Abstract: Fire prevention and suppression system is provided for computer cabinets and fire-hazardous containers. The equipment of the system provides low-oxygen environments at standard atmospheric pressure. The system employs an oxygen-extraction apparatus that supplies oxygen-depleted air inside an enclosed area communicating with the device. A fire-extinguishing composition is provided for continuous use in computer cabinets and fire-hazardous containers, consisting of oxygen-depleted air having oxygen content below 12%.

Abstract: An apparatus for subjecting articles of manufacture to a cryogenic thermal cycling process includes a bottom portion and a lid. The bottom portion comprises an outer and inner tank separated by a plurality of insulation layers. The inner tank defines an inner cavity wherein the articles are subjected to the cryogenic process. A thermal break is provided between the lid and bottom portion so that the temperature of the inner cavity does not conduct to the outer tank of the apparatus bottom portion. The process conducted in the apparatus is controlled by a pre-programmed profile inputted by a key controller or PC. Liquid nitrogen is the preferred cryogenic material to be employed. The novel process subjects the article to extreme negative temperatures thereafter cycling the article between a set of negative temperatures for a number of cycles. The process is completed by heating the article to an extreme positive temperature and then allowed to cool to ambient room temperature.

Abstract: An ultraviolet ray light source radiates ultraviolet rays on a plurality of photocatalytic beads. An enclosure allows an airflow and accommodates the light source and the photocatalytic beads.

Abstract: The present invention is an apparatus and method for providing effective chlorination of water used in ice making equipment for the production of ice cubes for sanitizing and retarding the growth of micro-organisms therein. A chlorine generator is used to produce chlorine gas from chloride ions present in the water.

Abstract: There are described apparatus and methods wherein ultraviolet light kills and/or degrades and vaporizes microorganisms and organic material which naturally form over time on a heat exchanger. As this matter is eliminated, the pressure drop is decreased (i.e., airflow is increased) and the heat exchange efficiency (capacity) is increased. Less energy per Btu removed is used by the cooling system, and less energy is used by the HVAC system to move air.

Abstract: There are described apparatus and methods wherein ultraviolet light kills and/or degrades and vaporizes microorganisms and organic material which naturally form over time on a heat exchanger. As this matter is eliminated, the pressure drop is decreased (i.e., airflow is increased) and the heat exchange efficiency (capacity) is increased. Less energy per Btu removed is used by the cooling system, and less energy is used by the HVAC system to move air.

Abstract: The invention relates to a high-pressure freezing system in which the pressure build-up ensues from a prestressed pneumatic cylinder. This results in a particularly rapid pressure rise in the sample holder.

Abstract: A super-quick freezing method and apparatus for preserving the freshness of food ingredients and food products while enabling long-term storage is provided. Provided is a freezing store 11 capable of lowering the inner-temperature to −30° C. to −100° C.; and a fluctuating magnetic field generator 21 for applying a unidirectional magnetic field, which fluctuates within a 5% to 15% range about a arbitrary reference value fixed at a value between 1 to 20000 Gs in the positive and negative directions, to the central portion of the store. Also provided are ventilators 31 for circulating cold air within the store at a wind velocity of 1 to 5 m/sec; and a sound wave generator 41 for superimposing sound waves in the audio-frequency range with a sound pressure level of 2 to 10 dB onto the cold wind circulated by the ventilators 31. Also provided is an electric field generator 51 for applying an electric field with an intensity of 100 to 1000 kV/m to the central portion of the store.

Abstract: The invention relates to a refrigerated display case, includes a goods platform, a goods space arranged above the platform, a tub space that is arranged below the platform and is bordered by a display case tub, a blower, an evaporating apparatus and a UV sterilizing tube. The evaporating apparatus is arranged in the effective range of the UV sterilizing tube, which admits the evaporating apparatus during the defrosting, carried out with the aid of a hot-gas defrosting device.

Abstract: This invention is directed to a method of ice seeding a biological samples, such as cells, harvested tissues, and cellular biological constructs such as culture tissue equivalents. The method initiates the formation of ice that is controllable to allow for maximal viability of the sample to be cryopreserved after it has been subsequently thawed.

Abstract: A transportable cart assembly is described which controls various environmental conditions within an enclosure while transporting items such as semiconductor wafers or flat panel displays. A fan and filter unit is used to control the spread of small particles within the cart and a heating and cooling unit, such as a thermoelectric heater, is used to control the temperature within the enclosure. The fan and filter unit works in conjunction with the heating and cooling unit in a single-pass flow or recirculating cycle to maintain the temperatures within the enclosure at predetermined levels. The cart also has lighting and an ionization unit to control electrostatic discharge. The cart assembly is powered by an external power supply through a retractable power cord or through its on-board power supply.

