is frozen and formed into ice cubes in the course of falling along the ice making plate.

Abstract: An ice-making machine and method of maintaining and cleaning an ice-making machine are provided. The ice-making machine has predictive maintenance and cleaning. Operational conditions of the ice-making machine, such as, for example, water quality, are used to establish service intervals and/or types of service, and the service intervals and/or types of service are indicated to the user with a lead-time to allow for timely obtaining the service.

Abstract: A device and method for cleaning and deodorizing a unit having an enclosed space not otherwise easily accessible for cleaning and deodorizing.

Abstract: This invention provides a thermal energy system comprising a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conducting a fluid associated with the load, wherein the secondary side of the heat exchanger is passively back-flushed upon consumption of a portion of the fluid. Passive back-flushing prevents fouling of the heat exchanger due to sediments, scale,and mineral deposits which may be present in the circulating fluid.

Abstract: A device for use with a refrigeration case (104) having a defrost cycle comprising at least one intake (154, 156, 158) for receiving a cleaning agent (155), a rising agent, and a sanitizing agent (159), at least one fluid outlet (140) disposable in the refrigeration case and being in fluid communication with the at least one intake, and wherein transfer of the agents from the at least one intake to the at least one fluid outlet is dependent on the defrost cycle of the refrigeration case and the order of the release of the agents is the cleaning agent, the rinsing agent, and the sanitizing agent.

Abstract: This cleaning system includes a compressor driven by a motor, a condenser; a cooling fan for directing an air stream at the condenser during normal operation, a motor drive system for driving the fan, and a timing device for reversing the rotational direction of the fan motor to direct the stream of cooling air away from the condenser to remove debris collected on the condenser and clean the condenser during a cleaning cycle. The fan is driven by drive system having a solid state commutated motor or a drive system having a reversible permanent split capacitor motor. The timing device includes a timer for controlling the time periods during the normal operation (cooling) cycle and during the cleaning cycle.

Abstract: The present invention relates a cooling device of the reverse Carnot cycle-type using a refrigerant, and an aerosol generation system including it. The cooling device includes a refrigerator of the reverse Carnot cycle-type, a cleaning medium conduit, a temperature sensor, and a heater. The intermediate portion of the cleaning medium conduit and the evaporator are wound like a coil in the same configuration so as to maximize the contacting area therebetween. The temperature sensor measures the temperature of the carbon dioxide discharged from the cooling device, and the heater is arranged to contact the evaporator of the refrigerator and the intermediate portion of the cleaning medium conduit so as to precisely adjust the liquefying rate of the carbon dioxide according to the temperature measured by the temperature sensor. The carbon dioxide is refrigerated at a temperature in the range of ?80° C. to ?100° C. through the cooling device, transformed into liquid phase.

Abstract: A refrigerated merchandiser adapted to display refrigerated products includes a case defining a product display area, a bottom shelf adapted to support the refrigerated products within the product display area, and a container removably coupled with the case at a location below the bottom shelf and adapted to collect debris falling below the bottom shelf. The container is removable from the case for cleaning without removing the refrigerated products from the bottom shelf.

Abstract: The present invention relates to a cooling device (30) of the reverse Carnot cycle-type using a refrigerant, and an areosol generation system including it. The cooling device (30) includes a refrigerator (310, 320) of the reverse Carnot cycle-type, a cleaning medium conduit (120), a temperature sensor (130), and a heater (140). The intermediate portion of the cleaning medium conduit and the evaporator are wound like a coil in the same configuration so as to maximize the contacting area therebetween. The temperature sensor (130) measures the temperature of the carbon dioxide discharged from the cooling device (30), and the heater (140) is arranged to contact the evaporator of the refrigerator and the intermediate portion of the cleaning medium conduit so as to precisely adjust the liquefying rate of the carbon dioxide according to the temperature measured by the temperature sensor. The carbon dioxide is refrigerated at a temperature in the range of ?80° C. to ?100° C.

Abstract: A gravity-assisted water saving system, and method of use, utilized for collecting condensate from an air conditioning system, sanitizing it, and then diverting it for constructive use. It has a chamber with an inclined bottom surface, a removable basket for containing tablets used for sanitizing swimming pool water or bleach tablets used for laundry sanitizing purposes, a double P-trap assembly on its water inlet side that prevents sanitizing vapors from entering the air conditioning system to which it is connected, a removable cap sealing its top opening to prevent escape of sanitizing vapors into the atmosphere, and an optional mounting bracket for enhanced stabilization against a stationary object. Inflow tubing connected to the chamber permits ready attachment of the present invention to an air conditioning condensate discharge pipe, while a discharge tube in an inferior position transports reclaimed water to its location of subsequent use.

