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公开(公告)号：US20240188572A1
公开(公告)日：2024-06-13
申请号：US18516487
申请日：2023-11-21
摘要： A conveyor oven for cooking food includes an oven chamber in which the food is cooked, a conveyor moveable to convey the food within the oven chamber, and a burner assembly operable to heat air for convection cooking of the food moving within the oven chamber on the conveyor. The burner assembly includes a heat source, a coiled air passage, and a suction box, the coiled air passage providing a circuitous heated air passage between the heat source and the suction box. A fan is configured to draw heated air from the suction box and exhaust the heated air into the oven chamber for convection cooking of the food moving through the oven chamber on the conveyor.
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公开(公告)号：US20230404085A1
公开(公告)日：2023-12-21
申请号：US18455991
申请日：2023-08-25
CPC分类号： A21B1/40 , H05B1/0263 , A21B1/48 , A21B1/22
摘要： A system and method to control the power supplied to heating elements of a conveyor oven. The conveyor oven includes a plurality of heating elements to evenly distribute heat in an oven compartment. During peak-loads, the current draw of the heating elements may exceed available power of a power supply. Therefore, a system and method to reduce the total current draw of the plurality of heating elements is provided. The system includes a controller configured to perform the methods disclosed herein. The methods effectively lower the total current draw by rapidly cycling a plurality of relays connected to each of the plurality of heating elements to achieve even distribution of heat and reduced current draw during peak-loads.
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3.发明申请CONTROL OF COOKING APPLIANCE IN RESPONSE TO CONTROL-COMPARTMENT, COOLING FAN FAILURE 审中-公开烹饪设备对控制室，冷却风扇故障的控制公开(公告)号：US20140175079A1
公开(公告)日：2014-06-26
申请号：US13722695
申请日：2012-12-20
IPC分类号： H05B1/02
CPC分类号： H05B1/0263
摘要： A control system for a control-compartment cooling fan of an oven. In one embodiment, the control system includes a sensor for sensing an operating condition of a motor of the cooling fan. The operating condition is selected from the group of a motor current and a motor RPM. A controller is communicatively connected to the sensor and is configured to receive the operating condition from the sensor, compare the operating condition to one or more predetermined tolerances and, when the operating condition exceed at least one of the one or more predetermined tolerances, generate an interrupt command. A heating control element is communicatively connected to the controller and configured to interrupt operation of a heating element in response to receiving the interrupt command. The control system may also include a user interface communicatively connected to the controller.
摘要翻译： 用于烤箱控制室冷却风扇的控制系统。 在一个实施例中，控制系统包括用于感测冷却风扇的电动机的运行状态的传感器。 运行条件选自电机电流和电机转速。 控制器通信地连接到传感器并且被配置为从传感器接收操作条件，将操作条件与一个或多个预定公差进行比较，并且当操作条件超过一个或多个预定公差中的至少一个时，生成 中断命令。 加热控制元件通信地连接到控制器并且被配置为响应于接收到中断命令来中断加热元件的操作。 控制系统还可以包括通信地连接到控制器的用户界面。
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公开(公告)号：US20210176997A1
公开(公告)日：2021-06-17
申请号：US17190244
申请日：2021-03-02
摘要： A system and method to control the power supplied to heating elements of a conveyor oven. The conveyor oven includes a plurality of heating elements to evenly distribute heat in an oven compartment. During peak-loads, the current draw of the heating elements may exceed available power of a power supply. Therefore, a system and method to reduce the total current draw of the plurality of heating elements is provided. The system includes a controller configured to perform the methods disclosed herein. The methods effectively lower the total current draw by rapidly cycling a plurality of relays connected to each of the plurality of heating elements to achieve even distribution of heat and reduced current draw during peak-loads.
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公开(公告)号：US20170215434A1
公开(公告)日：2017-08-03
申请号：US15447058
申请日：2017-03-01
发明人： John H. Wiker , Mohan K. Panicker , Richard H. Van Camp , Theodore James Chmiola , William S. Schjerven, SR. , Magdy A. Albert
摘要： An oven with a sensor positioned to detect an event that will cause a decrease in the internal temperature of a tunnel. The oven includes a controller configured to increase the thermal output of a heating element in anticipation of the upcoming decrease in the internal temperature. In some embodiments, the oven is a conveyor over and the sensor is positioned to detect a food item approach the tunnel on a conveyor. In some embodiments, the amount of current provided to an electric heating element is increased by increasing the target temperature. In some embodiments, the amount of current provided to the electric heating element is increased by a predetermined offset.
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6.发明申请BYPASS CIRCUIT AND WIPE TECHNIQUE FOR CONTACTOR USED TO OPERATE SOLID STATE RELAYS THAT CONTROL HEATING ELEMENTS 审中-公开用于操作固态继电器的接触器的旁路电路和WIPE技术继电器控制加热元件公开(公告)号：US20150245623A1
公开(公告)日：2015-09-03
申请号：US14379052
申请日：2013-03-13
IPC分类号： A21B1/40
摘要： A control circuit for a cooking oven. The control circuit includes a contactor. The contactor has at least one contact and at least one coil. A relay (such as a solid-state relay) is in series connection with the contactor. A heating element is controlled by the relay and is in series connection with the relay and the contactor. The controller also includes a controller. The controller is configured to bypass the relay and to control power to the at least one coil.
