EP1571313B1 - Unité d'alimentation integrée pour moteurs à combustion interne - Google Patents

Unité d'alimentation integrée pour moteurs à combustion interne Download PDF

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Publication number
EP1571313B1
EP1571313B1 EP20050101356 EP05101356A EP1571313B1 EP 1571313 B1 EP1571313 B1 EP 1571313B1 EP 20050101356 EP20050101356 EP 20050101356 EP 05101356 A EP05101356 A EP 05101356A EP 1571313 B1 EP1571313 B1 EP 1571313B1
Authority
EP
European Patent Office
Prior art keywords
unit
throttle
integrated
sensors
board
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
EP20050101356
Other languages
German (de)
English (en)
Other versions
EP1571313A1 (fr
Inventor
Pierluigi Dell'orto
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.)
Dell Orto SpA
Original Assignee
Dell Orto 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 Dell Orto SpA filed Critical Dell Orto SpA
Publication of EP1571313A1 publication Critical patent/EP1571313A1/fr
Application granted granted Critical
Publication of EP1571313B1 publication Critical patent/EP1571313B1/fr
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
    • F02D9/107—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
    • 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
    • F02D11/106—Detection of demand or actuation
    • 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
    • F02D11/107—Safety-related aspects
    • 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
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0225—Intake air or mixture temperature
    • 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
    • F02D2009/0228—Manifold pressure
    • 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
    • F02D2009/0294—Throttle control device with provisions for actuating electric or electronic sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F02D2041/285—Interface circuits between sensors and control unit the sensor having a signal processing unit external to the engine control unit
    • 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
    • F02D2200/0404—Throttle position
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F02D31/003—Electric control of rotation speed controlling air supply for idle speed control
    • F02D31/005—Electric control of rotation speed controlling air supply for idle speed control by controlling a throttle by-pass

