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发明名称
旋转式除沙淘米盆
摘要
一种除沙、淘米的用具,它既能除去细沙,又能除去粗沙,还不漏碎米。它的盆底有一圆形凹槽,集沙匙可卡在圆形凹槽里,也可取出来,转叶能套在集沙匙上,在人手的转动下,带动水和米作旋转运动。旋转着的水,由于离心力的缘故,形成外高内低的压力梯度;最底层的水受到盆底的摩擦,形成转速很低的边界层;该层水离心力很小,不能抗衡上层水形成的压力梯度,被压向,沙子亦随底层水流到集沙匙里。
申请公布号
CN2123375U
申请公布日期
1992.12.02
申请号
CN92202157.0
申请日期
1992.02.02
申请人
查日初
发明人
查日初
分类号
B03B5/02
主分类号
B03B5/02
代理机构
代理人
主权项
1、一种淘米用具,其特征是:盆底中央有一圆形凹槽,集沙匙可卡在圆形凹槽里,也能取出来,转叶能套在集沙匙柄上,绕柄转动,带动水和米作旋转运动。旋转着的水流,其底层水向中央流,沙子被底层水流冲到集沙匙里。
地址
623003四川省汶川县映秀湾发电厂子弟校
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