J. Eberspaecher GmbH & Co. KG Patent applications |
Patent application number | Title | Published |
20130313819 | DECOUPLING ELEMENT FOR AN EXHAUST SYSTEM - The invention relates to a decoupling element for an exhaust system ( | 11-28-2013 |
20130180233 | Exhaust Gas Treatment Device - The present invention relates to an exhaust gas treatment device ( | 07-18-2013 |
20130139505 | DEVICE FOR EXHAUST-GAS TREATMENT NEAR AN ENGINE AND MOTOR VEHICLE HAVING THE DEVICE - A device for exhaust-gas treatment near an engine includes an annular structure and a guide structure disposed in an exhaust line. An inner wall forms an inner flow passage and an outer flow passage in the annular structure. The inner wall and the guide structure form a gap in such a way that only a limited secondary flow of the exhaust gas is conducted through the inner flow passage. A motor vehicle having the device is also provided. | 06-06-2013 |
20130092471 | Active Sound Absorbers - The present invention relates to an active sound absorber ( | 04-18-2013 |
20130078539 | RESIDUAL GAS BURNER - The present invention relates to a residual gas burner ( | 03-28-2013 |
20130013147 | ANTI-SOUND SYSTEM FOR EXHAUST SYSTEMS AND METHOD FOR CONTROLLING THE SAME - Based on sound measured in the interior of an exhaust system components of an ideal control signal are calculated, the components comprising sine wave oscillations comprising amplitudes phase-shifted by 90° relative to each other. From the amplitudes, an overall amplitude is calculated. If the overall amplitude is greater than a reference amplitude, calculating a correction factor from the reference amplitude and the overall amplitude, weighting the amplitudes with the correction factor to obtain weighted amplitudes, and forming the sum of the products of the weighted amplitudes with the associated sine wave oscillations and outputting the sum as control signal to a loudspeaker, follows. Otherwise, if the overall amplitude is smaller or equal to the reference amplitude, forming the sum of the products of the amplitudes of the ideal control signal with the associated sine wave oscillations and outputting the sum as control signal to the loudspeaker, follows. | 01-10-2013 |
20120308023 | ACTIVE NOISE CONTROL SYSTEM FOR EXHAUST SYSTEMS AND METHOD FOR CONTROLLING THE SAME - An active noise control system for exhaust systems of a combustion engine operated vehicle comprises an anti-sound control connectable to an engine control of the vehicle and a loudspeaker connected to the control for receiving control signals and designed for generating an anti-sound in a sound generator, fluidically connectable to the exhaust system. In the control, at least two curves are stored in order to cancel airborne sound conducted in the exhaust system through outputting the signal to the loudspeaker. The curves cover different temperature ranges of the exhaust gas, which temperature ranges overlap one another by pairs or directly adjoin one another. The control is furthermore designed to select a curve suitable for a respective temperature of the exhaust gas conducted in the exhaust system from the available curves by means of signals output by the engine control and output signals to the loudspeaker making use of this curve. | 12-06-2012 |
20120291418 | Exhaust Heat Utilisation Device - The invention provides an exhaust heat utilisation device for a combustion engine with an exhaust heat utilisation circuit, in which a working medium circulates. An evaporator is arranged in the exhaust heat utilisation circuit for evaporating the working medium, which can be supplied with exhaust gas of the combustion engine, with an expansion machine arranged in the exhaust heat utilisation circuit downstream of the evaporator for expanding the working medium. A condenser is arranged in the exhaust heat utilisation circuit downstream of the expansion machine for condensing the working medium. A delivery device is arranged in the exhaust heat utilisation circuit downstream of the condenser for driving the working medium in the exhaust heat utilisation circuit and with a heat storage unit. The device is given an improved functionality when the heat storage unit is incorporated in the exhaust heat utilisation circuit and can be supplied with working medium. | 11-22-2012 |
20120288111 | TRANSMISSION PATH COMPENSATOR - The invention relates to a system for generating anti-noise in an exhaust-gas line ( | 11-15-2012 |
20120273296 | Component for Motor Vehicles and Method for its Production - The invention relates to a component ( | 11-01-2012 |
