Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Evaporator, e.g., heat exchanger

Subclass of:

062 - Refrigeration

062467000 - REFRIGERATION PRODUCER

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
062515000 Evaporator, e.g., heat exchanger 88
20120180519HEAT EXCHANGE SYTEM AND METHOD OF PRODUCING THE SAME - A conduit is processed for installation in a heat exchange system as an expansion. In particular, the conduit is crushed to modify one or more flow parameters of the invention. The crushing of the conduit is preformed according to one or more crush parameters determined to ensure that refrigerant flowing through the conduit within the heat exchange system will experience a pressure drop of a predetermined amount while travelling through the conduit.07-19-2012
20120216563SURFACE FEEDING AND DISTRIBUTION OF A REFRIGERANT FOR A HEAT EXCHANGER IN SORPTION MACHINES - The invention relates to an evaporator for sorption machines, comprising a heat exchanger provided with at least one tube and/or preferably tubular accessories, and a porous material which allows vapour to pass through is in contact with the tubes and/or the tubular accessories. The invention also relates to the use of fibrous material as filing material in an evaporator.08-30-2012
20130055755DISTRIBUTOR DEVICE FOR DISTRIBUTING LIQUID TO TUBES OF A TUBE-BUNDLE APPARATUS, AND ALSO TUBE-BUNDLE APPARATUS, IN PARTICULAR FALLING-FILM EVAPORATOR - A distributor device is provided for distributing liquid to tubes of a vertical tube-bundle apparatus that open out into an upper tube sheet. The distributor device includes a plurality of outlet openings that are directed downward. For improved liquid guidance, construction, and operation of the tube-bundle apparatus, the distributor device additionally includes laterally directed outlet openings. The tube-bundle apparatus includes a shell and a hood closing the shell at the top and a tube bundle arranged within the shell. The tube-bundle includes tubes opening out into an upper tube sheet and a distributor device arranged above the upper tube sheet, within the hood, for distributing liquid to the tubes.03-07-2013
20130061631HEAT EXCHANGER - A heat exchanger includes refrigerant tubes through which refrigerant flows, and cooling-medium tubes through which coolant of a vehicle-running electric motor flows. The refrigerant tubes and the cooling-medium tubes are alternately lamination-arranged. The heat exchanger further includes outside air passages between the refrigerant tubes and the cooling-medium tubes which are adjacent to each other, and outside air flows through the outside air passages. The heat exchanger further includes outer fins arranged in the outside air passages to be capable of transferring heat between the refrigerant tubes and the cooling-medium tubes. Accordingly, appropriate heat exchange can be performed between the refrigerant and the outside air, between the coolant and the outside air, and between the refrigerant and the coolant.03-14-2013
20110271711WATER HEAT EXCHANGER AND HOT WATER HEAT SOURCE APPARATUS - A water heat exchanger exchanges heat between a refrigerant and water, and includes a pair of flat refrigerant pipes and a flat water pipe. Each flat refrigerant pipe has a plurality of refrigerant passageway holes. The flat water pipe has at least one water passageway hole. The number of water passageway holes is fewer than the number of refrigerant passageway holes of the flat refrigerant pipes. Long side surfaces of the flat water pipe and a long side surface of each of the pair of flat refrigerant pipes are in tight contact with each other as viewed in cross section. The flat water pipe is interposed by the pair of flat refrigerant pipes.11-10-2011
20110271710CONNECTION DEVICE FOR AN INTERNAL HEAT EXCHANGER - The invention relates to a connection device for an internal heat exchanger (11-10-2011
20100132403Drainpipe heat exchanger with heat storage - The present invention is a drainpipe heat exchanger to heat cold water using drainwater heat. A slit in a stiff exterior plastic sleeve with band clamps combine with internal hydraulic pressure to create a very high thermal contact force. Vertical and horizontal embodiments with and without protected heat storage are disclosed including a half jacket design for installation around operating drainpipes. A horizontal embodiment discloses a two-piece plastic-copper design. Double-wall construction and venting for visible leak detection satisfies plumbing code requirements. Use on vehicular or other combustion engine exhaust pipes is also contemplated.06-03-2010
20110113823REFRIGERANT EVAPORATOR AND AIR CONDITIONER USING THE SAME - A refrigerant evaporator (05-19-2011
20100083694Evaporator - Each heat exchange tube of an evaporator is composed of two press-worked rectangular metal plates joined together in a stacked condition. The metal plates of the heat exchange tube are swelled outward whereby at least one refrigerant flow space extending in the vertical direction and having opened upper and lower ends is provided in the heat exchange tube. Insertion portions to be inserted into header sections of header tanks of the evaporator via tube insertion holes are provided on upper and lower end portions of each heat exchange tube at positions corresponding to the refrigerant flow space. A concave portion is formed in each of the insertion portions, excluding opposite ends thereof with respect to the front-rear direction, of the upper and lower end portions of each heat exchange tube, the concave portion being concaved inward with respect to a longitudinal direction of the heat exchange tube.04-08-2010
20080245099EVAPORATOR - An evaporator includes a first heat exchanger and a second heat exchanger. The first heat exchanger includes a first path in which coolant flows downwardly, a second path in which the coolant from the first path flows upwardly, and a third path in which the coolant from the second path flows downwardly. The second heat exchanger includes at least two paths including a first path in which the coolant from the first heat exchanger flows upwardly. The number of tubes in the first path of the first heat exchanger is smaller than that in any one of the other paths of the exchangers. The number of tubes in the second path of the first heat exchanger is equal to or greater than that in the third path of the first heat exchanger. The number of tubes in the first path of the second heat exchanger is smaller than that in the third path of the first heat exchanger.10-09-2008
20090007593HEAT EXCHANGER WITH COLD ACCUMULATOR - The invention relates to a heat exchanger, in particular an evaporator (01-08-2009
