EP2279338A1 - Stelleinrichtung - Google Patents
StelleinrichtungInfo
- Publication number
- EP2279338A1 EP2279338A1 EP09749679A EP09749679A EP2279338A1 EP 2279338 A1 EP2279338 A1 EP 2279338A1 EP 09749679 A EP09749679 A EP 09749679A EP 09749679 A EP09749679 A EP 09749679A EP 2279338 A1 EP2279338 A1 EP 2279338A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- throttle body
- actuator
- throttle
- drive
- unit
- 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
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 44
- 238000010168 coupling process Methods 0.000 claims description 44
- 238000005859 coupling reaction Methods 0.000 claims description 44
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000004905 short-term response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
-
- 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
- F02D9/08—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
Definitions
- the invention relates to a device for controlling an internal combustion engine or a method for producing such a device.
- the documents DE 195 40 323 Al and WO 97/16638 show a throttle body with a built-in throttle body throttle, a throttle shaft, an electric actuator and gears of a transmission for transmitting an actuating movement between the electric actuator and the throttle shaft.
- a cover protects the gearbox against environmental influences.
- On the lid and a slider of the rotational movement of the throttle shaft sensing sensor is rotatably mounted.
- JP 2003 106 175 A show a throttle device in which the throttle body consists of two housing halves.
- the axis of rotation of the throttle shaft lies in the parting plane between the two housing halves.
- the parting plane is chosen so that the throttle shaft and the wheels of the gearbox can be inserted into the lower half of the housing.
- the electric actuator is inserted in the axial direction in a recording.
- 6,886,806 B2 show a throttle valve adjusting unit with a throttle body containing a pivotable throttle valve and a drive space for receiving an electrical drive for the throttle valve and an electrical connector for a plug connection to a control unit ,
- the drive space is enclosed by a housing module and the throttle body is attached as a separate part of the housing module and attached thereto.
- the device according to the invention and the method according to the invention for producing an adjusting device have the advantage that the throttle-body-side setting unit and the drive unit can be manufactured completely independently of each other. Both units can be completely manufactured at different locations and in different production facilities and the respective different functions of the throttle body side actuator unit and the drive unit can be checked independently of each other. For this test, the actuator unit and the drive unit need not be assembled.
- Another advantage is that, for example, if a customer wants to have a different diameter at the throttle body, only the throttle body side actuator unit must be changed, the drive unit can be left unchanged. This allows a very flexible, short-term response to special customer requests.
- the proposed adjusting device has, for example, the particular advantage that when assembling the two units no gear must be mounted on a shaft.
- throttle body side actuator unit and the drive unit can be manufactured, distributed and traded independently of each other.
- separate, independent functional tests of the throttle body side actuator unit and the drive unit are possible.
- the throttle body side gear is a gear or gear segment and the drive side gear is a gear or gear pinion, this has the advantage that when assembling the throttle body side actuator unit with the drive unit a simple completion of the transmission between the actuator and the bearing element or the throttle shaft is possible.
- the drive unit consists of a gear housing which comprises a first housing part and at least one second housing part, this has the advantage that the components to be installed in the drive unit can be installed very simply, for example in the first housing part, and by attaching the second housing part a very easy completion of the drive unit is possible.
- throttle body-side actuator unit associated suspension which resets the throttle body in a basic position
- the throttle body-side actuator unit includes all the essential components that are relevant to the function, the mobility and the behavior of the actuator unit.
- the relevant relationship between throttle angle and air flow rate can advantageously be checked very easily without the drive unit having to be mounted for this purpose.
- the adjusting device is designed such that the assembling of the throttle body-side setting unit with the drive unit can take place by a simple relative movement in the longitudinal direction to the axis of rotation of the throttle valve shaft, this offers a very advantageous possibility for a simple assembly of the drive unit to the throttle body-side setting unit.
- the holding means advantageously provide a firm, permanent connection of the drive unit with the throttle body-side setting unit of the adjusting device.
- the second throttle-body-side coupling means of the throttle body-side setting unit and the second drive-side coupling means of the drive unit ensure that even with different and with strong changes in length Nevertheless, a stable adjusting device can be ensured with temperature changes or at different temperatures of the various components.
- FIG. 1 shows an oblique view of the adjusting device
- Figure 2 is an oblique view of the actuator at by the throttle body side
- Figure 3 is an oblique view of the drive unit
- Figure 4 is an oblique view of the throttle body-side setting unit
- Figure 5 is an oblique view of a modified embodiment of the adjusting device
- FIG. 6 is an oblique view of the modified embodiment in the case of the drive unit pulled away from the throttle body-side setting unit.
