Space saving serviceable exhaust aftertreatment assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-050/00
B21D-051/16
출원번호
UP-0243694
(2005-10-05)
등록번호
US-7582267
(2009-09-16)
발명자
/ 주소
Klein, Patrick M.
Sedlacek, Jeffrey T.
Grimm, David M.
출원인 / 주소
Fleetguard, Inc.
대리인 / 주소
Andrus, Sceales, Starke & Sawall, LLP
인용정보
피인용 횟수 :
4인용 특허 :
17
초록
An aftertreatment exhaust assembly includes housing sections separable from each other at a service joint axially between axial ends of an aftertreatment element for ease of servicing. The aftertreatment element has an axial end within a housing section saving axial extension space.
대표청구항▼
What is claimed is: 1. An aftertreatment exhaust assembly comprising an axially extending housing containing an aftertreatment element, said aftertreatment element being selected from the group consisting of at least one of a particulate soot filter and a catalyst element, said housing having an in
What is claimed is: 1. An aftertreatment exhaust assembly comprising an axially extending housing containing an aftertreatment element, said aftertreatment element being selected from the group consisting of at least one of a particulate soot filter and a catalyst element, said housing having an inlet and an outlet communicating respectively with axially distally opposite axial ends of said aftertreatment element, wherein exhaust flows from said inlet then axially through said aftertreatment element then to said outlet, said housing comprising at least first and second sections meeting at a joint axially between said axial ends of said aftertreatment element; wherein said first housing section is an outlet housing section; said aftertreatment element extends axially into said outlet housing section along a first axial direction, and said aftertreatment element has an outlet axial end within said outlet housing section; said outlet housing section has a sidewall extending axially between first and second end walls and of larger diameter than said aftertreatment element and providing an outlet plenum of reduced restriction; wherein said first end wall of said outlet housing section is axially spaced from said outlet axial end of said aftertreatment element along said first axial direction; said second end wall of said outlet housing section is axially spaced from said outlet axial end of said aftertreatment element along a second axial direction, said second axial direction being opposite to said first axial direction; said sidewall of said outlet housing section has a first span extending from said first end wall axially along said second axial direction to a midpoint radially aligned with said outlet axial end of said aftertreatment element, and has a second span extending from said midpoint axially along said second axial direction to said second end wall, said first span and said first end wall defining an open volume first plenum section at said outlet axial end of said aftertreatment element and extending axially along said first axial direction therefrom, said second span and said second end wall defining an annular volume second plenum section at said outlet axial end of said aftertreatment element and extending axially along said second axial direction therefrom and in circumscribing relation to said aftertreatment element. 2. An aftertreatment exhaust assembly according to claim 1 wherein said joint is a service joint, said first and second housing sections being separable from each other at said service joint such that upon separation of said first and second housing sections one of said axial ends of said aftertreatment element is axially spaced beyond one of said separated housing sections, such that said aftertreatment element is readily accessible for ease of servicing. 3. The aftertreatment exhaust assembly according to claim 2 comprising a connection connecting said first and second housing sections to each other at said service joint. 4. The aftertreatment exhaust assembly according to claim 1 wherein: said inlet is selected from the group consisting of a radial inlet and an axial inlet; said outlet is selected from the group consisting of a radial outlet and an axial outlet. 5. The aftertreatment exhaust assembly according to claim 1 wherein the axial length of said second span is greater than the axial length of said first span to reduce and save space at said outlet axial end of said aftertreatment element along said first axial direction therefrom and reduce the amount of axial extension of said housing in said first axial direction beyond said outlet axial end of said aftertreatment element. 6. The aftertreatment exhaust assembly according to claim 1 wherein said sidewall is of larger diameter than said second housing section. 7. The aftertreatment exhaust assembly according to claim 1 wherein said outlet extends radially from said outlet housing section and is radially aligned with said outlet axial end of said aftertreatment element. 8. The aftertreatment exhaust assembly according to claim 1 wherein said housing has inlet and outlet sections, one of said inlet and outlet sections having a sidewall extending axially between first and second end walls and of larger diameter than said aftertreatment element and providing a plenum of reduced restriction. 9. An aftertreatment exhaust assembly comprising an axially extending housing containing an aftertreatment element, said aftertreatment element being selected from the group consisting of at least one of a particulate soot filter and a catalyst element, said housing having an inlet and an outlet communicating respectively with axially distally opposite axial ends of said aftertreatment element, wherein exhaust flows from said inlet then axially through said aftertreatment element then to said outlet, said housing comprising at least first and second sections, one of said sections being selected from the group consisting of an inlet housing section and an outlet housing section, said one section having a sidewall extending axially; wherein said first housing section is an outlet housing section, said aftertreatment element extends axially into said outlet housing section along a first axial direction, said aftertreatment element has an outlet axial end within said outlet