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1. 发明授权

US5301512A Method and apparatus for making snow 失效
标题翻译：雪的方法和装置
公开(公告)号：US5301512A
公开(公告)日：1994-04-12
申请号：US758619
申请日：1991-09-12
申请人： Yasuo Yamamoto
发明人： Yasuo Yamamoto
IPC分类号： F25C3/00 , F25C3/04
CPC分类号： F25C3/04
摘要： A method and apparatus for continuously making snow at all times of the year comprises the creation of countless ice crystals from a mist in a controlled environment. The mist may have a ice crystal nucleus added to it to facilitate the development of the ice crystal at higher temperatures. The ice crystals are directed into an ultrasonic field generated by an transducer where the fall rate of the crystals levitated. While the crystals are within the ultrasonic field, the crystals grow into snowflakes as a result of collisions with other crystals. The snowflakes eventually fall out of the ultrasonic field as snow having a more natural appearance than more conventional snow-making techniques.
摘要翻译：在一年中的任何时候连续制作雪的方法和装置包括在受控环境中从雾中产生无数冰晶。雾可能具有加入其中的冰晶核，以促进冰晶在较高温度下的发展。冰晶被引导到由晶体悬浮的下降速率的换能器产生的超声场中。当晶体在超声场内时，由于与其他晶体的碰撞，晶体生长成雪花。雪花最终落在超声波领域之外，因为具有比传统制雪技术更自然的外观。

2. 发明授权

US5077914A Hair drying brush of water absorption type 失效
标题翻译：水吸收类型的头发干燥刷
公开(公告)号：US5077914A
公开(公告)日：1992-01-07
申请号：US640050
申请日：1991-01-11
申请人： Yasuo Yamamoto
发明人： Yasuo Yamamoto
IPC分类号： A46B9/02 , A46B5/00 , A46B15/00
CPC分类号： A46B5/00 , A46B2200/104
摘要： A brush for drying hair has a body with a hollow interior. The body has opposed surfaces with the surface on one side having teeth arranged in a more open or less dense pattern than the teeth on the opposite surface. The teeth on each face pass through a non-woven fabric sheet of water absorbant material with inner ends of the teeth seated in recesses in the inner body of the head of the brush. The non-woven fabric on one surface of the brush is isolated from the non-woven fabric on the other face so that its water absorbing function is isolated from the fabric on the other surface.

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