Spraying Device Adjustable Nozzle Unit Viscosity Adaptation
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Solution Overview
Problem
Existing spray devices require multiple nozzle units to effectively spray fluids with different viscosities, leading to inefficiencies and inability to achieve the required spray pattern with the wrong nozzle unit.
Innovation Solution
A spray device with a single nozzle unit that can switch between two spray states by adjusting the nozzle parameter, allowing it to efficiently spray both low and high viscosity fluids using a single unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple nozzle units are used to spray fluids with different viscosities, then the required spray pattern can be achieved for each fluid type, but the device complexity increases and operational efficiency decreases
Solution Approach 1:
The nozzle unit is designed with adjustable parameters that allow it to perform multiple functions by adapting to different fluid viscosities. The nozzle can be configured to spray low viscosity fluids (like water-based paints) and high viscosity fluids (like varnishes) using the same physical component, eliminating the need for multiple specialized nozzle units while maintaining the required spray pattern quality for each fluid type
Solution Approach 2:
The invention changes operational parameters of the nozzle unit (such as opening size, air pressure, or flow characteristics) to adapt the spray performance to different fluid viscosities. By adjusting these parameters, the same nozzle unit can achieve optimal spray patterns for both low and high viscosity fluids, resolving the contradiction between spray quality and device complexity
2Reliability
If multiple nozzle units are used for different fluid viscosities, then the spray requirements for each fluid are met, but the ease of operation decreases due to frequent nozzle changes
Solution Approach 1:
The nozzle unit is designed with adjustable parameters that allow it to perform multiple functions by adapting to different fluid viscosities. The nozzle can be configured to spray low viscosity fluids (like water-based paints) and high viscosity fluids (like varnishes) using the same physical component, eliminating the need for multiple specialized nozzle units while maintaining the required spray pattern quality for each fluid type
Solution Approach 2:
The nozzle unit incorporates dynamic adjustment capabilities that allow real-time modification of spray parameters during operation. This enables the nozzle to adapt to different fluid viscosities without requiring physical replacement, maintaining optimal spray patterns while improving operational efficiency through a single versatile component
3Device complexity
If a single nozzle unit is used for all fluid viscosities, then the device complexity is reduced, but the ability to achieve required spray patterns deteriorates
Solution Approach 1:
The invention changes operational parameters of the nozzle unit (such as opening size, air pressure, or flow characteristics) to adapt the spray performance to different fluid viscosities. By adjusting these parameters, the same nozzle unit can achieve optimal spray patterns for both low and high viscosity fluids, resolving the contradiction between spray quality and device complexity
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 efficient spraying of both low and high viscosity fluids using a single nozzle unit, improving operational efficiency and reducing the need for multiple nozzle units.
Implementation Method 1
a pressure generating unit (13) for generating a fluid flow
Implementation Method 2
a nozzle unit (17) for dispensing a fluid, in particular along a dispensing axis
Data Source
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AI summary
The invention relates to a spray device, in particular for spraying a fluid, comprising a pressure-generating unit (13) for generating a fluid flow, a drive unit (15), in particular an electronically commutated drive unit, for driving the pressure-generating unit (13), a machine housing (51), a nozzle unit (17), in particular having a nozzle opening (27), for dispensing a fluid along a dispensing axis (Aa), and a holding element (101) for holding the nozzle unit (17), in particular in a form-fitting manner. It is proposed that the spray device comprise a spring element (103), in particular formed integrally with the holding element (101), for adjusting the nozzle unit (17), in particular a nozzle parameter of the nozzle unit (17), wherein the spring element (103) extends perpendicular to the dispensing axis (Aa).