Flushometer Control Stop Adapter for Garden Hose Testing

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Solution Overview

Problem

There is no adapter available in the plumbing field to interconnect a three-quarter inch threaded conduit, such as a standard garden hose, to the one and one-quarter inch threaded coupling of a flushometer's control stop, necessitating complete reassembly and testing of sanitary fixtures, which is time-consuming and inefficient.

Innovation Solution

A conduit adapter is designed to fluidly connect a standard garden hose to a flushometer's control stop, featuring a cylindrical fitting with a hood and male threaded end, allowing temporary water supply for testing and flushing sanitary fixtures without full reassembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a plumber uses a standard garden hose to test sanitary fixtures, then the testing process becomes simpler and faster, but there is no adapter available to connect the hose to the control stop

Engineering Contradiction:
Improvetesting efficiencyVSAvoidcompatibility between hose and control stop
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent introduces an adapter as an intermediary component that bridges the gap between the garden hose (3/4-inch thread) and the control stop (1-1/4-inch thread). This adapter enables fluid connection between two incompatible interfaces, allowing plumbers to use standard garden hoses for testing sanitary fixtures without requiring complete disassembly and reassembly of the system.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the plumber completely disassembles and reassembles the flushometer for testing, then the testing can be performed, but it consumes excessive time and materials

Engineering Contradiction:
Improvetesting capabilityVSAvoidresetting time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The adapter enables preliminary testing to be performed before complete reassembly of the flushometer. By allowing water flow testing through the control stop using a garden hose, the plumber can verify system functionality in advance, avoiding the time-consuming process of complete disassembly and reassembly if testing fails.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If the control stop is used as a water source for various tradesmen, then water availability increases, but no adapter exists to connect standard hoses to the control stop threading

Engineering Contradiction:
Improvewater source accessibilityVSAvoidthreading incompatibility
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adapter transforms the control stop into a universal water source that can accommodate standard garden hoses. This enables multiple tradesmen (tiling, cleaning, HVAC) to access water from the control stop without requiring specialized connections, thereby increasing the versatility and accessibility of the water source for various applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250271084A1Adapter for a control stop of a flushometer
Publication Date: 2025.08.28 WARD JR BARRY LEE
  • US20250271084A1 patent drawing
  • US20250271084A1 patent drawing
  • US20250271084A1 patent drawing

AI summary

A conduit adapter for forming a fluid connection between a three-quarter of an inch conduit and a commercial control stop one and one-quarter of an inch coupling threads. The conduit adapter provides a through bore extend between a first end and a second end of the conduit adapter. The first end has a cylindrical fitting dimensioned and configured to fluidly couple to the coupling threads of the control stop. A hood shrouding approximately half of the cylindrical fitting. The second end comprising a male threaded fitting dimensioned for a three-quarters of an inch female fitting of the standard conduit, such as a garden hose. A valve access opening disposed between the hood and the second end, wherein an operatively associated valve can be fluidly connected to the through bore for selectively controlling flow therethrough.