20100005832DEVICE FOR COOLING, IN PARTICULAR, ELECTRONIC COMPONENTS - A device for cooling, in particular for cooling electronic components, in particular a processor unit, having an evaporator for absorbing heat in a coolant, in particular through evaporation, having a gas cooler for cooling the coolant, in particular through condensation, having a first coolant conduit for the communicating connection of an evaporator outlet to a gas cooler inlet, and having a second coolant conduit for the communicating connection of a gas cooler outlet to an evaporator inlet, the first coolant conduit is plugged onto the evaporator outlet and/or is plugged into the gas cooler inlet with an excess length, and in that the second coolant conduit is plugged onto the gas cooler outlet and/or is plugged into the evaporator inlet with an excess length.01-14-2010
20090165497HEAT EXCHANGER - An evaporator with a plurality of tubes which extend through the shell. The plurality of tubes have first respective tubes and second respective tubes, the second respective tubes being proximate to and laterally displaced from the first respective tubes. A generally vertical partition is positioned to direct the flow of the process fluid through the plurality of tubes in a generally sideways pattern.07-02-2009
20080271479Refrigerant evaporator - In a refrigerant evaporator, a core has tubes that are arranged in a core width direction and at least in two rows including a first row and a second row. The first row is disposed downstream of the second row with respect to a flow direction of an external fluid. The tubes of the first row provide a refrigerant upward path and a refrigerant downward path. The core has a thickness equal to or less than 50 mm with respect to the flow direction of the external fluid, and a width equal to or greater than 220 mm with respect to the core width direction. The upward path is further than the downward path with respect to a refrigerant inlet disposed at an end of a first header tank, and has a width equal to or less than 95 mm with respect to the core width direction.11-06-2008
20080271478Cooling System and Method for Producing an Evaporation Plate for a Low Temperature Cooling System - The invention relates to a cooling system comprising an essentially flat evaporator consisting of individual evaporation plates (11-06-2008
20090025418HEAT EXCHANGER SUPPORT - A heating, ventilation, air conditioning and refrigeration (HVAC&R) system having a compressor, a heat exchanger, an expansion device, and a multichannel heat exchanger connected in a closed refrigerant loop. The HVAC&R system may also have a base, a retainer and/or a grommet for providing support to the multichannel heat exchanger and/or substantially isolating the multichannel heat exchanger from the base.01-29-2009
20100186443HEAT TRANSFER TUBES - A combined cycle power plant includes a first generator driven by a gas turbine for generating electricity. The combined cycle power plant further includes a heat recovery steam generator disposed to receive exhaust gas from the gas turbine. The heat recovery steam generator includes an evaporator having tubes receptive to water flow therethrough. The tubes are disposed to be exposed to the exhaust gas, such that a flow of the exhaust gas passes around the tubes transfers heat from the exhaust gas to the tubes and thereby the water flowing through the tubes sufficient for the water to evaporate into steam. The tubes each having an outer surface with a plurality of deformations formed therein sufficient to introduce turbulence in the flow of the exhaust gas for enhancing heat transfer from the exhaust gas to the tubes.07-29-2010
20080307825Micro-Evaporator - A micro-evaporator is disclosed which is easy to manipulate and can be operated problem-free over a large temperature range. The micro-evaporator has micro-evaporator channels in a trapezoidal region, comprising an inlet region opening in the liquid feed chamber with a small diameter, and an outlet region opening into the vapor collecting chamber with a large diameter.12-18-2008
20100293994HYDROPHILIC COMPOSITION AND HYDROPHILIC MEMBER HAVING ANTIFUNGAL PROPERTY - A hydrophilic composition and a hydrophilic member obtained by using the composition are provided, which composition contains a hydrophilic polymer having a specific structure of having a hydrolysable group in the side chain thereof in a content of 50% by weight or more based on the weight of the solid components and further contains an additive having an antifungal property, and which composition shows excellent water resistance and maintains the high hydrophilicity even after being stored for a long period under an environment of high temperature and high humidity.11-25-2010
20090084131Air Conditioning Units with Modular Heat Exchangers, Inventories, Buildings, and Methods - Air conditioning units, methods of manufacturing, inventories, and buildings wherein certain heat exchanger modules are combined to make air conditioning units. In some embodiments, different combinations of different size modules are used to produce air conditioning units having different capacities wherein some identical modules are used in different size units. Various heat exchanger assemblies include spacers between modules, bends formed after modules are assembled into heat exchanger assemblies, attachment rails at the ends of the modules, inactive multi-tubes at the top and bottom of the modules, copper tubing between aluminum modules to facilitate field replacement of individual modules, name plates that attach between modules, attachment clips or spacers that snap attach to the modules, or a combination thereof, as examples.04-02-2009
20110174015EVAPORATOR UNIT - An evaporator unit includes an ejector, an evaporator and a refrigerant pipe to connect a refrigerant outlet of the evaporator and a suction port of the ejector. The suction port draws refrigerant using high-speed refrigerant flow injected from a nozzle of the ejector. The ejector, the evaporator and the refrigerant pipe are integrated with each other into an integrated unit. The refrigerant outlet of the evaporator is located upper than the suction port of the ejector. The refrigerant pipe has a shape in a manner that refrigerant flows downward from the refrigerant outlet of the evaporator to the suction port of the ejector.07-21-2011
20090293535Heat exchanger - A heat exchanger includes a heat exchanging section for performing heat exchange between a refrigerant and a cooling medium and a passage section. The passage section includes a first passage and a second passage for supplying the refrigerant to the heat exchanging section and a supply passage for supplying the refrigerant to the first passage and the second passage. The first passage and the second passage define a first opening portion and a second opening portion opening at an end of the supply passage. A minimum distance between an opening edge of the first opening portion and an inner surface of the supply passage is equal to a minimum distance between an opening edge of the second opening portion and the inner surface of the supply passage.12-03-2009
