Modular Tube Diffuser Saddle for Compact Shipping and Fast Assembly

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Solution Overview

Problem

Existing tube diffusers and saddles for wastewater treatment are labor-intensive to assemble and inefficient for packaging and transport, leading to high shipping costs.

Innovation Solution

A redesigned tube diffuser and saddle system featuring a cylindrical diffuser body with engagement arms and a saddle that allows for quick and secure attachment to an air distribution pipe, enabling compact shipping and easy assembly in the field.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If conventional tube diffusers and saddles are used, then the aeration function is provided, but assembly requires significant labor and shipping costs are high

Engineering Contradiction:

Improveassembly easeVSAvoidassembly time

Core Design Contradiction:

Ease of manufactureVSLoss of time

Solution Approach 1:

The tube diffuser is divided into separate modular components: a rigid body portion and a flexible membrane portion that can be assembled together in the field. The saddle connector is also designed as a separate module that interfaces with both the gas distribution pipe and the tube diffuser body, enabling straightforward modular assembly without complex field construction

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The flexible membrane is designed to fit over and conform to the rigid body, with the membrane extending beyond the body to provide the aeration surface. This nested configuration allows compact packaging during shipping while enabling easy field assembly by simply positioning the membrane over the body and securing it with clamps

Inventive Principle:

Principle #7Nested doll (Nesting)

2Reliability

If conventional tube diffusers and saddles are used, then the aeration function is provided, but shipping costs are excessive

Engineering Contradiction:

Improveaeration functionVSAvoidshipping volume

Core Design Contradiction:

ReliabilityVSVolume of stationary object

Solution Approach 1:

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The flexible membrane portion is designed to be collapsible or foldable when not in use, allowing it to be compacted to a fraction of its operational volume for shipping and storage, then expanded to its full functional form when installed in the wastewater treatment tank

Inventive Principle:

Principle #15Dynamics

3Adaptability or versatility

If conventional saddles are used, then gas distribution is achieved, but attachment to air distribution pipe is labor-intensive

Engineering Contradiction:

Improvegas distribution capabilityVSAvoidattachment ease

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The saddle connector incorporates self-aligning features and automatic sealing mechanisms that allow it to attach to the air distribution pipe without requiring complex alignment procedures or specialized installation tools. The design enables field personnel to quickly install the saddle by simply positioning it over the pipe and securing it with fasteners, with the sealing surfaces automatically conforming to ensure leak-free connection

Inventive Principle:

Principle #25Self-service

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

Facilitates rapid setup with reduced labor and leak risks, while significantly reducing shipping costs through compact packaging.

Implementation Method 1

Supplying pressurized air to the tube diffuser while the tube diffuser is immersed in wastewater has the effect of expanding the flexible diffuser membrane away from the rigid tubular body and causing the air to escape into the wastewater through a multiplicity of perforations

Methodology Applied

Scientific EffectPressure expansion: Pressure Increase

Implementation Method 2

Each of the pair of engagement arms occupy a respective one of the two open spaces in the tube diffuser and abut a respective one of the two oppositely-facing external sidewalls of the gas distribution section of the tube diffuser

Methodology Applied

Scientific EffectMechanical constraint: Mechanical Force

Data Source

PatentUS12515970B2Tube diffuser and associated saddle

Publication Date: 2026.01.06 SSI AERATION

AI summary

Aspects of the invention describe a tube diffuser design and associated saddle design that allow the two elements to be easily and quickly attached to each other in the field for the purpose of aerating wastewater. The tube diffuser is cylindrical and includes a gas distribution section spanning across an interior diameter of the tube diffuser. The saddle includes a pair of engagement arms that are able to couple to this gas distribution section of the tube diffuser. Once the tube diffuser is attached to the saddle and the assembly is submerged in wastewater, the saddle may be used to transport air from an air distribution pipe to the tube diffuser. The air may then be made to leave the tube diffuser as a plume of air bubbles.