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SE547216C2 - Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner - Google Patents

Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner

Info

Publication number
SE547216C2
SE547216C2 SE2330250A SE2330250A SE547216C2 SE 547216 C2 SE547216 C2 SE 547216C2 SE 2330250 A SE2330250 A SE 2330250A SE 2330250 A SE2330250 A SE 2330250A SE 547216 C2 SE547216 C2 SE 547216C2
Authority
SE
Sweden
Prior art keywords
nozzle
nozzle assembly
suction gap
assembly
vacuum cleaner
Prior art date
Application number
SE2330250A
Other languages
Swedish (sv)
Other versions
SE2330250A1 (en
Inventor
Fredrik Kånge
Magnus Wennerström
Original Assignee
Electrolux Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Ab filed Critical Electrolux Ab
Priority to SE2330250A priority Critical patent/SE547216C2/en
Publication of SE2330250A1 publication Critical patent/SE2330250A1/en
Publication of SE547216C2 publication Critical patent/SE547216C2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

A vacuum cleaner nozzle assembly (2, 2’) is disclosed configured to be moved over a surface (30) along a movement direction (md). The nozzle assembly (2, 2’) comprises a nozzle (3, 3’) configured to form at least one suction gap (G1, G2, G1', G2’) between the nozzle (3, 3’) and a surface (30), a sensor assembly (4) configured to provide data representative of the size of particles (p1, p2) on the surface (30) in front of the nozzle assembly (2, 2’) as seen relative to the movement direction (md), a variable suction gap mechanism (5, 5’) controllable to adjust the size of the at least one suction gap (G1, G2, G1', G2’), and a control arrangement (21) configured to control the variable suction gap mechanism (5, 5’) based on the data from the sensor assembly (4). The present disclosure further relates to a vacuum cleaner (1, 1') comprising a nozzle assembly (2, 2’).

Claims (6)

1. A vacuum cleaner nozzle assembly (2, 2') configured to be moved over a surface (30) along a movement direction (md), wherein the nozzle assembly (2, 2') comprises: a nozzle (3, 3') configured to form at least one suction gap (G1, G2, G1', G2') between the nozzle (3, 3') and a surface (30) when the nozzle (3, 3') is positioned in an intended use position against the surface (30), a sensor assembly (4) configured to provide data representative of the size of particles (p1, p2) on the surface (30) in front of the nozzle assembly (2, 2') as seen relative to the movement direction (md), a variable suction gap mechanism (5, 5') controllable to adjust the size of the at least one suction gap (G1, G2, G1', G2'), and a control arrangement (21) configured to control the variable suction gap mechanism (5, 5') based on the data from the sensor assembly (4). wherein the nozzle assembly (2, 2') comprises a suction channel (6, 6') fluidly connected to the nozzle (3, 3'), and characterized in that the nozzle assembly (2, 2') comprises a sensor (7) configured to detect movement of particles (p1, p2) through the suction channel (6, 6'), and wherein the control arrangement (21) is configured to adapt the control of the variable suction gap mechanism (5, 5') based on data from the sensor (7). _ The nozzle assembly (2, 2') according to claim 1, wherein the variable suction gap mechanism (5, 5') is controllable between a first state and a second state, wherein the at least one suction gap (G1, G2, G1', G2') is larger when the variable suction gap mechanism (5, 5') is in the second state than when the variable suction gap mechanism (5, 5') is in the first state, and wherein the control arrangement (21) is configured to control the variable suction gap mechanism (5, 5') to the second state based on the detection of a particle (p2) being larger than a threshold size. The nozzle assembly (2, 2') according to claim 2, wherein the control arrangement (21) is configured to control the variable suction gap mechanism (5, 5') to the first state in case no particle (p2) is detected being larger than the threshold size. The nozzle assembly (2, 2') according to claim 2 or 3, wherein the sensor assembly (4) is configured to provide data representative of distances (d) between the nozzle (3, 3') and particles (p2) on the surface (30) in front of the nozzle (3, 3'), and wherein the control arrangement (21) is configured to control the variable suction gap mechanism (5,5') between the first and second states based on the distances (d) between the nozzle (3, 3') and particles (p2) on the surface (30). The nozzle assembly (2, 2') according to claim 4, wherein the control arrangement (21) is configured to control the variable suction gap mechanism (5, 5') to the second state when the data indicates that a particle (p2) is at a threshold distance (d') from the nozzle (3, 3'). The nozzle assembly (2, 2') according to any one of the claims 2 - 5, wherein the height (h1, h2, h1', h2') of the at least one suction gap (G1, G2, G1', G2'), as measured in a direction (d2) perpendicular to the surface (30), is greater when the variable suction gap mechanism (5, 5') is in the second state than When the variable suction gap mechanism (5, 5') is in the first state. The nozzle assembly (2, 2') according to claim 1 l, wherein the control arrangement (21) is configured to monitor the size of particles (p1, p2) detected by the sensor assembly (4), compare the monitored size of particles (p1, p2) with data from the sensor (7), and adapt the control of the variable suction gap mechanism (5, 5') based on the comparison. The nozzle assembly (2, 2') according to any one of the preceding claims, wherein the control arrangement (21) is configured to classify particles (p1, p2) detected by the sensor assembly (4) into different categories by analysing the data provided by the sensor assembly (4), and wherein the control arrangement (21) is configured to adapt the control of the variable suction gap mechanism (5, 5') based on the category of particles (p1, p2) detected by the sensor assembly (4). The nozzle assembly (2, 2') according to any one of the preceding claims, wherein the sensor assembly (4) comprises at least one camera (4'). The nozzle assembly (2, 2') according to any one of the preceding claims, wherein the sensor assembly (4) comprises at least one laser (4”). The nozzle assembly (2, 2') according to any one of the preceding claims, wherein the variable suction gap mechanism (5, 5') comprises a shield member (8, 8') and an actuator (9, 9') configured to move the shield member (8, 8') relative to the nozzle (3, 3') to adjust the size of the at least one suction gap (G1, G2, G1', G2').The nozzle assembly (2) according to claim 11,wherein the actuator (9) is configured to move the shield member (8) in directions (d1, d2) to and from the surface (30) to adjust the size of the at least one suction gap (G1, G2). The nozzle assembly (2') according to claim 11, wherein the actuator (9') is configured to move the shield member (8') in directions (dp) parallel to the surface (30) to adjust the size of the at least one suction gap (G1', G2'). The nozzle assembly (2') according to any one of the claims 11 - 13, wherein the nozzle (3') comprises a number of openings (11) arranged adjacent to each other along the nozzle (3') and wherein the shield member (8') comprises a number of shield portions (12) each arranged to cover one opening (11) of the number of openings (11) when the variable suction gap mechanism (5') is in a first state and is arranged to be moved to a position in which at least part of the opening (11) is uncovered When the variable suction gap mechanism (5') is transitioned to a second state. The nozzle assembly (2, 2') according to any one of the preceding claims, wherein the nozzle assembly (2, 2') comprises a brush member (13, 13') configured to rotate around a rotation axis (ax, ax') during operation of the nozzle assembly (2, 2'). The nozzle assembly (2, 2') according to claim 15 and any one of the claims 11 - 14, wherein the shield member (8, 8') is arranged in front of the rotation axis (ax, ax') as seen along the movement direction (md). A vacuum cleaner (1, 1') comprising a motor/fan unit (15, 15') and a nozzle assembly (2, 2') according to any one of the preceding claims, wherein the motor/fan unit (15, 15') is configured to generate suction at the nozzle (3, 3') of the nozzle assembly (2, 2') during operation of the vacuum cleaner (1, 1'). The vacuum cleaner (1, 1') according to claim 17, wherein the vacuum cleaner (1, 1') is a robotic vacuum cleaner. The vacuum cleaner (1, 1') according to claim 17 or 18, wherein the control arrangement (21) of the nozzle assembly (2, 2') is configured to input data representative of a current position of the vacuum cleaner (1, 1') and is configured to adapt the control of the variable suction gap mechanism (5, 5') based on the current position of the vacuum cleaner (1, 1').
SE2330250A 2023-06-01 2023-06-01 Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner SE547216C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2330250A SE547216C2 (en) 2023-06-01 2023-06-01 Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2330250A SE547216C2 (en) 2023-06-01 2023-06-01 Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner

