EP1797808B1 - Staubsauger mit einem Motorgeräuschdämpfungssystem - Google Patents

Staubsauger mit einem Motorgeräuschdämpfungssystem Download PDF

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Publication number
EP1797808B1
EP1797808B1 EP06291439A EP06291439A EP1797808B1 EP 1797808 B1 EP1797808 B1 EP 1797808B1 EP 06291439 A EP06291439 A EP 06291439A EP 06291439 A EP06291439 A EP 06291439A EP 1797808 B1 EP1797808 B1 EP 1797808B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
filter member
motor
noise reduction
reduction system
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
EP06291439A
Other languages
English (en)
French (fr)
Other versions
EP1797808A2 (de
EP1797808A3 (de
Inventor
Sung-Cheol Lee
Hyun-Jun Oh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Gwangju Electronics Co Ltd
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 Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of EP1797808A2 publication Critical patent/EP1797808A2/de
Publication of EP1797808A3 publication Critical patent/EP1797808A3/de
Application granted granted Critical
Publication of EP1797808B1 publication Critical patent/EP1797808B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • 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
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • This invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner incorporating a noise reduction system designed to reduce the noise generated by the discharge of exhaust air when the motor is in operation.
  • exhaust noise is generated inside the housing when exhaust air is discharged from the motor.
  • exhaust air is conventionally discharged from the vacuum cleaner through a motor noise reduction system by the following process.
  • exhaust air passes through an opening 2a from the rear part of the motor 2 into the first exhaust channel 3.
  • exhaust air passes through an exhaust filter 5 installed on the inside of the a main body(not shown) of the vacuum cleaner, facing the upper surface of the outer casing, and is discharged from the vacuum cleaner.
  • the noise produced by the motor 2 can be reduced by increasing the length and modifying the course of the channels that it must travel through.
  • the exhaust air passes rapidly through the exhaust channels 3 and 4, and, when it changes direction following the course of the exhaust channels, collides with the inner casing 6 and outer casing 1 causing a vibration to develop, which is then transmitted to the a main body(not shown) of the vacuum cleaner and emitted into the environment.
  • the aim of this invention is to provide a vacuum cleaner comprising an alternative motor noise reduction system that can eliminate vibrations arising in the exhaust chambers and the noise that results from them.
  • this invention provides a vacuum cleaner according to claim 1.
  • the vibrations that arise by the exhaust air passing through the exhaust chambers and the noise resulting from them can be greatly reduced by omitting the long curved exhaust chambers along the side of the motor casing.
  • the filter member by being disposed so as to leave a space between its lower surface and the inside surface of the housing, makes it possible to discharge filtered exhaust air within the vacuum cleaner.
  • the motor casing may comprise a mount part housing the filter member on one side, a plurality of first exhaust openings on the upper surface of the mount part, and preferably also a plurality of second exhaust openings on one surface, to discharge air that has passed through the filter member.
  • the motor casing may also comprise at least one spacer interposed between the lower surface of the filter member and the inside surface of the casing of the vacuum cleaner adjacent to the filter member, to preserve a space between the two surfaces, and in this situation either vibration-absorbent or sound-absorbent parts may be used.
  • the vacuum cleaner may also comprise a door attached with a sliding mechanism to one side of the motor casing facing the lower surface of the filter member, and able to open outwards from the mount point of the filter member.
  • FIG. 1 is a sketch showing the motor noise reduction system in conventional vacuum cleaners
  • FIG. 2 is a sectional view showing the motor noise reduction system in an embodiment of this invention
  • FIG 3 is an expanded sectional view showing the mounted portion of the filter shown in FIG. 2 ,
  • FIG. 4 is a side view showing a different embodiment of the filter of FIG. 2 .
  • FIG. 5 is a plan view showing the sliding door opened outwardly from the main body of the vacuum cleaner in FIG. 2 ,
  • FIG 6 is a sectional view showing the suction path of the air in a vacuum cleaner containing a motor noise reduction system using an embodiment of this invention
  • FIGS. 7a and 7b are sectional views showing a different embodiment of the door supporting the filter member.
  • FIG. 8 is a graph comparing the noise emission from vacuum cleaners with conventional motor noise reduction systems and those with an embodiment of the current invention.
  • a suction part 11 which sucks the incoming dust into the dust collection chamber 13, through the suction nozzle and piping (not shown).
  • the dust collection chamber 13 can adopt a cyclone airflow, taking into account the dust collection capacity, and dust-laden air enters in through the suction part 11 at the lower end of the chamber.
  • a connecting channel 15 carrying the filtered air from the dust collection chamber 13 to the motor section 17, after the air has passed through a filter member (not shown) and the dust has been filtered from the air and collected in the dust collection chamber 13.
  • the motor section 17 includes a motor 21 to provide suction, an inner casing 19 covering the motor, and an outer casing 20 simultaneously covering the inner casing and housing the motor mount 23.
  • the inner casing 19 forms two layers, so on the sides and lower surface it is possible to have a plurality of first and second exhaust openings 19a, 19b, referring to FIG 3 , able to reduce the noise. In this situation the inner casing 19 is not restricted in the manner described above, and it is even possible to omit the inner casing 19 and only make use of the outer casing 20.
  • the outer casing 20 comprises a plurality of first exhaust openings 20a for discharging air that has passed through the second exhaust openings 19b of the inner casing 19 to the outside of the outer casing 20.