20120266588 | Exhaust Manifold - The present invention relates to an exhaust manifold for an internal combustion engine, in particular in a motor vehicle, comprising a housing from which a plurality of inlet pipes emanate, which, in the built-in state, lead to cylinders of the internal combustion engine, and comprising a flange, which is welded to the inlet pipes and which, in the built-in state, is screwed to the cylinder head of the internal combustion engine by means of a screw connection. The fatigue strength of the exhaust manifold can be improved by subdividing the flange into at least two partial flanges in a longitudinal direction of the exhaust manifold. | 10-25-2012 |
20120223210 | EXHAUST SYSTEM COMPONENT - The present invention relates to an exhaust system component ( | 09-06-2012 |
20120204557 | EXHAUST MANIFOLD - The present invention relates to an exhaust manifold ( | 08-16-2012 |
20120138382 | Housing - The present invention relates to a housing ( | 06-07-2012 |
20120137665 | Vehicle component - The present invention relates to a component ( | 06-07-2012 |
20120097478 | Muffler - The present invention relates to a muffler ( | 04-26-2012 |
20120088167 | OPERATING METHOD FOR A FUEL CELL SYSTEM - The present invention relates to a method for operating a fuel cell system, wherein the fuel cell system comprises at least one reformer for generating a reformate gas and at least one fuel cell for generating an electric current. An increased lifespan for the anode is achieved when with said anode an anode state value is continuously determined which correlates to a current degree of loading with carbon of the anode of the at least one fuel cell and when depending on the anode state value an oxygen-carbon ratio is varied in the reformate gas which is fed to the anode of the respective fuel cell. | 04-12-2012 |
20120042638 | Exhaust Gas Cleaning Device, Exhaust System, Removal Method - The present invention relates to an exhaust gas cleaning device ( | 02-23-2012 |
20120017569 | Exhaust System with Reactive Heating System - The invention relates to a system component of an exhaust system for a combustion engine, more preferably of a motor vehicle, with at least one component portion having a closed hollow space structure ( | 01-26-2012 |
20120006012 | Flange Plate, Flange Connection and Exhaust Manifold - The present invention relates to a flange plate for connecting exhaust pipes to a combustion engine, with at least two connecting sockets integrally moulded on the flange plate, on each of which an exhaust pipe can be fastened, and with a plurality of through openings for fixing the flange plate to the combustion engine. | 01-12-2012 |
20110265763 | Piston Engine, Method and Use - The present invention relates to a method for operating a piston engine, more preferably of a motor vehicle, with a fresh air system for feeding fresh air to cylinders of the piston engine and with an exhaust system for discharging exhaust gas from the cylinders, wherein during a gas exchange by means of a positive pressure wave on the fresh air side the charging of the respective cylinder with fresh air and/or by means of a negative pressure wave on the exhaust gas side the discharging of exhaust gas from the respective cylinder is supported. | 11-03-2011 |
20110265465 | Heat Transfer Arrangement, Heat Transfer Device and Manufacturing Method - The present invention relates to an arrangement for the heat transfer between a tubular body suitable for conducting a fluid and a contact body that is in contact with said tubular body, wherein the contact body comprises a contact side facing the tubular body, with which the contact body is in contact with an outside of the tubular body facing the contact body, wherein in a tensioned state of the arrangement a preload force presses the contact body against the tubular body in a preload direction. | 11-03-2011 |
20110256032 | Exhaust Gas Treatment Device - The present invention relates to an exhaust gas treatment device for an exhaust system of a combustion engine, more preferably of a motor vehicle, with a housing comprising a jacket and an outlet funnel, and with at least one exhaust gas treatment element which is arranged in the jacket and is axially supported on the housing via a support ring. | 10-20-2011 |
20110252774 | HEAT TRANSFER DEVICE AND MANUFACTURING METHOD - The present invention relates to a heat transfer device, more preferably for an exhaust system of a combustion engine, preferentially of a motor vehicle, with at least one warm tube for conducting a fluid emitting heat, with at least one cold tube for conducting a fluid absorbing heat and with at least one thermoelectric generator for generating electric energy from a temperature difference, wherein a thermoelectric generator each is arranged between a warm tube and a cold tube. | 10-20-2011 |