Publications (2)

Publication Number Publication Date
SE2330250A1 SE2330250A1 (en) 2024-12-02
SE547216C2 true SE547216C2 (en) 2025-06-03

Family

ID=94036304

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2330250A SE547216C2 (en) 2023-06-01 2023-06-01 Vacuum Cleaner Nozzle Assembly and Vacuum Cleaner

Country Status (1)

Country Link
SE (1) SE547216C2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061646A1 (en) * 2005-12-22 2007-06-28 Vorwerk & Co. Interholding Gmbh Method for powering of floor nozzle requires the use of sensor to determine dust particle size which controls the raising or lowering of limiter
US20190029486A1 (en) * 2017-07-27 2019-01-31 Neato Robotics, Inc. Dirt detection layer and laser backscatter dirt detection
US20190133400A1 (en) * 2016-05-11 2019-05-09 Aktiebolaget Electrolux Adjusting height of a robotic cleaning device
EP3310233B1 (en) * 2015-06-19 2019-11-27 Vorwerk & Co. Interholding GmbH Suction nozzle for a vacuum cleaner
CN111938524A (en) * 2019-05-14 2020-11-17 添可智能科技有限公司 A cleaning component and cleaning machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061646A1 (en) * 2005-12-22 2007-06-28 Vorwerk & Co. Interholding Gmbh Method for powering of floor nozzle requires the use of sensor to determine dust particle size which controls the raising or lowering of limiter
EP3310233B1 (en) * 2015-06-19 2019-11-27 Vorwerk & Co. Interholding GmbH Suction nozzle for a vacuum cleaner
US20190133400A1 (en) * 2016-05-11 2019-05-09 Aktiebolaget Electrolux Adjusting height of a robotic cleaning device
US20190029486A1 (en) * 2017-07-27 2019-01-31 Neato Robotics, Inc. Dirt detection layer and laser backscatter dirt detection
CN111938524A (en) * 2019-05-14 2020-11-17 添可智能科技有限公司 A cleaning component and cleaning machine

Also Published As

Publication number Publication date
SE2330250A1 (en) 2024-12-02

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