- the adjusting device designed according to the invention can be used in any internal combustion engine in which the power of the internal combustion engine is to be influenced by means of the adjusting device.
- the air supplied to the internal combustion engine can be controlled.
- the air supplied to the internal combustion engine can be controlled.
- Adjustment usually a throttle body with an adjustable throttle.
- the adjusting device can also be used for example for controlling exhaust gas and / or a side air duct.
- the adjusting device 2 is a Throttle body 2a
- the adjustably mounted throttle body 4 is a throttle valve 4a.
- Essential components of the adjusting device 2 are a throttle body-side actuator unit 6 and a drive-side drive unit 8.
- the throttle body-side actuator unit 6 and the drive unit 8 can be manufactured at different locations. Subsequently, the throttle body-side actuator unit 6 and the drive unit 8 are assembled. Assembled, the two units 6 and 8 form the adjusting device 2, as shown in FIG.
- the throttle-body-side actuator unit 6 and the drive unit 8 can be manufactured, tested, distributed and traded independently of each other.
- the coupling region 10 is formed by a throttle body-side coupling means 10a formed on the throttle body-side setting unit 6 and a drive-side coupling means 10b formed on the drive unit 8.
- the throttle body-side actuator unit 6 comprises a throttle housing 12 with a pivotally mounted in the throttle housing 12 bearing element 14.
- the bearing element 14 may also be referred to as throttle shaft 14a.
- the throttle shaft 14a leads transversely through the gas channel 15.
- the bearing element 14 or the throttle valve shaft 14a has an axis of rotation 14c. Depending on the pivot position of the bearing element 14 or the throttle valve shaft 14a about the axis of rotation 14c of the gas channel 15 is more or less open.
- the drive unit 8 comprises a gear housing 16.
- the gear housing 16 consists of a first housing part 16a, a second housing part 16b and a third housing part 16c.
- the first housing part 16a may also be referred to as the lower housing part.
- the second housing part 16b may be referred to as the upper housing part and the third housing part 16c as the connecting part.
- On the third housing part 16 c it has several designed in the form of connector pins 18 electrical contacts.
- the third housing part 16 c with the connector pins 18 is shaped so that the adjusting device 2 a not shown electrical plug can be plugged for connecting the actuator 2 with an external electrical device, such as an electric engine control unit.
- the third housing part 16 c is inserted into a recess provided in the second housing part 16 b and closes this recess.
- the second coupling region 20 comprises a second throttle-body-side coupling means 20a associated with the throttle body-side actuator unit 6 and a second drive-side coupling means 20b associated with the drive unit 8.
- FIG. 2 shows the throttle body-side setting unit 6 and the drive unit 8 shortly before these two units 6 and 8 are assembled to form the setting device 2.
- 2 shows the two units 6 and 8 in the correct position relative to each other, in which the further assembly by axial displacement of the throttle body side actuator unit 6 takes place relative to the drive unit 8 in the direction of the axis of rotation 14c.
- FIG. 3 shows an oblique view of the drive unit 8 before the drive unit 8 is connected to the throttle body-side setting unit 6.
- FIG. 4 shows the throttle body-side setting unit 6 of the setting device 2 without the drive unit 8.
- the throttle housing 12 of the actuator unit 6 is preferably made of metal.
- the gear housing 16 with the housing parts 16a, 16b, 16c of the drive unit 8 is preferably made of plastic.
- an electric actuator 22 which is supplied and controlled via the connector pins 18 with electrical energy. Because the actuator 22 is not visible within the transmission housing 16 in the drawings, a dashed reference mark is used in the drawings at 22.
- the gear housing 16 has a relatively large opening 24. In the opening 24, a part of the throttle body-side actuator unit 6 are inserted.
- the transmission 26 has a throttle body side gear 26a (FIG. 4) and a drive side gear 26b (FIG. 3).
- the throttle-side gear 26a is a component of the actuator unit 6 and the drive-side gear 26b is part of the drive unit 8.
- the throttle body side gear 26a sits on the throttle shaft 14a, is fixedly connected to the throttle shaft 14a and the bearing member 14 and thus the throttle body-side actuator unit. 6 permanently assigned.
- the throttle shaft 14a is also surrounded by a spring 28.
- the suspension 28 consists of several springs.
- a portion of the respective spring ends of the suspension 28 is supported on the throttle body side gear 26a and on the throttle shaft 14a and on the bearing element 14, and a part of the spring ends of the springs the suspension 28 is supported on the throttle housing 12 of the throttle body-side actuator unit 6.
