Class / Patent application number | Description | Number of patent applications / Date published |
165299000 | Flow of one heat exchange material controlled by temperature of another | 18 |
20090000779 | Single-loop cooling system having dual radiators - A cooling system for use with a heat source is disclosed. The cooling system has an oil cooler, a fluid pump driving fluid through the cooling system, a first heat exchanger, and a first bypass line to direct fluid around the first heat exchanger. The cooling system also has a first electrically-controlled valve to selectively direct at least a portion of the fluid to at least one of the first heat exchanger and the first bypass line based on a fluid temperature. The cooling system further has a second heat exchanger, and a second bypass line to direct fluid around the second heat exchanger. The cooling system additionally has a second electrically-controlled valve located upstream of the oil cooler and configured to selectively direct at least a portion of the fluid to at least one of the second heat exchanger and the second bypass line based on an oil temperature. | 01-01-2009 |
20090078401 | INTEGRATION OF AN INTERNET-SERVING DATACENTER WITH A THERMAL POWER STATION AND REDUCING OPERATING COSTS AND EMISSIONS OF CARBON DIOXIDE - Methods, systems and apparatus for combining a thermal power plant with at least one data center. | 03-26-2009 |
20090090498 | TEMPERATURE REGULATING APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - A temperature regulating apparatus includes a correcting operation unit configured a) to calculates a heat exchange amount of a heat exchanger, a logarithmic mean temperature difference or an average temperature in the heat exchanger, and a flow rate of a second medium, b) to calculate an overall heat transfer coefficient of the heat exchanger based on the heat exchange amount, the logarithmic mean temperature difference or the average temperature, and the flow rate of the second medium, and c) to correct a gain of a regulating operation unit based on a change in the heat exchange amount with a change in the flow rate of the second medium supplied to the heat exchanger. | 04-09-2009 |
20090183867 | VARYING AMBIENT HEAT EXCHANGER FOR A COMPRESSOR - A heat exchanger for a compressor comprising a housing comprising a plurality of pass chambers, wherein each pass chamber comprises a plurality of tubes for contacting a hot fluid with a cooling media. At least one first flow nozzle introduces a first portion of the hot fluid into a first pass chamber. At least one second flow nozzle downstream of the first flow nozzle introduces a second portion of the hot fluid into at least one downstream pass chamber, forming a reduced rate of fluid flow in the first pass chamber and optimizing contact between the second portion of the hot fluid and the plurality of tubes, to form a cooled fluid. An outlet downstream of the second flow nozzle, in communication with a final pass chamber, is adapted for receiving the cooled fluid. | 07-23-2009 |
20090236089 | Controlling Temperature of Vehicle Devices Using a Variable Speed Fan - A method for controlling a fan in a vehicle includes comparing the current temperature of at least a first device and a second device to multiple temperature ranges for each of said devices and determining on the basis of said comparisons whether fan speed should be changed, increasing fan speed to a maximum fan speed if at least one of the comparisons indicates that the maximum fan speed is desired, increasing fan speed to a reference fan speed if at least one of the comparisons indicates that an increase in fan speed less than the maximum fan speed is desired, and decreasing fan speed to a reference fan speed if the comparisons indicate that a decrease in fan speed is desired. | 09-24-2009 |
20100186943 | DUAL CHANNEL REGULATED FUEL-OIL HEAT EXCHANGER - A gas turbine engine includes a fuel-oil heat exchange system in which the fuel is continuously heated by a primary hot oil flow in a primary fuel-oil heat exchanger and the fuel is selectively heated in a secondary fuel-oil heat exchanger by a secondary hot oil flow selectively passing through or bypassing a secondary fuel-oil heat exchanger, controlled by a thermal valve. | 07-29-2010 |
20110048691 | FAIL-SAFE AIR FLAP CONTROL APPARATUS FOR VEHICLE - A fail-safe air flap control apparatus for a vehicle includes a coolant temperature sensor, a control unit, an actuator, a movable unit, a flap unit, an elastic member and a solenoid unit. The coolant temperature sensor measures the temperature of a coolant. The control unit compares a value measured by the sensor to a reference value and generates a corresponding control signal. The actuator has a rotator which rotates in a clockwise or counterclockwise direction depending on the control signal. The movable unit linearly moves under rotational force of the rotator. The flap unit includes a flap housing having an air flow slot, a flap door mounted to the flap housing to openably close the air flow slot, and a connecting rod connected to the movable unit. The elastic member applies elastic force to the movable unit in a direction in which the flap door opens. The solenoid unit is controlled by the control signal of the control unit so as to either restrain movement of the movable unit and so maintain the flap door in a closed state or to release the movable unit. | 03-03-2011 |
20110056675 | APPARATUS AND METHOD FOR ADJUSTING COOLANT FLOW RESISTANCE THROUGH LIQUID-COOLED ELECTRONICS RACK(S) - Apparatuses and methods are presented for adjusting coolant flow resistance through one or more liquid-cooled electronics racks. Flow restrictors are employed in association with multiple heat exchange tube sections of a heat exchange assembly, or in association with a plurality of coolant supply lines or coolant return lines feeding multiple heat exchange assemblies. Flow restrictors associated with respective heat exchange tube sections (or respective heat exchange assemblies) are disposed at the coolant channel inlet or coolant channel outlet of the tube sections (or of the heat exchange assemblies). These flow restrictors tailor coolant flow resistance through the heat exchange tube sections or through the heat exchange assemblies to enhance overall heat transfer within the tube sections or across heat exchange assemblies by tailoring coolant flow. In one embodiment, the flow restrictors tailor a coolant flow distribution differential across multiple heat exchange tube sections or across multiple heat exchange assemblies. | 03-10-2011 |