  • the first exhaust openings 20a can be arranged freely on the lower surface of the outer casing 20, except for the area where the motor mount 23 is located.
  • the mount part 25 inserted by a filter member 30 extends towards the outer edge of the lower surface as in FIG. 3 .
  • a cavity 26 may be formed along the inside circumference of the mount part 25, with a step 26a of a predetermined height. It is advisable that the height of the step 26a be determined by considering the exhaust capacity and filtering capacity together.
  • the mount part 25 may also comprise a plurality of second exhaust openings 25a.
  • the filter member 30 is supported by an outwardly openable sliding door located on one side of the housing of the vacuum cleaner.
  • a predetermined space is formed between a seat 52 of the sliding door 50 and the filter member 30, and in order that air that has passed through the filter member 30 may be discharged within the main body 10 of the vacuum cleaner, it is advisable that a plurality of spacers 40 be connected to the surface of the filter 30 member.
  • the spacers 40 in FIG 3 can maintain a space S of a predetermined height between the lower surface 33 of the filter member 30 and its seat 52 on the sliding door 50.
  • the volume of the space S can be readily determined by setting the height of the spacers 40 separately, taking into consideration their filtering capacity and exhaust capacity.
  • Either vibration-absorbent or sound-absorbent members of a predetermined consistency may be used, provided they are made of material of a consistency suitable for maintaining the predetermined space.
  • said spacers 40 be attached independently to the lower surface 33 of the filter member 30, or for a plurality of support projections 37 to be integrally formed on the surface part of the filter 30, as in FIG. 4 .
  • the sliding door 50 is connected slidingly to the housing 10 of the vacuum cleaner, as shown in FIG. 5 , and may slide open outwardly from the mount point 25, so the filter member 30 can be changed.
  • the sliding door 50 comprises a sliding groove 51, referring to FIG. 3 , on both sides, and individually inserted guide platforms on the housing 10.
  • a sliding door is shown, but there are no restrictions on the type of door that may be used, and so it is also possible to use a door 50 attached to the housing with a hinge, as in FIG. 7a , or a door 50 attached to the housing 10 with screws 55, as in FIG. 7b .
  • the spacers 40 may be designed in such a way they sit directly on the inside surface of the housing 10 of the vacuum cleaner.
  • FIG. 6 is a sectional view showing an outline of the suction path of the air taken into the vacuum cleaner containing a motor noise reduction system implementing this invention.
  • the air that has entered the motor section 17 passes through openings 21 a in the motor 21, and after passing successively through the first and second exhaust openings 19a, 19b in the inner casing 19, passes into the filter 30 through first exhaust openings 19a in the outer casing 20.
  • the long exhaust channels used in the conventional technology between the outer casing 20 and the filter member 30 are omitted, and filtered air which has passed through the first exhaust openings 25a in the outer casing 20 of the motor and through the filter member 30 can be discharged directly, so the vibrations which are generated in the exhaust channels of conventional vacuum cleaners and the noise resulting from these can be eliminated.
  • air that has passed through the filter member 30 passes through the second exhaust openings 25a of the mount part 25 and the spacers 40, and is discharged within the main body 10 of the vacuum cleaner in the space between the lower surface 33 of the filter member 30 and its seat on the sliding door.
  • the air discharged through the filter member 30 travels in the direction of the dust-collecting chamber 13, but it is applicable to all cases where the air is discharged within the housing and not expelled directly from the vacuum cleaner.
  • Air discharged within the main body 10 of the vacuum cleaner in this manner may be released to the outside of the vacuum cleaner through a grille, exhaust holes, or other means, which constitute part of the main body 10 of the vacuum cleaner.
  • the filter member 30 comprises structures that are not attached to the main body 10 of the vacuum cleaner, so restrictions on the location of the grille or exhaust filters in conventional vacuum cleaners, requiring them to be mounted on the upper part of the main body 10 of the vacuum cleaner due to the placement of the filter, can be removed, and restrictions on adding to the design of the main body 10 of the vacuum cleaner can also be resolved.
  • the motor axis is arranged perpendicularly to the main body 10 of the vacuum cleaner and the explanations assume the motor is installed in this manner. Comparing this arrangement with one in which the motor is installed horizontally relative to the housing, as shown in FIG. 8 , consumers can notice a reduction in the peak of the motor rotation frequency of approximately 5dBA (a base contrast in the constituent motor rotation frequency of 5dBA is detectable to consumers). This difference in the noise level results more from the motor rotating along a vertical rather than a horizontal axis, instead of from the vibrations generated in a vertical motor arrangement.
  • the long chambers located between the outer casing of the motor and the filter member in conventional vacuum cleaners are eliminated, and air that has passed through the filter from the exhaust holes on the outer casing of the motor can be discharged directly within the main body of the vacuum cleaner, so the vibrations which arise from passing through the confined exhaust chamber in conventional vacuum cleaners, and the noise resulting from this, are eliminated.
  • the casing of the vacuum cleaner can be designed freely, without restrictions on the location of the grille or exhaust holes, due to the installation of the filter member on the lower outside of the outer casing of the main frame at the time of the design of the main frame, so the location of the filter member on the installed exhaust side is not connected to the main frame and the inside of the housing can be fixed in place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (10)

