DE202007015127U1 - Controlled valve train (GVT) - Google Patents

Controlled valve train (GVT) Download PDF

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Publication number
DE202007015127U1
DE202007015127U1 DE200720015127 DE202007015127U DE202007015127U1 DE 202007015127 U1 DE202007015127 U1 DE 202007015127U1 DE 200720015127 DE200720015127 DE 200720015127 DE 202007015127 U DE202007015127 U DE 202007015127U DE 202007015127 U1 DE202007015127 U1 DE 202007015127U1
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Germany
Prior art keywords
controlled valve
rocker arm
gvt
eccentric
valve train
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DE200720015127
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German (de)
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Priority to DE200720015127 priority Critical patent/DE202007015127U1/en
Publication of DE202007015127U1 publication Critical patent/DE202007015127U1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot

Abstract

Gesteuerter Ventiltrieb (GVT) für Verbrennungsmotoren, bestehend aus Ventilen, Nockenwelle, Schwinghebel und Exzenterwelle, dadurch gekennzeichnet, dass der Schwinghebel (1) sich unmittelbar auf den Zapfen (2) des Steuerexzenters (3) stützt.controlled Valve train (GVT) for Internal combustion engines, consisting of valves, camshaft, rocker arm and eccentric shaft, characterized in that the rocker arm (1) directly on the pin (2) of the control eccentric (3) supports.

Figure 00000001
Figure 00000001

Description

In herkömmlichen Verbrennungsmotoren wird die Menge der Luft oder Luftspritmischung in Reihenfolge erst durch die Drosselklappe und dann durch die Einlassventile eingesaugt oder eingelassen. Der Einlass der Motoren ist zweistufig.In usual Internal combustion engines will increase the amount of air or air-fuel mixture in order first through the throttle and then through the intake valves sucked or let in. The inlet of the engines is two-stage.

Der zweistufige Lufteinlass bildet ein zusätzliches Hindernis und führt zur mangelhafter Füllung des Zylinders. Das Ziel der Erfindung ist ein einstufiger Einlass. Es soll ein einfacher Antrieb für einen gesteuerten Ventilhub erzeugt werden.Of the two-stage air intake forms an additional obstacle and leads to deficient filling of the Cylinder. The object of the invention is a single stage inlet. It intended to be a simple drive for a controlled valve lift can be generated.

Das Ausführungsbeispiel der Erfindung ist auf der Zeichnung 1 dargestellt. Der Ventilantrieb besteht aus Nocken 5, Schwinghebel 1, und Steuerexzenter 3 mit der Hebelstütze 2. Dabei liegt die Drehachse der Steuerexzenterwelle in der Fläche, die, nah dem Kopf, den Ventilschaft 4 senkrecht kreuzt. Der Zapfen 2 des Exzenters 3 bewegt sich bei begrenzten Drehbewegungen der Exzenterwelle annähernd parallel dem Ventilschaft 4.The embodiment of the invention is shown in the drawing 1 shown. The valve actuator consists of cams 5 , Rocker arm 1 , and control eccentric 3 with the fulcrum 2 , In this case, the axis of rotation of the control eccentric shaft lies in the surface which, close to the head, the valve stem 4 crosses vertically. The pin 2 of the eccentric 3 moves with limited rotational movements of the eccentric shaft approximately parallel to the valve stem 4 ,

Auf der Zeichnung ist das Einlassventil im geschlossenen Zustand gezeigt. Der Zapfen 2 des Exzenters 3 ist in der unteren Lage und der Nocken 5 bewegt nur die Spannfeder 6. Der Schwinghebel 1 ist ruhe. Zum öffnen der Einlassventile muss die Exzenterwelle im Uhrzeigersinn gedreht werden. Beispielweise mit dem Gaspedal. Das Maß der öffnung des Einlassventils und folglich die Menge der eingelassener Luft oder Mischung wird durch die Stellung des Stützlagerzapfen 2 des Schwinghebels ausgestellt und mittels Drehbewegung der Steuerexzenterwelle bestimmt. Die Leistung des Motors wird direkt durch den Ventilhub gesteuert.In the drawing, the inlet valve is shown in the closed state. The pin 2 of the eccentric 3 is in the lower layer and the cam 5 only moves the tension spring 6 , The rocker arm 1 is rest. To open the inlet valves, turn the eccentric shaft clockwise. For example with the gas pedal. The degree of opening of the inlet valve, and thus the amount of air or mixture admitted, is determined by the position of the support journal 2 issued the swing lever and determined by means of rotary motion of the control eccentric shaft. The power of the engine is controlled directly by the valve lift.

