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AFTERTREATMENT MOUNTING SYSTEM

Номер патента: US20120096833A1. Автор: Baig Mirza P., Gandhi Ramanlal M., Jeffs Rick E., Sakaray Umakanth, Stephens Brandon J., Storm Steven R., Tan Dongming, Velasquez Tetsu O.. Владелец: CATERPILLAR INC.. Дата публикации: 26-04-2012.
An exhaust aftertreatment module comprising a plurality of mounts for connecting the module to a surface. The mounts are arranged in a radial pattern around a central location of the module. The mounts also have a direction of travel aligned with a radial direction of expansion that passes through the central location. 1. An exhaust aftertreatment module comprising a plurality of mounts for connecting the module to a surface ,wherein the mounts are arranged around a central location of the module and the mounts have a direction of travel aligned with a radial direction of expansion that passes through the central location.2. The exhaust aftertreatment module of claim 1 , wherein the mounts are located in a radial pattern about the central location.3. The exhaust aftertreatment module of claim 2 , wherein the mounts are located in a symmetric pattern about the central location.4. The exhaust aftertreatment module of claim 1 , wherein the mounts have only a single direction of travel.5. The exhaust aftertreatment module of claim 1 , wherein components of the mount slide relative to each other to achieve a distance of travel along the direction of travel.6. The exhaust aftertreatment module of claim 5 , wherein the mounts include:a module mount fixed to the module;a machine mount fixed to the surface, wherein a gap is defined between the module mount and machine mount; anda slide bar fixed to one of the module mount and machine mount and in sliding engagement with the other of the module mount and machine mount, wherein the slide bar is disposed in the direction of travel and the gap defines the distance of travel.7. The exhaust aftertreatment module of claim 1 , wherein an insulating plate is disposed between at least one of the surface and the mount and the module and the mount.8. The exhaust aftertreatment module of claim 1 , wherein the surface is a roof of a machine.9. The exhaust aftertreatment module of claim 8 , wherein the machine is mobile.10. The exhaust ...

EXHAUST AFTERTREATMENT SYSTEM

Номер патента: US20130067891A1. Автор: Boahene Michael P., Bui Yung T., Hittle Craig, Jeffs Rick E., Mupparapu Shashank, Park Pauk W., Roozenboom Stephan D., Velasquez Tetsu O.. Владелец: . Дата публикации: 21-03-2013.
An exhaust aftertreatment system including a housing with two or more inlets configured to receive separate entering exhaust streams from an engine. The system may include two or more first exhaust treatment devices, each configured to receive one of the separate entering exhaust streams in a first direction. The system may further include two or more redirecting flow passages configured to combine the separate exhaust streams into a merged exhaust stream that flows in a second direction about 180 degrees from the first direction and an intermediate flow region configured to divide the merged exhaust stream into two or more separate exiting exhaust streams. The system also may also includes two or more second exhaust treatment devices, each configured to receive one of the separate exiting exhaust streams in a third direction about 90 degrees from the second direction. 1. An exhaust treatment system , comprising:a housing defining two or more inlets configured to receive separate entering exhaust streams from an engine;two or more first exhaust treatment devices disposed within the housing, each configured to receive one of the separate entering exhaust streams, wherein the separate entering exhaust streams flow through the two or more first exhaust treatment devices in a first direction;two or more redirecting flow passages configured to combine the separate exhaust streams into a merged exhaust stream that flows in a second direction about 180 degrees from the first direction;an intermediate flow region configured to divide the merged exhaust stream into two or more separate exiting exhaust streams; andtwo or more second exhaust treatment devices disposed within the housing, each configured to receive one of the separate exiting exhaust streams from the intermediate flow region, wherein the separate exiting exhaust streams flow through the two or more second exhaust treatment devices in a third direction about 90 degrees from the second direction.2. The exhaust ...

After-Treatment System

Номер патента: US20140044612A1. Автор: Andrew M. Denis, Kristian N. Engelsen, Mirza P. Baig, Pradyumna V. Rao, Rick E. Jeffs, Thomas W. Manning. Владелец: Caterpillar Inc. Дата публикации: 13-02-2014.
An after-treatment system includes a Selective Catalytic Reduction (SCR) catalyst or a similar aftertreatment unit or brick that may be inserted into the opened end of a sleeve. The aftertreatment brick includes a substrate matrix with catalytic material that extends between a first face and a second face. A mantle is disposed around the substrate matrix and extends between a first rim proximate the first face and a second rim proximate the second face. The mantel may include a overhang extension that extends the first rim of the mantle beyond the first face of the substrate matrix. To enable retrieval of the SCR catalyst from the sleeve, a retrieval feature is disposed on a readily accessible, inner surface of the overhang extension.

