Combustion device with heat dissipating design

Abstract

A combustion device with heat dissipating design includes a burner apparatus and a shield apparatus. The burner apparatus includes a fuel reservoir which has a top defining an opening. The shield apparatus defines a space and the burner apparatus is disposed within the space. The shield apparatus has a bottom and the opening is at a first height in a vertical direction from the bottom. The shield apparatus defines a first through hole extending therethrough and communicating the space and the outside of the shield apparatus and the first through hole is at a second height in the vertical direction from the bottom. The second height is less than the first height.

Claims

1. A combustion device with heat dissipating design comprising: a burner apparatus including a fuel reservoir, wherein the fuel reservoir has a top defining an opening; a shield apparatus defining a space and the burner apparatus is disposed within the space, wherein the shield apparatus has a bottom and the opening is at a first height in a vertical direction from the bottom, wherein the shield apparatus defines a first through hole extending therethrough and communicating the space and the outside of the shield apparatus and the first through hole is at a second height in the vertical direction from the bottom, and wherein the second height is less than the first height, wherein the shield apparatus includes a cover, which is hollow and includes a side wall extending in the vertical direction, and the shield apparatus includes a bottom wall, wherein the space is defined by the cover, and wherein the first through hole extends through the bottom wall; and a flow guiding apparatus disposed within the space, wherein the flow guiding apparatus includes a seat and the bottom wall bears the seat, wherein the seat defines a second through hole extending therethrough and corresponding with the first through hole, and wherein the plurality of flow guiding blades is integrated with the seat.

2. The combustion device as claimed in claim 1, wherein the shield apparatus includes a plurality of flow guiding blades evenly disposed around the burner apparatus and extending radially, and wherein the plurality of flow guiding blades are disposed at a height in the vertical direction between the opening and the first through hole.

3. The combustion device as claimed in claim 1, wherein the cover allows light to pass through.

4. The combustion device as claimed in claim 3, wherein the cover is made of glass.

5. The combustion device as claimed in claim 1, wherein the plurality of flow guiding blades and the seat are made in one piece.

6. The combustion device as claimed in claim 1, wherein the flow guiding apparatus includes at least one foot, and wherein the at least one foot has a first end connected with bottom wall and disposed outside the cover and a second end configured to stand on a surface on which the combustion device is placed and forming the bottom of the shield apparatus.

7. The combustion device as claimed in claim 1, wherein the plurality of flow guiding blades has a bottom side connected with the seat, a top side opposite the bottom side, and two opposite lateral sides extending from the top side to the bottom side, and wherein the top sides of the plurality of flow guiding blades bear the fuel reservoir.

8. The combustion device as claimed in claim 7, wherein each of the plurality of flow guiding blades extends radially from a first end to a second end, wherein the top surface of each of the plurality of flow guiding blades forms a slope adjacent to the first end, and wherein the burner apparatus is disposed adjacent to the first ends of the plurality of flow guiding blades and the fuel reservoir is disposed above the slopes of the plurality of flow guiding blades.

9. The combustion device as claimed in claim 8, wherein the two opposite lateral sides of each of the plurality of flow guiding blades extend radially in a straight line.

10. The combustion device as claimed in claim 8, wherein the two opposite lateral sides of each of the plurality of flow guiding blades extend radially in a bended line such that each of the plurality of flow guiding blades has a bend section adjacent to the first end thereof.

11. The combustion device as claimed in claim 8, wherein the two opposite lateral sides of each of the plurality of flow guiding blades extend radially in a bended line such that each of the plurality of flow guiding blades has a bend section adjacent to the second end thereof.

12. The combustion device as claimed in claim 1, wherein the burner apparatus includes a cap disposed above the fuel reservoir, wherein the cap has at least one hole extending therethrough and communicating an accommodation portion of the fuel reservoir, wherein the cap engages and holds at least one wick in the at least one hole, and wherein the at least one wick has one end protruding above the cap and another end protruding below the cap and received by the accommodation portion.

13. The combustion device as claimed in claim 12, wherein the cap is in a form of a shallow container with a raised rim and has a bottom inserted through the opening and received by the accommodation portion.

14. The combustion device as claimed in claim 6, wherein the plurality of flow guiding blades has a bottom side connected with the seat, a top side opposite the bottom side, and two opposite lateral sides extending from the top side to the bottom side, and wherein the top sides of the plurality of flow guiding blades bear the fuel reservoir.

