| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 165163000 | Conduit coiled within casing | 39 |
| 20080202734 | Heat Exchanger - A heat exchanger for cooling a high temperature gas leaving a reaction unit/device, including a coupling element to the reaction unit/device, a gas transportation and cooling pipe, and a covering shell. | 08-28-2008 |
| 20080271880 | Coiled Heat Exchanger Having Different Tube Diameters - A coiled heat exchanger having a plurality of tubes which are wound around a core tube is disclosed. The heat exchanger having a casing which delimits an outer space around the tubes, where the tubes of a first tube group have a first inner diameter and a first outer diameter and the tubes of a second tube group have a second inner diameter and a second outer diameter. The second inner diameter is different from the first inner diameter and/or the second outer diameter is different from the first outer diameter. | 11-06-2008 |
| 20080296004 | Wound Heat Exchanger with Anti-Drumming Walls - A wound heat exchanger is disclosed. The heat exchanger includes a plurality of tubes which are wound in several concentric tube layers about a central tube, and a container cover which defines an external chamber about the tube. A first anti-drumming wall is shaped as a cylinder cover or a cylinder cover segment and is arranged on the external side of a first layer of tubes. | 12-04-2008 |
| 20100000723 | System, Method and Apparatus for Transferring Heat - A system, method and apparatus for transferring heat are disclosed. They make use of the first receptacle having an inlet for ingress of the first liquid, such as sewage, and an outlet for egress of the first liquid. Also provided is a second receptacle having an inlet for ingress of the second liquid, such as exhausted heated water from an air conditioning or cooling unit, and an outlet for egress of the second liquid. The second receptacle comprises a portion located in a proximity of the first receptacle. The first and second receptacles are arranged such that they allow a quantity of heat to transfer from the second liquid to the first liquid. The apparatus may be configured for inline connection to a sewerage main. | 01-07-2010 |
| 20100032147 | HEAT EXCHANGER HAVING WINDING MICRO-CHANNELS - A micro-channel heat exchanger suited for use in large-area cold plates includes a heat transfer member having winding micro-channels, a manifold, and a cover plate. The micro-channels' winding design is defined by a nonlinear flow axis that may include a plurality of short pitch and small amplitude undulations, which cause the flow to change directions, as well as two or more large amplitude bends that cause the flow to reverse direction. In low flow per unit area applications, the winding micro-channels allow a user to customize the pressure drop to promote good flow distribution, to achieve improved heat transfer uniformity, and to enable the pressure drop to remain above the bubble point of the heat transfer structure to prevent gas blockage. The winding micro-channels also improve the heat transfer coefficient. | 02-11-2010 |
| 20100101767 | HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS - A heat pump type hot water supply apparatus includes a heat-source side heat pump unit | 04-29-2010 |
| 20100319890 | Heat Exchange Assembly and Method - A heat exchanger assembly of the type having a cylindrical coil in an insulated tank, the assembly having different heat exchanger sections having different thermal conductivities. | 12-23-2010 |
| 20110042048 | HEAT EXCHANGER - A heat exchanger includes a heat transmitting structure for heat exchange and a guide member. The heat exchanger is configured to exchange heat between external fluid flowing outside the heat transmitting structure and the heat transmitting structure. The heat transmitting structure includes a plurality of heat transmitting members for heat exchange. The heat transmitting members are arranged side by side in such a manner as to have intervals between the adjacent heat transmitting members. The guide member is arranged in the intervals between the heat transmitting members so as to change a direction of the external fluid flowing outside the heat transmitting structure. | 02-24-2011 |
| 20110120684 | ARRANGEMENT INTRODUCED IN AIR COOLER EQUIPMENT WITH SELF-DRYING RESERVOIR OF CONDENSED WATER - “ARRANGEMENT INTRODUCED IN AIR COOLER EQUIPMENT WITH SELF-DRYING RESERVOIR OF CONDENSED WATER”, it consists essentially of an equipment ( | 05-26-2011 |