System and Method for Accommodating Aftertreatment Bricks

Номер патента: US20140248186A1. Автор: Aguirre Ian, Denis Andrew M., Jeffs Rick E., Manchikanti Nagaraju, Manning Thomas W.. Владелец: CATERPILLAR INC.. Дата публикации: 04-09-2014.
An aftertreatment system and method treats exhaust gasses produced by an internal combustion process or a similar process. The aftertreatment system includes an aftertreatment module having a sleeve extending between a first end and a second end. One or more aftertreatment bricks are axially inserted into a sleeve opening disposed in the first end of the sleeve. To prevent the aftertreatment bricks from unintentionally exiting the sleeve, a captive ring is disposed around the first end of the sleeve as a loose fitting collar. The captive ring is restrained on the sleeve by a circumferential bead protruding about the first end. The captive ring can couple with a retention ring placed adjacent the first end. When coupled to the captive ring, a portion of the retention ring extends partially across and blocks the sleeve opening, preventing the aftertreatment brick from exiting the sleeve. 1. An aftertreatment module comprising:at least one sleeve extending between a first end and an opposing second end along a sleeve axis, the at least one sleeve including a sleeve opening at the first end and a bead proximate the first end protruding radially outward about the sleeve axis;a frame including a planar surface perpendicular to the sleeve axis, the frame accommodating the at least one sleeve such that the first end extends from the planar surface and the bead is axially spaced from the planar surface;one or more aftertreatment bricks inserted in the at least one sleeve, each of the aftertreatment bricks including a substrate matrix and a mantle disposed around the substrate matrix;a captive ring disposed around the sleeve and axially positioned between the planar surface and the bead; anda retention ring disposed adjacent the first end and coupled with the captive ring, the retention ring shaped such that a portion of the retention ring is disposed over a portion of the sleeve opening.2. The aftertreatment module of claim 1 , wherein the sleeve is a tubular cylinder claim ...

EXHAUST AFTERTREATMENT SYSTEM

Номер патента: US20140260198A1. Автор: Baig Mirza P., Chenoweth Kurtis E., Isada Raymond U., Jeffs Rick E., Manning Thomas W., Weiss Kevin J.. Владелец: CATERPILLAR INC.. Дата публикации: 18-09-2014.
An exhaust aftertreatment module is provided. The exhaust aftertreatment module includes a housing having a first end and a second end. The at least one inlet is disposed between the first end and the second end and is configured to introduce an exhaust into the housing. A mixing tube is disposed downstream of the at least one inlet. The mixing tube is configured to direct the exhaust towards the second end of the housing. The exhaust aftertreatment module further includes a single bank of Selective Catalytic Reduction (SCR) catalysts disposed at an oblique angle to a longitudinal axis of the mixing tube. The single bank of SCR catalysts is configured to receive the exhaust redirected from the second end of the housing. 1. An exhaust aftertreatment module comprising:a housing having a first end and a second end;at least one inlet disposed between the first end and the second end, the at least one inlet configured to introduce exhaust into the housing;a mixing tube disposed downstream of the at least one inlet, the mixing tube configured to direct the exhaust towards the second end of the housing; anda single bank of Selective Catalytic Reduction (SCR) catalysts disposed at an oblique angle to a longitudinal axis of the mixing tube, the single bank of SCR catalysts configured to receive the exhaust redirected from the second end of the housing.2. The exhaust aftertreatment module of further comprising at least one diesel oxidation catalyst (DOC) device disposed proximate to the at least one inlet.3. The exhaust aftertreatment module of further comprising a reductant injector located at an inlet of the mixing tube.4. The exhaust aftertreatment module of further comprising at least one outlet located downstream of the single bank of SCR catalysts and proximate to the at least one inlet claim 1 , the at least one outlet configured to allow the exhaust to exit from the housing.5. The exhaust aftertreatment module of further comprising a sound attenuation chamber disposed ...

Aftertreatment Module and Method of Assembly

Номер патента: US20140283528A1. Автор: Andrew M. Denis, Ian Aguirre, Kristian N. Engelsen, Mirza P. Baig, Nilkanth N. Desai, Pradyumna V. Rao, Rick E. Jeffs. Владелец: Caterpillar Inc. Дата публикации: 25-09-2014.
To assemble an aftertreatment module for use in the treatment of exhaust gasses and the like, an aftertreatment brick is inserted into a sleeve opening in a sleeve and advanced toward an opposite end of the sleeve. To retain the aftertreatment brick in the sleeve, the end of the sleeve can include a stop flange and the aftertreatment brick can include a mantle flange. The stop flange and the mantle flange can abut against each other to prevent further movement of the aftertreatment brick through the sleeve. To seal against exhaust gasses leaking though the module, a gasket can be disposed between the stop flange and the mantle flange. Exterior ribs disposed around the aftertreatment brick can assist concentric alignment between the flanges and gasket.

