EP0596392A1 - Dispositif d'admission d'air pour moteur à combustion interne - Google Patents

Dispositif d'admission d'air pour moteur à combustion interne Download PDF

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Publication number
EP0596392A1
EP0596392A1 EP93117350A EP93117350A EP0596392A1 EP 0596392 A1 EP0596392 A1 EP 0596392A1 EP 93117350 A EP93117350 A EP 93117350A EP 93117350 A EP93117350 A EP 93117350A EP 0596392 A1 EP0596392 A1 EP 0596392A1
Authority
EP
European Patent Office
Prior art keywords
seat
fact
electric
channel
printed circuit
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.)
Granted
Application number
EP93117350A
Other languages
German (de)
English (en)
Other versions
EP0596392B1 (fr
Inventor
Francesco Paolo Ausiello
Domenico Cannone
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.)
Marelli Europe SpA
Original Assignee
Weber SRL
Magneti Marelli SpA
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 Weber SRL, Magneti Marelli SpA filed Critical Weber SRL
Publication of EP0596392A1 publication Critical patent/EP0596392A1/fr
Application granted granted Critical
Publication of EP0596392B1 publication Critical patent/EP0596392B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F02D2011/101—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 characterised by the means for actuating the throttles
    • F02D2011/102—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 characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/18—Packaging of the electronic circuit in a casing

