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公开(公告)号：US5818014A
公开(公告)日：1998-10-06
申请号：US461258
申请日：1995-06-05
申请人： Donald P. Smith, deceased , Michael J. Dobie , Alden B. Sparman, Sr. , John R. Norris , Neal S. Cooper , Carl J. Dougherty
发明人： Donald P. Smith, deceased , Michael J. Dobie , Alden B. Sparman, Sr. , John R. Norris , Neal S. Cooper , Carl J. Dougherty
CPC分类号： H05B6/808 , G07F17/0078 , G07F9/105 , H05B6/6408 , H05B6/6473
摘要： A combination microwave and air impingement oven has two magnetrons and an air handling system that includes two or more reciprocating ducts through which air is dispensed into the oven. The rotating ducts are configured to stir microwave energy in the oven to prevent formation of hot spots and to sweep microwave radiation over the surface of the food product. A foraminous partition, configured to encircle a portion of the cooking chamber, has a central portion and extremities mounted to divide the interior of the cabinet into a cooking chamber and an air heating chamber. The partition extends around a major part of the periphery of the cooking chamber such that air is drawn along multiple paths toward side walls and toward the rear wall from the cooking chamber.
摘要翻译： 组合微波和空气冲击炉具有两个磁控管和一个空气处理系统，其包括两个或更多个往返管道，空气通过该往复管道被分配到烘箱中。 旋转导管构造成在烘箱中搅拌微波能量，以防止形成热点并在食品表面上扫描微波辐射。 构造成围绕烹饪室的一部分的多孔隔板具有安装的中心部分和四肢，以将机壳的内部分成烹饪室和空气加热室。 分隔件围绕烹饪室的周边的主要部分延伸，使得空气沿着多个路径被拉向侧壁并且从烹饪室朝向后壁。
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公开(公告)号：US06250296B1
公开(公告)日：2001-06-26
申请号：US09316718
申请日：1999-05-21
申请人： John R. Norris , Michael J. Dobie , Linda J. Talley , Jarald E. High , Carl J. Dougherty , Neal S. Cooper
发明人： John R. Norris , Michael J. Dobie , Linda J. Talley , Jarald E. High , Carl J. Dougherty , Neal S. Cooper
IPC分类号： A21B100
CPC分类号： A21B1/245 , A21B1/48 , F24C15/006
摘要： A convection oven with a filtration system for recirculated convection gas. The oven includes an interior chamber, a product support in the interior chamber and a blower in fluid communication with at least one duct (preferably a plurality) for circulating air into the interior chamber. The duct has a plurality of orifices positioned to direct temperature controlled gas toward the product support. At least one perforated filter plate with a plurality of bends is disposed within the interior chamber separating the interior chamber into a cooking chamber and an air return chamber. In leu of the filter plate the filtration system includes a plurality of louvers disposed in the interior chamber separating the interior chamber into a cooking chamber and an air return chamber, the louvers being downwardly inclined toward the cooking chamber and positioned such that the temperature controlled gas passes through the louvers before returning to the blower for recirculation into the air delivery duct. A catalytic converter is also provided in the return air path to capture and eliminate entrained food particles from the circulating gas.
摘要翻译： 具有用于再循环对流气体的过滤系统的对流烘箱。 烤箱包括内部室，内部室中的产品支撑件和与用于将空气循环到内部室中的至少一个管道（优选地多个）流体连通的鼓风机。 导管具有多个孔，定位成将温度受控气体引向产品支撑。 具有多个弯曲部的至少一个穿孔过滤板设置在内部室内，将内部室分离成烹饪室和空气返回室。 在过滤板的过滤系统中，过滤系统包括设置在内室中的多个百叶窗，其将内室分离成烹饪室和空气返回室，百叶窗朝向烹饪室向下倾斜，并定位成使得温度控制气体 在返回鼓风机之前通过百叶窗循环进入送风管道。 催化转化器还设置在返回空气路径中以捕获和消除来自循环气体的夹带的食物颗粒。
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公开(公告)号：US07087872B1
公开(公告)日：2006-08-08
申请号：US09959178
申请日：2000-04-19
CPC分类号： F24C15/166 , H05B6/6408 , H05B6/6485 , H05B6/708 , H05B6/745 , H05B6/80 , H05B2206/044
摘要： An oven, is provided that includes multiple heat transfer means, including convection and microwave heat transfer means. The oven includes a cooking chamber, a blower and at least a shelf disposed within the cooking chamber. The shelf is designed to act as a food support as well as a conduit through which heated air passes into the cooking chamber. The microwave heating means comprises a microwave source and wave guide through which microwaves travel. The wave guide includes a plurality of openings through which microwaves can pass into said cooking chamber. In the preferred embodiment, the openings in the wave guide are positioned to correspond with the predetermined minima or maxima for the microwave wavelength propagating within the wave guide. An electric heating element may also be disposed within the cooking chamber to provide an alternative heating source.
