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Dosing system, dosing method and production method

A dosing and control unit technology, applied in dosing systems, dosing and manufacturing fields, can solve problems such as high-precision dosing of unsuitable dosing materials

Active Publication Date: 2015-06-03
VERMES MICRODISPENSING GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But these two structures are not suitable for realizing high-precision dosing of dosing materials

Method used

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  • Dosing system, dosing method and production method
  • Dosing system, dosing method and production method
  • Dosing system, dosing method and production method

Examples

Experimental program
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Embodiment Construction

[0066] figure 1 and figure 2 shows a dosing system 3 according to one embodiment of the invention, image 3 for figure 2 detailed view of the . The metering system 3 comprises a nozzle 1 , a metering material container 5 with a metering material reservoir 7 and a housing 35 , wherein an actuator chamber 25 is provided in addition to the nozzle 1 .

[0067] The housing 35 comprises a lower first housing part 37 and an upper second housing part 39 . The two housing parts 37 , 39 are resiliently connected to each other via a fastening screw 41 and a vertically oriented spring 43 connected to the fastening screw 41 . This results in a gap 53 , ie a certain clearance, on both sides at the edge between the two housing parts 37 , 39 .

[0068] In the housing 35 , the actuator chamber 25 is arranged centrally in an actuation region 59 . The first piezoelectric actuator 23a and the second piezoelectric actuator 23b are aligned in the direction of the (middle) axis X and positio...

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Abstract

The present invention relates to a dosing system (3) for a shear-thinning or thixotropic, liquid to viscous dosing substance. Said dosing system comprises a nozzle (1) having a closure channel (55), within which a closure element (21) is moved in an ejection (E) and / or retracting direction (R) and is controlled during operation by an automatic control unit (63). The closure channel (55) is configured in at least one cross section perpendicular to the ejection (E) and / or retracting direction (R) in relation to the cross section of the closure element (21) in the same cutting plane such that a passage gap (57) is formed between the outer surface (S1) of the closure element (21) and the inner surface (S2) of the closure channel (55), said closure gap being formed and / or dimensioned such that it forms at least in some regions a passage channel for the dosing substance. Furthermore, the control unit (63) is designed such that, during operation, it generates control signals (SS1, SS2) for different movements of the closing element (21) in at least two movement modes (M1, M2, M4, M5, M6), wherein it moves in at least one of the movement modes (Μ1, M2, M4, M5, M6) the closure element (21) in such a way that the viscosity of the dosing substance is reduced in at least one region of the passage gap (57). The invention also relates to a method for producing such a dosing system (3) and to a dosing method that can be carried out using said dosing system (3).

Description

technical field [0001] The invention relates to a dosing system for liquid or even viscous dosing materials or media to be dosed, the system comprising a nozzle with a closed channel, inside which the closed element is controlled during operation by an automatic control unit Movement along the ejection and / or retraction direction, where the airtight channel is configured in at least one cross-section perpendicular to the ejection and / or retraction direction compared to the cross-section of the sealing element on the same cutting plane, in the airtight A passage gap is formed between the outer surface of the element and the inner surface of the closed channel, which is shaped and / or dimensioned such that it at least partially forms a passage passage for the metering material. The invention also relates to a dosing method for such a dosing material, wherein the dosing material is delivered through a nozzle comprising a closed channel inside which the closing element is ejected a...

Claims

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Application Information

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IPC IPC(8): B05B1/30B05C5/02G01F11/00
CPCB05C5/0225G01F11/021Y10T29/49826F15D1/08
Inventor 于尔格·施泰特勒马里奥·弗利斯
Owner VERMES MICRODISPENSING GMBH
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