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US 11,209,160 B2Granted
Combustion device having double-layer structure
AssigneePro-Iroda Industries, Inc.
InventorWei Cheng Wu
Life of this patent
Estimating the term…
Abstract
A combustion device having a double-layer structure includes a main body, which is double layered, including an inner-layer wall and an outer-layer wall disposed outside of and spaced from the inner-layer wall such that the inner-layer wall and the outer-layer wall include a hollow disposed therebetween. The inner-layer wall forms a fuel receptacle with an opening. A wick has an end defining fuel-drawing end inserted into the fuel receptacle through the opening.
Claims19
A combustion device having a double-layer structure comprising:
- a main body, which is double layered, including an inner-layer wall and an outer-layer wall disposed outside of and spaced from the inner-layer wall such that the inner-layer wall and the outer-layer wall include a hollow disposed therebetween, and wherein the inner-layer wall forms a fuel receptacle with an opening;
- and
- a wick having an end defining fuel-drawing end inserted into the fuel receptacle through the opening;
- a retaining device including a sleeve securely holding the wick;
- wherein an air gap between the inner-layer wall and the outer-layer wall effectively insulates fuel in the fuel receptacle from being vaporized by heat;
- wherein the main body has an interconnecting portion interconnecting the inner-layer wall and the outer-layer wall, wherein the sleeve is fit in the interconnecting portion, and wherein the sleeve has a flange not abutting against a periphery of the interconnecting portion and rested on the outer-layer wall.
3 more elements
Dependencies are inferred from the claim text.