Class / Patent application number | Description | Number of patent applications / Date published |
165154000 | NON-COMMUNICATING COAXIAL ENCLOSURES | 79 |
20080251241 | Double-Pipe Heat Exchanger and Manufacturing Method Thereof - A double-pipe heat exchanger that is easy to manufacture, and the whole thereof is smoothly bent to serve as part of the piping, and that provides high pressure resistance, wherein an inner tube has a section orthogonal to an axis line thereof in which a plurality of swollen portions in a bladder-like or balloon-like shape in section are formed in a radial direction from the center, mouths of these swollen portions are closed, and the tip ends of respective swollen portions are in contact with the inner surface of an outer tube. | 10-16-2008 |
20080264617 | Heat exchanger - Disclosed herein is a heat exchanger for altering the temperature of water from a fluid circulation line of a recreational body of water. The heat exchanger includes a helical tube-in-tube assembly adapted for flow therethrough of a plurality of fluids for heat transfer therebetween, and the heat exchanger further includes a tank defining a chamber in which said helical tube-in-tube assembly is positioned. In an exemplary embodiment, the chamber is an annular chamber, and the tank includes a cylindrical wall defining an external cavity extending through said tank. | 10-30-2008 |
20090014163 | Temperature Controlled Pipe Systems And Methods - A temperature controlled piping system has at least one pipe section having: an outer pipe; and an inner pipe generally concentric to the outer pipe for transporting temperature sensitive fluid therethrough, the outer and inner pipes forming therebetween at least one temperature control space; such that transmission of temperature controlled fluid through the temperature control space influences temperature of the temperature sensitive fluid flowing through the inner pipe. | 01-15-2009 |
20090120623 | Dual Pipe Heat Exchanger of Instantaneous Boiler for House Heating and Hot Water and Boiler - Disclosed are an instantaneous boiler and a double pipe heat exchanger for the instantaneous boiler supplying heating water and hot water, which can obtain hot water output larger than heating water output, simultaneously use the heating water and the hot water, and have a simple piping structure. The heat exchanger includes: an outer pipe used for a hot water pathway, to which combustion heat is directly transferred from a burner in a combustion chamber; and an inner pipe used for a heating water pathway and extending through the outer pipe. The boiler includes: a heat exchanger including an outer pipe used for hot water pathway, to which combustion heat is directly transferred from a burner in a combustion chamber, and an inner pipe used for heating water pathway, which extends through the outer pipe; a heating water supply pipe connected to the inner pipe of the heat exchanger; a heating water line connected to the heating water supply pipe; and a heating water returning pipe connected to the inner pipe, wherein the inner pipe of the heat exchanger, the heating water supply pipe, the heating water line, and the heating water returning pipe are connected to one another in series. | 05-14-2009 |
20090139700 | HEAT EXCHANGER - A heat exchanger that is applicable to a pump and a system where a plurality of tubular elements or cores, each comprising a support cylinder or half-cylinder and at least one curved heat exchange plate. Each plate separating a first cavity from a second cavity where the first cavity contains a liquid and the second cavity receiving a coolant causing the thermal expansion or contraction of the plate. The heat exchanger according to the invention makes it possible to withstand high mechanical stresses. This design makes it better to withstand high pressures despite a large diameter of the cylindrical heat exchange plates without an increase to the thickness of these plates. The pressure being exerted on the tubular elements is primarily radially, more particularly from the outside to the inside for the thinnest cylindrical heat exchange plate in contact with the cavity containing cold coolant or air. | 06-04-2009 |
20090159248 | Heat exchanger, heat exchanger tube and methods of making and using same - A heat exchanger tube is disclosed herein comprising a first portion, a twisted portion, and a transition portion between the first portion and the twisted portion. The transition portion includes a reinforcing sleeve. A heat exchanger formed from the tube and a method of forming a heat exchanger tube also are disclosed. The tube is useful in making a heat exchanger configured to operate at high pressures without mechanical failure. | 06-25-2009 |
20090250200 | Coaxial-flow heat transfer structures for use in diverse applications - An coaxial-flow heat exchanging structure having a proximal end and a distal end for exchanging heat between a source of fluid at a first temperature and the environment (e.g. air, ground, water, slurry etc.) at a second temperature. The coaxial-flow heat transfer structure comprises: a thermally conductive outer tube section, and an inner tube section having an inner flow channel and being coaxially arranged within the outer tube section. An outer flow channel is formed between the inner and outer tube sections, and helically-extending turbulence generator is provided along the outer flow channel, so as to create turbulence along the flow of heat exchanging fluid flowing between the inner and outer flow channels, and thereby increasing the heat transfer through the walls of the outer tube section to the ambient environment. | 10-08-2009 |
20100032146 | METHOD AND ARRANGEMENT FOR HEAT TREATMENT OF SUBSTRATES - To provide a method and an arrangement for heat treatment of substrates which allow continuously adjustable cooling rates over a wide temperature range with simultaneously largely homogeneous temperature distribution over the area of the heating/cooling plate, a cooling/heating plate is provided containing a multiplicity of cooling/heating pipes running parallel to one another. Each cooling/heating pipe comprises an outer pipe, an inner pipe which can carry a flow, and an interspace between them which can carry a flow. Each inner pipe is connected to a supply line for water and each interspace is connected to a supply line for air, with water and air being routed simultaneously though the cooling/heating plate. | 02-11-2010 |