Definitions

  • the present invention relates to an internal combustion engine air supply device.
  • internal combustion engine air supply devices substantially comprise a throttled body, a torque motor for operating the throttle, and a sensor for detecting the position of the throttle.
  • Air supply devices of the aforementioned type present several drawbacks.
  • the electronics controlling the electric components on the throttled body are installed in the electronic control system controlling the internal combustion engine and all the other electric components on the vehicle, so that the control system is both cumbersome and, hence, difficult to house.
  • the electronic control system is also unfavourably located as regards effective heat exchange.
  • the engine compartment is one of the hottest parts of the vehicle, and poses serious problems as regards heat exchange for dissipating the heat produced by the electronic blocks with which the control system is provided, and also by the power blocks of the electronics controlling the electric components on the throttled body.
  • the control system and the electric components on the throttled body are connected electrically over cables necessarily extending over a long route.
  • an internal combustion engine air supply device comprising a body having a channel for supplying air to said internal combustion engine; a throttle installed along said channel; drive means for operating said throttle; and a sensor for detecting the position of said throttle; characterized by the fact that it presents an electronic device for controlling said drive means and said sensor; and a seat formed in said body and housing said electronic device.
  • Device 1 indicates an air supply device for a vehicle internal combustion engine (not shown).
  • Device 1 comprises a substantially cylindrical channel 2 of axis 9, for supplying air to the internal combustion engine; a throttle 3 housed inside channel 2, for choking the air supply; a motor 4 (normally a torque motor) for operating throttle 3; a sensor 27 for detecting the position of throttle 3; and a printed circuit 6 comprising a number of electric blocks for controlling motor 4 and sensor 27, and for additional functions described hereinafter.
  • Device 1 also comprises a metal body 7 in which are formed said channel 2; a seat 8 of axis 10, for housing motor 4; a seat 11 also of axis 10, for housing a spring assembly 26 and a limit stop 5 for assembly 26; and a seat 12 for printed circuit 6.
  • body 7 comprises a substantially prismatic central element 13 having a through hole of axis 9 and defining channel 2; a box element 14 originating from a first outer lateral wall 15 of element 13 and internally defining seat 8; and a box element 16 extending from a second outer lateral wall 17 of element 13, opposite said first wall 15, and internally defining seat 11.
  • a tubular portion 19, defining the mouth of channel 2 extends outwards of element 13 from lateral wall 18 of element 13 and coaxially with channel 2.
  • element 13 presents a lateral wall 21 from which originates a coplanar tab 22; wall 21 and tab 22 defining the end wall of seat 12.
  • Tab 22 extends from the edge defined between walls 21 and 17, and by a length greater than the longitudinal extension of element 16, so that (Fig.1) the first portion of tab 22 is an integral part of a corresponding lateral wall of element 16.
  • seat 8 presents a fluidtight cover plate 23 screwed to element 14 by means of screws 24; and motor 4 presents an output shaft 25, of axis 10, extending from seat 8 to seat 11 and through channel 2.
  • the portion of shaft 25 inside channel 2 is fitted by means of screws 29 with throttle 3; while the portion of shaft 25 inside seat 11 is fitted with sensor 27, which, in the example embodiment shown, is represented by an electric potentiometer.
  • seat 11 houses spring assembly 26 of known type and operation.
  • Sensor 27 is integrated in the (fluidtight) cover plate of seat 11, and is screwed to element 16 by means of screws 28.
  • seat 12 is defined by an end wall composed of wall 21 and tab 22; by four low lateral walls 31; and by a fluidtight cover plate 32.
  • Printed circuit 6 is fitted to the end wall of seat 12 by means of screws 33, and presents a so-called "intelligent" electronic device 34 capable of processing data, controlling and diagnosing motor 4 and sensor 27, and transmitting and receiving data to/from an electronic control system 35 controlling the vehicle internal combustion engine, and to/from a control panel 36 in the passenger compartment of the vehicle.
  • Control system 35 and panel 36 are shown schematically by respective blocks in Fig.1.
  • Device 34 comprises a number of electronic blocks divided schematically into low-heat-dissipation blocks 34a producing little heat as a consequence of the Joule effect, and high-heat-dissipation power blocks 34b producing considerable heat as a consequence of the Joule effect, and including, for example, the driver of motor 4 and the electric supply stabilizer of device 34.
  • Blocks 34b are located in a portion 38 of printed circuit 6 close to a lateral wall portion of channel 2 (as shown in Fig.1), so that the heat produced by blocks 34b is advantageously dissipated towards the air flowing along channel 2 and which thus also provides for cooling device 1.
  • printed circuit 6 presents a group 41 of electric connections for connecting circuit 6 to the terminals of the electric winding of motor 4; a group 42 of electric connections for connecting circuit 6 to the terminals of sensor 27; and a group 43 of electric connections for connecting circuit 6 to a male connector 44 supported on tab 22. All the above electric connections are welded so that efficiency is unaffected by vibration of body 7.
  • Male connector 44 is connected to a female connector 45 (Fig.1) from which originate two bundles 46 of electric cables respectively connecting control system 35 and panel 36.
  • Bundles 46 are fitted with an antivibration clamp 51 screwed by means of screw 52 to the plate defined by sensor 27.
  • the block indicating control system 35 contains a block 53 indicating a data storage circuit, in particular for memorizing the speed of the vehicle; and the block indicating panel 36 contains four blocks 47, 48, 49, 50 indicating the members for controlling or enabling the overall function of panel 36, which consists in automatically controlling the speed of the vehicle.
  • block 47 indicates a manually operated switch for enabling or disabling the automatic vehicle speed control function of panel 36.
  • Block 48 indicates a manually operated switch for memorizing in block 53 and setting by means of control system 35 a vehicle speed equal to the traveling speed of the vehicle when block 48 is operated.
  • Block 49 indicates a switch operated by means of the brake and/or clutch pedal for temporarily disabling the automatic control function of panel 36.
  • Block 50 indicates a switch operated manually between two states for setting a vehicle speed selection strategy immediately following operation of block 49, normally as a result of braking. In a first of said two states, vehicle speed is controlled by the user via the accelerator pedal; while, in the second, the vehicle is restored automatically to the set memorized speed.
  • Device 34 performs various functions, of which only the principal ones will be dealt with herein.
  • Device 34 includes enabling control of motor 4, and evaluating the response of throttle 3 to motor 4, as indicated by throttle position sensor 27. In this way, it is possible to determine any positioning errors of throttle 3 due to a defect on motor 4 or to severe friction along shaft 25.
  • Device 34 also determines the energy consumption of motor 4, which, if excessive, indicates either a defect on motor 4 or severe friction along shaft 25. In other words, device 34 provides for locally diagnosing operation of motor 4 and sensor 27.
  • Another principal function of device 34 consists in evaluating the consistency, i.e. the correct sequence, of the controls set by blocks 47, 48, 49 and 50, which obviously translates into a diagnosis of the blocks themselves.
  • control system 35 controlling the internal combustion engine and all the other electric components on the vehicle is smaller as compared with currently used systems, by virtue of the electronics controlling the electric components on throttled body 7 being separated from system 35.
  • control system 35 produces less heat as compared with currently used systems; and, on device 1, the electronic blocks of device 34 producing most heat are concentrated in a limited area close to the lateral wall of channel 2, thus enabling the air flowing along channel 2 to be exploited for dissipating the heat produced by device 34.
  • Such dissipation obviously also provides for advantages as regards the engine, especially when this is cold- started.
  • the length of the electric connections between the control blocks of the throttled body and the electric components on the body itself is minimized, thus minimizing electronic disturbance caused by interference with the electromagnetic fields produced by any nearby electric components.
  • minimizing the length of the electric connections provides for troublefree routing of the cables inside the engine compartment; for eliminating the need to so route the cables as to avoid thermal and mechanical hazards by which the cables might be damaged; and also for considerably reducing assembly cost by eliminating the assembly brackets and anchorages.
  • throttled body 7 by device 34 are unaffected by signal errors caused, for example, by electrical interference of any type, and as such are more precise and effective. Also, by virtue of being welded, the electric connections between device 34 and the electric components connected to it are unaffected by vibration of body 7, thus improving the efficiency and extending the working life of the connections.

