EP1714018B1 - Drosselklappenvorrichtung - Google Patents

Drosselklappenvorrichtung Download PDF

Info

Publication number
EP1714018B1
EP1714018B1 EP05701572A EP05701572A EP1714018B1 EP 1714018 B1 EP1714018 B1 EP 1714018B1 EP 05701572 A EP05701572 A EP 05701572A EP 05701572 A EP05701572 A EP 05701572A EP 1714018 B1 EP1714018 B1 EP 1714018B1
Authority
EP
European Patent Office
Prior art keywords
butterfly valve
throttle
housing
valve device
segment
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 - Fee Related
Application number
EP05701572A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1714018A1 (de
Inventor
Hubert Limbrunner
Stefan Köhler
Thomas Hannewald
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1714018A1 publication Critical patent/EP1714018A1/de
Application granted granted Critical
Publication of EP1714018B1 publication Critical patent/EP1714018B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of 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
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/107—Manufacturing or mounting details
    • 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
    • F02D9/1075—Materials, e.g. composites
    • F02D9/108—Plastics
    • 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
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0277—Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks

Definitions

  • the invention relates to a throttle valve device according to the preamble of claim 1.
  • Known throttle device in particular electrically operable throttle device for internal combustion engines have a throttle body, in which a throttle valve for varying a fürströmqueritess for a gas is pivotally mounted.
  • the EP 1,201,847 shows an example of such a throttle device.
  • the throttle valve is designed to be electrically driven.
  • the throttle body of known throttle devices are usually designed for tolerance reasons of metal or a thermosetting plastic.
  • the throttle body is closed by a cover, which serves as a cover of a drive housing and on the other forms an abutment for a throttle shaft in the region of a passage cross-section of the throttle device.
  • Both the throttle body and the throttle lid have fastening devices by means of which the throttle valve device can be fastened to an upstream air-flow device and downstream of the intake manifold.
  • the throttle valve device it is disadvantageous that the cost of mounting the throttle device in the intake of an internal combustion engine is complex. In addition, an increased sealing effort is required.
  • the object of the invention is to provide a throttle valve device which substantially reduces the assembly costs of an intake tract of an internal combustion engine and nevertheless meets the requirements imposed on a throttle device regarding longevity, moisture resistance and dimensional stability. Furthermore, the throttle device should be easy to manufacture with few components and cost.
  • a throttle valve device having the features of claim 1.
  • a throttle valve device has at least two housing parts and a throttle valve, wherein the one of the housing parts has a throttle pipe section which cooperates with the throttle valve, wherein the other housing part is formed integrally with at least one upstream or downstream channel portion.
  • the cover of the throttle valve device according to the invention is formed according to the invention of a much cheaper thermoplastic.
  • at least one Saugrohrteilabêt is integrally connected to the lid of the throttle device. This allows at least a laying of the mounting plane between the throttle valve device and a downstream intake manifold, ideally even avoiding such a mounting plane, namely, when the complete intake manifold is integrally connected to the throttle body.
  • a throttle valve device 1 according to the invention (FIGS. 1 to 3) has a throttle body 2 and a throttle body cover 3.
  • the throttle body 2 has a throttle pipe section 4 and a drive housing section 5.
  • the throttle body cover 3 has a drive housing cover portion 6 communicating with a pipe flange 7.
  • the drive housing section 5 and the drive housing cover section 6 form a parting line 8 which approximately symmetrically separates the drive housing, consisting of the drive housing section 5 and the drive housing cover section 6.
  • the second parting line 9 is arranged at an angle to the first parting line 8, so that the parting lines 8, 9 forming sealing surfaces of the throttle body 2 and the throttle body cover 3 in the area between the drive housing 5, 6 and a throttle tube 10, consisting of the throttle pipe section 4 and the pipe flange 7 forming a kink meeting each other.
  • the position of the parting line is selected such that a throttle valve shaft 11 of a throttle valve 12 is rotatably supported in each case via a bearing recess in the throttle body cover 3 and in the throttle body 2.
  • this is mounted only in a suitable recess in the interior of the throttle pipe section 4 such that the pipe flange 7 is not involved in the storage of the throttle flap shaft 11 there.
  • the throttle lid 3 thus has only covering function and therefore does not have such high demands on dimensional accuracy, dimensional tolerances and dimensional stability, in particular by exposure to moisture such as the throttle body. 2
  • the throttle body 2 is preferably made of metal or thermosetting plastic, since these materials are able to maintain the required tolerances for a long time, especially under moisture or highly fluctuating temperature influences. According to the invention it has now been recognized that it is possible by the function reduction of the throttle body cover 3 on only one cover function to produce this from cheaper material, in particular to produce a plastic that can be processed in an injection molding process.
  • Thermoplastic plastics such as, for example, PA 6, PA 6.6, PA 4.6 or thermoplastic mixed plastics have proven suitable for this purpose according to the invention.
  • the throttle body cover 3 can be produced by means of common injection molding process due to the choice of material, at least a portion of a suction pipe is arranged in the region of the pipe flange 7, that is, at least one suction pipe 15, which in a flow direction 16, z. B. downstream with respect to the throttle pipe section 4, is arranged, is integrally formed with the throttle body cover 3.
  • the usual way between the throttle valve device 1 and the internal combustion engine or its intake spider is arranged Intake manifold as a whole with the throttle body cover 3 integrally connected.
  • the throttle valve device according to the invention is of particular advantage that a conflict of objectives has been resolved to the effect that a cost reduction could be achieved by reducing the number of components with increased structural degrees of freedom. Furthermore, it is advantageous that the susceptibility to leaks and thus the reliability of the entire throttle device 1 in conjunction with downstream components is substantially increased, because a sealing plane or a joint plane can be saved with associated fasteners.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
EP05701572A 2004-02-10 2005-01-20 Drosselklappenvorrichtung Expired - Fee Related EP1714018B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004006555A DE102004006555B4 (de) 2004-02-10 2004-02-10 Drosselklappenvorrichtung
PCT/EP2005/050241 WO2005078260A1 (de) 2004-02-10 2005-01-20 Drosselklappenvorrichtung

