EP1404958B1 - Tubulure a papillon - Google Patents

Tubulure a papillon Download PDF

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Publication number
EP1404958B1
EP1404958B1 EP02752977A EP02752977A EP1404958B1 EP 1404958 B1 EP1404958 B1 EP 1404958B1 EP 02752977 A EP02752977 A EP 02752977A EP 02752977 A EP02752977 A EP 02752977A EP 1404958 B1 EP1404958 B1 EP 1404958B1
Authority
EP
European Patent Office
Prior art keywords
throttle
throttle valve
housing
electronics
gaseous medium
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
EP02752977A
Other languages
German (de)
English (en)
Other versions
EP1404958A1 (fr
Inventor
Günther BENDER
Jörg Krüger
Axel Gössling
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 EP1404958A1 publication Critical patent/EP1404958A1/fr
Application granted granted Critical
Publication of EP1404958B1 publication Critical patent/EP1404958B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0414—Air temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium

Definitions

  • the invention relates to a throttle body with a housing containing one of a gaseous medium in a main flow direction permeable through Has throttle opening, wherein in the throttle opening on a throttle valve shaft pivotally mounted throttle is arranged, wherein the throttle shaft of an actuator is pivotable, the throttle opening on the input side to an input line and the output side to a Output line is connected and being upstream in front of the throttle valve, a first temperature T sensor of the gaseous medium and downstream of the throttle a second sensor for the pressure T of the gaseous medium is arranged.
  • Throttle body For controlling the internal combustion engine of a motor vehicle supplied fresh gas amount are usually throttle body used.
  • Throttle body include Housing with a through throttle opening and a in the Throttle opening arranged throttle body.
  • the throttle body is often designed as a throttle and takes for the Passing a certain amount of fresh gas a certain position in the throttle opening. This is the throttle mechanically or electronically controllable.
  • the throttle of a throttle body can in a Partial area, for example the idle area, of one Actuator movable and in the remaining area with the help of a to the gas pedal of the motor vehicle coupled wire rope be movable.
  • the throttle may, however also in their entire adjustment of an actuator be movable.
  • throttle body in which the control unit for the actuator in the housing of the Throttle body is integrated.
  • the control unit can In this case integrated in an arranged in the housing electronics be.
  • the electronics are there for more functions provided the throttle body, for example for the Control of a position control of the throttle shaft as well as the collection and storage of data of the throttle body.
  • An integration of the electronics in the housing of the throttle body is often with one extra connected large manufacturing and assembly costs because the housing additionally have a receptacle for the electronics got to.
  • an additional assembly step is required in which the electronics integrated into the throttle body housing becomes.
  • a throttle body of the type mentioned is out JP-A-4066736.
  • the pressure sensor protrudes directly into the throttle opening. By contamination of the pressure sensor can it to distortions of the measurement result of the Pressure sensor come, so that based on this measurement result Values of the determined air mass are falsified.
  • a throttle device for a Internal combustion engine which has a pivotally drivable Throttle in the permeable by a gaseous medium Has throttle opening.
  • the throttle is through bypassing a bypass for idle control, in which a Pressure sensor is arranged.
  • the bypass is for idle control by an idle valve more or less lockable.
  • the invention is therefore based on the object, a throttle body of the type mentioned above, with especially simple means even over particularly long periods A particularly reliable determination of the by the throttle opening passing air mass reliable guaranteed.
  • This object is achieved in that the second provided for the pressure P of the gaseous medium Sensor disposed in the housing and via a in the housing arranged channel is connected to the throttle opening.
  • An arrangement of the pressure sensor in the housing protects the Pressure sensor particularly reliable against contamination.
  • the invention is based on the consideration that a Air mass sensor for a throttle body - the same Particularly reliable over long periods of time Measurement results ensured - protected against contamination should be. However, this can be done especially in an intake air duct of a passenger car only with particularly high Effort through the installation of a complex filter system guarantee.
  • Alternative to direct air mass measurement the throttle body passing air mass determine.
  • a temperature and a pressure sensor are available at. From the temperature of the air and the pressure of the air can reliably be passed through the throttle opening Determine air mass.
