EP1571313A1 - Integrierte Versorgungseinheit für Brennkraftmaschinen - Google Patents

Integrierte Versorgungseinheit für Brennkraftmaschinen Download PDF

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Publication number
EP1571313A1
EP1571313A1 EP05101356A EP05101356A EP1571313A1 EP 1571313 A1 EP1571313 A1 EP 1571313A1 EP 05101356 A EP05101356 A EP 05101356A EP 05101356 A EP05101356 A EP 05101356A EP 1571313 A1 EP1571313 A1 EP 1571313A1
Authority
EP
European Patent Office
Prior art keywords
unit
throttle
integrated
board
sensors
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
EP05101356A
Other languages
English (en)
French (fr)
Other versions
EP1571313B1 (de
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
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Filing date
Publication date
Application filed by Dell Orto SpA filed Critical Dell Orto SpA
Publication of EP1571313A1 publication Critical patent/EP1571313A1/de
Application granted granted Critical
Publication of EP1571313B1 publication Critical patent/EP1571313B1/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
    • F02D9/107—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.
  • the present invention addresses this need through a unit according to the invention, which is of the type in which the throttle unit of the adjusted fuel supply to the engine comprises, steadily associated therewith, an electronic unit controlling the various functions connected with the starting and the running of the engine (ECU), idle speed adjustment means, throttle unit position sensor means, and pressure and temperature sensor means.
  • This unit is characterised in that all said sensors are steadily associated with the board which makes up said electronic unit and project therefrom perpendicularly to the main plane thereof.
  • said sensors are associated with said board through soldering and said board is steadily associated with the throttle unit through a plastic cover and a metal ring which is tightened in a suitable seat at the periphery of the body itself.
  • 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 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)
EP20050101356 2004-03-04 2005-02-23 Integrierte Versorgungseinheit für Brennkraftmaschinen Expired - Fee Related EP1571313B1 (de)

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 true EP1571313A1 (de) 2005-09-07
EP1571313B1 EP1571313B1 (de) 2008-04-09

Family

ID=34746719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050101356 Expired - Fee Related EP1571313B1 (de) 2004-03-04 2005-02-23 Integrierte Versorgungseinheit für Brennkraftmaschinen

Country Status (3)

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

Cited By (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
WO2013060289A1 (zh) * 2011-10-26 2013-05-02 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
WO2014082775A1 (de) * 2012-11-28 2014-06-05 Robert Bosch Gmbh Motorsteuereinheit
CN106870168A (zh) * 2015-12-10 2017-06-20 光阳工业股份有限公司 引擎节流阀体结构
EP3498999A1 (de) * 2017-12-13 2019-06-19 Continental Automotive GmbH Ventil für ein abgassystem in einem kraftfahrzeug
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

Citations (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
EP1167724A1 (de) * 1999-03-29 2002-01-02 Hitachi, Ltd. Elektronisch geregelte drosselklappe
US6446600B1 (en) * 1997-07-03 2002-09-10 Daimler-Benz Aktiengesellschaft Sensor arrangement and engine management device for a combustion engine
JP2003074379A (ja) * 2001-08-31 2003-03-12 Honda Motor Co Ltd エンジンの吸気量制御装置

Patent Citations (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
US6446600B1 (en) * 1997-07-03 2002-09-10 Daimler-Benz Aktiengesellschaft Sensor arrangement and engine management device for a combustion engine
EP1167724A1 (de) * 1999-03-29 2002-01-02 Hitachi, Ltd. Elektronisch geregelte drosselklappe
JP2003074379A (ja) * 2001-08-31 2003-03-12 Honda Motor Co Ltd エンジンの吸気量制御装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 07 3 July 2003 (2003-07-03) *

Cited By (8)

* 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
WO2013060289A1 (zh) * 2011-10-26 2013-05-02 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
WO2014082775A1 (de) * 2012-11-28 2014-06-05 Robert Bosch Gmbh Motorsteuereinheit
CN106870168A (zh) * 2015-12-10 2017-06-20 光阳工业股份有限公司 引擎节流阀体结构
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
EP3498999A1 (de) * 2017-12-13 2019-06-19 Continental Automotive GmbH Ventil für ein abgassystem in einem kraftfahrzeug
WO2019115365A1 (de) * 2017-12-13 2019-06-20 Continental Automotive Gmbh Ventil
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

Also Published As

Publication number Publication date
DE602005005883D1 (de) 2008-05-21
EP1571313B1 (de) 2008-04-09
ITMI20040415A1 (it) 2004-06-04

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