EP0402521A1 - Dispositif de réglage de charge - Google Patents
Dispositif de réglage de charge Download PDFInfo
- Publication number
- EP0402521A1 EP0402521A1 EP89119153A EP89119153A EP0402521A1 EP 0402521 A1 EP0402521 A1 EP 0402521A1 EP 89119153 A EP89119153 A EP 89119153A EP 89119153 A EP89119153 A EP 89119153A EP 0402521 A1 EP0402521 A1 EP 0402521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- throttle valve
- shaft
- valve shaft
- load adjustment
- adjustment device
- 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
Images
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
- F02D2011/103—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 alternatively mechanically linked to the pedal or moved by an electric actuator
Definitions
- the invention relates to a load adjustment device with a throttle valve which determines the performance of an internal combustion engine and which is connected in a rotationally fixed manner to a throttle valve shaft mounted in a throttle valve housing, the throttle valve shaft having an accelerator pedal-side mechanical linkage side and an actuating linkage side which has a coupling element for mechanically decoupling the throttle valve shaft is assigned to the throttle valve in a defined angular range, and a device for reporting the respective position of the coupling element to an electronic control device is provided.
- the throttle valve is usually actuated on the accelerator pedal side via a driver connected to the articulation side of the throttle valve shaft, which is connected to the accelerator pedal, for example, by means of a Bowden cable.
- the throttle valve shaft is actuated by an electric servomotor assigned to the load adjustment device, which thus precedes the manual control by the driver. This results in the need to mechanically decouple the throttle valve from the electric servomotor for defined angular ranges. Due to this decoupling, it is necessary for the control quality of the load adjustment device to report the local position of the electric servomotor.
- the position is recorded by the Device for feedback, which is assigned to a control device, where, due to the design, in the sense of standardization, the actual part of the device for feedback that electrically detects the position of the servomotor is arranged on the accelerator pedal-side, mechanical linkage side of the load adjustment device.
- the throttle valve is designed as a tube and the device for reporting a push-through shaft which passes through the throttle valve shaft, a first transmission member which is connected in a rotationally fixed manner on the actuating linkage side to the push-through shaft and the coupling element and on which Acceleration pedal-side articulation side has a second transmission member, which is connected to the push-through shaft in a rotationally fixed manner and which interacts with an actual value detection device assigned to the control device.
- the position of the servomotor or of the coupling element is thus mechanically transmitted to the actual value detection device by means of the push-through shaft.
- the actual value detection device can have a potentiometer mounted in the throttle valve housing and a slider that cooperates with it and is connected to the second transmission element.
- the first and / or the second transmission element is advantageously designed as a lever.
- the throttle valve expediently has a semicircular profile in the region of the throttle valve shaft with the inner curvature corresponding to the outer curvature of the throttle valve shaft.
- Be Fixing elements in the plane of symmetry of the semicircular profile, the throttle valve with the throttle valve shaft.
- the fasteners can for example. be designed as screws that pass through the recesses in the throttle valve and are screwed into threaded bores of the throttle valve shaft.
- a cover plate which has a semicircular profile in the central region with an internal curvature corresponding to the outer curvature of the throttle valve shaft, the fastening means connecting the throttle valve and the cover plate to one another on both sides of the throttle valve shaft.
- Figure 1 illustrates the basic function of the load adjustment device, shown in a speed limit control / idle control actuator in the function of the idle control in the emergency position.
- the figure shows an accelerator pedal 1 with which a lever 2 can be displaced between an idle stop LL and a full load stop VL.
- the lever 2 can move a driver 4 between a further idle stop LL and a further full load stop VL via a throttle cable 3 in the direction of the associated full load stop VL and is biased in the idle direction by means of a return spring 5 acting on the throttle cable 3.
- Two return springs 6a and 6b acting on the driver 4 bias the latter in the idling direction, the springs 6a and 6b being designed such that they have redundant effects on the return drive.
- the driver 4 When the throttle cable 3 is not acted on, the driver 4 thus bears against the idling stop LL assigned to it.
