IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0526133
(2006-09-22)
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등록번호 |
US-8087407
(2012-01-03)
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발명자
/ 주소 |
- Wiker, John H.
- Panicker, Mohan K.
- Albert, Magdy A.
- Schjerven, Sr., William S.
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출원인 / 주소 |
|
대리인 / 주소 |
Michael Best & Friedrich LLP
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인용정보 |
피인용 횟수 :
23 인용 특허 :
159 |
초록
▼
An oven according to some embodiments includes an oven chamber in which food is cooked, a heating element, a fan, a sensor for sensing the temperature of the oven chamber, a remote input device, and a controller configured to receive a signal from the remote input device and to change the fan or hea
An oven according to some embodiments includes an oven chamber in which food is cooked, a heating element, a fan, a sensor for sensing the temperature of the oven chamber, a remote input device, and a controller configured to receive a signal from the remote input device and to change the fan or heating element based at least in part upon the signal received from the remote input device. In a method of operating the oven according to some embodiments, the oven enters an operating mode from an energy-savings mode responsive to receiving an signal from a remote device.
대표청구항
▼
1. A conveyor oven for cooking food product, the conveyor oven comprising: a tunnel;a conveyor extending into and movable within the tunnel to convey food product within the tunnel;a heating element operable to generate heat to be provided to the tunnel;a fan operable to move air in the tunnel;a sen
1. A conveyor oven for cooking food product, the conveyor oven comprising: a tunnel;a conveyor extending into and movable within the tunnel to convey food product within the tunnel;a heating element operable to generate heat to be provided to the tunnel;a fan operable to move air in the tunnel;a sensor positioned to detect at least one of a temperature within the oven and the presence of food product upon the conveyor; anda controller that controls at least one of the fan, the heating element, and the conveyor, andchanges operation of the oven to an energy saving mode, in which the fan moves air in the tunnel at a reduced speed, in response to (i) detection of the absence of food product in the tunnel based at least in part upon operation of the sensor and(ii) passage of a period of time indicating the absence of food product from the tunnel wherein in the energy saving mode the controller changes operation of the heating elements to generate heat to be provided to the tunnel at a reduced level of intensity while substantially maintaining a cooking temperature of the oven. 2. The conveyor oven as claimed in claim 1, wherein: the conveyor oven operates in a first energy saving mode following the passage of a first period of time indicating the absence of food product in the oven; andthe controller is responsive to passage of a second period of time indicating the absence of food product in the oven by changing operation of the oven to a second energy saving mode wherein operation of the heating element is changed to generate heat to be provided to the tunnel at a reduced level of intensity. 3. The conveyor oven as claimed in claim 1, wherein the controller is responsive to the passage of a second period of time by turning off the fan. 4. The conveyor oven as claimed in claim 1, wherein the controller is responsive to the passage of a second period of time by turning off the heating element. 5. The conveyor oven as claimed in claim 1, wherein the controller is responsive to the passage of a second period of time by stopping the conveyor. 6. The conveyor oven as claimed in claim 5, wherein the controller is responsive to detection of food product upon the conveyor by starting the conveyor following a period of time. 7. The conveyor oven as claimed in claim 1, wherein in the energy saving mode the controller maintains the heating element to generate heat to be provided to the oven at substantially the same level of intensity as in a cooking mode. 8. The conveyor oven as claimed in claim 1, wherein the sensor is positioned within at least one of the tunnel and a plenum of the oven. 9. The conveyor oven as claimed in claim 1, wherein the sensor is a position sensor positioned to detect a location of food product with respect to the tunnel. 10. The conveyor oven as claimed in claim 9, wherein the sensor comprises a photocell. 11. The conveyor oven as claimed in claim 1, wherein: the sensor is a temperature sensor; andthe controller is adapted to change a speed of the fan responsive to detection by the temperature sensor of at least one of a predetermined temperature change and a threshold temperature. 12. The conveyor oven as claimed in claim 1, wherein: the sensor is a temperature sensor; andthe controller is adapted to increase a heat output of the heating element responsive to detection by the temperature sensor of at least one of a predetermined temperature drop and a threshold temperature. 13. The conveyor oven as claimed in claim 1, wherein: the tunnel comprises an entrance and an exit; andthe sensor is located adjacent the tunnel entrance, and is adapted to detect at least one of food product approaching the tunnel entrance and food product entering the tunnel entrance. 14. The conveyor oven as claimed in claim 1, wherein: the tunnel comprises an entrance and an exit; andthe sensor is located adjacent the tunnel exit, and is adapted to detect at least one of food product approaching the tunnel exit and food product exiting the tunnel exit. 15. The conveyor oven as claimed in claim 1, wherein: the sensor is a temperature sensor; andthe controller is adapted to turn off the heating element responsive to detection by the temperature sensor of a threshold temperature. 