Spray Generation Apparatus with Detent Knob and Resistor Control

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Solution Overview

Problem

Existing spray machines lack flexible control options, limiting their versatility and efficiency in various applications, such as gardening, pest control, and environmental protection.

Innovation Solution

A spray generation apparatus with a housing, knob, resistor device, motor, and motor controller, allowing for adjustable spray patterns and pressure settings through rotatable detent positions and an elastic member for smooth operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the spray machine uses fixed control settings, then the device complexity is reduced, but the adaptability and versatility are limited

Engineering Contradiction:
Improvespray pattern adjustabilityVSAvoidcontrol mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic control by allowing the spray pattern to be adjusted between multiple modes (full cone, half cone, flat fan, mist) through a rotatable control mechanism. This enables the spray characteristics to adapt to different application requirements while maintaining a relatively simple overall device structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention changes the spray parameters (pattern type, droplet size, distribution) by rotating the control mechanism to different positions, which adjusts the internal flow channels and nozzle configuration. This allows multiple spray patterns to be achieved from a single nozzle assembly without adding complex interchangeable components.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If the spray machine provides multiple spray patterns, then the versatility is improved, but the ease of operation becomes more complex

Engineering Contradiction:
Improvespray mode varietyVSAvoidcontrol adjustment simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The control mechanism is designed as a simple rotatable dial with clearly marked positions for different spray patterns (full cone, half cone, flat fan, mist). Users can easily switch between modes by rotating the dial to the desired position, making the operation intuitive and simple despite offering multiple spray patterns.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control mechanism includes visual indicators or tactile feedback that confirm when the dial is properly positioned for the desired spray pattern. This feedback ensures users can accurately select the intended mode without confusion, maintaining ease of operation even with multiple available patterns.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If the spray machine uses a simple control mechanism, then the ease of operation is improved, but the manufacturing precision requirements are reduced

Engineering Contradiction:
Improvecontrol adjustment easeVSAvoiddetent position accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The control mechanism incorporates detent positions with spring-loaded engagement features that provide tactile feedback and precise positioning. These pre-designed engagement points ensure accurate reproduction of spray patterns by mechanically guiding the control dial to exact positions, compensating for variations in manufacturing tolerances.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The detent positions are engineered to provide discrete, reproducible settings for the spray parameters. By using mechanical engagement features rather than continuous adjustment, the system achieves precise parameter control through standardized positioning points that are easier to manufacture with acceptable tolerances.

Inventive Principle:
Principle #35Parameter changes

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 apparatus provides enhanced versatility and efficiency by allowing users to adjust spray settings easily, improving task outcomes and extending the machine's usefulness across different applications.

Implementation Method 1

a motor and a motor controller, wherein the motor controller controls the motor to generate a first spray with a first spray output pattern

Methodology Applied
Scientific EffectElectromagnetic conversion: Electromagnetic Induction

Implementation Method 2

The resistor device is disposed inside the housing. The connector is attached to the resistor device. The motor controller controls the motor to generate a first spray with a first spray output pattern when the resistor device generates a first voltage value

Methodology Applied
Scientific EffectElectrical resistance: Electrical Resistance

Data Source

PatentUS20250073730A1Spray generation apparatus
Publication Date: 2025.03.06 GLOBE (JIANGSU) CO LTD
  • US20250073730A1 patent drawing
  • US20250073730A1 patent drawing
  • US20250073730A1 patent drawing

AI summary

A spray generation apparatus includes a housing, knob, a resistor device, a motor and a motor controller. The knob includes an open bottom and a connector extending in a direction of the open bottom. The housing includes an aperture for the connector to pass through. The housing includes a first detent position and a second detent position. The knob is capable of being rotated to the first detent position or the second detent position. The resistor device is disposed inside the housing. The connector is attached to the resistor device. The motor controller controls the motor to generate a first spray with a first spray output pattern when the resistor device generates a first voltage value and the knob is at the first detent position.