20110203692 | Exhaust Gas Treatment Device - The present invention relates to an exhaust gas treatment device for an exhaust system of an internal combustion engine, more preferably of a road vehicle with a housing, in which at least one exhaust gas treatment element is arranged and mounted by means of a bearing mat and with an outlet pipe which is fluidically connected to an outlet chamber formed in the housing. The risk of a contamination of the bearing mat with water can be reduced with a separating bottom which is arranged in the housing and separates the outlet chamber from a collecting chamber. The separating bottom includes several passage openings through which the outlet chamber is fluidically connected to the collecting chamber and which are each enclosed by a collar protruding into the outlet chamber. | 08-25-2011 |
20110016858 | Latent Heat Storage Device - The invention relates to a latent heat storage device for an exhaust system of a combustion engine, more preferably of a motor vehicle, with a storage body having a plurality of channels running parallel to one another, of which at least some contain a phase-changing material. | 01-27-2011 |
20110016847 | Latent Heat Storage Device and Associated Manufacturing Method - The present invention relates to a latent heat storage device for an exhaust system of a combustion engine, more preferably of a motor vehicle, with at least one hollow space having a storage volume which contains a phase-changing material. | 01-27-2011 |
20100101222 | Device For Introducing A Liquid Into A Gas Flow - The present invention relates to a device for introducing a liquid into a gas flow, more preferably for an exhaust system of an internal combustion engine. The device includes a chamber, an injection device and a channel. The channel with a circumferential region of an inlet section protrudes into the chamber and there on an inner side facing the gas flow has a surface. Said surface is arranged offset to the inside with respect to a channel profile. The proposed design results in improved evaporation of the liquid introduced into the gas flow. | 04-29-2010 |
20100092831 | Fuel Cell And Fuel Cell System - The present invention relates to a fuel cell for a fuel cell system, in particular in a motor vehicle, having a plurality of fuel cell elements that form a fuel cell stack, and furthermore having respectively precisely four through openings that align with one another in the fuel cell stack, forming an anode gas inlet canal, an anode gas outlet canal, a cathode gas inlet canal, and a cathode gas outlet canal. In each fuel cell element, the anode gas inlet and the anode gas outlet are diametrically opposite from one another. In each fuel cell element, the cathode gas inlet and the cathode outlet lie diametrically with respect to one another. The fuel cell stack has two end plates on which an anode gas inlet connection, an anode gas outlet connection, a cathode gas inlet connection, and a cathode gas outlet connection are configured, wherein the anode gas inlet connection is configured on the one end plate, while the cathode gas inlet connection is configured on the other end plate. | 04-15-2010 |
20100083482 | Joining Method For Tubular Components - A method for joining two components, of which at least one is tubular in shape, more preferably of an exhaust system of an internal combustion engine. The joint can be produced in an easier manner with high quality if a ring-shaped joining element having an outer cone on at least one axial side with its outer cone is axially pressed into an axial end section of the one tubular component, as a result of which the end section of the one component widens along the outer cone when on its axial end of the widened end section and on the joining element a circumferential weld seam is produced and when the other component on an axial end section is joined with the joining element. | 04-08-2010 |
20100065597 | Fastening Device For Motor Vehicles - An embodiment of the present invention relates to a fastening device for the fastening of an attachment part on a carrying part, for a motor vehicle, with at least one hooking-in device, which includes a carrying element that is fastened or can be fastened to the carrying part. The fastening device further includes an attachment element that is configured to be fastened to the attachment part, and also has a securing element. | 03-18-2010 |
