F01N3/2864

THERMAL INSULATION STRUCTURE AND METHOD OF MAKING SAME
20230021664 · 2023-01-26 ·

A thermal insulation structure comprising a first member, a second member, a mat material and an inorganic adhesive. The first member comprises a first surface having a temperature potentially reaching 200° C. or higher. The second member comprises a second surface disposed opposite to the first surface of the first member. The mat material is disposed between the first member and the second member. An area is formed on at least one of the first surface and the second surface, with the area including the inorganic adhesive. The inorganic adhesive exhibits adhesiveness upon being heated.

Exhaust aftertreatment sensor table mounting apparatus and method of installing the same

A sensor table mounting system includes an insulating blanket assembly and a senor table. The insulating blanket assembly is configured to surround an external housing surface of an exhaust aftertreatment component housing. The insulating blanket assembly includes an inner blanket surface, an outer blanket surface, and a first restraint. The outer blanket surface is opposite the inner blanket surface. The first restraint includes a first restraint first end that is fixed to the outer blanket surface. The sensor table includes a platform, a first standoff, a second standoff, a first footing, and a second footing. The first footing is offset from the platform by the first standoff and configured to be coupled to the first restraint. The second footing is offset from the platform by the second standoff and configured to be coupled to the first restraint.

Mounting mat for a pollution control device

The present invention provides a mounting mat (30) for mounting a pollution control element (20) or monolith in a pollution control device (10), said mounting mat comprising a layer having a mixture of long and short fibers wherein said short fibers have a length of not more than about 13 mm and wherein said long fibers have a length of at least about 20 mm and wherein the amount of said short fibers is at least about 3% by weight based on the total weight of said mixture of long and short fibers.

Exhaust gas treatment arrangement
20230304431 · 2023-09-28 ·

An exhaust gas treatment arrangement for an exhaust gas system of an internal combustion engine includes a housing which is elongated in the direction of a housing longitudinal axis, and at least one exhaust gas treatment unit which is arranged in the housing and has a shell. At least one bearing/sealing unit with at least two bearing/sealing rings is arranged in a radial intermediate space formed between the shell and the housing. The at least two bearing/sealing rings follow one another radially, are nested inside one another and are each interrupted in a circumferential interruption region. The circumferential interruption region of at least one of the bearing/sealing rings is offset in the circumferential direction with respect to a circumferential interruption region of another one of the bearing/sealing rings.

Double canning exhaust gas purification device

A purification device includes an outer housing canning, extending along a longitudinal axis, and in which exhaust gas is configured to circulate A purification unit is housed in the outer housing canning and incorporates at least one inductive element. An inner induction canning is housed in the outer housing canning and surrounds the purification unit, and comprises an induction device configured to induce an electric current in the at least one inductive element. A holding and insulation assembly is housed in the outer housing canning and surrounds the purification unit. The holding and insulation assembly includes at least one of: an inner holding web positioned radially between the inner induction canning and the purification unit, and/or end rings surrounding the purification unit and positioned on either side of the inner induction canning in a longitudinal direction parallel to the longitudinal axis.

COMPOSITE TYPE HEAT INSULATOR AND METHOD FOR PRODUCING THE SAME

Provided are a composite type heat insulator having an excellent heat insulating properties at high temperatures regardless of its thin body, and a method for producing the same. The composite type heat insulator comprises a first and a second cloths composed of silica fibers having a hydroxyl group; and a heat insulating layer sandwiched between the first and the second cloths. The heat insulating layer contains a silica aerogel and silica staple fibers having a fiber length of 0.5 to 5 mm. The heat insulating layer may optionally contain an infrared absorber and/or a film-forming inorganic binder.

Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device

A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the insulating layer has a porosity of from 1% to 12%.

TUBULAR MEMBER FOR EXHAUST GAS TREATMENT DEVICE AND EXHAUST GAS TREATMENT DEVICE USING THE TUBULAR MEMBER, AND METHOD OF MANUFACTURING TUBULAR MEMBER FOR EXHAUST GAS TREATMENT DEVICE

A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the insulating layer has a porosity of from 1% to 12%.

Mat having long and short inorganic fibers

The present invention provides a mat comprising a layer having a mixture of long and short fibers wherein said short fibers have a length of not more than about 13 mm and wherein said long fibers have a length of at least about 20 mm and wherein the amount of said short fibers is at least about 3% by weight based on the total weight of said mixture of long and short fibers.

EXHAUST AFTERTREATMENT SENSOR TABLE MOUNTING APPARATUS AND METHOD OF INSTALLING THE SAME

A sensor table mounting system includes an insulating blanket assembly and a senor table. The insulating blanket assembly is configured to surround an external housing surface of an exhaust aftertreatment component housing. The insulating blanket assembly includes an inner blanket surface, an outer blanket surface, and a first restraint. The outer blanket surface is opposite the inner blanket surface. The first restraint includes a first restraint first end that is fixed to the outer blanket surface. The sensor table includes a platform, a first standoff, a second standoff, a first footing, and a second footing. The first footing is offset from the platform by the first standoff and configured to be coupled to the first restraint. The second footing is offset from the platform by the second standoff and configured to be coupled to the first restraint.