Mit der Erfindung werden folgende Werte und Vorteile erreicht:

  • – Der Ventieltrieb ist einfach und leicht in jeden Motor einzubauen.
  • – Der Lufteinlass ist einstufig und hat weniger Widerstand.
  • – Die Drosselklappe als Luftmengenregler ist überflüssig.
  • – Die Erfindung erlaubt mindestens zehn Prozent Sprit Sparen und entsprechend weniger Abgas ausstoßen.
The invention achieves the following values and advantages:
  • - The valve drive is simple and easy to install in any engine.
  • - The air intake is single stage and has less resistance.
  • - The throttle valve as air flow regulator is superfluous.
  • The invention allows at least ten percent fuel savings and correspondingly less exhaust emissions.

Claims (4)

Gesteuerter Ventiltrieb (GVT) für Verbrennungsmotoren, bestehend aus Ventilen, Nockenwelle, Schwinghebel und Exzenterwelle, dadurch gekennzeichnet, dass der Schwinghebel (1) sich unmittelbar auf den Zapfen (2) des Steuerexzenters (3) stützt.Controlled valve train (GVT) for internal combustion engines, consisting of valves, camshaft, rocker arm and eccentric shaft, characterized in that the rocker arm ( 1 ) directly on the pin ( 2 ) of the control eccentric ( 3 ). Gesteuerter Ventiltrieb nach Anspruch 1., dadurch gekennzeichnet, dass die Drehachse des Steuerexzenters (3) liegt in der Fläche, die, nahe dem Kopf, den Ventilschaft (4) senkrecht schneidet.Controlled valve drive according to claim 1, characterized in that the axis of rotation of the control eccentric ( 3 ) lies in the surface which, near the head, the valve stem ( 4 ) cuts vertically. Gesteuerter Ventiltrieb nach Anspruch 1. und 2., dadurch gekennzeichnet, dass der Zapfen (2) des Steuerexzenters (3) so ausgestellt wird, dass, bei begrenzten Drehbewegungen der Exzenterwelle, er sich annähernd parallel dem Ventilschaft (4) bewegt.Controlled valve drive according to claim 1 and 2, characterized in that the pin ( 2 ) of the control eccentric ( 3 ) is issued so that, with limited rotational movements of the eccentric shaft, it is approximately parallel to the valve stem ( 4 ) emotional. Gesteuerter Ventiltrieb nach Anspruch 1. bis 3., dadurch gekennzeichnet, dass an dem Schwinghebel (1), gegen dem Nocken (5), eine Spannfeder (6) befestigt ist.Controlled valve drive according to claim 1 to 3, characterized in that on the rocker arm ( 1 ), against the cam ( 5 ), a tension spring ( 6 ) is attached.
DE200720015127 2007-10-31 2007-10-31 Controlled valve train (GVT) Expired - Lifetime DE202007015127U1 (en)

Priority Applications (1)

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DE200720015127 DE202007015127U1 (en) 2007-10-31 2007-10-31 Controlled valve train (GVT)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720015127 DE202007015127U1 (en) 2007-10-31 2007-10-31 Controlled valve train (GVT)

Publications (1)

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DE202007015127U1 true DE202007015127U1 (en) 2008-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016210463A1 (en) * 2016-06-14 2017-12-14 Thyssenkrupp Ag Valve control device for an internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016210463A1 (en) * 2016-06-14 2017-12-14 Thyssenkrupp Ag Valve control device for an internal combustion engine

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R156 Lapse of ip right after 3 years

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