20110048066Battery Cooling - A battery cooling system operates by pumping liquid through a cooling fluid circulation path. Because the battery cooling system pumps liquid, the compression system that generates the cooling power does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the cooling system operates in the critical flow regime in which the pressure in an evaporator tube will remain almost constant and then ‘jump’ or ‘shock up’ to an increased pressure.03-03-2011
20100077794Evaporator - An evaporator includes a refrigerant inlet header section, a refrigerant outlet header section, and a refrigerant circulation path connecting the two header sections. A refrigerant inlet-outlet member composed of a first plate, a second plate, and an intermediate plate is joined to the two header sections. The refrigerant inlet-outlet member has an inflow channel whose one end communicates with the refrigerant inlet of the refrigerant inlet header section and whose other end is opened to a rear edge of the refrigerant inlet-outlet member, and an outflow channel whose one end communicates with the refrigerant outlet of the refrigerant outlet header section and whose other end is opened to the rear edge. The first and second plates each have inflow-channel-forming and outflow-channel-forming outward swelled portions. Cutouts and a through hole are formed in the intermediate plate such that the inflow channel and the outflow channel cross each other.04-01-2010
20090007592HEAT EXCHANGER - A heat exchanger 01-08-2009
20110005271VEHICULAR AIR CONDITIONING APPARATUS - In a vehicular air conditioning apparatus, first and second partitioning members are installed at the boundary region between a first cooling section and a second cooling section of an evaporator. The evaporator is divided into the first cooling section and the second cooling section by the first and second partitioning members. In a condition where air is not blown in either one of the passages in which the first cooling section and the second cooling section are provided, air that flows through one of the passages is prevented from flowing into the other passage while passing through the interior of the evaporator.01-13-2011
20110094260ROLLER EVAPORATOR FOR A SNOW MACHINE - A roller evaporator for a snow machine includes an inner layer and an outer layer. The inner layer is fixed on a high pressure tube and a low pressure tube, and the outer layer corresponds to and rotates relatively with respect to the inner layer. A roller of the roller evaporator is divided into two layers, with the inner layer being installed and sealed on the high pressure tube. Therefore, an extremely good sealing effect is provided and refrigerant does leak out easily while making ice.04-28-2011
20110113824Evaporator - The present invention relates to an evaporator (05-19-2011
20110120181FALLING FILM EVAPORATOR - An evaporator for use in a refrigeration system includes a shell and a tube bundle, the tube bundle having a plurality of tubes extending substantially horizontally in the shell. A hood is disposed over and laterally surrounds substantially all of the plurality of tubes of the tube bundle. A distributor is positioned between the hood and the tube bundle. The hood is asymmetrically disposed within the evaporator.05-26-2011
20100050685Multichannel Heat Exchanger with Dissimilar Flow - Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided that include multichannel tube configurations designed to promote flow of refrigerant within the multichannel tubes near the edges of the tubes that are contacted first by an external fluid. The tube configurations include flow paths of varying cross-sections, spacings, and sizes. Flow control mechanisms, such as inserts, blocking plates, sleeves, crimped sections, and crushed sections, may be employed with the flow paths to favor flow near the edges of the tubes that are contacted first by an external fluid.03-04-2010
20090019885Evaporator - An evaporator includes a refrigerant flow section which is provided on the refrigerant outlet header section. Refrigerant fed from a condenser and not yet having passed through a pressure-reducing device flows through the refrigerant flow section. The refrigerant flow section is composed of a refrigerant flow pipe brazed to the outer surface of the refrigerant outlet header section. Heat exchange is effected between the refrigerant within the refrigerant outlet header section and the refrigerant flowing through the refrigerant flow section. This evaporator eliminates the necessity of adding extra components to a refrigeration cycle, reduces the installation space and cost of the refrigeration cycle, and improves the cooling performance thereof.01-22-2009
20090019884AIR CONDITIONER - An air conditioner having a heat-source side unit including a compressor and a heat-source side heat exchanger, plural use-side units each having a use-side heat exchanger and an inter-unit pipe for connecting the heat-source side unit to the plural use-side units, including an auxiliary heat source unit having a water-refrigerant heat exchanger for heat-exchanging refrigerant with water, a refrigerant side of the water-refrigerant heat exchanger being selectively connectable to one of the high-pressure gas pipe and the low-pressure gas pile through one of a first change-over valve and a second change-over valve, and also connected to a liquid pipe through an expansion valve, and a controller for controlling the auxiliary heat source unit so that the water-refrigerant heat exchanger of the auxiliary heat source unit functions as an evaporator with a water side thereof serving as a heat source when some of the user-side units are under heating operation.01-22-2009
20120260692WATER FLOW MEASUREMENT DEVICE - A chiller system including an evaporator for evaporating a refrigerant and a water pipe in fluid communication with the evaporator. The water pipe is configured to allow water to pass through at a flow rate and to circulate the water with the evaporator to exchange heat with the refrigerant in the evaporator. The chiller system includes a flow restrictor tube within the water pipe that is configured to allow the water to flow through the flow restrictor tube at a reduced flow rate relative to the flow rate. The chiller system also includes a measuring probe that passes through walls of the water pipe and the flow restrictor tube and includes an accuracy range of flow rates less than the flow rate. The measuring probe is configured to measure the reduced flow rate within the flow restrictor tube where the reduced flow rate is within the accuracy range.10-18-2012
