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公开(公告)号：US4965435A
公开(公告)日：1990-10-23
申请号：US352507
申请日：1989-05-16
摘要： The tunnel oven generally includes a long cooking compartment through which a conveyor transports food products. The conveyor is spaced from a front wall of the cooking compartment to provide an air return route and to provide a walkway to facilitate cleaning and maintenance of the oven. A blower draws air from the cooking compartment and discharges air into an air distribution chamber formed in an upper portion of the cooking chamber and vertically spaced from the conveyor. A pair of plenums in the cabinet adjacent one edge of the conveyor deliver air from the distribution chamber to a plurality of air dispensing ducts communicating with the plenums on opposite sides of the conveyor for dispensing air onto opposite sides of the conveyor.
摘要翻译： 隧道炉通常包括长的烹饪室，输送机通过该烹饪室输送食品。 输送机与烹饪室的前壁间隔开，以提供空气返回路线并提供走道以便于烤箱的清洁和维护。 鼓风机从烹饪室抽取空气，并将空气排放到形成在烹饪室的上部的空气分配室中，并与输送机垂直间隔开。 机柜中邻近输送机一个边缘的一对增压室将空气从分配室输送到多个空气分配管道，该输送管道与输送机的相对侧上的通风室连通，用于将空气分配到输送机的相对两侧。
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公开(公告)号：US5398666A
公开(公告)日：1995-03-21
申请号：US48817
申请日：1993-04-16
摘要： A method and apparatus for heating or cooling a product which includes a plurality of tapered ducts in a cabinet above and below a turntable to form streams which are directed toward the product. Spent air is drawn through intake openings in return ducts in the cabinet. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a product is loaded on the turntable in a loading zone to cause most of the heated air to be drawn to return duct openings and to maintain internal pressure in the baking zone in the cabinet to prevent ingress and egress of air through the loading opening. Orifices are formed in a circular array of rings such that the sum of the areas of orifices in each ring spaced from the axis about which the turntable rotates is substantially equal.
摘要翻译： 一种用于加热或冷却产品的方法和装置，该产品在转盘的上方和下方的柜中包括多个锥形管道，以形成指向产品的流。 废气通过柜内回风管中的进气口吸入。 温度控制气体以一定角度通过邻近开口的相对边缘的开口阵列传送，产品通过该开口装载在转盘上的装载区域中，以使大部分加热的空气被拉出以返回管道开口并保持内部 机柜内烘烤区的压力，以防止空气通过装载口进入和排出。 孔形成为圆环形阵列，使得每个环中与旋转台旋转的轴间隔开的孔的面积的总和基本相等。
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公开(公告)号：US5131841A
公开(公告)日：1992-07-21
申请号：US701583
申请日：1991-05-15
摘要： A method and apparatus for heating a product which includes a plurality of tapered ducts in a cabinet above and below a conveyor to form streams which are directed toward the product. Spent air is drawn through return ducts which have intake openings centered between entrance and exit openings in the cabinet and centered between lateral edges of a conveyor and between the tapered ducts to provide a balanced flow of spent air in the cabinet to the return opening. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a conveyor extends to cause most of the heated air to be drawn to the return duct opening and to maintain internal pressure in the cabinet to prevent ingress and egress of air through the opening.
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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：US5683240A
公开(公告)日：1997-11-04
申请号：US477846
申请日：1995-06-07
摘要： A method and apparatus for heating a product which includes a plurality of tapered ducts in a cabinet above and below a conveyor to form streams which are directed toward the product. Spent air is drawn through return ducts which have intake openings centered between entrance and exit openings in the cabinet and centered between lateral edges of a conveyor and between the tapered ducts to provide a balanced flow of spent air in the cabinet to the return opening. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a conveyor extends to cause most of the heated air to be drawn to the return duct opening and to maintain internal pressure in the cabinet to prevent ingress and egress of air through the opening.
摘要翻译： 一种用于加热产品的方法和装置，该产品在输送机上方和下方的柜中包括多个锥形导管，以形成指向产品的流。 废气通过返回管道被吸入，该回流管道具有以柜体入口和出口开口为中心的入口，并且位于输送机的侧边缘之间和锥形管道之间的中心位置，以将柜体中的废气平衡流向回流口。 温度控制的气体通过邻近开口的相邻边缘的开口阵列以一定角度被输送，输送机通过这些开口延伸，使得大部分加热的空气被吸引到返回管道开口并且保持机柜内的内部压力以防止进入 并通过开口排出空气。
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公开(公告)号：US4835351A
公开(公告)日：1989-05-30
申请号：US218502
申请日：1988-06-23
摘要： An oven comprising a cabinet having a plurality of cooking cavities; air recirculating units for circulating air through each cooking cavity; humidity control apparatus for controlling humidity of air circulated through the cavity. Programmable controls regulate air flow through the recirculating units to provide controlled pulses of air of controlled temperature and humidity to provide a desired surface moisture content.
摘要翻译： 一种烤箱，包括具有多个烹饪腔的机壳; 用于使空气循环通过每个烹饪腔的空气循环装置; 用于控制通过空腔循环的空气的湿度的湿度控制装置。 可编程控制器调节通过再循环单元的空气流，以提供受控温度和湿度的受控脉冲的空气，以提供所需的表面含水量。
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公开(公告)号：US4831238A
公开(公告)日：1989-05-16
申请号：US54748
申请日：1987-05-27
摘要： The tunnel oven generally includes a plurality of spaced cooking compartments through which a conveyor transports food products. An air distribution chamber is formed in an upper portion of each cooking chamber and is vertically spaced from the conveyor. A blower draws air from the cooking compartment and discharges air into the air distribution chamber in a plane generally parallel to the plane of the conveyor. A pair of plenums in the cabinet adjacent one edge of the conveyor deliver air from the distribution chamber to a plurality of air dispensing ducts communicating with the plenums on opposite sides of the conveyor for dispensing air onto opposite sides of the conveyor.