- the driver 4 can also be moved by means of an automatic train 7 of an automatic transmission, not shown.
- the driver 4 interacts directly with a first control element part 8a, which serves to adjust the throttle valve 9 of an internal combustion engine.
- the end of the first control element part 8a facing the driver 4 is provided with a recess 10 which engages behind an extension 11 of the driver 4.
- the load adjustment device has a spring 12a which controls part 8a loaded in the idle direction.
- This fixed arrangement of the spring 12a results in a direct return of the throttle valve 9, the spring being effective over the entire adjustment range of the control element part 8a and thus the entire load range of the internal combustion engine, and thus the force of the springs 6a and 6b can be reduced.
- the load adjustment device has a second control element part 8b which can be connected to an electric motor 14 via a coupling 13.
- the second control element part 8b has an attachment 15, the first control element part 8a protruding on the side of the attachment 15 facing the maximum idling position into its actuating path and thus the actuating path of the second control element part 8b .
- a movement of the second control element part 8b in the full load direction thus leads to the attachment of the projection 15 on the first control element part 8a, which can then be displaced in the full load direction by means of the electric motor 14 against the force of the spring 12a.
- the load adjustment device is controlled by means of an electronic control device 17.
- the electronic control device 17 also detects signals emanating from an idle contact 19, which is activated whenever the driver 4 bears against the idle stop LL assigned to it.
- external state variables relating to the internal combustion engine or generally relating to the motor vehicle equipped with the latter are entered into and retrieved from the control electronics 17 and transferred from the control electronics to the electric motor 14 acting on the second control element part 8b.
- the electronic control device 17 thus serves in cooperation with the two actual value detection devices 18 and 18 'and the no-load contact 19 and the external reference variables the purpose of building a safety logic relating to the control of the first and second switching element parts 8a and 8b and driver 4. If the electronic control device 17 or the electric motor 14 does not function properly, a spring 20 which is biased in the direction of the maximum idle position causes the second control element part 8b to be brought into an idle emergency position LL Not .
- the load adjustment device is provided with a contact 27, which covers the entire idle control range of the second control element part 8b, with a switching point at LL max .
- a speed limit control in the partial load / full load range of the internal combustion engine is to be carried out via the electronic control device 17 and the electric motor 14, the second control element part 8b is coupled to the electric motor 14 via the coupling 13, a movement of the second control element part 8b towards full load initially leads to a corresponding one Movement of the first control element part 8a to a position LL max .
- the contact 27 switches and thus sends a signal to the electronic control device 17 that this detects in the sense of a speed limit control.
- the frame 28 makes it clear that the parts enclosed by it form a structural unit.
- Reference number 24 denotes a pedal contact switch.
- FIGS. 2 to 4 illustrate the structural design of the load adjustment device with the special detection of the position of the electric actuator by means of the actual value detection device 18 associated therewith.
- Shown is the throttle valve housing 30 with a throttle valve shaft 32 mounted in two bearings 31 of the throttle valve housing 30 this is, in a manner to be described in more detail, the one not shown in FIG. 1, since it is arranged perpendicular to the plane of the drawing Nete throttle valve connected.
- the reference numeral 33 denotes the mechanical linkage side on the accelerator pedal, that is to say the linkage side assigned to the driver 4, and the reference number 34 indicates the linkage side assigned to the servomotor, that is to say the electric motor 14.
- the driver 4 is connected in a rotationally fixed manner to a lever 36, which in the broadest sense forms part of the driver 4 and can be connected to the throttle cable 3.
- the mounting of the driver 4 is concentric with the mounting of the throttle valve shaft 32.
- the first control element part 8a which is likewise designed as a lever, is connected to this in a rotationally fixed manner and projects with an axial extension 37 into the movement path of the driver 4. In the sense of the freewheeling function in the idling range of driver 4 and first control element part 8a as shown in FIG.
- driver 4 has a radial projection 38 which interacts with axial extension 37 and which defines a defined freewheeling of driver 4 and first control element part 8a in a small angle of rotation range allowed.
