Patent application number | Description | Published |
20080202731 | One-Piece Turbulence Insert - The invention relates to a one-piece turbulence insert for a heat exchanger ( | 08-28-2008 |
20080202735 | Heat Exchanger - The invention relates to a heat exchanger ( | 08-28-2008 |
20080250787 | Device for Controlling an Exhaust Gas Stream - The invention relates to a device for controlling an exhaust gas stream. Said device comprises a housing ( | 10-16-2008 |
20080264609 | HEAT EXCHANGER FOR EXHAUST GAS COOLING; METHOD FOR OPERATING A HEAT EXCHANGER; SYSTEM WITH A HEAT EXCHANGER FOR EXHAUST GAS COOLING - A heat exchanger, in particular for cooling the exhaust of a motor vehicle internal combustion engine, is disclosed, the heat exchanger comprising a first partial heat exchanger with at least one first flow channel through which a medium to be cooled is to flow and at least one third flow channel through which a first coolant is to flow, at least one second partial heat exchanger with at least one second flow channel through which a medium to be cooled is to flow and at least one fourth flow channel through which a second coolant is to flow, wherein the at least one first flow channel and the at least one second flow channel are fluidly connected, and the at least one first flow channel and the at least one second flow channel have at least one first specific heat transfer surface and at least one second heat transfer surface, wherein second specific heat transfer surface area, divided by first specific heat transfer surface area, yields a quotient (ψ), the at least one first flow channel having a larger quotient (ψ) than second flow channel. | 10-30-2008 |
20080277105 | Heat Exchanger, in Particular Exhaust Gas Heat Exchanger for Motor Vehicles - The invention relates to a heat exchanger, in particular an exhaust gas heat exchanger for motor vehicles, having tubes ( | 11-13-2008 |
20090044789 | DEVICE FOR RECYCLING AND COOLING EXHAUST GAS FOR AN INTERNAL COMBUSTION ENGINE - A device for recycling and cooling exhaust gas of an internal combustion engine is disclosed, comprising a first exhaust-gas heat exchanger and a second exhaust-gas heat exchanger, wherein the first and second exhaust gas heat exchangers are combined in a structural unit and form a module. | 02-19-2009 |
20090090486 | HEAT EXCHANGER FOR A MOTOR VEHICLE - The invention relates to a heat exchanger for a motor vehicle, comprising a first flow path ( | 04-09-2009 |
20090090495 | Heat Exchanger for a Motor Vehicle - The invention relates to a heat exchanger for a motor vehicle, comprising a first flow path ( | 04-09-2009 |
20090241527 | ARRANGEMENT FOR COOLING THE EXHAUST GAS OF A MOTOR VEHICLE - The invention relates to an arrangement ( | 10-01-2009 |
20090260586 | HEAT EXCHANGER FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a heat exchanger for cooling a fluid for an internal combustion engine, in particular, a gas, for example, in the form of a charge fluid such as exhaust gas, charge air, mixtures thereof or similar, in particular for an internal combustion engine on a motor vehicle, said exchanger preferably being a gas cooler, comprising an inner tubular piece ( | 10-22-2009 |
20090277165 | DEVICE FOR COOLING A GAS FLOW OF AN INTERNAL COMBUSTION ENGINE - A device for cooling a gas flow of an internal combustion engine comprises a housing, an inlet and an outlet for a gas of the internal combustion engine which is to be cooled, an inlet and an outlet for a liquid coolant, an exchanger means for heat transfer between the gas and the coolant, a first wall section of the housing, wherein the first wall section is arranged between the coolant and the gas flow, and a second wall section of the housing, wherein the second wall section is arranged between the coolant and the atmosphere, wherein the first wall section and the second wall section are integrally formed in one piece. | 11-12-2009 |
20100025023 | HEAT EXCHANGER, EXHAUST GAS RECIRCULATION SYSTEM, AND USE OF A HEAT EXCHANGER - A heat exchanger, particularly an exhaust gas heat exchanger, for transferring heat in two stages between a first fluid and a second and third fluid that have different temperatures is provided. The heat exchanger comprises a block for separately conducting the first as well as the second and third fluid in a heat transferring manner. The block encompasses a number of ducts through which the first fluid can flow, a first chamber of a high-temperature part, through which the second fluid can flow and which accommodates the ducts, a second chamber of a low-temperature part, through which the third fluid flows and which accommodates the ducts, and a housing in which the first and second chamber as well as the ducts are arranged. Thus, a two-stage heat exchanger is provided at a low cost and keeps leakage between the high-temperature part and the low-temperature part low. Whereby the first chamber and the second chamber are separated from one another by means of a separation area that is mounted in a groove. | 02-04-2010 |
20100071675 | FLOW CHANNEL, HEAT EXCHANGER, EXHAUST GAS RECIRCULATION SYSTEM, CHARGE AIR SUPPLY SYSTEM, USE OF A HEAT EXCHANGER - A flow channel for a heat exchanger for exchanging heat between a first fluid and a second fluid. The flow channel comprises a channel cover provided with a space surrounded by an inner side of the channel cover; a plurality of partitions that are arranged on the inner side of the channel cover in the space. The flow channel having, perpendicular to a flow channel axis, a cross-section that can be traversed and embodied for guiding the first fluid in the inner chamber. Thereby an improved transfer of heat is ensured with a more acceptable drop of pressure and a reduced risk of blocking. As a result, a hydraulic diameter in the region of between 1.5 mm and 6 mm, defined as the quadruple of the ratio between the surface of the cross-section that is traversed and the perimeter that can be moistened by the fluid. The invention also relates to a heat exchanger comprising a block having a plurality of flow channels of said type, through which the first fluid flows and fluidically connected by a fluid connection. The invention further relates to a charge-air system, an exhaust gas recycling system and to a use of the heat exchanger. | 03-25-2010 |