20100044020 | HYDROGEN GAS-COOLING DEVICE - A hydrogen gas-cooling device of the present invention includes, a heat exchanger that perform beat exchange between a hydrogen gas and a liquefied gas to cool a hydrogen gas; and a head tank that stores the liquefied gas supplied to the heat exchanger, wherein the heat exchanger has double pipe structure in which the hydrogen gas flows in an inner pipe, an outer pipe is filled with the liquefied gas, the pipe axis of the double pipe structure is vertically or obliquely arranged, a liquefied gas supply pipe that supplies the liquefied gas from the head tank is connected to a bottom part of the outer tube, and a return pipe that returns the liquefied gas to the head tank is provided at a position upper than that of the bottom part of the outer pipe. | 02-25-2010 |
20100230078 | EXHAUST PIPE OF AN AIR CONDITIONER - The present invention discloses an exhaust pipe of an air conditioner. The air conditioner includes a condenser, a first pipe, an air duct and a second pipe. The condenser is located in the air conditioner, an end of the first pipe is close to the condenser, the other end is penetrated out of a side of the condenser, and an interior of the first pipe is provided with the second pipe. An end of the second pipe is connected with the air duct (the air duct is located in the air conditioner), and the other end is penetrated out of the first pipe. Therefore, when the air conditioner is running, hot air is sucked into the condenser through the first pipe and then the circulated hot air is sent out of a room from the second pipe through the air duct, such that indoor temperature can be reduced effectively. | 09-16-2010 |
20100319888 | HEAT EXCHANGER FOR COOLING REACTION GAS, INCLUDING A TUBULAR CONNECTION BETWEEN A COOLED TUBE AND AN UNCOOLED TUBE - A heat exchanger for cooling reaction gas. A cooled tube receives hot reaction gas from a hot, uncooled tube. The cooled tube comprises a cooled inner tube and a tubular jacket that extends about the inner tube. A tubular connection is disposed between the uncooled and the cooled tubes, and includes a fork-shaped inlet head via which the inner tube is in communication with the uncooled tube. The inlet head is provided with an outer tubular section and an inner tubular section between which is disposed an intermediate space filled with heat-insulating material. The outer tubular section is connected to the tubular jacket. The inner tubular section is spaced slightly axially from the inner tube and is provided with an edge region that juts outwardly and is spaced slightly axially from the inner tube, this slight axial spacing being equal to or less than a maximum thermal expansion of the inlet head. A U-shaped sealing ring is disposed between facing end faces of the inner tube and the inner tubular section, and is disposed in a recess formed in the end face of the inner tubular section, the recess being disposed radially outwardly of the edge region of the inner tubular section. | 12-23-2010 |
20100326640 | Double-wall-tube heat exchanger - A double-wall-tube heat exchanger has outer and inner tubes. A clearance between the outer and inner tubes and the interior of the inner tube serve as refrigerant flow paths. Opposite end portions of the inner tube project from opposite ends of the outer tube. The outer tube includes expanded portions formed near the opposite ends. Contracted portions are formed on the outer tube to be located on the outer sides of the expanded portions, and are brazed to the inner tube. Longitudinally extending ridges project radially inward from the inner circumferential surface of the outer tube at predetermined circumferential intervals. The ridges on the inner circumferential surfaces of the expanded portions and the contracted portions are crushed. The clearances between the inner tube and portions of the contracted portions of the outer tube where the ridges are not formed are filled with a brazing filler metal. | 12-30-2010 |
20110030933 | HEAT EXCHANGER WITH CONCENTRIC TUBES - The invention relates to an improved concentric tube heat exchanger. The exchanger comprises a cylindrical tube ( | 02-10-2011 |
20110056662 | REFRIGERANT COOLING APPARATUS - A refrigerant cooling apparatus is provided, in which a circulating refrigerant may be cooled to a prescribed temperature efficiently in a stable condition even when the cooling temperature of the circulating refrigerant is near the freezing point of the circulating refrigerant. This apparatus is one which cools the circulating refrigerant by countercurrent indirect heat exchange between a circulating refrigerant which cools objects to be cooled such as a low temperature reaction vessel | 03-10-2011 |
20110120682 | METHOD AND DEVICE FOR THE ABSORPTION OF HEAT IN A VACUUM COATING APPARATUS - An apparatus and method for heat absorption in vacuum coating installations includes an absorber having a line system to supply a coolant. The line system is enclosed by a jacket tight relative to the vacuum chamber, flow spaces are arranged between the line system and the jacket, which are connected to a source of heat exchanger medium so that the line system is flowed around by a heat exchanger medium sealed relative to the vacuum chamber. | 05-26-2011 |
20110139415 | CONNECTION DEVICE FOR A COAXIAL TUBE HEAT EXCHANGER - A connection device of a double-walled heat exchanger tube is provided, in particular for the heat exchanger of a motor vehicle air conditioning system. The heat exchanger tube has an outer tube and an inner tube that runs coaxially inside the outer tube spaced radially apart from it. The connection device further has a fitting for accommodating radially overlapping end sections of the inner and outer tube. The outer and inner tubes according to the invention are at least sectionally joined together without soldering in the area of the fitting, and with the fitting. | 06-16-2011 |
20110139416 | Internal Heat Exchanger for Air Conditioning System of Motor Vehicle and Such a Circuit - The present invention relates to an internal heat exchanger of the coaxial tubular type for a motor vehicle air-conditioning circuit, comprising two, low-pressure and high-pressure, portions through which a coolant flows, and to a corresponding air-conditioning circuit incorporating same. | 06-16-2011 |
20110168368 | HEAT EXCHANGER - A heat exchanger is provided which may include a first heat exchange tube in a pipe shape, including a first fluid inlet, into which a first fluid may be introduced and flow, and a first fluid outlet, through which the first fluid may be discharged; a second heat exchange tube that passes through the first heat exchange tube, including a second fluid inlet, into which a second fluid may be introduced and flow, and a second fluid outlet, through which the second fluid may be discharged; and a third heat exchange tube that includes a third fluid inlet, into which the second fluid discharged through the second fluid outlet may be introduced and flow, and a third fluid outlet, through which the second fluid may be discharged, the third fluid outlet enclosing an external surface of the first heat exchange tube. | 07-14-2011 |