  1. Staubsauger mit einem System zur Reduzierung des Motorgeräusches, mit
    einem Motorgehäuse (19,20) innerhalb eines Hauptgehäuses (10) des Staubsaugers, das einen Motor (21) bedeckt, und
    einem Filterglied (30), das lösbar an einer Seite (20) des Motorgehäuses angebracht ist,
    wobei Luft aus dem Inneren des Motorgehäuses (19,20) innerhalb des Hauptgehäuses (10) des Staubsaugers durch das Filterglied (30) abgegeben wird,
    dadurch gekennzeichnet, dass weiterhin ein oder mehrere Distanzstücke (40) zwischen der unteren Oberfläche des Filtergliedes (30) und einer inneren Oberfläche des Hauptgehäuses (10) des Staubsaugers, die der unteren Oberfläche des Filtergliedes (30) gegenüberliegt, vorgesehen ist.
  2. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 1 und 2, wobei das Filterglied (30) derart angeordnet ist, dass ein Zwischenraum bleibt zwischen der Oberfläche des Filtergliedes (30) und einer inneren Oberfläche des Hauptgehäuses (10) des Staubsaugers.
  3. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 1 oder 2, wobei das Motorgehäuse (20) weiterhin ein Montageteil (25) umfasst, in der das Filterglied (30) auf einer Seite des Motorgehäuses (20) hält.
  4. Staubsauger mit einem System zur Reduzierung des Motorgeräusches, gemäß Anspruch 3, wobei das Montageteil (25) weiterhin umfasst,
    eine Mehrzahl von ersten Auslassöffnungen (20a) auf einer oberen Oberfläche und
    eine Mehrzahl von zweiten Auslassöffnungen (25a) auf einer anderen Oberfläche, zur Abgabe von Luft, die durch das Filterglied (30) geströmt ist.
  5. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß einem der Ansprüche 1 bis 4, wobei das Filterglied (30) einen oder mehrere Stützvorsprünge (37) aufweist, die einstückig angeformt sind an eine untere Oberfläche (33) des Filtergliedes (30).
  6. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 1, wobei die Distanzstücke (40) vibrationsabsorbierende Glieder oder geräuschabsorbierende Glieder sind.
  7. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß einem der Ansprüche 1 bis 6, weiterhin mit einer Klappe (50) an einem Teil des Hauptgehäuses (10) des Staubsaugers gegenüber einer unteren Oberfläche (33) des Filtergliedes (30), die geöffnet wird zur Außenseite des Montageteils (25) des Staubsaugers.
  8. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 7, wobei die Klappe (50) an dem Hauptgehäuse (10) des Staubsaugers angebracht ist, mit einem Gleitmechanismus (51) auf beiden Seiten des Gehäuses (10) des Staubsaugers.
  9. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 7, wobei die Klappe (50) mit Hilfe eines Scharniermechanismus an einer Seite des Hauptgehäuses (10) des Staubsaugers angebracht ist.
  10. Staubsauger mit einem System zur Reduzierung des Motorgeräusches gemäß Anspruch 7, wobei die Klappe (50) mit Hilfe von Schrauben (55) an einer Seite des Hauptgehäuses (10) des Staubsaugers angebracht ist.
EP06291439A 2005-12-15 2006-09-12 Staubsauger mit einem Motorgeräuschdämpfungssystem Ceased EP1797808B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050123765A KR100725515B1 (ko) 2005-12-15 2005-12-15 모터 소음저감구조를 갖는 진공청소기

