Vertical Motion Mixer Drive With Dual Closed-Loop Mechanisms

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Solution Overview

Problem

Manufacturing vertical motion mixers with reasonable reliability and cost-effectiveness is challenging.

Innovation Solution

An apparatus comprising a drive axis, translation axis, offset axis, yoke, shuttle, and paired drive mechanisms with closed-loop bodies, coupled by gears and chains, driven by a motor and counterweight system, facilitating efficient and robust reciprocal motion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional vertical motion mixer designs are used, then mixing functionality is achieved, but manufacturing reliability and cost-effectiveness deteriorate

Engineering Contradiction:

Improvemanufacturing reliabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The drive system is segmented into two independent drive mechanisms (first and second drive mechanisms) that each independently drive one of two shuttles. This segmentation allows each drive mechanism to be simpler and more reliable, while the overall system achieves the desired mixing functionality through coordinated operation of multiple simpler units.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent combines multiple drive mechanisms with a common yoke structure that guides the motion of both shuttles. The yoke merges the independent drive paths into a unified motion system, achieving reliable vertical reciprocating motion while maintaining manufacturing simplicity through the use of standard mechanical components.

Inventive Principle:

Principle #5Merging (Combining)

2Ease of manufacture

If conventional vertical motion mixer designs are used, then mixing functionality is achieved, but manufacturing cost increases

Engineering Contradiction:

Improvemanufacturing cost-effectivenessVSAvoidmanufacturing reliability

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

Instead of using a single complex drive mechanism that attempts to drive both shuttles, the patent inverts the approach by using two independent simple drive mechanisms that each drive one shuttle. This inversion simplifies manufacturing of individual components while achieving the same overall functionality, thereby reducing cost and improving reliability.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The patent employs two identical or substantially similar drive mechanisms as copies of each other. This allows for standardized manufacturing processes, interchangeable parts, and simplified production planning, all of which reduce manufacturing costs while improving reliability through redundancy.

Inventive Principle:

Principle #26Copying

Data Source

PatentUS20250214048A1Apparatus for driving a vertical motion mixer

Publication Date: 2025.07.03 ENERSAVE FLUID MIXERS

AI summary

The apparatus comprises: an assembly defining a drive axis, a translation axis perpendicular to the drive axis and an offset axis perpendicular to both the drive and translation axes, the assembly including a yoke; a shuttle mounted to the yoke for reciprocating motion along the yoke parallel to the translation axis; and a pair of drive mechanisms spaced apart from one another in the direction of the offset axis and disposed in flanking relation to the yoke, each drive mechanism including a body that follows a closed loop, said body being operatively coupled to the shuttle to reciprocate the yoke along a path parallel to the drive axis.