20080302131Evaporator - An evaporator includes a plurality of flat heat exchange tubes arranged in a left-right direction at a spacing with the widthwise direction thereof pointing forward or rearward, and fins arranged between respective adjacent pairs of heat exchange tubes. The fins have at least front edges thereof projected forwardly outward beyond the heat exchange tubes. Assuming that the amount of projection of the fins beyond the heat exchange tubes is X mm and that the heat exchange tubes are Y mm in thickness in the left-right direction, i.e., in height, X and Y have the relationship of 0.11Y≦X≦1.0Y. The surfaces of the fins can be drained of condensation water efficiently.12-11-2008
20130008203MIX DOOR AND VEHICLE AIR CONDITIONER USING THE SAME - A mix door includes a slide door unit, a slide driving part configured to drive the slide door unit, and a gear cover partially covering the slide driving part. The slide driving part includes a gear mechanism portion formed of a rack portion and a gear portion. The gear cover is provided to cover the gear portion.01-10-2013
20130014540HEAT EXCHANGE DEVICE AND COMMUNICATION TUBE USED IN THE SAMEAANM Michitsuji; YoshiharuAACI Sakai-shiAACO JPAAGP Michitsuji; Yoshiharu Sakai-shi JP - A heat exchange device includes a heat exchanger having a plurality of heat transfer tubes through which a refrigerant is circulated and functioning as an evaporator, a plurality of communication tubes connected to ends of the heat transfer tubes on the refrigerant discharge side, and a header connected to ends of the plurality of communication tubes on the refrigerant discharge side, the header for joining the refrigerant discharged from the communication tubes. At least a part of the plurality of communication tubes includes a flow passage enlargement communication tube formed in such a manner that a flow passage sectional area on the side of the header is larger than a flow passage sectional area on the side of the heat transfer tubes.01-17-2013
20130167582FREEZER EVAPORATOR APPARATUS - An ultra low temperature freezer evaporator (ULT) apparatus that has a triple feed capillary tube system. The ULT apparatus prevents the low stage compressor from running in a vacuum. The invention significantly reduces the “pull down” time. Further, the ULT freezer evaporator apparatus significantly increases the transfer area between the evaporator tubing and the contact surface on the unit to assist the transfer of heat from the refrigerated unit through the condenser to the surrounding room.07-04-2013
20110232326EVAPORATOR FOR A REFRIGERATOR - An evaporator for a refrigerator, in particular a domestic refrigerator, includes at least one refrigerant channel and at least one plate. The plate has a receptacle, arranged in a space defined by the refrigerant channel, for positioning a tube. The receptacle is formed by at least one projection, which forms a longitudinal guide of the tube. The projection is formed on the at least one plate and defines a channel having a channel wall upon which the tube bears at least partially in a longitudinal direction. The tube is, for example, a protective tube for a temperature sensor.09-29-2011
20080216509REFRIGERATOR - According to one aspect, there is provided a refrigerator including a refrigerating chamber formed at a relatively upper portion of a refrigerator body and a freezing chamber formed at a relatively lower portion of the refrigerator body, which comprises an ice-making chamber which is partitioned in the refrigerating chamber by insulating walls and includes an icemaker for making ice and an ice storage for storing the ice made in the icemaker. The temperature in the refrigerating chamber can be accurately controlled, the loss of cold air can be minimized and the structures for supplying water into the icemaker and the dispenser can be simplified.09-11-2008
20130111945Heat Exchanger and Heat Pump Using Same - A heat exchanger having a plurality of heat-transfer tubes arrayed at intervals in vertical and anteroposterior directions and arranged so that an equilateral triangle is formed by lines connecting the centers of heat-transfer tubes located vertically and anteroposteriorly adjacent to each other; and a plurality of heat-transfer corrugated fins arranged at intervals in an axial direction of the heat-transfer tubes, characterized in that when an external diameter of each of the heat-transfer tubes is V1; a vertical pitch of the heat-transfer tubes is V2, a fin pitch of the heat-transfer corrugated fins is V3, a fin plate thickness of each of the heat-transfer corrugated fins is V4, and a corrugate height of the heat-transfer corrugated fins is V5, any one of V2, V3 and V5 is set within a given range.05-09-2013
20130233014HEAT EXCHANGER - The disclosure relates to a heat exchanger including an evaporator with a pair of base plates, each base plate having a first surface with channels extending from a manifold at a first end of the evaporator to a manifold at a second end of the evaporator, some of the channels are embedded into the base plate and some of the channels are arranged outside of base plate, a condenser with channels extending from a manifold at a first end of the condenser to a manifold at a second end of the condenser, at least one riser pipe and at least one return pipe.09-12-2013
20120131949FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS - A fluid machine (05-31-2012
20130180281HEAT EXCHANGER ARRANGEMENT AND HEAT PUMP SYSTEM - A heat exchanger arrangement is given comprising a heat exchanger (07-18-2013
20120144858FLEXIBLE REFRIGERATION CONNECTION TUBE - A refrigeration connection tube. The tube comprises a flexible section of tubing that includes a ribbing. The ribbing circumscribes the flexible section of tubing in a direction that is substantially perpendicular to a long axis of the flexible section of tubing. The ribbing traverses an entire thickness of the flexible section of tubing.06-14-2012
20120017637AIR CONDITIONING DEVICE FOR VEHICLE - Provided is a vehicle air conditioning device with a simple structure which can quickly raise the temperature of engine cooling water used for heating the air in a vehicle cabin in an engine start period in a low ambient temperature. The vehicle air conditioning device comprises the following elements integrally connected with each other: a first water heat exchanger (01-26-2012