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)
  • Means For Warming Up And Starting Carburetors (AREA)
EP93117350A 1992-10-29 1993-10-26 Dispositif d'admission d'air pour moteur à combustion interne Expired - Lifetime EP0596392B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO920379 1992-10-29
ITBO920379A IT1259443B (it) 1992-10-29 1992-10-29 Dispositivo di alimentazione aria per un motore a combustione interna.

Publications (2)

Publication Number Publication Date
EP0596392A1 true EP0596392A1 (fr) 1994-05-11
EP0596392B1 EP0596392B1 (fr) 1997-01-08

Family

ID=11338522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117350A Expired - Lifetime EP0596392B1 (fr) 1992-10-29 1993-10-26 Dispositif d'admission d'air pour moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP0596392B1 (fr)
DE (1) DE69307269T2 (fr)
ES (1) ES2098626T3 (fr)
IT (1) IT1259443B (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0723072A1 (fr) * 1995-01-17 1996-07-24 Hitachi, Ltd. Dispositif de commande de débit d'air
WO1996023965A1 (fr) * 1995-02-01 1996-08-08 Ab Elektronik Gmbh Systeme de soupape d'etranglement
WO1996035047A1 (fr) * 1995-05-05 1996-11-07 Robert Bosch Gmbh Dispositif de reglage des gaz pour moteur a combustion interne
FR2736678A1 (fr) * 1995-07-13 1997-01-17 Bosch Gmbh Robert Dispositif de reglage d'un volet d'etranglement de l'alimentation d'un moteur a combustion interne
WO1997016638A1 (fr) * 1995-10-28 1997-05-09 Robert Bosch Gmbh Tubulure de soupape d'etranglement
WO1998017905A1 (fr) * 1996-10-24 1998-04-30 Mannesmann Vdo Ag Dispositif de reglage de charge
WO1999035712A2 (fr) * 1998-01-10 1999-07-15 Mannesmann Vdo Ag Connecteur electrique
WO2000031405A2 (fr) * 1998-11-26 2000-06-02 Mannesmann Vdo Ag Corps de papillon des gaz
EP1167724A1 (fr) * 1999-03-29 2002-01-02 Hitachi, Ltd. Dispositif d'etranglement commande de maniere electronique
WO2002075135A1 (fr) * 2001-03-15 2002-09-26 Robert Bosch Gmbh Unite d'actionnement electromotrice pour un systeme doseur d'un moteur a combustion interne
EP1281848A2 (fr) * 2001-08-02 2003-02-05 Siemens Aktiengesellschaft Corps pour soupape à papillon
EP1342896A2 (fr) * 2002-03-06 2003-09-10 BorgWarner Inc. Dispositif de commande électronique de papillon avec capteur de position sans contact
EP1674695A2 (fr) * 2002-03-06 2006-06-28 Borgwarner, Inc. Dispositif de commande électronique de papillon avec capteur de position
US7171945B2 (en) * 2004-09-28 2007-02-06 Honda Motor Co., Ltd. Throttle device for multipurpose engine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3975065B2 (ja) * 2001-08-31 2007-09-12 本田技研工業株式会社 小型車両におけるエンジンの吸気量制御装置
DE102015226336A1 (de) * 2015-12-21 2017-06-22 Robert Bosch Gmbh Brennkraftmaschinenanordnung mit vereinfachtem Aufbau

