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Actuator

An actuator and driver technology, applied in the field of regulating valves, which can solve problems such as large space

Inactive Publication Date: 2014-05-07
KARL DUNGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, a two-seat regulating valve of the described type must be produced with great precision, while on the other hand, two passages are absolutely required and, therefore, a large space is required

Method used

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  • Actuator
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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0098] figure 1 A section through the control actuator 10 is shown. Preferably, it comprises a cup-shaped first portion 24 with the first wall portion 12 remaining stationary or also adjustable. The first wall portion 12 is mounted to the partition wall 14 in a fluid-tight manner (eg, by welding, screwing, press-fitting, gluing, etc.). The first wall portion 12 includes a base 16 connected to the wall portion 12 in a fluid-tight manner.

[0099] The first wall section 12 and the bottom 16 circumscribe a substantially cylindrical inflow volume 18 . The bottom 16 preferably extends into the inflow volume 18 . It may have a conical shape and include a flow guiding surface 19 . Input pressure P e Throughout the upstream of the partition wall 14 and in the inflow volume 18 . For example, two recesses are arranged in the first wall portion 12 , these recesses forming the first flow opening 20 and the second flow opening 22 .

[0100] The first wall portion 12 and the bottom 1...

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PUM

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Abstract

The actuator (10) has a wall arrangement (12) comprising flow openings (20, 22). A cup-shaped part (28) is arranged outside a cylindrical inflow volume (18) and another wall arrangement (30) with wall sections (32, 34). The wall arrangement is arranged so as to be adjustable along the former arrangement in an adjustment direction to gradually clear or close the openings by the sections. An adjustment drive (50) i.e. membrane adjustment drive, is connected to the part to move the part in the direction. A closing regulating valve arrangement is fixed above another cup-shaped part (24).

Description

technical field [0001] The subject of the invention is a regulating valve for the regulation of the output pressure of a fluid, in particular a gas, independently of the input independent pressure. Background technique [0002] For example, publication DE 40 08 493 A1 discloses a double-seat regulating valve comprising two closing parts with associated valve seats, wherein the closing parts are connected to each other in order to control the output pressure. The forces acting on the surface of the closed part caused by the pressure difference between the input pressure and the output pressure are equal in quantity and opposite in direction, and cancel each other due to the communication between the closed parts. On the one hand, a double-seat regulating valve of the described type has to be manufactured with great precision, while on the other hand, two passages are absolutely required and, therefore, a large space is required. Due to their design, they feature some gas def...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/12F16K31/126F16K17/30
CPCG05D16/103F15B15/20G05D16/0638
Inventor L.巴特克
Owner KARL DUNGS