Publications (3)

Publication Number Publication Date
EP1797808A2 EP1797808A2 (de) 2007-06-20
EP1797808A3 EP1797808A3 (de) 2008-08-06
EP1797808B1 true EP1797808B1 (de) 2010-11-10

Family

ID=37133895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291439A Ceased EP1797808B1 (de) 2005-12-15 2006-09-12 Staubsauger mit einem Motorgeräuschdämpfungssystem

Country Status (6)

Country Link
US (1) US20070136982A1 (de)
EP (1) EP1797808B1 (de)
KR (1) KR100725515B1 (de)
CN (1) CN1981690A (de)
AU (1) AU2006213954A1 (de)
RU (1) RU2337604C2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101353311B1 (ko) 2005-12-27 2014-01-24 삼성전자주식회사 진공청소기
KR100837362B1 (ko) * 2006-10-31 2008-06-12 삼성광주전자 주식회사 진공청소기용 모터의 소음저감장치
EP1952742A3 (de) * 2007-02-05 2009-12-23 Samsung Gwangju Electronics Co., Ltd. Motorenanordnung und Staubsauger mit derselben
KR101436631B1 (ko) * 2007-11-19 2014-09-01 엘지전자 주식회사 진공 청소기
CN104414587A (zh) * 2013-09-06 2015-03-18 江苏美的春花电器股份有限公司 吸尘器及其进气装置
KR101509738B1 (ko) * 2014-10-27 2015-04-14 주식회사코네트인더스트리 진공청소기용 더스트컨테이너 조립체
KR102549125B1 (ko) * 2016-06-10 2023-06-30 삼성전자주식회사 로봇청소기
KR102492164B1 (ko) 2016-07-22 2023-01-30 삼성전자주식회사 진공 청소기
CN108209701B (zh) * 2018-04-04 2023-11-28 小狗电器互联网科技（北京）股份有限公司 吸尘器及其风道结构
CN112867422B (zh) 2018-10-19 2023-05-09 阿尔弗雷德·卡赫欧洲两合公司 具有声学角件的抽吸机
CN110541281A (zh) * 2019-10-08 2019-12-06 珠海格力电器股份有限公司 降噪结构、洗衣机

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
DE3443837A1 (de) * 1984-11-30 1986-06-05 Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart Staubsauger
DE3815321C2 (de) * 1988-05-05 1994-06-16 Licentia Gmbh Staubsauger
KR930001867A (ko) * 1991-07-26 1993-02-22 배순훈 저소음 진공청소기
US5479676A (en) * 1994-05-12 1996-01-02 Electrolux Corporation Vacuum cleaner
KR970009718A (ko) * 1995-08-31 1997-03-27 배순훈 진공 청소기의 배기 유로를 길게한 흡음방
KR100205687B1 (ko) 1997-08-30 1999-07-01 구자홍 진공청소기의 배기구조
KR20000007112U (ko) * 1998-09-26 2000-04-25 전주범 진공청소기의 배기구 구조
CA2476147C (en) * 2003-07-31 2008-06-03 Matsushita Electric Corporation Of America Motor enclosure for a vacuum cleaner
US7351269B2 (en) * 2003-12-22 2008-04-01 Lau Kwok Yau Self cleaning filter and vacuum incorporating same
KR100602239B1 (ko) 2003-12-24 2006-07-19 주식회사 대우일렉트로닉스 진공 청소기의 배기 유동 구조
US7475449B2 (en) 2003-12-24 2009-01-13 Daewoo Electronics Corporation Vacuum cleaner

Also Published As

Publication number Publication date
RU2006134480A (ru) 2008-04-10
US20070136982A1 (en) 2007-06-21
AU2006213954A1 (en) 2007-07-05
RU2337604C2 (ru) 2008-11-10
KR100725515B1 (ko) 2007-06-08
CN1981690A (zh) 2007-06-20
EP1797808A2 (de) 2007-06-20
EP1797808A3 (de) 2008-08-06

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