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    • 6. 发明授权
    • Microwave field director structure having vanes with inner ends wrapped with a conductive wrapper
    • 具有叶片的微波场指导结构,其内端用导电包裹物包裹
    • US08455802B2
    • 2013-06-04
    • US12249124
    • 2008-10-10
    • Mehrdad MehdizadehWilliam R. Corcoran, Jr.
    • Mehrdad MehdizadehWilliam R. Corcoran, Jr.
    • H05B6/80
    • H05B6/704H05B6/74
    • A reusable self-supporting field director for use in a microwave oven is characterized by a plurality of vanes, each extending radially outwardly from a central axis. The vanes are supported in a slotted central support member. Each vane has a predetermined thickness dimension. Each vane comprises a substrate formed from an electrically non-conductive material having a predetermined coefficient of thermal expansion and an electrically conductive wrapper having a predetermined coefficient of thermal expansion that is different from the coefficient of thermal expansion of the substrate. The wrapper wraps the substrate so that a portion of the first and second major surfaces are covered and the radially inner end of each vane is wrapped by an electrically conductive material. The wrapper and the substrate are arranged in a laterally symmetric fashion so that thermal expansion effects due to heating are equalized across the thickness of each vane.
    • 用于微波炉的可重复使用的自支撑场导向器的特征在于多个叶片,每个叶片从中心轴线径向向外延伸。 叶片被支撑在开槽的中心支撑构件中。 每个叶片具有预定的厚度尺寸。 每个叶片包括由具有预定热膨胀系数的非导电材料形成的基板和具有与基板的热膨胀系数不同的预定热膨胀系数的导电封装件。 包装物包裹基底,使得第一和第二主表面的一部分被覆盖,并且每个叶片的径向内端由导电材料包裹。 包装物和基材以横向对称的方式布置,使得由于加热引起的热膨胀效应在每个叶片的厚度上相等。
    • 7. 发明授权
    • Microwave field director structure having vanes with outer ends wrapped with a conductive wrapper
    • 微波场指导结构具有叶片,外端用导电包裹物包裹
    • US08338765B2
    • 2012-12-25
    • US12249189
    • 2008-10-10
    • Mehrdad MehdizadehWilliam R. Corcoran, Jr.
    • Mehrdad MehdizadehWilliam R. Corcoran, Jr.
    • H05B6/80
    • H05B6/80H05B6/72
    • A reusable self-supporting field director for use in heating an article in a microwave oven is characterized by a plurality of vanes, each vane extending radially outwardly from a central axis and being angularly adjacent to two other vanes. The vanes are attached to each other at their inner ends. Each vane has a substrate formed from an electrically non-conductive material and an electrically conductive wrapper that wraps the substrate so that a portion of the first and second major surfaces are covered and the radially outer end of each vane is wrapped by an electrically conductive material. The wrapper and the substrate are arranged in a laterally symmetric fashion so that thermal expansion effects due to heating are equalized across the thickness of each vane.
