Dishwasher Rinsing Chamber Opening for Drying and Fluid Reuse
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Solution Overview
Problem
Dishwashers face challenges in reducing energy and water consumption while maintaining high cleaning performance, and existing solutions with external drying systems increase component complexity and cost.
Innovation Solution
A dishwasher design with a dual-function common rinsing container opening for both the storage tank and drying facility, allowing for efficient air dehumidification and fluid management, which reduces energy and water usage by reusing rinsing fluid and simplifying the manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a storage tank is added to intermediately store rinsing fluid, then water and energy demand is reduced, but device complexity increases
Solution Approach 1:
The patent combines the storage tank and drying facility into a single integrated unit, where the storage tank serves dual purposes: storing rinsing fluid and housing the drying facility with sorption material. This merging eliminates the need for separate components, reducing overall device complexity while maintaining water and energy savings benefits
Solution Approach 2:
The storage tank is designed with multi-functionality, serving both as a container for rinsing fluid and as a housing for the drying facility. The common opening in the rinsing container wall provides universal access for both fluid transfer and air circulation, allowing one component to fulfill multiple functions without increasing complexity
2Ease of operation
If two separate rinsing container openings are provided for storage tank and drying facility, then fluid management is improved, but manufacturing complexity increases
Solution Approach 1:
A single common opening in the rinsing container wall serves dual purposes: it allows rinsing fluid to be transferred between the storage tank and rinsing chamber, and simultaneously enables air to circulate to and from the drying facility. This universal opening eliminates the need for separate openings and their associated seals, simplifying manufacturing while maintaining operational effectiveness
Solution Approach 2:
The patent merges the functions of two separate openings into one common opening. This single opening provides fluid communication for the storage tank and air communication for the drying facility, reducing the number of components needed and simplifying the sealing requirements during manufacturing
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 effectively reduces energy and water demand during wash cycles by utilizing a shared opening for both functions, simplifying construction, and maintaining high cleaning performance through efficient air handling and fluid reuse.
Implementation Method 1
A sorption column with a reversibly dehydrogenizable material is provided as the drying facility, said material extracting a quantity of water from the air to be dried and storing the same
Implementation Method 2
The dehumidification of the reversibly dehydrogenizable material of a sorption drying facility
Data Source
AI summary
A dishwasher includes a rinsing container having a rinsing chamber and a drying facility which is provided outside of the rinsing container and fluidically connected to the rinsing chamber for drying air charged with humidity from the rinsing chamber. A storage tank is fluidically connectable with the rinsing chamber for intermediately storing rinsing fluid.