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| Number | Title | Issue Date |
| 7276295 | Metal foil with an embossed structure for use in the purification of exhaust gas and a tool and method for its production The subject matter of the present invention relates to a metal foil with an embossed structure for use in the purification of exhaust gas as well as to a tool and a method for its production. In the direction of the main flow, the metal foil has alternating peaks wi... | 10/02/2007 |
| 7229598 | Diffusion bonded metallic catalyst carrier and production thereof A honeycomb body, which is composed in such a manner that a strip of corrugated foil made of heat-resistant stainless steel containing aluminum and a strip of flat foil made of stainless steel are alternately wound or laminated on each other, is incorporated into an... | 06/12/2007 |
| 7217309 | Microporous paper filter for particulates A microporous paper filter (10) for particulates emitted together with the exhaust gases of internal combustion engines, made in the form of a folded up sheet to form a “Greek key” i.e. having several filtering layers (13) placed substantially para... | 05/15/2007 |
| 7197822 | Metallic honeycomb structure and process for producing the same A honeycomb structure includes a plurality of substantially parallel channels, a layer of at least partially structured metal foils and a housing. The layer includes a number N of at least partially structured metal foils and a number N+1 of smooth metal foils. The ... | 04/03/2007 |
| 7083860 | Metallic honeycomb body having at least partially perforated sheet-metal layers A metallic honeycomb body has an axial length, a partial volume covering at least 55% of the axial length, a radial dimension of at least 20 mm, an inflow end side and an outflow end side. The honeycomb body includes sheet-metal layers structured to permit a fluid t... | 08/01/2006 |
| 7030059 | Metal catalyst carrier A metal catalyst carrier has a core comprising a corrugated sheet and a flat sheet with a plurality of slots in a shape elongated in a direction perpendicular to a cell passage direction. The slots are formed before a sheet metal is corrugated and have a predetermin... | 04/18/2006 |
| 7011893 | Metallic layer with regions of varying material thickness, method for producing such a metallic layer and honeycomb body at least partly produced from such metallic layers A process for producing a metallic layer includes forming structures at least in subregions of the metallic layer. The structures have corrugation troughs and corrugation peaks, an upper bearing surface formed at least in part from the peaks, and a lower bearing sur... | 03/14/2006 |
| 6982065 | Catalyzer A catalyzer has a plurality of plane sheets arranged superposed and spaced apart from each other in a stack, between which a plurality of straight channels extend parallel in the flow direction and are delimited by the plane sheets. The plane sheets are coated in su... | 01/03/2006 |
| 6846775 | Recombinator for eliminating hydrogen from accident atmospheres The invention relates to a catalyst element for a recombinator for eliminating hydrogen from accident atmospheres, in which the technical problem of continuously efficiently converting both small and large amounts of hydrogen with the atmospheric air-oxygen present ... | 01/25/2005 |
| 6821639 | Metal substrate for carrying catalyst and method for manufacturing the same A wide sheet formed of a metal foil is wound a plurality of times around outer peripheral surfaces of four honeycomb matrices arranged in series to form an intermediate tube. As a result, a subassembly is formed. A brazing filler material is wound around an outer pe... | 11/23/2004 |
| 6810670 | Corrugated catalyst support structure for use within a catalytic reactor A catalytic section of a combustor is formed from a spaced tandem array of corrugated panels. The exterior top and bottom surfaces of the panels are coated with a catalyst and the space between panels defines a passage for a fuel-rich/air mixture. The interior of th... | 11/02/2004 |
| 6797666 | Honeycomb filter and process for production thereof A honeycomb filter is composed mainly of silicon carbide or of metallic silicon and silicon carbide; the filter being formed by bonding a plurality of honeycomb segments each of which has a plurality of through-holes being partitioned by porous partition walls. The ... | 09/28/2004 |
| 6761980 | Metallic catalyst carrier A metallic catalyst carrier 2 has good productivity and improves the exhaust performance by causing the flow of exhaust gas therein to become turbulent, without causing tearing, cutting, and warping of its honeycomb-structure The metallic catalyst carrier ... | 07/13/2004 |
