WO2000050742A3 - Resonator - Google Patents
Resonator Download PDFInfo
- Publication number
- WO2000050742A3 WO2000050742A3 PCT/US2000/004397 US0004397W WO0050742A3 WO 2000050742 A3 WO2000050742 A3 WO 2000050742A3 US 0004397 W US0004397 W US 0004397W WO 0050742 A3 WO0050742 A3 WO 0050742A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resonator
- coupled
- exhaust
- outlet
- decoupler
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- F01N1/023—Helmholtz resonators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/15—Plurality of resonance or dead chambers
- F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/20—Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe, e.g. resonance chambers
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12150399P | 1999-02-23 | 1999-02-23 | |
US60/121,503 | 1999-02-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2000050742A2 WO2000050742A2 (en) | 2000-08-31 |
WO2000050742A3 true WO2000050742A3 (en) | 2000-12-14 |
WO2000050742A9 WO2000050742A9 (en) | 2002-03-28 |
Family
ID=22397126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/004397 WO2000050742A2 (en) | 1999-02-23 | 2000-02-22 | Resonator |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2000050742A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202007009054U1 (en) * | 2007-06-27 | 2008-12-04 | Witzenmann Gmbh | Flexible duct element for gaseous media |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006793A (en) * | 1975-11-14 | 1977-02-08 | Robinson Joseph D | Engine muffler apparatus providing acoustic silencer |
US4540064A (en) * | 1982-03-17 | 1985-09-10 | Nissan Motor Co., Ltd. | Noise and vibration reducing apparatus for use in exhaust system of engine |
US5198625A (en) * | 1991-03-25 | 1993-03-30 | Alexander Borla | Exhaust muffler for internal combustion engines |
US5220789A (en) * | 1991-03-05 | 1993-06-22 | Ford Motor Company | Integral unitary manifold-muffler-catalyst device |
US5828013A (en) * | 1992-06-02 | 1998-10-27 | Donaldson Company, Inc. | Muffler with catalytic converter arrangement; and method |
US5901754A (en) * | 1996-03-20 | 1999-05-11 | Witzenmann Gmbh Metallschlauch-Fabrik Pforzheim | Flexible fluid conduit element with a metal bellows |
US5967193A (en) * | 1996-05-29 | 1999-10-19 | Calsonic Corporation | Flexible pipe unit for use in exhaust pipe line of automotive engine |
-
2000
- 2000-02-22 WO PCT/US2000/004397 patent/WO2000050742A2/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006793A (en) * | 1975-11-14 | 1977-02-08 | Robinson Joseph D | Engine muffler apparatus providing acoustic silencer |
US4540064A (en) * | 1982-03-17 | 1985-09-10 | Nissan Motor Co., Ltd. | Noise and vibration reducing apparatus for use in exhaust system of engine |
US5220789A (en) * | 1991-03-05 | 1993-06-22 | Ford Motor Company | Integral unitary manifold-muffler-catalyst device |
US5198625A (en) * | 1991-03-25 | 1993-03-30 | Alexander Borla | Exhaust muffler for internal combustion engines |
US5828013A (en) * | 1992-06-02 | 1998-10-27 | Donaldson Company, Inc. | Muffler with catalytic converter arrangement; and method |
US5901754A (en) * | 1996-03-20 | 1999-05-11 | Witzenmann Gmbh Metallschlauch-Fabrik Pforzheim | Flexible fluid conduit element with a metal bellows |
US5967193A (en) * | 1996-05-29 | 1999-10-19 | Calsonic Corporation | Flexible pipe unit for use in exhaust pipe line of automotive engine |
Also Published As
Publication number | Publication date |
---|---|
WO2000050742A2 (en) | 2000-08-31 |
WO2000050742A9 (en) | 2002-03-28 |
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