20110168369 | HEAT EXCHANGER - A heat exchanger is provided which may include a first pipe, into which a first fluid may be introduced and flow, and a second pipe disposed in the first pipe, into which a second fluid may be introduced and flow. The first and second pipes may contact each other, to prevent the second pipe from vibrating. | 07-14-2011 |
20110174469 | DOUBLE-PIPE HEAT EXCHANGER - A double-pipe heat exchanger is provided. The double-pipe heat exchanger may include a first heat exchange tube having a first hollow portion, and a second heat exchange tube disposed inside the first heat exchange tube, so as to be co-axial with the first heat exchange tube and having a spiral part in which multiple ridges and grooves are formed at an inner surface of the spiral part. | 07-21-2011 |
20120073792 | APPARATUS FOR RECLAIMING WASTE HEAT FROM A HEATING DEVICE FLUE PIPE - A waste heat reclamation apparatus for reclaiming combustion gases from a heating unit. The apparatus includes a flue section that engages the given heating unit's flue stack and selectively bypasses flue gases into a bypass section of the apparatus. The bypass section includes a fluid jacket for heat transfer of waste heat in the flue gases to a heat absorbing fluid of a fluid-based heating system. The bypass section and flue section route flue gases by way of offset conduits which promotes swirling action of the flue gases within the bypass section. The fluid jacket also includes baffles which promote mixing of the heat absorbing fluid along a circuitous path. The swirling action and mixing in the circuitous path increase the efficiency of heat transfer without adding mechanical complexity to the apparatus. | 03-29-2012 |
20120193079 | Heat Exchanging Insert and Method for Fabricating Same - A heated energy system includes an integral ceramic insert heat exchanger having an integral ceramic construction and an outer ceramic wall that is helical in shape. When the heat exchanger is positioned within a surrounding fluid path enclosure, the outer ceramic wall forms, with the enclosure, at least one spiral path for flowing products of energy generation. No more than one insert body has an outer wall that is helical in shape that is present along the first length of the surrounding fluid path enclosure. The outer ceramic wall receives heat energy when the products of energy generation flow through the fluid path. | 08-02-2012 |
20120199326 | INTERNAL HEAT EXCHANGER - A heat exchanger includes an outer tube and an inner tube coaxially arranged within the outer tube. Both of the outer tube and the inner tube include a fluid channel formed therein. A first fluid flows through the fluid channel of the outer tube, and a second fluid, in heat exchange relationship with the first fluid, flows through the fluid channel of the inner tube. At least one heat conductive feature is formed between the outer tube and the inner tube, and on an inner surface of the inner tube to maximize a heat exchange between the fluids. | 08-09-2012 |
20120205082 | Simplified flow shell and tube type heat exchanger for transfer line exchangers and like applications - A shell and tube heat exchanger (which can be a boiler) which includes a plenum chamber defined by at least one of the tube-sheets and a diaphragm plate. In this plenum chamber a system of outer and inner annuli around each of the tubes created by a system of baffle tubes that surround each fluid tube and a holes in the thick tube-sheet of the exchanger. This arrangement allows the high pressure cooling fluid in the shell to keep the high temperature low pressure fluid tube inlet, and the associated tube-sheet cool under very high hot fluid flow rates at lower cost, smaller footprint and with lower pressure loss of the low pressure hot fluid than previous art. | 08-16-2012 |
20120222845 | Coaxial Gas-Liquid Heat Exchanger With Thermal Expansion Connector - A co-axial gas-liquid heat exchanger such as a charge air cooler comprises at least three concentric tubes forming at least two annular flow passageways. One end of the inner tube is rigidly attached to the middle tube by a thermal expansion connector including an inner connecting portion secured to the first end of the inner tube, an outer connecting portion secured to an inner surface of the middle tube; and one or more webs connecting the inner connecting portion to the outer connecting portion. The webs extend across the annular gas flow passageway but permit the hot gas to flow therethrough. The other end of the inner tube is free to expand in the longitudinal direction, relative to the middle and outer tubes. In some embodiments, the inner connecting portion forms part of a central plug portion which blocks an end of the inner tube. | 09-06-2012 |
20120279690 | FLEXIBLY ADJUSTABLE HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM - A heat exchanger for a motor vehicle air conditioning system is provided. The heat exchanger includes an inner tube through which a heat exchanger medium can flow and a flexible outer tube that at least regionally envelops the inner tube with the formation of a flow-through intermediate space. The inner tube exhibits a tubular section that enables a change in length and/or direction of the inner tube and runs inclined relative to the longitudinal direction of the outer tube. | 11-08-2012 |
20120279691 | HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM - A heat exchanger for a motor vehicle air conditioning system is provided. The heat exchanger includes an inner tube configured to carry a heat exchanger medium and an outer tube that at least regionally envelops the inner tube with an intermediate space between the inner tube and the outer tube. A separating web extends between the inner tube and the outer tube and is configured to divide the intermediate space into at least two flow channels. In an axial section of the inner tube and the outer tube, the separating web fluidically couples the flow channels with each other as viewed in a circumferential direction of the inner tube. | 11-08-2012 |
20120312512 | HEAT EXCHANGER - The invention relates to a heat exchanger, in particular for a synthesis gas installation, for the heat exchange between a first and a second medium (W, G), comprising a shell ( | 12-13-2012 |
