US 11,937,759 B2
Vacuum cleaner
Thomas Keller, St. Gallen (CH)
Assigned to Diversey Switzerland Services GmbH, Muchwilen TG (CH)
Filed by Diversey, Inc., Fort Mill, SC (US)
Filed on Aug. 24, 2022, as Appl. No. 17/894,463.
Application 17/894,463 is a continuation of application No. 17/470,175, filed on Sep. 9, 2021, granted, now 11,452,412.
Application 17/470,175 is a continuation of application No. 16/096,420, granted, now 11,116,369, issued on Sep. 14, 2021, previously published as PCT/EP2017/059997, filed on Apr. 26, 2017.
Claims priority of application No. 16167356 (EP), filed on Apr. 27, 2016.
Prior Publication US 2022/0400913 A1, Dec. 22, 2022
Int. Cl. A47L 9/00 (2006.01); A47L 5/36 (2006.01); A47L 9/12 (2006.01); A47L 9/14 (2006.01); A47L 9/22 (2006.01)
CPC A47L 9/0081 (2013.01) [A47L 5/365 (2013.01); A47L 9/127 (2013.01); A47L 9/14 (2013.01); A47L 9/22 (2013.01); A47L 9/009 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A vacuum cleaner comprising:
a container delimiting an inner collection volume;
a suction unit provided with a motor and an impeller coupled with the motor, the suction unit having at least one inlet port at an impeller inlet side, and at least one outlet port at an impeller outlet side; and
an air channeling unit operative between the container and the suction unit, the air channeling unit having an intake side facing the inner collection volume, wherein the air channeling unit comprises: a collector having a suction mouth at said intake side of the air channeling unit, the collector comprising a peripheral wall having a front edge delimiting an outer perimeter of the suction mouth and an inner wall, which is located radially inside the peripheral wall, the inner wall including an exterior wall portion facing the peripheral wall, an interior wall portion facing the inlet port and a shoulder extending therebetween,
a deflector positioned at said intake side and radially extending at least over a central portion of the suction mouth, the collector and the deflector delimiting a suction channel connecting the suction mouth to the inlet port of the suction unit; wherein the suction channel comprises a first tract, a second tract, and a third tract, wherein the first tract and second tract comprise continually tubular volume; and
wherein on a first side of the shoulder opposite the collection volume, the shoulder receives an annular support body that supports a first axial end the suction unit and further wherein on a second opposite side of the shoulder facing the collection volume, a number of connecting elements extend between the shoulder and a side of the deflector opposite the collection volume such that the deflector is suspended in the middle of the suction mouth.