A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 13/42 (2006.01) A47L 5/12 (2006.01) A47L 9/04 (2006.01)
Patent
CA 2332221
A turbo-brush for cleaning a surface comprises a casing provided with a suction opening, a rotating brush, a turbine which has a rotor provided with vanes and is operationally connected to the brush, a suction nozzle and a suction pipe connected to a suction device; the casing has a housing inside which the turbine is rotatably supported for rotating about an axis of rotation; the suction nozzle is located between said brush and said turbine for sucking an air flow from the suction opening, direct it onto the brush and then towards the turbine; the housing of the turbine has at least one lip projecting to a distance from an outer end of the vanes of the turbine which ranges from 0.001 % to about 0.1 % of the diameter of said rotor of said turbine.
Marazzi Raffaele
Roschi Ermes
New Ermes Europe S.p.a.
Riches Mckenzie & Herbert Llp
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