  • Airflow are also suitable for standard sensors that even in mass production no significant contribution to the Deliver costs. To reliably measure the pressure of the to ensure air flow passing through the throttle opening, this is the pressure sensor in the flow direction behind the throttle and the temperature sensor in the flow direction arranged in front of the throttle.
  • the first for the temperature T of gaseous medium sensor provided on the housing of the Throttle body arranged and protrudes at least partially into the throttle opening.
  • An integration of the temperature sensor in the housing of the throttle body allows a preassembly of the temperature sensor in the housing the throttle body, so that the temperature sensor then together with the housing of the throttle body between the input line and the output line is to be arranged. This is the throttle for the throttle body and the assembly the temperature sensor required effort especially low.
  • the housing is of a housing cover closed, wherein in the housing cover electronics for the first provided for the temperature T of the gaseous medium Sensors and the second for the pressure P of the gaseous Mediums provided sensor is arranged.
  • the housing cover electronics for the two sensors on so are the signals of the sensors are particularly reliable due to the short path between the sensors and the electronics to the Electronics transferable, eliminating errors due to signal transmissions or disturbances in the transmission lines are avoided particularly reliable.
  • the electronics also include the controller of the actuator. Furthermore, advantageously, the throttle valve shaft connected to a position detection device, which is readable via the electronics. In electronics So are all recorded data of the throttle body readable and for further purposes in the motor vehicle reprocessed.
  • the electronics are on a printed circuit board arranged. If the electronics in the housing before installation arranged on a printed circuit board, in particular with the aid of integrated circuits, so can the electronics in integrate into the housing in a single assembly step. The Electronics is then connected to both with suitable connections Units outside the housing as well as with in or on the throttle body arranged sensors connectable.
  • the electronics via a plug connection with the position detection device and connected to the actuator.
  • Due to the spatial Near position detection device and actuator can be by means of a single component, a connection between the electronics and the Position detection device on the one hand and the electronics and the actuator on the other hand.
  • the advantages achieved by the invention are in particular that by the indirect measurement of passing through the throttle opening Air mass with sensors that are particularly resistant to contamination are. particularly reliable over long periods of time Measurement of passing through the throttle opening air mass during operation the throttle body is reliably guaranteed.
  • the throttle body 10 of FIG. 1 serves to a not shown Consumers, such as an injector one also not shown motor vehicle, an air or a fuel-air mixture supply, by means of the throttle body 10, the consumer supplied fresh gas quantity is controllable.
  • the throttle body 10 a housing 12, which is made predominantly of aluminum 14 is. Alternatively, however, the housing may also be made of plastic.
  • the Housing 12 includes a through throttle opening 16, over which not represented consumer air or a fuel-air mixture can be fed.
  • a throttle valve 22 arranged to adjust the supplied volume of fresh gas is on a Throttle valve shaft 18 by means of fastening means 20, a throttle valve 22 arranged.
  • the throttle shaft 18, the fastening means 20 and the throttle valve 22 are shown in Fig. 1 in an exploded view.
  • Ein Pivoting the throttle 22 causes an increase or decrease the opening of the throttle opening 16. This is the amount of through the throttle opening 16 passing through the flow medium adjustable. through a movement of the throttle valve 22 is thus a regulation of the Throughput of the air or fuel-air mixture through the throttle opening 16 of the throttle body 10.
  • the throttle shaft 18 may be connected to a pulley, not shown be connected, in turn, via a Bowden cable with an adjustment for a performance request.
  • the adjustment device can be designed as an accelerator pedal of a motor vehicle, so that a Actuation of this adjustment by the driver of the motor vehicle Throttle valve 22 from a position of minimum opening, in particular one Closed position, to a position of maximum opening, in particular a Open position can be brought to thereby the output of the To control motor vehicle.
  • the throttle shaft 18 of the throttle body 10 shown in FIG. 1 in contrast, is either in a partial area of an actuator and otherwise via the accelerator pedal adjustable or the throttle valve 22nd is adjustable over the entire adjustment range of an actuator.