- the position of the first control element part 8a or the throttle valve shaft 32 connected to it in a rotationally fixed manner detects the actual value detection device 18 ', which consists of a potentiometer 39 inserted into the throttle valve housing 30 and a grinder 40 connected to the throttle valve shaft 32 in a rotationally fixed manner.
- the throttle valve shaft 32 is driven via the electromotive articulation side 34, as can be seen from the illustration in FIG. 4, via a reduction gear. Shown is the electric motor 14 with pinion 41, which meshes with a large idler gear 42 and is rotatably connected concentrically to the axis of rotation with a further pinion 43, which meshes with another idler gear 44.
- the illustration in FIG. 2 shows that the intermediate gear 44 can be brought into the operative position with the throttle valve shaft 32 via a coupling element 45, FIG.
- FIG. 3 shows that a push-through shaft 48 is inserted through the tubular throttle valve shaft 32.
- the shaft end assigned to the articulation side 34 is connected in a rotationally fixed manner to a lever 49 formed from sheet metal, which is firmly connected to the outside of the coupling element 45.
- a rotary movement of the coupling element 45 thus leads to a corresponding rotary movement of the push-through shaft 48.
- the free end of the push-through shaft 48 associated therewith is non-rotatably connected to a further lever 50, which is provided with a radial projection 51.
- a further wiper 52 is connected to this, which interacts with a further potentiometer 53 arranged in the throttle valve housing 30, wiper 52 and potentiometer 53 form the actual value detection device 18 assigned to the push-through shaft 48.
- the push-through shaft 48 is furthermore connected in a rotationally fixed manner to a lever 54 which controls the Contact 27 takes up.
- FIGS. 5, 6a and 6b illustrate possible types of fastening of the throttle valve 55 to the throttle valve shaft 32.
- the throttle valve 55 has a semicircular profile in the region of the throttle valve shaft 32, with the inner curvature corresponding to the inner curvature of the throttle valve shaft 32.
- FIG. 6b furthermore illustrates the attachment of the throttle valve 55 to the throttle valve shaft 32 by means of an additional cover plate 56, which has a semicircular profile in the central region, with the inner curvature corresponding to the outer curvature of the throttle valve shaft 55.
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)
- Control Of Position Or Direction (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3919093 | 1989-06-10 | ||
DE3919093A DE3919093A1 (de) | 1989-06-10 | 1989-06-10 | Lastverstelleinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0402521A1 true EP0402521A1 (fr) | 1990-12-19 |
EP0402521B1 EP0402521B1 (fr) | 1994-01-19 |
Family
ID=6382560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89119153A Expired - Lifetime EP0402521B1 (fr) | 1989-06-10 | 1989-10-16 | Dispositif de réglage de charge |
Country Status (5)
Country | Link |
---|---|
US (1) | US5027766A (fr) |
EP (1) | EP0402521B1 (fr) |
JP (1) | JPH06102995B2 (fr) |
DE (2) | DE3919093A1 (fr) |
ES (1) | ES2049791T3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0494336A2 (fr) * | 1991-01-09 | 1992-07-15 | VDO Adolf Schindling AG | Dispositif de réglage de la charge pour un moteur à combustion interne avec papillon d'admission |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4022825A1 (de) * | 1989-08-22 | 1991-02-28 | Bosch Gmbh Robert | Einrichtung mit einem eine leistung einer antriebsmaschine bestimmenden drosselorgan |
DE3933446A1 (de) * | 1989-10-06 | 1991-04-18 | Vdo Schindling | Lastverstelleinrichtung |
