Transparent Valve Gearbox Cover for Weather Sealing

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Solution Overview

Problem

Pipelines are susceptible to natural weather conditions, leading to water ingress and degradation of valve parts, resulting in significant downtime and maintenance costs.

Innovation Solution

A non-porous, transparent valve gearbox cover that seals the top seam of the valve gearbox, preventing water and weather ingress while maintaining visibility and stability across UV wavelengths, reducing maintenance needs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the valve gearbox is left exposed to weather conditions, then access and visibility are maintained, but water ingress occurs leading to degradation of valve parts

Engineering Contradiction:

Improveprotection against water ingressVSAvoidaddition of cover structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

A transparent valve gearbox cover is introduced as an intermediary element between the external weather environment and the internal valve components. The cover acts as a protective barrier that prevents water and weather ingress while allowing visual inspection of the valve orientation and internal parts, thus resolving the contradiction between protection and accessibility.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The valve gearbox cover is designed as a thin, transparent shell that provides environmental protection without adding significant complexity or weight. The cover encapsulates the valve gearbox, creating a sealed environment that prevents water ingress while maintaining visibility through its transparent material.

Inventive Principle:

Principle #30Flexible shells and thin films

2Reliability

If the valve gearbox cover is made opaque for protection, then weather resistance is improved, but visibility of valve orientation is lost

Engineering Contradiction:

Improveprotection against weatherVSAvoidvisibility of valve orientation

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The valve gearbox cover is made transparent rather than opaque, allowing light to pass through and enabling visual inspection of the valve orientation and internal components. This transparent material provides weather protection while simultaneously maintaining visibility, eliminating the need to choose between protection and information access.

Inventive Principle:

Principle #32Color changes

3Temperature

If the valve gearbox cover is made porous for ventilation, then heat dissipation is improved, but water ingress risk increases

Engineering Contradiction:

Improveheat dissipationVSAvoidprotection against water ingress

Core Design Contradiction:

TemperatureVSReliability

Solution Approach 1:

The valve gearbox cover is designed as a sealed transparent shell that provides complete protection against water ingress. The cover creates a closed environment that prevents moisture entry while the transparency allows for visual monitoring of the valve state, eliminating the need for porous structures that would compromise water protection.

Inventive Principle:

Principle #30Flexible shells and thin films

Data Source

PatentUS11268623B2Valve gearbox cover systems and methods

Publication Date: 2022.03.08 FLINT HILLS RESOURCES LC

AI summary

A valve includes a cover that is transparent and configured to allow a valve orientation to be visible through the valve cover. The cover may couple to existing mounting bolts of the valve operator housing such that the cover may be retrofitted onto existing valves. The cover may be sized and shaped to prevent water, or other weather, ingress into the valve operator housing.