US2021106193A1PendingUtilityA1

Wet and dry vacuum cleaner

Assignee: HILTI AGPriority: Mar 22, 2018Filed: Mar 21, 2019Published: Apr 15, 2021
Est. expiryMar 22, 2038(~11.7 yrs left)· nominal 20-yr term from priority
A47L 9/248A47L 9/12A47L 7/0019
53
PatentIndex Score
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Claims

Abstract

A wet and dry vacuum cleaner having a vacuum cleaner head, having a dirt container and having an inlet fitting which is designed for the connection of a suction hose, wherein the inlet fitting is connected in terms of flow to an inlet connector, which is situated in the wet and dry vacuum cleaner, of the wet and dry vacuum cleaner such that dirt particles that are drawn in can pass via the inlet connector into the dirt container, wherein the inlet connector is designed as a diffuser with horizontal outflow.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 - 10 . (canceled) 
     
     
         11 . A wet and dry vacuum cleaner comprising:
 a vacuum cleaner head having a dirt container and having an inlet fitting designed for the connection of a suction hose, the inlet fitting being connected in terms of flow to an inlet connector situated in the wet and dry vacuum cleaner such that dirt particles drawn in can pass via the inlet connector into the dirt container,   the inlet connector being designed as a diffuser with horizontal outflow.   
     
     
         12 . The wet and dry vacuum cleaner recited in  claim 11  wherein a suction flow through the inlet connector designed as the diffuser is directed toward an inner wall of the dirt container. 
     
     
         13 . The wet and dry vacuum cleaner as recited in  claim 12  wherein the inner wall of the dirt container is a side wall of the dirt container. 
     
     
         14 . The wet and dry vacuum cleaner as recited in  claim 12  wherein the inlet connector has a diffuser opening, a wall spacing of the diffuser opening with respect to the inner wall being less than one fifth of a container width of the dirt container. 
     
     
         15 . The wet and dry vacuum cleaner as recited in  claim 11  wherein a cross-sectional area of a diffuser opening of the diffuser is at least 50 percent larger than a cross-sectional area of the inlet fitting in a region of the wall passage into the dirt container. 
     
     
         16 . The wet and dry vacuum cleaner as recited in  claim 11  wherein the inlet connector is arranged in a volume defined by the dirt container. 
     
     
         17 . The wet and dry vacuum cleaner as recited in  claim 16  wherein the inlet connector is arranged exclusively in the volume. 
     
     
         18 . The wet and dry vacuum cleaner as recited in  claim 11  further comprising an electric turbine arranged in the vacuum cleaner head. 
     
     
         19 . The wet and dry vacuum cleaner as recited in  claim 11  further comprising a dirt filter positioned, in relation to the suction flow, downstream of the inlet connector. 
     
     
         20 . The wet and dry vacuum cleaner as recited in  claim 11  wherein the inlet connector is formed as a single piece. 
     
     
         21 . The wet and dry vacuum cleaner as recited in  claim 11  wherein the inlet connector is formed integrally on the dirt container. 
     
     
         22 . The wet and dry vacuum cleaner as recited in  claim 11  wherein the inlet connector is composed of plastic.

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