| 20110174470 | SPIRAL HEAT EXCHANGER - A spiral heat exchanger includes two assembled covers defining a chamber therebetween for receiving a spiral unit therein. The spiral unit includes a first and a second spiral member separately spirally extending from a central outlet to a peripheral outlet on the two covers to respectively form a first and a second flow passage. A driving unit is assembled to and drives the assembled covers to rotate at the same time, so that cold and hot airflows respectively enter and flow through the first and second spiral members from the central outlet to the peripheral outlet under a centrifugal force to exchange heat at the spiral unit. The spiral unit provides extended flow passages and increased heat exchange area, giving the spiral heat exchanger increased heat transfer capacity and heat exchange efficiency and allowing omission of fans and radiating fin assembly to eliminate operating noise and accumulated dust. | 07-21-2011 |
| 20110272123 | SPIRAL HEAT EXCHANGER FOR HYDRODESULFURIZER FEEDSTOCK - A cylindrical shift converter ( | 11-10-2011 |
| 20120061063 | HEAT EXCHANGER - A heat exchanger includes a body. Both sides of the body are provided with a first flowing path set and a second flowing path set. The first flowing path set and the second flowing path set are provided with a plurality of flow-disturbing portions on both sides of the body respectively. The body is provided with an inlet and an outlet in communication with the first flowing path set and the second flowing path set. A working fluid circulates in the first flowing path set and the second flowing path set. The flow-disturbing portions make the working fluid to generate separated eddies to increase the strength of turbulent flow and to improve the heat-conducting efficiency of the heat exchanger greatly. | 03-15-2012 |
| 20120145368 | PROCESS FOR TRANSFERRING HEAT OR MODIFYING A TUBE IN A HEAT EXCHANGER - One exemplary embodiment can be a process for transferring heat to a first stream from a second stream in a hydrocarbon process. The process can include passing the first stream through at least one generally vertically-orientated tube in an exchanger. An interior surface of the at least one generally vertically-orientated tube may form one or more curved irregularities where the first stream, prior to entering the at least one generally vertically-orientated tube, may include a mixture of a gas including hydrogen and at least one or more C1-C3 hydrocarbons, and a liquid including one or more C4-C13 hydrocarbons. | 06-14-2012 |
| 20120211206 | PARTICULATE COOLER - Methods, systems, and apparatus for cooling particulates are provided. The apparatus can include one or more coils at least partially disposed within a cylindrical housing. The one or more coils can include a plurality of tubulars connected by return bends disposed at one or more ends thereof. The apparatus can further include a support grid at least partially disposed within the housing and secured to one or more inner surfaces of one or more sidewalls thereof. The support grid can include a plurality of cross members formed of a series of concentric cylinders connected together by a plurality of radially disposed gussets. An outermost concentric cylinder can be disposed proximate the one or more inner surfaces of the one or more sidewalls, and at least one of the one or more coils can be secured to at least one of the cross members, at least one of the gussets, or both. The support grid can also include one or more beams having a first end and a second end fastened to different points on the one or more inner surfaces of the one or more sidewalls. The cross members can be disposed on at least one of the one or more beams. | 08-23-2012 |
| 20120261103 | HEAT EXCHANGER WITH CENTRAL PIPE AND RING CHANNEL - The invention relates to a heat exchanger ( | 10-18-2012 |
| 20120298342 | COIL AND HEAT EXCHANGER WITH THE SAME - A coil consists of several arc-shaped tubes whose first end is connected to tail end sequentially to form a continuous curve. The angle spanning between the first end and the tail end of the arc-shaped tube is greater than 180 degrees. The center lines of joints of two adjacent arc-shaped tubes have a common tangent point or the center lines of joints of two adjacent arc-shaped tubes are in tangent connection with a center line of a straight tube. The coil and the heat exchanger with the same have impact construction, small volume and high heat exchange efficiency. | 11-29-2012 |
| 20120312514 | Dense twisted bundle heat exchanger - A shell and tube heat exchanger is disclosed that is comprised of a dense hexagonal bundle of tubes with tube spacing maintained by spacers on the individual tubes. Exchanger performance is enhanced by any or all of three types of bends of the tubes: bundle twisting; bundle enlargement at the tubesheets; and shell bending. Referring to FIG. | 12-13-2012 |
