EP0444239A2 - Corps de papillon - Google Patents

Corps de papillon Download PDF

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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
valve shaft
actuating
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
EP90117606A
Other languages
German (de)
English (en)
Other versions
EP0444239A3 (en
EP0444239B1 (fr
EP0444239B2 (fr
Inventor
Thomas Hannewald
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6400999&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0444239(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0444239A2 publication Critical patent/EP0444239A2/fr
Publication of EP0444239A3 publication Critical patent/EP0444239A3/de
Publication of EP0444239B1 publication Critical patent/EP0444239B1/fr
Application granted granted Critical
Publication of EP0444239B2 publication Critical patent/EP0444239B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • 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)
EP90117606A 1990-02-26 1990-09-13 Corps de papillon Expired - Lifetime EP0444239B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4006041 1990-02-26
DE4006041A DE4006041A1 (de) 1990-02-26 1990-02-26 Drosselklappenstutzen

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)

* Cited by examiner, † Cited by third party
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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
DE3730241A1 (de) * 1987-09-09 1989-03-30 Pierburg Gmbh Elektrisch ansteuerbare stellvorrichtung zum verstellen der drosselklappe einer brenngemischdrosseleinrichtung von brennkraftmaschinen
DE8715061U1 (de) * 1987-11-12 1989-03-09 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum Betätigen einer Drosselklappe
DE3809910C2 (de) * 1988-03-24 1996-02-15 Vdo Schindling Vorrichtung zur Leistungsbeeinflussung von Brennkraftmaschinen
DE3811892A1 (de) * 1988-04-09 1989-10-19 Bosch Gmbh Robert Vorrichtung zur regelung einer brennkraftmaschine in fahrzeugen

Also Published As

Publication number Publication date
EP0444239A3 (en) 1992-07-08
DE4006041A1 (de) 1991-08-29
ES2045703T3 (es) 1994-01-16
US5071103A (en) 1991-12-10
EP0444239B1 (fr) 1993-10-13
EP0444239B2 (fr) 1999-03-17
DE59003088D1 (de) 1993-11-18
JPH04219425A (ja) 1992-08-10
JP3390022B2 (ja) 2003-03-24

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