20100095939 | GAS COOLER FOR AN INTERNAL COMBUSTION ENGINE - A gas cooler for an internal combustion engine is provided that includes a first heat exchanger having a plurality of flow channels which are cooled by a liquid coolant and through which compressed charge air flows in a main flow direction of the charge air, and includes a second heat exchanger having a plurality of flow channels which are cooled by the liquid coolant and through which exhaust gas from the internal combustion engine flows in a main flow direction of the exhaust gas, the first heat exchanger and the second heat exchanger being designed as a structurally integrated module, and the main flow direction of the charge air and the main flow direction of the exhaust gas forming an angle of more than 45°. | 04-22-2010 |
20100139631 | HEAT EXCHANGER - The invention relates to a heat exchanger with at least one duct, which can be flowed through by flowing medium from an inlet cross-section to an outlet cross-section, has an inside and outside, and which comprises, on the inside, structural elements for increasing the transfer of heat. The invention provides that the structural elements ( | 06-10-2010 |
20100243220 | HEAT EXCHANGER - The invention relates to a heat exchanger, particularly for a motor vehicle, comprising at least one duct ( | 09-30-2010 |
20100276131 | HEAT EXCHANGER, PARTICULARLY FOR A MOTOR VEHICLE - The invention relates to a heat exchanger, particularly for a motor vehicle, comprising a plurality of exchanger tubes ( | 11-04-2010 |
20100282452 | DEVICE FOR THE EXCHANGE OF HEAT AND MOTOR VEHICLE - A device for the exchange of heat between a first and a second medium with pairs of trays stacked one on top of the other in a stacking direction is provided, wherein a first flow chamber that can be flowed through by a first medium is provided between the two trays of at least one pair of trays or several pairs of trays and a second flow chamber that can be flowed through by a second medium is provided between two pairs of trays adjacent to one another, wherein the first flow chamber has first flow path with flow path sections that can be flowed through consecutively in opposite directions for the first medium, which are separated from one another by a division wall arranged between the at least two trays of the at least one pair of trays, and wherein the second flow chamber has a second flow path for the second medium. | 11-11-2010 |
20100300647 | HEAT EXCHANGER - A heat exchanger, in particular a charge air cooler or an exhaust gas cooler for an internal combustion engine, comprising a plurality of essentially parallel tubes and at least one collector box on the output side, the tubes each emptying into the collector box on the output side, and a gas flow flowing from the tubes into the collector box and from the collector box into an outlet of the collector box, a structure for interacting with the gas flow being provided at least one of the tubes or collector box, a condensation being transported to the outlet with the aid of the structure. | 12-02-2010 |
20100319887 | HEAT-EXCHANGING DEVICE AND MOTOR VEHICLE - An exhaust gas installation is provided that comprises an exhaust gas evaporator mounted downstream of an internal combustion engine of a motor vehicle. The exhaust gas evaporator has a sandwich-type structure wherein exhaust gas planes and coolant planes are alternately directly adjacently arranged, providing a very compact while very efficient exhaust gas evaporator. | 12-23-2010 |
20110000657 | EXTRUDED TUBE FOR A HEAT EXCHANGER - An extruded tube for a heat exchanger is provided that includes two at least approximately parallel outer side walls that extend in a longitudinal direction and a transverse direction of the extruded tube and that are connected by two outer narrow sides in a vertical direction of the extruded tube, wherein at least one continuous web extends between the side walls in the longitudinal direction and in the vertical direction and separates at least two ducts of the extruded tube, and wherein at least one of the outer side walls has embossings that serve to form both bulged portions that project into the ducts of the side walls and also bulged portions that extend substantially in the transverse direction of the web, wherein the bulged portions of the at least one web have a controlled orientation with respect to the transverse direction. | 01-06-2011 |
20110308771 | EXHAUST GAS COOLER FOR AN INTERNAL COMBUSTION ENGINE - An exhaust cooler for a combustion motor is provided that includes a flow path for guidance of the exhaust from a combustion motor, wherein the flow path has a wall to separate the exhaust gas flow from a cooling fluid and wherein heat is exchangeable via the wall between the exhaust and the cooling fluid, wherein the wall is covered at least partially by a flexible thermoelectric film. | 12-22-2011 |
20120061053 | CHARGE AIR INTERCOOLER FOR ARRANGEMENT IN A SUCTION TUBE - A charge air intercooler for arrangement in a suction tube is provided that includes a plurality of channels through which coolant flows, forming a cooler block around which charge air can flow, wherein the cooler block is connectable to a floor member and wherein a collector has at least one coolant connection. The charge air intercooler can be fastened in an opening of the suction tube via a flange member, the flange member and the floor member being separate components. | 03-15-2012 |
