Extraction Cleaner On-Demand Solution Mixing for Diverse Soil Types
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Solution Overview
Problem
Conventional surface treatment apparatuses, such as extraction cleaners, face limitations in effectively cleaning surfaces with diverse soil types and require separate storage and mixing of cleaning solutions to maintain stability and optimize cleaning performance.
Innovation Solution
The extraction cleaner employs two separate tanks for storing cleaning solutions with different pH levels, allowing on-demand mixing of a basic aqueous cleaning solution and an acidic oxidizing solution, which are selectively distributed through nozzles on the device, enabling targeted cleaning and preserving the stability of the solutions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cleaning solutions are stored separately in two tanks, then solution stability is maintained and cleaning performance is optimized, but device complexity increases
Solution Approach 1:
The cleaning system is divided into two separate storage tanks - one for basic aqueous cleaning solution and one for acidic oxidizing solution. This segmentation maintains the chemical stability of each solution independently while enabling their combination during operation. The dual-tank configuration prevents unwanted chemical reactions that would occur with pre-mixed solutions, thereby maintaining reliability.
Solution Approach 2:
The extraction cleaner is designed with multi-functionality by incorporating both basic and acidic cleaning solutions in separate tanks, allowing the single device to handle diverse soil types and cleaning requirements. The system can selectively apply different solution combinations for different cleaning scenarios, optimizing performance across multiple applications.
2Adaptability or versatility
If cleaning solutions are mixed on-demand, then cleaning performance is optimized for diverse soil types, but time is required for mixing
Solution Approach 1:
The system employs dynamic solution mixing where the basic and acidic solutions are combined on-demand during operation rather than being pre-mixed. This dynamic approach allows the cleaning system to adapt to different soil types and cleaning requirements by adjusting the solution composition in real-time, enhancing versatility while minimizing wasted time through automated mixing during the cleaning process.
3Stability of the object's composition
If separate tanks are used for storage, then solution stability is maintained, but the device requires more space
Solution Approach 1:
The dual-tank configuration is designed with nested or space-efficient positioning where the two storage tanks are arranged to minimize overall device volume. The tanks are integrated into the device structure in a compact manner, allowing separate storage of basic and acidic solutions while maintaining a space-efficient footprint suitable for portable cleaning applications.
Data Source
AI summary
An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and/or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and/or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve. A cleaning composition including an aqueous based cleaning solution mixed, on demand, with an aqueous based oxidizing solution is also provided.