20130048257 | HEAT FINS AND RELATED SYSTEMS AND METHODS - A heat fin includes first and second halves, each half including a curved portion configured to partially surround a pipe, and a plurality of planar portions spaced generally evenly from one another. Each of the planar portions extends outwardly from the curved portion and generally runs along the entire length of the respective half it is part of. The first and second halves are configured to be bolted to one another around a pipe. A system includes a large scale container having product contained therein, an internal coil within the large scale container having a heating medium flowing therethrough, and a heat fin secured to the internal coil. The heat fin increases heat transfer from the heating medium flowing through the internal coil into the product contained in the large scale container. | 02-28-2013 |
20130062041 | MULTI-LAYERED HEAT TRANSFER TUBE, MANUFACTURING METHOD OF MULTI-LAYERED HEAT TRANSFER TUBE, AND FORMING DEVICE USED IN THE MANUFACTURING METHOD - A multi-layered heat transfer tube for use in a carburetor for a liquefied gas, comprising an inner tube which is equipped with a passage through which a liquefied gas can pass and an outer tube which covers the outer peripheral surface of the inner tube, wherein each of the inner tube and the outer tube has multiple fins that extend in the direction of the length of the multi-layered heat transfer tube and are arranged along the direction of the circumference of the multi-layered heat transfer tube, at least the outer tube is composed of a fully dense material, and the outer tube covers the entire outer surface of the inner tube and is bound to the inner tube via a metallic bond. | 03-14-2013 |
20130112380 | HEAT EXCHANGER - The heat exchanger uses multi-layer tubes, performing efficient heat exchange. Each heat transfer tube includes an outer tube and an inner tube. Header unit directs first fluid through gaps between the inner tube and the outer tube from outer circumferences of the inner tube. The header units are stacked in a top-bottom direction with gap-forming members therebetween, leaving predetermined gap portion. Furthermore, a header cover directs the second fluid through the inner tubes extending from the header units, and is fitted from the outer side, and the second fluid is introduced. With this configuration, the second fluid flowing from the header cover is directed through the inside of the inner tubes and over outer surfaces of the outer tubes along the axial direction via the gap portions, enabling heat exchange to be performed from both inside and outside of the outer tubes. | 05-09-2013 |
20130146262 | DOUBLE PIPE HEAT EXCHANGER HAVING MULTI-DIRECTIONAL CONNECTOR AND AIR CONDITIONER FOR VEHICLE INCLUDING THE SAME - The present invention relates to a dual pipe heat exchanger and an air conditioner for a vehicle including the same. The present invention relates to a dual pipe heat exchanger having a multi-directional connector construction in which a connector forming the dual pipe heat exchanger includes a first block and a second block and positions where a first fluid supply pipe and internal and external pipes are combined and where a second fluid supply pipe is combined can be freely set, and an air conditioner for a vehicle including the same. | 06-13-2013 |
20130192804 | DOUBLE PIPE FOR HEAT EXCHANGER - A double pipe for a heat exchanger includes an inner pipe having a plurality of spiral projections extending radially outward from an outer peripheral surface of the inner pipe. An outer pipe is disposed around the inner pipe. At least an inner peripheral surface of the outer pipe is at least substantially smooth and has an at least substantially circular cross section. The inner peripheral surface of the outer pipe contacts all of the projections of the inner pipe so as to define a plurality of peripherally-separated, outer flow paths between the inner pipe and the outer pipe. Fluid flowing within an inner flow path defined by the inner pipe exchanges heat with fluid flowing through the outer flow paths. Furthermore, an inscribed circle of the inner pipe has a first diameter (d | 08-01-2013 |
20130213620 | HEAT EXCHANGER ELEMENT - There is provided a heat exchanger element having a cylindrical outer peripheral wall and partition walls which are made mainly of SiC and form a plurality of cells functioning as passages for a first fluid inside the outer peripheral wall. More specifically, in the heat exchanger element, the outer peripheral wail and the partition wails mediate heat exchange between the first fluid and the second fluid, and the thickness T of the outer peripheral wall, the equivalent circle diameter D calculated from the area of the portion inside the outer peripheral wall in a cross section perpendicular to an axial direction of the outer peripheral wall, and thickness t of the partition walls satisfy the following formulae (1) to (3): Formula (1): 0.3 mm≦T≦4.0 mm, Formula (2): 15 mm≦D≦120 mm, and Formula (3): 0.04×T≦t≦0.6 mm. | 08-22-2013 |
20130248159 | HEAT CONDUCTION MEMBER - A heat conduction member includes: a cylindrical ceramic body, a metal pipe on the outer periphery side of the cylindrical ceramic body, and an intermediate member held between the cylindrical ceramic body and the metal pipe. The cylindrical ceramic body has passages passing through from one end face to the other end face and allowing the first fluid to flow therethrough. The intermediate member is made of material having at least a part having a Young's modulus of 150 Gpa or less. The first fluid is allowed to flow through the inside of the cylindrical ceramic body while the second fluid having lower temperature than that of the first fluid is allowed to flow on the outer peripheral face side of the metal pipe to perform heat exchange between the first fluid and the second fluid. | 09-26-2013 |
20130299143 | INTERNAL HEAT EXCHANGER - The present invention provides a heat exchanger having an inner tube forming an inner flow path and having an inlet and an outlet; an outer tube radially surrounding at least a portion of the inner tube and spaced radially outwardly therefrom to form an annular space; and a thermally conductive spiral element wound around the inner cube and disposed in the space, wherein the spiral element forms, in conjunction with the inner tube and the outer tube, a helical flow path through the space, the helical flow path in fluid communication with an inlet and an outlet of the outer tube, and wherein the outer tube is thermally isolated from the spiral element. The invention further provides for collars connecting the outer tube to the inner tube. | 11-14-2013 |