Abstract: An apparatus and method for rapidly cooling a liquid based food, such as soups and the like, includes a fluid circulation device which is inserted into a container holding hot soup in order to cool the same. The fluid circulation device preferably includes a coiled, tubular element which circulates chilled fluid through the soup without the fluid coming into direct contact with the soup. The soup is cooled by continuously flowing chilled fluid through the circulation coil, thereby effecting a heat exchange whereby the chilled fluid absorbs heat from soup as it passes through the fluid circulation device in order to lower the temperature of the soup. The apparatus includes a pump which transports the chilled fluid from a fluid supply, through an inlet line into the circulation device, through the circulation device and into an outlet line which then transports the fluid out of the fluid circulation device.

Abstract: A heat exchanger coil has its fins coated with a photocatalytic semi-conductor material in such a manner that its fins may then be illuminated by UV light to activate the material so as to cause the oxidation of organic pollutants which are on the fin coils themselves or in the air passing therethrough. A preferred photocatalytic semi-conductor material is titanium dioxide, which may be applied to the fin stock prior to the fabrication of the coil.

Abstract: An apparatus for ice seeding during cryopreservation of biological samples such as cells, harvested tissues, and cellular biological constructs such as culture tissues equivalents wherein ice seeding is performed by discharging a liquefied or chilled gas from a nozzle to the surface container containing the biological sample in cryopreservative. Inside a freezing chamber, containers are placed on racks that are located proximal to a sprayrail containing nozzles. Ice seeding is performed by discharge of liquefied or chilled gas from the nozzles to the container surface at the solid-liquid equilibrium temperature of the cryopreservative. Localized cooling of the container surface by the discharge results in ice seed formation within the container.

Abstract: A system and method is provided for making ice, transporting the ice to a remote location for subsequent use and for periodically sanitizing the transportation portion of the system without disabling or shutting down the system.

Abstract: A system and method are provided for controlling temperature and humidity of an environment for a process chamber for semiconductor manufacturing materials. A supply of filtered, temperature and humidity controlled gaseous working fluid is provided to a process chamber, and is controlled by cascade control based upon sensing of environmental parameters to be controlled both upstream and downstream of a chemical filter, which can be a charcoal filter. A controller determines a first control error output by comparing a desired process parameter set point for the controlled environmental parameter of the gaseous working fluid with the first sensed value, determines a second set point from the first control error, and controls the supply of the temperature and humidity controlled gaseous working fluid based upon the second set point.

Abstract: An air conditioner equipped with an air cleaner. In the air conditioner, a dust collector is arranged in an air path located behind a heat exchanger. A dust collecting electrode of the dust collector is combined with a heater for self-cleaning. An opening, which communicates the air path located behind the heat exchanger with the outside, is provided above the dust collector. An open-and-close valve, which is closed during the air conditioning operation and opened in the case where the air cleaning operation is carried out while the air conditioning operation is stopped, is provided at the opening. The dust collector does not interrupt the flow of air during the air conditioning operation and also in the case where the air cleaning operation is carried out while the air conditioning operation is stopped.

Abstract: This disclosure relates to a process for treating sintered carbide metals, typically cutting tools and parts subject to high abrasive and corrosive wear, to enhance their service life. The process involves exposing the items to be treated to gaseous nitrogen for various periods of time with subsequent elevated heat treatment.

Abstract: A process for treating an article of metal containing material, the process in including subjecting the article to a deep cryogenic treatment at a temperature of -120.degree. F. or lower, subjecting the article to at most a partial tempering treatment, and then nitriding a surface of the article so as to form nitrides near a surface of the article.

Abstract: A process and apparatus for producing a frozen product or a freeze-dried product therefrom of, in particular, a material susceptible to denaturing due to existing enzymes, oxygen and heat, such as living organisms, organic compounds, vegetables, foods, fruits, drugs, biological samples, fodders and industrial raw materials while preserving the original qualities and properties, by recourse to a technique including the steps of mixing and crushing the material to be processed together with dry ice to thereby attain freezing of the material while replacing of the surrounding atmosphere by the thereby liberated carbon dioxide gas.

