Flow control valve

A flow control valve and fluid technology, applied in sliding valves, valve details, valve devices, etc., can solve the problems of low efficiency, complex structure, high cost, and achieve the effect of low noise and no magnetic field interference

Inactive Publication Date: 2010-08-25
SIEMENS CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Positioning screws and steel balls help the rotation of the motor output shaft into the vertical movement of the valve stem, and its structure is relatively complicated
US 4840350 A discloses an exhaust ga

Method used

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Embodiment Construction

[0040] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings. Wherein, the same parts adopt the same reference numerals.

[0041] Fig. 1 is a schematic cross-sectional view of a flow control valve according to a specific embodiment of the present invention. As shown in the figure, the flow control valve 1 of this embodiment has a pipeline 100 for fluid to pass through, and a rotating piece 107 for cutting off the pipeline 100 is arranged along the vertical direction of the pipeline 100. The pipe 100 overlaps the opening 109 , wherein the diameter of the opening 109 is not larger than the outer diameter of the pipe 100 .

[0042]It can be seen from the figure that the pipeline 100 is actually composed of two parts separated by the rotating piece 107, and the rotating piece 107 is vertically inse

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Abstract

The invention provides a flow control valve, which can be used for flow control in an exhaust gas recirculation pipeline of an internal combustion engine. The flow control valve is provided with a pipe communicating the pipeline, wherein a rotary plate for blocking the pipe is arranged along the vertical direction of the pipe; at least one opening is reserved on the rotary plate; the rotary plate can rotate to the position where the opening and the pipe are superposed; the diameter of the opening is not greater than the outer diameter of the pipe; and a drive mechanism can drive the rotary plate to rotate around the axis of a rotating shaft and the drive mechanism can be a piezoelectric drive mechanism. The flow control valve has the advantages of compact and simple structure, smart size, low energy consumption, low noise and easy and accurate flow adjustment.

Description

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Claims

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Application Information

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Owner SIEMENS CHINA
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