Abstract: An improved apparatus and method for flushing an auger-type crushed ice making machine prevents build up of scale and other contaminants. The system feeds a flushing liquid to the top of the extrusion head such that it flows down through the device, thereby cleaning the auger and sleeve. The flushing liquid may be water or a solution having chemicals that help to remove built up scale or other contaminants.

Abstract: A thermal energy system including a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conducting a fluid associated with the load, wherein the secondary side of the heat exchanger is passively back-flushed upon consumption of a portion of the fluid. Passive back-flushing prevents fouling of the heat exchanger due to sediments, scale, and mineral deposits which may be present in the circulating fluid.

Abstract: A method and apparatus (10) for cleaning a component (14) of an air-conditioning or refrigeration system which provides for flushing liquid solvent through the component (14) to remove contamination from the component, vaporizing the solvent flushed through the component (14) followed by removing the contamination from the vaporized solvent so as to clean the solvent of the contamination, then liquefying the vaporized cleaned solvent and re-using the liquefied solvent to again flush the component (14).

Abstract: The invention relates to a device for the discontinuous production of ice-cream from a liquid mixture. Said device comprises a processing container, in which at least one tool is mounted so that it can rotate and repeatedly apply the liquid mixture to and scrape the latter from the refrigerated interior wall of the processing container, a fill opening for the liquid mixture and a discharge opening for dispensing the ice-cream from the processing container. The longitudinal axis (L-L) of the processing container (10) is inclined at a first acute angle (&agr;) in relation to the horizontal (H) and the rotating tool (20) comprises spatulas which are configured and mounted in such a way that they continuously transport the ice-cream mass which forms to the discharge opening (15), lying at the lowest point of the processing container (10).

Abstract: This cleaning system includes a compressor driven by a motor, a condenser; a cooling fan for directing an air stream at the condenser during normal operation, a motor drive system for driving the fan, and a timing device for reversing the rotational direction of the fan motor to direct the stream of cooling air away from the condenser to remove debris collected on the condenser and clean the condenser during a cleaning cycle. The fan is driven by drive system having a solid state commutated motor or a drive system having a reversible permanent split capacitor motor. The timing device includes a timer for controlling the time periods during the normal operation (cooling) cycle and during the cleaning cycle.

Abstract: A flaked ice making machine has a solenoid inlet valve in series with an inlet level control valve. In a preferred embodiment, these valves are used to provide an automatic cleaning feature. The automatic self-cleaning feature interacts with the control system and an array of inputs to clean a water reservoir and a freezing cylinder within the ice making machine and to rid the machine of mineral deposits.

Abstract: An air-conditioning system contains an evaporator housing having an air inlet, an air outlet, and an inner space formed therein. An air-through flow evaporator is disposed in the evaporator housing. At least one injection device is supported by the evaporator housing and is directed into the inner space. A supply line is connected to the injection device, and through the supply line and the injection device a cleaning agent and/or a disinfecting agent is injected into the evaporator housing.

Abstract: A flushing system for air conditioning drainage pipes including a pipe assembly, a valve for selectively blocking the pass of the upstream drain line and a connection for a pressurized fluid supply. Each of the pipe assembly ends has a slidable tubular member cooperatively larger in diameter than said pipe assembly and drain line to snugly receive the ends of the pipe assembly. The tubular members are slid partially over the drain line ends and the ends of the pipe assembly. An alternate embodiment uses cooperating threads on the ends of the pipe assembly and one of the ends of the slidable tubular members. To flush the system with a fluid (liquid or gas), a user closes the valve assembly by rotating the ball valve member and applies the pressurized fluid to flush the system. Also, O-rings are used to enhance the sealing engagement in yet another embodiment.

Abstract: An air conditioner water pan drain line and clean-out system has a clean-out body with an upper end. A lower end of the body has an end piece forming an internal recess with the body having an opening at the upper end with a female thread and two protruding round, tubular, horizontal hollow cylindrical passageways. A top cap in a disk-like configuration has a male thread sized to be received by and firmly held by the female thread of the body. A horizontally disposed connecting pipe has a first end coupled over with and securely held onto one of the protruding round, tubular hollow cylindrical passageways and a second end with male threads.