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5332554 |
Exhaust purifying catalyst for use in an internal combustion engine and method of manufacturing same
An exhaust gas purifying catalyst for use in an internal combustion engine includes a porous monolithic carrier, a catalyst coating layer formed on a surface of the monolithic carrier and...
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5331810 |
Low thermal capacitance exhaust system for an internal combustion engine
A low thermal capacitance exhaust pipe has a plurality of sections connected by an expansion joint to relieve thermal stress.
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5322672 |
Electrically conductive honeycomb body, and method of monitoring and operating it as an exhaust gas catalyst carrier body
A honeycomb body assembly, in particular a catalyst carrier body, comprises at least one electrically heatable honeycomb body having layered metal sheets forming a stack with a plurality of...
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5322671 |
Catalytic vessel
A catalyst vessel including an inlet at an upstream end, a plurality of catalytic chambers located downstream of the conduit, wherein at least two chambers are connected by a plate having one or...
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5318757 |
Honeycomb heater and catalytic converter
A honeycomb heater has a honeycomb structure having a number of passages defined by partition walls, at least two electrodes in electrical contact with the honeycomb structure, a catalyst...
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5316738 |
Exhaust gas converter device
Poisoning-preventive and poisoning-resistant materials including: a poisoning-preventive layer-possessing support comprising a support and, formed thereon, a poisoning-preventive layer having a...
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5308591 |
Core body for catalytic converter
The disclosure relates to an improved catalytic converter core which is characterized by a plurality of spaced rigid centrally located pins about which are wrapped a plurality of corrugated thin...
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5306470 |
Conical microlith catalytic reaction system
A conical microlith catalyst reaction system for use in automotive catalytic converters or gas turbine catalytic combustors advantageously utilizes a microlith catalyst bed formed from a wire cloth...
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5304351 |
Semi-oval shaped carrier having excellent thermal stress resistance and thermal fatigue resistance for automobile exhaust gas-purifying catalyst
A semi-oval shaped metallic carrier having an excellent thermal stress resistance and thermal fatigue resistance and used for an automobile exhaust gas-purifying catalyst, in which the carrier is...
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5302355 |
Exhaust purifying device and method of producing the same
In an exhaust purifying device for an internal combustion engine, a honeycomb core is constituted by a single webbing which is implemented as foil of stainless steel. The webbing is made up of a...
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5293743 |
Low thermal capacitance exhaust processor
An exhaust processor assembly includes an exhaust pipe and a substrate for treating emissions contained in combustion product emitted from an engine exhaust. The assembly also includes a second...
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5290522 |
Catalytic converter mounting mat
The present invention relates to a catalytic converter including a nonwoven mat comprising shot-free, high strength, magnesium aluminosilicate glass fiber.
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5286460 |
Method of operating catalytic converter
In a catalytic converter operating method according to the present invention, a heater is energized at a predetermined power level or above and thereby heated substantially concurrently with the...
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5277026 |
Internal combustion engine exhaust system
In an exhaust system for an internal combustion engine having a main exhaust conduit with a catalytic converter arranged remote from the engine and a bypass exhaust conduit which includes a...
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5272875 |
Catalytic converter for an internal combustion engine
A catalytic converter for use in the gas exhaust system of an internal combustion engine. The converter includes two honeycomb cores which are disposed in the direction of the exhaust gas flow in...
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5265419 |
Soot-particle filter for after-treatment of the exhaust gases of diesel engines
The invention relates to a soot-particle filter for after-treatment of the exhaust gases of diesel engines by oxidation and the supply of thermal energy. Exhaust-gas-permeable supporting tubes...
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5258164 |
Electrically regenerable diesel particulate trap
An electrically regenerable diesel particulate trap or filter comprising an electrically resistive expanded metal sheet or sleeve which when energized heats the filter element to a temperature...
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5246672 |
Spiral wound microlith catalyst bed
A microlith catalyst bed for use in automotive catalytic converters or gas turbine catalytic combustors. The microlith catalyst bed of the present invention advantageously utilizes a wire cloth...
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5243819 |
Exhaust gas cleaning device for diesel engines
An exhaust gas cleaning device for diesel engines has an exhaust gas soot filter (2) with a filter body (6) that is supported in a housing (4) and is regenerated by combustion of the soot when its...
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5229080 |
Resistance adjusting type heater and catalytic converter
A resistance adjusting type heater including a honeycomb structure with at least two electrodes provided thereon to supply a current to the honeycomb structure and with resistance adjusting...
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5218817 |
Method and apparatus of purifying exhaust gas from internal combustion engine
A catalyst body having carried in a carrier a three way conversion catalyst is disposed inside an exhaust pipe near an exit to the atmosphere. An internal combustion engine is operated in a rich...
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5215722 |
Catalytic converter with electrically resistive catalyst support
A catalytic converter includes a housing and a catalyst support disposed in the housing. The catalyst support includes a central electrode, a generally cylindrical honeycomb structure and a hollow...
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5215724 |
Sintered composite filter
A filter for removing impurities from waste gases, and especially from the waste gases of an internal combustion engine, includes a filter body consisting of a plurality of compression moulded,...
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5211012 |
Catalytic converter housing, particularly for starting catalytic converters, and associated catalyst carrier body
A housing assembly includes a catalyst carrier body having a given cross section, a given maximum length and a given maximum width. A housing has an interior and a cross section being larger than...
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5203165 |
Method for the lambda control of an internal combustion engine having a catalyzer
The invention is directed to a method for lambda control of an internal combustion engine having a catalyzer and a measuring probe arrangement in front of the catalyzer for emitting a measuring...
