EP0989293A2 - Dispositif de commande de charge - Google Patents
Dispositif de commande de charge Download PDFInfo
- Publication number
- EP0989293A2 EP0989293A2 EP99118628A EP99118628A EP0989293A2 EP 0989293 A2 EP0989293 A2 EP 0989293A2 EP 99118628 A EP99118628 A EP 99118628A EP 99118628 A EP99118628 A EP 99118628A EP 0989293 A2 EP0989293 A2 EP 0989293A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- emergency running
- return spring
- shaft
- load
- 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
- F02D11/107—Safety-related aspects
Definitions
- the invention relates to a load adjustment device for the performance of a Internal combustion engine determining, in particular designed as a throttle valve, actuator arranged on an actuating shaft, the actuating shaft via a non-rotatable actuator connected to it by means of a reversible Actuator between a minimum load position and a full load position is pivotally drivable, with a biased return spring, which Actuating shaft loaded in the minimum load direction, and an emergency running spring which moves the control shaft in full load direction up to an emergency running position is.
- Such a load adjustment device is, for example, from EP 0 378 737 B1 known.
- This load adjustment device has to drive the actuating gear an accelerator cable attached to an accelerator pedal and an electric motor.
- the throttle cable pivots a first control element part connected to the actuating shaft, while the electric motor one with the first control element part coupled second control element part pivoted.
- the dimensions of the Control element parts form the transmission ratio of the actuating gear.
- the return spring moves the first control element part to the minimum load position, while the emergency running spring is arranged on the second control element part and the control shaft in the emergency running position when the electric motor is de-energized preloaded.
- the return spring and the emergency spring are here as tension or Designed compression springs.
- the emergency running position enables the motor vehicle drive out of a danger area when the load adjustment device due to a failure of the control electronics or the actuator can be adjusted by pressing the accelerator pedal.
- the internal combustion engine has a sufficiently large torque to to move the motor vehicle at low speed.
- a disadvantage of the known load adjustment device is that it is very requires large installation space. In particular by attacking the return spring and the run-flat spring on the control element parts are designed in radial direction of the control shaft very wide.
- the invention is based on the problem of a load adjustment device type mentioned so that they are particularly inexpensive is to be assembled and requires particularly small radial dimensions.
- the actuator does not need any vacancies for the Attack points of the two springs.
- the actuator can be particularly make compact.
- the design of the emergency running spring and the return spring each as torsion springs also leads to a reduction in Dimensions of the load adjustment device according to the invention in radial Direction of the control shaft.
- the separation of the two springs from the actuator also leads to a particularly simple assembly of the invention Load adjustment device.
- the type of actuator drive is irrelevant here.
- the actuating gear can, for example, also exclusively are driven by an electric motor.
- the emergency running spring and the return spring could, for example, each as Spiral spring can be designed.
- the emergency running spring and the return spring could, for example, each as Spiral spring can be designed.
- Load adjustment device carries an adjusting lever for the transmission of forces the return spring and the emergency running spring on the adjusting shaft.
- the control lever can be positively connected to the actuating shaft, so that it at assembly can simply be plugged onto it.
- a second control element part as in the known load adjustment device can be according to another advantageous development of the invention Simply avoid it if the emergency running spring is in the emergency running position on a housing-fixed Stop and is at an angle of the control lever.
- a release of the return spring from the steep lever can be according to another simply avoid advantageous development of the invention if a Leg of the return spring is positively connected to the steep lever. This reliably prevents the drive from failing of the actuator, the actuator shaft remains in the full load position.
- the load adjustment device requires particularly little Actuating forces when the actuating lever is in an emergency position from the return spring has a bend biased against one leg of the emergency running spring. Because the return spring and the emergency spring for counter-tensioning the actuating shaft are arranged, is thereby between the emergency running position and the full load only the return spring in engagement with the Control lever. Act between the emergency running position and the minimum load position the two springs opposed, so that here, too, particularly small Actuating forces for pivoting the actuating shaft are required.
- Load adjustment device in the radial direction of the control shaft contributes if the emergency running spring and the return spring concentrically around a storage of the Control shaft are arranged.
- Contamination of the end of the actuating shaft facing the springs can easy according to another advantageous development of the invention avoid if the emergency running spring and the return spring are in one of one Lid lockable shaft-like housing are arranged.
- the emergency running spring could be arranged on the steep lever so that it when the control shaft is pivoted from the emergency running position in the direction the minimum load position is tensioned more than the return spring.
- FIG. 1 shows a throttle valve connector 1 with an inventive one Load adjustment device 2 in longitudinal section.
- a control shaft 4 penetrating a channel 3 is pivotably mounted.
- On the control shaft 4 is a for controlling a free cross-sectional area of the Channel serving throttle valve 5 attached.
- the control shaft 4 is one arranged in a pot-shaped housing 6 of the throttle valve connector 1 Actuator 7 pivoted.
- Control electronics 8 for controlling an electric motor shown in Figure 2 9 arranged. With the electric motor 9, the actuator 7 can be drive and thus pivot the control shaft 4. Alternatively, it can Actuator 7 of course also in addition to the electric motor 9 or instead of being adjusted by a throttle cable, not shown.
- the throttle valve connector 1 has two bearings 10 for the actuating shaft 4, 11 on. At the opposite end of the actuating gear 7 of the actuating shaft 4, an adjusting lever 12 is attached. To the storage 11 of this end of the Actuating shaft 4, an emergency running spring 13 and a return spring 14 are concentric arranged. The return spring 14 and the emergency running spring 13 are each designed as leg springs and arranged in a shaft-like housing 15. The housing 15 is closed by a cover 16.