Abstract: A controller for use in a system employing selective permeable membrane technology to maintain a controlled atmosphere within a refrigerated container. The controller is electrically interfaced to an oxygen and carbon dioxide sensing device which is disposed within the container and capable of withstanding severe enviromental conditions to measure the levels of oxygen and carbon dioxide within the container. The controller maintains present levels of oxygen and carbon dioxide within the container and is adapted to calibrate the carbon dioxide and oxygen sensing devices as well as check for proper operation of the sensing devices and default to safety conditions when a failure is detected. The controller is further adapted to control the atmosphere maintenance system in a manner adapted not to increase the peak power requirements of the system.

Abstract: In an apparatus that rapidly cools heat treated metal strips with a recirculating nitrogen-hydrogen cooling gas mixture having a hydrogen content which ranges between 15%-50%, and a recirculation circuit for the gas mixture having a fan for creating a flow though recirculation ducts connected, through expandable compensator corrugations, upstream to at least one gas/water exchanger, a safety system operates with the exchanger. The safety system includes a housing having a main flow area upstream of the exchanger and into which recirculating cooling gas flows. A first register is interposed across the main flow area for selectively switching between open and closed states thereby passing or blocking flow through a major portion of the main flow area. At least one bypass flow area is defined within the housing and located adjacent the main flow area.

Abstract: The invention relates to a kitchen unit (100) for the handling of portions of household garbage at the source, i.e. in the individual households, said kitchen unit being in the form of a box, which fits into a kitchen table. The first compartment (7) is connected to a refrigeration unit having an evaporator (13) in the first compartment (7) and a condenser (14) which is placed under the bottom in the second compartment (17), so that the heat from the condenser (14) can rise up through a grating (21) into the second compartment (17). The first compartment (7) is insulated against heat on five (6, 8, 9, 10, 11) of its six walls, while the sixth wall (15) is formed using a heat-conducting material. The moisture from wet garbage which is deposited in the second compartment (17) is evaporated by the heat from the condenser and rises to meet the cold wall (15). Consequently, the vapor condenses and drips down this wall to a drip-tray (18), from which the condensate is led to a dish (20) via a tube (19).

Abstract: A process for cooling a continuously inflowing liquid, in particular a dispersion, in vacuo which comprises subjecting the liquid to a flash evaporation in a separator.

Abstract: The present invention relates to an accessory structure for vehicle air-conditioners for improvement of interior atmosphere by cleaning an evaporator or feeding aromatic or other functional solvents into vehicle air-conditioner adapted for taking in in- or out-side air through an air-conditioner air intake route, wherein a solvent injection means installed in the aforementioned route and a receiving member of a solvent source placed on the compartment side of the vehicle are communicated beforehand through a solvent feed route, so that the trouble and the work otherwise unavoidable for connecting the solvent source to the solvent feed route may be spared, permitting the solvent to be instantly fed to the solvent flow injection means.

Abstract: A method and apparatus for providing a clean respirable atmosphere in a clean room. A liquefied breathable gas is supplied from a source thereof and filtered. The filtered liquid is vaporised and the gas produced by the vaporisation is filtered. Thereafter the filtered gas is introduced into the clean room.

Abstract: A mobile container adapted for transporting perishable goods includes a front wall, a rear wall, a pair of side walls extending therebetween so as to define an elongated enclosure having a longitudinal axis and adapted to receive a cargo load. An air recirculation plenum is defined in the enclosure adjacent to the front wall. A refrigeration system is in fluid communication with the air recirculation plenum and is adapted to induct air at a first temperature and to exhaust air at a second temperature. A pair of air delivery plenums extend from the bulkhead along the length of the enclosure parallel to the longitudinal axis. Each of the pair of air delivery plenums is defined by a corresponding one of the pair of side walls and a plenum wall disposed spaced from the corresponding side wall and extending from the upper margins of the enclosure such that the plenum wall is adapted to be co-extensive and in abutting contact with a portion of the cargo load.

Abstract: A process for the discharge of melted liquid material, heated to a high temperature, which occurs during the thermal treatment of waste by direct melting or the melting down of residues. The liquid melted phases are sprayed into a jet of cooling agent with a high rate of flow and cooled until they solidify and are then passed into a water bath as a granulate. The temperature of the water bath is stabilized by the circulation of liquid, the residual heat given off, the result of further cooling of the granulate, being recovered.

