Spray Dispenser Light Emitter for Nozzle Direction
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Solution Overview
Problem
Existing light emitting fluid spraying devices lack a clear indication of the direction of fluid spray, making it difficult for users to accurately aim the nozzle.
Innovation Solution
A fluid ejecting apparatus with a pump and actuator system integrated with a light emitting apparatus, where light emitting diodes are activated when the actuator is depressed, providing directional guidance by emitting light in the same direction as the fluid spray.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional spray dispenser is used, then the device structure remains simple, but the user cannot accurately locate or aim the nozzle for fluid ejection
Solution Approach 1:
The patent applies light emission (optical property change) to indicate the nozzle direction. Light emitting diodes are positioned to illuminate the nozzle area, making it visually detectable and easier to aim, while adding minimal structural complexity through integrated LED components.
Solution Approach 2:
The patent introduces light as an intermediary signal between the actuator mechanism and the user's visual system. The light emits from the actuator body to indicate nozzle direction, serving as a mediator that bridges the mechanical ejection system and user guidance without requiring direct visual inspection of the nozzle.
2Loss of information
If light emitting diodes are integrated into the actuator body, then the nozzle direction is clearly indicated, but the device complexity increases
Solution Approach 1:
The patent merges the light emitting function with the existing actuator body structure. The light emitting diodes are integrated into the actuator housing, combining illumination functionality with the mechanical actuation component, thereby reducing overall device complexity compared to separate indicator systems.
Solution Approach 2:
The actuator body serves multiple functions: mechanical actuation for fluid ejection and optical signal emission for direction indication. By making the actuator body multi-functional, the patent eliminates the need for separate indicator components, reducing structural complexity while maintaining clear direction information.
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 users to easily locate and aim the nozzle before fluid ejection, improving the accuracy and convenience of spraying fluids like perfumes by illuminating the direction of the nozzle.
Implementation Method 1
A light emitting apparatus is mounted in the fluid ejecting system and emits light when the actuator is depressed
Data Source
AI summary
A spray dispenser and light emitting combination assembly includes a fluid ejecting apparatus that includes a pump and an actuator that is fluidly coupled to the pump. An inlet tube is fluidly coupled to the pump and an outlet tube is fluidly coupled to the pump. The outlet tube has a free end defining a nozzle. The nozzle is positioned in the actuator. The actuator actuates the pump when the actuator is depressed to draw fluid into the inlet tube and eject the fluid outwardly of the nozzle. A container is threadably coupled to the fluid ejecting apparatus. The inlet tube extends into an interior of the container and the nozzle is positioned outside of the container. A light emitting apparatus is mounted in the fluid ejecting system and emits light when the actuator is depressed.