Sliding Refractory Vault for Flexible Wood-Fired Oven Heating

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing wood-fired ovens either lack the long-lasting heat generation of vaulted ovens or the portability of those without a vault, as they are typically constructed with a fixed baking chamber that cannot be easily modified for optimized heat distribution.

Innovation Solution

A wood-fired oven design featuring a baking chamber with a refractory, vaulted stone that is slidably mounted within the furnace housing, allowing the vault to be inserted and positioned to optimize heat distribution, with the vault being at least 10% shorter than the oven length, enabling simultaneous firing and baking in multiple levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed baking chamber is used in traditional wood-fired ovens, then the structure is simple and easy to manufacture, but the heat distribution cannot be optimized for different cooking methods

Engineering Contradiction:
Improveheat distribution optimizationVSAvoidoven structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The vaulted stone is made movable within the baking chamber, allowing it to be positioned at different locations to optimize heat distribution for various cooking methods. This dynamic element transforms a static oven structure into an adaptable system that can be configured for different culinary needs.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The baking chamber is divided into zones by the movable vaulted stone, creating distinct areas for different cooking functions. The stone acts as a separable element that segments the chamber to control heat flow and create optimal cooking environments for different food types.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a vaulted stone is added to optimize heat distribution, then cooking versatility improves, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:
Improvecooking method flexibilityVSAvoidoven assembly
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The vaulted stone is designed as a movable component rather than a fixed structural element, enabling it to be installed and repositioned without complex manufacturing processes. This approach maintains ease of manufacture while achieving cooking versatility.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the vaulted stone is made movable for flexible heat distribution, then cooking adaptability improves, but the reliability of heat retention may deteriorate

Engineering Contradiction:
Improveheat distribution controlVSAvoidheat retention
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The movable vaulted stone allows the system to dynamically adapt to different cooking requirements while maintaining reliable heat retention when positioned correctly. The stone's ability to be repositioned enables optimal heat trapping configurations for different culinary tasks.

Inventive Principle:
Principle #15Dynamics

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 allows for flexible heat distribution and use of the oven for various cooking methods, including baking bread, pizzas, and steaming, by adjusting the position of the vaulted stone, which can be retrofitted into existing steel ovens, combining the advantages of vaulted and non-vaulted ovens.

Implementation Method 1

the baking chamber also serves as a firebox. First, a fire made of wood is lit in the baking room, so that the walls and the vaulted ceiling of the baking room, which are mostly made of fireproof materials, heat up

Methodology Applied
Scientific EffectThermal energy storage: Thermal Energy Storage

Implementation Method 2

the walls and the vaulted ceiling of the baking room, which are mostly made of fireproof materials, heat up

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

using the heat stored in the side walls and in the vault

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentEP2399459B1Wood baking oven
Publication Date: 2015.08.12 RAMSTER VANESSA
  • EP2399459B1 patent drawingFigure 1a~1b
  • EP2399459B1 patent drawingFigure 2a~2b
  • EP2399459B1 patent drawingFigure 3a~3b

AI summary

A wood-fired oven (100") is proposed, comprising an oven housing (101) and at least one wood-fired baking chamber (110; 120"), which has a baking surface (112; 122) and a baking dome (111G; 121G) made of a refractory material located above it. The respective baking dome is formed from a refractory, arched stone (111; 121), the length of which is at least 10% shorter than the length of the oven housing and which is slidably mounted within the oven housing. This modular design creates a wood-fired oven that combines the advantages of a domed oven with those of an oven without a dome. The wood-fired oven (100") can also be equipped with an oven housing made of steel or metal.