  • the mechanical Power control such as depressing an accelerator pedal, in a implemented electrical signal. This signal in turn becomes a control unit supplied, which generates a drive signal for the actuator.
  • the throttle body 10 has a drive housing 24.
  • the drive housing 24 is integral with the housing 12 of the throttle body 10th executed.
  • the housing 12 of the throttle body 10 and the drive housing 24 may alternatively be designed in two pieces.
  • Drive housing 24 is designed as an electric motor electric actuator 26 arranged.
  • the trained as an electric motor electric actuator 26 is connected via a gear 28 to the throttle shaft 18.
  • the Throttle valve shaft 18 is thus formed by the electric motor Actuator 26 pivotable.
  • the throttle valve 22 is via the throttle shaft 18 of a return spring 28 acted upon Heidelbergschwenkbar in a basic position.
  • An emergency stop spring 30 ensures that even in case of failure of the electric motor trained electric actuator 26, the throttle valve is not complete is closed, so that despite the failure of trained as an electric motor Actuator 26 a albeit low driving performance of the motor vehicle is reliably guaranteed.
  • the return spring 28 and the emergency spring 30 are disposed at a first end 32 of the throttle shaft 18.
  • the housing 12 is closable at this end by a first cover 24.
  • At the second end 36 of the throttle shaft 18 is a as Potentiometer trained position detection device 38 for detection the current position of the throttle shaft 18 and thus indirectly the Throttle valve 22 is arranged.
  • the trained as a potentiometer position detection device 38 and the trained as an electric motor actuator 26 are using a connector 40 connected to a circuit board 42.
  • the circuit board 42 is here separated by a cover plate 44 of the housing portion in which the Potentiometer 38 and designed as an electric motor actuator 26 is arranged are.
  • the cover plate 44 reliably protects the circuit board 42 from contamination, due to the operation of the mechanical elements in the throttle body 10 are inevitable.
  • On the circuit board 42 is the electronics 46 for the trained as an electric motor actuator 26 and as a potentiometer trained position detection device 38 is arranged.
  • the circuit board 42 is in the assembly of the throttle body 10 in a lid 48 to be arranged, wherein by means of the lid 48, the housing 12 of the throttle body 10 closed from the spring system facing away from side is.
  • a temperature sensor 50 and a pressure sensor 52 are arranged as shown in FIG.
  • the temperature sensor is downstream of the throttle 22 and the pressure sensor 52 is downstream of the throttle 22 at arranged the housing 12 of the throttle body 10.
  • the temperature sensor 50 is via an electrical connector 54 with the on the circuit board 42 arranged electronics 46 connected, which can not be seen in Fig. 2 is, since it is arranged in the cover 46 of the housing 12.
  • the temperature sensor 50 projects into the throttle opening 16. This is a common component for measuring temperature.
  • the pressure sensor 52 is in the housing 12 of the throttle body 10th downstream of the throttle valve 22 is arranged.
  • the pressure sensor 52 is also by means of an electrical connector 56 with the on the circuit board 42 arranged electronics 48 connected, which is also not in Fig. 2 is shown in more detail.
  • the pressure sensor 52 is arranged via a in the housing 12 Channel 58 connected to the throttle opening.
  • the temperature sensor 50 and the pressure sensor 52 3 may be arranged in lines to which the throttle body 10 is connected.
  • Fig. 3 shows an input line 60, to which the Throttle body 10 is connected on the input side and an output line 62, to which the throttle body 10 is connected on the output side is. Schematically, the throttle body 10 is shown here.
  • the throttle body is thus according to FIG. 3 on the input side to an air supply line as input line 60 and the output side to an output line 62, which is designed as a pressure line connected.
  • Fig. 3 is the temperature sensor 50 in the input line 60 and the pressure sensor 52 arranged in the output line 62.
  • the throttle opening 16 of the Throttle valve 10 gaseous medium 66 supplied in this Embodiment is designed as air.
  • the gaseous medium 66 has in front of the throttle valve 22 of the throttle body 10, a certain temperature T, which can be detected by means of the temperature sensor 50. downstream after the throttle 22 of the throttle body 10, the air a certain pressure which can be detected by means of the pressure sensor 52.
  • the detected at certain intervals pressure and / or temperature values in a manner not shown arranged on the circuit board 42 electronics 46 of the throttle body 10 can be fed.
  • the electronics 46 of the Printed circuit board 42 has suitable evaluation electronics, by means of which of the detected pressure and / or temperature data passing through the throttle opening 16 in permeating air mass can be determined.
  • the electronics have more Modules, by means of which the currently determined air mass with others Information of the motor vehicle can be connected and evaluated.