20120199319 | ARRANGEMENT FOR COOLING THE EXHAUST GAS OF A MOTOR VEHICLE - A device may include a housing; a heat transfer region located in the housing and comprising a plurality of heat transfer tubes, the heat transfer tubes being distributed through an entirety of a cross-sectional area of at least a portion of the housing; a bypass duct that branches off from the housing at a location upstream of the heat transfer region, wherein an opening into the bypass duct is located in an outer wall of the housing; and an actuating element comprising a flap and a pivot shaft, the flap being pivotable about the pivot shaft. | 08-09-2012 |
20120222420 | Internal combustion engine - In an internal combustion engine having a system for utilizing the waste heat from the internal combustion engine via the Clausius-Rankine cycle, a system includes a circuit having lines with a working medium, a working medium pump, a vaporizer-exhaust gas heat exchanger, and a vaporizer-EGR heat exchanger, an expander, and a condenser for liquefying the vaporous working medium. The line for the working medium is run from the condenser to the vaporizer-EGR heat exchanger so that the working medium, after flowing through the condenser, first flows through the vaporizer-EGR heat exchanger, and the line for the working medium is run from the vaporizer-EGR heat exchanger to the vaporizer-exhaust gas heat exchanger so that the working medium, after flowing through the vaporizer-EGR heat exchanger, first flows through the vaporizer-exhaust gas heat exchanger. | 09-06-2012 |
20130112382 | EXHAUST GAS EVAPORATOR - An evaporator, in particular an exhaust gas evaporator for an exhaust gas system of a motor vehicle, is provided that includes a plate sandwich structure having a plurality of fluid-guiding plate elements stacked on top of one another for guiding a first fluid, wherein at least one rib, in particular a corrugated rib, is disposed between two plate elements for guiding a second fluid, wherein a plate element comprises at least one cover element covering a flow channel and a flow channel plate unit, wherein the flow channel plate unit comprises at least one flow channel plate having flow channels in order to guide the first fluid from an inlet to an outlet. | 05-09-2013 |
20130125545 | SYSTEM FOR UTILIZING WASTE HEAT OF AN INTERNAL COMBUSTION ENGINE - A system for utilizing waste heat of an internal combustion engine via the Clausius-Rankine cycle process is provided that includes a circuit with lines containing a working medium, an evaporator heat exchanger which serves for evaporating the liquid working medium using waste heat of the internal combustion engine and which has an inlet opening for conducting the working medium into a flow duct and an outlet opening for conducting the working medium out of the flow duct, and the flow duct is divided into a plurality of flow duct parts connected hydraulically in parallel, an expansion machine, a condenser for liquefying the vaporous working medium, a collecting and compensating vessel for the liquid working medium, it is sought to be able to change the working medium substantially completely from a liquid state of aggregation to a gaseous state of aggregation at an evaporator heat exchanger. | 05-23-2013 |
20140196700 | HEAT EXCHANGER - Disclosed herein is a heat exchanger with a housing casing, a first base and a second base with openings, pipes as a first flow channel for conducting a first fluid, the ends thereof being arranged in or on the openings of the first and second bases, the pipes and the first and/or the second base are arranged within the housing so that a second flow channel for conducting a second fluid is designed between the housing and the pipes, a first inlet opening for the first fluid, a first outlet opening for the first fluid, a second inlet opening for the second fluid, a second outlet opening for the second fluid, a first diffusor for directing the first fluid into the pipes, a second diffuser for directing the first fluid out of the pipes, which heat exchanger should be simple and cost-effective to produce and ensure reliable operation. | 07-17-2014 |
20150052893 | HEAT EXCHANGER - A heat exchanger may include a gas conduit flowable through by a predetermined gas and a heat conduit flowable through by a predetermined fluid compound working fluid. The heat conduit may be in thermal communication with the gas conduit. The heat exchanger may include a first section having a first section length, a second section having a second section length, and a third section having a third section length. The gas conduit may span, in a direction of flow of the gas, the first section, the second section, and the third section. The heat conduit may span, in a direction of flow of the working fluid, the third section, the first section, and the second section. The first section may include a gas inlet and the third section may include a working fluid inlet and a gas outlet. The section may include a working fluid outlet. | 02-26-2015 |
20150060028 | HEAT EXCHANGER - The invention relates to a heat exchanger, such as in particular an exhaust-gas evaporator, having a housing with a fluid inlet, and with a fluid outlet for a first medium, such as in particular exhaust gas, and having tubes which are arranged in the housing transversely with respect to the flow direction of the first fluid and through which a second medium can flow and which, by way of their ends at the inlet side and at the outlet side are arranged and connected in a fluid tight manner in a tube plate, wherein, to the respective tube plate, there is connected in each case one structure by means of which groups of tubes are connected to one another in such a way that an outlet of at east one tube is fluidically connected to an inlet of at least one other tube. | 03-05-2015 |
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 |