| 20130008635 | HEAT EXCHANGER - A heat exchanger has an exchanger unit, including at least one first coiled conduit and one second coiled conduit that are substantially coaxial, and a casing for housing the exchanger unit. The casing has a first end wall, a second end wall, and a peripheral part between the two end walls. Each conduit has an inlet and an outlet, where the outlet of the first conduit is connected substantially in series to the inlet of the second conduit. The exchanger unit is supported by the first end wall of the casing, with the inlet of the first conduit and the outlet of the second conduit which are substantially at the first end wall of the casing. | 01-10-2013 |
| 20130068431 | MAIN HEAT EXCHANGER AND A PROCESS FOR COOLING A TUBE SIDE STREAM - A process for cooling a tube side stream in a main heat exchanger is described. The process comprises: a) supplying a first mass flow of a tube side stream to a first zone of individual tubes in the tube bundle; b) supplying a second mass flow of the tube side stream to a second zone of individual tubes in the tube bundle, the second zone being offset from the first zone; c) supplying a refrigerant stream on the shell side for cooling the first and second mass flows; d) removing the evaporated refrigerant stream from the warm end of the main heat exchanger; and, e) adjusting the first mass flow of the tube side stream relative to the second mass flow of the tube side stream to maximise the temperature of the removed evaporated refrigerant stream. | 03-21-2013 |
| 20130075067 | ENERGY TRANSFER UNIT - An energy transfer wilt suitable for a geothermal heating system is formed from a plurality of modules. Each module has a frusto conical baffle overlying a heat exchange core to direct fluid radial across the core. A chimney is provided centrally in the baffle to promote radial flow. The modules may be located within a housing and ports are provide to allow flow in to the housing adjacent each of the cores. | 03-28-2013 |
| 20130133867 | SPIRAL FIN HEAT EXCHANGER WITH A NEW FIXED MANNER - A spiral fin heat exchanger with a new fixed manner includes a bended fin tube comprising a inner tube on which fins are provided, and several fixing members are provided on the fin tube, the fixing member includes an upper bracket and a lower bracket, and the upper bracket comprises a cover plate and a vertical plate, the upper bracket is fixedly connected with the lower bracket, and the fins on the fin tube are caught between the cover plate and the lower bracket, a positioning groove is provided on the vertical plate, and the inner tube of the fin tube is caught in the positioning groove. The spiral fin heat exchanger can fix the fins and the inner tube of the fin tube simultaneously through the upper and lower brackets of the fixing member, thereby achieving the effect of dual fixation, such that the fin tube can be fixed more firmly and is not easy to loosen, which can in turn reduce the noise of spiral fin heat exchanger effectively. | 05-30-2013 |
| 20130168067 | System and Method for HVAC Condensate Management - A HVAC system includes a cabinet configured as a duct, a coil assembly disposed within the cabinet, and at least one barrier configured to substantially segregate a low pressure zone associated with a downstream side of a heat exchanger of the coil assembly from a high pressure zone, wherein a leakage path is provided between the high pressure zone and the low pressure zone. | 07-04-2013 |
| 20130269917 | HEAT RECOVERY SYSTEM, ITS HEAT RECOVERY PROCESS AND USE - The present invention relates to a heat recovery system, of a part of the energy spent in the preparation of waste water, e.g. water from baths or kitchens, energy that is usually lost when the water is drained into the sewer. This energy can be recovered and reused to heat water that is readily used, for example in the shower, or can be stored in a water heater. This system is designed in such a way that, together with any tub or shower base, constitutes a heat recovery shower base or a heat recovery bath, for example. The energy recovery system is composed, preferably, by a coil generally made of copper inside a PVC pipe that has at one end a throttle plate also made of PVC, a filter for the protection of the system against impurities, turbulence fins, and an external casing. The system has a compact structure which benefits its rapid adaptation. | 10-17-2013 |
| 20130277022 | Helical Tube EGR Cooler - A heat exchanger for transferring heat between two fluids consists of a shell surrounding at least two tube bundles attached at both ends to a tube header. Each of the tube bundles is constructed from a plurality of individual tubes that are twisted into identical helixes formed about a common helical axis. Because each individual tube is formed in the shape of a helix, rather than as a straight tube, thermal elongation of the individual tubes results in a considerably reduced axial force on the tube attachments and tube header. Use of multiple tube bundles wound with opposite twist direction improves spacing efficiency between tubes. | 10-24-2013 |
