Safety shower

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Solution Overview

Problem

Conventional mobile safety showers are dependent on external power sources, cumbersome to move, and unable to function during power failures, making them inaccessible and inefficient for emergency cleansing in hazardous material exposure situations.

Innovation Solution

A self-contained, portable safety shower system with a water tank that uses gravity to supply water, integrated framing for easy setup, and a heating system with redundant heating elements to ensure functionality without external power, along with a containment system for contaminated water.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional mobile safety showers use external power sources and water pumps, then water can be supplied to the showerhead, but the system becomes dependent on external power and unusable during power failures

Engineering Contradiction:

Improvefunctionality during power failureVSAvoiddependence on external power

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The safety shower system uses gravity-fed water supply from an elevated storage tank, eliminating the need for external power sources or water pumps. The system serves itself by utilizing natural gravitational force to deliver water to the showerhead, ensuring continuous operation during power failures.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the mechanical water pump system (requiring electrical power) with a gravity-based water delivery system. The elevated storage tank creates hydrostatic pressure to force water through the showerhead without any moving mechanical parts or external energy input.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of operation

If conventional mobile safety showers are designed with water storage tanks and pumping systems, then water can be delivered, but the devices become cumbersome and difficult to move or reposition

Engineering Contradiction:

ImproveportabilityVSAvoidweight of safety shower

Core Design Contradiction:

Ease of operationVSWeight of moving object

Solution Approach 1:

The safety shower system is divided into separable components including the storage tank, framing structure, showerhead assembly, and containment system. This segmentation allows the unit to be disassembled for easy transport and reconfiguration at different locations while maintaining full functionality when assembled.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent employs lightweight, collapsible water storage tanks and flexible containment bags for contaminated water. These flexible elements reduce the overall weight and bulk of the system when not in use, significantly improving portability compared to rigid traditional designs.

Inventive Principle:

Principle #30Flexible shells and thin films

3Productivity

If conventional safety showers require substantial setup and take down procedures, then water supply can be ensured, but the system becomes time-consuming to deploy in emergency situations

Engineering Contradiction:

Improvespeed of deploymentVSAvoidsetup procedures

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The safety shower system is pre-assembled with the storage tank elevated and water supply lines pre-connected to the showerhead. The integrated framing structure holds all components in their operational positions beforehand, allowing immediate deployment upon arrival at the incident scene without complex assembly procedures.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent combines the water storage tank, support structure, showerhead, and contamination containment system into a single integrated unit. This merging of functions into one cohesive system eliminates the need for multiple separate setup procedures, reducing deployment time and operational complexity.

Inventive Principle:

Principle #5Merging (Combining)

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 system provides efficient, portable, and reliable emergency cleansing capabilities, enabling easy setup and operation in various locations, including during power outages, with safe disposal of hazardous waste.

Implementation Method 1

a heating system with redundant heating elements to ensure functionality without external power

Methodology Applied

Scientific EffectJoule heating: Joule Heating

Implementation Method 2

uses gravity to supply water

Methodology Applied

Scientific EffectGravity: Gravitation

Data Source

PatentUS20250318694A1Safety shower

Publication Date: 2025.10.16 QUALITY ELECTRICAL SYSTEMS INC

AI summary

A safety shower including, a portable shower enclosure having a ceiling, a floor and a plurality of walls. The shower enclosure may also include a shower compartment and a water tank compartment positioned above the shower compartment. The water tank compartment may house a water tank, configured to retain water, that is fluidically connected to a showerhead that is positioned within the shower compartment, such that the showerhead can dispense water from the water tank. A heating system may be located in the shower compartment and configured to raise the temperature of ambient air within the shower compartment and raise the temperature of water stored in the water tank, and the heating system may include at least one heating element.