20120144859HOUSEHOLD APPLIANCE - A household appliance, in particular a refrigerator, includes an evaporator unit which includes a control panel electronic circuitry having a display unit and a control panel electronics fixing element which is placed over the control panel electronic circuitry. An outer sheet is provided to cover and close the control panel electronic circuitry. Covering the display unit is a transparent cover which is secured on both sides about its periphery between the control panel electronics fixing element and the outer sheet.06-14-2012
062516000 Enclosure forming 4
20090120125REFRIGERATING DEVICE COMPRISING TUBULAR EVAPORATORS - A refrigerating device comprising a tubular evaporator which is connected to a compressor by means of a suction line. A coolant pipe of the tubular evaporator forms a plurality of serially connected tubular loops and one ascending outlet tube connecting the tubular loop that lies the furthest downstream to the suction pipe. The tubular loops have a course that ascends in the direction of the flow of the coolant for a distance that corresponds at least to the length of the outlet tube.05-14-2009
20100242534HYBRID CASCADE VAPOR COMPRESSION REGRIGERATION SYSTEM - An exemplary system includes a first heat exchanger immediately after the compressor that provides direct, conduction-based cooling with condensate recovered from the evaporator. A second heat exchanger cools the forced air that passes over the condenser by evaporating recovered condensate, rainwater, and/or city water into the air as it passes through a breathable water-retaining medium. Finally, a third heat exchanger is described that utilizes recovered condensate, rainwater, and/or city water within an insulated enclosure to obtain additional cooling before the condensed refrigerant enters the expansion valve. Various alternative embodiments are described that include variations of each of these heat exchangers. Additionally, several alternative placements of the heat exchangers are disclosed.09-30-2010
062518000 Surrounds inner container 1
20090211294FROZEN PRODUCT MACHINE - In one embodiment, a frozen product machine comprising a cooling chamber and an evaporator is provided. The cooling chamber delivers an edible product mix. The evaporator surrounds the cooling chamber so that the evaporator and the cooling chamber define an evaporator chamber therebetween. The evaporator includes an input line and a plurality of return lines. The input line is coupled to the evaporator for receiving refrigerant in a liquid state from a condenser and for delivering the refrigerant to the evaporator chamber. The plurality of return lines coupled to a top section of the evaporator for receiving the refrigerant from the evaporator chamber and for delivering the refrigerant away from the evaporator while the cooling chamber produces the edible product mix.08-27-2009
062519000 Plural distinct sections or diverse zones 1
20100223949Evaporator with cool storage function - An evaporator with a cool storage function includes flat refrigerant flow tubes and flat cool storage material containers each brazed to one side surface of the corresponding refrigerant flow tube. A plurality of sets each composed of refrigerant flow tubes and a cool storage material container are disposed such that they are spaced from one another. A fin is disposed in an air-passing clearance between adjacent sets, and is joined to the corresponding refrigerant flow tubes and the corresponding cool storage material container. Front portions of the cool storage material containers and the fins project frontward from the refrigerant flow tubes, and an internal-volume-increasing portion, whose container height is greater than that of the container body portion, is provided at the frontward projecting portion of each cool storage material container. Fins are brazed to opposite side surfaces of the internal-volume-increasing portion of each cool storage material container.09-09-2010
062524000 Plural distinct sections 30
20130086938THERMAL STORAGE MATERIAL CONTAINER AND HEAT EXCHANGER - A cool storage material container is formed by brazing together peripheral edge portions of two aluminum plates. A cool storage material for storing cool is charged into a cool storage material accommodation space. The cool storage material container has a seal portion provided by closing a thermal storage material charging inlet which is formed at the peripheral edge portions of the two aluminum plates and is used to charge the cool storage material into the cool storage material accommodation space. The seal portion includes two outward protrusions which are formed by pressing and collapsing the thermal storage material charging inlet such that they project outward from the two aluminum plates and are brought into close contact with each other. The outward protrusions are bonded together by an anaerobic adhesive and are bent in the thickness direction of the aluminum plates such that their bent portions have a V-shaped cross section.04-11-2013
20090095015HEAT EXCHANGER IN PARTICULAR WITH COLD RESERVOIR - The invention relates to a heat exchanger, in particular, an evaporator (04-16-2009
20090013715Refrigerant Flow Divider Of Heat Exchanger For Refrigerating Apparatus - A refrigerant flow dividing apparatus of a heat exchanger for refrigerating apparatus is provided with a minimal number of refrigerant flow regulating valves and suppresses increase in the size and costs of the apparatus. Refrigerant is supplied to paths of the heat exchanger for refrigerating apparatus including a heat exchanger for reheat dehumidification via a refrigerant flow divider provided with paths. Each path of the refrigerant flow divider is provided with a refrigerant flow regulating valve, and a predetermined one of the refrigerant flow regulating valves of the paths also functions as a reheat dehumidification valve.01-15-2009
20120192589THREE-MEDIA EVAPORATOR FOR A COOLING UNIT - A three-media evaporator for a cooling unit utilizing the vapor compression refrigeration cycle. The apparatus includes a number of heat exchange tubes, each tube including an inner heat exchange tube adapted to carry a primary heat exchange medium and an outer heat exchange tube, adapted to carry an intermediate heat exchange medium. The intermediate heat exchange medium is in thermal communication with the primary heat exchange medium. A direct heat exchange mechanism, which in one aspect can be a set of fins, is in simultaneous thermal communication with the ambient medium and with the intermediate heat exchange medium. In each heat exchange tube the outer tube at least partially surround the inner tube, defining an annular space between the tubes. The intermediate medium is carried in the annular space.08-02-2012
