Multizone oven with improved cleaning distribution
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Solution Overview
Problem
Existing multizone ovens face challenges in efficiently cleaning the cavity and jet plates, and in providing uniform steam generation and sealing between cooking chambers.
Innovation Solution
The oven design includes pressurized cleaning spray inlet ports in the removable jet plates for direct cleaning, small air holes in the baffle wall for improved suds production, a spray diverter for effective cleaning solution distribution, and separate motors for independent control of steam generation and convection blower speed. Additionally, an improved front gasket provides enhanced sealing, and separate drain tubes ensure uniformity between cooking chambers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If jet plates are cleaned by removal from the oven cavity, then cleaning access is improved, but loss of time and operational efficiency deteriorate
Solution Approach 1:
A cleaning fluid delivery system acts as an intermediary to bring cleaning agents directly to the jet plates through inlet ports, eliminating the need for physical removal while maintaining effective cleaning capability
Solution Approach 2:
The jet plates are equipped with self-cleaning capability through integrated inlet ports that allow cleaning fluid to be delivered directly to them, enabling them to clean themselves without external intervention or removal
2Manufacturing precision
If steam generation and convection blower are controlled by separate motors, then control precision and steam generation consistency improve, but device complexity increases
Solution Approach 1:
The control system is segmented into separate motors for steam generation and convection blower, allowing independent control of each function to achieve precise steam generation consistency while maintaining operational simplicity through modular design
3Productivity
If cleaning spray is directed into jet plate interior through inlet ports, then cleaning effectiveness improves, but risk of water damage to electronics worsens
Solution Approach 1:
Electronic components are extracted and positioned outside the jet plate interior cavity, separating them from the cleaning spray zone while maintaining functional integration, thus protecting electronics from water damage during cleaning operations
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
This design enhances cleaning efficiency by allowing pressure cleaning of jet plates without removal, improves steam generation consistency, and ensures effective sealing and uniformity between cooking chambers, thereby improving overall oven performance.
Implementation Method 1
directing pressurized cleaning spray into the jet plates while installed within the oven through cleaning spray inlet ports
Implementation Method 2
providing small air holes in the baffle wall of the upper jet plate. By providing small air holes, an increased amount of airflow is provided upward to the pool of cleaning fluid when the blower is on to produce more trapped air in the form of soap bubbles
Implementation Method 3
small holes in the top wall of the upper jet plates, directly in front of the spray outlet, to allow for the atomization of water from the cleaning jet spray into the interior of the jet plates (when the jet spray is directed into an upper surface of the top wall of the upper jet plates) by low pressure venturi drawing water through the holes
Implementation Method 4
a steam generator in each of the multiple cooking cavities and having a water source and a steam heater controlled by the controller to introduce steam into selective cooking cavities
Implementation Method 5
a set of fans circulating air independently through the cooking cavities in isolation from the other cooking cavities
Implementation Method 6
each cavity provides a separate heater and a thermal sensor
Data Source
AI summary
A multi cavity oven provides improved cavity and jet plate cleaning by directing pressurized cleaning spray into the jet plates while installed within the oven through cleaning spray inlet ports in the walls of the removable jet plates. By directing cleaning spray directly into the interior of the jet plates, cooking juices that fall through the slots and openings and into the air passageway of the jet plates can be pressure cleaned and drained from the interior of the jet plates without removing the jet plates from the oven cavity.