Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for operating a valve train of an internal combustion engine and corresponding valve train

A technology of valve train and internal combustion engine, which is applied in the direction of machine/engine, electrical control, mechanical equipment, etc., and can solve the problem of inability to move the lever out

Active Publication Date: 2017-04-05
AUDI AG
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The actuator cannot move the lever out of the chute or into the chute again

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for operating a valve train of an internal combustion engine and corresponding valve train
  • Method for operating a valve train of an internal combustion engine and corresponding valve train
  • Method for operating a valve train of an internal combustion engine and corresponding valve train

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] figure 1 Shown is a detail of a valve train of an internal combustion engine, not further shown. The valve train has a basic camshaft on which the cam carrier is arranged in a rotationally fixed manner but axially displaceable. For the axial displacement of the switching guide 2 assigned to the cam carrier, the switching guide has two gates 3 and 4 in the exemplary embodiment shown here. The displacement takes place by means of an actuator 5 with a lever 6 which can enter into one of the slots 3 and 4 . Depending on which link 3 or 4 the lever 6 enters, the switching guide 2 and thus the cam carrier are moved in one or the other direction. The actuator 5 has a coil 7 for moving a lever 6 in a radial direction, and the lever 6 is connected to a permanent magnet 8 movable therewith. Housing 9 of actuator 5 preferably consists of metal. The coil 7 can be electrically connected to a power source 11 via a switching element 10 . If such a connection exists, the coil 7 ge...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for operating a valve train (1) of an internal combustion engine, the valve train having at least one basic camshaft, on which the camshaft is fixed in rotation and between at least two axial positions At least one cam carrier is arranged axially displaceable, to which an actuator (5) is assigned for the axial displacement to a target position selected from the axial position, wherein at least one switchover is assigned to the cam carrier Guide structure (2), in order to move the cam carrier, the switching guide structure cooperates with the actuator (5), wherein the actuator (5) has a lever (6), in order to move the cam carrier, along Pushing the lever in the direction of at least one chute (3, 4) of the switching guide structure (2), wherein the chute (3, 4) has a push-out slope in the push-out area, and the push-out slope pushes the The lever (6) is pushed out of the slots (3, 4) until it comes to rest, wherein an induced voltage (U) is generated by pushing into the actuator (5). It is provided here that the induced voltage (U) is integrated within a defined range of rotation angles ( 23 , 24 ) assigned to the push-out region and that an acknowledgment signal is generated when the integrated voltage exceeds a threshold level. The invention also relates to a valve train (1) of an internal combustion engine.

Description

technical field [0001] The invention relates to a method for operating a valve train of an internal combustion engine, the valve train having at least one basic camshaft on which an axial movement between at least two axial positions is possible without relative rotation. The method of movement is provided with at least one cam carrier, for which an actuator is assigned for the axial movement to a target position selected from the axial positions, wherein at least one switching guide is assigned to the cam carrier Structure, the switching guide structure cooperates with the actuator in order to move the cam carrier, wherein the actuator has a pull lever, which is pushed towards at least one chute of the switching guide structure in order to move the cam carrier, wherein, In an ejection zone, the link has an ejection ramp, which ejects the lever from the link until the end of the movement, wherein the voltage induced in the actuator due to the ejection is detected. Background...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F01L13/00
CPCF01L1/34413F01L13/0036F01L2013/0052F02D41/20F02D2041/001F02D2041/2051
Inventor J·格拉夫
Owner AUDI AG