20090025419HEAT EXCHANGER WITH COLD RESERVOIR - The invention relates to a heat exchanger, in particular, an evaporator (01-29-2009
20110138850HEAT EXCHANGER FOR VEHICULAR AIR CONDITIONING APPARATUS, AND PARTITIONING METHOD FOR HEAT EXCHANGER - In an evaporator constituting part of a vehicular air conditioning apparatus, a first cooling section that faces a first front passage, and a second cooling section that faces a first rear passage are provided. At a boundary portion between the first cooling section and the second cooling section, a partition member constituted by a filled and hardened packing agent is formed. The partition member is formed so as to fill spaces, which are located between first fins that constitute the first cooling section and second fins that constitute the second cooling section. Air that flows through the first cooling section and air that flows through the second cooling section do not mix together in the interior of the evaporator by the partition member.06-16-2011
20100242535REFRIGERANT DISTRIBUTOR FOR HEAT EXCHANGER AND HEAT EXCHANGER - A refrigerant distributor for a heat exchanger is disclosed. The distributor comprises: a pipe having an inlet disposed generally at one end of the pipe, refrigerant flows into and through the pipe through the inlet. The cross-section of a flow passage within the pipe gradually decreases from the one end to the other end of the pipe. With the above configuration, the refrigerant can be distributed relatively uniformly from the distributor.09-30-2010
20110239697EVAPORATOR UNIT - An evaporator unit comprising an evaporator, an internal heat exchanger defining a high pressure flow passage and a low pressure flow passage, an expansion device connected downstream of the high pressure flow passage of the internal heat exchanger and upstream of the evaporator. The internal heat exchanger is attached to the evaporator. With the above structure, the internal heat exchanger can utilize the remaining cooling capability of the refrigerant exiting from the evaporator for its greatest benefit.10-06-2011
20100132404BONDS AND METHOD FOR FORMING BONDS FOR A TWO-PHASE COOLING APPARATUS - Bonds and method for forming bonds for a two-phase cooling apparatus are disclosed. In one aspect of the present disclosure, the two-phase cooling apparatus includes an evaporator. One embodiment of the evaporator includes, a first layer having porous regions and non-porous regions, the porous regions having a plurality of through-holes extending through the first layer, a cap structure formed such that when disposed over the first layer, at least a portion of the plurality of through-holes are unobstructed to liquid or vapor flow, a bonding layer formed between the first layer and the cap structure, the bonding layer in contact with at least a portion of the non-porous regions of the first layer, the bonding layer comprising a bond. The bonding layer is typically compatible with liquid and forms a hermetic seal between the first layer and the cap structure06-03-2010
20110239696EVAPORATOR HAVING COLD THERMAL ENERGY STORAGE FUNCTION - An evaporator (10-06-2011
20100251761REFRIGERATION APPARATUS - A refrigeration apparatus uses a refrigerant that operates in a supercritical range. The refrigeration apparatus includes a compression mechanism, a heat source-side heat exchanger, an expansion mechanism, a usage-side heat exchanger, a switching mechanism, an intercooler, a bypass tube, and an injection tube. The switching mechanism is configured to switch between cooling and heating operation states. When the switching mechanism is switched to the cooling operation state to allow refrigerant to flow to the heat source-side heat exchanger and a reverse cycle defrosting operation for defrosting the heat source-side heat exchanger is performed, the refrigerant is caused to flow to the heat source-side heat exchanger, the intercooler and the injection tube. After the defrosting of the intercooler is detected as being complete, the bypass tube is used so as to ensure that the refrigerant does not flow to the intercooler and the injection valve is controlled so that the opening degree is increased.10-07-2010
20120198882EVAPORATOR - An evaporator includes a pair of header tanks spaced from each other in a vertical direction; a plurality of flat heat exchange tubes 08-09-2012
20100115987EVAPORATOR - An evaporator 05-13-2010
20120042687EVAPORATOR WITH COOL STORAGE FUNCTION - An evaporator with a cool storage function includes a cool storage material container disposed at least one of air-passing clearances formed between adjacent refrigerant flow tubes, and fins disposed in air-passing clearances on opposite sides of the cool storage material container. The cool storage material container includes a container body portion joined to the corresponding refrigerant flow tubes, and an outward extending portion which extends from the front edge of the container body portion and projects frontward in relation to the refrigerant flow tubes. Each of the fins has a fin body portion joined to the corresponding refrigerant flow tubes, and an outward extending portion which extends from the front edge of the fin body portion body and projects frontward in relation to the refrigerant flow tubes. The outward extending portions of the fins are brazed to opposite sides of the outward extending portion of the cool storage material container.02-23-2012
20110120182Plate Evaporator, In Particular For A Refrigerant Circuit - Plate evaporator (05-26-2011
20120279252MODULAR CONSTRUCTION COMPRESSED AIR/GAS DRYER SYSTEM WITH FILTRATION - A modular compressed-gas dryer including in series: an inlet module, a precooler/reheater module, an evaporator module, and a sump module. The modules form columns where at least one column has a filtration chamber. Further provided are a gas outlet and gastight seals between modules. The system creates a first and second set of heat transfer passages where refrigerant passes through the second set in a heat exchange relationship in a direction perpendicular to incoming gas passing in the first set. The filtration chamber conducts chilled gas from the first set to a third set of heat transfer passages. The third set extends through the precooler/reheater in heat exchange relationship with the first set. Chilled gas passes in heat exchange relationship in a direction perpendicular to the incoming gas so that the incoming gas chilled in the evaporator exchanges heat with the incoming gas in the precooler/reheater.11-08-2012
20130145793Direct Expansion Evaporator - 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.06-13-2013