15. The combustion device as claimed in claim 14, wherein each of the plurality of flow guiding blades extends in a radially from a first end to a second end, wherein the top surface of each of the plurality of flow guiding blades forms a slope adjacent to the first end, and wherein the burner apparatus is disposed adjacent to the first ends of the plurality of flow guiding blades and the fuel reservoir is disposed above the slopes of the plurality of flow guiding blades.

16. The combustion device as claimed in claim 15, wherein the burner apparatus includes a cap disposed above the fuel reservoir, wherein the cap has at least one hole extending therethrough and communicating an accommodation portion of the fuel reservoir, wherein the cap engages and holds at least one wick in the at least one hole, and wherein the at least one wick has one end protruding above the cap and another end protruding below the cap and received by the accommodation portion.

17. The combustion device as claimed in claim 16, wherein the cap is in a form of a shallow container with a raised rim and has a bottom inserted through the opening and received by the accommodation portion.

18. The combustion device as claimed in claim 17, wherein the cover allows light to pass through.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a perspective view of a combustion device with heat dissipating design in accordance with a first embodiment of the present invention.

(2) FIG. 2 is an exploded perspective view of the combustion device of FIG. 1.

(3) FIG. 3 is a cross-sectional view of the combustion device of FIG. 1.

(4) FIG. 4 is a cross-sectional view illustrating the combustion device of FIG. 1 in use and producing a flame, as well as air circulating the combustion device to allow the combustion device to dissipate heat, with arrows indicating the air.

(5) FIG. 5 is a cross-sectional view illustrating the combustion device of FIG. 1 is subject to a side wind.

(6) FIG. 6 is a cross-sectional view of a combustion device with heat dissipating design in accordance with a second embodiment of the present invention.

(7) FIG. 7 is a cross-sectional view of a combustion device with heat dissipating design in accordance with a third embodiment of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

(8) FIGS. 1 through 5 show a combustion device with heat dissipating design 10 in accordance with a first embodiment of the present invention.

(9) The combustion device 10 includes a burner apparatus 20 and a shield apparatus 30.

(10) The burner apparatus 20 includes a fuel reservoir 21. The fuel reservoir 21 has a top defining an opening 22. The burner apparatus 20 includes a cap 23 disposed above the fuel reservoir 21. The cap 23 has at least one hole 24 extending therethrough and communicating an accommodation portion 26 of the fuel reservoir 21. The cap 23 engages and holds at least one wick 25 in the at least one hole 24. The at least one wick 25 has one end protruding above the cap 23 and another end protruding below the cap 23 and received by the accommodation portion 26. The cap 23 is in a form of a shallow container with a raised rim and has a bottom inserted through the opening 22 and received by the accommodation portion 26.

(11) The shield apparatus 30 defines a space 31 and the burner apparatus 20 is disposed within the space 31. The shield apparatus 30 has a top 33 at a height in the vertical direction from the bottom 32. The shield apparatus 30 has a bottom 32 and the opening 22 is at a first height H1 in a vertical direction from the bottom 32.

(12) The shield apparatus 30 defines a first through hole 34 extending therethrough and communicating the space 31 and the outside of the shield apparatus 30 and the first through hole 34 is at a second height H2 in the vertical direction from the bottom 32. The second height H2 is less than the first height H1. The first through hole 34 drains the overfilled fuel to minimize the fuel overfilled risks.

(13) The shield apparatus 30 includes a plurality of flow guiding blades 35 evenly disposed around the burner apparatus 20 and extending radially. The plurality of flow guiding blades 35 are disposed at a height in the vertical direction between the opening 22 and the first through hole 34. The plurality of flow guiding blades 35 has a bottom side, a top side opposite the bottom side, and two opposite lateral sides extending from the top side to the bottom side. The top sides of the plurality of flow guiding blades 35 bear the fuel reservoir 21. Each of the plurality of flow guiding blades 35 extends radially from a first end 53 to a second end 54. The top surface of each of the plurality of flow guiding blades 35 forms a slope adjacent to the first end. The burner apparatus 20 is disposed adjacent to the first ends of the plurality of flow guiding blades 35 and the fuel reservoir 21 is disposed above the slopes of the plurality of flow guiding blades 35. The two opposite lateral sides of each of the plurality of flow guiding blades 35 extend radially in a straight line.