20100061898 | Exhaust Gas Retreatment Device - Provided is an exhaust gas retreatment device for an exhaust system of an internal combustion engine including a housing, in which an exhaust gas retreatment element and upstream thereof a silencer device are arranged, an inlet gas path leading from one housing inlet to an outlet of the exhaust gas retreatment element located in the interior of the housing, with an exhaust gas path following the inlet gas path which in the interior of the housing leads to the silencer device and/or through the silencer device as well as to a housing outlet. A cost-effective design can be achieved if the inlet gas path has a higher gas tightness than the exhaust gas path and/or if components of the exhaust gas retreatment device limiting the inlet gas path have a higher material quality than components of the exhaust gas retreatment device only limiting the exhaust gas path. | 03-11-2010 |
20100005798 | Exhaust System - The present invention relates to an exhaust system for an internal combustion engine, more preferably of a motor vehicle, with an exhaust gas turbine, with an exhaust pipe, whose inlet is fluidically connected with an outlet of the exhaust gas turbine, with a flange connection for connecting the exhaust gas turbine with the exhaust pipe which comprises a flange fastened to the exhaust pipe and attached to the exhaust gas turbine, and with a shielding apron which is so arranged and/or incorporated in the flange connection that in the operation of the exhaust system it protects a transition region between the flange and the exhaust pipe from direct admission of exhaust gas. | 01-14-2010 |
20090272106 | EXHAUST GAS TREATMENT UNIT - The present invention relates to an exhaust gas treatment unit for an exhaust system of a combustion engine, in particular of a motor vehicle, includes a housing, a plurality of exhaust gas treatment elements, which are arranged in the housing and through which a parallel flow is possible. The unit further includes an outlet nozzle, which penetrates a side face of the housing, and an outlet space disposed in the housing, whereby the outlet of at least one of the exhaust gas treatment elements opens into the outlet space. The rigidity and/or effectiveness of the exhaust gas treatment unit can be improved by means of a funnel body disposed in the outlet space, and comprising a funnel surface which is permeable to exhaust gas. The funnel body connects an outlet end of one of the exhaust gas treatment elements with the outlet nozzle. | 11-05-2009 |
20090255754 | ACTIVE MUFFLER - The present invention to an active muffler for an exhaust gas system of an internal combustion engine, in particular in a motor vehicle, includes a multi-shell housing having a pot-shaped top shell and a pot-shaped bottom shell, a funnel-shaped sound conducting body, which is inserted into the bottom shell and has a connection passing through the bottom shell and out of the housing, a loudspeaker, which is situated in the top shell and is attached to a flange section of the sound conducting body at a distance from the connection, such that a free inside cross section of the sound conducting body surrounded by the flange section is closed with an airtight seal, and a bypass through which an interior space of the top shell is connected to an interior space of the bottom shell so they communicate. | 10-15-2009 |
20090200795 | Component Connection - The present invention pertains to a connection between two annular sections of two components that are arranged coaxial to one another, particularly of an exhaust system of an internal combustion engine that is installed, in particular, in a motor vehicle. The connection comprises an annular connecting element that features a first ring section, as well as a second ring section that is arranged concentric to the first ring section. The ring sections are axially connected to one another in a rigid fashion on the face side by means of a connecting region. The first ring section is rigidly connected to the annular section of the first component by means of a first connecting region that is spaced apart from the connecting region while the second ring section is rigidly connected to the annular section of the second component by means of a second connecting region that is spaced apart from the connecting region. The connection is characterized by a high fatigue strength under thermal stress. | 08-13-2009 |
20090158724 | Exhaust Gas Collector - The present invention relates to an exhaust gas collector for an exhaust system of an internal combustion engine, in particular in a motor vehicle, having two internal shell bodies which each connect a plurality of inlet openings in a communicating fashion to an outlet opening, having an external shell body which encloses a receptacle space in which the two internal shell bodies are at least partially arranged. In order to improve the response behavior of a turbocharger, which can be connected to the exhaust gas collector, a dividing wall is proposed which divides the receptacle space into two partial spaces, one of the two internal shell bodies being at least partially arranged in each of the partial spaces. | 06-25-2009 |
