EP0444239A2 - Corps de papillon - Google Patents
Corps de papillon Download PDFInfo
- Publication number
- EP0444239A2 EP0444239A2 EP90117606A EP90117606A EP0444239A2 EP 0444239 A2 EP0444239 A2 EP 0444239A2 EP 90117606 A EP90117606 A EP 90117606A EP 90117606 A EP90117606 A EP 90117606A EP 0444239 A2 EP0444239 A2 EP 0444239A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- throttle valve
- bearing
- shaft
- actuating
- valve shaft
- 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
- F02D11/106—Detection of demand or actuation
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- 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
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- 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
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- 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 throttle valve connector with a flange mounted on one side of the setpoint generator, which has a control shaft connected to a control lever and supported by two bearings.
- Such throttle valve bodies are present in motor vehicles in which the throttle valve is designed to be motor-adjustable, for example for speed control or idling control.
- the throttle valve shaft In the case of throttle valve bodies of this type, the throttle valve shaft must not be connected to the actuating shaft in a rotationally fixed manner, so that the setpoint of the setpoint generator cannot be adjusted by the movements of the throttle valve shaft. If the control shaft and the throttle valve were connected to one another in a rotationally fixed manner, a throttle valve traveling in the open direction due to a fault would inevitably set the setpoint higher and the throttle valve would open completely.
- the invention has for its object to design a throttle valve assembly of the type mentioned in such a way that it is as compact as possible, but coupling of the actuating shaft to the throttle valve shaft can be avoided.
- the positioning shaft can be dispensed with on the side of the throttle valve shaft, since it is held on one side by the throttle valve shaft.
- twisting of the actuating shaft by the throttle valve shaft is excluded, since the actuating shaft is rotatably mounted in the throttle valve shaft. Thanks to the invention, the size of the throttle valve body can be reduced without this resulting in safety-related disadvantages.
- a particularly high level of security against the throttle valve being raised due to an error can be achieved if the mounting of the actuating shaft in or on the throttle valve shaft has two pairs of bearing surfaces which can be rotated relative to one another. Such storage is redundant. If two associated bearing surfaces are blocked, the other two bearing surfaces of the other pair of bearing surfaces can rotate relative to one another, so that the rotatable bearing is retained.
- the throttle valve assembly is particularly simple in construction if, according to an advantageous embodiment of the invention, the actuating shaft rotatably engages with a bearing pin in a bearing bush, which in turn is arranged rotatably in a bearing bore of the throttle valve shaft.
- Alignment errors between the actuating shaft and the throttle valve shaft can be compensated for by the fact that the bearing journal is spherical.
- the overall manufacturing costs are particularly low if the bearing bush consists of a bearing metal. This makes it possible to achieve very good frictional relationships between the bearing journal and the bearing bush on the one hand and on the other hand between the bearing bush and the wall of the bearing bore.
- the bearing bush can also be spherical on the outside.
- a further embodiment of the invention which also has two pairs of bearing surfaces which can be rotated independently of one another, consists in that in the mutually facing end surfaces of the throttle valve shaft and the actuating shaft one bearing bore is provided in alignment with one another and that a bearing pin rotatably engages in both bearing bores.
- the actuating shaft is held reliably without minor misalignments having a disruptive effect if, according to another development of the invention, the bearing pin is supported in a bearing bore with a spherical bearing journal and in the other bearing bore with a cylindrical bearing journal.
- FIG. 1 partially shows a throttle valve connector 1, to which a setpoint generator 2 is flanged.
- a throttle valve shaft 3 is rotatably mounted, which holds a throttle valve 4.
- an actuating shaft 5 is arranged in the setpoint generator 2, which is connected in a rotationally fixed manner to an actuating lever 6, with which the setpoint generator 2 is adjusted in order to specify a desired setpoint.
- a servomotor which is arranged on the side of the throttle valve assembly 1 opposite the setpoint generator 2 and which adjusts the throttle valve shaft 3 in accordance with the specifications of the setpoint generator 2.
- the control shaft 5 is mounted on the side facing away from the throttle valve shaft 3 in the usual way by means of a roller bearing 7 in the housing 8 of the setpoint generator 2.
- the actuating shaft 5 engages with a bearing pin 9 in a bearing bore 10, which leads into the throttle valve shaft 3 from the front side.
- the tolerances of the components in the connection area between the throttle valve shaft 3 and the actuating shaft 5 are such that the journal 9 rotates in the bearing bush 11 when there is a relative movement between the actuating shaft 5 and the throttle valve shaft 3. However, should seizing occur in this area, then the bearing bush 11 can rotate with the bearing pin 9 in the bearing bore 10.
- the journal 9 of the adjusting shaft 5 has a spherical surface to compensate for misalignments.
- the bearing bush 11 in the bearing bore 10 is cylindrical inside and outside. Exactly as in the previously explained embodiment, the bearing journal 9 normally rotates in the bearing bush 11, but if the binding is difficult in this region, the bearing bush 11 can also rotate in the bearing bore 10.
- a bearing bore 12 is also provided in alignment with the bearing bore 10 in the end face of the actuating shaft 5.
