Class / Patent application number | Description | Number of patent applications / Date published |
029890080 | Muffler, manifold or exhaust pipe making | 25 |
20080196248 | Method for Producing an Exhaust-Carrying Device - A method of producing an exhaust gas-carrying device in which the gas-carrying device includes at least one insert piece and a cylindrical outer housing is disclosed. The method includes the steps of introducing the insert piece into the outer housing and applying radial forces with clamping jaws which bear against the outer surface area of the outer housing and plastically deform the outer housing inwards in order to clamp the insert piece in the outer housing. The clamping jaws are configured to have edges such that marking lines are formed in the outer housing which do not continuously extend axially parallel to the outer housing along that portion of the outer housing in which the insert piece is arranged. | 08-21-2008 |
20080201949 | Method for the Production of an Exhaust Gas Conducting Device, Especially an Exhaust Gas Purifying Device for a Vehicle - In a method of fabricating an exhaust gas handling device, particularly an automotive emission control device, an insert, for example comprising a substrate and a support matting, is sensed as to its specific elasticity before it is clamped in place in an outer housing. For sensing, the insert is pressurized from without in a sensing station. Via the applied pressure and the displacement of the sensing tool the displacement of the insert at which it is to be clamped in place in the outer housing is determined. Then, the insert is fitted in an outer housing the inner dimensions of which correspond to the previously sensed wanted outer dimensions of the insert in the wanted compression. | 08-28-2008 |
20080301942 | Method for manufacture of complex heat treated tubular structure - A method for manufacturing a complex heat treated tubular structure includes making a tube assembly having tube portions along its length of differing characteristic. The tube assembly is formed by lengthwise tube bending and hydroforming to provide a desired shape. The tube is formed by lengthwise tube bending and hydroforming to provide a desired shape. The tube is fixedly supported in a locating fixture having a plurality of supports spaced along the tube to support the tube against distortion. A local region of the tube is heated in at least one local region to a temperature to heat treat the local region. A quenching medium is then flushed through the hollow interior of the tube, and the tube is removed from the locating fixture. | 12-11-2008 |
20080313904 | Three-piece lower manifold for a V-style engine intake manifold - A lower manifold for a V-style internal combustion engine comprising at least three shells: a top shell for mating with an upper manifold; a left shell for mating with a left engine head; and a right shell for mating with a right engine head. The three shells are formed independently by injection molding and are joined as by vibration welding when aligned in a welding jig. The molds for the left and right shells are formed such that the seal ring groove has a rectangular cross-section having sidewalls perpendicular to the lower shell surface because each left and right shell has its own draft angle preferably perpendicular to its lower shell surface. The method and apparatus of the invention permits runner cross-sections to be significantly rounded, which improves air flow characteristics of the runners. | 12-25-2008 |
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 |
20090165301 | Method for Repairing a Turbine Nozzle Segment - A method for repairing a turbine nozzle segment includes providing a turbine nozzle segment having an enclosure with an integral discourager, removing the enclosure and/or the discourager from the turbine nozzle segment and attaching a new enclosure ad/or discourager to the turbine nozzle segment. | 07-02-2009 |
20090265934 | Tail Trim Assembly of Exhaust Pipe for Vehicle and Method of Manufacturing the Same - The present invention relates to a tail trim assembly of an exhaust pipe for a vehicle of which shape is simplified to reduce the number of portions and process is changed to simplify processes so that manufacturing cost is reduced and productivity and quality are improved, and a method of manufacturing the tail trim. According to the present invention, a tail trim of an exhaust pipe for a vehicle includes a first tail trim portion of which one end is attached to an exhaust pipe at the rear portion of a vehicle, and a second tail trim portion that has an inner diameter increased in a streamlined shape toward the outside and is integrally formed with the other end of the first tail trim portion. | 10-29-2009 |