20120272679EVAPORATOR PHASE CHANGE THERMAL SIPHON - An evaporator having a manifold and a plurality of refrigerant tubes extending downward in the direction of gravity from the manifold. The evaporator includes at least one PCM housing engaging the upper portion of the refrigerant tube for storing a phase change material. When operating in a first operating mode, heat is transferred from the phase change material to the refrigerant to freeze and cool the phase change material. When operating in a second operating mode, heat is transferred from the refrigerant to the frozen phase change material to condense the refrigerant. The condensed refrigerant falls downwardly through the tubes and receives heat from a flow of air to cool the air and evaporate the refrigerant. The evaporated refrigerant rises upwardly back to the low pressure of the cold manifold.11-01-2012
20110154855Evaporator with cool storage function - An evaporator with a cool storage function includes a plurality of flat refrigerant flow tubes spaced apart from one another, and a plurality of flat cool storage material containers each of which contains a cool storage material and is disposed on one side of the corresponding refrigerant flow tube, and is brazed to the corresponding refrigerant flow tube. The cool storage material container includes a container body brazed to the corresponding refrigerant flow tube, and an internal-volume-increasing portion which extends downstream from the container body, which projects downstream from the refrigerant flow tube, and which is greater in dimension in a thickness direction than the container body. An inner fin extending from the container body to the internal-volume-increasing portion is disposed in the cool storage material container. This evaporator is suitable for a refrigeration cycle which constitutes a car air conditioner.06-30-2011
20110154854EVAPORATOR WITH INTERNAL RESTRICTION - An evaporator includes a vaporization chamber having a monomer inlet and a vapor outlet. There is a vapor nozzle in the vapor outlet. The evaporator also includes a collar positioned between the vaporization chamber and the vapor nozzle which increases the pressure in the evaporation chamber while the conductance through the nozzle is substantially unchanged.06-30-2011
062525000 With particular flow distributor to sections 9
20090158772EVAPORATOR - An evaporator (06-25-2009
20090282861AIR CONDITIONING APPARATUS - A supercooling heat exchanger of an air conditioning apparatus is configured to exchange heat between a high-pressure refrigerant and a low-pressure refrigerant. The supercooling heat exchanger is divided into first and second heat exchangers. One of the first and second heat exchangers is disposed so that the high-pressure refrigerant and the low-pressure refrigerant flow countercurrent to each other. The other of the first and second heat exchangers is disposed so that the high-pressure refrigerant and the low-pressure refrigerant flow parallel to each other. Preferably, both heat exchangers have a high-pressure liquid refrigerant pipe that is wound around the external periphery of a low-pressure refrigerant suction pipe. The heat exchangers are thereby reduced in size.11-19-2009
20120096894EVAPORATOR - A leeward upper header portion of an evaporator includes first through third sections which communicate with upper ends of heat exchange tubes of first through third tube groups of a leeward tube row. The second tube group, which is an upward flow tube group, and the third tube group, which is a downward flow tube group, form a tube group set. A baffle plate is provided in the second section to be located on the side toward the third section. The baffle plate divides a portion of the interior of the second section into upper and lower spaces and prevents flow of refrigerant toward the upper space. A flow prevention member is provided below the baffle plate so as to prevent flow of refrigerant from the second section into the third section. These two sections communicate with each other in a region above the baffle plate.04-26-2012
20100089095MULTI-PASS HEAT EXCHANGERS HAVING RETURN MANIFOLDS WITH DISTRIBUTING INSERTS - A multi-pass heat exchanger having a return manifold with a partition, a front wall, and a rear wall is provided. The partition separates the return manifold into a collection chamber and a distribution chamber. The front and rear walls define a fluid channel. The front wall has a plurality of perforations placing the fluid channel in separate fluid communication with the collection chamber and the distribution chamber.04-15-2010
20090090130Evaporator Unit - An evaporator unit includes a first heat exchanger configured to perform heat exchange between refrigerant flowing thereinto from a refrigerant inlet and air, a bypass passage through which the refrigerant flowing from the refrigerant inlet flows while bypassing the first heat exchanger, a second heat exchanger configured to perform heat exchange between air and mixed refrigerant in which the refrigerant after passing through the first heat exchanger and the refrigerant having passed through the bypass passage are mixed, and a flow amount adjustment portion configured to adjust a flow amount of the refrigerant flowing through the first heat exchanger and a flow amount of the refrigerant flowing through the bypass passage. Accordingly, the first heat exchanger and the second heat exchanger can be configured to have respectively portions in which a dryness of the refrigerant is in a range between 0.6 and 0.9.04-09-2009
20100212353REFRIGERANT DISTRIBUTION SYSTEM - A refrigerant distribution system has a plurality of chambers formed inside a refrigerant distribution plate, each of the plurality of chambers extending from one end of the refrigerant distribution plate into the refrigerant distribution plate; and a plurality of holes formed in each of the plurality of chambers, the plurality of holes fluidly communicating each of the plurality of chambers with an outside of the refrigerant distribution place. The evaporator may be oriented such that the refrigerant flows horizontally with respect to gravity. The present invention may improve the thermal performance of the evaporator while the evaporator is oriented sub-optimally. Often, with horizontal flow through an evaporator, the refrigerant phases, liquid and vapor, may separate in the manifold, resulting in poor distribution of refrigerant in the evaporator core. The refrigerant distribution plate of the present invention evenly distributes the refrigerant in the core.08-26-2010
20100319395HEAT EXCHANGER - An heat exchanger for use in a vapor compression system is disclosed and includes a shell, a first tube bundle, a hood and a distributor. The first tube bundle includes a plurality of tubes extending substantially horizontally in the shell. The hood covers the first tube bundle. The distributor is configured and positioned to distribute fluid onto at least one tube of the plurality of tubes.12-23-2010
