Dosing device and application system

The dosing device with dual material chambers and a single drive motor system addresses the inefficiencies of pneumatic valves by allowing simultaneous filling and emptying, reducing cycle time and enhancing operational readiness.

DE102024127656A1Inactive Publication Date: 2026-03-26ATLAS COPCO IAS GMBH
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Patent Information

Application Number
DE102024127656
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2026-03-26
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Conventional pneumatic valves for dispensers require compressed air for operation, which is complex and energy-intensive, and refilling processes are time-consuming, leading to prolonged cycle times in industrial applications.

Method used

A dosing device with two material chambers, each with a piston, is operated by a single drive motor that alternately ejects and fills material from one chamber while the other is refilled, using a gearbox to convert rotary motion into opposing piston movements, eliminating the need for separate drives and allowing simultaneous filling and emptying.

Benefits of technology

This design reduces cycle time by enabling simultaneous filling and emptying of material chambers, improving operational efficiency and readiness for reuse.

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Abstract

Metering device (100) for a liquid medium, comprising: a first metering unit (10) having a first material chamber (12), a first material outlet (14) and a first metering piston (16) slidably arranged in the first material chamber (12) for ejecting the medium from the first material chamber (12); a second metering unit (20) having a second material chamber (22), a second material outlet (24) and a second metering piston (26) slidably arranged in the second material chamber (22) for ejecting the medium from the second material chamber (22); and a common material outlet (30) of the first and second metering units (10, 20). A gearbox (42) couples the first metering piston (16) and the second metering piston (26) to the drive motor (40).The two material chambers (12, 22) each with a piston (16, 26) can be operated alternately to eject material by a single drive motor (40) which drives the pistons in opposite directions, wherein the two material chambers (12, 22) can be connected to the common material outlet (30).
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