- the spring ends of the springs of the suspension 28 act on the throttle body side gear 26a and on the bearing element 14 and the throttle valve 4a, that without an action by the actuator 22 of the throttle body 4 and the throttle valve 4a is in a basic position and is held in which the gas channel 15 is almost, but not completely, closed.
- the electric actuator 22 via the gear 26, the throttle valve 4a in the opening direction, as well as in the closing direction against the suspension 28 actuate.
- the transmission 26 serves to transmit torques between the actuator 22 and the throttle valve 4a.
- the drive-side gear 26b of the transmission 26 is a gear or a gear pinion.
- the throttle body side gear 26a is a gear. Because the throttle valve 4a is usually intended to be pivotable through 90 °, a segmented engagement arc which has teeth extending approximately over an angle of 90 ° to 120 ° is sufficient for the throttle body-side gear 26a.
- the drive-side gear 26b of the drive unit 8 is engaged with the throttle body-side gear 26a.
- the suspension 28 associated with the throttle body-side actuator unit 6 holds the throttle body-side gear 26a in the basic position during assembly, so that correct installation of the throttle body-side gear 26a in the drive unit 8 is ensured.
- a positionally correct positioning of the actuator unit 6 relative to the drive unit 8 can be ensured in a simple manner by means of mutually engaging guide surfaces provided in the coupling region 10 on the throttle body 12 and on the transmission housing 16.
- the throttle body-side actuator unit 6 and the drive unit 8 can be simply plugged together by simple linear movement in the direction of the axis of rotation 14c of the throttle valve shaft 14a or to the rotational axis 14c of the bearing element 14 and then held together in the coupling region 10.
- the throttle body-side actuator unit 6 essentially contains the throttle-body-side gearwheel 26a and preferably at least part of the suspension 28 within the housing 24a of the drive unit 8 formed by the gearbox housing 16.
- Throttle body 12 integrally formed circumferential flange distributes a plurality of radial projections 10a '.
- the projections 10a ' are provided so that the throttle body-side actuator unit 6 can first be added to the drive unit 8 in the direction of the rotational axis 14c of the throttle valve shaft 14a.
- the retaining fingers 10b 'of the drive unit 8 engage behind the projections 10a' of the throttle body-side actuator unit 6.
- the adjusting device 2 can also be modified such that the holding fingers 10b 'are located on the throttle body-side setting unit 6 and the projections 10a' on the drive unit 8. This modification is easily possible without the need for an extra drawing.
- interposed mass 10d ensures that no foreign matter, such as water, can get into the interior of the adjusting device 2.
- the interposed mass 10d can also provide for a force transmission between the throttle body-side actuator unit 6 and the drive unit 8. In this case, the holding fingers 10b 'and the projections 10a' can be dispensed with.
- the interposed mass 10d is an adhesive or pasty attachable, after attaching solidifying plastic compound and may also be referred to as a sealant and / or as an adhesive. Because the interposed If the mass 10d is located between the components, the mass 10d is not visible in the drawings and therefore the mass 10d is indicated in the drawings by a dashed line in the reference numerals (FIGS. 1 and 5).
- the second throttle body side coupling means 20a engages with the second drive side coupling means 20b.
- a fastener 20c in the form of a screw, holds the second throttle body side coupling means 20a and the second driving side coupling means 20b together.
- the second coupling region 20 is provided on the transmission housing 16 on the side of the actuator 22 facing away from the first coupling region 10. This ensures that even a strong vibration stress of the actuator 2 and large torques within the gear housing 16 within the actuator 2 are collected safely and fatigue.
- Figures 5 and 6 show another, preferably selected, particularly advantageous embodiment of the actuating device 2.
- Figure 5 shows an oblique view of an underside of another embodiment and
- Figure 6 shows the second embodiment, when the throttle body-side actuator unit 6 spaced from the drive unit 8 is.
- the throttle body-side coupling means 10a After mounting the throttle body-side actuator unit 6 in the direction parallel to the axis of rotation 14c against the drive unit 8, the throttle body-side coupling means 10a abut on the drive-side coupling means 10b in the coupling region 10.
- the coupling means 10a and 10b are each projecting flange.
- clamp-like resilient fasteners 10c engage around the flange coupling means 10a and 10b, so that they are clamped together.
- the clip-like fastening elements 10c of the coupling region 10 ensure a secure and permanent attachment connection between the throttle body side assembly unit 6 and the drive unit 8.
- the clamp-like fastening elements 10c are attached to the flange-like coupling means 10a and 10b embracing it. Also in the embodiment according to FIGS. 4 and 5, the interposed mass 10d is provided in the coupling region 10.
