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        <title>Free Patents Online: Refrigeration</title>
        <link>http://www.freepatentsonline.com/rssfeed/rssapp062.xml</link>
        <description>USPTO Class 062 Refrigeration</description>
        <language>en-us</language>
        <lastBuildDate>Thu, 13 Jun 2013 08:00:00 EDT</lastBuildDate>
        <item>
            <title><![CDATA[MAGNETIC FLUID COOLING DEVICES AND POWER ELECTRONICS ASSEMBLIES]]></title>
            <link>http://www.freepatentsonline.com/y2013/0148301.html</link>
            <description><![CDATA[Magnetic fluid cooling devices and power electronic devices are disclosed. In one embodiment, a magnetic fluid cooling device includes a magnetic field generating device, a magnetic fluid chamber assembly, and a heat sink device. The magnetic field generating device includes a plurality of magnetic regions having alternating magnetic directions such that magnetic flux generated by the magnetic field generating device is enhanced on a first side of the magnetic field generating device and inhibited on a second side of the magnetic field generating device. The magnetic fluid chamber assembly defines a magnetic fluid chamber configured to receive magnetic fluid. The heat sink device includes a plurality of extending fins, and is thermally coupled to the magnetic fluid chamber assembly. Power electronic devices are also disclosed, wherein the magnetic fluid chamber may be configured as opened or closed.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HEATING/COOLING DEVICE AND METHOD FOR OPERATING A HEATING/COOLING DEVICE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0146271.html</link>
            <description><![CDATA[The proposal is for a heating/cooling device for vehicles, in particular motor vehicles with electric drive, having a refrigerant circuit, which comprises a compressor (3), a gas cooler (5), an evaporator (7) and an expansion valve arranged between the gas cooler (5) and the evaporator (7). The heating/cooling device is characterized in that the gas cooler (5) interacts with a first liquid coolant circuit (9), and the evaporator (7) interacts with a second liquid coolant circuit (11), wherein an interior heat exchanger (17) can be assigned to the first or the second liquid coolant circuit (9, 11), and wherein an external-air heat exchanger (19) can be assigned to the first or the second liquid coolant circuit (9, 11).]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Heat Conditioning System For A Motor Vehicle]]></title>
            <link>http://www.freepatentsonline.com/y2013/0146251.html</link>
            <description><![CDATA[The present invention relates to a heat conditioning system for a motor vehicle, including: an air conditioning loop of a motor vehicle (B) in which a cooling fluid circulates and which includes a compressor (2), at least two heat exchangers (8,42) and at least one decompression device (24,26), a heat processing unit (U) of a battery (100) of the vehicle, which unit includes a heat processing means (46) which is capable of being in a heat exchange relation with the battery of the vehicle, in which the heat processing means is in a heat exchange relation with the air conditioning loop.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Substrate Processing Bubbler Assembly]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145988.html</link>
            <description><![CDATA[Embodiments provided herein describe bubbler assemblies for substrate processing systems. The substrate processing bubbler assemblies include an inner shell, an outer shell, and a thermoelectric device. The inner shell is configured to hold a liquid. The outer shell at least partially surrounds the inner shell. The inner shell and the outer shell are sized and shaped such that a gap is formed between the inner shell and the outer shell. The thermoelectric device interconnects the inner shell and the outer shell. The thermoelectric device has a first side adjacent to the inner shell and a second side adjacent to the outer shell and is configured to transfer heat between the first side and the second side thereof.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA["FLEXIBLE LIQUEFIED NATURAL GAS PLANT"]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145794.html</link>
            <description><![CDATA[The present techniques are directed to a flexible liquefied natural gas (LNG) plant that may be tied to an external electric grid for importing or exporting electric power. Exemplary embodiments provide a method for producing LNG that includes producing a base load capacity of refrigeration capacity for LNG production from a first compression system. Electricity may be produced from a second compressor string if electricity is needed by an external power grid, or a second amount of refrigeration capacity may be provided by the second compressor string is natural gas feed is available and the external grid does not need power.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Direct Expansion Evaporator]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145793.html</link>
            <description><![CDATA[A direct expansion evaporator includes an inner guiding duct defining a feeding channel for guiding raw material, and an outer guiding duct enclosing the inner guiding duct therewithin to form a heat exchange channel between the outer and inner guiding ducts for guiding refrigerant flowing along the heat exchange channel to heat-exchange with the raw material along the feeding channel, wherein a helix indention is formed at the outer guiding duct to form the heat exchange channel partitioned by a helix partition, wherein a peak of the helix partition is biased against an outer surrounding wall of the inner guiding duct to conceal the heat exchange channel along the inner guiding duct in a weld-less manner.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Air Conditioning System for Vehicles]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145792.html</link>