    • 用于加热微波炉制品的可重复使用的自支撑现场指导器的特征在于多个叶片,每个叶片从中心轴线径向向外延伸并且与两个其它叶片成角度地相邻。 叶片在其内端彼此附接。 每个叶片具有由非导电材料形成的基底和导电包裹物,该包裹物包裹基底,使得第一和第二主表面的一部分被覆盖,并且每个叶片的径向外端由导电材料包裹 。 包装物和基材以横向对称的方式布置,使得由于加热引起的热膨胀效应在每个叶片的厚度上相等。
    • 8. 发明申请
    • SUSCEPTOR ASSEMBLY AND FIELD DIRECTOR ASSEMBLY FOR USE IN A MICROWAVE OVEN
    • 在MICROWAVE OVEN中使用的SUSCEPTOR总成和现场总监总成
    • US20120312810A1
    • 2012-12-13
    • US13524261
    • 2012-06-15
    • Nicole L. BlankenbecklerCheng-Hang ChiMehrdad MehdizadehRonald Jack Riegert
    • Nicole L. BlankenbecklerCheng-Hang ChiMehrdad MehdizadehRonald Jack Riegert
    • H05B6/64
    • H05B6/704B65D81/3446B65D2581/3466B65D2581/3472B65D2581/3494H05B6/6494H05B6/74
    • A susceptor assembly comprises a generally planar susceptor having an electric field director structure mechanically connected thereto. The field director structure includes at least one, but more preferably, a plurality of two or more vanes mechanically connected to the susceptor. Each vane has a surface at least a portion of which is electrically conductive. The vane(s) are most preferably disposed substantially orthogonal to the planar susceptor. The connection may be either a fixed or a flexible articulating connection.In use, such as in the presence of a standing electromagnetic wave generated within a microwave oven, only an attenuated electric field component of the electromagnetic wave exists in a plane tangent to the surface of the vane in the vicinity of the conductive portion of the vane. Attenuation of the electric field component of the electromagnetic wave in the plane tangent to the surface of the vane resulting in enhancement of the component of the electric field substantially orthogonal to the conductive surface.Rotation of the susceptor assembly within the oven, or variation of the standing electromagnetic wave generated within the oven (as by a mode stirrer) results in a substantially uniform warming, cooking and browning effect on a food product placed on the planar susceptor.
    • 感受器组件包括具有机械连接到其上的电场导向器结构的大致平面的基座。 场导向器结构包括机械地连接到基座的至少一个,但更优选地是多个两个或更多个叶片。 每个叶片具有至少一部分导电的表面。 叶片最优选地设置成基本上垂直于平面基座。 连接可以是固定的或柔性的铰接连接。 在使用中,例如在微波炉内产生的立体电磁波的存在下,在叶片的导电部附近的与叶片表面相切的平面内仅存在电磁波的衰减电场成分 。 在与叶片表面相切的平面中的电磁波的电场分量的衰减导致基本上与导电表面正交的电场分量的增强。 烤箱内的基座组件的旋转或烘箱内产生的驻留电磁波的变化(如通过模式搅拌器)导致对放置在平面基座上的食品产生基本均匀的变暖,烹调和褐变效应。
    • 10. 发明申请
    • Microwave Field Director Structure Having Vanes Covered With A Conductive Sheath
    • 微波场主任结构,具有覆盖有导电护套的叶片
    • US20090095746A1
    • 2009-04-16
    • US12249169
    • 2008-10-10
    • Mehrdad MehdizadehWilliam R. Corcoran, JR.
    • Mehrdad MehdizadehWilliam R. Corcoran, JR.
    • H05B6/80
    • H05B6/64H05B6/72
    • A reusable self-supporting field director for use in heating an article in a microwave oven is characterized by a plurality of vanes, with each vane extending radially outwardly from a central axis.Each vane is angularly adjacent to two other vanes and is attached to each other at their inner ends. Each vane has a predetermined thickness dimension.Each vane each vane has a substrate formed from an electrically non-conductive material having a predetermined coefficient of thermal expansion, and an electrically conductive sheath having a predetermined coefficient of thermal expansion that is different from the coefficient of thermal expansion of the substrate. The sheath encases the substrate so that a portion of the first and second major surfaces and a portion of the first and second minor surfaces of each vane are covered by an electrically conductive material. The sheath and the substrate are arranged in a laterally symmetric fashion so that thermal expansion effects due to heating are equalized across the thickness of each vane.
    • 用于加热微波炉中的制品的可重复使用的自支撑现场指导器的特征在于多个叶片,每个叶片从中心轴线径向向外延伸。 每个叶片与两个其他叶片成角度地相邻并且在它们的内端彼此附接。 每个叶片具有预定的厚度尺寸。 每个叶片每个叶片具有由具有预定热膨胀系数的非导电材料形成的基板,以及具有与基板的热膨胀系数不同的预定热膨胀系数的导电护套。 护套包住基底,使得第一和第二主表面的一部分以及每个叶片的第一和第二次表面的一部分被导电材料覆盖。 护套和衬底以横向对称的方式布置,使得由于加热引起的热膨胀效应在每个叶片的厚度上相等。