Publications (2)

Publication Number Publication Date
EP1714018A1 EP1714018A1 (de) 2006-10-25
EP1714018B1 true EP1714018B1 (de) 2007-07-18

Family

ID=34853411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05701572A Expired - Fee Related EP1714018B1 (de) 2004-02-10 2005-01-20 Drosselklappenvorrichtung

Country Status (7)

Country Link
US (1) US7469677B2 (zh)
EP (1) EP1714018B1 (zh)
JP (1) JP4469862B2 (zh)
CN (1) CN100460647C (zh)
DE (2) DE102004006555B4 (zh)
ES (1) ES2287897T3 (zh)
WO (1) WO2005078260A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005052362A1 (de) * 2005-11-02 2007-05-03 Siemens Ag Drosselklappenstutzen
ATE431496T1 (de) * 2007-03-09 2009-05-15 Magneti Marelli Spa Ventil zur steuerung des luftdurchsatzes in einer brennkraftmaschine
CN101158317B (zh) * 2007-11-07 2011-09-21 奇瑞汽车股份有限公司 高速柴油机电子控制涡流连续可变机械装置
JP6419344B2 (ja) * 2015-09-02 2018-11-07 日立オートモティブシステムズ株式会社 スロットルバルブ制御装置
IT201600098911A1 (it) * 2016-10-03 2018-04-03 Magneti Marelli Spa Valvola a farfalla per un motore a combustione interna
CN208900224U (zh) * 2018-09-17 2019-05-24 大陆汽车电子(芜湖)有限公司 节气门以及车辆

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394914A (en) * 1965-07-19 1968-07-30 Nagasato Takamitsu Fluid pressure responsive sealing butterfly valve
US5988131A (en) * 1997-12-23 1999-11-23 Ford Global Technologies, Inc. Air intake system with composite throttle body
US5979871A (en) * 1998-03-30 1999-11-09 Ford Motor Company Clamshell throttle valve assembly
DE19854594A1 (de) 1998-11-26 2000-05-31 Mannesmann Vdo Ag Drosselklappenstutzen
US6354267B1 (en) * 2000-03-28 2002-03-12 Borgwarner Inc. Injection molded throttle body
DE10044294A1 (de) 2000-09-07 2002-05-16 Siemens Ag Drosselklappenstutzen
DE10137771A1 (de) * 2001-08-02 2003-02-20 Bosch Gmbh Robert Drosselklappeneinheit mit integrierter Drosselklappe
DE10140394A1 (de) * 2001-08-23 2003-03-06 Siemens Ag Drosselklappenstutzen für einen Verbrennungsmotor
EP1308612A1 (en) 2001-10-30 2003-05-07 Visteon Global Technologies, Inc. Electronic throttle body made of two plastic materials having different strength
US6986680B2 (en) * 2002-01-24 2006-01-17 Wen-Chang Wu Conductive wire insertion device for installing a lamp rod

Also Published As

Publication number Publication date
EP1714018A1 (de) 2006-10-25
US20080006241A1 (en) 2008-01-10
WO2005078260A1 (de) 2005-08-25
DE102004006555B4 (de) 2005-11-24
DE502005001060D1 (de) 2007-08-30
CN100460647C (zh) 2009-02-11
JP4469862B2 (ja) 2010-06-02
JP2007522375A (ja) 2007-08-09
ES2287897T3 (es) 2007-12-16
US7469677B2 (en) 2008-12-30
DE102004006555A1 (de) 2005-09-22
CN1918376A (zh) 2007-02-21

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