Abstract: An air conditioning installation for the cabin of a motor vehicle comprises an air treatment and distribution unit having an upstream chamber containing a fan and a downstream chamber containing distribution valves for distribution of treated air to the cabin. The two chambers are separated by an evaporator, through which air is driven by the fan into the downstream chamber. A collector for recovery of condensates is located below the evaporator and drains to outside the vehicle. The installation includes control means arranged to operate an automatic scavenging cycle immediately prior to the start of a period of air conditioning operation. This cycle consists in closing all the distribution valves and then running the fan for a predetermined scavenging period so as to drive the stale air out of the interior of the unit.

Abstract: The suction device according to the invention for cryostatic microtomes has a filter for the separation of cutting wastes from the suction air stream, and a device arranged following the filter for sterilization or disinfection of the suction air stream. For this purpose, the air stream is first heated and then exposed to a strong UV irradiation. In the subsequent two-stage cooling arrangement, the air stream is cooled down again to about the cryostat temperature and is conducted back into the cryostat. The filter for the separation of the cutting wastes from the air stream is preferably constructed outside the cryostat as a liquid container with a disinfecting liquid, so that the cutting wastes are disinfected in the disinfecting liquid. A contamination of the surroundings or of the internal space of the cryostat with disease germs is largely prevented.

Abstract: This invention is directed to an efficient cryopreservation package desgin of harvested mammalian tissues and living cultured tissue equivalents made by in vitro technology. The invention involves immersing a mammalian tissue or cultured tissue equivalent in a cryoprotectant solution, agitating the cryoprotectant solution and the immersed tissue to achieve effective penetration of the cryoprotectant solution into the tissue, and then freezing the tissue at a very slow freezing rate. In the freezing step, extracellular ice formation is initiated by seeding. The cryopreserved tissue may be stored for indefinite periods of time prior to use. The cultured tissue equivalent is an in vitro model of the equivalent human tissue, such as skin or cornea, which, when retrieved from storage can be used for transplantation or implantation in vivo or for screening compounds in vitro.

Abstract: A transportable and size-adjustable ripening apparatus for controlled ripening of produce includes a chamber defined by a ceiling, a floor, and walls connecting the ceiling and the floor. The chamber is configured to receive a row of boxed produce that defines an interstitial volume with one of the walls to create a low-pressure plenum. The ripening apparatus also includes an air flow control system for transferring air between a high pressure plenum and the low pressure plenum, and which controls the temperature of the transferred air. The plena are generally enclosed to inhibit airflow therebetween except for airflow through the air control system and through openings in the produce boxes. The air control system includes one system for controlling the flow of air through a refrigeration unit, and another system for circulating air without refrigeration. The invention is preferably constructed from an existing ISO (International Standards Organization) container.

Abstract: Air conditioning apparatus using liquid nitrogen. A source of liquid nitrogen fills a pressure vessel as necessary. A release valve releases the liquid nitrogen from the pressure vessel into a housing to absorb latent heat and become nitrogen gas. A thermostat controls the release valve. A dehumidifying arrangement blows warmer air from outside the housing to mix with the nitrogen gas inside the housing to become a cooler air mixture. The dehumidifying arrangement further dehumidifies the cooler air mixture before directing the cooler air mixture to the atmosphere outside the housing.

Abstract: An ice keeps the temperature of foodstuff at the freezing point, inhibits the propagation of bacteria or germ, and suppresses the number of bacteria or germs as low as possible. The ice of the present invention comprises a frozen mixture of water and finely divided particles of metal element or metal oxide having sterilizing power.

Abstract: A preferably self-contained food conservator system includes a vacuum compartment appropriate for storing baked goods, in which a negative pressure of about 10" Hg in maintained, preferably at about 60% relative humidity. The environment of the compartment preferably is feed-back-controlled by a microprocessor control. The microprocessor preferably can control vacuum, relative humidity, temperature, the amount of ozone introduced into the compartment to retard bacterial growth, as well as outgassing time cycles. A pushbutton type menu allows a user to input data used to control the microprocessor, and permit optimization of the compartment environment for the particular foodstuffs presently being stored.

Abstract: An air conditioning system is provided which utilizes both exhaust and outside air energy to regenerate the latent and sensible heat removal operations while not detrimentally increasing the bacterial contamination risks associated with exhaust air energy recoupment. The air conditioning system includes a supply air passageway through which supply air flows during conditioning thereof and a desiccant wheel for reducing the humidity of supply air in the supply air passageway. The system also includes separate exhaust air and outside air passageways. A first circulation assembly is provided for circulating a heat transfer medium between a refrigerant-type cooling assembly and a first transfer zone disposed in the exhaust air passageway and a second circulation assembly is provided for circulating a heat transfer medium between the cooling assembly and a second transfer zone disposed in the outside air passageway.

