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Apparatus and method for valve actuation

A technology for equipment and target systems, applied in the direction of mechanical equipment, valve operation/release devices, valve devices, etc., can solve the problems of slowing down the aerodynamic time characteristics of the system and the impossibility of acceleration

Active Publication Date: 2021-03-12
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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  • Apparatus and method for valve actuation
  • Apparatus and method for valve actuation
  • Apparatus and method for valve actuation

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 describes a device for valve actuation, which determines an actuation duration (109) for a valve (113) of a target system from a predetermined actuation duration (101) for a valve of a reference system, so that A desired pressure change in the target system is achieved, which can be achieved in the reference system with a predetermined actuation duration of the valves for the reference system. The device determines an effective opening time (123) of the valve of the reference system belonging to the predetermined actuation duration (101) for the valve of the reference system, from which effective opening time (123) the effective opening time (123) of the valve (113) of the target system is calculated. The opening time (125), by which the effective opening time achieves the same pressure change in the target system as in the reference system, and then determines the effective Actuation duration (109) required for opening time (125). Furthermore, the invention describes a corresponding method for determining the actuation duration (109) of a valve (113) of a target system, with which the valves (113) of the target system are implemented in the target system and in the reference system Same pressure change.

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 Patents(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