| 20130292100 | COOLING UNIT - The present invention relates to a cooling unit ( | 11-07-2013 |
| 20130333866 | REBOILER - There is provided a large-sized reboiler that can achieve space saving and reduction in plant cost. Specifically, there is provided a large-sized reboiler comprising a vessel of which a liquid is supplied from a lower part and a vaporized gas is discharged from an upper part; and a heat transfer tube group arranged in such a manner that a void penetrating in the up-and-down direction is formed in the vessel, wherein a maximum length of a cross-sectional figure of a flow path for the liquid exceeds 2 m, and the void occupies 5 to 10% of an area of the cross-sectional figure of the flow path. | 12-19-2013 |
| 20130340985 | HEAT EXCHANGER - A heat exchanger is provided. The heat exchanger may include a case in which a space is formed; a top cover coupled to a top of the case; a lower cover coupled to a bottom of the case; a first pipe that guides a first fluid to flow into the space and having an exit end, through which first fluid may come out into the space; a tube, through which a second fluid, which exchanges heat with the first fluid, may pass; and a second pipe that guides the first fluid discharged from the space and having an inlet end through which the first fluid may enter. The tube may have a spiral pipe portion positioned in the space and spirally wound. The inlet end may be positioned to be spaced from the top cover under the top cover. A height of the inlet end may be larger than a height of an upper end of the spiral pipe portion, and a height between an exit end and the lower cover may be smaller than a height between the inlet end and the lower cover. With this structure, it is possible to achieve a compact heat exchanger, while minimizing an installation space, and the first fluid may exchange heat with the spiral pipe portion of the tube as much as possible. | 12-26-2013 |
| 20140014305 | HEAT EXCHANGER - A heat exchanger is provided. The heat exchanger mayinclude a shell; a first pipe that guides a first fluid into the shell; a plurality of spiral pipe portions, through which a second fluid, which exchanges heat with the first fluid, may pass, that have different distances from a central axis; and a second pipe that guides the first fluid outside of the shell, in which an inner spiral pipe portion of the plurality of spiral pipe portions, which is closest to a central axis, and an outer spiral pipe portion, which is farthest from the central axis, are connected by a first connection tube, and a plurality of intermediate spiral pipes, which is farther from the central axis than the inner spiral pipe portion and closer to the central axis than the outer spiral pipe portion, is connected by a second connection tube, such that the plurality of spiral pipe portions is connected while minimizing a number of connection tubes and a reduction in performance that may be generated when a difference in length of a plurality of paths is large, by minimizing a difference in length of the paths formed by the plurality of spiral pipe portions and the connection tubes. | 01-16-2014 |
| 20140014306 | HEAT EXCHANGER FOR HEATING BOILERS - A heat exchanger of the fumes-water type configured to couple with a burner for the manufacture of boilers for domestic or industrial use. The heat exchanger includes an exchanging body ( | 01-16-2014 |
| 20140020875 | PROCESS FOR TRANSFERRING HEAT OR MODIFYING A TUBE IN A HEAT EXCHANGER - One exemplary embodiment can be a process for transferring heat to a first stream from a second stream in a hydrocarbon process. The process can include passing the first stream through at least one generally vertically-orientated tube in an exchanger. An interior surface of the at least one generally vertically-orientated tube may form one or more curved irregularities where the first stream, prior to entering the at least one generally vertically-orientated tube, may include a mixture of a gas including hydrogen and at least one or more C1-C3 hydrocarbons, and a liquid including one or more C4-C13 hydrocarbons. | 01-23-2014 |
| 20140083661 | COMPUTER ROOM AIR CONDITIONING UNIT - An enclosed air conditioning unit includes a filter section and a cooling section through which intake air passes before being discharged into a space within a building. The orientation of the filter section and cooling section is substantially vertical, and the airflow path through the filter section and the cooling section is substantially horizontal, resulting in reduced face velocities across these components, thereby increasing filtration efficiency and cooling effectiveness, while allowing the physical size and configuration of the air conditioning unit's enclosure to be the same as or smaller than the enclosures for conventional air conditioning units having comparable or lower performance. | 03-27-2014 |