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  • 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)
  • Lift Valve (AREA)

Abstract

L'invention concerne une tubulure à papillon (10) comprenant un boîtier (12) qui présente un orifice d'étranglement (16) traversant, pouvant être traversé par un fluide gazeux (66) dans un sens d'écoulement principal (64). Un papillon (22) fixé de manière pivotante sur un arbre de papillon (18) est monté dans ledit orifice (16), un mécanisme de commande (26) pouvant faire pivoter ledit arbre de papillon (18). L'orifice (16) est raccordé côté entrée à une conduite d'entrée (60) et côté sortie à une conduite de sortie (62) . L'objectif de l'invention est d'assurer, avec des moyens simples, une détermination particulièrement fiable de la masse de fluide gazeux (66) traversant l'orifice (16). A cet effet, un premier capteur (50) pour la température T du fluide gazeux est placé en amont du papillon (22) et un deuxième capteur (52) pour la pression P du fluide gazeux (66) est monté en aval du papillon (22).

Claims (7)

  1. Tubulure à papillon de régulation des gaz (10) avec un carter (12), qui comporte u n orifice d'étranglement (16) p arcouru dans u n sens principal d u flux (64) par un milieu gazeux (66), un papillon de régulation des gaz (22) étant fixé, de telle sorte qu'il puisse pivoter, sur un arbre de papillon de régulation des gaz (18) dans l'orifice d'étranglement (16), l'arbre du papillon de régulation des gaz (18) pouvant pivoter sous l'action d'un entraínement de réglage ou actionneur (26), l'orifice d'étranglement (16) étant raccordé, du côté entrée, à une conduite d'entrée (60) et, du côté sortie, à une conduite de sortie (62) et un premier capteur de température (50), destiné à la mesure de la température T du milieu gazeux (66), étant monté, dans le sens du flux, en amont du papillon de régulation des gaz (22) et un deuxième capteur de pression (52), destiné à la mesure de la pression P du milieu gazeux (66), étant monté, dans le sens du flux, en aval du papillon de régulation des gaz (22), caractérisée par le fait que le deuxième capteur de pression (54), destiné à la mesure de la pression P du milieu gazeux (66), est monté dans le carter (12) et relié, par l'intermédiaire d'un canal (58) disposé dans le carter (12), à l'orifice d'étranglement (16).
  2. Tubulure à papillon de régulation des gaz (10) selon la revendication 1, caractérisée par le fait que le premier capteur de température (50), destiné à la mesure de la température T du milieu gazeux (66) est monté sur le carter (12) et fait saillie, au moins en partie, dans l'orifice d'étranglement (16).
  3. Tubulure à papillon de régulation des gaz (10) selon l'une des revendications 1 et 2, caractérisée par le fait que le carter (12) peut être fermé par un couvercle de carter (48), un système électronique (46) pour le premier capteur de température (50) et le deuxième capteur de pression (52) étant disposé dans le couvercle de carter (48).
  4. Tubulure à papillon de régulation des gaz (10) selon la revendication 3, caractérisée par le fait que le système électronique (46) comprend aussi la commande de l'entraínement de réglage ou actionneur (26).
  5. Tubulure à papillon de régulation des gaz (10) selon l'une des revendications 1 à 4, caractérisée par le fait que l'arbre du papillon de régulation des gaz (18) est lié à un dispositif de détection de la position (38) qui peut être lu par l'intermédiaire du système électronique (46).
  6. Tubulure à papillon de régulation des gaz (10) selon l'une des revendications 4 à 5, caractérisée par le fait que le système électronique (46) est monté sur une carte à circuits imprimés (42).
  7. Tubulure à papillon de régulation des gaz (10) selon l'une des revendications 4 à 6, caractérisée par le fait que le système électronique (10) est relié, par l'intermédiaire d'une connexion enfichable, au dispositif de détection de la position (38) et à l'entraínement de réglage ou actionneur (26).
EP02752977A 2001-07-12 2002-06-21 Tubulure a papillon Expired - Fee Related EP1404958B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10133294A DE10133294A1 (de) 2001-07-12 2001-07-12 Drosselklappenstutzen
DE10133294 2001-07-12
PCT/DE2002/002282 WO2003006806A1 (fr) 2001-07-12 2002-06-21 Tubulure a papillon

