US Patent No: 5,866,079

Number of patents in Portfolio can not be more than 2000

Ceramic honeycomb catalytic converter

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Abstract

A ceramic honeycomb catalytic converter having a novel canning structure capable of stably retaining a thin-walled ceramic honeycomb catalyst within a metal casing for a long period. A retainer member in the form of a ceramic fiber mat is disposed between an inner peripheral surface of the casing and an outer peripheral surface of the honeycomb catalyst, in a compressed state to generate a surface pressure for retaining the honeycomb catalyst in place. The ceramic fiber mat is composed of heat resistant and non-intumescent ceramic fibers, and has a compression characteristic which is substantially free from a significant increase or decrease over an operative temperature range of the catalytic converter. The casing may be provided with at least one locking member for locking the ceramic fiber mat in a flow direction of exhaust gas passed through the honeycomb catalyst.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NGK INSULATORS, LTD.NAGOYA3079

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hijikata, Toshihiko Nagoya, JP 26 284
Ichikawa, Yukihito Nagoya, JP 81 314
Machida, Minoru Nagoya, JP 27 279
Yamada, Toshio Koganei, JP 177 1555

Cited Art

Patent Info (Count) # Cites Year
 
MINNESOTA MINING AND MANUFACTURING COMPANY (3)
4,929,429 Catalytic converter 73 1988
5,008,086 Erosion resistant mounting composite for catalytic converter 57 1988
5,250,269 Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers 46 1992
 
NIPPON SOKEN, INC. (2)
4,233,351 Ceramic honeycomb structure 48 1979
4,404,007 Exhaust gas cleaning element 32 1981
 
UNIFRAX I LLC (2)
4,999,168 Crack resistant intumescent sheet material 50 1989
5,580,532 Mounting mat for fragile structures such as catalytic converters 33 1994
 
CORNING INCORPORATED (1)
5,376,341 Catalytic converter for motorcycles 49 1992
 
INTERATOM GMBH (1)
4,795,615 Mounting for a metallic exhaust gas catalyst carrier body and method for manufacturing the same 31 1987
 
NGK INSULATORS, LTD. (1)
5,494,881 Ceramic honeycomb structural body and catalyst comprising the same 18 1994
 
SANKEI GIKEN KOGYO KABUSHIKI KAISHA (1)
4,925,634 Catalytic converter for use with internal combustion engine 12 1988

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
NGK INSULATORS, LTD. (9)
6,338,826 Gas duct having honeycomb structure 1 1999
6,521,193 Ceramic honeycomb gas duct assembly and method of making the same 2 2000
6,596,666 Honeycomb structure 12 2000
7,721,438 Assembling method using marked information and assembly assembled by said assembling method 0 2001
7,087,286 Honeycomb structure and assembly thereof 6 2002
7,078,086 Honeycomb structure and assembly thereof 11 2002
7,052,760 Honeycomb structural body and assembly thereof 12 2002
7,041,359 Honeycomb structure and assembly thereof 11 2002
7,273,649 Honeycomb structural body and canning structural body storing the honeycomb structural body 6 2003
 
EVOLUTION INDUSTRIES, INC. (4)
7,169,365 Automotive exhaust component and method of manufacture 2 2003
7,323,145 Automotive exhaust component and method of manufacture 0 2004
7,334,334 Automotive exhaust component and method of manufacture 2 2005
7,685,714 Automotive exhaust component and process of manufacture 0 2008
 
3M INNOVATIVE PROPERTIES COMPANY (3)
6,666,946 Method of high speed coating pigment-containing liquid coating materials 0 2001
7,645,426 Sandwich hybrid mounting mat 0 2004
7,550,118 Multilayer mats for use in pollution control devices 11 2004
 
SIEMENS ENERGY, INC. (3)
7,371,352 Catalyst element having a thermal barrier coating as the catalyst substrate 1 2002
7,541,005 Catalytic thermal barrier coatings 2 2005
7,691,341 Method of forming a catalyst element having a thermal barrier coating as the catalyst substrate 0 2008
 
IBIDEN CO., LTD. (2)
7,851,041 Honeycomb structure 1 2006
8,303,901 Alumina-silica-based fiber, ceramic fiber, ceramic fiber complex, retaining seal material, production method thereof, and alumina fiber complex production method 0 2008
 
ROHM AND HAAS COMPANY (2)
6,649,137 Apparatus with improved safety features for high temperature industrial processes 1 2001
7,063,827 Process for producing hydrogen cyanide 0 2003
 
AUTOMOTIVE COMPONENTS HOLDINGS, LLC (1)
7,794,672 Catalytic converter with sensor cavity 0 2007
 
AVOX SYSTEMS INC. (1)
6,595,383 Packaging for shipping compressed gas cylinders 1 2001
 
CORNING INCORPORATED (1)
6,298,729 Catalytic converter testing 15 1999
 
DELPHI TECHNOLOGIES, INC. (1)
6,814,771 Evaporative emissions control device with internal seals 11 2001
 
FORD GLOBAL TECHNOLOGIES, LLC (1)
7,378,060 Support seal for positive retention of catalytic converter substrate and method therefor 2 2005
 
KABUSHIKI KAISHA YUTAKA GIKEN (1)
6,673,320 Exhaust converter 3 2000
 
MITSUBISHI CHEMICAL FUNCTIONAL PRODUCTS, INC. (1)
6,746,979 Alumina fiber aggregate and its production method 4 2003
 
MORGAN CRUCIBLE COMPANY PLC, THE (1)
8,163,377 High temperature resistant fibres 0 2006
 
NISSAN MOTOR CO., LTD. (1)
6,447,735 Exhaust purifier and manufacturing method of same 5 1999
 
PLANSEE SE (1)
6,907,661 Method of joining a high-temperature material composite component 0 2002
 
SCAMBIA INDUSTRIAL DEVELOPMENTS AKTIENGESELLSCHAFT (1)
6,173,800 Exhaust system for a motor vehicle and motor vehicle 10 1998
 
UOP LLC (1)
7,033,421 Sorption cooling for handheld tools 3 2003
 
VIDA HOLDINGS LTD. (1)
8,309,032 Catalytic converter apparatus 0 2009