Spinner Tip With Offset-Flow Rotor for Spray Adjustment
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Solution Overview
Problem
Current nozzle designs for hydrovacing and hydro blasting lack rotatable features and adjustable rotation speeds, limiting their effectiveness and adaptability to varying job conditions.
Innovation Solution
A spinner tip design featuring a rotor mounted within a drive chamber with offset openings for fluid flow, adjustable fluid bypass, and a rotor that rotates due to fluid dynamics, allowing for adjustable rotation speeds and spray angles through mechanisms like angle locks and adjustable sleeves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional fixed nozzle design is used, then the structure is simple, but the adaptability to varying job conditions is poor
Solution Approach 1:
The nozzle incorporates a rotor that can rotate about its axis, transforming a static nozzle into a dynamic one. The rotor's rotation is controlled by fluid flow through tangential openings, allowing the spray pattern to be dynamically adjusted between concentrated and dispersed modes, thereby improving adaptability to different job conditions.
Solution Approach 2:
The nozzle is designed to perform multiple functions: it can operate in a fixed position for concentrated spraying, or rotate to provide dispersed spraying. The angle lock mechanism and adjustable sleeve allow the nozzle to adapt to various operational requirements, making it a universal tool for different hydrovacing and hydro blasting applications.
2Productivity
If a rotatable nozzle with adjustable rotation speeds is implemented, then the productivity and flexibility are enhanced, but the device complexity increases
Solution Approach 1:
The rotation mechanism is driven purely by hydraulic principles. Fluid flowing through the tangential openings creates a reaction force that rotates the rotor, eliminating the need for external motors or complex mechanical drive systems. This hydraulic actuation method enhances productivity while keeping the overall device complexity manageable.
Solution Approach 2:
The nozzle allows for parameter changes in rotation speed and spray angle through the adjustable sleeve and angle lock mechanism. By modifying the fluid flow parameters and rotor position, the system can optimize productivity for different applications without requiring multiple specialized nozzles.
3Speed
If offset openings are used to introduce rotation, then the rotation speed is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The tangential openings are deliberately positioned asymmetrically relative to the rotor axis, creating an offset that generates rotational motion. This asymmetric design is intentionally built into the manufacturing process, and while it requires precision, the use of standard machining techniques and jigs makes it achievable. The asymmetric opening arrangement is key to achieving reliable rotation at the desired speed.
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 adaptable and efficient operation by allowing for adjustable rotation speeds and spray angles, enhancing productivity and flexibility in hydrovacing and hydro blasting applications.
Implementation Method 1
the one or more openings each defining an opening axis, the opening axis of each of the one or more openings being at least partially offset from the bore axis to introduce rotation of fluid in the drive chamber
Implementation Method 2
a rotor rotatably mounted within the drive chamber, the rotor providing a fluid connection between the drive chamber and a tip on the rotor
Data Source
AI summary
There is provided a spinner tip for hydrovacing or hydro blasting. The spinner tip comprises an inlet. The inlet has an inlet housing and a bore defining a bore axis. The assembly further comprises a drive chamber in fluid connection with the bore, and one or more openings each providing a fluid connection between the bore and the drive chamber. The one or more openings each define an opening axis. The opening axis of each of the one or more openings is at least partially offset from the bore axis to introduce rotation of fluid in the drive chamber. The assembly further comprises a rotor rotatably mounted within the drive chamber. The rotor providing a fluid connection between the drive chamber and a tip on the rotor.