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2952786A1 (de) * 1979-12-31 1981-09-24 Fritz Heinzmann GmbH & Co, 7321 Albershausen Drehzahlregler fuer verbrennungsmotoren
JPS60111025A (ja) * 1983-11-18 1985-06-17 Nippon Denso Co Ltd 車両用電子制御装置取付構造
DE3405935A1 (de) * 1984-02-18 1985-08-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Drosselklappenstelleinrichtung
EP0315794A2 (fr) * 1987-11-12 1989-05-17 Robert Bosch Gmbh Dispositif de commande d'une valve d'étranglement d'un moteur à combustion interne d'un véhicule
US5094212A (en) * 1989-03-28 1992-03-10 Honda Giken Kogyo Kabushiki Kaisha Throttle body assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2952786A1 (de) * 1979-12-31 1981-09-24 Fritz Heinzmann GmbH & Co, 7321 Albershausen Drehzahlregler fuer verbrennungsmotoren
JPS60111025A (ja) * 1983-11-18 1985-06-17 Nippon Denso Co Ltd 車両用電子制御装置取付構造
DE3405935A1 (de) * 1984-02-18 1985-08-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Drosselklappenstelleinrichtung
EP0315794A2 (fr) * 1987-11-12 1989-05-17 Robert Bosch Gmbh Dispositif de commande d'une valve d'étranglement d'un moteur à combustion interne d'un véhicule
US5094212A (en) * 1989-03-28 1992-03-10 Honda Giken Kogyo Kabushiki Kaisha Throttle body assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 264 (M - 423) 22 October 1985 (1985-10-22) *

