Multi-Capacity Pressure Washer Pump Paths for Flexible Output
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Solution Overview
Problem
Existing pressure washing machines lack the ability to efficiently switch between different water flow and pressurization paths to adapt to various cleaning tasks, often requiring high power consumption and lacking flexibility in output capacity.
Innovation Solution
A pressure washer apparatus with multiple output capacities defined by distinct water flow or pressurization paths, allowing operators to switch between or combine these paths to vary pressurized water output, featuring a frame, electric motor, pump, sprayer, and auxiliary output modalities to achieve high power efficiency and low power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single high-power pump is used to provide sufficient cleaning capacity for all tasks, then the machine can handle both light and heavy-duty cleaning, but the power consumption increases and the machine becomes less efficient for light-duty residential use
Solution Approach 1:
The pump system is segmented into a primary pump and a secondary pump, allowing independent operation of each pump. The primary pump handles light-duty residential cleaning tasks, while the secondary pump is activated only when heavy-duty commercial cleaning requires additional pressure and flow capacity, thereby reducing overall power consumption for lighter tasks
Solution Approach 2:
The system dynamically adjusts its operational configuration by selectively activating or deactivating pumps based on the cleaning task requirements. The control system monitors task demands and dynamically switches between single-pump and dual-pump modes, optimizing power consumption while maintaining adaptability across different cleaning scenarios
2Productivity
If multiple pumps are used to provide high flow rates for commercial use, then the cleaning capacity increases, but the device complexity and initial power requirements increase
Solution Approach 1:
The primary and secondary pumps are merged into a unified pump system with shared components including a common drive mechanism, integrated control system, and unified outlet. This merging approach enables the system to achieve high flow rates when both pumps operate together for commercial applications, while maintaining manageable complexity through shared infrastructure rather than completely separate pump systems
3Stress or pressure
If a single pump operates at high power to meet peak demand, then sufficient pressure is provided for all cleaning tasks, but the pump efficiency decreases during low-demand periods
Solution Approach 1:
Instead of always operating the primary pump at high power to meet peak demand, the system applies partial action by using only the necessary pump capacity for each task. The secondary pump provides additional pressure only when peak demand occurs, allowing the primary pump to operate efficiently at lower power levels during normal residential cleaning, thereby reducing energy loss
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 flexible cleaning capabilities with adjustable pressure and flow rates, suitable for both residential and commercial use, while maintaining high efficiency and reducing power consumption.
Implementation Method 1
an electric motor secured to the frame for generating mechanical power
Implementation Method 2
a pump secured to the frame that receives water from the water inlet and mechanical power from the electric motor and generates pressurized water having a first increased pressure
Data Source
AI summary
A pressure washer apparatus can have multiple output capacities defined by distinct water flow or pressurization paths. An operator can switch between flow or pressurization paths to vary pressurized water output, or combine multiple flow or pressurization paths to further vary pressurized water output. Different pressurized water outputs can have different fluid pressures, differing fluid flow rates, or the like, or a suitable combination of the foregoing. Some pressure washer apparatuses can achieve multiple output capacities while preserving a high power efficiency. Such an apparatus can be suitable for an electric powered device having relatively low power consumption yet favorable washing performance.