Dosing device, assembly for such a dosing device and method for actuating a closure of a dosing device

The metering device with a selectively actuatable closure and shaft-closure element combination ensures precise and reliable discharge of bulk materials by maintaining a constant gap and minimizing undesired discharge, addressing issues in existing dosing technologies.

DE102023125427B4Active Publication Date: 2025-07-24QLAR EUROPE GMBH
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Patent Information

Application Number
DE102023125427
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-09-20
Publication Date
2025-07-24
Estimated Expiration
2043-09-20

AI Technical Summary

Technical Problem

Existing dosing devices for bulk materials face challenges in achieving precise and reliable discharge, with issues such as material dripping during interruptions and initial filling, particularly in batch metering processes.

Method used

A metering device with a selectively actuatable closure featuring a discharge element and a closure element that moves between operating and closure positions, maintaining a constant gap with the conveying channel and utilizing a shaft extending through the closure element to prevent undesired material discharge.

Benefits of technology

Enables precise and reliable material discharge, preventing undesired discharge during interruptions and initial filling, while reducing wear on sealing elements.

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Abstract

Dosing device for dosing bulk material, with a selectively operable closure, the dosing device comprising - a discharge member rotatably arranged within a conveying channel for conveying the bulk material within the conveying channel along a conveying direction towards an outlet opening of the conveying channel, wherein the discharge member has a shaft which is mounted beyond the outlet opening in the conveying direction, or is connected to such a shaft, and - a closure element movable between an operating position and a closure position along a movement path for at least partially closing the outlet opening, wherein the shaft extends through the closure element.
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