Vacuum cleaner provided with a fine dust filter in the outgoing air flow

Abstract

A vacuum cleaner includes a fine dust filter disposed in an exhaust air stream of a suction fan of the vacuum cleaner. A filter cartridge receptacle configured to replaceably receive the fine dust filter is provided. A lip seal is circumferentially disposed in a space between a lateral edge of the filter cartridge receptacle and a lateral edge of the fine dust filter.

1 - 10 . (canceled)  
   
   
       11 . A vacuum cleaner comprising: 
 a fine dust filter disposed in an exhaust air stream of a suction fan of the vacuum cleaner;    a filter cartridge receptacle configured to replaceably receive the fine dust filter; and    a lip seal circumferentially disposed in a space between a lateral edge of the filter cartridge receptacle and a lateral edge of the fine dust filter.    
   
   
       12 . The vacuum cleaner as recited in  claim 11  wherein the lip seal is circumferentially disposed on the lateral edge of the fine dust filter so as to rest with a bias “V” against the lateral edge of the filter cartridge receptacle.  
   
   
       13 . The vacuum cleaner as recited in  claim 12  wherein the fine dust filter has a cartridge-like configuration and includes a filter housing having a filter element disposed therein, the lip seal being circumferentially disposed on a lateral frame edge of the filter housing.  
   
   
       14 . The vacuum cleaner as recited in  claim 12  wherein the lip seal is injection-molded onto a rib of the fine dust filter.  
   
   
       15 . The vacuum cleaner as recited in  claim 13  wherein the lip seal is injection-molded onto a rib of the fine dust filter.  
   
   
       16 . The vacuum cleaner as recited in  claim 12  wherein the lip seal is secured in a lateral circumferential receiving device of the fine dust filter.  
   
   
       17 . The vacuum cleaner as recited in  claim 13  wherein the lip seal is secured in a lateral circumferential receiving device of the fine dust filter.  
   
   
       18 . The vacuum cleaner as recited in  claim 11  wherein the lip seal is circumferentially disposed on the lateral edge of the filter cartridge receptacle so as to rest with a bias against the lateral edge of the fine dust filter.  
   
   
       19 . The vacuum cleaner as recited in  claim 18  wherein the lip seal is injection-molded onto the lateral edge of the filter cartridge receptacle.  
   
   
       20 . The vacuum cleaner as recited in  claim 18  wherein the lip seal is secured in a lateral circumferential receiving device.  
   
   
       21 . The vacuum cleaner as recited in  claim 18  wherein the lip seal is disposed on a circumferential rib of the filter cartridge receptacle.  
   
   
       22 . The vacuum cleaner as recited in  claim 18  wherein the lip seal is injection-molded on a circumferential rib of the filter cartridge receptacle.