CN110067626A - 消声器 - Google Patents
消声器 Download PDFInfo
- Publication number
- CN110067626A CN110067626A CN201910013701.1A CN201910013701A CN110067626A CN 110067626 A CN110067626 A CN 110067626A CN 201910013701 A CN201910013701 A CN 201910013701A CN 110067626 A CN110067626 A CN 110067626A
- Authority
- CN
- China
- Prior art keywords
- pipe
- exhaust
- discharge pipe
- enters
- discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 2
- 239000012814 acoustic material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
- F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
-
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
-
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
-
- 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
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
- F01N1/163—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers by means of valves
-
- 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
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
-
- 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
- F01N13/007—Apparatus used as intake or exhaust silencer
-
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/10—Tubes having non-circular cross section
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
-
- 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
- F01N2490/02—Two or more expansion chambers in series connected by means of tubes
-
- 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
- F01N2490/02—Two or more expansion chambers in series connected by means of tubes
- F01N2490/06—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet in opposite directions
-
- 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
- F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018101254.3 | 2018-01-22 | ||
DE102018101254 | 2018-01-22 | ||
DE102018104239.6A DE102018104239A1 (de) | 2018-01-22 | 2018-02-26 | Schalldämpfer |
DE102018104239.6 | 2018-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110067626A true CN110067626A (zh) | 2019-07-30 |
Family
ID=67144885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910013701.1A Pending CN110067626A (zh) | 2018-01-22 | 2019-01-08 | 消声器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11377989B2 (zh) |
CN (1) | CN110067626A (zh) |
DE (1) | DE102018104239A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153506A (zh) * | 2021-05-25 | 2021-07-23 | 佛吉亚(柳州)排气控制技术有限公司 | 一种便于拆卸安装的汽车消声器结构 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6557372B1 (ja) * | 2018-02-15 | 2019-08-07 | 本田技研工業株式会社 | 消音器ユニット |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2706957A1 (de) * | 1977-02-18 | 1978-08-31 | Boysen Friedrich Gmbh Co Kg | Abgasschalldaempfer fuer brennkraftmaschinen mit von der abgasleitung abzweigendem resonator |
CN2245124Y (zh) * | 1995-12-15 | 1997-01-15 | 北京市劳动保护科学研究所 | 汽车排气消声器 |
EP1380734A2 (de) * | 2002-07-10 | 2004-01-14 | J. Eberspächer GmbH & Co. KG | Abgasanlage |
JP2005256736A (ja) * | 2004-03-11 | 2005-09-22 | Calsonic Kansei Corp | 自動車用レゾネータ構造 |
US20070261395A1 (en) * | 2006-05-11 | 2007-11-15 | Gm Global Technology Operations, Inc. | Diesel Exhaust System Variable Backpressure Muffler |
WO2008150024A1 (ja) * | 2007-06-06 | 2008-12-11 | Calsonic Kansei Corporation | 消音器 |
CN202493316U (zh) * | 2010-11-04 | 2012-10-17 | 福特环球技术公司 | 用于发动机的双流排气系统的谐振器 |
US20150354421A1 (en) * | 2014-06-04 | 2015-12-10 | Eberspächer Exhaust Technology GmbH & Co. KG | Muffler |
CN105164381A (zh) * | 2013-06-05 | 2015-12-16 | 宝马股份公司 | 用于内燃机的排气设备和用于使排气设备运行的方法 |
DE102014114254A1 (de) * | 2014-09-30 | 2016-03-31 | Eberspächer Exhaust Technology GmbH & Co. KG | Passiver Schalldämpfer mit Helmholtz-Resonator für mehrflutige Abgasanlagen |
CN206035615U (zh) * | 2016-08-12 | 2017-03-22 | 桂林电子科技大学 | 一种新型消声装置 |
CN106988830A (zh) * | 2015-11-10 | 2017-07-28 | 埃贝斯佩歇废气技术合资公司 | 用于排气系统的消音器 |
