Cordless Vacuum Blower Power Management for Harsh Environments
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Solution Overview
Problem
Existing vacuum cleaners and blowers are not suited for heavy-duty use in harsh environments, are not weather-resistant, and suffer from power consumption inefficiencies, particularly during start-up, and have limitations with corded designs and battery operation.
Innovation Solution
A heavy-duty air flow-producing device with a housing, motor, fan, and battery support, featuring contaminant-resistant vents, multiple battery ports, and independent charging circuits, along with a remote control for power management and efficient power distribution, allowing operation on both batteries and line power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing vacuum cleaners are designed for portability with corded operation, then they can be moved to different locations, but they require long power cords that are cumbersome and limit the area that can be vacuumed
Solution Approach 1:
The patent extracts the power source dependency from the vacuum cleaner by using a battery-powered motor instead of requiring connection to external power outlets. This eliminates the need for long power cords and their associated management issues, while maintaining portability.
2Duration of action of moving object
If existing vacuum cleaners use line power, then they have unlimited operation time, but they are restricted to areas near fixed power outlets
Solution Approach 1:
The vacuum cleaner is designed with dual power source capability, supporting both battery operation for portable use and line power connection for extended operation. This multi-functionality allows the device to adapt to different usage scenarios and locations without restriction.
3Power
If the electric motor is designed for high power output, then it can generate strong vacuum, but it consumes excessive power during start-up
Solution Approach 1:
The patent implements a controlled start-up sequence where the motor is gradually brought to operating speed rather than immediately reaching full power. The controller manages the motor activation to reduce peak current draw during start-up, allowing strong vacuum performance during operation while minimizing excessive power consumption during the transition phase.
4Reliability
If existing vacuum cleaners are designed for indoor use, then they have protected components, but they cannot withstand harsh outdoor conditions including weather and contaminants
Solution Approach 1:
The housing and protective components are constructed using weather-resistant materials that can withstand outdoor conditions including rain, sunlight, and temperature variations. The housing defines protected chambers for electrical components while maintaining environmental durability, combining indoor-level component protection with outdoor environmental adaptability.
5Reliability
If the housing is designed to protect internal components, then components are shielded from damage, but the housing adds weight to the device
Solution Approach 1:
The housing provides targeted protection only to the electrical components and internal mechanisms that require shielding, rather than uniformly thick walls throughout. The housing defines specific protected chambers for sensitive components while using thinner or more open structures in areas where protection is less critical, reducing overall weight while maintaining necessary component protection.
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 device withstands impacts, protects against weather and contaminants, reduces power consumption, and extends battery life through efficient charging and power management, enabling reliable operation in harsh conditions.
Implementation Method 1
the motor is selectively connectable with a power source to drive the air flow-generating mechanism to create a vacuum within the passageway
Data Source
AI summary
Electrical components and vacuums. In some aspects, the invention provides an electrical component including a housing defining a passageway, a motor supported by the housing, the motor being selectively electrically connectable with a power source, a fan connected to the motor and operable to generate an airflow through the passageway, an electrical circuit supported by the housing, the electrical circuit being selectively electrically connectable with the power source, and a power-tool battery electrically connectable with the electrical circuit such that power is selectively transferred between the battery and the electrical circuit, the battery being connectable to the housing. In some aspects, the invention provides a vacuum.