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5204066 |
Method of operating catalytic converter
In a catalytic converter operating method according to the present invention, a heater is energized at a predetermined power level or above and thereby heated substantially concurrently with the...
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5195607 |
Exhaust system for automotive engine
A dual type exhaust system is used in an automobile having an internal combustion engine with transversely mounted front and rear rows of cylinders. Two exhaust pipe assemblies extend from the...
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5193341 |
Arrangement for removing oxidizable or combustible particles from exhaust gases
The invention relates to a device for removing soot particles from exhaust gases of a diesel engine. To this end, the exhaust pipe (15) of the diesel engine (1) is connected to a vortex tube (2)...
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5190732 |
Catalyst with a double casing system
An encased catalyst, especially for motor vehicles, includes at least one metal honeycomb catalyst carrier body through which exhaust gas can pass. At least one inner jacket tube carries the at...
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5185998 |
Catalytic converter accessory apparatus
The present invention features an automotive catalytic converter accessory device for improving the converter's efficiency and operational life. The accessory device has a housing disposed in the...
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5184464 |
Noise and emmission control apparatus
Improved noise and emission control apparatus for use with an internal combustion engine which include an enclosed cylindrical housing. Mounted in the housing is: noise reduction apparatus,...
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5177960 |
Metal-made carrier body for exhaust gas
A metal-made carrier body, for carrying thereon an exhaust gas cleaning catalyst, is in the form of a multi-layered composite body composed of at least sheet-like metal band and a corrugated metal...
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5174968 |
Structure for electrically heatable catalytic core
There is provided an improved electrically heatable core for an electrically heatable catalytic converter. The core is characterized by corrugated thin metal strips and flat thin metal strips in...
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5171341 |
Concentric-tube diesel particulate filter
An efficient, economical, compact diesel particulate filter comprising a casing with a plurality of concentric, spaced, perforated, supported, substantially rigid tubes substantially filling the...
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5169604 |
Catalytic converter with replaceable carrier assembly
An apparatus for effecting high temperature catalytic conversion treatment of combustion exhaust gasses flowing in an exhaust path of an industrial installation which comprises a housing assembly...
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H001113 |
Apparatus for supplying power to electrically heated catalyst converter
A catalyst heating apparatus includes an electrically heated catalyst converter mounted in an exhaust passage of an internal combustion engine, the catalyst converter having a catalyst and a...
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5163289 |
Automotive exhaust system
An automotive exhaust system incorporating an insulated exhaust pipe. The insulation is selected so that it is very efficient at relatively low temperatures, thereby allowing the exhaust gases to...
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5154894 |
Variable cross section catalytic converter
A catalytic converter for use in the exhaust system of an internal combustion engine having a rigid outer canister with a catalyst support disposed therein for movement between a first position...
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5151254 |
Exhaust gas cleaning device for internal combustion engine
An exhaust gas cleaning device is disposed within an exhaust pipe connected to the exhaust port of an internal combustion engine. The exhaust gas cleaning device comprises an inner pipe disposed...
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5151253 |
Catalytic converter having a monolith mounting of which is comprised of partially dehydrated vermiculite flakes
A monolith can be mounted in a catalytic converter by a material containing intumescent vermiculite flakes that have a uniform content of chemically bound water from about 1.0 to 3.2% by weight and...
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5150573 |
Catalyst arrangement with flow guide body
A catalyzer configuration, in particular for internal combustion engines, has a diffusor which widens in the direction of flow disposed upstream of a honeycomb body, a converger which narrows in...
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5144800 |
Exhaust manifold system for a transverse v-type engine
An exhaust manifold system is provided for a transverse V-type engine including front and rear banks, each having a plurality of cylinders. The exhaust manifold system includes a front exhaust...
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5144797 |
Exhaust gas pipe with catalyst carrier body exposed to a helical flow
An exhaust gas pipe includes a plurality of segments forming at least one angular bend which preferably includes an angle of approximately 90°. The segments include a first segment having a given...
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5140813 |
Composite catalytic converter
There is provided a composite catalytic converter for removing pollutant materials from an exhaust gas stream. The converter is composed of an electrically heatable catalytic converter and a...
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5138834 |
Exhaust system for v-configured internal combustion engine with close-mounted catalytic converter
An exhaust system for a v-configured, internal combustion engine having a close-coupled, catalytic converter having a converter assembly located adjacent the engine comprising a pre-chamber...
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5108716 |
Catalytic converter
A catalytic converter for purification of exhaust gas discharged from an automotive internal combustion engine. The catalytic converter is comprised of first and second three-way catalysts disposed...
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5106588 |
Monolithic catalytic converter
A catalytic converter for use in an automobile exhaust gas system suitable for use with an alcohol-containing fuel is provided. Preferably, the catalytic converter contains a palladium-impregnated...
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5094074 |
Catalytic converter with metallic carrier and method for producing same
A catalytic converter for purifying exhaust gas from an automotive vehicle engine. The catalytic converter is composed of a metallic carrier for catalyst metal, disposed inside a casing. The...
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5094073 |
Device for the catalytic cleaning or other treatment of internal combustion engine exhaust gases with two exhaust gas treating bodies and a protective ring between them
Device for the catalytic cleaning of or soot removal from exhaust gases of internal combustion engines, comprising a housing that has two open end zones connected to an exhaust gas line and a flow...
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5065576 |
Exhaust gas purifying device for a diesel engine
An exhaust gas purifying device for a diesel engine comprising an outer casing accommodating a catalyst-carrying honeycomb having a dustfree structure, and a baffle plate arranged in the outer...
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