CN107420170A (zh) * | 2016-05-23 | 2017-12-01 | 埃贝斯佩歇排气技术有限责任两合公司 | 用于内燃机的排气设备的消声器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU673598B2 (en) * | 1993-06-07 | 1996-11-14 | Walker Australia Pty Ltd | Acoustic energy attenuator |
DE20120470U1 (de) | 2001-12-18 | 2003-04-30 | Friedrich Boysen GmbH & Co. KG, 72213 Altensteig | Schalldämpfungseinrichtung |
US6598390B2 (en) * | 2001-12-26 | 2003-07-29 | Liang Fei Industry Co. Ltd. | Easily controlled exhaust pipe |
JP2006152829A (ja) * | 2004-11-25 | 2006-06-15 | Toyota Motor Corp | 排気管構造 |
KR101262612B1 (ko) * | 2012-02-16 | 2013-05-08 | 현대자동차주식회사 | 스포티한 음색 구현이 가능한 횡치형 소음기 |
ES2709440T3 (es) * | 2015-09-10 | 2019-04-16 | Akrapovic D D | Sistema de escape para un motor de automoción de combustión interna |
DE102015118573A1 (de) | 2015-10-30 | 2017-05-04 | Eberspächer Exhaust Technology GmbH & Co. KG | Schalldämpfer für eine Abgasanlage einer Brennkraftmaschine |
IT201600110831A1 (it) * | 2016-11-04 | 2018-05-04 | Piaggio & C Spa | Terminale di scarico per motoveicoli |
US11002165B2 (en) * | 2017-04-04 | 2021-05-11 | Bombardier Recreational Products Inc. | Muffler for an internal combustion engine |
US10596898B2 (en) * | 2018-05-07 | 2020-03-24 | Tenneco Automotive Operating Company Inc. | Muffler assembly including a center muffler and two satellite mufflers |
-
2018
- 2018-02-26 DE DE102018104239.6A patent/DE102018104239A1/de not_active Withdrawn
-
2019
- 2019-01-08 CN CN201910013701.1A patent/CN110067626A/zh active Pending
- 2019-01-17 US US16/250,496 patent/US11377989B2/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2706957A1 (de) * | 1977-02-18 | 1978-08-31 | Boysen Friedrich Gmbh Co Kg | Abgasschalldaempfer fuer brennkraftmaschinen mit von der abgasleitung abzweigendem resonator |
CN2245124Y (zh) * | 1995-12-15 | 1997-01-15 | 北京市劳动保护科学研究所 | 汽车排气消声器 |
EP1380734A2 (de) * | 2002-07-10 | 2004-01-14 | J. Eberspächer GmbH & Co. KG | Abgasanlage |
JP2005256736A (ja) * | 2004-03-11 | 2005-09-22 | Calsonic Kansei Corp | 自動車用レゾネータ構造 |
US20070261395A1 (en) * | 2006-05-11 | 2007-11-15 | Gm Global Technology Operations, Inc. | Diesel Exhaust System Variable Backpressure Muffler |
WO2008150024A1 (ja) * | 2007-06-06 | 2008-12-11 | Calsonic Kansei Corporation | 消音器 |
CN202493316U (zh) * | 2010-11-04 | 2012-10-17 | 福特环球技术公司 | 用于发动机的双流排气系统的谐振器 |
CN105164381A (zh) * | 2013-06-05 | 2015-12-16 | 宝马股份公司 | 用于内燃机的排气设备和用于使排气设备运行的方法 |
US20150354421A1 (en) * | 2014-06-04 | 2015-12-10 | Eberspächer Exhaust Technology GmbH & Co. KG | Muffler |
DE102014114254A1 (de) * | 2014-09-30 | 2016-03-31 | Eberspächer Exhaust Technology GmbH & Co. KG | Passiver Schalldämpfer mit Helmholtz-Resonator für mehrflutige Abgasanlagen |
CN106988830A (zh) * | 2015-11-10 | 2017-07-28 | 埃贝斯佩歇废气技术合资公司 | 用于排气系统的消音器 |
CN107420170A (zh) * | 2016-05-23 | 2017-12-01 | 埃贝斯佩歇排气技术有限责任两合公司 | 用于内燃机的排气设备的消声器 |
CN206035615U (zh) * | 2016-08-12 | 2017-03-22 | 桂林电子科技大学 | 一种新型消声装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153506A (zh) * | 2021-05-25 | 2021-07-23 | 佛吉亚(柳州)排气控制技术有限公司 | 一种便于拆卸安装的汽车消声器结构 |
Also Published As
Publication number | Publication date |
---|---|
DE102018104239A1 (de) | 2019-07-25 |
US11377989B2 (en) | 2022-07-05 |
US20190226371A1 (en) | 2019-07-25 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: German neuenkirchen Applicant after: Prim Co.,Ltd. Address before: German neuenkirchen Applicant before: EBERSPACHER TECNOLOGIA DE EXAUSTAO Ltda |
|
CB02 | Change of applicant information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210927 Address after: German neuenkirchen Applicant after: EBERSPACHER TECNOLOGIA DE EXAUSTAO Ltda Address before: German neuenkirchen Applicant before: Eberspacher Exhaust Technology GmbH & Co.KG |
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TA01 | Transfer of patent application right |