| 6710013 | Exhaust emission control catalyst structure Provided is a catalyst structure used for purifying an exhaust gas; to be disposed in an exhaust gas flow passage; preferable for obtaining a highly efficient and compact exhaust gas purifying apparatus; and produced by alternately stacking platelike catalyst... | 03/23/2004 |
| 6699587 | Rough surface finished metallic foil with good corrugation workability and catalyst support for exhaust gas purification The present invention is: a metallic foil to be used for a metallic honeycomb for purifying exhaust gas of an automobile or the like, said metallic foil not causing cracks or ruptures to develop in the foil even when it undergoes corrugation work with mor... | 03/02/2004 |
| 6673466 | Housing with a passivation layer, catalyst carrier body with a housing and method for producing a catalyst carrier body with such a housing A housing for a honeycomb body includes a jacket tube with an inner wall surface. The jacket tube has a passivation layer in at least one section of the inner wall surface in order to deliberately modify a connection to the honeycomb body by joining. A me... | 01/06/2004 |
| 6660401 | Disposition of solder for heat resistant structure The present invention provides a solder disposed configuration for a heat resistant structure for forming a catalytic converter for purifying the exhaust gas in an engine. The heat resistant structure is composed of a honeycomb structure fitted and fixed ... | 12/09/2003 |
| 6660402 | Metal substrate A honeycomb structure brazed with an outer casing has a large corrugated foil and a small corrugated foil overlapped and wound alternately and formed like a cylinder by diffused junction. The large corrugated foil and the small corrugated foil has 20 μm ... | 12/09/2003 |
| 6630423 | Graded metal catalytic tubes An improved metal catalytic tube includes an elongated metal member formed at least partially of metal particles and including a catalytic enhancement incorporated into the metal member. The metal member is formed with a cavity and includes an inner surfa... | 10/07/2003 |
| 6537681 | Honeycomb and process for its manufacture The invention relates to a honeycomb, particularly a catalytic converter substrate, with a honeycomb structure comprising a large number of ducts running in the longitudinal direction of the honeycomb, through which a fluid can flow, where the honeycomb d... | 03/25/2003 |
| 6521200 | Catalyst and process for oxidation of sulphur dioxide A process for the recovery of sulphur trioxide, solutions of sulphuric acid, or organic derivatives thereof, using organic compounds and/or supercritical fluids, and catalyst. The process comprises the steps of passing a mixture of SO2 and an o... | 02/18/2003 |
| 6497130 | Method for corrugating a metal foil and packages of such foil A method for corrugating a metal foil (11), which together with a longitudinally flat foil (12) is intended to form a foil package pervious to liquid or gas, where the folds are made with a very small fold radius by rolling in at least two steps between r... | 12/24/2002 |
| 6467169 | Process for producing a honeycomb body using a hard metal sheet and semi-manufactured honeycomb body A process for producing a honeycomb body, in particular for an exhaust gas catalytic converter, includes cold-shaping at least one hard metal sheet for at least partially providing the hard metal sheet with a structure. No soft annealing of the hard metal... | 10/22/2002 |
| 6436551 | Honeycomb body made of sheet-metal layers of different initial materials A honeycomb body of a catalytic reactor with channels through which a fluid can flow, in particular of a catalytic reactor for exhaust gases of an internal combustion engine of a motor vehicle, includes alternating essentially smooth and structured, and i... | 08/20/2002 |
| 6368726 | Honeycomb body configuration A honeycomb body configuration includes a honeycomb body with a fluid inlet side and a fluid outlet side. The honeycomb body is formed of at least partially structured sheet metal layers which form channels through which a fluid can flow. The honeycomb bo... | 04/09/2002 |
| 6365283 | Monolithic metallic honeycomb body with a varying number of channels and method for manufacturing the honeycomb body A monolithic honeycomb body includes mutually spaced-apart inlet and outlet flow ends, different successive sections between the flow ends, and at least partially structured sheet metal layers having structures forming walls defining channels through whic... | 04/02/2002 |
| 6316121 | Metal foil with through openings and honeycomb body A metal foil includes at least two intersecting structures, which are spaced from an imaginary reference surface and which define an intersection region. The at least two intersecting structures partially superpose one another in the intersection region a... | 11/13/2001 |