Definitions

  • the present invention relates to an integrated supply unit for internal combustion engines.
  • throttle bodies are already well-known, which are assemblies bringing together - for the supply of fuel-injected internal combustion engines - an air supply intake and a throttle valve for adjustment of the supplied air flow.
  • a throttle body As a matter of fact, it provides the assembling of three elements: a throttle body, a control block, and a cover, where all sensor or control means are mounted on the control block and are fixed by soldering to a printed circuit plate, in turn mounted on the control block.
  • the present invention addresses this need through a unit according to the invention, which is of the type described in the introduction of claim 1 and having the features described in the characterising portion of claim 1.
  • the essential advantage of the supply unit according to the invention is given by the fact that the control means are essentially associated with the throttle body, whereas the sensor means are associated with the cover, thereby providing the cover not only with a circuit-protecting function, but also with a sensor-supporting function, which sensors come into cooperation with the control means by the cover simply coupling with the throttle body.
  • Figs. 1 and 2 are two perspective views from the same side, but with different angles, of the unit according to the invention
  • Fig. 3 shows the same unit of figs. 1 and 2 in a perspective view according to the same angle of fig. 2 with parts removed;
  • Fig. 3A is a section view, in a slightly reduced scale over that of figs. 1 to 3 , which shows in detail assembling of the electronic-board unit and of the cover therefor in the unit of said figures;
  • Fig. 4 is a perspective view with parts removed of the unit according to the invention of figs. 1 to 3 , from the side opposite to that of the previous drawings;
  • Fig. 5 is a perspective view with parts removed of the unit according to the invention of figs. 1 to 4 , from a side different from those of the previous drawings.
  • an integrated supply unit according to the invention is described, specifically designed for motorcycles applications, of the type developing around a mechanically-operated throttle unit, with the gas control directly operated by the driver through a wire.
  • the unit described can be applied on other types of vehicles, in particular on cars and/or be developed around an electro-mechanically-operated throttle unit, with the gas control indirectly controlled by the driver, through a small electric motor and a potentiometer for the control thereof.
  • the integrated unit according to the invention develops around a throttle unit 1, of which the supply duct 2, the throttle 3 and the means 4 to control the movement of said throttle against the action of a return spring 5, through a wire not shown can be seen.
  • the throttle unit 1 With the throttle unit 1 is steadily associated the electronic unit 6 controlling the various functions connected with the starting and the running at the various engine speeds (ECU), the sensor 7 of the position of the throttle 3 (TPS), the sensor 8 of the absolute pressure (MAP), the sensor 9 of the intake air temperature (IAT) and the actuator 10 for the adjustment of the engine idle speed (or idle adjuster, acting in the various conditions of idle running of the engine and also - or in particular - during starting, especially cold starting, of the engine itself).
  • sensors 7, 8 and 9 are steadily associated, preferably through soldering, with the board making up the electronic unit 6, from whose main plane they project at 90° therewith.
  • said sensors arrange themselves in a recess 1a ( figs. 3 , 4 ) of the body itself meant to accommodate them.
  • This recess 1a contains a revolving element 11 for the sensor 7 of the position of the throttle 3 and interface elements 12 and 13 which allow connection of the sensors themselves to respective housings and circuits found within said throttle unit 1.
  • the central unit 6 is associated with throttle unit 1 - reference can be made in particular to fig. 3A - applying to said throttle unit a plastic cover 14 of the recess 1a, within which is incorporated the board 6 and which comprises an electric connector 15 which serves the whole unit.
  • a metallic retaining ring 16 allows to steadily fasten the cover 14 to the throttle unit 1, engaging a suitable peripheral seat 17 thereof.
  • Suitable sealing means associated with said interface elements 12 and 13 are further provided which are capable of absorbing the assembling tolerances of the sensors on the board and of preventing any possible communication between supply duct 2 and the electric and electronic components of the unit.
  • the sensor 7 of the throttle position is preferably of the contact-free type, whereas the idle adjuster 10 - which preferably comprise a solenoid 18 which is driven in frequency - accomplishes modulation of the air flow in a derived circuit which connects the upstream and downstream portions of the throttle 3 of the supply duct 2.
  • Reference 19 indicates a housing recess of the adjuster 10.
  • the solenoid 18 - whose geometric configuration may vary to suit the construction requirements of the unit according to the invention - comprises a piston-shaped element which fills a port to a greater or smaller degree to modulate the air flow.
  • the integrated unit subject of the invention distinguishes itself for the extreme functionality and compactness of the assembly and for the utter simplicity of the electrical wiring among the various components. This last feature in turn ensures high reliability and a limited cost of the unit according to the invention, the progress and advantages of which over the known prior art appear thereby confirmed.

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)

Claims (6)