20140027097 | Heat Exchanger for an Intercooler and Water Extraction Apparatus - A heat exchanger assembly is provided which may be modularly constructed for inline or off engine installation. A water extraction device is also provided which may be used independently or with the heat exchanger to remove water from a fluid flowpath. | 01-30-2014 |
20140060785 | QUIETER IHX DESIGN - A double pipe internal heat exchanger including a pipe, a first ferrule, a second ferrule, and a flexible hose. The pipe defines an inner channel. The first ferrule and a second ferrule are mounted to the pipe and spaced apart along the pipe. The flexible hose is mounted to the first ferrule and the second ferrule. The flexible hose defines an outer channel between the pipe and the flexible hose. | 03-06-2014 |
20140083660 | HEAT RECOVERY SYSTEM - A double pipe configuration for an HVAC system comprising an outer pipe, where the outer pipe is a hot gas exhaust pipe; an inner pipe positioned within the outer pipe, where the inner pipe is a cold air intake pipe, and where the cold air of the inner pipe is warmed by the hot exhaust of the outer pipe; and a plurality of radial fins to support the inner pipe within the outer pipe, where the radial fins redirect the heat within the outer pipe to warm the cold air within the inner pipe. The double pipe configuration may also be configured with a 90 degree elbow structure or a 45 degree bend structure to allow for the pipe to be positioned around objects. | 03-27-2014 |
20140151003 | AIR-BASED COOLING FOR DATA CENTER RACK - A high-velocity low-pressure cooling system ( | 06-05-2014 |
20140151004 | Internal Heat Exchanger for an Air Conditioning System - An internal heat exchanger for an air conditioning system, comprising an outer tube and a line structure arranged inside the outer tube defining a meandering serpentine first flow channel, with the second flow channel formed between the outer tube and the line structure. The first flow channel is formed by extruded components joined together to form a unitary structure inserted into the second flow channel which includes facing channel elements defining a serpentine path and two shells adhered to the channel elements defining the sides of the flow path and having fins extending perpendicular to the base disposed in the second flow channel. | 06-05-2014 |
20140151005 | METHOD FOR EXTRACTION HEAT FROM AN EFFLUENT, ESPECIALLY WASTE WATER, CIRCULATING IN A CONDUIT, HEAT EXCHANGER AND MATERIAL FOR IMPLEMENTING SAID METHOD - The invention relates to a method for extracting heat from an effluent ( | 06-05-2014 |
20140166251 | HEAT TRANSFERRING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The disclosure provides a heat transferring device and a method for manufacturing the heat transferring device. The heat transferring device includes: a flexible heat transfer substrate including a first surface, a second surface, at least one solid portion and at least one characteristic hole portion. The at least one solid portion is formed between the first surface and the second surface. The at least one characteristic hole portion includes several characteristic holes penetrating through the first surface and the second surface. The flexible heat transfer substrate further includes: a first end and a second end, and the second end is corresponding to the first end. The flexible heat transfer substrate is rolled from the first end towards the second end to form the heat transferring device with a predetermined shape. | 06-19-2014 |
20140196875 | FEED RATIO CONTROL FOR HTER - A method for designing the construction of a Heat Exchange Reformer (HER) to minimise metal dusting, and a method for improved thermal control in a Heat Exchange Reformer (HER). By analysis of various parameters related to a Main Reforming Unit (MRU) and a Heat Exchange Reformer (HER), improved thermal control and reduced metal dusting is achieved. | 07-17-2014 |
20140262171 | TUBE BUNDLE FOR SHELL-AND-TUBE HEAT EXCHANGER AND METHOD OF CONSTRUCTING SAME - A tube bundle is provided for a shell-and-tube heat exchanger. The tube bundle includes a plurality of elongated tubes, each of which has an intermediate portion that has a cross section in the form of a flattened circle with at least one axis of symmetry. The ends of the tubes may have a circular cross section, with the diameter of one of the circular ends being less than the other end and also less than the length of a shorter axis of symmetry of the intermediate portion of the tube. This tube construction allows the tube bundle to be assembled by inserting the smaller-diameter end of the tube through the aligned openings in the spaced-apart baffles in the tube bundle. The non-circular cross section of the intermediate portion of the tubes increases the tube-side and shell-side heat transfer coefficients. | 09-18-2014 |
20140262172 | TUBE BUNDLE FOR SHELL-AND-TUBE HEAT EXCHANGER AND A METHOD OF USE - A tube bundle is provided for a shell-and-tube heat exchanger. The tube bundle includes a plurality of elongated tubes, each of which has an intermediate portion that has a cross section in the form of a flattened circle with at least one axis of symmetry. The tubes are arranged in concentric circles with the axis of symmetry extending tangentially to the circle to facilitate rotational flow of a shell-side fluid. | 09-18-2014 |
20140305618 | Heat Exchanger And Method Of Making Thereof - A heat exchanger includes an inner tube extending longitudinally along a central axis and having an inner surface bounding a product chamber and an outer surface having a plurality of channels disposed at circumferentially spaced intervals in alternating relationship with a plurality of fins about the circumference of the outer surface of the inner tube; and a longitudinally extending outer tube disposed coaxially about and circumscribing the inner tube in radially spaced relationship, the outer tube having an inner surface contacting the plurality of fins of the inner cylinder, the outer surface being welded to the fins at a plurality of weld locations. | 10-16-2014 |
20140318752 | REFRIGERANT TO WATER HEAT EXCHANGER - A heat exchanger having at least one inner conduit comprising of a second tubular member coaxially disposed within a first tubular member, wherein the second tubular member outer surface is in contact with the first tubular member inner surface. Each of the first and second tubular members is composed of a material with an approximately 0.015 inch maximum wall thickness. | 10-30-2014 |