Abstract: In the method, cadaver (50) is kept at low temperature and sterilized in casket (1, 2) or disaster pouch (51), which prevents cadaver (50) from putrefying and bacteria from propagating therein. In the apparatus, casket (1, 2) constructed of casket body (1) and lid (2). Disposed in casket (1, 2) is cooling means constructed of: cooling casing (3, 8); nozzle (20) for supplying a liquefied cooling gas to cooling casing (3, 8). One or a plurality of ventilation boards (4, 9) are incorporated in casing (3, 8) wherein cooling chamnber (6, 11) is formed between board (4, 9) and casing (3, 8) to permit the cooling gas to enter board (4, 9) and flow in a direction opposite to that of the gas flowing inside the cooling chamber (6, 11).

Abstract: A deodorizing element (10) for use in a refrigerator (1). The element acts to remove food odors from the air circulating through the refrigerator which has a refrigeration system (5) by which air is circulated throughout a food storage compartment (2-4). The deodorizing element comprises a metal rod (14) at each end of which are electrical connections (16a, 16b) for connecting the heating element into an electrical circuit by which current is drawn through the rod. A layer (24) of a coating material is formed on the outer surface of the rod. This coating material is an odor absorbing material which is activated by the heat generated when current flows through the heating rod. The heating rod is mounted in an air circulation path of the refrigeration system by which air flowing through the system is drawn over the heating element and odors in the air are absorbed by the coating material.

Abstract: The invention relates to a process and an apparatus for pelleting materials capable of forming drops, in which the materials to be pelleted are added dropwise into a coolant liquid bath (5), preferably a liquified gas, hardened and are kept separate on a vibratory conveyor unit (7) with supply of vibratory energy and are completely frozen solid, exploiting the temperature of the cold gas.

Abstract: The present invention relates to an attachment to an air-conditioner for cooling and heating the room in ordinary home, office, factory, shop, etc., being an attachment to an air-conditioner disposing at least one solvent discharge means in an air-conditioning channel between an air suction portion and an air blow-out portion, wherein at least one solvent of cleaning, aromatic, antimicrobial, deodorant or anti-mold effect, or a compound solvent is discharged from the solvent discharge means, so that the cleaning, aromatic, antimicrobial, deodorant or anti-mold effect may be obtained depending on the solvent being used, thereby improving the indoor environments.

Abstract: A system for storing a plurality of cryopreservable samples is provided, comprising a liquid nitrogen Dewar flask having a substantially circular opening of diameter X defined therein, the Dewar flask containing therein a plurality of Dewar flask-compatible storage racks, each storage rack comprising at least one substantially rectangular container, having a first set of opposite sides in substantially perpendicular relationship with a second set of opposite sides, the first set of opposite sides and the second set of opposite sides defining an inner space therebetween, and a plurality of strips, located in the inner space and each in contact with at least one side, formed in substantially parallel relationship with the first set of opposite sides, the plurality of strips forming a plurality of storage slots in the inner space, wherein at least one of the plurality of storage slots contains a cassette containing therein a cryopreservable sample.

Abstract: A device for disinfecting food stored in a refrigerated compartment, utilizing radiation emitted in the ultraviolet wavelengths between 200 and 300 nanometers emitted by a lamp. The lamp is installed on an upper surface of an enclosed refrigerator compartment lined with a reflective lining adapted to reflect radiation in the ultraviolet wavelengths. A raised grill is provided within the enclosed compartment for the placement of food products for disinfecting above a lower surface of the compartment, permitting reflected ultraviolet radiation to impact the underside of the food products. A switch triggered by the opening and closing of a door on the refrigerator, and a timer activated by the switch, activate the ultraviolet lamp after a predetermined period has elapsed from closure of the refrigerator door.

Abstract: This invention relates to a process for Heating, Ventilating and Air Conditioning (HVAC) applications. In particular, this invention relates to a method for supplying oxygen concentrated air to an indoor air environment, which is termed as High Level Oxygen Air Conditioning (HLOAC): The High Level Oxygen Air Conditioning (HLOAC) primarily comprises three steps: (1). Introducing air stream to an oxygen and nitrogen separation device; (2). Separating nitrogen and oxygen in air to obtain a concentrated oxygen stream; (3). Introducing said concentrated oxygen stream into the indoor environment.