20100107413 | HOOP-STRESS CONTROLLED SHRINKING FOR EXHAUST COMPONENT - A method and apparatus for assembling an exhaust component includes providing a substrate assembly with a substrate body and a mat wrapped around the substrate body. A gauging system is used to determine a hoop stress for the substrate assembly and is used to predict a shrinking diameter for an outer shell that is to receive the substrate assembly based on the hoop stress. | 05-06-2010 |
20100269344 | Process for manufacturing mufflers with polymeric bodies - Disclosed is a process for making muffler systems wherein the muffler polymeric bodies have a cross section that is constant over the length of the muffler polymeric body. The muffler systems are inexpensive to make and install. | 10-28-2010 |
20100313421 | METHOD FOR MOLDING PRODUCTS ADAPTED FOR USE IN DIFFERENT APPLICATIONS - A method is provided for forming intake manifolds for an internal combustion engine and for fastening such manifolds to the engines. The method includes: molding a plurality of identical ones of the intake manifolds, each one of the intake manifolds being molded with at least one hollow projection extending outwardly from an outer surface of the manifold, each one of the projections being molded with a cap at the distal end to seal the distal end of the hollow projection; removing the cap at a selected one or ones of the projections while leaving the cap on unselected one or ones of the projections; fastening each one of the intake manifolds to a corresponding one of a plurality of internal combustion engines; and for each one of the fastened intake manifolds, attaching a hose or hoses to the distal end or ends of the selected one or ones of the plurality of projections. | 12-16-2010 |
20110099811 | METHOD FOR MANUFACTURING A MEMBER FOR PURIFYING AUTOMOBILE EXHAUST GAS - A method for manufacturing a member for purifying exhaust gas for an automobile exhaust line, including an enclosure, an exhaust gas purification unit arranged in the enclosure, and at least one element for supporting the unit. The method includes the following steps:
| 05-05-2011 |
20110185575 | Method of Producing an Insulated Exhaust Gas Device - A method is provided for producing an exhaust gas aftertreatment or acoustic device ( | 08-04-2011 |
20110185576 | METHOD OF MANUFACTURING AN EXHAUST GAS CARRYING DEVICE AND TOOL THEREFOR - A method of manufacturing an exhaust gas carrying device, in particular an exhaust gas purification device, and a tool provided therefor include segment-like jaws that are used to deforma an outer housing. The jaws have indentations or projections adjacent to each other, and which are complementary to form a continuously surrounding indentation/projection. The reshaped outer housing is provided with one or more surrounding projections or indentations by the deformation. | 08-04-2011 |
20120137519 | APPARATUS AND METHOD FOR FORMING AN ANTIPOLLUTION DEVICE HOUSING - A tool assembly for forming a workpiece into a housing with a non-round design outer profile at least partially defined by an outer surface at a design position reduced from the initial position thereof. The tool assembly includes a ring portion having a bore therein at least partially defined by an inner surface, and an insert portion with a back plate and a number of elongate jaw segments, each jaw segment having between a back end thereof engaged with the back plate. When the insert portion is moved from an open condition to a closed condition, the inner surface of the ring portion urges the jaw segments inwardly, causing the jaw segments to engage substantially the entire outer surface and to move the outer surface from an initial position to the design position, reducing an initial outer profile to the design outer profile and forming the workpiece into the housing. | 06-07-2012 |
20140041225 | TAIL TRIM ASSEMBLY OF EXHAUST PIPE FOR VEHICLE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a tail trim assembly of an exhaust pipe for a vehicle of which shape is simplified to reduce the number of portions and process is changed to simplify processes so that manufacturing cost is reduced and productivity and quality are improved, and a method of manufacturing the tail trim. According to the present invention, a tail trim of an exhaust pipe for a vehicle includes a first tail trim portion of which one end is attached to an exhaust pipe at the rear portion of a vehicle, and a second tail trim portion that has an inner diameter increased in a streamlined shape toward the outside and is integrally formed with the other end of the first tail trim portion. | 02-13-2014 |