20140326438 | INTERNAL HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM - A heat exchanger for a motor vehicle air-conditioning system is disclosed having an inner tube and with an outer tube. The outer tube at least partially encloses the inner tube in the longitudinal direction of the tube and form an intermediate space through which a heat exchanger medium can flow. Radially extending web at least partially divided the intermediate space into multiple flow channels between the inner tube and the outer tube. The multiple flow channels open in the longitudinal direction into a distributor or collector space formed through a radial tapering of the inner tube. | 11-06-2014 |
20140332191 | EXTREME ENVIRONMENT HEAT EXCHANGER - The heat exchanger ( | 11-13-2014 |
20140360706 | Laboratory Condensers With Passive Heat Exchange - The present invention relates to a condenser for condensing gasses. The condenser comprises: an inner tube ( | 12-11-2014 |
20150034283 | ARCHITECTURAL HEAT AND MOISTURE EXCHANGE - An architectural heat and moisture exchanger. The exchanger defines an interior channel which is divided into a plurality of sub-channels by a membrane configured to allow passage of water vapor and to prevent substantial passage of air. In some embodiments, the exchanger includes an opaque housing configured to form a portion of a building enclosure, such as an exterior wall, an interior wall, a roof, a floor, or a foundation. | 02-05-2015 |
20150068716 | EXHAUST GAS HEAT EXCHANGER - An exhaust gas heat exchanger, in particular for use in a motor vehicle, having at least one first flow channel that conducts a first fluid, which first flow channel is accommodated in respective tube sheets at end areas of the first flow channel. A housing surrounds the first flow channel and forms a second flow channel for a second fluid that flows through the housing and flows around the first flow channel. Pipe sheets are inserted into the housing such that the first flow channel is sealed off from the second flow channel. A first diffusor conducts the first fluid into the first flow channel and a second diffusor conducts the first fluid out of the first flow channel. A first shielding element has a first passage and a first spacing element is placed onto a tube sheet from the side facing away from the first flow channel. | 03-12-2015 |
20150107806 | DOUBLE-WALLED HEAT EXCHANGER TUBE - A heat exchanger for a motor vehicle, in particular an exhaust gas heat exchanger, includes an outer casing in which heat exchanger tubes are arranged as bundles. At least one heat exchanger tube is configured double-walled, and formed from an outer tube and an inner tube, wherein a first medium flows in the casing and/or in the inner tube and a second medium flows between the outer tube and the inner tube. | 04-23-2015 |
20150136367 | HEAT EXCHANGER HAVING A PLURALITY OF HEAT EXCHANGE TUBES - A heat exchanger is provided which may include a first heat exchange tube in a pipe shape, including a first fluid inlet, into which a first fluid may be introduced and flow, and a first fluid outlet, through which the first fluid may be discharged; a second heat exchange tube that passes through the first heat exchange tube, including a second fluid inlet, into which a second fluid may be introduced and flow, and a second fluid outlet, through which the second fluid may be discharged; and a third heat exchange tube that includes a third fluid inlet, into which the second fluid discharged through the second fluid outlet may be introduced and flow, and a third fluid outlet, through which the second fluid may be discharged, the third fluid outlet enclosing an external surface of the first heat exchange tube. | 05-21-2015 |
20150323263 | DOUBLE-PIPE HEAT EXCHANGER AND REFRIGERATION CYCLE SYSTEM - In a double-pipe heat exchanger, a groove non-forming range is set as a non-groove surface in each of, in an inner surface of a heat transfer area increasing pipe, an inner surface of a part of the heat transfer area increasing pipe, which is held in close contact with an inner surface of an outer pipe, and a part of the inner surface of the outer pipe, which defines a second flow path in cooperation with an outer surface of the heat transfer area increasing pipe. | 11-12-2015 |
20150369543 | HEAT EXCHANGER AND METHOD OF MANUFACTURING SAME - A heat exchanger includes: a pair of end plates closing opposite ends of a cylindrical core case; and a plurality of heat exchange tubes each supported at opposite end portions by the end plates, a first heat medium being caused to flow through the interior of the tubes, each of the tubes being formed by: bending a plate material so that opposite side edge portions of the bent plate material are superimposed on each other, one of the superimposed side edge portions, located inward of the other of the superimposed side edge portions, forming an inner plate portion, the other of the superimposed side edge portions forming an outer plate portion; and then causing a first weld bead, disposed through the thickness of one of the inner and outer plate portions, to be fused to the other plate portion. | 12-24-2015 |
20160047603 | WASTE HEAT RECOVERY AND CONVERSION SYSTEM AND RELATED METHODS - Various embodiments of a waste heat recovery and conversion system are disclosed. In one exemplary embodiment, the waste heat recovery system may include a heat exchanger for transferring heat from a first fluid to a second fluid and a power conversion unit configured to convert the energy transferred from the first fluid to the second fluid into usable energy. The heat exchanger may include an outer duct defining an inlet and an outlet through which the first fluid flows in and out, respectively, of the outer duct. The heat exchanger may also include an inner duct disposed inside the outer duct and defining an inner channel inside the inner duct and an outer channel between an outer surface of the inner duct and an inner surface of the outer duct. The inner duct may define an internal flow channel through which the second fluid flows to exchange heat energy with the first fluid. | 02-18-2016 |
20160076489 | EXHAUST GAS HEAT EXCHANGER - An exhaust-gas heat exchanger having a housing and a first flow channel. The first flow channel is accommodated in the housing in such a way that a second flow channel is formed between the first flow channel and the housing. A first fluid can flow through the first flow channel and a second fluid can flow through the second flow channel. The second fluid can flow around the first flow channel. The housing has a first diffuser and a second diffuser at an end of the housing and at least one of the diffusers is made of a plastic. | 03-17-2016 |