摘要翻译： 隧道式烤箱通常包括多个间隔开的烹饪隔室，输送机通过该烹饪隔室输送食品。 空气分配室形成在每个烹饪室的上部并且与输送机垂直间隔开。 鼓风机从烹饪室吸入空气，并在大致平行于输送机平面的平面内将空气排放到空气分配室内。 机柜中邻近输送机一个边缘的一对增压室将空气从分配室输送到与输送机相对侧的通风室连通的多个空气分配管道，用于将空气分配到输送机的相对两侧。
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公开(公告)号：US5423248A
公开(公告)日：1995-06-13
申请号：US187113
申请日：1994-01-26
IPC分类号： G06F15/16 , A21B1/24 , A21B1/48 , F24C15/32 , G06F15/173 , G06F15/80 , A23L3/00 , A21B1/00 , F27B9/04 , F27B9/28
摘要： A method and apparatus for heating a product which includes a plurality of tapered ducts in a cabinet above and below a conveyor to form streams which are directed toward the product. Spent air is drawn through return ducts which have intake openings centered between entrance and exit openings in the cabinet and centered between lateral edges of a conveyor and between the tapered ducts to provide a balanced flow of spent air in the cabinet to the return opening. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a conveyor extends to cause most of the heated air to be drawn to the return duct opening and to maintain internal pressure in the cabinet to prevent ingress and egress of air through the opening.
摘要翻译： 一种用于加热产品的方法和装置，该产品在输送机上方和下方的柜中包括多个锥形导管，以形成指向产品的流。 废气通过返回管道被吸入，该回流管道具有以柜体入口和出口开口为中心的入口，并且位于输送机的侧边缘之间和锥形管道之间的中心位置，以将柜体中的废气平衡流向回流口。 温度控制的气体通过邻近开口的相邻边缘的开口阵列以一定角度被输送，输送机通过这些开口延伸，使得大部分加热的空气被吸引到返回管道开口并且保持机柜内的内部压力以防止进入 并通过开口排出空气。
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公开(公告)号：US5404808A
公开(公告)日：1995-04-11
申请号：US817870
申请日：1992-01-07
申请人： Donald P. Smith , Jarald E. High , John R. Norris
发明人： Donald P. Smith , Jarald E. High , John R. Norris
IPC分类号： B65D81/34 , A23L35/00 , A47J39/00 , A47J41/00 , A47J47/14 , B65D81/18 , A21C13/00 , A21D8/02 , H05B3/36
CPC分类号： A47J47/145 , A47J39/00 , A47J41/0044 , Y10S99/15
摘要： A method and apparatus for maintaining a food product at or above a desired serving temperature wherein a volume of dehumidifier material, such as calcium sulfate, is heated to a temperature greater than the predetermined serving temperature of the food product and positioned in heat exchange relation with the food product, such that heat is transferred from the heated dehumidifier material to the food product and moisture is transferred from the food product to the dehumidifier material.
摘要翻译： 一种用于将食品保持在等于或高于所需服务温度的方法和设备，其中将一定体积的除湿剂材料（例如硫酸钙）加热到大于食品的预定使用温度的温度并且与 食品，使得热从加热的除湿剂材料转移到食品，并且水分从食品转移到除湿器材料。
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公开(公告)号：US5205274A
公开(公告)日：1993-04-27
申请号：US699774
申请日：1991-05-14
IPC分类号： A21B5/00 , A21B1/24 , A21B1/44 , A21B1/46 , A21B1/48 , A21B2/00 , F24C1/00 , F24C7/02 , F24C15/32 , H05B6/64 , H05B6/80
CPC分类号： H05B6/6411 , A21B1/245 , A21B1/44 , F24C15/08
摘要： A method and apparatus for heating or cooling a product which includes a plurality of tapered ducts in cabinet above and below a turntable to form streams which are directed toward the product. Spent air is drawn through intake openings in return ducts in the cabinet. Temperature controlled gas is delivered at an angle through an array of openings adjacent opposite edges of an opening through which a product is loaded on the turntable in a loading zone to cause most of the heated air to be drawn to return duct openings and to maintain internal pressure in the baking zone in the cabinet to prevent ingress and egress of air through the loading opening. Orifices are formed in a circular array of rings such that the sum of the areas of orifices in each ring spaced from the axis about which the turntable rotates is substantially equal.
摘要翻译： 一种用于加热或冷却产品的方法和装置，其在转盘的上方和下方包括多个锥形导管，以形成指向产品的流。 废气通过柜内回风管中的进气口吸入。 温度控制气体以一定角度通过邻近开口的相对边缘的开口阵列传送，产品通过该开口装载在转盘上的装载区域中，以使大部分加热的空气被拉出以返回管道开口并保持内部 机柜内烘烤区的压力，以防止空气通过装载口进入和排出。 孔形成为圆环形阵列，使得每个环中与旋转台旋转的轴间隔开的孔的面积的总和基本相等。
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