Integrated Gas Burner Assembly for Better Flow and Easy Injector Access
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Solution Overview
Problem
Conventional gas burner assemblies have a high number of components, leading to increased costs and poor gas flow due to the use of expensive materials like enamelled steel, and require disassembly for injector changes.
Innovation Solution
The gas burner assembly integrates the mixing chamber, Venturi pipe, air inlet, and gas supply channel as a single-piece part, with flame ports above the mixing chamber, allowing for a reduced component count and improved gas flow, and enabling the gas injector to be replaced without disassembling the appliance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional gas burner assembly uses multiple separate components (gas injector, Venturi pipe, burner body, flame spreader), then each component can be manufactured and assembled separately, but the number of components increases leading to higher production costs and increased device complexity
Solution Approach 1:
The patent combines the mixing chamber, Venturi pipe, air inlet, and gas supply channel into a single integrated burner body component. This merging reduces the total number of separate parts, simplifies assembly, and lowers production costs while maintaining the functional integrity of each subsystem.
2Reliability
If flame spreader is made of enamelled steel to provide durability and heat distribution, then the material provides good thermal properties, but it impairs gas flow and increases production cost
Solution Approach 1:
The patent applies different material properties to different regions of the burner cap. The flame spreader portion uses a material with good thermal conductivity for heat distribution, while the flame port regions are designed with optimized geometry and surface characteristics to maintain proper gas flow. This localized optimization resolves the conflict between thermal performance and gas flow requirements.
3Ease of manufacture
If gas injector is integrated into the burner body as a separate component, then it can be manufactured independently, but changing the gas injector requires disassembling the cooking appliance
Solution Approach 1:
The patent designs the gas injector as a separable component that can be independently removed from the burner body through a accessible connection interface. This segmentation allows the injector to be manufactured separately for quality control while enabling easy replacement without full appliance disassembly, resolving the contradiction between manufacturing independence and maintenance accessibility.
4Device complexity
If mixing chamber, Venturi pipe, and air inlet are formed as single-piece part, then production costs are reduced and assembly is simplified, but manufacturing precision requirements increase
Solution Approach 1:
The patent integrates the mixing chamber, Venturi pipe, and air inlet into a single molded or cast component. This merging eliminates multiple assembly operations and reduces the number of potential failure points from assembly tolerances. The single-piece construction ensures consistent geometric relationships between critical flow paths while reducing overall manufacturing complexity.
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 reduces production costs, enhances gas flow, and allows for injector replacement without disassembling the cooking appliance, while maintaining a flush burner cap with the cooking surface.
Implementation Method 1
The Venturi pipe extends vertically downwards from the mixing chamber. An air inlet is attached at the burner body and connected to an inlet of the Venturi pipe.
Data Source
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AI summary
A gas burner assembly (10), in particular for a gas cooking hob, comprising a burner cap (12) and a burner body (14). The burner cap (12) is arranged or arrangeable upon the burner body (14). The burner cap (12) includes a plurality of flame ports (20). The flame ports (20) are formed within a horizontal portion or within a substantially horizontal portion of the burner cap (12). The burner body (14) includes a mixing chamber (22), a Venturi pipe (24), at least one air inlet (26), a gas injector (28) and a gas supply channel (36). At least the mixing chamber (22), the Venturi pipe (24), the at least one air inlet (26) and the gas supply channel (36) form a single-piece part. The flame ports (20) of the burner cap (12) are arranged above the mixing chamber (22) of the burner body (14), when the burner cap (12) is arranged upon the burner body (14).