  1. Unité d'alimentation intégrée pour moteurs à combustion interne, du type dans lequel l'unité de papillon des gaz (1) de l'alimentation en carburant réglée du moteur comprend, associés solidement à celle-ci, une unité électronique (6) commandant les diverses fonctions concernant le démarrage et le fonctionnement du moteur (unité ECU), un moyen de réglage de vitesse de ralenti (10), un moyen de capteur de position d'unité de papillon des gaz (7), de même que des moyens de capteurs de pression et de température (8, 9), où lesdits capteurs (7, 8, 9) sont associés solidement à la carte qui constitue ladite unité électronique (6), ladite carte étant logée dans un couvercle (14) et lesdits capteurs (7, 8, 9) dépassant de celui-ci perpendiculairement à son plan principal,
    caractérisée en ce que
    - ladite unité intégrée est constituée de deux corps, d'une part un corps de papillon des gaz (1) comprenant une conduite d'alimentation (2), un volet (3) et un moyen (4, 5) destiné à commander le déplacement dudit volet et d'autre part, le couvercle (14),
    - ledit corps de papillon des gaz comprend un évidement (1a) recevant des éléments d'interface (11, 12, 13) pouvant coopérer avec lesdits capteurs (7, 8, 9) associés à la carte (6), chaque fois que le couvercle est associé au corps de papillon des gaz, et
    - le couvercle (14), supportant la carte (6) avec les capteurs (7, 8, 9), est associé solidement au corps de papillon des gaz (1) par l'intermédiaire d'une bague de maintien en métal (16) qui est serrée dans un siège approprié au niveau de la périphérie du corps lui-même, de façon à assurer une étanchéité efficace entre l'admission (2) et la partie électronique du corps lui-même.
  2. Unité intégrée selon la revendication 1, dans laquelle lesdits capteurs (7, 8, 9) sont soudés à ladite carte (6).
  3. Unité intégrée selon la revendication 1 ou 2, dans laquelle un seul connecteur électrique (15) est prévu, lequel sert d'unité entière.
  4. Unité intégrée selon les revendications 1 à 3, dans laquelle ledit moyen de réglage de ralenti (10) est constitué d'un solénoïde (18) intégré dans l'unité elle-même.
  5. Unité intégrée selon les revendications 1 à 4, dans laquelle l'unité de papillon des gaz (1) est commandée directement par le conducteur par l'intermédiaire d'un câble.
  6. Unité intégrée selon les revendications 1 à 4, dans laquelle le volet de papillon des gaz (3) est commandé par un moteur électrique attaqué par le capteur de positionnement (7) dudit volet.
EP20050101356 2004-03-04 2005-02-23 Unité d'alimentation integrée pour moteurs à combustion interne Expired - Fee Related EP1571313B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20040415 2004-03-04
ITMI20040415 ITMI20040415A1 (it) 2004-03-04 2004-03-04 Unita'integrata di alimentazione per motori a combustione interna

Publications (2)

Publication Number Publication Date
EP1571313A1 EP1571313A1 (fr) 2005-09-07
EP1571313B1 true EP1571313B1 (fr) 2008-04-09

Family

ID=34746719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050101356 Expired - Fee Related EP1571313B1 (fr) 2004-03-04 2005-02-23 Unité d'alimentation integrée pour moteurs à combustion interne

Country Status (3)

Country Link
EP (1) EP1571313B1 (fr)
DE (1) DE602005005883D1 (fr)
IT (1) ITMI20040415A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100365261C (zh) * 2005-09-28 2008-01-30 联合汽车电子有限公司 小型发动机节气门模块
CN202300671U (zh) * 2011-10-26 2012-07-04 德尔福（上海）动力推进系统有限公司 集成节气门位置传感器的电喷控制装置
DE102012221697A1 (de) * 2012-11-28 2014-05-28 Robert Bosch Gmbh Motorsteuereinheit
CN106870168B (zh) * 2015-12-10 2020-09-11 光阳工业股份有限公司 引擎节流阀体结构
EP3498999B1 (fr) * 2017-12-13 2020-12-16 Vitesco Technologies GmbH Soupape pour un système de gaz d'échappement dans un véhicule
CN113027618A (zh) * 2021-03-31 2021-06-25 湛江德利车辆部件有限公司 一种节流阀体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711271A (en) * 1995-05-05 1998-01-27 Robert Bosch Gmbh Throttle apparatus for an internal combustion engine
DE19728349A1 (de) * 1997-07-03 1999-01-07 Telefunken Microelectron Sensoranordnung und Motorsteuerungseinrichtung für einen Verbrennungsmotor
KR20040061014A (ko) * 1999-03-29 2004-07-06 가부시키가이샤 히타치세이사쿠쇼 전자 제어식 드로틀 장치
JP4474080B2 (ja) * 2001-08-31 2010-06-02 本田技研工業株式会社 エンジンの吸気量制御装置

Also Published As

Publication number Publication date
DE602005005883D1 (de) 2008-05-21
ITMI20040415A1 (it) 2004-06-04
EP1571313A1 (fr) 2005-09-07

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