20160138873 | ROUND HEAT EXCHANGER - A heat exchanger includes a first fluid laminate defining a first fluid cavity that is in fluid communication with and downstream from a first inlet such that at least some of the first fluid flows into the first fluid cavity. The heat exchanger includes a second fluid laminate positioned adjacent to and in contact with the first fluid laminate. The first fluid laminate and the second fluid laminate define a portion of a cylinder. The second fluid laminate defines a second fluid cavity that is in fluid communication with and downstream from a second inlet such that at least some of the second fluid flows into the second fluid cavity, such that heat may transfer between the first fluid and the second fluid via the first fluid laminate and the second fluid laminate. | 05-19-2016 |
20160169587 | RIBBED TUBELESS HEAT EXCHANGER FOR FLUID HEATING SYSTEMS INCLUDING A RIB COMPONENT AND METHODS OF MANUFACTURE THEREOF | 06-16-2016 |
20160187072 | FIN-TUBE HEAT EXCHANGER - An exemplary fin-tube construction includes an outer tube, an inner tube disposed within the outer tube, and a plurality of fins extending from an outer surface of the inner tube to an inner surface of the outer tube. The outer tube includes an inner portion and an outer portion. The inner portion, the inner tube, and the fins are formed at least primarily of a first material. The outer portion is formed at least primarily of a second material. | 06-30-2016 |
165155000 | With communicating coaxial enclosure | 2 |
20110094717 | Systems and Methods for Cooling Optical Fiber - In one embodiment, an optical fiber cooling system includes a first cooling tube oriented substantially in parallel with and spaced apart from a second cooling tube such that an optical fiber pathway is positioned between the first cooling tube and the second cooling tube. The first cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the first cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the second cooling tube. The second cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the second cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the first cooling tube. | 04-28-2011 |
20130146263 | HEAT EXCHANGER - A heat exchanger may include an exhaust gas pipe having a plurality of bypass holes formed at an exterior circumference of one end and a valve mounted at another end, exhaust gas selectively flowing into the bypass holes, a case forming a radial outer flowing space, and having coolant exhaust and inflow ports, first and second headers dividing the flowing space, a first connecting member adapted to receive the exhaust gas through the bypass hole, a second connecting member, an oil flowing section including an inner pipe, an outer pipe and an oil line formed between the inner pipe and the outer pipe, and at least one heat radiating unit disposed between the exhaust pipe and the oil flowing section provided with at least one coupling pipe adapted to connect the first header with the second header. | 06-13-2013 |
165156000 | Helical conduit means | 15 |
20080223561 | Heat Exchangers and Headers Therefor - In a first aspect of the present invention, a header for a heat exchanger is disclosed that has an inflow side, an outflow side, a bypass port therebetween, and a pressure-sensitive flapper valve proximal the bypass port. As pressure increases at the inflow side of the header, the flapper valve opens proportionally, and, as pressure decreases at the inflow side, the flapper valve closes proportionally. In a second aspect of the present invention, a tube-in-tube heat exchanger is disclosed that includes a helical tube-in-tube assembly adapted for flow therethrough of a plurality of fluids for heat transfer therebetween. In a third aspect of the present invention, a heat system is provided to include an embodiment of the header and an embodiment of the tube-in-tube heat exchanger, so as to provide a bypass of the tube-in-tube heat exchanger under a pressure condition. | 09-18-2008 |
20090283249 | Dual Pipe Heat Exchanger of Boiler for House Heating and Hot Water - Disclosed is a double pipe heat exchanger for a boiler supplying heating water and hot water, which can prevent water from being condensed even if cold heating water or cold water is introduced into an inlet of the heat exchanger in the boiler for supplying heating water and hot water The heat exchanger includes: a plurality of outer heating water pipes to which combustion heat is applied from a burner of a combustion chamber; a plurality of inner pipes, each of which is inserted in each outer pipe; a returned heating water pipe in which cold heating water is introduced; and a cold water pipe in which cold water is introduced, wherein the returned heating water pipe and the cold water pipe are connected to one of the inner pipes. The heat exchanger has a structure in that returned cold heating water or cold water is firstly introduced into the inner pipe of an heat exchanger, sufficiently preheated, and introduced into the outer pipe of the heat exchanger again, thereby preventing water from being condensed around an inlet of the heat exchanger through which returned cold heating water or cold water is introduced. | 11-19-2009 |
20100096115 | Multiple concentric cylindrical co-coiled heat exchanger - A compact shell and coil heat exchanger is disclosed that accommodates widely differing volumetric flowrates between the two fluids undergoing heat exchange. Multiple co-coiled helical coils of tubing are concentrically arranged, and coil spacers are provided which maintain the tubes in overall staggered alignment, as illustrated in FIG. | 04-22-2010 |
20100170665 | Spiral heat exchanger for producing heating and/or sanitary use hot water, specifically designed for condensation applications - A spiral heat exchanger for producing heating and/or sanitary use hot water, specifically designed for condensation applications, characterized in that said spiral heat exchanger comprises a duct, preferably though not exclusively made of a thermally conductive material and having a contoured cross-section, called outer duct, inside which can be either arranged or not a second duct, preferably though not exclusive made of a thermally conductive material, called inner duct; the geometrical construction of said outer duct being defined as a resultant obtained by joining two different diameter circumferences, said circumferences being spaced from one another by a constant or variable radius junction pattern; the thus obtained single or double duct being coiled or spiral wound on a diameter substantially larger than the size of said duct thereby providing a hollow cylinder. | 07-08-2010 |
