Refrigeration inventions 12/07

20070295013 - Cooling and/or heating device: The invention relates to a cooling and/or heating device (10, 60) of one or more units (8a to 8c) that are to be heated or cooled. The device comprises: a conduit network containing flow and return conduits (14, 16; 68, 70), several circuits (12a to 12c; 32 to 38, 74... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20070295014 - High turbulence heat exchanger: The present invention is a method and apparatus for cooling a heat source. In one embodiment a heat exchanger is provided and includes a channel for receiving a coolant, the channel having a first surface and an opposing second surface. A mesh plug is disposed in the channel for turbulently... Agent: Moser, Patterson & Sheridan, LLP

20070295016 - Method for controlling an expansion valve and expansion valve, in particular for vehicle air-conditioning systems operated with co2 as the refrigerant: The invention relates to a method for controlling an expansion valve, in particular for vehicle air-conditioning systems operated with CO2 as the refrigerant, with a valve housing which has a feed opening and a removal opening, with a valve-closing member which closes a valve seat of a passage opening arranged... Agent: Kriegsman & Kriegsman

20070295021 - Apparatus and method for generating water from an air stream: An apparatus and method for generating water from an air stream is disclosed. The apparatus has an inlet for receiving an air stream, a condensing element located in the air stream, a collector for gathering water vapor condensate that is formed on the condensing element when the condensing element temperature... Agent: Robert D. Gunderman, Jr. Patent Technologies, LLC

20070295022 - Procedure for obtaining water from a mass of atmospheric air and a machine for obtaining water by condensing the humidity in a mass of air: A procedure for obtaining water from a mass of atmospheric air comprising the following stages. Creating a flow of air and circulating it through the secondary circuit of an exchanging element for preliminary cooling, which may or may not initiate the change of water's state from vapour to liquid; subjecting... Agent: William Collard Collard & Roe, P.C.

20070295023 - Water tank and refrigerator having the same: Disclosed are a water tank and a refrigerator having the same. The water tank includes a tank main body provided with a water storage space formed therein and a discharge hole; a tank cover connected to the tank main body for opening and closing the water storage space; a valve... Agent: Birch Stewart Kolasch & Birch

20070295024 - Refrigerator cabinet: Refrigerator cabinet, especially for bringing bottles of wine to the proper serving temperature, comprising a refrigerating system with a heat exchanger (14a, 14b), which is arranged in a heat exchanger chamber (11, 12), a storage compartment (7) which is enclosed by outer cabinet walls (1, 2, 3, 4, 5) and... Agent: Pearne & Gordon LLP

20070295025 - Engine heat pump: An engine heat pump whose compression work is reduced without increase of consumed electric power, thereby improving its driving efficiency (energy efficiency). An engine heat pump comprises: an engine; a main compressor driven by the engine; a sub compressor delivering a refrigerant to be joined to a refrigerant delivered from... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070295026 - Laminated heat exchanger: An evaporator implemented by a laminated heat exchanger includes a refrigerant inlet header section, a refrigerant outlet header section, and plural inter mediate header sections. A sixth intermediate header section includes a refrigerant channel allowing refrigerant flow in the longitudinal direction thereof and whose downstream end with respect to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070289315 - Solid state cooling or power generating device and method of fabricating the same: The present invention relates to a solid state cooling/power generating device is provided comprising a first and second electrode separated by a vacuum gap. According to the present invention at least one of the electrodes is provided with a nanoscaled heterostructure 301, which comprises at least one quantum well which... Agent: Foley And Lardner LLP Suite 500

20070289317 - Hydrofluorocarbon refrigerant compositions and uses thereof: Disclosed herein are hydrofluorocarbon refrigerant or heat transfer fluid compositions that are useful in refrigerain or air conditioning apparatus or as heat transfer fluids. The compositions of the present invention are also useful in centrifugal compressor apparatus that employ two-stage compressors or single slab.single pass heat exchangers.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070289321 - Refrigerator: The present invention discloses a refrigerator which can perform direct cooling of circulating cool air by natural convection in a freezing chamber (F) and a refrigerating chamber (R), and which can selectively perform indirect cooling of circulating cool air by forcible convection in the refrigerating chamber. It is like that,... Agent: Birch Stewart Kolasch & Birch

20070289322 - Air handler unit fan installation and control method: A method is provided including installing a variable frequency drive unit to drive a previously non-variable air handler fan of an HVAC system. The method includes setting a control strategy for the variable frequency drive. The control strategy includes a drive speed for each mode of the HVAC system. The... Agent: Harness, Dickey & Pierce, P.L.C

20070289326 - Refrigeration system including refrigeration cycle and rankine cycle: A controller reduces a rotational speed of a Rankine cycle from a predetermined normal rotational speed during an operation of a compressor in a predetermined state when the controller determines that a predicted refrigerant flow quantity, which is predicted by assuming that the compressor is operated in a sole operation... Agent: Posz Law Group, PLC

20070289327 - Refrigerating apparatus for cooling refrigerating spaces: Disclosed is a cooling device, especially for chilling cooling chambers, comprising two alternately activatable heat exchangers, particularly evaporators or coolers of a cooling circuit, and at least one fan for blowing gas, above all air, through the heat exchangers. In order to reduce production costs and space requirements, the two... Agent: Fitch Even Tabin And Flannery

