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公开(公告)号:US09988779B2
公开(公告)日:2018-06-05
申请号:US14915422
申请日:2013-09-02
CPC分类号: E01H4/00 , A01G15/00 , B60L11/18 , E01H5/10 , G05D1/0011
摘要: An unmanned mobile device for treating a snow covered surface having transport means adapted to the movement on snow and/or ice is disclosed. The device has compressing means of the snow for exerting a compression force on the snow in order to increase the specific weight thereof and/or varying means of the temperature of the surface of the snow.