16. The conveyor oven as claimed in claim 1, wherein the controller is adapted to turn off the fan responsive to detection by the temperature sensor of a threshold temperature. 17. The conveyor oven as claimed in claim 1, wherein: the sensor is a temperature sensor; andthe controller is adapted to turn off the heating element responsive to detection by the temperature sensor of at least one of a predetermined temperature increase and a first threshold temperature, andto turn on the heating element responsive to detection by the temperature sensor of a predetermined temperature decrease and a second threshold temperature. 18. A conveyor oven for cooking food product, the conveyor oven comprising: a tunnel;a conveyor extending into and movable within the tunnel to convey food product within the tunnel;a heating element operable to generate heat to be provided to the tunnel;a fan operable to move air in the tunnel;a sensor positioned to detect at least one of the presence of food product on the conveyor and a temperature within the oven;a controller that controls at least one of the fan, the heating element, and the conveyor, and changes operation of the oven to an energy saving mode, in which the fan moves air in the tunnel at a reduced speed and the heating element generates heat to be provided to the tunnel at a reduced intensity while substantially maintaining a cooking temperature of the oven, in response to detection of the absence of food product in the tunnel based at least in part upon operation of the sensor and (ii) passage of a period of time indicating the absence of food product from the tunnel; anda user interface coupled to the controller, the user interface comprising a touch screen;a plurality of displays adapted to be displayed upon the touch screen, each of the plurality of displays having at least one user-manipulatable control to receive user commands via the touch screen;wherein at least one of the plurality of displays includes a user-manipulatable control by which a period of time is adjustable. 19. The conveyor oven as claimed in claim 18, wherein the controller is responsive to the passage of the period of time by reducing the speed of the fan to move air in the tunnel. 20. The conveyor oven as claimed in claim 19, wherein: the period of time is a first period of time;the conveyor oven operates in a first mode following the passage of the first period of time; andthe controller is responsive to passage of a second period of time since food product on the conveyor was last detected by changing operation of the heating element to generate heat to be provided to the tunnel at a reduced intensity. 21. The conveyor oven as claimed in claim 18, wherein the controller is responsive to the passage of a second period of time by turning off the heating element. 22. The conveyor oven as claimed in claim 18, wherein the controller is responsive to the passage of a second period of time by turning off the fan. 23. The conveyor oven as claimed in claim 18, wherein the controller is responsive to the passage of a second period of time by stopping the conveyor. 24. The conveyor oven as claimed in claim 23, wherein the controller is responsive to detection of food product upon the conveyor by starting the conveyor. 25. The conveyor oven as claimed in claim 18, wherein the sensor is positioned within at least one of the tunnel and a plenum of the oven. 26. The conveyor oven as claimed in claim 18, wherein the sensor is a position sensor positioned to detect a location of food product with respect to the tunnel. 27. The conveyor oven as claimed in claim 18, wherein the sensor comprises a photocell. 28. The conveyor oven as claimed in claim 18, wherein: the sensor is a temperature sensor; andthe controller is adapted to change a speed of the fan responsive to detection by the temperature sensor of at least one of a predetermined temperature change and a threshold temperature. 29. The conveyor oven as claimed in claim 18, wherein: the sensor is a temperature sensor; andthe controller is adapted to increase a heat output of the heating element responsive to detection by the temperature sensor of at least one of a predetermined temperature drop and a threshold temperature. 30. The conveyor oven as claimed in claim 18, wherein: the tunnel comprises an entrance and an exit; andthe sensor is located adjacent the tunnel entrance, and is adapted to detect at least one of food product approaching the tunnel entrance and food product entering the tunnel entrance. 31. The conveyor oven as claimed in claim 18, wherein: the tunnel comprises an entrance and an exit; andthe sensor is located adjacent the tunnel exit, and is adapted to detect at least one of food product approaching the tunnel exit and food product exiting the tunnel exit. 32. The conveyor oven as claimed in claim 18, wherein: the sensor is a temperature sensor; andthe controller is adapted to turn off the heating element responsive to detection by the temperature sensor of a threshold temperature. 33. The conveyor oven as claimed in claim 32, wherein the controller is adapted to turn off the heating element following a predetermined period of time during which a threshold temperature detected by the sensor is reached or passed. 34. The conveyor oven as claimed in claim 18, wherein: the sensor is a temperature sensor; andthe controller is adapted to turn off the heating element responsive to detection by the temperature sensor of at least one of a predetermined temperature increase and a first threshold temperature, and to turn on the heating element responsive to detection by the temperature sensor of a predetermined temperature decrease and a second threshold temperature.
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