- a bearing pin 13 is rotatably seated with its spherical pin 9 in the bearing bore 10 and has on its opposite side a cylindrical pin 14 which is rotatably seated in the bearing bore 12.
- the actuating shaft 5 engages with a pin 9 in the bearing bore 10 of the throttle valve shaft 3.
- a kinematic reversal is also possible, according to which the throttle valve shaft 3 would engage in the actuating shaft with a pin. It is also conceivable that the actuating shaft does not engage in the throttle valve shaft, but rather via the throttle valve shaft.
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)
- Lift Valve (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4006041A DE4006041A1 (de) | 1990-02-26 | 1990-02-26 | Drosselklappenstutzen |
DE4006041 | 1990-02-26 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0444239A2 true EP0444239A2 (fr) | 1991-09-04 |
EP0444239A3 EP0444239A3 (en) | 1992-07-08 |
EP0444239B1 EP0444239B1 (fr) | 1993-10-13 |
EP0444239B2 EP0444239B2 (fr) | 1999-03-17 |
Family
ID=6400999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90117606A Expired - Lifetime EP0444239B2 (fr) | 1990-02-26 | 1990-09-13 | Corps de papillon |
Country Status (5)
Country | Link |
---|---|
US (1) | US5071103A (fr) |
EP (1) | EP0444239B2 (fr) |
JP (1) | JP3390022B2 (fr) |
DE (2) | DE4006041A1 (fr) |
ES (1) | ES2045703T3 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4236144B4 (de) * | 1992-10-27 | 2005-07-21 | Babcock Borsig Power Systems Gmbh | Absperrklappe |
USD380525S (en) * | 1994-05-31 | 1997-07-01 | Tetra Laval Holdings & Finance S.A. | Connection piece for milk pipeline valve |
WO1998011336A1 (fr) * | 1996-09-13 | 1998-03-19 | Hitachi, Ltd. | Structure d'aspiration pour moteurs a combustion interne |
DE10103351B4 (de) | 2001-01-25 | 2010-11-04 | Valeo Klimasysteme Gmbh | Achsenlager |
US10934946B2 (en) * | 2016-01-19 | 2021-03-02 | Continental Automotive Systems, Inc. | Bearing seal assembly for electronic throttle control valve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8715061U1 (de) * | 1987-11-12 | 1989-03-09 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zum Betätigen einer Drosselklappe |
EP0306641A1 (fr) * | 1987-09-09 | 1989-03-15 | Pierburg Gmbh | Commande électrique de papillon pour moteur à combustion interne |
DE3809910A1 (de) * | 1988-03-24 | 1989-10-05 | Vdo Schindling | Vorrichtung zur leistungsbeeinflussung von brennkraftmaschinen |
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 |
---|---|---|---|---|
US2412021A (en) * | 1943-04-05 | 1946-12-03 | Carter Carburetor Corp | Carburetor throttle control |
US2414947A (en) * | 1944-09-18 | 1947-01-28 | Doyle Mfg Corp | Engine governor |
DE3625282A1 (de) * | 1986-07-25 | 1988-02-04 | Bosch Gmbh Robert | Betaetigungsvorrichtung fuer eine drosselklappe |
US4705063A (en) * | 1986-10-30 | 1987-11-10 | The Fulflo Specialties Co., Inc. | Motor operated valve assembly |
-
1990
- 1990-02-26 DE DE4006041A patent/DE4006041A1/de not_active Withdrawn
- 1990-09-13 DE DE90117606T patent/DE59003088D1/de not_active Expired - Fee Related
- 1990-09-13 EP EP90117606A patent/EP0444239B2/fr not_active Expired - Lifetime
- 1990-09-13 ES ES90117606T patent/ES2045703T3/es not_active Expired - Lifetime
-
1991
- 1991-01-18 US US07/643,568 patent/US5071103A/en not_active Expired - Lifetime
- 1991-02-25 JP JP03011891A patent/JP3390022B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0306641A1 (fr) * | 1987-09-09 | 1989-03-15 | Pierburg Gmbh | Commande électrique de papillon pour moteur à combustion interne |
DE8715061U1 (de) * | 1987-11-12 | 1989-03-09 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zum Betätigen einer Drosselklappe |
DE3809910A1 (de) * | 1988-03-24 | 1989-10-05 | Vdo Schindling | Vorrichtung zur leistungsbeeinflussung von brennkraftmaschinen |
EP0337099A2 (fr) * | 1988-04-09 | 1989-10-18 | Robert Bosch Gmbh | Dispositif de commande d'un moteur à combustion interne dans des véhicules |
Also Published As
Publication number | Publication date |
---|---|
EP0444239B2 (fr) | 1999-03-17 |
JPH04219425A (ja) | 1992-08-10 |
DE4006041A1 (de) | 1991-08-29 |
EP0444239B1 (fr) | 1993-10-13 |
US5071103A (en) | 1991-12-10 |
JP3390022B2 (ja) | 2003-03-24 |
EP0444239A3 (en) | 1992-07-08 |
ES2045703T3 (es) | 1994-01-16 |
DE59003088D1 (de) | 1993-11-18 |
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