            <description><![CDATA[Provided is an air conditioning system for vehicles, this air conditioning system being configured in such a way that it is possible to perform air conditioning for separate purposes, such as for cooling a driver, this type of air conditioning being extremely efficient in terms of energy, and that even if part of the air conditioning system is installed in a vehicle cabin, it is possible to meet requirements for securing a space in the vehicle cabin. The aforementioned air conditioning system for vehicles comprises a refrigeration circuit provided with a compressor, a condenser, an expansion means, and an evaporator, and is characterized in that the compressor and the condenser are disposed in an in-vehicle area outside the vehicle cabin, and that the expansion means and the evaporator are locally disposed in one or more selected specific regions in the vehicle cabin, preferably in such a way as to be incorporated into units.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[REFRIGERATION SYSTEM]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145791.html</link>
            <description><![CDATA[A refrigeration system using CO2 as a refrigerant includes a receiver having a liquid outlet connected to expansion valves, which are connected to evaporators, which are connected to the suction side of the compressor. The receiver includes a second gas outlet connected to a second pressure reduction device, to reduce the energy consumption in CO2 cooling systems and to protect the compressors against liquid CO2 by heating the suction gas. The second pressure reduction device is connected by tubing to a first heat exchanging device, which is integrated in the receiver, so that gas that is evaporated in the top of a receiver can be used for cooling the liquid part of the same receiver.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HEATING AND COOLING DEVICE AND HEATING AND COOLING MODULE FOR A HEATING AND COOLING DEVICE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145790.html</link>
            <description><![CDATA[A heating/cooling device (1) is proposed for vehicles, in particular motor vehicles, with a compressor (3), a refrigerant circuit (5), a gas cooler (7), an evaporator (9), and with an expansion valve (37) arranged between the gas cooler (7) and evaporator (9) in the refrigerant circuit (5). The heating/cooling device (1) is distinguished in that the gas cooler (7) or the evaporator (9) is coupled with a liquid coolant circuit (13, 23) which cooperates with an interior heat exchanger (19) or an external air heat exchanger (27), or that the gas cooler (7) and the evaporator (9) are each coupled with an its own liquid coolant circuit (13, 23), wherein one of the liquid coolant circuits (13, 23) cooperates with the interior heat exchanger (19) and the other liquid coolant circuit (23, 13) cooperates with the external air heat exchanger (27).]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CONDENSER FOR VEHICLE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145789.html</link>
            <description><![CDATA[A condenser apparatus may include a first heat-radiating portion formed by stacking a plurality of plates, fluid-connected to the radiator to circulate the coolant, and fluid-connected to the compressor to circulate the refrigerant supplied from the compressor so as to condense the refrigerant through heat-exchange with the coolant and the refrigerant, a second heat-radiating portion integrally formed at a lower portion of the first heat-radiating portion and fluid-connected thereto, and a receiver-drier portion integrally formed at each one end of the first and second heat-radiating portions and fluid-connected to the first heat-radiating portion to receive a condensed refrigerant from the first heat-radiating portion and performing gas-liquid separation and moisture removal of the refrigerant, wherein the first heat-radiating portion may be provided with a gas-liquid separating portion which separates the refrigerant into gas refrigerant and liquid refrigerant.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[DEVICE FOR PREPARING HOT WATER BY RECOVERING HEAT FROM WASTE WATER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145788.html</link>
            <description><![CDATA[A device for preparing hot water by recovering heat from waste water includes a heat pump which has a compressor and an evaporator. The evaporator supplies thermal energy to a hot water reservoir which is disposed above the compressor. At least one heat pipe thermally connects the hot water reservoir to the compressor of the heat pump and is constructed to dissipate waste heat produced during operation of the compressor to the hot water reservoir.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[SCREW COMPRESSOR DRIVE CONTROL]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145787.html</link>
            <description><![CDATA[An embodiment of method used to control operation of a screw compressor of a refrigeration system may include receiving status signals regarding operation of the screw compressor of the refrigeration system. The method may further include determining an operating point of the screw compressor based upon the received status signals, and selecting a torque profile for the screw compressor based upon the operating point. The method may also include driving the screw compressor per the selected torque profile. Refrigeration systems and compressor systems suitable for implementing the method are also presented.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[COOLING AND HOT WATER SUPPLY SYSTEM AND COOLING AND HOT WATER SUPPLY METHOD]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145786.html</link>
            <description><![CDATA[A combined air-conditioning and hot water supply system simultaneously executes the cooling operation of a use unit and the hot water supply operation of a hot water supply unit, wherein the combined air-conditioning and hot water supply system operates in a cooling priority mode when the temperature differential ΔTwm between a set hot water supply temperature Twset and the inlet water temperature Twi of a plate water-heat exchanger is smaller than a priority operation determination threshold M that is set in advance, and operates in a hot water supply priority mode when the temperature differential ΔTwm becomes equal to or higher than the priority operation determination threshold M. This simultaneous execution of cooling and hot water supply operations prevents hot water from running out.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[AIR CONDITIONER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145785.html</link>