20090158723 | Exhaust Manifold - The present invention relates to an exhaust manifold for an internal combustion engine, in particular in a motor vehicle, comprising a housing from which a plurality of inlet pipes emanate, which, in the built-in state, lead to cylinders of the internal combustion engine, and comprising a flange, which is welded to the inlet pipes and which, in the built-in state, is screwed to the cylinder head of the internal combustion engine by means of a screw connection. The fatigue strength of the exhaust manifold can be improved by subdividing the flange into at least two partial flanges in a longitudinal direction of the exhaust manifold. | 06-25-2009 |
20090158721 | Sliding Fit, Pipe Arrangement And Exhaust Gas Treatment Device - The present invention relates to a sliding fit for the axially movable bearing of a thermally loaded pipe on a component, in particular on an exhaust system of an internal combustion engine, having a wire mesh which is radially supported on the outside of the pipe and is secured directly or indirectly to the component. | 06-25-2009 |
20090158720 | Sliding Seat And Exhaust Gas Treatment Facility - The present invention relates to a sliding seat for mounting a thermally impacted pipe on a structural part so as to be axially movable, in particular in an exhaust gas system of a combustion engine, with a bearing material which is radially supported against pipe on the outside thereof and which is fixed on structural part via a retaining pipe fastened on structural part. | 06-25-2009 |
20090158588 | Exhaust Collector And Associated Manufacturing Method - The present invention relates to a method for manufacturing an air gap-insulated exhaust collector for an exhaust system of an internal combustion engine, in particular in a motor vehicle, wherein individual gas-conducting components of an inner shell body are inserted into one another in the region of at least one slide fit, wherein a calibrating process, in which a reduction in cross section takes place at least on the respective outer component, is carried out in the region of at least one slide fit of this type when the components are inserted into one another. | 06-25-2009 |
20080302598 | SILENCER - The invention relates to a silencer for an airborne sound conducting pipe system, including a housing enclosing an interior space, an inlet pipe having an outlet within the interior space, a bypass pipe branching off from inlet pipe within the housing and having an outlet, a control element actuated by the gas flow and arranged downstream of bypass pipe on or in the inlet pipe, and at least one outlet pipe having an inlet within the interior space. Furthermore, the interior space is acoustically unseparated in such a manner that the volume of the interior space loaded with the airborne sound is equal with opened and with closed control element. | 12-11-2008 |
20080267780 | MIXING AND/OR EVAPORATION DEVICE AND RESPECTIVE MANUFACTURING METHOD - The invention relates to a mixing and/or evaporation device for an exhaust system, an internal combustion engine, having a tubular body on whose one axial end are arranged several blades adjacent to one another in the circumferential direction, protruding radially inward and leaving free a central passage such that the blades are set at an angle to the axial direction. For inexpensive manufacturing, the tubular body may be manufactured from a single sheet metal body by shaping together with the blades. | 10-30-2008 |
20080216464 | EXHAUST GAS TREATMENT DEVICE AND METHOD - An exhaust gas treatment device for an exhaust system of an internal combustion engine includes a housing that is adapted to be tied into the exhaust system and at least one exhaust gas purification insert arranged in the housing. The exhaust gas purification insert includes an insert housing which is open at one end and at least one exhaust gas purification element arranged in the insert housing. The housing has at least one insert bracket which has at least one mounting opening on whose opening edge is supported an end section of the insert housing in the form of a ring. The end section forms a first spherical shell segment and the opening edge forms either a second spherical shell segment that is complementary to the first spherical shell segment or a conical jacket segment that fits the first spherical shell segment. | 09-11-2008 |