20140310959 | FREQUENCY-TUNABLE BRACKETLESS FLUID MANIFOLD - A method of assembling a fluid manifold includes: providing an array of spaced-apart manifold fittings, each manifold fitting having: a generally tubular neck; a pair of spaced-apart generally tubular arms extending away from a first end of the neck; and a coupling connected to a second end of the neck; and placing each manifold fitting in a predetermined angular orientation; and providing a plurality of curved tubes, and coupling one end of each tube to one arm of each of two adjacent ones of the manifold fittings, such that the assembled manifold has a predetermined first natural frequency. | 10-23-2014 |
20140360016 | Method of Manufacturing an Exhaust Gas Carrying Device and Tool Therefor - A method of manufacturing an exhaust gas carrying device, in particular an exhaust gas purification device, and a tool provided therefor include segment-like jaws that are used to deforma an outer housing. The jaws have indentations or projections adjacent to each other, and which are complementary to form a continuously surrounding indentation/projection. The reshaped outer housing is provided with one or more surrounding projections or indentations by the deformation. | 12-11-2014 |
20150290698 | APPARATUS AND METHOD FOR FORMING AN ANTIPOLLUTION DEVICE HOUSING - A tool assembly for forming a workpiece with an outer surface into a housing with a non-round design outer profile. The tool assembly includes a number of jaw segments, each jaw segment having an internal surface for engaging the outer surface. The jaw segments are movable between a first condition and a second condition, in which the internal surfaces of the jaw segments substantially define the design outer profile of the housing. Each internal surface has a preselected end point associated therewith defined by a radius centered on the preselected end point that is substantially coincident with the portion of the design outer profile defined by the internal surface. Each jaw segment is movable toward the preselected end point therefor when moved from the first condition to the second condition, and away from the preselected end point therefor when moved from the second condition to the first condition. | 10-15-2015 |
20150322842 | SUB-MUFFLER AND MANUFACTURING METHOD OF SUB-MUFFLER - A manufacturing method of a sub-muffler ( | 11-12-2015 |
20150343509 | MANUFACTURING METHOD AND MANUFACTURING DEVICE OF SUB-MUFFLER OUTER CYLINDER - Provided is a manufacturing method of a sub-muffler outer cylinder ( | 12-03-2015 |
20150354433 | Method for Installing Inlet Pipe and Method for Supporting Inlet Pipe - A disposing method for an inlet pipe in a muffler that includes an outer shell, an inlet pipe, and a separating plate, the disposing method comprising: a first step of inserting the inlet pipe into the outer shell from an opening at one end of the outer shell; a second step of disposing the inlet pipe by moving the inlet pipe within the outer shell in a direction substantially orthogonal to the direction of insertion of the inlet pipe; and a third step of disposing the separating plate by inserting the separating plate into the outer shell from the opening at the other end of the outer shell. | 12-10-2015 |
20160032813 | EXHAUST CONNECTION MEMBER WITH BRAIDED COVER AND METHOD OF MAKING THE SAME - An exhaust connection coupler and a method for manufacturing a braid cover incorporated therein are provided. The method of manufacturing comprises the steps of providing a tubular sleeve formed of braided wire filaments and forming at least one end of the sleeve into shape using a forming die such that the at least one end of the cover includes a circumferential neck portion having a diameter smaller than the diameter of a body portion of the cover. In the method, the sleeve may be pressed between male and female forming dies in order to create the cover's desired shape, which can include a shoulder extending radially outwardly from the cover's neck portion and meeting the cover's body portion at a corner. | 02-04-2016 |
20160069246 | METHOD OF PRODUCING AN INSULATED EXHAUST DEVICE - A method for producing an exhaust gas aftertreatment or acoustic device ( | 03-10-2016 |
20180023463 | TURBINE WASTEGATE ASSMEBLY | 01-25-2018 |
20220136425 | PROCESS FOR INCREASING MASS FLOW OF AN EXHAUST GAS THROUGH A CATALYTIC CONVERTER - Described herein is a process for increasing mass flow of an exhaust gas through a catalytic converter system for a vehicle. The process may comprise determining a centerline and corresponding cumulative centerline bend angle of a first catalytic converter system spanning from an inlet point at a first end of the catalytic converter systems exhaust pipe to an outlet point at a second end of the catalytic converter systems extension pipe. Once determined, the cumulative centerline bend angle may be increased by increasing an individual bend radius of at least one bend within the exhaust pipe and/or within the extension pipe. | 05-05-2022 |