After-Treatment System

Номер патента: US20150211406A1. Автор: Baig Mirza P., Denis Andrew M., Engelsen Kristian N., Jeffs Rick E., Manning Thomas W., Rao Pradyumna V.. Владелец: CATERPILLAR INC.. Дата публикации: 30-07-2015.
An after-treatment system includes a Selective Catalytic Reduction (SCR) catalyst or a similar aftertreatment unit or brick that may be inserted into the opened end of a sleeve. The aftertreatment brick includes a substrate matrix with catalytic material that extends between a first face and a second face. A mantle is disposed around the substrate matrix and extends between a first rim proximate the first face and a second rim proximate the second face. The mantle may include a overhang extension that extends the first rim of the mantle beyond the first face of the substrate matrix. To enable retrieval of the SCR catalyst from the sleeve, a retrieval feature is disposed on a readily accessible, inner surface of the overhang extension. 1. An aftertreatment brick for removable insertion into a sleeve disposed in an aftertreatment module , the aftertreatment brick configured as a flow-through device and further comprising:a substrate matrix extending between a first face and an opposed second face, the substrate matrix configured as a flow-through device for the catalytic conversion of exhaust gases flowing from the first face to the second face;a tubular mantle disposed around the substrate matrix, the mantle extending between an open first rim proximate the first face and an open second rim proximate the second face, the mantle including an overhang extension extending the first rim beyond the first face; anda retrieval feature disposed on an inner surface of the overhang extension, the retrieval feature enabling retrieval of the aftertreatment brick from the sleeve.2. The aftertreatment brick of claim 1 , wherein the substrate matrix is cylindrical and the first face and the second face are circular; and wherein the tubular mantle is disposed around the cylindrical substrate matrix so that the first rim and the second rim are circular.3. The aftertreatment brick of claim 2 , wherein the retrieval feature is a slot radially disposed in the inner surface of the ...

Exhaust aftertreatment system

Номер патента: US8752370B2. Автор: Craig P. HITTLE, Michael P. Boahene, Paul W. Park, Rick E. Jeffs, Shashank Mupparapu, Stephan D. Roozenboom, Tetsu O. Velasquez, Yung T. Bui. Владелец: Caterpillar Inc. Дата публикации: 17-06-2014.
An exhaust aftertreatment system including a housing with two or more inlets configured to receive separate entering exhaust streams from an engine. The system may include two or more first exhaust treatment devices, each configured to receive one of the separate entering exhaust streams in a first direction. The system may further include two or more redirecting flow passages configured to combine the separate exhaust streams into a merged exhaust stream that flows in a second direction about 180 degrees from the first direction and an intermediate flow region configured to divide the merged exhaust stream into two or more separate exiting exhaust streams. The system also may also includes two or more second exhaust treatment devices, each configured to receive one of the separate exiting exhaust streams in a third direction about 90 degrees from the second direction.

After-Treatment System

Номер патента: US20150211406A1. Автор: Andrew M. Denis, Kristian N. Engelsen, Mirza P. Baig, Pradyumna V. Rao, Rick E. Jeffs, Thomas W. Manning. Владелец: Caterpillar Inc. Дата публикации: 30-07-2015.
An after-treatment system includes a Selective Catalytic Reduction (SCR) catalyst or a similar aftertreatment unit or brick that may be inserted into the opened end of a sleeve. The aftertreatment brick includes a substrate matrix with catalytic material that extends between a first face and a second face. A mantle is disposed around the substrate matrix and extends between a first rim proximate the first face and a second rim proximate the second face. The mantle may include a overhang extension that extends the first rim of the mantle beyond the first face of the substrate matrix. To enable retrieval of the SCR catalyst from the sleeve, a retrieval feature is disposed on a readily accessible, inner surface of the overhang extension.

System und Verfahren zum Aufnehmen von Nachbehandlungsblöcken

Номер патента: DE102014002892A1. Автор: Andrew M. Denis, Ian Aguirre, Nagaraju Manchikanti, Rick E. Jeffs, Thomas W. Manning. Владелец: Caterpillar Inc. Дата публикации: 04-09-2014.
Ein Nachbehandlungssystem enthält ein Nachbehandlungsmodul mit einer Hülse (170), die sich zwischen einem ersten Ende (174) und einem zweiten Ende (176) erstreckt. Ein oder mehrere Nachbehandlungsblöcke (164) werden axial in eine Hülsenöffnung (178) eingesetzt, die in dem ersten Ende (174) der Hülse (170) angeordnet ist. Um zu verhindern, dass die Nachbehandlungsblöcke (164) unbeabsichtigt aus der Hülse (170) austreten, ist ein unverlierbarer Ring (210) als ein lose gepasster Kranz um das erste Ende (174) der Hülse (170) angeordnet. Der unverlierbare Ring (210) wird durch eine in Umfangsrichtung verlaufende Sicke (180), die um das erste Ende (174) vorsteht, an der Hülse (170) gehalten. Der unverlierbare Ring (210) kann mit einem benachbart zu dem ersten Ende (174) platzierten Haltering (230) verbunden werden. Bei einer Verbindung mit dem unverlierbaren Ring (210) erstreckt sich ein Teil des Halterings (230) teilweise über die Hülsenöffnung (178) und blockiert diese, so dass ein Austreten des Nachbehandlungsblocks (164) aus der Hülse (170) verhindert wird.
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