US 7,607,195 B2Granted

Cleaning unit of roads and the like

AssigneeDulevo International S. p. A.

InventorFabrizio Tagliaferri

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Abstract

A cleaning unit is disclosed, comprising: a containment chamber (2) defining an accumulation base (10), a suction apparatus (3) including a suction inlet (6) positioned close to the ground, and a filtering apparatus (12), the suction apparatus (3) comprising primary suction means (4) and secondary suction means (5) positioned in parallel to one another above the accumulation base (10), the primary suction means (4) controlling said suction inlet (6) and the secondary suction means (5) being suitable to expel filtered air, and the containment chamber (2) including separating element (9) which separates the turbulent zone (5a), the air inside of which being highly turbulent, and a recirculation zone (4a), the air inside of which having a low turbulence, the recirculation zone (4a) being connected to the primary suction means (4) and the turbulent zone (5a) being connected to the secondary suction means (5).

Claims12

Dependent claims

Cleaning unit of roads and the like, comprising:

a containment chamber (2) defined by an accumulation base (10), a suction apparatus (3) including a suction inlet (6) positioned close to the ground, and a filtration apparatus (12),
said suction apparatus (3) being suitable to recycle the air, between said containment chamber (2) and said suction inlet (6), and including primary suction means (4) and secondary suction means (5) positioned in parallel to one another and above said accumulation base (10),
said primary suction means (4) controlling said suction inlet (6) and said secondary suction means (5) being suitable to expel filtered air,
and said containment chamber (2) including a separation element (9) that separates a turbulent zone (5a), in which exists air with a high level of turbulence and energy, and a recirculation zone (4a), in which exists air with a low level of turbulence and energy,
said primary suction means (4) being placed in said recirculation zone (4a) and said secondary suction means (5) being placed in said turbulent zone (5a).

2 more elements

Dependencies are inferred from the claim text.