            <description><![CDATA[An air conditioner which controls capacity of an outdoor heat-exchanger unit without an on-off valve that exhibits high pressure loss, which prevents accumulation of refrigerant in an outdoor heat-exchanger, and which maintains reliability of a compressor or refrigeration cycle. The air conditioner includes a first expansion valve on a liquid line of a first outdoor heat- exchanger, a second expansion valve on a liquid line of a second outdoor heat-exchanger, a first connection line to connect a suction line to one port of the first 4-way valve, the suction line connecting a suction port of the compressor and an indoor heat-exchanger unit, a second connection line to connect the suction line to one port of the second 4-way valve, and a check valve provided on the second connection line to allow flow of refrigerant only from the second 4-way valve to the suction line.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HEATING, VENTILATION AND AIR CONDITIONING SYSTEM USER INTERFACE HAVING SERVICE REMINDERS ON A SINGLE SCREEN AND METHOD OF OPERATION THEREOF]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145784.html</link>
            <description><![CDATA[A user interface for use with an HVAC system, a method of providing service reminders on a single screen of a user interface of an HVAC system and an HVAC system incorporating the user interface or the method. In one embodiment, the user interface includes: (1) a display configured to provide information to a user, (2) a touchpad configured to accept input from the user and (3) a processor and memory coupled to the display and the touchpad and configured to drive the display, the display further configured to display a screen with a layout containing multiple service reminders pertaining to the HVAC system.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[POWER SAVING COMPRESSOR AND CONTROL LOGIC]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145783.html</link>
            <description><![CDATA[An air conditioner control method may entail measuring an evaporator first temperature at an exit side of the evaporator, maintaining the evaporator first temperature, measuring a length of time that the evaporator maintains the evaporator first temperature, providing a user-set evaporator target temperature; and reducing a rate of refrigerant compressed by a compressor based on a relationship between the length of time that the evaporator maintains the evaporator first temperature and the evaporator target temperature. Furthermore, an air conditioner control method utilizing a condenser and a cold storage unit may entail turning off an air conditioner compressor, maintaining operation of a condenser cooling fan, closing a thermostatic expansion valve, opening a bleed port to bypass the thermostatic expansion valve, and receiving a liquid refrigerant into the cold storage unit from the condenser after the refrigerant passes through a thermostatic expansion valve bleed port and the evaporator.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[WATER CONDENSER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145782.html</link>
            <description><![CDATA[A water condenser includes a fan which draws a primary airflow through an upstream refrigerant evaporator, through an air-to-air heat exchanger and in one embodiment also an air-to-water heat exchanger uses cold water collected as condensate from the evaporator, the airflow to the evaporator being pre-cooled by passing through the air-to-air heat exchanger and the air-to-water heat exchanger prior to entry into the evaporator wherein the airflow is further cooled to below its dew point so as to condense moisture onto the evaporator far gravity collection. The evaporator is cooled by a closed refrigerant circuit. The refrigerant condenser for the closed refrigerant circuit may employ the fan drawing the airflow through the evaporator or a separate fan, both of which drawing an auxiliary airflow separate from the airflow through the evaporator through a manifold whereby bath the auxiliary airflow and the airflow through the evaporator, or just the auxiliary airflow are guided through the condenser and corresponding fan.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Multi-Compressor Refrigeration System and Method for Operating It]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145781.html</link>
            <description><![CDATA[A refrigeration system (20) has a first compressor (24) and a second compressor (26). The second compressor has at least a first condition t least partially in parallel with the first compressor along a refrigerant flowpath. A heat rejection heat exchanger (50) is downstream of the first and second compressors along the refrigerant flowpath. An expansion device (54) is downstream of the heat rejection heat exchanger along the refrigerant flowpath. A heat absorption heat exchanger (56) is downstream of the expansion device along the refrigerant flowpath. The first compressor is a variable speed compressor coupled to a variable speed drive (32). The second compressor is a fixed speed compressor.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[SYSTEM AND METHOD FOR LIQUID-SUCTION HEAT EXCHANGE THERMAL ENERGY STORAGE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145780.html</link>
