DE69805883T2 - Vorrichtung zum Verhindern von Durchströmgeräuschen bei Drosselklappen - Google Patents

Vorrichtung zum Verhindern von Durchströmgeräuschen bei Drosselklappen

Info

Publication number
DE69805883T2
DE69805883T2 DE69805883T DE69805883T DE69805883T2 DE 69805883 T2 DE69805883 T2 DE 69805883T2 DE 69805883 T DE69805883 T DE 69805883T DE 69805883 T DE69805883 T DE 69805883T DE 69805883 T2 DE69805883 T2 DE 69805883T2
Authority
DE
Germany
Prior art keywords
throttle valves
preventing flow
flow noise
noise
preventing
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.)
Expired - Lifetime
Application number
DE69805883T
Other languages
English (en)
Other versions
DE69805883D1 (de
Inventor
Yoshihiro Nakase
Kouzi Ohara
Tokio Kohama
Kenji Kanehara
Kenichi Yamamoto
Yoshihiro Miyaji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Soken Inc
Original Assignee
Nippon Soken Inc
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP4874197A external-priority patent/JP3430840B2/ja
Priority claimed from JP17187897A external-priority patent/JP3308470B2/ja
Priority claimed from JP30703597A external-priority patent/JP3337630B2/ja
Application filed by Nippon Soken Inc, Toyota Motor Corp filed Critical Nippon Soken Inc
Publication of DE69805883D1 publication Critical patent/DE69805883D1/de
Application granted granted Critical
Publication of DE69805883T2 publication Critical patent/DE69805883T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1211—Flow throttling or guiding by using inserts in the air intake flow path, e.g. baffles, throttles or orifices; Flow guides
    • 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
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/104—Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
DE69805883T 1997-03-04 1998-03-03 Vorrichtung zum Verhindern von Durchströmgeräuschen bei Drosselklappen Expired - Lifetime DE69805883T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4874197A JP3430840B2 (ja) 1997-03-04 1997-03-04 スロットル弁の気流騒音防止装置
JP17187897A JP3308470B2 (ja) 1997-06-27 1997-06-27 スロットル弁の気流騒音防止装置
JP30703597A JP3337630B2 (ja) 1997-11-10 1997-11-10 吸気異音低減構造

Publications (2)

Publication Number Publication Date
DE69805883D1 DE69805883D1 (de) 2002-07-18
DE69805883T2 true DE69805883T2 (de) 2003-02-13

Family

ID=27293391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69805883T Expired - Lifetime DE69805883T2 (de) 1997-03-04 1998-03-03 Vorrichtung zum Verhindern von Durchströmgeräuschen bei Drosselklappen

Country Status (3)

Country Link
US (1) US5970963A (de)
EP (1) EP0863303B1 (de)
DE (1) DE69805883T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012207198A1 (de) * 2012-04-30 2013-10-31 Röchling Automotive AG & Co. KG Vorrichtung zur Verringerung der Lärmemission von Luftansaugrohren

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DE10308790B4 (de) * 2003-02-28 2009-07-02 Robert Bosch Gmbh Drosselklappengehäuse mit strömungsoptimiertem Einlauf
US7131514B2 (en) * 2003-08-25 2006-11-07 Ford Global Technologies, Llc Noise attenuation device for a vehicle exhaust system
US7086498B2 (en) * 2003-08-25 2006-08-08 Ford Global Technologies, Llc Noise attenuation device for a vehicle exhaust system
DE502004009480D1 (de) * 2004-03-03 2009-06-25 Rolls Royce Plc Anordnung zur Erzeugung von Schallfeldern mit bestimmter modaler Zusammensetzung
DE102004019446B4 (de) * 2004-04-19 2006-01-12 Siemens Ag Geräuscharmes Saugrohr
US20050241605A1 (en) * 2004-04-29 2005-11-03 Bedwell Donald R Fluid flow surface with indentations
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US20070040143A1 (en) * 2005-08-18 2007-02-22 Garrick Robert D Throttle passage whistling control device and method
JP4615463B2 (ja) * 2006-03-16 2011-01-19 興国インテック株式会社 吸気異音低減装置及びこれを備えた内燃機関、内燃機関の吸気異音低減装置取付構造
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JP4375436B2 (ja) * 2007-05-24 2009-12-02 株式会社デンソー バルブ装置
GB0809094D0 (en) * 2008-05-20 2008-06-25 Mecon Ltd Marine siren seismic source
US7712447B2 (en) * 2008-10-15 2010-05-11 Gm Global Technology Operations, Inc. Noise attenuation for internal combustion engine
US8813718B2 (en) 2008-12-31 2014-08-26 Speed Of Air, Inc. Internal combustion engine
CN101806262A (zh) * 2010-03-30 2010-08-18 重庆长安汽车股份有限公司 一种汽油发动机进气***的降噪结构
WO2011163605A2 (en) * 2010-06-24 2011-12-29 Isco Industries, Llc Modified pipe inlet
US8464689B2 (en) 2010-09-15 2013-06-18 Ford Global Technologies, Llc Throttle body to intake manifold mounting
US8683970B2 (en) * 2011-07-28 2014-04-01 Cnh America Llc Air intake system for off-road vehicles
JP5570489B2 (ja) * 2011-10-20 2014-08-13 本田技研工業株式会社 内燃機関の吸気装置
US10113521B2 (en) * 2013-03-01 2018-10-30 Cummins Inc. Air intake system for internal combustion engine
WO2014136666A1 (ja) * 2013-03-05 2014-09-12 Nok株式会社 吸気音低減装置
JP2015021425A (ja) * 2013-07-18 2015-02-02 アイシン精機株式会社 内燃機関の吸気装置
US10267274B2 (en) * 2014-11-14 2019-04-23 Nok Corporation Intake noise reduction device
US10323610B2 (en) * 2016-01-11 2019-06-18 Ford Global Technologies, Llc Noise attenuation device for an intake system of an internal combustion engine
KR102463450B1 (ko) * 2016-12-15 2022-11-04 현대자동차주식회사 경로 개폐를 이용한 연료증발가스 저감장치
JP7065000B2 (ja) * 2018-09-18 2022-05-11 日立Astemo株式会社 吸気装置
US11002231B2 (en) * 2018-10-17 2021-05-11 Toyota Jidosha Kabushiki Kaisha Intake device for internal combustion engine
CN112627769B (zh) * 2019-09-24 2022-06-14 中国石油化工股份有限公司 一种含硫气井节流阀降噪装置
CN111852701B (zh) * 2020-08-31 2021-10-15 安徽江淮汽车集团股份有限公司 发动机进气***

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012207198A1 (de) * 2012-04-30 2013-10-31 Röchling Automotive AG & Co. KG Vorrichtung zur Verringerung der Lärmemission von Luftansaugrohren
DE102012207198B4 (de) 2012-04-30 2023-02-02 Röchling Automotive AG & Co. KG Vorrichtung zur Verringerung der Lärmemission von Luftansaugrohren

Also Published As

Publication number Publication date
US5970963A (en) 1999-10-26
DE69805883D1 (de) 2002-07-18
EP0863303A2 (de) 1998-09-09
EP0863303A3 (de) 1999-03-31
EP0863303B1 (de) 2002-06-12

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Legal Events

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8364 No opposition during term of opposition