Multi-Station Direct Steam Cooking for Independent Portion Control
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Solution Overview
Problem
Direct steam cooking is time-consuming and cumbersome for quick-service convenience restaurants and traditional restaurants due to inefficiencies in maintaining a pot of boiling water and the need for manual monitoring to prevent overcooking, while existing indirect steam cookers do not provide the health benefits of direct steam cooking.
Innovation Solution
A steamer system that uses a central steam source to deliver steam on demand to multiple independent cooking stations, allowing for parallel and flexible cooking of different food portions with easy operation and energy efficiency, using open-topped containers with steam nozzles for direct contact steam cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If direct steam cooking is used with a double boiler, then health benefits and even cooking are achieved, but the process is time-consuming and requires manual monitoring
Solution Approach 1:
The system uses automatic sensors and control mechanisms to monitor cooking progress and regulate steam delivery, eliminating the need for manual monitoring by the user while maintaining consistent cooking quality
Solution Approach 2:
The patent replaces manual mechanical control with automated electronic control systems that use sensors to detect cooking status and automatically adjust steam flow, reducing time loss while preserving cooking reliability
2Ease of operation
If a pot of boiling water is maintained for steam generation, then steam is available for cooking, but energy consumption increases and operation becomes cumbersome
Solution Approach 1:
The system generates steam periodically or on-demand based on cooking needs rather than maintaining continuous boiling water, reducing energy consumption while keeping operation simple through automated timing and control
Solution Approach 2:
The patent separates the water reservoir from the cooking chamber, extracting only the necessary steam for cooking rather than maintaining a continuous boil, thereby reducing energy use while simplifying operation through independent control
3Productivity
If indirect steam cooking is used, then cooking efficiency is improved, but health benefits of direct steam cooking are lost
Solution Approach 1:
The system segments the steam generation and delivery process into controlled channels that allow direct steam contact with food while maintaining overall system efficiency through organized steam distribution to multiple cooking stations
4Productivity
If multiple food portions are cooked simultaneously, then productivity increases, but control over individual cooking becomes difficult
Solution Approach 1:
The patent divides the cooking system into multiple independent cooking stations or compartments, each with separate controls, allowing simultaneous cooking of multiple portions while maintaining individual control over each cooking process
Solution Approach 2:
The system incorporates adjustable and dynamic controls that allow the user to independently set and modify cooking parameters for each station, enabling flexible management of multiple cooking operations simultaneously
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
Enables rapid, independent cooking of small batches with minimal labor and energy, while maintaining the health benefits of direct steam cooking, and allowing for flexible equipment arrangement and safe operation.
Implementation Method 1
a steam source in communication with the nozzles for receiving steam and delivering the steam to the cooking stations
Implementation Method 2
direct steam cooking, where the steam cooks by directly contacting the food
Implementation Method 3
the steam cooks by directly contacting the food
Data Source
AI summary
A steamer cooks individual serving portions of food such as oysters and shellfish by direct contact with steam at atmospheric pressure. The steamer uses a boiler and valved piping system including a manifold to deliver steam on demand to each one of plural cooking stations. Each station has a container such as a bucket that receives the steam through a nozzle extending through a hole in the bucket's bottom. The user controls the flow of steam to each cooking station independently, thus allowing multiple serving portions of food to be steamed independently of each other, that is, separately, in parallel, and without regard for the start times and end times of the other serving portions. Preferably individual steam valves, timers and on/off indicators allow the user complete control over cooking times at each cooking station. The steam exiting the buckets and condensate are collected and carried off.