DE4014508A1 (de) * | 1990-05-07 | 1991-11-14 | Vdo Schindling | Lastverstelleinrichtung |
DE4027269A1 (de) * | 1990-08-29 | 1992-03-05 | Vdo Schindling | Drosselklappenstutzen |
DE4033803A1 (de) * | 1990-10-24 | 1992-04-30 | Vdo Schindling | Arretierungsvorrichtung |
DE4124972A1 (de) * | 1991-07-27 | 1993-01-28 | Bosch Gmbh Robert | Lastverstelleinrichtung fuer eine antriebsmaschine |
US5301646A (en) * | 1991-12-27 | 1994-04-12 | Aisin Seiki Kabushiki Kaisha | Throttle control apparatus |
JPH0650201A (ja) * | 1992-04-30 | 1994-02-22 | Nippondenso Co Ltd | スロットル弁の駆動装置 |
DE19740204B4 (de) * | 1996-09-12 | 2005-07-14 | Hitachi, Ltd. | Drosselvorrichtung für Verbrennungsmotoren |
DE10026410A1 (de) * | 2000-05-29 | 2001-12-06 | Pierburg Ag | Potentiometeranordnung für eine Brennkraftmaschine |
DE102006044855A1 (de) * | 2006-09-22 | 2008-04-10 | Siemens Ag Österreich | Vorrichtung zur Drehwinkelerfassung für eine elektromotorisch betriebene Drosselklappe |
EP2321517B1 (fr) * | 2008-07-10 | 2015-09-02 | Actuant Corporation | Soupape papillon de recirculation de gaz d'échappement |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0269780A1 (fr) * | 1986-12-03 | 1988-06-08 | VDO Adolf Schindling AG | Dispositif de transmission de la position d'un élément de commande actionnable par le conducteur d'un véhicule |
US4765933A (en) * | 1986-07-24 | 1988-08-23 | Kioritz Corporation | Carburetor |
EP0337099A2 (fr) * | 1988-04-09 | 1989-10-18 | Robert Bosch Gmbh | Dispositif de commande d'un moteur à combustion interne dans des véhicules |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3641244C3 (de) * | 1986-12-03 | 1995-02-23 | Vdo Schindling | Anordnung für ein Kraftfahrzeug |
DE3815734A1 (de) * | 1987-07-23 | 1989-02-02 | Vdo Schindling | Lastverstelleinrichtung |
US4827884A (en) * | 1987-10-02 | 1989-05-09 | Bendix Electronics Limited | Throttle assembly |
US4850322A (en) * | 1988-03-31 | 1989-07-25 | Eaton Corporation | Method and apparatus for positioning a torque motor armature |
-
1989
- 1989-06-10 DE DE3919093A patent/DE3919093A1/de not_active Withdrawn
- 1989-10-16 EP EP89119153A patent/EP0402521B1/fr not_active Expired - Lifetime
- 1989-10-16 DE DE89119153T patent/DE58906778D1/de not_active Expired - Fee Related
- 1989-10-16 ES ES89119153T patent/ES2049791T3/es not_active Expired - Lifetime
-
1990
- 1990-05-31 US US07/531,015 patent/US5027766A/en not_active Expired - Fee Related
- 1990-06-08 JP JP2148861A patent/JPH06102995B2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765933A (en) * | 1986-07-24 | 1988-08-23 | Kioritz Corporation | Carburetor |
EP0269780A1 (fr) * | 1986-12-03 | 1988-06-08 | VDO Adolf Schindling AG | Dispositif de transmission de la position d'un élément de commande actionnable par le conducteur d'un véhicule |
EP0337099A2 (fr) * | 1988-04-09 | 1989-10-18 | Robert Bosch Gmbh | Dispositif de commande d'un moteur à combustion interne dans des véhicules |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0494336A2 (fr) * | 1991-01-09 | 1992-07-15 | VDO Adolf Schindling AG | Dispositif de réglage de la charge pour un moteur à combustion interne avec papillon d'admission |
EP0494336B1 (fr) * | 1991-01-09 | 1997-04-16 | VDO Adolf Schindling AG | Dispositif de réglage de la charge pour un moteur à combustion interne avec papillon d'admission |
Also Published As
Publication number | Publication date |
---|---|
JPH06102995B2 (ja) | 1994-12-14 |
EP0402521B1 (fr) | 1994-01-19 |
DE3919093A1 (de) | 1990-12-13 |
ES2049791T3 (es) | 1994-05-01 |
DE58906778D1 (de) | 1994-03-03 |
JPH0331530A (ja) | 1991-02-12 |
US5027766A (en) | 1991-07-02 |
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