发明名称 |
INTEGRAL VACUUM FAN HOUSING |
摘要 |
A filter box for a surface maintenance machine incorporating aspects of a fan housing. In one example, a filter box for a sweeping machine is provided with an impeller fan housing beneath a cylindrical filter. Operation of the impeller fan draws air from a debris hopper, through the cylindrical filter, and through an expansion chamber defined by a scroll conduit prior to outlet to atmosphere. |
申请公布号 |
EP2278906(A1) |
申请公布日期 |
2011.02.02 |
申请号 |
EP20080744854 |
申请日期 |
2008.04.01 |
申请人 |
TENNANT COMPANY;ADELMAN, KURT CLARENCE;WYDRA, LARRY D. |
发明人 |
ADELMAN, KURT, CLARENCE;WYDRA, LARRY, DAVID |
分类号 |
A47L9/10;A47L5/22;A47L9/00 |
主分类号 |
A47L9/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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