A flying insect trapping device configured to be used with a fuel supply containing a combustible fuel is disclosed. The trapping device includes a combustion device that includes an inlet port for receiving the combustible fuel, a turbulence reducing structure for substantially laminating flow of a
A flying insect trapping device configured to be used with a fuel supply containing a combustible fuel is disclosed. The trapping device includes a combustion device that includes an inlet port for receiving the combustible fuel, a turbulence reducing structure for substantially laminating flow of a mixture of the combustible fuel and air, a catalyst element disposed downstream of the turbulence reducing structure, a heat zone having a hollow interior space in between the turbulence reducing structure and the catalyst element to enable the combustible fuel to flow into the heat zone for continuous combustion therein to create an exhaust gas comprising carbon dioxide, and a plurality of heat exchanger fins extending inwardly into the hollow interior space of the heat zone for conducting heat generated by the continuous combustion.
대표청구항▼
What is claimed is: 1. A flying insect trapping device having a fuel supply containing a combustible fuel, comprising: an insect trap chamber configured to receive flying insects through an insect inlet; a combustion chamber defined by at least one wall and including a heat zone having an interior
What is claimed is: 1. A flying insect trapping device having a fuel supply containing a combustible fuel, comprising: an insect trap chamber configured to receive flying insects through an insect inlet; a combustion chamber defined by at least one wall and including a heat zone having an interior space, combustion occurring in said heat zone to generate exhaust gas for attracting flying insects to said insect inlet; a heat exchanger element contained within said heat zone interior space of said combustion chamber to conduct heat generated by the combustion in said chamber away from said heat zone interior space and toward said combustion chamber wall, said heat exchanger element defining a plurality of channels that minimize disruption of exhaust gas flow through said chamber; a thermoelectric device having a first side in contact with said combustion chamber wall and a second side spaced from said combustion chamber wall, said thermoelectric device generating electric current from heat transferred from said combustion chamber wall, to said thermoelectric device first side and then to said thermoelectric device second side; and said electric current generated by said thermoelectric device being used to power a component of said device. 2. The device as set forth in claim 1, wherein said heat exchanger element includes a plurality of fins that define said channels, said fins extending radially inwardly from an inner wall of said chamber so as to extend only partly across said interior space. 3. The device as set forth in claim 1, wherein said heat exchanger element includes a plurality of fins and said chamber has a generally cylindrical inner wall, said plurality of heat exchanger fins extending radially inwardly from said cylindrical inner wall so as to extend only partly across said interior space. 4. The device as set forth in claim 2, wherein said fins extend from a bottom portion of said chamber, a top portion of said chamber located opposite said fins being made of a ceramic material, said fins being configured to conduct heat toward said bottom portion. 5. The device as set forth in claim 1, further comprising: an inlet chamber mounted on one end of said combustion chamber that provides an air/propane mixture to said chamber; a diffuser plate mounted within said combustion chamber adjacent said inlet chamber, said diffuser plate having a plurality of apertures therethrough to reduce fuel flow turbulence; a catalytically active monolith positioned in said chamber downstream from said diffuser plate, said monolith having a series of elongated essentially linear conduits formed through a length thereof; a catalyst element positioned downstream from said monolith, the linear conduits in said monolith configured to help distribute exhaust gas flow more evenly over said catalyst element; and an outlet chamber mounted on an opposite end of said combustion chamber relative to said inlet chamber and downstream of said catalyst element. 6. The device as set forth in claim 5, further comprising: an uncoated catalytically inactive monolith positioned between said diffuser plate and said catalytically active monolith; and an insulating material positioned radially between each of said two monoliths and an interior surface of said chamber. 7. The device as set forth in claim 6, wherein said chamber further comprises a laminating zone and a catalyst zone, said catalytically inactive monolith being located in said laminating zone and said catalytically active monolith being located in said catalyst zone, said combustion point in said heat zone being positioned between said laminating zone and said catalyst zone. 8. The device as set forth in claim 1, wherein a ratio of a volume of said heat exchanger element to a volume of said interior space of said heat zone is in a range of about 0.05 to about 0.15. 9. The device as set forth in claim 1, wherein a ratio of a volume of said heat exchanger element to a volume of said interior space of said heat zone is in a range of about 0.09 to about 0.13. 10. The device as set forth in claim 1, wherein a ratio of a volume of said heat exchanger element to a volume of said interior space of said heat zone is about 0.11. 11. An flying insect trapping apparatus for use with a fuel supply containing a combustible fuel, comprising: an insect trap chamber configured to receive flying insects through an insect inlet; a combustion chamber including, a laminating zone having structure for reducing turbulence in an incoming fuel flow to produce a substantially laminar flow; a heat zone downstream from said laminating zone in which combustion occurs to produce an exhaust gas, said heat zone including a hollow interior space; and a heat exchanger element having a volume and extending inwardly into said hollow interior space of said heat zone, said element configured to conduct heat generated by the combustion in said combustion chamber away from said interior space and toward a wall of said chamber; an exhaust outlet configured to receive said exhaust gas and to direct a flow of exhaust gas outwardly therethrough so that insects are attracted to the exhaust gas and will fly toward said insect inlet; a thermoelectric device adjacent said chamber wall for generating electric current from heat being transferred away from said combustion chamber wall by said heat exchanger element, said electric current being used to power a component of said assembly; a vacuum device communicated to said insect inlet to draw insects by suction into said insect trap chamber; and a ratio of said heat exchanger element volume to a volume of said heat zone being between about 0.05 and 0.15 to minimize disruption in said exhaust gas flow and pressure drop in said combustion chamber. 12. The apparatus as set forth in claim 11, wherein said heat exchanger element defines a plurality of channels that minimize disruption of exhaust gas flow through said chamber. 13. The apparatus as set forth in claim 12, wherein said heat exchanger element includes a plurality of fins that define said channels, said chamber having a generally cylindrical inner wall and said fins extending radially inwardly from said cylindrical inner wall of said chamber so as to extend only partly across said interior space. 14. The apparatus as set forth in claim 11, wherein said heat exchanger element is made of a high heat conducting material and includes a plurality of fins extending from a bottom portion of said combustion chamber, a top portion of said combustion chamber located opposite said fins being made of a ceramic material, said fins being configured to conduct heat toward said bottom portion to increase a temperature thereof relative to said top portion. 15. The apparatus as set forth in claim 12, wherein said turbulence reducing structure in said laminating zone includes a diffuser plate having a plurality of apertures therethrough to generate said substantially laminar flow. 16. The apparatus as set forth in claim 11, wherein said heat exchanger element includes a plurality of fins that each extend only partly across said hollow interior space. 17. The apparatus as set forth in claim 16, wherein an inner wall of said combustion chamber is generally cylindrical and said fins extend radially inwardly from said inner wall. 18. The apparatus as set forth in claim 11, wherein a ratio of said heat exchanger element volume to the volume of said hollow interior space of said heat zone is in a range of about 0.09 to about 0.13. 19. The apparatus as set forth in claim 11, wherein a ratio of said heat exchanger element volume to the volume of said hollow interior space of said heat zone is about 0.11.
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이 특허에 인용된 특허 (14)
Miller Mark H. ; Wigton Bruce E. ; Lonngren Kenneth, Counterflow insect trap.
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