            <description><![CDATA[Disclosed is a method and device for a thermal energy storage liquid-suction heat exchanger (TES-LSHX) for air conditioning and refrigeration (AC/R) applications. The disclosed embodiments allow energy to be stored and aggregated over one period of time, and dispatched at a later period of time, to improve AC/R system efficiency during desired conditions. Not only are the benefits of LSHX stored and aggregated for later use, but when dispatched, the discharge rate can exceed the charge rate thereby further enhancing the benefit of demand reduction to utilities. The disclosed embodiments allow great flexibility and can be incorporated into OEM AC/R system designs, and/or bundled with condensing units or evaporator coils. These TES-LSHX systems can be retrofit with existing systems by installing the product at any point along the existing AC/R system's line set.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ABSORPTION TYPE AIR DRYING SYSTEM AND METHOD OF PERFORMING HEATING REGENERATION OF THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145779.html</link>
            <description><![CDATA[This invention relates to an absorption type air drying system which can maximize energy efficiency, and to a method of controlling the same. This absorption type air drying system includes first and second adsorption towers, first diverter valves provided below the first and second adsorption towers to change the direction of transport of dehumidification air and regeneration air and including first to fourth on-off valves, second diverter valves provided above the adsorption towers to change the direction of transport of dehumidification air and regeneration air and including fifth to eighth on-off valves, and regeneration diverter valves connected to the first and second diverter valves to circulate the regeneration air and including ninth and tenth on-off valves which are opened upon heating regeneration, and eleventh and twelfth on-off valves which are opened upon cooling regeneration.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HEAT TRANSFER COMPOSITIONS AND METHODS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145778.html</link>
            <description><![CDATA[Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) HFC-32; (b) HFC-125; (c) HFO-1234yf and/or HFO-1234ze; (d) HFC-134a. In certain non-limiting aspects, such refrigerants may be used as a replacement for R-404A.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CLEAR ICE MAKING MACHINE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145777.html</link>
            <description><![CDATA[An ice making machine includes a heat pipe that extends between a freezer compartment and a refrigerator compartment. The heat pipe has a first end in the freezer compartment and a second end in the refrigerator compartment. A heat exchanger is located in the freezer compartment and is in contact with the first end of the heat pipe. A heat block is located in the refrigerator compartment and is in contact with the second end of the heat pipe. A removable ice cube tray is mounted on the heat block with a surface in contact with the heat block such that when the removable ice cube tray is filled with water, ice forms from the surface of the removable ice cube tray in contact with the block.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[AIR CONDITIONING CONTROL APPARATUS AND METHOD THEREOF]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145776.html</link>
            <description><![CDATA[An air conditioning control apparatus and a method thereof may include an air conditioning control apparatus that controls the temperature of the interior of a vehicle may include an air-conditioning system including a condenser by condensing the refrigerant, an evaporator, a compressor, a heater core that controls the temperature of air flowing to the interior of the vehicle, a temperature control door that may be disposed between the evaporator and the heater core and controls flow of the heater core for the air passing through the evaporator, and a blower that blows the air flowing inside from the interior or the exterior of the vehicle to the evaporator, a sensor unit that includes an engine speed sensor measuring the number of revolutions of an engine and a throttle position sensor measuring the amount of opening of a throttle, and a controller that controls the operation of the air-conditioning system.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[GAS FRACTION EXTRACTOR UTILIZING DIRECT THERMOELECTRIC CONVERTERS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145775.html</link>
            <description><![CDATA[A direct thermoelectric converter includes a condensing surface. The condensing surface conducts heat to a silicon matrix to cool the condensing surface to a temperature to precipitate a gas fraction from a flow of gas. The matrix includes a first layer of low recombination material fused to a first layer of high recombination material at a first n-type junction, the first layer high recombination material fused to a second layer of low recombination material at a p-type junction, the second layer of low recombination material fused to a second layer of high recombination material at a second n-type junction. Each of a positive and a negative terminal are affixed conductively to the silicon matrix thereby to supply a current of electrons at a supply voltage. A controller senses the current of electrons and selectively connects the direct thermoelectric converter to a load in response to the supply of electrons.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[FILTER WITH CYCLONE SEPARATION MEANS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0145732.html</link>
            <description><![CDATA[Disclosed in a filter for filtering a working fluid comprising a canister having an inlet and an outlet; a first partially perforated generally conical member positioned in said canister; a second generally conical member positioned inside said first partially perforated generally conical member, whereby the working fluid upon entering the inlet is caused to spin inside the canister, to pass through the perforated portion of the first generally conical member, to enter an inlet to the second generally conical member, to spin within the second conical member and to pass through the outlet.]]></description>
            <pubDate>Thu, 13 Jun 2013 08:00:00 EDT</pubDate>
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