Blower Carrying Unit With Adjustable Air Discharge Control
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Solution Overview
Problem
Existing blower assemblies in landscaping equipment have a fixed discharge conduit orientation, limiting user efficiency in covering large areas and requiring inconvenient movements to adjust air direction, which compromises ground treatment quality.
Innovation Solution
A portable blower assembly with a changeable air control system and actuator system that allows users to selectively adjust the volume and direction of air discharge through movable deflectors and outlets, enabling efficient coverage of large areas without manual reconfiguration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed discharge conduit orientation is used, then the device structure is simple, but the user efficiency and ground treatment quality deteriorate due to limited air direction control
Solution Approach 1:
The discharge conduit is made dynamically adjustable through a movable deflector that can be repositioned by the user during operation. This allows the air discharge direction to be changed without redesigning the entire conduit structure, resolving the contradiction between operational flexibility and structural simplicity.
Solution Approach 2:
The discharge conduit system is segmented into a fixed conduit body and a movable deflector component. This segmentation allows the deflector to be independently adjusted while the main conduit structure remains simple and stable, enabling easy operation without excessive complexity.
2Productivity
If the discharge direction is fixed, then the device structure is simple, but the productivity deteriorates due to repeated parallel movements and reverse drawing
Solution Approach 1:
The deflector is designed to be dynamically adjustable during operation, allowing users to change air discharge direction to match their movement pattern. This eliminates the need for repeated parallel movements and reverse drawing, significantly improving ground treatment efficiency without requiring complex reconfiguration mechanisms.
Solution Approach 2:
The system allows changing the discharge direction parameter by adjusting the deflector angle. This simple parameter change enables users to optimize their working pattern for different terrain conditions, improving productivity without adding complex structural elements.
3Adaptability or versatility
If the air control system is made adjustable, then the versatility improves, but the device complexity increases due to additional control mechanisms
Solution Approach 1:
The air control system uses a simple movable deflector that can be adjusted to different positions, providing versatility in air direction control. The movable design allows easy adaptation to different working conditions without requiring complex control mechanisms or multiple fixed conduit configurations.
Solution Approach 2:
The adjustable deflector serves multiple functions: it can be positioned to discharge air in various directions, adapt to different terrain conditions, and work with different movement patterns. This single multi-functional component provides versatility without significantly increasing device complexity.
4Ease of operation
If the deflector is made movable for quick adjustment, then the ease of operation improves, but the device complexity increases due to the actuator system
Solution Approach 1:
The deflector is designed to be manually adjustable by the user without requiring complex actuators or external assistance. The user can directly reposition the deflector during operation, making the system self-servicing and avoiding the addition of complicated actuator mechanisms while maintaining ease of operation.
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 solution enhances user efficiency by allowing easy and quick adjustments to air direction and volume, reducing the need for inconvenient movements and improving the quality of ground treatment.
Implementation Method 1
A fan assembly generates a supply of pressurized air that is delivered through a conduit assembly at a controlled pressure and flow
Data Source
AI summary
A carrying unit for a source of pressurized air having a frame and at least one wheel on the frame through which the frame can be supported upon and moved over a subj support surface. A conduit assembly is part of a pressurized air handling system on the frame and has an inlet for receiving pressurized air from a source and first and second spaced outlets for discharging pressurized air directed through the inlet. The pressurized air handling system further has an air control system that is changeable selectively into different states. By reason of changing states, the air control system causes at least one of: a) a different volume of air from the inlet to be directed to the first and second outlets; and b) a change in a direction of air discharging from one of the outlets.