摘要翻译： 提供了一种包括多个传热装置的烘箱，包括对流和微波传热装置。 烘箱包括烹饪室，鼓风机和设置在烹饪室内的至少一个搁架。 搁板被设计成作为食物支架以及加热的空气通过该导管进入烹饪室的导管。 微波加热装置包括微波源和微波通过的波导。 波导包括多个开口，微波可通过该开口进入所述烹饪室。 在优选实施例中，波导中的开口被定位成对应于在波导内传播的微波波长的预定最小值或最大值。 电加热元件也可以设置在烹饪室内以提供替代的加热源。
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公开(公告)号：US6131559A
公开(公告)日：2000-10-17
申请号：US316719
申请日：1999-05-21
申请人： John R. Norris , Michael J. Dobie , Linda J. Talley , Jarald E. High , Carl J. Dougherty , Neal S. Cooper
发明人： John R. Norris , Michael J. Dobie , Linda J. Talley , Jarald E. High , Carl J. Dougherty , Neal S. Cooper
CPC分类号： A21B1/245 , A21B1/48 , F24C15/006
摘要： A convection heating apparatus with smoke and grease management means and an improved temperature controlled gas delivery system. The apparatus includes an exterior cabinet, an interior chamber and intermediate walls disposed between the exterior cabinet and interior chamber such that an intermediate cavity is provided between the interior chamber and intermediate walls and an outer cavity is provided between the exterior cabinet and intermediate walls. The apparatus further includes a product support, preferably a conveyor, disposed in the interior chamber. A blower for circulating temperature controlled gas into said interior chamber is also provided which is in fluid communication with at least one duct (preferably a plurality) having a jet plate with orifices positioned to direct temperature controlled gas toward the product support. A second blower is provided for circulating air through the outer cavity and intermediate cavity to cool the exterior cabinet walls and interior chamber walls. An improved air delivery duct is provided having a dual taper resulting in uniform distribution of the temperature controlled gas to a food product. An air filtering system is also provided comprising a perforated filter plate or louvers and/or catalytic converter disposed in the temperature controlled gas return path.
摘要翻译： 具有烟雾和油脂管理手段的对流加热装置和改进的温度控制气体输送系统。 该设备包括外部机柜，内部室和设置在外部机柜和内部室之间的中间壁，使得在内部室和中间壁之间设置中间空腔，并且在外部机柜和中间壁之间设置有外部空腔。 该装置还包括设置在内部室中的产品支撑件，优选地为输送器。 还提供一种用于将温度控制气体循环到所述内部室中的鼓风机，其与至少一个具有喷射板的管道（优选多个）流体连通，所述喷射板具有定位成将温度受控气体引向产品支架的孔。 提供第二鼓风机用于使空气循环通过外腔和中间腔以冷却外部机柜壁和内部室壁。 提供了一种改进的空气输送管道，其具有双锥度，导致温度受控气体均匀分布到食品中。 还提供一种空气过滤系统，其包括设置在温度控制的气体返回路径中的穿孔过滤板或百叶窗和/或催化转化器。
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公开(公告)号：US5155922A
公开(公告)日：1992-10-20
申请号：US594523
申请日：1990-10-09
申请人： Neal S. Cooper
发明人： Neal S. Cooper
摘要： A cable length measuring device, comprises guide rollers for maintaining the cable in a straight line along a given segment of a line, and two encoding wheels disposed tangentially to the straight segment cable; additional guides, the ends of which bearing against the cable are made of a wear resistant material, are provided between the guide rollers and the tangential wheel/cable contact area.
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