公开(公告)号：US5971765A

公开(公告)日：1999-10-26

申请号：US621060

申请日：1996-03-22

申请人： James Gill ,  Dylan Hixon ,  James Lux ,  Martin Becker

发明人： James Gill ,  Dylan Hixon ,  James Lux ,  Martin Becker

IPC分类号： A63F7/04 ,  A63F9/00 ,  F15D1/00 ,  G09B23/12 ,  B04C3/00

CPC分类号： F15D1/00 ,  G09B23/12 ,  A63F2009/0087 ,  A63F7/045

摘要： A system and method for generating tornadoes and other vortex phenomen in an open air, free space enviroment is disclosed. The system includes a flat surface or deck suspended above the ground, a circular hole in the center of the deck, a means for creating an updraft through the hole in the deck and fans or other air moving means for creating a swirling air flow. Preferably, the fans for swirling the air are angled approximately 45 degrees relative to the vertical axis of the updraft flow through the center hole. For swirling the air at higher elevations, as well as at ground level, a multi level fan arrangement having the layers of fans spaced relative to the deck is used. Alternatively, a single level of fans are used in conjunction with louvers or vanes for deflecting the blown air into a fan shape. In another embodiment of the present invention, tangential flow is established by using a multiplicity of tubes for returning air flow from a plenum above an updraft fan. Higher elevation air swirling is accomplished by providing vents in the return columns along the entire length. The vents can be holes in the columns or arrangements of adjustable or fixed vanes. Controls, including valves and shutters, are positioned in the return tubes for adjusting air flow patterns. The present system and method does not require containing chambers to remove external perturbations and to constrain air flow, actively, as opposed to passively, creates the swirling tangential flow, can be operated or performed indoors or outdoors and works with an asymmetric air flow.

摘要翻译： 公开了一种用于在露天，自由空间环境中产生龙卷风和其他涡流现象的系统和方法。 该系统包括悬挂在地面上方的平坦表面或甲板，甲板中心的圆形孔，通过甲板上的孔产生上升气流的装置，以及用于产生旋转空气流的风扇或其它空气移动装置。 优选地，用于旋转空气的风扇相对于通过中心孔的上升气流的垂直轴线成大约45度。 为了在较高海拔以及地面上旋转空气，使用具有相对于甲板间隔开的风扇层的多级风扇装置。 或者，单级风扇与百叶窗或叶片一起使用，以将吹入的空气偏转成扇形。 在本发明的另一个实施例中，通过使用多个管来从上升气流风扇上方的气室返回空气流来建立切向流动。 通过在整个长度上的返回柱中提供通风口来实现较高的高程空气涡流。 通风口可以是可调节或固定叶片的列或排列中的孔。 控制器，包括阀门和百叶窗，位于回流管中，用于调节气流模式。 本系统和方法不需要包含室以去除外部扰动并且主动地限制空气流动，而不是被动地产生旋流切向流，可以在室内或室外操作或执行，并且与非对称空气流一起工作。

公开(公告)号：US06279254B1

公开(公告)日：2001-08-28

申请号：US09178666

申请日：1998-10-26

申请人： James G. Gill ,  Dylan Hixon ,  James Lux ,  Martin J. Becker

发明人： James G. Gill ,  Dylan Hixon ,  James Lux ,  Martin J. Becker

IPC分类号： G09F1900

CPC分类号： G09F19/00

摘要： A fan advertising device has a portable barrel with a fan, a pivotable or tiltable stand and a modified exterior fan housing. Metal fittings on the inside of the barrel, near the output end of the fan, allow for connection of metal inserts for accessories. The sock is held in place by a shock cord that fits into a groove on the exterior of the fan housing near the output end. A circular opening is located below the groove but above the fan to allow various objects, such as ping pong balls, to be placed into the airstream inside the sock. Those objects act as noise makers, attracting attention to and adding to the visual effectiveness of the sock. A light may be attached to the grate on the inside of the fan allowing for illumination of the entire sock. Illuminating the sock is useful for increasing visibility during darker hours.

摘要翻译： 风扇广告装置具有带有风扇的便携式桶，可枢转或可倾斜的支架和改进的外部风扇壳体。 在机筒内部附近的金属配件，靠近风扇的输出端，允许金属插件连接附件。 袜子通过在输出端附近的风扇壳体的外部的凹槽中的冲击线保持在适当的位置。 圆形开口位于凹槽下方但位于风扇之上，以允许各种物体（例如乒乓球）放置在袜子内的空气流中。 这些物体作为噪音制造者，引起了对袜子视觉效果的关注和增添。 灯可以附着在风扇内部的格栅上，从而可以照亮整个袜子。 照亮袜子对于在较暗的时间内提高可见度是有用的。