公开(公告)号：US20190110653A1

公开(公告)日：2019-04-18

申请号：US16157838

申请日：2018-10-11

Applicant: Dyson Technology Limited

Inventor： Alexander Edward HUGHES ,  Ian Jeffrey STEPHENSON ,  Glyn Geoffrey REES-JONES ,  David Michael Charles POOLE

IPC: A47L9/28 ,  A47L9/10 ,  A47L5/22

Abstract: A vacuum cleaner has a main body, a motor-driven fan unit, a printed circuit board for controlling the motor-driven fan unit and a housing encasing a portion of the printed circuit board. A heat sink of the printed circuit board extends through the housing from an interior of the housing to an exterior of the housing. The printed circuit board is disposed within the main body such that the heat sink is located in an air-flow path through the main body.

公开(公告)号：US20170265698A1

公开(公告)日：2017-09-21

申请号：US15464718

申请日：2017-03-21

Applicant: Dyson Technology Limited

Inventor： Rowan John SHARPLEY ,  Michael Philip DAY ,  Glyn Geoffrey REES-JONES

IPC: A47L9/12 ,  B01D46/52 ,  B01D46/00

CPC classification number: A47L9/12 ,  A47L9/0081 ,  A47L9/122 ,  B01D46/0005 ,  B01D46/521 ,  B01D2279/55

Abstract: A vacuum cleaner that includes a suction motor and a filter assembly. The filter assembly surrounds at least part of the suction motor and has a frame to which a filter medium is attached. The filter medium is spaced from a wall of the frame such that an arcuate passageway is defined between the filter medium and the frame. A part of the air expelled by the suction motor enters a first end of the passageway and moves around the passageway in a clockwise direction. A further part of the air expelled by the suction motor enters a second end of the passageway and moves around the passageway in a counter-clockwise direction. Air within the passageway then passes through the filter medium.