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1. 发明授权

US5238451A Light eliminator for poultry house 失效
标题翻译：家禽灭蚊器
公开(公告)号：US5238451A
公开(公告)日：1993-08-24
申请号：US836737
申请日：1992-02-19
申请人： Fred A. Wulf , Robert Barnwell
发明人： Fred A. Wulf , Robert Barnwell
IPC分类号： A01K1/00 , A01K31/22 , F24F13/08
CPC分类号： A01K1/0047 , A01K31/22 , F24F13/08 , Y10S454/905
摘要： A light eliminator which permits passage of ventilating air but totally eliminates entry of light into the poultry house which includes a plurality of laterally spaced vertical fins or panels each of which is of a unique configuration which breaks the light four times in order to totally block the entry of light into a poultry house while maintaining a minimum air flow resistance with the fins being spaced apart by standoffs that are uniquely positioned with the fins generally being of W-shaped configuration whereby negative pressure within the poultry house provided by air circulating fans will not cause vibration or waffling of the fins when subjected to air velocities induced by high CFM capacity poultry house fans. The light eliminator is constructed of noncorrosive plastic material and can be assembled easily in a short period of time and is extremely durable resulting in low cost operation. The fins are straight on the inlet and exit side of the device to permit a straight air flow into the poultry house for elimination of dead air spots since air flow into the poultry house will not curve or angle to the sides.
摘要翻译：一种除光器，其允许通风空气通过，但完全消除了进入家禽房屋的光，该灯具包括多个横向隔开的垂直翅片或面板，每个垂直翅片或面板具有独特的构造，其将光四次打破以完全阻挡将灯进入禽舍，同时保持最小的气流阻力，翅片间隔开，这些支架是唯一定位的，翅片通常为W形构型，由空气循环风扇提供的禽舍内的负压不会当受到高CFM容量家禽舍风扇引起的空气速度时，引起翅片振动或晃动。除光器由非腐蚀性塑料材料构成，可以在短时间内容易地组装，并且非常耐用，导致低成本操作。翅片在装置的入口和出口侧是直的，以允许直接空气流入禽舍以消除死气点，因为进入家禽舍的空气不会弯曲或与侧面成角度。

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