Integrated Zone Valve Filtration for Stable Pressure Control
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Solution Overview
Problem
Existing irrigation zone control assemblies are space-constrained, inefficient, and prone to leaks, with multiple components increasing installation complexity and maintenance challenges.
Innovation Solution
A compact, integrated zone control device that combines a valve, filter, and pressure regulator, with the pressure regulator positioned downstream of the filter to avoid interference from debris buildup, facilitating efficient fluid flow and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate components (valve, filter, pressure regulator) are used in a zone control assembly, then each component can perform its specific function independently, but the assembly occupies excessive space in the valve box and increases installation complexity
Solution Approach 1:
The patent combines the valve, filter, and pressure regulator into a single integrated zone control device with a common housing. This merging of previously separate components reduces the overall space occupied in the valve box while maintaining all necessary functions. The integrated design allows these components to work together in a compact arrangement that fits within standard valve box dimensions.
Solution Approach 2:
The common housing serves multiple functions simultaneously: it provides structural support for all components, acts as a protective enclosure, facilitates unified installation, and enables coordinated operation of the valve, filter, and pressure regulator. This multi-functionality reduces the need for separate housings and mounting structures, thereby saving space.
2Ease of repair
If multiple separate components are spaced along the pipe, then each component has adequate space for maintenance, but the arrangement increases installation complexity and cost
Solution Approach 1:
The integrated design consolidates multiple components into a single maintainable unit. The common housing provides unified access points for maintenance operations, and the compact arrangement simplifies installation to a single assembly operation rather than multiple separate installations, thereby reducing installation complexity and cost.
3Device complexity
If the pressure regulator is positioned upstream of the filter, then the arrangement is simpler, but debris buildup in the filter interferes with pressure regulation
Solution Approach 1:
The patent inverts the conventional arrangement by positioning the pressure regulator downstream of the filter rather than upstream. This reversal ensures that the pressure regulator receives clean, filtered water, preventing debris interference with pressure regulation. The integrated housing accommodates this inverted arrangement without increasing complexity.
4Reliability
If numerous components and passageways are used in the zone control assembly, then each function is performed, but water flow efficiency decreases due to pressure loss
Solution Approach 1:
The integrated design with internal fluid passages eliminates multiple external connections and reduces the total length of fluid flow path. By containing all fluid passages within the common housing and eliminating redundant connections between separate components, the patent reduces friction losses and pressure drop, thereby improving water flow efficiency while maintaining all necessary functions.
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 integrated device ensures efficient pressure regulation, reduces installation complexity, and maintains optimal performance even with clogged filters, while allowing for easy maintenance and component replacement.
Implementation Method 1
A filter removes the sediment and debris from the water to protect the irrigation system
Implementation Method 2
regulates the pressure of the water prior to delivering the water to the sprinklers
Data Source
AI summary
Zone control devices that integrate a valve, filter, and pressure regulator within a single device are provided. Specifically, the zone control devices include a main body having a base portion with an inlet passage and an outlet passage attachable to a conduit and a body portion extending from the base portion having an interior for receiving a filter. The zone control devices further include a valve bonnet including a solenoid bowl for attaching a solenoid. In some embodiments, an adapter removably couples the valve bonnet to the main body of the zone control device and forms an interface between the valve bonnet and the main body to operate the valve. The zone control devices also may include a pressure regulator in the vent flow path positioned in a vent flow path of the valve bonnet downstream of the solenoid for regulating pressure at the valve. In embodiments, the vent flow path is positioned to vent fluid into the main body downstream of the filter.