Peristaltic Pump Fluid Delivery Apparatus
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Solution Overview
Problem
Existing systems for mixing and applying two-component fluids in construction and renovation are cumbersome due to the need for heavy pumps and extensive cleanup, which complicates the process and increases the risk of equipment fouling.
Innovation Solution
A portable apparatus utilizing external peristaltic pumps to drive flexible conduits, minimizing the need for internal pump cleaning and incorporating a mixer nozzle for simplified cleanup, with optional features like pressurized gas assistance and adjustable mixing ratios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If internal pumps are used to mix and apply two-component fluids, then the mixing and application function is achieved, but the apparatus becomes heavy and requires extensive cleanup
Solution Approach 1:
The patent extracts the pump mechanism from the internal flow path and places it externally. The peristaltic pump uses external rollers to compress and advance the flexible conduit, allowing the pump mechanism itself to remain outside the fluid path. This eliminates the need to clean internal pump components while maintaining the mixing and application function.
Solution Approach 2:
The patent introduces a flexible conduit as an intermediary between the fluid source and the mixing point. The conduit acts as a mediator that can be externally manipulated by the peristaltic pump, allowing fluid transport without requiring internal pump mechanisms. The conduit itself becomes the interface that simplifies cleanup while maintaining system functionality.
2Reliability
If pumps and conduits are used to deliver fluids, then fluid delivery is achieved, but equipment fouling occurs requiring rinsing to prevent
Solution Approach 1:
By extracting the pump mechanism from the fluid path and placing it externally, the patent eliminates the internal surfaces that would otherwise be subject to fouling. The external peristaltic pump contacts only the outside of the flexible conduit, not the fluid itself, preventing fouling of pump components and eliminating cleanup time.
3Ease of operation
If a mixer nozzle is provided at the end of the flow path, then mixing occurs at the point of application, but only the nozzle needs cleaning
Solution Approach 1:
The patent segments the mixing function from the main pump system and places it at the nozzle. The mixer nozzle is a separate, easily replaceable component that performs the mixing function locally at the point of application. This segmentation allows the majority of the system (pump, conduits) to remain clean while only the mixer nozzle requires minimal cleaning or replacement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus simplifies the mixing and application process by reducing cleanup requirements and preventing equipment fouling, allowing for efficient and precise delivery of mixed fluids to target surfaces.
Implementation Method 1
external drive members, such as peristaltic pumps, which act on the outer surface of a flexible conduit
Implementation Method 2
the pressurized gas is useable to assist in driving fluid through the flow path and out the nozzle
Data Source
AI summary
An apparatus for conveying, and optionally mixing and conveying a building product such as a sealant, a mastic, paint or the like is provided.