- the holding fingers 10b 'and the projections 10a' and / or the interposed mass 10d serve as holding means 30 for holding the throttle body-side setting unit 6 and the drive unit 8.
- the clip-like fastening elements 10c and / or the interposed mass 10d as a holding means 30 for holding the actuator unit 6 and the drive unit 8 are provided.
- the second drive-side coupling means 20b has a depression 20b 'in the second coupling region 20.
- the throttle body side coupling means 20a of the second coupling portion 20 has a finger-like projection 20a '.
- the second coupling region 20 is designed so that the two units 6 and 8 are also connected to each other in the second coupling region 20 by simple axial displacement of the throttle body-side actuator unit 6 relative to the drive unit 8 in the direction of the axis of rotation 14c so that even greater vibrational stresses of the actuator 2 and Even larger torques within the actuator 2 safely collected and excessive deformation of the gear housing 16 can be avoided.
- the adjusting device 2 can also be modified so that the finger-like projection 20a 'on the drive unit 8 and the recess 20b' are located on the throttle body 12. This modification is easily possible without the need for an extra drawing.
- the adjusting device 2 in which first the throttle body 12, the pivotally mounted bearing element 14, the throttle body 4 and the throttle body-side gear 26a integral with the bearing element 14 comprehensive throttle body-side actuator unit 6 are assembled.
- the actuator unit 22 and the drive-side gear wheel 26b comprehensive drive unit 8 is made regardless of the throttle body-side actuator unit 6.
- the actuator unit 6 and the drive unit 8 can be completely manufactured and tested at different locations and in different production facilities. Subsequently, the drive unit 8 and the throttle body-side actuator unit 6 can be assembled to the actuator 2.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008001920A DE102008001920A1 (de) | 2008-05-21 | 2008-05-21 | Stelleinrichtung |
| PCT/EP2009/053501 WO2009141189A1 (de) | 2008-05-21 | 2009-03-25 | Stelleinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2279338A1 true EP2279338A1 (de) | 2011-02-02 |
| EP2279338B1 EP2279338B1 (de) | 2017-08-16 |
Family
ID=40756873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09749679.8A Not-in-force EP2279338B1 (de) | 2008-05-21 | 2009-03-25 | Stelleinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2279338B1 (de) |
| DE (1) | DE102008001920A1 (de) |
| WO (1) | WO2009141189A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011085048A1 (de) | 2011-10-21 | 2013-04-25 | Robert Bosch Gmbh | Drosselvorrichtung |
| DE102017127740A1 (de) * | 2017-11-23 | 2019-05-23 | Eberspächer Exhaust Technology GmbH & Co. KG | Stellklappe |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19525510B4 (de) | 1995-07-13 | 2008-05-08 | Robert Bosch Gmbh | Drosselklappenstelleinheit |
| DE19540323B4 (de) | 1995-10-28 | 2008-06-05 | Robert Bosch Gmbh | Drosselklappenstutzen |
| US6557523B1 (en) * | 2000-07-05 | 2003-05-06 | Visteon Global Technologies, Inc. | Electronic throttle body with insert molded actuator motor |
| DE10048937A1 (de) | 2000-10-04 | 2002-04-11 | Bosch Gmbh Robert | Drosselklappenstelleinheit |
| DE10138060A1 (de) | 2001-08-03 | 2003-02-20 | Bosch Gmbh Robert | Drosselvorrichtung mit Antriebsaufnahme und Antriebskontaktierung |
| ITBO20020358A1 (it) * | 2002-06-07 | 2003-12-09 | Magneti Marelli Powertrain Spa | Valvola a farfalla per un motore a combustione interna con dissipatore di cariche elettrostatiche e relativo attuatore |
| DE10341396B3 (de) * | 2003-09-05 | 2004-12-16 | Pierburg Gmbh | Klappenstellvorrichtung |
| JP4104594B2 (ja) | 2004-12-22 | 2008-06-18 | 株式会社ケーヒン | エンジン用吸気制御装置 |
-
2008
- 2008-05-21 DE DE102008001920A patent/DE102008001920A1/de not_active Ceased
-
2009
- 2009-03-25 EP EP09749679.8A patent/EP2279338B1/de not_active Not-in-force
- 2009-03-25 WO PCT/EP2009/053501 patent/WO2009141189A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009141189A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008001920A1 (de) | 2009-11-26 |
| EP2279338B1 (de) | 2017-08-16 |
| WO2009141189A1 (de) | 2009-11-26 |
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