Wire mesh thermal radiative element and use in a radiative oven
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A21B-002/00
F24C-007/04
H05B-003/00
F24C-007/06
F24C-007/08
출원번호
US-0953462
(2013-07-29)
등록번호
US-9206987
(2015-12-08)
발명자
/ 주소
De Luca, Nicholas P.
출원인 / 주소
De Luca Oven Technologies, LLC
대리인 / 주소
Capitol City TechLaw
인용정보
피인용 횟수 :
0인용 특허 :
28
초록▼
A high speed cooking apparatus employing a low voltage high current system for heating foods employing a novel wire mesh heating element. The system herein described providing the benefits of high speed cooking like that further described by U.S. Provisional Application 60/822,028 filed on Aug. 10,
A high speed cooking apparatus employing a low voltage high current system for heating foods employing a novel wire mesh heating element. The system herein described providing the benefits of high speed cooking like that further described by U.S. Provisional Application 60/822,028 filed on Aug. 10, 2006, but yet providing significant cost benefit and simplicity over said system.
대표청구항▼
1. A radiant oven comprising: a heating cavity configured to receive a load to be heated;a power supply; anda main heater comprising a wire mesh heating element, wherein the power supply powers the wire mesh heating element and the wire mesh heating element is sized and positioned to heat the load,w
1. A radiant oven comprising: a heating cavity configured to receive a load to be heated;a power supply; anda main heater comprising a wire mesh heating element, wherein the power supply powers the wire mesh heating element and the wire mesh heating element is sized and positioned to heat the load,wherein a ratio of a resistance of the wire mesh heating element to a radiative black body area of the wire mesh heating element is less than 2 ohms/m2. 2. The radiant oven of claim 1, wherein the wire mesh heating element comprises multiple wire mesh heating elements arranged in parallel in at least one plane. 3. The radiant oven of claim 1, further comprising a relay for cycling the power to the main heater, and a control circuit for controlling the relay. 4. The radiant oven of claim 3, further comprising: a fan controlled by the control circuit for exhausting air from the heating cavity; anda temperature sensor in communication with the control circuit. 5. The radiant oven of claim 1, wherein the wire mesh heating element is movable relative to the load. 6. The radiant oven of claim 1, wherein the wire mesh heating element comprises multiple wire mesh heaters, the multiple wire mesh heaters share a first bus and a second bus, the first bus is in electrical communication with a positive voltage of the power supply and the second bus is in electrical communication with a negative voltage of the power supply. 7. The radiant oven of claim 1, further comprising a sensor configured to monitor gases or particles emitted by the load during the heating. 8. The radiant oven of claim 1, wherein a minimum distance from the load to the wire mesh heater is not less than one half of an inch. 9. The radiant oven of claim 1, further comprising a tray configured to support the load, the tray being movably attached to a chassis of the radiant oven for adjusting the position of the tray. 10. The radiant oven of claim 1, further comprising an oven door and a reflector disposed on or in the oven door for reflecting radiation. 11. The radiant oven of claim 1, further comprising a control circuit configured to monitor a condition of the load by measuring one or more of: a color of the load, a moisture level of a surface of the load, and a moisture level of air in the oven. 12. The radiant oven of claim 1, wherein the power supply supplies a DC voltage to the wire mesh heating element. 13. The radiant oven of claim 1, the power supply comprises a battery. 14. The radiant oven of claim 1, wherein the ratio is less than 2 ohms/m2. 15. The radiant oven of claim 1, wherein the wire mesh heater has a combined resistance of less than 10 ohms. 16. The radiant oven of claim 1, wherein the wire mesh heating element comprises wires having a radius less than or equal to 0.5 mm. 17. The radiant oven of claim 1, wherein the wire mesh heating element comprises a 0.3 mm X 0.3 mm wire mesh. 18. The radiant oven of claim 1, wherein the wire mesh heating element comprises a wire mesh cloth. 19. A heating method comprising: heating a cavity configured for receiving a load using a main heater comprising a wire mesh heating element; anddischarging current from a power supply through the wire mesh heating element,wherein a ratio of a resistance of the wire mesh heating element to a radiative black body area of the wire mesh heating element is less than 2 ohms/m2. 20. A radiant oven comprising: a cavity configured for receiving a load;a circuit configured to carry current supplied by a power supply; anda main heater comprising a wire mesh heating element, wherein the power supply powers the wire mesh heating element via the circuit and the wire mesh heating element is sized and positioned for heating the load,wherein the wire mesh heating elements is capable of reaching about 1400 Kelvin from room temperature in less than 10.3 seconds. 21. The radiant oven of claim 20, wherein the wire mesh heating element comprises wires having a radius less than or equal to 0.5 mm. 22. The radiant oven of claim 20, wherein the wire mesh heating element comprises a 0.3 mm X 0.3 mm wire mesh. 23. The radiant oven of claim 20, wherein the wire mesh heating element comprises a wire mesh cloth.
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