Rotary Sprinkler Nozzle Assembly with Integrated Pressure Regulator
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Solution Overview
Problem
Existing sprinkler systems require replacement of the entire unit for pressure regulation installation or replacement, making it inconvenient for installation and maintenance.
Innovation Solution
Incorporating a pressure regulator into the nozzle assembly of a rotary-driven sprinkler, combined with a reference pressure chamber and a biasing member to control a movable pressure-responsive valve for flow throttling and regulation, allowing for pressure maintenance and flow adjustment within the nozzle assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If pressure regulation is provided at an inlet in the base of the sprinkler, then pressure regulation function is achieved, but the entire sprinkler must be replaced for installation or replacement of pressure regulation elements
Solution Approach 1:
The sprinkler system is divided into separate functional modules: a base sprinkler unit and a removable nozzle assembly containing the pressure regulator. The nozzle assembly can be independently installed or replaced without replacing the entire sprinkler, resolving the contradiction between ease of maintenance and device complexity.
Solution Approach 2:
The pressure regulator is designed with a movable pressure responsive member that can dynamically adjust the throttling valve position based on pressure conditions, enabling easy replacement of the entire nozzle assembly while maintaining complex pressure control functionality.
2Ease of operation
If a pressure regulator is incorporated into the nozzle assembly, then easy installation and replacement is enabled, but the device structure becomes more complex
Solution Approach 1:
The pressure regulator, throttling valve, and nozzle are merged into a single integrated nozzle assembly that functions as one replaceable unit. This combining approach simplifies installation and replacement operations while consolidating the complex internal structure into a modular component.
Solution Approach 2:
The nozzle assembly serves multiple functions simultaneously: it provides the nozzle opening for water discharge, houses the pressure regulation mechanism, and includes the throttling valve for flow control. This multi-functionality reduces the number of separate components needed.
3Reliability
If flow throttling is provided to reduce flow when pressure exceeds reference pressure, then pressure control is improved, but the device requires additional components
Solution Approach 1:
The pressure regulator uses a pressure responsive member that automatically responds to pressure changes and actuates the throttling valve without external control. The system self-regulates by comparing inlet pressure with reference pressure and adjusting flow accordingly, eliminating the need for external control mechanisms.
Solution Approach 2:
The pressure regulator incorporates a feedback mechanism where the pressure responsive member continuously monitors the pressure differential between the inlet and reference pressure chambers, and automatically adjusts the throttling valve position to maintain desired pressure levels.
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
Enables easy installation and replacement of pressure regulation components, maintaining consistent nozzle discharge pressure and flow control without shutting off the water supply, improving system efficiency and accessibility.
Implementation Method 1
a biasing member enclosed to bias a movable pressure responsive member
Implementation Method 2
upstream pressure balanced flow throttling valve
Data Source
AI summary
A rotary sprinkler in accordance with an embodiment of the present disclosure includes a riser with a nozzle assembly rotatable mounted thereon. The nozzle assembly includes a pressure regulator and flow control element.