20110056663 | Shell-and-Tube Heat Exchanger - A shell-and-tube heat exchanger for the treatment of juices and juice-type foodstuff products with medium to high viscosity, with at least one jacket tube containing at least one inner tube, whereby the inner tube and/or the jacket tube is or are formed as a swirl tube with multi-start spirals running like a thread at an angle to the tube axis, a crossed and twisted tube with crossing spirals at least essentially symmetrical to the tube axis, each with an angle of incidence between 67° and 72° to the tube axis, i.e. with an angle of twist of 23° to 18° to the tube axis, is used as an inner and/or outer tube. The spiral depth is about 0.8 mm to 1.2 mm. | 03-10-2011 |
20130025834 | DOUBLE TUBE TYPE HEAT EXCHANGE PIPE - Provided is a double tube type heat exchange pipe, in which a gas or liquid coolant passes through a flow path hole to cool an inner tube, the gas or liquid coolant supplied through through-holes of an outer tube is collected in a first collecting groove formed in an inner tube, the gas and liquid coolant is guided to a spiral groove of the inner tube and continuously collides with a plurality of protrusions to undergo heat exchange and be cooled, and the cooled gas and liquid coolant is collected in a second collecting groove of the inner tube to be discharged to the outside via the through-hole of the outer tube. | 01-31-2013 |
20130199761 | HEAT-EXCHANGE APPARATUS FOR INSERTION INTO A STORAGE TANK, AND MOUNTING COMPONENTS THEREFOR - A heat-exchange apparatus and a mounting component set for installation into storage tanks. The heat-exchange apparatus comprises a heat-exchanging component, a coupling manifold configured to engage with the heat-exchanging component, and a hollow, elongate, flow-directing element that delivers fluid to the heat-exchanging component. The mounting component set comprises an inner flange for engaging the inner wall of the storage tank, an outer flange for engaging the outer wall of the storage tank, and at least one gasket cooperable with one of the flanges. The heat-exchange apparatus sealably engages the outer flange such that the heat-exchanging component extends into the interior of the tank, and the coupling manifold is interconnectable to an external supply of heat-exchange fluid. | 08-08-2013 |
20140060786 | DUAL PIPE FOR HEAT EXCHANGE - A dual pipe and a heat exchanger comprises: an outer pipe formed separately from the inner pipe to house the inner pipe therein; and a connector coupled to the inner pipe and the outer pipe. The connector includes: an outer pipe connection portion for housing an end portion of the outer pipe therein; a fastening groove; a stopper; and a through hole. The inner pipe is housed at the inside of the outer pipe, and a coil portion is formed in a portion positioned at the inside of the outer pipe. A portion extended from the coil portion is extended from the inside to the outside of the connector through a through hole of the connector. An outermost portion of the coil portion line contacts with an inner circumferential surface of the outer pipe. | 03-06-2014 |
20150013949 | HEAT-EXCHANGE APPARATUS FOR INSERTION INTO A STORAGE TANK, AND MOUNTING COMPONENTS THEREFOR - A heat-exchange apparatus and a mounting component set for installation into storage tanks. The heat-exchange apparatus comprises a heat-exchanging component, a coupling manifold configured to engage with the heat-exchanging component, and a hollow, elongate, flow-directing element that delivers fluid to the heat-exchanging component. The mounting component set comprises an inner flange for engaging the inner wall of the storage tank, an outer flange for engaging the outer wall of the storage tank, and at least one gasket cooperable with one of the flanges. The heat-exchange apparatus sealably engages the outer flange such that the heat-exchanging component extends into the interior of the tank, and the coupling manifold is interconnectable to an external supply of heat-exchange fluid. | 01-15-2015 |
20150136368 | HEAT EXCHANGER - A heat exchanger includes a housing and a fluid flow conduit located within a cavity formed in the housing, the fluid flow conduit including an outer tube located adjacent to an inner wall of the housing and an inner tube in fluid communication with the outer tube, the inner tube being located between the outer tube and a longitudinal axis of the housing. An inlet port is located on the housing, the inlet port being in fluid communication with the cavity. The heat exchanger includes an outlet port located on the housing, the outlet port being in fluid communication with the cavity. | 05-21-2015 |
20150300745 | COUNTERFLOW HELICAL HEAT EXCHANGER - A heat exchanger assembly comprising a tube with a thermally conductive tube insert sealed therein, the tube insert having a substantially similar cross-section to the cross-section of the tube, and a plurality of fluid ports for passage of fluid into and out of the tube, the fluid ports arranged for counterflow operation. The tube insert includes a pair of helices extending along the length of the tube insert, the helices having first and second sides offset from each other by a predetermined distance along the length of the tube insert and first and second ends, each of the first ends offset from the other by a predetermined angle and each of the second ends offset from the other by a predetermined angle. The tube insert is sealed within the tube to form a first fluid flow path and a second fluid flow path, the first fluid flow path defined between the first sides of the helices and the second fluid path defined between the second sides of the helices. | 10-22-2015 |
20150330714 | SPIRAL OR HELICAL COUNTERFLOW HEAT EXCHANGER - Spiral or helical counterflow heat exchanger ( | 11-19-2015 |
20160040938 | INTERNAL HEAT EXCHANGER AND METHOD FOR MAKING THE SAME - An internal heat exchanger includes a sleeve having a thermally conductive spiral profile, a fluid line inlet and a fluid line outlet. The internal heat exchanger further has an inner tube defining an inner flow path and an axial direction. | 02-11-2016 |
20160102922 | Packaged Helical Heat Exchanger - This invention provides an economical helical polymeric heat exchanger that packages tightly for handling and then is quickly assembled to its full length prior to placement in either the ground or water. | 04-14-2016 |
20160169588 | RIDGED TUBELESS HEAT EXCHANGER FOR FLUID HEATING SYSTEMS INCLUDING A RIDGED COMPONENT AND METHODS OF MANUFACTURE THEREOF | 06-16-2016 |