20100031698Heat exchanger - An evaporator includes two header tanks and a plurality of heat exchange tubes disposed therebetween. The interior of a refrigerant inlet header section of the first header tank is divided into two spaces by a first flow diverging plate. The heat-exchange-tube-side space of the refrigerant inlet header section is divided into a plurality of sections by a first partition plate. Flow diverging openings are provided in portions of the first flow diverging plate facing the sections. The interiors of first and second intermediate header sections of the second header tank are each divided into sections, equal in number to those of the refrigerant inlet header section. The heat exchange tubes communicating with the sections of the refrigerant inlet header section communicate with the sections of the first intermediate header section, and the sections of the first intermediate header section communicate with the corresponding sections of the second intermediate header section.02-11-2010
20130111946EXPANSION UNIT FOR A VAPOUR COMPRESSION SYSTEM - An expansion device unit (05-09-2013
062526000 Serially connected 1
20120103009HYBRID SERIAL COUNTERFLOW DUAL REFRIGERANT CIRCUIT CHILLER - A dual refrigerant circuit chiller (05-03-2012
062527000 Flow controller or boiling expeditor 8
20100064724FLOODED PLATE HEAT EXCHANGER - The present invention discloses a heat exchanging apparatus including a plate type heat exchanger auxiliary vessel arrangement whereby the auxiliary vessel contains fluid in more than one phase to enable the corresponding plate type heat exchanger to be flooded with heat exchanger fluid in order to fully employ its heat exchange surfaces in the task of exchanging heat.03-18-2010
20090025420Air Conditioner - An air conditioner that reverses and appropriately controls the stream of refrigerant between paths of a flow divider corresponding to an air conditioner heat exchanger having a plurality of paths to increase the heat exchange capacity is provided. The air conditioner includes a compressor, a four-way valve, an outdoor heat exchanger, a restriction device, and an indoor heat exchanger including a plurality of paths. These members are sequentially connected by a refrigerant pipe to form a refrigerant circuit. A flow divider including a plurality of paths is arranged between the indoor heat exchanger, which includes the plurality of paths, and the restriction device. A refrigerant flow amount regulation valve is provided for each of the plurality of paths in the flow divider. In a predetermined operation state, more refrigerant is distributed to a predetermined passage in which the processing capacity is large and the refrigerant temperature at an outlet of the indoor heat exchanger is high in comparison with other paths.01-29-2009
20100192624HEAT EXCHANGE SYSTEM - A heat exchange system includes an outdoor heat exchanger, an indoor heat exchanger, a compressor, an expansion valve, a capillary tube, and a cooling jacket. The compressor is provided on a first path that is one of two paths connecting the outdoor heat exchanger and the indoor heat exchanger, and the expansion valve, the capillary tube and a check valve are provided on a second path of the two paths connecting the outdoor heat exchanger and the indoor heat exchanger that is opposite to the path on which the compressor is provided. The cooling jacket for cooling an object to be cooled is provided between the expansion valve and the capillary tube.08-05-2010
20100037652MULTI-CHANNEL HEAT EXCHANGER WITH MULTI-STAGE EXPANSION - An expansion device for a heat exchanger having a manifold and a plurality of mini- and or micro-channels. The expansion device has an outer element having a plurality of orifices therethrough that is received in the manifold, and an inner element telescopically received in the outer element having at least one orifice therethrough and being in fluid communication with the plurality of orifices. Fluid passing through the at least one orifice and through the plurality of orifices is expanded and reduced in pressure prior to entering the manifold.02-18-2010
20090013716METHOD AND APPARATUS FOR EQUALIZING A PUMPED REFRIGERANT SYSTEM - A cooling system is provided that comprises: a refrigerant loop having a pump; an evaporator heat exchanger thermally coupled to a heat source, the evaporator plumbed in the loop; a condensing heat exchanger and a receiver plumbed in the loop; and an equalizing conduit plumbed between an inlet to the condenser and the receiver and comprising a flow regulating valve.01-15-2009
20080250813Refrigerating Plate for a Refrigerator or Freezer - The invention relates to a vertical evaporating plate for refrigerating a refrigerator or freezer comprising a roll bond circuit which consists of refrigerant flow channels and comprises descending and ascending sections, wherein at least a part of the channels of the descending section comprise a liquid refrigerant accumulating area of a maximum height (h10-16-2008
20110259042Evaporator unit - An integrated unit is formed by integrally assembling an ejector, a first evaporator that evaporates refrigerant discharged from the ejector, a second evaporator that evaporates the refrigerant drawn into the ejector, a refrigerant dividing portion that adjusts a flow amount of refrigerant flowing in and divided to the nozzle portion and the second evaporator, and a joint in which a refrigerant inlet and a refrigerant outlet are formed. In the joint, there is formed a gas-liquid separation portion that causes refrigerant flowing therein to swirl to separate it into gas and liquid. The ejector, refrigerant dividing portion and joint are arranged in a longitudinal direction of the ejector.10-27-2011
062528000 Adjustable controller 1
20130247609EXPANSION VALVE - An expansion valve according to an embodiment includes a mounting hole: that has its central axis at a height position between a first refrigerant passage and a second refrigerant passage in the body thereof; that is provided so as to penetrate a first side surface and a second side surface; and that is used for inserting, from the side of the second side surface, a bolt for fastening a mounting member on an evaporator side and the body. The mounting hole has, in an inside thereof, a stopper surface for stopping the head of the bolt in an insertion direction, and the stopper surface is formed so as to be located near to the first side surface relative to a central axis of a shaft.09-26-2013

Patent applications in class Evaporator, e.g., heat exchanger

Patent applications in all subclasses Evaporator, e.g., heat exchanger