摘要翻译： 用于烹饪炉的控制电路。 控制电路包括接触器。 接触器具有至少一个触点和至少一个线圈。 继电器（如固态继电器）与接触器串联连接。 加热元件由继电器控制，并与继电器和接触器串联连接。 控制器还包括一个控制器。 控制器被配置为绕过继电器并且控制至少一个线圈的电力。
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公开(公告)号：US20140360381A1
公开(公告)日：2014-12-11
申请号：US14469058
申请日：2014-08-26
IPC分类号： A21B1/40
摘要： A conveyor oven according to some embodiments has a first mode and a second mode of operation and includes a tunnel in which food is cooked, a conveyor for moving the food through the tunnel, a first set and a second set of one or more burners, each set configured to generate heat for the tunnel, and a controller responsive to the detection of an absence of food in the tunnel, the controller configured to change operation of the first set of one or more burners and the second set of one or more burners from the first mode of operation to the second mode of operation based at least in part upon the detection of the absence of food product from the tunnel.
摘要翻译： 根据一些实施例的输送机烤箱具有第一模式和第二操作模式，并且包括烹饪食物的通道，用于通过隧道移动食物的输送机，第一组和第二组一个或多个燃烧器， 每个组被配置为为隧道产生热量，以及响应于检测到隧道中没有食物的控制器，所述控制器被配置为改变第一组一个或多个燃烧器的操作，以及第二组一个或多个燃烧器 至少部分地基于从隧道中检测不到食品而从第一操作模式到第二操作模式。
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公开(公告)号：US20240053003A1
公开(公告)日：2024-02-15
申请号：US18494590
申请日：2023-10-25
发明人： William S. Schjerven, SR. , Richard H. Van Camp , Theodore James Chmiola , Brent James Carlson , Robert Edward Jacob
IPC分类号： F23D14/60 , F23D14/08 , F23D23/00 , A21B1/48 , F23N1/02 , F23N1/00 , A21B1/33 , F23N1/10 , A21B1/40 , F24C3/12
CPC分类号： F23D14/60 , F23D14/08 , F23D23/00 , A21B1/48 , F23N1/02 , F23N1/002 , A21B1/33 , F23N1/005 , F23N1/102 , A21B1/40 , F24C3/12 , F24C3/087
摘要： A gas manifold for a convection conveyor oven includes an elongated housing having a wall that at least partially encloses an interior volume; a gas inlet in fluid communication with the interior volume and extending through the wall; a plurality of gas outlets in fluid communication with the interior volume and extending through the wall; a plurality of seat inserts removably coupled with a plurality of gas outlets; a plurality of valve openings formed in the wall and aligned opposite the plurality of gas outlets; and at least one valve removably coupled to the wall and aligned with a first valve opening, wherein the valve is aligned with a first gas outlet and has a first position in which a first seat insert is not in fluid communication with the gas inlet.
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公开(公告)号：US20230301310A1
公开(公告)日：2023-09-28
申请号：US18327562
申请日：2023-06-01
摘要： Conveyor ovens for cooking food according to various embodiments include variable speed fans to deliver air from a plenum into at least two lower cooking zones below a conveyor of the oven, and at least one variable speed fan to deliver air from the plenum into one or more upper cooking zones above the conveyor, wherein a controller operates the fans delivering air into the lower cooking zones independently of each other and independently of the other fan. The fans can be controlled so that air delivered to a bottom side of the conveyor has a speed that is different in the different lower cooking zones and/or is different than air delivered to the top side of the conveyor. In some cases, the speed of the fans is predetermined and set in accordance with the type of food to be cooked.
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公开(公告)号：US20210164650A1
公开(公告)日：2021-06-03
申请号：US17174185
申请日：2021-02-11
发明人： William S. Schjerven, SR. , Richard H. Van Camp , Theodore James Chmiola , Brent James Carlson , Robert Edward Jacob
IPC分类号： F23D14/60 , F23D14/08 , F23D23/00 , A21B1/48 , F23N1/02 , F23N1/00 , A21B1/33 , F23N1/10 , A21B1/40 , F24C3/12
摘要： A gas manifold for a convection conveyor oven includes an elongated housing having a wall that at least partially encloses an interior volume; a gas inlet in fluid communication with the interior volume and extending through the wall; a plurality of gas outlets in fluid communication with the interior volume and extending through the wall; a plurality of seat inserts removably coupled with a plurality of gas outlets; a plurality of valve openings formed in the wall and aligned opposite the plurality of gas outlets; and at least one valve removably coupled to the wall and aligned with a first valve opening, wherein the valve is aligned with a first gas outlet and has a first position in which a first seat insert is not in fluid communication with the gas inlet.
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