Abstract: An air conditioning system for a semiconductor clean room includes a chemical filter between an air conditioner including a humidifier and a ULPA filter of the clean room, for ionizing chemical impurities using moisture supplied from the humidifier and then adsorbing the ionized chemical impurities by using the chemical filter. The chemical filter is installed downstream of the humidifier, which applies phosphoric acid for the prevention of scale-formation. This downstream location allows the chemical filter to prevent the phosphoric acid from being included in the fresh air as a new chemical impurity, which makes regulation of temperature and humidity of the air possible without having to use a special and expensive pure steam system.

Abstract: Hypoxic cleanroom system is provided for industrial applications. The equipment of the system provides clean low-oxygen or oxygen free environments with climate control and at normal atmospheric or increased pressure. The system employs an oxygen-extraction device, which supplies oxygen-depleted air inside an enclosure communicating with the device. The system may employ a gas-recycling feature by drawing oxygen-depleted gas mixture from the enclosure back into an intake of the oxygen-extraction device wherein it is mixed with an ambient air intaken by the device or by using additional oxygen-extraction device for gas recycling. For cleanroom applications the system employs a gas-recirculating device, which draws internal gas mixture from a cleanroom interior for cleaning and regulating its temperature and humidity, and sends it back through a perforated ceiling, producing laminar flow inside cleanroom. The system may be applied to interior space inside any structure.

Abstract: Device for freezing fluid substances with the aid of a cryogenic fluid comprising:a conveying channel which conveys the substance to be frozen and the cryogenic fluid in a conveying direction relative to a horizontal, the conveying channel comprising, in the conveying direction, (i) at least one section which is inclined in relation to the horizontal to which is joined (ii) an essentially horizontal section comprising a conveying device;a metering device; anda withdrawing device for the substance to be frozen, wherein the metering device and the withdrawing device are placed at opposite ends of the conveying channel.

Abstract: A process for treating an article of metal containing material having a minimum cross-sectional dimension. The process includes providing the article at ambient temperature or below and completely immersing the article in a cryogenic fluid over a time period at least equal to 10 minutes times a value of the minimum cross-sectional dimension in inches. The process further includes withdrawing the article from contact with the cryogenic fluid, and immediately subjecting the article to a flow of gaseous fluid sufficient to raise the temperature of the article until the article reaches ambient temperature.

Abstract: A method and apparatus wherein a germicidal lamp's tube is positioned in a particular manner relative to the HVAC system such that the system coil and drain pan components are subjected to UVC radiation and an increased flux density of photons emitted therefrom, and the photons are continuously reflected and directed within and through the coil until absorbed. In this manner the flux density of the photons is increased, as well as the dosage of the photons actually applied to a surface or airborne microorganism, minimizing the occurrence of HVAC-sourced bioaerosols and effectively and efficiently killing the mold and bacteria that grow on the coil and in the drain pan of a HVAC system without producing a secondary contaminant.

Abstract: A controller for use in a system employing selective permeable membrane technology to maintain a controlled atmosphere within a refrigerated container. The controller is electrically interfaced to an oxygen and carbon dioxide sensing device which is disposed within the container and capable of withstanding severe environmental conditions to measure the levels of oxygen and carbon dioxide within the container. The controller maintains preset levels of oxygen and carbon dioxide within the container and is adapted to calibrate the carbon dioxide and oxygen sensing devices as well as check for proper operation of the sensing devices and default to safety conditions when a failure is detected. The controller is further adapted to control the atmosphere maintenance system in a manner adapted not to increase the peak power requirements of the system.

Abstract: The present invention relates to an accessory structure for vehicle air-conditioner for improving the compartment atmosphere by cleaning the evaporator as heat exchanger and others or feeding aromatic or other functional solvent in a vehicle air-conditioner for taking in external air or internal air from an air-conditioning air intake route, and more particularly to an accessory structure for vehicle air-conditioner capable of improving the compartment atmosphere, by connecting a solvent feed route to solvent flow injection means provided at the upstream side of the heat exchanger in the air-conditioning air intake route, providing the base end of the solvent feed route with receiving means separated from the solvent source, fixing the receiving means in a specific place in the compartment, and putting in an accommodating space such as glove box, while separating the solvent source such as filled container from the receiving means, thereby preventing the solvent source from being ruptured or damaged, and more