20070289328 - Coil structure and heat pump system using the same: The present invention relates to a coil structure, which provides a heating capacity not lower than a conventional heating capacity, reduces the work of a compressor, and executes double-stage condensation, and to a heat pump system which uses the coil structure and raises the temperature of heat as high as... Agent: Booth Udall, PLC

20070283702 - Dual heat to cooling converter: The dual heat to cooling converter is comprised of one device which converts thermal energy to electricity and the second device which converts electrical energy to cooling. The emf generating device may be of the thermoelectric type and the cooling device of the thermionic type and conversely, the emf generating... Agent: Richard J. Strnad

20070283703 - Air conditioning unit for vehicles and method of operating the same: An air conditioning unit for a combined refrigeration plant and heat pump mode of operation for vehicles is disclosed, wherein the air conditioning unit includes a primary circuit and a secondary passage, and a power consumption required by the air conditioning unit to heat the passenger compartment is minimized.... Agent: Fraser Clemens Martin & Miller LLC

20070283706 - Defrost operating method for refrigerator: act The present invention discloses a defrost operating method for a refrigerator which performs a defrost operation by controlling operations of a compressor and a fan on the basis of a continuous operation time of the compressor and surface temperatures of evaporators to prevent frost from being formed on the... Agent: Birch Stewart Kolasch & Birch

20070283712 - Heat pump with reheat and economizer functions: A heat pump system operates in heating and cooling modes. The heat pump is provided with both a reheat function and economizer circuit. The economizer circuit provides augmented performance to the heat pump, while the reheat coil allows enhanced control over temperature and humidity of the air supplied to the... Agent: Carlson, Gaskey & Olds, P.C.

20070283714 - Ice tray assembly and refrigerator having the same: An ice tray assembly and refrigerator having the same are disclosed, by which pieces of ice stored in a plurality of ice trays can be simultaneously discharged by a single motion without interfering with each other. The present invention includes a plurality of ice trays vertically provided within a case,... Agent: Birch Stewart Kolasch & Birch

20070283715 - Powder cooler start-up aeration system: A method of starting a vertically situated cylindrical cooler for powered material such as cement within which material to be cooled moves upward through the cooler by being propelled by rotatable spiral flights. The method is advantageously used when the cooler, because of a crash stop, is prevented from starting... Agent: Daniel Dejoseph

20070277534 - Shipboard regasification for lng carriers with alternate propulsion plants: A liquefied natural gas carrier uses a diesel engine or gas turbine propulsion plant fitted with a shipboard regasification system. The propulsion plant can provide either a direct mechanical drive of the propeller shaft and propeller, or can be fitted with an integrated electric power plant using an electric motor... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070277535 - Device for directional cooling of biological matter: The present invention provides an apparatus for freezing a biological sample in a container while it moves along a longitudinal axis of the apparatus. The apparatus comprises at least one set of two cooling plates with inner surfaces having a first plate dimension perpendicular to the axis, and a second... Agent: Nath & Associates

20070277539 - Continuously operating type showcase: A showcase performs a defrosting process without stopping a cooling process. First and second intermediate ducts are bifurcated from an inflow duct and joined at an outflow duct. A first heat exchanger is mounted inside the first intermediate duct. A second heat exchanger, which is connected to the first heat... Agent: Jones Day

20070277541 - Air conditioner: When an infrared ray transmitting and receiving part of an indoor unit receives a command signal for turning on ventilating operation from a wireless remote controller, information of the on-state of the ventilating operation is stored in a first EEPROM of the indoor unit and a second EEPROM of an... Agent: Birch Stewart Kolasch & Birch

20070277543 - \"control device for refrigeration or air conditioning systems\": The invention relates to a control unit for controlling the expansion valve of a refrigeration or air conditioning system, comprising a temperature sensor that is connected upstream of the expansion valve in the coolant circuit. If the control unit detects a decrease in temperature of the aforementioned temperature sensor, which... Agent: Sierra Patent Group, Ltd.

20070277545 - Air conditioning system for motor vehicles: An air conditioning system is provided for motor vehicles, which are driven by an internal-combustion engine equipped with an overrun fuel cut-off, and having a compressor driven by the internal-combustion engine for setting a defined desired evaporator temperature, along with a control or automatic control influencing the operation of the... Agent: Crowell & Moring LLP Intellectual Property Group

20070277548 - Air-conditioning system for the passenger compartment of a vehicle: An air-conditioning system for the passenger compartment of a vehicle. The air-conditioning system includes an air-treatment unit and with a series of ventilation outlets distributed inside the passenger compartment and connected to the air-treatment unit. Some of the ventilation outlets are mounted on the side surface of a tubular body,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070277550 - Refrigeration source for a cryoablation catheter: An apparatus and method for automatic operation of a refrigeration system to provide refrigeration power to a catheter for tissue ablation or mapping. The primary refrigeration system can be open loop or closed loop, and a precool loop will typically be closed loop. Equipment and procedures are disclosed for bringing... Agent: Baker & Mckenzie LLP Patent Department

20070277552 - Process for producing liquefied petroleum gas: A hydrocarbon gas containing propane or butane as a main component, i.e., a liquefied petroleum gas is produced by passing a raw material gas comprising at least one selected from the group consisting of methanol and dimethyl ether, and a synthesis gas through a catalyst layer comprising a catalyst for... Agent: Knobbe Martens Olson & Bear LLP