Positive Pressure Blower Frame for Side-Compartment Loading
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Solution Overview
Problem
Existing positive pressure blowers are difficult to move sideways and are challenging to place into or remove from side storage compartments on emergency vehicles due to wheel orientation, leading to potential damage and increased operational time.
Innovation Solution
A support frame with wheels mounted at the lower corners, oriented perpendicular to the air flow, allowing the blower to be easily moved sideways and positioned like a wheelbarrow, facilitating easier placement and removal from compartments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wheels are mounted for forward-backward movement, then the blower can be moved easily in that direction, but the blower must be dragged out of storage compartment and time is wasted
Solution Approach 1:
The patent inverts the movement mechanism by allowing the blower to roll sideways on wheels and tilt forward-backward, rather than rolling forward-backward and dragging sideways. This enables direct rolling into and out of side storage compartments without dragging, significantly reducing loading-unloading time and improving productivity.
2Ease of operation
If wheels are mounted perpendicular to sideways movement, then the blower can be moved forward-backward, but the wheels may be damaged and valuable time is wasted
Solution Approach 1:
The patent inverts the wheel orientation and movement mode so that wheels are mounted perpendicular to air flow (parallel to sideways movement direction). The blower rolls sideways on the wheels during normal operation, and tilts onto the wheels for forward-backward movement. This proper alignment prevents wheel damage from lateral forces and improves reliability.
Data Source
AI summary
The present invention provides support frames for positive pressure blowers having one or more wheels mounted at a lower corner of the frame, wherein the wheels are mounted to roll in a direction that is perpendicular to the flow of air through the blower. This sideways orientation of the wheels allows a frame carrying a blower to be easily moved from side to side, such as when placed into or removed from a side compartment on an emergency vehicle, and allows such a frame carrying a blower to be easily tilted, turned and rolled around at the scene of a fire in much the same manner as a wheelbarrow. Embodiments of the invention may include an upper handle or grip which allows a user to control the frames by tilting and rolling them around on the wheels. Embodiments of the invention may include a support bracket for holding a battery or other power supply.