| 20140102681 | Apparatus for Cooling Beverages - A beverage cooling device to cool the beverage by a cooling liquid may include a container to cool the beverage and a coil to extend into and out of the container. The beverage may be coffee. The cooling fluid may be water. The container may hold the beverage. The coil may extend through a sidewall of the container. The coil may include an input and an output and wherein the input and output extend over the sidewall of the container. | 04-17-2014 |
| 20140116663 | HEAT EXCHANGER - Provided is a heat exchanger in which heat exchange between a low-temperature cooling medium and brine and heat exchange between brine and hydrogen gas can be efficiently performed and downsizing of cooling facilities or reduction in facility cost can be attained. The heat exchanger comprises: a vacuum insulated container 12 which is filled with brine, a lid 13 closing an upper portion opening of the container, a rotation axis 14 arranged in the axis direction of the container, a propeller 15 provided on the rotation axis, a helical hydrogen gas cooling tube 16, 17 provided in a vertically two-stage structure around the rotation axis and the propeller, and a cooling medium tube 18 for cooling brine which is arranged around the hydrogen gas cooling tubes. | 05-01-2014 |
| 20140124180 | COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEM - A heat exchanger having a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing and a radial direct-firing burner and a blower-driven hot flue gas to heat water. A buffer tank is incorporated within the lumen of the helix coil. At least one rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator. | 05-08-2014 |
| 20140124181 | COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEM - A heat exchanger having a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing and a radial direct-firing burner and a blower-driven hot flue gas to heat water. A buffer tank is incorporated within the lumen of the helix coil. At least one rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator. | 05-08-2014 |
| 20140216699 | AIR CONDITIONER AND HEAT EXCHANGER THEREFOR - An air conditioner and a heat exchanger therefor are provided. The heat exchanger may include a shell; an injection pipe to guide a heat source fluid to an inside of the shell; a first refrigerant tube formed with a first spiral tube; a second refrigerant tube formed with a second spiral tube having a radius larger than a radius of the first spiral tube; and a discharge pipe to which the heat source fluid heat-exchanged with a refrigerant is discharged. The first refrigerant tube and the second refrigerant tube may be connected in parallel, and the second spiral tube may have a larger pitch between turns and a smaller number of turns than the first spiral tube. The heat exchanger may provide a simple structure and a high heat-exchange performance. | 08-07-2014 |
| 20140345836 | COIL HEAT EXCHANGER - A coil heat exchanger is provided, comprising a closed vessel having an inlet for receiving heat transfer media and an outlet for discharging heat transfer media, a tubular conduit extending helically within said vessel from a lower part to an upper part of said vessel for transporting liquid products to be heated by said heat transfer media, and an inner housing enclosed by loops of said tubular conduit and sealed against the heat transfer media. The inner housing comprises an open passageway to the environment outside said coil heat exchanger. | 11-27-2014 |
| 20160116219 | HEAT EXCHANGER, METHOD FOR MAINTAINING, PRODUCING AND OPERATING A HEAT EXCHANGER, POWER PLANT AND METHOD FOR GENERATING ELECTRIC POWER - A heat exchanger, a method for maintaining, for producing and for operating a heat exchanger, a power plant, and a method for generating electric power. The heat exchanger has a pipe system divided into a first pipe bundle and a second, replaceable pipe bundle. The first pipe bundle operates for a first time period in a first temperature range, and the second pipe bundle operates for a second time period shorter than the first time period and in a second temperature range higher than the first temperature range. The first temperature range has a maximum temperature lower than the temperature at which creep of the material of the first pipe bundle begins, and the second temperature range has a maximum temperature as high or higher than the temperature at which creep of the material of the second pipe bundle begins. | 04-28-2016 |
| 20220136777 | HEAT EXCHANGER - A heat exchanger ( | 05-05-2022 |