Publications (2)

Publication Number Publication Date
EP1404958A1 EP1404958A1 (fr) 2004-04-07
EP1404958B1 true EP1404958B1 (fr) 2005-01-19

Family

ID=7691167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02752977A Expired - Fee Related EP1404958B1 (fr) 2001-07-12 2002-06-21 Tubulure a papillon

Country Status (6)

Country Link
US (1) US20040149946A1 (fr)
EP (1) EP1404958B1 (fr)
BR (1) BR0210957A (fr)
CA (1) CA2453426A1 (fr)
DE (2) DE10133294A1 (fr)
WO (1) WO2003006806A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004074661A1 (fr) 2003-02-20 2004-09-02 Mikuni Corporation Unite de modules capteurs et dispositif de papillon en comportant
DE102012221697A1 (de) * 2012-11-28 2014-05-28 Robert Bosch Gmbh Motorsteuereinheit
TWI616587B (zh) * 2014-08-26 2018-03-01 Kwang Yang Motor Co Engine throttle body structure
BE1026849B1 (nl) * 2018-12-07 2020-07-09 Atlas Copco Airpower Nv Gasnetwerk en werkwijze voor het simultaan detecteren van lekken en obstructies in een gasnetwerk onder druk of onder vacuüm

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JPS5791343A (en) * 1980-11-28 1982-06-07 Mikuni Kogyo Co Ltd Electronically controlled fuel injector for ignition internal combustion engine
JP2518235B2 (ja) * 1986-12-11 1996-07-24 日本電装株式会社 内燃機関用スロツトル弁制御装置
JPH0466736A (ja) * 1990-07-06 1992-03-03 Honda Motor Co Ltd 内燃機関制御システム
DE69214910T2 (de) * 1991-05-08 1997-03-20 Nippon Denso Co Einlassteuervorrichtung einer brennkraftmaschine
DE4443502A1 (de) * 1994-12-07 1996-06-13 Bosch Gmbh Robert Vorrichtung für eine Brennkraftmaschine
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US5664760A (en) * 1995-04-06 1997-09-09 United Technologies Corporation Pressure regulation valve with integrated downstream pressure tap
US5711271A (en) * 1995-05-05 1998-01-27 Robert Bosch Gmbh Throttle apparatus for an internal combustion engine
JP3787861B2 (ja) * 1995-07-14 2006-06-21 株式会社デンソー 内燃機関のスロットルバルブ装置
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JP3436660B2 (ja) * 1997-07-18 2003-08-11 トヨタ自動車株式会社 内燃機関のスロットル弁制御装置
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DE60011065T2 (de) * 1999-03-29 2005-01-27 Hitachi, Ltd. Elektronisch geregelte drosselklappe

Also Published As

Publication number Publication date
CA2453426A1 (fr) 2003-01-23
DE50202057D1 (de) 2005-02-24
EP1404958A1 (fr) 2004-04-07
WO2003006806A1 (fr) 2003-01-23
DE10133294A1 (de) 2003-01-23
US20040149946A1 (en) 2004-08-05
BR0210957A (pt) 2004-06-08

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