- FIG. 2 shows the throttle valve connector 1 from FIG. 1 in a sectional illustration along the line II - II.
- the adjusting lever 12 is made as a sheet metal part and has bends 17, 18.
- Each a leg 19, 20 of the emergency spring 13 and the return spring 14 are in the throttle body 1 attached.
- One of the bends 18 is from behind a leg 21 of the return spring 14.
- the other angle 17 rests on a second leg 22 of the emergency running spring 13.
- the return spring 14 counteracts the actuating shaft 4 pivoted clockwise, while the emergency running spring 13 only in Clockwise acting forces can exert on the control shaft 4.
- the Emergency running spring 13 Since the Emergency running spring 13 has a larger spring constant than the return spring 14, can the control shaft 4 of the return spring 14 only up to the drawn Be pivoted position in which one of the bends 17 of the control lever 12 rests on the emergency running spring 13. In this position, the control shaft 4 the second leg 22 of the emergency running spring 13 is also at a stop 23 of the throttle valve connector 1, so that the actuating shaft 4 by the emergency running spring 13 cannot be adjusted further clockwise.
- This position indicates the emergency running position of the load adjustment device 2, the is inevitably achieved when no actuating forces above that shown in Figure 1 Actuate actuator 7 on the actuating shaft 4. A deflection of the Actuator shaft 4 from the drawn emergency position is therefore only about Actuator 7 shown in Figure 1 possible.
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843769A DE19843769A1 (de) | 1998-09-24 | 1998-09-24 | Lastverstellvorrichtung |
DE19843769 | 1998-09-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0989293A2 true EP0989293A2 (fr) | 2000-03-29 |
EP0989293A3 EP0989293A3 (fr) | 2000-11-08 |
EP0989293B1 EP0989293B1 (fr) | 2004-07-21 |
Family
ID=7882062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99118628A Expired - Lifetime EP0989293B1 (fr) | 1998-09-24 | 1999-09-21 | Dispositif de commande de charge |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0989293B1 (fr) |
KR (1) | KR20000023458A (fr) |
BR (1) | BR9904314A (fr) |
DE (2) | DE19843769A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7185629B2 (en) | 1999-03-29 | 2007-03-06 | Hitachi, Ltd. | Motor driving type throttle apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10042577A1 (de) * | 2000-08-30 | 2002-03-14 | Siemens Ag | Drosseleinrichtung mit Notlufteinrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4207096A1 (de) * | 1992-03-06 | 1993-09-09 | Pierburg Gmbh | Stellvorrichtung fuer eine drosselklappe einer brennkraftmaschine |
EP0641922A2 (fr) * | 1993-09-07 | 1995-03-08 | Pierburg Gmbh | Dispositif d'étranglement à soupape pour moteur à combustion interne |
EP0651147A1 (fr) * | 1993-10-30 | 1995-05-03 | Pierburg Gmbh | Corps de papillon |
US5735243A (en) * | 1996-06-17 | 1998-04-07 | Aisan Kogyo Kabushiki Kaisha | Controller for preventing throttle valve from locking at its fully closed position |
US5778853A (en) * | 1995-12-28 | 1998-07-14 | Hadsys, Inc. | Throttle valve control device |
-
1998
- 1998-09-24 DE DE19843769A patent/DE19843769A1/de not_active Withdrawn
-
1999
- 1999-09-21 EP EP99118628A patent/EP0989293B1/fr not_active Expired - Lifetime
- 1999-09-21 DE DE59909996T patent/DE59909996D1/de not_active Expired - Lifetime
- 1999-09-24 BR BR9904314-9A patent/BR9904314A/pt not_active IP Right Cessation
- 1999-09-27 KR KR1019990041280A patent/KR20000023458A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4207096A1 (de) * | 1992-03-06 | 1993-09-09 | Pierburg Gmbh | Stellvorrichtung fuer eine drosselklappe einer brennkraftmaschine |
EP0641922A2 (fr) * | 1993-09-07 | 1995-03-08 | Pierburg Gmbh | Dispositif d'étranglement à soupape pour moteur à combustion interne |
EP0651147A1 (fr) * | 1993-10-30 | 1995-05-03 | Pierburg Gmbh | Corps de papillon |
US5778853A (en) * | 1995-12-28 | 1998-07-14 | Hadsys, Inc. | Throttle valve control device |
US5735243A (en) * | 1996-06-17 | 1998-04-07 | Aisan Kogyo Kabushiki Kaisha | Controller for preventing throttle valve from locking at its fully closed position |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7185629B2 (en) | 1999-03-29 | 2007-03-06 | Hitachi, Ltd. | Motor driving type throttle apparatus |
US7284535B2 (en) | 1999-03-29 | 2007-10-23 | Hitachi, Ltd. | Motor driving type throttle apparatus |
US7458360B2 (en) | 1999-03-29 | 2008-12-02 | Hitachi, Ltd. | Motor driving type throttle apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP0989293B1 (fr) | 2004-07-21 |
DE59909996D1 (de) | 2004-08-26 |
DE19843769A1 (de) | 2000-03-30 |
KR20000023458A (ko) | 2000-04-25 |
EP0989293A3 (fr) | 2000-11-08 |
BR9904314A (pt) | 2000-09-26 |
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