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Device and method for actuating valves

A technology of equipment and target system, applied in the direction of mechanical equipment, valve operation/release device, valve device, etc., can solve the problems of slowing down the system's aerodynamic time characteristics, and acceleration is impossible to achieve.

Active Publication Date: 2019-03-01
KNORR BREMSE SYST FUR SCHIENENFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also the use of nozzles only offers the possibility of slowing down the aerodynamic time characteristics of the system
Acceleration is not possible

Method used

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  • Device and method for actuating valves
  • Device and method for actuating valves
  • Device and method for actuating valves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] figure 1 A block diagram showing the method steps according to the invention or the method steps carried out in the device according to the invention.

[0042]A control period 101 is predetermined via the superordinate control loop, with which the pressure change required by the superordinate control loop can be achieved in the reference system. Actuation duration 101 is read in by the device via a signal input. The effective valve opening time 123 associated with the reference system is determined from the predetermined actuation duration 101 for the valve of the reference system by knowledge of the valve dynamics 103 of the reference system.

[0043] In the present invention figure 1 In the embodiment shown in , the effective valve opening time 123 of the reference system is determined by the predetermined actuation duration 101 and the pressure 127 upstream of the valve 113 of the target system and the pressure 129 downstream of the valve 113 of the target system. ...

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PUM

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Abstract

The invention relates to a device for actuating valves, the device determining an actuation duration (109) for a valve (113) of a target system from a specified actuation duration (101) for a valve ofa reference system with which a required pressure change can be achieved in the reference system in order to achieve the required pressure change in the target system. The device ascertains the effective valve opening time (123) belonging to the specified actuation duration (101) for the valve of the reference system, calculates the effective opening time (125) of the valve (113) of the target system from the effective opening time (123), the opening time of the valve of the target system being used to achieve the same pressure change in the target system as in the reference system, and thendetermines a valve (113) actuation duration (109) required to achieve the effective opening time (125) of the valve (113) of the target system. The invention additionally relates to a corresponding method for ascertaining an actuation duration (109) for a valve (113) of a target system, the actuation duration for a valve of a target system being used to achieve the same pressure change in the target system as in the reference system.

Description

technical field [0001] The invention relates to a device for valve actuation, with which the actuation duration of a valve for a target system deviating from a reference system is determined for an actuation duration of a valve for a reference system, for example predetermined by a superordinate control loop. Time with which the required pressure change can be achieved in the reference system with the actuation duration of the valve for the reference system and with which the required pressure change is also achieved in the target system. The invention furthermore relates to a method for valve actuation in order to determine the actuation duration of a valve of a target system from a predetermined actuation duration of a valve of a reference system, using the predetermined actuation duration of a valve of a reference system The duration enables the desired pressure change to be achieved in the reference system, and the desired pressure change is also achieved in the target sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/17B60T13/66
CPCB60T8/1705B60T13/662B60T13/665B60T13/683B60T17/228B60T2270/14B60T8/174F02D41/2445F16K31/34
Inventor S·哈特尔T·拉赛尔R·迈尔
Owner KNORR BREMSE SYST FUR SCHIENENFAHRZEUGE GMBH