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1050673A3 (fr) * 1995-01-17 2000-11-15 Hitachi, Ltd. Dispositif de commande de débit d'air
EP1219804A3 (fr) * 1995-01-17 2008-03-26 Hitachi Ltd. Dispositif de commande de débit d'air
EP1219804A2 (fr) 1995-01-17 2002-07-03 Hitachi Ltd. Dispositif de commande de débit d'air
USRE39257E1 (en) * 1995-01-17 2006-09-05 Hitachi, Ltd. Air flow rate control apparatus
EP0723072A1 (fr) * 1995-01-17 1996-07-24 Hitachi, Ltd. Dispositif de commande de débit d'air
EP0844378A2 (fr) * 1995-01-17 1998-05-27 Hitachi, Ltd. Dispositif de commande de débit d'air
US5868114A (en) * 1995-01-17 1999-02-09 Hitachi, Ltd. Air flow rate control apparatus
USRE42940E1 (en) 1995-01-17 2011-11-22 Hitachi, Ltd. Air flow rate control apparatus
EP0844378A3 (fr) * 1995-01-17 1999-09-01 Hitachi, Ltd. Dispositif de commande de débit d'air
EP1050674A3 (fr) * 1995-01-17 2000-11-15 Hitachi, Ltd. Dispositif de commande de débit d'air
WO1996023965A1 (fr) * 1995-02-01 1996-08-08 Ab Elektronik Gmbh Systeme de soupape d'etranglement
WO1996035047A1 (fr) * 1995-05-05 1996-11-07 Robert Bosch Gmbh Dispositif de reglage des gaz pour moteur a combustion interne
US5672818A (en) * 1995-07-13 1997-09-30 Robert Bosch Gmbh Throttle valve adjusting unit
DE19525510B4 (de) * 1995-07-13 2008-05-08 Robert Bosch Gmbh Drosselklappenstelleinheit
FR2736678A1 (fr) * 1995-07-13 1997-01-17 Bosch Gmbh Robert Dispositif de reglage d'un volet d'etranglement de l'alimentation d'un moteur a combustion interne
WO1997016638A1 (fr) * 1995-10-28 1997-05-09 Robert Bosch Gmbh Tubulure de soupape d'etranglement
US6259184B1 (en) 1996-10-24 2001-07-10 Mannesmann Vdo Ag Load shifting device
WO1998017905A1 (fr) * 1996-10-24 1998-04-30 Mannesmann Vdo Ag Dispositif de reglage de charge
WO1999035712A3 (fr) * 1998-01-10 1999-09-10 Mannesmann Vdo Ag Connecteur electrique
WO1999035712A2 (fr) * 1998-01-10 1999-07-15 Mannesmann Vdo Ag Connecteur electrique
US6373212B1 (en) 1998-01-10 2002-04-16 Mannesmann Vdo Ag Electric connector
WO2000031405A2 (fr) * 1998-11-26 2000-06-02 Mannesmann Vdo Ag Corps de papillon des gaz
WO2000031405A3 (fr) * 1998-11-26 2002-11-28 Mannesmann Vdo Ag Corps de papillon des gaz
EP1167724A4 (fr) * 1999-03-29 2002-06-19 Hitachi Ltd Dispositif d'etranglement commande de maniere electronique
US7185629B2 (en) 1999-03-29 2007-03-06 Hitachi, Ltd. Motor driving type throttle apparatus
US6725833B1 (en) 1999-03-29 2004-04-27 Hitachi, Ltd. Electronically controlled throttle device
EP1167724A1 (fr) * 1999-03-29 2002-01-02 Hitachi, Ltd. Dispositif d'etranglement commande de maniere electronique
US7458360B2 (en) 1999-03-29 2008-12-02 Hitachi, Ltd. Motor driving type throttle apparatus
WO2002075135A1 (fr) * 2001-03-15 2002-09-26 Robert Bosch Gmbh Unite d'actionnement electromotrice pour un systeme doseur d'un moteur a combustion interne
US6729299B2 (en) 2001-08-02 2004-05-04 Siemens Aktiengesellschaft Throttle body
EP1281848A3 (fr) * 2001-08-02 2004-02-25 Siemens Aktiengesellschaft Corps pour soupape à papillon
EP1281848A2 (fr) * 2001-08-02 2003-02-05 Siemens Aktiengesellschaft Corps pour soupape à papillon
EP1342896A3 (fr) * 2002-03-06 2005-05-25 BorgWarner Inc. Dispositif de commande électronique de papillon avec capteur de position sans contact
EP1674695A3 (fr) * 2002-03-06 2006-09-06 Borgwarner, Inc. Dispositif de commande électronique de papillon avec capteur de position
EP1342896A2 (fr) * 2002-03-06 2003-09-10 BorgWarner Inc. Dispositif de commande électronique de papillon avec capteur de position sans contact
EP1674695A2 (fr) * 2002-03-06 2006-06-28 Borgwarner, Inc. Dispositif de commande électronique de papillon avec capteur de position
US7171945B2 (en) * 2004-09-28 2007-02-06 Honda Motor Co., Ltd. Throttle device for multipurpose engine

Also Published As

Publication number Publication date
DE69307269T2 (de) 1997-08-07
ES2098626T3 (es) 1997-05-01
ITBO920379A0 (it) 1992-10-29
DE69307269D1 (de) 1997-02-20
ITBO920379A1 (it) 1994-04-29
IT1259443B (it) 1996-03-18
EP0596392B1 (fr) 1997-01-08

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