20110209865 | METHOD AND APPARATUS TO TRANSFER HEAT TO AUTOMATIC TRANSMISSION FLUID USING ENGINE EXHAUST GAS FEED STREAM - Transmission fluid is heated through a heat exchanger effective to transfer heat between transmission fluid of a transmission assembly and an exhaust gas feed stream of an engine. | 09-01-2011 |
20130043018 | ARRANGEMENT AND METHOD FOR WARMING OF COOLANT WHICH CIRCULATES IN A COOLING SYSTEM - An arrangement and a method for warming coolant in a cooling system of a combustion engine for instance in vehicle: A control unit ( | 02-21-2013 |
20130048266 | AIR PRESSURE MEASUREMENT BASED COOLING - A cooling management system including component racks, a cooling system, pressure measurement devices, and a computing system within a structure. Each component rack includes an exothermic apparatus. The structure includes warm air aisle spaces and cold air aisle spaces located between the component racks. The cooling system feeds cold air into each cold air aisle space. The cold air flows through the component racks resulting in displacement of warm air from each exothermic apparatus. The warm air flows into the warm air aisle spaces and is directed back to the cooling system. The pressure measurement devices measure differential pressure values between the cold air aisle spaces and the warm air aisle spaces. The computing system monitors the differential pressure values, perform calculations associated with the differential pressure values, and control a fan speed of at least one fan within the cooling system based on the calculations. | 02-28-2013 |
20130140017 | Heat Exchanger for Vehicle - A heat exchanger may include a heat radiating portion provided with first, second, and third connecting lines formed in a predetermined sequence by stacking a plurality of plates, and receiving first, second, and third operating fluids respectively into the first, second, and third connecting lines, the first, second, and third operating fluids exchanging heat with each other while passing through the first, second, and third connecting lines and the first, second, and not being mixed with each other while being circulated, and a bifurcating portion connecting an inflow hole for flowing one operating fluid of the first, second, and third operating fluids with an exhaust hole for exhausting the one operating fluid, adapted for the one operating fluid to bypass the heat radiating portion according to a temperature of the one operating fluid, and mounted at an exterior of the heat radiating portion. | 06-06-2013 |
20130248168 | CONTROLLING TEMPERATURE IN A REFRIGERATED TRANSPORT CONTAINER - Temperature is controlled in a refrigerated transport container comprising a transport volume, a control unit, a cooling space, one or more fans providing air flow through the cooling space, where air passing through the cooling space passes a return air temperature sensor, a cooling unit, and a supply air temperature sensor. Supply air temperature (Tsup) is controlled to bring temperatures in the transport volume within a desired temperature range around a first temperature set point (Tset). The supply air temperature (Tsup) or a time-averaged function thereof is controlled to reach a temperature below the set point (Tset) during a first limited time period; and the supply air temperature (Tsup) is increased during a second limited time period following said first time period, so that the supply air temperature (Tsup) or a time-averaged function thereof at the end of said second time period is within said desired temperature range. | 09-26-2013 |
20140083673 | DEVICE AND METHOD FOR CONTROLLING OPENING OF A VALVE IN AN HVAC SYSTEM - For controlling the opening of a valve ( | 03-27-2014 |
20140299309 | Aircraft Cooling System - An aircraft cooling system including a cooler which is adapted to supply cooling energy to an aircraft device to be cooled, and a heat transfer arrangement which is adapted to transfer waste heat generated by the cooler to a cabin air extraction system. The heat transfer arrangement comprises a heat transfer circuit, in which a liquid heat transfer medium heated by the waste heat of the cooler circulates. | 10-09-2014 |
20150345705 | COOLED-HYDROGEN SUPPLY STATION AND HYDROGEN COOLING APPARATUS - A cooled-hydrogen supply station includes: a first coolant passage through which a first coolant circulates; a water-cooled refrigerator unit disposed on a part of the first coolant passage to cool the first coolant; a second coolant passage through which a second coolant flows; a first heat exchanger for cooling the second coolant by the first coolant, between another part of the first coolant passage and a part of the second coolant passage; a hydrogen storage unit; a hydrogen passage for transporting hydrogen stored in the hydrogen storage unit; and a second heat exchanger for cooling the hydrogen by the second coolant, between another part of the second coolant passage and a part of the hydrogen passage. The hydrogen is cooled down to a temperature of −43° C. to −20° C. by the second heat exchanger, and a hydrogen cooling power for cooling hydrogen to −40° C. is between 13.5 kW and 16.5 kW. | 12-03-2015 |
20150377557 | Pre-Cooler for Air-Cooled Heat Exchangers - An apparatus for conditioning an inlet air for an air-cooled heat exchanger, comprising a pre-cooler tube bundle configured to circulate a cooling medium, wherein the pre-cooler tube bundle is configured to remove heat from air circulated across the pre-cooler tube bundle, wherein the pre-cooler tube bundle is configured to be positioned on an air inlet side of the air-cooled heat exchanger in a plenum. | 12-31-2015 |
20220136776 | HEAT EXCHANGER ASSEMBLY HAVING AT LEAST ONE MULTI-PASS HEAT EXCHANGER AND METHOD FOR OPERATING A HEAT EXCHANGER ASSEMBLY - The invention relates to a heat exchanger assembly with at least one multi-pass heat exchanger, comprising a first distributor ( | 05-05-2022 |