housing section, said outlet housing section has a sidewall extending axially between first and second end walls and of larger diameter than said aftertreatment element and providing an outlet plenum of reduced restriction; wherein said first end wall of said outlet housing section is axially spaced from said outlet axial end of said aftertreatment element along said first axial direction; said second end wall of said outlet housing section is axially spaced from said outlet axial end of said aftertreatment element along a second axial direction, said second axial direction being opposite to said first axial direction; said sidewall of said outlet housing section has a first span extending from said first end wall axially along said second axial direction to a midpoint radially aligned with said outlet axial end of said aftertreatment element, and has a second span extending from said midpoint axially along said second axial direction to said second end wall, said first span and said first end wall defining an open volume first plenum section at said outlet axial end of said aftertreatment element and extending axially along said first axial direction therefrom, said second span and said second end wall defining an annular volume second plenum section at said outlet axial end of said aftertreatment element and extending axially along said second axial direction therefrom and in circumscribing relation to said aftertreatment element. 10. The exhaust assembly according to claim 9 wherein the axial length of said second span is greater than the axial length of said first span to reduce and save space at said outlet axial end of said aftertreatment element along said first axial direction therefrom and reduce the amount of axial extension of said housing in said first axial direction beyond said outlet axial end of said aftertreatment element. 11. The aftertreatment exhaust assembly according to claim 9 wherein said sidewall is of larger diameter than said second housing section. 12. The aftertreatment exhaust assembly according to claim 9 wherein said outlet extends radially from said outlet housing section and is radially aligned with said outlet axial end of said aftertreatment element. 13. A method for saving space in an aftertreatment exhaust assembly having an axially extending housing containing an aftertreatment element, said aftertreatment element being selected from the group consisting of at least one of a particulate soot filter and a catalyst element, said housing having an inlet and an outlet communicating respectively with axially distally opposite axial ends of said aftertreatment element, wherein exhaust flows from said inlet then axially through said aftertreatment element then to said outlet, said housing having at least first and second sections meeting at a joint, said space saving method comprising providing inlet and outlet housing sections wherein said aftertreatment element extends axially into one of said inlet and outlet housing sections, with an axial end of said aftertreatment element being within said one housing section, providing said one housing section with a sidewall extending axially between first and second end walls and of larger diameter than said aftertreatment element and providing a plenum of reduced restriction and reduced axial extension from said axial end of said aftertreatment element; providing said first housing section as an outlet housing section wherein said aftertreatment element extends axially into said outlet housing section, with an outlet axial end of said aftertreatment element being within said outlet housing section, providing said outlet housing section with a sidewall extending axially between first and second end walls and of larger diameter than said aftertreatment element and providing an outlet plenum of reduced restriction and reduced axial extension along said axial direction from said outlet axial end of said aftertreatment element; providing said first end wall of said outlet housing section axially from said outlet axial end of said aftertreatment element along a first axial direction, spacing said second end wall of said outlet housing section axially from said outlet axial end of said aftertreatment element along a second axial direction, said second axial direction being opposite to said first axial direction, providing said sidewall of said outlet housing section with a first span extending from said first end wall axially along said second axial direction to a midpoint radially aligned with said outlet axial end of said aftertreatment element, and providing said sidewall of said outlet housing section with a second span extending from said midpoint axially along said second axial direction to said second end wall, providing said first span and said first end wall defining an open volume first plenum section at said outlet axial end of said aftertreatment element and extending axially along said first axial direction therefrom, providing said second span and said second end wall defining an annular volume second plenum section at said outlet axial end of said aftertreatment element and extending axially along said second axial direction therefrom and in circumscribing relation to said aftertreatment element. 14. The method according to claim 13 comprising providing said joint at a location axially between said axial ends of said aftertreatment element. 15. The method according to claim 13 comprising providing said second span of greater axial length than said first span to reduce and save space at said outlet axial end of said aftertreatment element along said first axial direction therefrom and reduce the amount of axial extension of said housing in said first axial direction beyond said outlet axial end of said aftertreatment element.
Bruza, Philip Stephen; Meffert, Darrel Henry; Pollard, Michael James; Boland, Timothy John; Weber, John Roger; Shah, Ronak Dhanendrakumar; Meyer, Robert Lee; Aleksonis, Jonas Arunas, Exhaust treatment device having flow-promoting end caps.
Baig, Mirza P.; Denis, Andrew M.; Engelsen, Kristian; Rao, Pradyumna V.; Isada, Raymond U.; Gerges, Raymond B., System and method for accommodating aftertreatment bricks.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.