(14) The shield apparatus 30 includes a cover 40 which is hollow and includes a side wall 41 extending in the vertical direction and a bottom wall 42. The cover 40 is tubular. The cover 40 allows light to pass through. The cover 40 is made of glass. The space 31 is defined by the cover 40. The first through hole 34 extends through the bottom wall 42.

(15) Further, a flow guiding apparatus 50 is disposed within the space 31. The flow guiding apparatus 50 includes a seat 51 and the bottom wall 42 bears the seat 51. The seat 51 defines a second through hole 52 extending therethrough and corresponding with the first through hole 34. The flow guiding apparatus 50 includes at least one foot 55. The at least one foot 55 has a first end connected with bottom wall 42 and disposed outside the cover 40 and a second end configured to stand on a surface on which the combustion device 10 is placed and forming the bottom 32 of the shield apparatus 30.

(16) Furthermore, the plurality of flow guiding blades 35 is integrated with the seat 51. The bottom sides of the plurality of flow guiding blades 35 are connected with the seat 51. The seat 51 has two opposite sides and the bottom wall 42 bears the seat 51 from one of opposite sides and the plurality of flow guiding blades 35 are disposed on the other of opposite sides. The plurality of flow guiding blades 35 and the seat 51 are made in one piece.

(17) FIG. 4 is a cross-sectional view illustrating the combustion device 10 in use and producing a flame, as well as air circulating the combustion device to allow the combustion device to dissipate heat, with arrows indicating the air.

(18) FIG. 5 is a crosssectional view illustrating the combustion device 10 subject to a side wind. An air recirculation is formed at a recessed area around the combustion device 10 and a portion of the side wind is inevitably blocked by the outer cover 40 and enters the space 31 downward. Since the flow guiding blades 35 can guide and restrict the flow direction of the cooling air, the upward air flow is offset or weakened by the recirculation formed by the circulation of the side wind, and the influence of the side wind on the combustion device 10 can be greatly reduced, so that the high temperature is not directly contacted with the outer cover to reduce the risk of high temperature accumulation. The combustion device 10 can be normally used and maintains flame visibility even in a windy outdoor environment.

(19) Further, when the combustion device 10 is moved, a user can directly take the cover 40, and the flow guiding apparatus 50 and the plurality of feet 55 in the embodiment prevents parts of the combustion device 10 from being left even if the user directly grasps the outer cover 40.

(20) FIG. 6 shows a combustion device with heat dissipating design in accordance with a second embodiment of the present invention, and the same numbers are used to correlate similar components of the first embodiment, but bearing a letter a. The second embodiment includes a burner apparatus 20a the same as the burner apparatus 20. The second embodiment is similar to the first embodiment except a plurality of flow guiding blades 35a. Two opposite lateral sides of each of the plurality of flow guiding blades 35a extend radially in a bended line such that each of the plurality of flow guiding blades 35a has a bend section 56a adjacent to a first end 53a thereof.

(21) FIG. 7 show a combustion device with heat dissipating design in accordance with a third embodiment of the present invention, and the same numbers are used to correlate similar components of the first embodiment, but bearing a letter b. The third embodiment includes a burner apparatus 20b the same as the burner apparatus 20. The third embodiment is similar to the first embodiment except a plurality of flow guiding blades 35b. Two opposite lateral sides of each of the plurality of flow guiding blades 35b extend radially in a bended line such that each of the plurality of flow guiding blades 35b has a bend section 56b adjacent to the second end 54b thereof.

(22) In view of the forgoing, the combustion device 10 can be normally used and maintains flame visibility even in a windy outdoor environment. As set forth, the flow guiding blades 35 can guide and restrict the flow direction of the cooling air, the upward air flow is offset or weakened by the recirculation formed by the circulation of the side wind, and the influence of the side wind on the combustion device 10 can be greatly reduced, so that the high temperature is not directly contacted with the outer cover to reduce the risk of high temperature accumulation. Further, when the combustion device 10 is moved, a user can directly take the cover 40, and the flow guiding apparatus 50 and the plurality of feet 55 in the embodiment prevents parts of the combustion device 10 from being left even if the user directly grasps the outer cover 40. Further, the first through hole 34 drains the overfilled fuel to minimize the fuel overfilled risks.

(23) The foregoing is merely illustrative of the principles of this invention and various modifications can be made by those skilled in the art without departing from the scope and spirit of the invention.