Dual-Fuel Cooker Layout for Versatile Grilling and Rotisserie

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Solution Overview

Problem

Most outdoor cookers are designed for a single cooking method, limiting their versatility in grilling, smoking, roasting, or barbecuing.

Innovation Solution

A multi-use cooker with a cooking chamber featuring both charcoal/wood and gas grilling sections, along with a rotisserie rack and burner coil, allowing for various cooking methods such as charcoal-grilling, wood-grilling, smoking, and gas-grilling, as well as rotisserie cooking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If an outdoor cooker is designed for a single cooking method, then the device structure remains simple and easy to manufacture, but the versatility and adaptability of the cooker is limited

Engineering Contradiction:
Improvecooking method versatilityVSAvoidcooker structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The cooker is designed with multiple cooking sections (charcoal grilling section, gas grilling section, smoking section) within a single device, allowing it to perform various cooking methods simultaneously or independently. This multi-functionality approach enables the cooker to adapt to different cooking needs without requiring separate devices for each cooking method.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The cooking chamber is divided into distinct functional sections: a charcoal/wood grilling section, a gas grilling section with burner coil, and a smoking section. Each section can be used independently or in combination, allowing flexible cooking configurations while maintaining an organized structure that manages complexity through functional segmentation.

Inventive Principle:
Principle #1Segmentation

2Productivity

If multiple cooking sections are integrated into one cooker, then cooking flexibility and productivity are enhanced, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:
Improvecooking capacityVSAvoidcooker manufacturing ease
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

Multiple cooking functions (charcoal grilling, gas grilling, smoking) are merged into a single integrated cooking chamber. The burner coil serves dual purposes as both a gas burner and a rotisserie heating element. This merging reduces the need for separate cooking devices while managing manufacturing complexity through shared structural components.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The burner coil is designed to serve multiple functions: direct gas grilling, indirect heating for smoking, and rotation as a rotisserie. This multi-functionality increases cooking productivity and flexibility while avoiding the need for separate heating devices, thereby managing manufacturing complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If a burner coil and rotisserie rack are added to the gas grilling section, then the functionality for rotisserie cooking is enabled, but the device complexity increases

Engineering Contradiction:
Improvecooking method varietyVSAvoidinternal component complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The burner coil serves dual purposes: as a gas burner for direct grilling and as a rotating rotisserie for rotisserie cooking. The rotisserie rack integrates with the burner coil assembly, allowing the same component to support both grilling and rotisserie functions. This reduces the need for entirely separate systems while maintaining versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The rotisserie functionality is merged with the gas grilling section by integrating the rotisserie rack with the burner coil assembly. This combination allows rotisserie cooking to occur within the existing gas grilling infrastructure, managing complexity through functional integration rather than adding completely separate systems.

Inventive Principle:
Principle #5Merging (Combining)

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 flexible and simultaneous cooking of foods using different methods, enhancing the versatility and functionality of outdoor cooking setups.

Implementation Method 1

A burner coil and a rotisserie rack are provided in the gas grilling section

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 2

A charcoal/wood grilling section and a gas grilling section are provided in the cooking chamber interior

Methodology Applied
Scientific EffectCombustion: Combustion

Data Source

PatentUS7540233B1Multi-use cooker
Publication Date: 2009.06.02 GRICE EDDIE D
  • US7540233B1 patent drawing
  • US7540233B1 patent drawing
  • US7540233B1 patent drawing

AI summary

A multi-use cooker is disclosed. The multi-use cooker includes a cooking chamber having a cooking chamber interior. A charcoal/wood grilling section and a gas grilling section are provided in the cooking chamber interior. A burner coil and a rotisserie rack are provided in the gas grilling section.