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公开(公告)号：US20170038085A1
公开(公告)日：2017-02-09
申请号：US14946144
申请日：2015-11-19
Applicant: KAWANO GIKEN CO., LTD.
Inventor： Michihiko Kawano
CPC classification number: F24F9/00 , A47L9/02 , B03C3/011 , B03C3/41 , B03C2201/08 , B03C2201/14 , F24F2009/007
Abstract: [Object of the Invention] An object of the present invention is to develop an air curtain device generating parallel air flow based on the knowledge in that parallel air flow generated at the outlet of a turbulent flow runup zone does not include vortex flows and has strong air current interruption performance.[Disclosure of the Invention] An air curtain device comprises a first ventilation box comprising a discharge elbow provided with guide vanes, a honeycomb, an industrial use ventilating fan, a suction elbow provided with guide vanes, and a pre-filter, wherein the aforesaid elements are sequentially accommodated in a rectangular box whose one side surface is open and an outlet port of the discharge elbow provided with guide vanes and the pre-filter are disposed on the open side surface of the rectangular box, and a second ventilation box of the same structure as the first ventilation box, wherein the first ventilation box is put on an entrance floor with the discharge elbow provided with guide vanes above, and the second ventilation box is put on the entrance floor with the discharge elbow provided with guide vanes below, so that the first ventilation box and the second ventilation box oppose each other at their open side surfaces in a mutually upside-down manner and the first ventilation box and the second ventilation box are distanced from each other by a breadth Xg of the entrance, and wherein an entrance ceiling is provided to a breadth equal to the distance between the ventilation boxes so as to connect a top of the first ventilation box with a top of the second ventilation box, thereby forming an air curtain device entrance, wherein relation between the breadth Xg of the entrance of the air curtain device and a breadth D of the outlet ports of the discharge elbows provided with guide vanes is set at Xg≦5D.
Abstract translation: 发明内容一种空气幕装置包括：第一通风箱，包括设有导叶的排出弯头，蜂窝，工业用通风扇，设有导向叶片的吸入弯头和预过滤器，其中上述 元件顺序地容纳在一个侧面打开的矩形盒中，并且排出弯头的设有引导叶片的出口和预过滤器设置在矩形箱的敞开侧表面上，第二通风箱 与第一通风箱相同的结构，其中第一通风箱放置在入口地板上，放电弯头在上方设有导向叶片，第二个通风箱放在入口地板上，放电弯头设有导向叶片， 使得第一通风箱和第二通风箱在其敞开的侧面以相反的倒置方式彼此相对，并且第一通风 并且所述第二通风箱通过所述入口的宽度Xg彼此间隔开，并且其中入口天花板设置成等于所述通风箱之间的距离的宽度，以便将所述第一通风箱的顶部与 第二通风箱的顶部，从而形成气帘装置入口，其中，将气幕装置的入口的宽度Xg与设有导向叶片的排出弯头的出口的宽度D之间的关系设定为Xg ≤5D。
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公开(公告)号：US10018369B2
公开(公告)日：2018-07-10
申请号：US14946144
申请日：2015-11-19
Applicant: KAWANO GIKEN CO., LTD.
Inventor： Michihiko Kawano
CPC classification number: F24F9/00 , A47L9/02 , B03C3/011 , B03C3/41 , B03C2201/08 , B03C2201/14 , F24F2009/007
Abstract: [Object of the Invention] An object of the present invention is to develop an air curtain device generating parallel air flow based on the knowledge in that parallel air flow generated at the outlet of a turbulent flow runup zone does not include vortex flows and has strong air current interruption performance.[Disclosure of the Invention] An air curtain device comprises a first ventilation box comprising a discharge elbow provided with guide vanes, a honeycomb, an industrial use ventilating fan, a suction elbow provided with guide vanes, and a pre-filter, wherein the aforesaid elements are sequentially accommodated in a rectangular box whose one side surface is open and an outlet port of the discharge elbow provided with guide vanes and the pre-filter are disposed on the open side surface of the rectangular box, and a second ventilation box of the same structure as the first ventilation box, wherein the first ventilation box is put on an entrance floor with the discharge elbow provided with guide vanes above, and the second ventilation box is put on the entrance floor with the discharge elbow provided with guide vanes below, so that the first ventilation box and the second ventilation box oppose each other at their open side surfaces in a mutually upside-down manner and the first ventilation box and the second ventilation box are distanced from each other by a breadth Xg of the entrance, and wherein an entrance ceiling is provided to a breadth equal to the distance between the ventilation boxes so as to connect a top of the first ventilation box with a top of the second ventilation box, thereby forming an air curtain device entrance, wherein relation between the breadth Xg of the entrance of the air curtain device and a breadth D of the outlet ports of the discharge elbows provided with guide vanes is set at Xg≤5D.
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