| 6288008 | Metallic catalyst support and production method thereof A metallic catalyst support of honeycomb construction easy to manufacture and having a large strength is obtained in the invention by bonding at least one predetermined part of an end face opening of a core unit in axial direction across the end face open... | 09/11/2001 |
| 6287523 | Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film In the corrugated metal sheet 5 in which the crest portions 5a and the trough portions 5b are formed in plural alternatively along the corrugation direction 61, the rack portions 5f, the rising trough portions 5d, and the rising crest portions 5e are prov... | 09/11/2001 |
| 6190784 | Conical honeycomb body with longitudinal structures A conical honeycomb body includes a tubular casing which is conical with respect to an axis. At least one stack in the casing is formed of at least one layer at least partially having waves. The layers bound a plurality of channels through which a fluid c... | 02/20/2001 |
| 6187274 | Turbulence inducer in a catalytic converter channel A catalytic converter includes a channel for conducting a gas flow forwardly in a longitudinal direction. The channel is coated with a catalyst and has at least first and second turbulence generators spaced apart in the longitudinal direction for making t... | 02/13/2001 |
| 6145195 | Process for the production of a honeycomb body of twisted sheet metal layers A honeycomb body has a plurality of at least partially structured sheet metal layers forming a plurality of passages through which a fluid can pass. The sheet metal is plastically deformed in a region of a mandrel passage whose cross-section is substantia... | 11/14/2000 |
| 6136450 | Honeycomb body, in particular a catalytic converter carrier body, with a reinforced wall structure A honeycomb body, in particular a catalytic converter carrier body, with stacked and/or wound sheet layers of which at least a portion are structured sheet layers, thus forming passages through which a fluid can flow. A portion of the sheet layers is of a... | 10/24/2000 |
| 6099809 | Catalytic converter having a metal foil substrate A low profile catalytic converter for use with an internal combustion engine that has a canister provided with a plurality of smooth foil sections arranged in substantially perpendicular relationship with the top and bottom walls of the canister. The smoo... | 08/08/2000 |
| 6080371 | Catalytic converter and honeycomb metallic catalyst bed unit therefor A plurality of corrugated sheet metal portions are put on one another to constitute a honeycomb metallic catalyst bed. Each sheet metal portion has a plurality of straight, parallel, alternate ridge and groove portions, so that when each upper sheet metal... | 06/27/2000 |
| 6060173 | Metal honeycomb body An improved honeycomb body having a perimeter which encloses the cross section of the honeycomb body. The honeycomb is formed by folding a strip of metal foil back and forth upon itself to provide folds, the foil having corrugations whereby the corrugatio... | 05/09/2000 |
| 6057263 | Metallic catalyst carrier A metallic catalyst carrier forming part of a catalytic converter for purifying exhaust gas discharged from an internal combustion engine of an automotive vehicle. The metallic catalyst carrier comprises a plurality of layers of corrugated metal sheet whi... | 05/02/2000 |
| 5948504 | Electrically insulating supporting structure capable of metallic bonding, process for producing the same, electrically heatable catalytic converter and electrically conductive honeycomb body using the same An electrically insulating supporting structure, such as of an electrically heatable catalytic converter or honeycomb body being mechanically loadable in all directions for metallic bonding to electrically conductive components being electrically separate... | 09/07/1999 |
| 5942456 | Multi-functional catalytic distillation structure A catalytic distillation structure containing (1) a solid catalytic material comprising a catalyst component and (2) a structure. The total volume of open space for the catalytic distillation structure should be at least 10 volume % and preferably at leas... | 08/24/1999 |
| 5902558 | Diskwise-constructed honeycomb body, in particular catalyst carrier body and apparatus for catalytic conversion of exhaust gases A honeycomb body, in particular a catalyst carrier body, for catalytic conversion of exhaust gases in an exhaust gas system, especially an exhaust gas system of an internal combustion engine, preferably an Otto engine, includes a central channel and adjac... | 05/11/1999 |
