Blowtorch Regulator Merging Cock and Nozzle to Reduce Leaks
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Solution Overview
Problem
Existing blowtorch designs are costly, complex, and prone to assembly issues and leaks, which affect reliability and efficiency in generating a flame for welding and heating applications.
Innovation Solution
A portable blowtorch apparatus with a regulator that includes a slider valve system allowing for adjustable gas flow, eliminating the need for an auxiliary burner nozzle and reducing component count, featuring a movable slider with a sealing zone and elastic means to manage gas flow between pilot and full flame positions, and an actuator lever for user control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional blowtorch design with separate cock, burner nozzle, and bypass valve is used, then the flame generation function is achieved, but the device complexity increases and manufacturing costs increase
Solution Approach 1:
The patent combines the cock and burner nozzle into a single integrated regulator component. The regulator includes a body with a passage that serves both as the main gas flow channel and as the pilot flame passage, eliminating the need for separate cock and nozzle parts. This merging reduces component count, simplifies assembly, and improves reliability by reducing potential leak points and assembly errors.
2Ease of operation
If multiple separate components (cock, burner nozzle, bypass valve) are used in traditional blowtorch design, then the flame control function is achieved, but assembly difficulty increases and risk of leaks increases
Solution Approach 1:
The regulator integrates multiple functions into a single component: the body houses the passage system, the slider provides flow control, and the pilot flame passage is built-in. This eliminates the need for assembling multiple separate components (cock, nozzle, valve), thereby simplifying manufacturing and assembly while maintaining full operational control over the flame.
Solution Approach 2:
The regulator serves multiple functions simultaneously: it acts as the main gas flow control mechanism, provides a bypass for increased gas flow, and maintains a pilot flame through its integrated passage system. This multi-functionality in a single component reduces the number of parts needed while preserving all necessary operational capabilities.
3Reliability
If traditional separate components are used, then the flame generation is achieved, but manufacturing costs increase
Solution Approach 1:
By integrating the cock and burner nozzle into a single regulator component with continuous passages, the patent eliminates potential leak points at connection interfaces between separate parts. The monolithic structure ensures better sealing and reduces the risk of gas leaks, thereby improving reliability while reducing component count.
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
The solution optimizes component design, reduces the risk of leaks and clogging, simplifies assembly, and enhances reliability by maintaining the pilot flame while allowing for adjustable flame intensity, thus improving overall performance and cost-effectiveness.
Implementation Method 1
the apparatus (1) comprises elastic means (9) pushing the slider (40) from the second to the first position
Implementation Method 2
The regulator (4) defines a passage (41) that in the first position of the regulator (4) permits the transit of the combustion gas along the feeding line (3)
Implementation Method 3
The burner (2) generates a flame intended to be directed to an object located outside the apparatus (1)
Data Source
Figure 1~2
Figure 3~4
AI summary
Apparatus for generating a flame comprising: -a burner (2) that generates the flame intended to be directed to the outside of the apparatus; -a feeding line (3) feeding a combustion gas to the burner (2); -a flow regulator (4) regulating the combustion gas along the feeding line (3); -an actuator (5) that moves the regulator (4) between a first and a second position; the first position being a stroke end position, the second position being a position that permits a greater passage of the combustion gas than does the first position; The regulator (4) defines a passage (41) that, at least in the first position of the regulator (4), permits the transit of the combustion gas along the feeding line (3) from upstream to downstream of the regulator (4).