EP1952742A2 - Motorenanordnung und Staubsauger mit derselben - Google Patents

Motorenanordnung und Staubsauger mit derselben Download PDF

Info

Publication number
EP1952742A2
EP1952742A2 EP07290857A EP07290857A EP1952742A2 EP 1952742 A2 EP1952742 A2 EP 1952742A2 EP 07290857 A EP07290857 A EP 07290857A EP 07290857 A EP07290857 A EP 07290857A EP 1952742 A2 EP1952742 A2 EP 1952742A2
Authority
EP
European Patent Office
Prior art keywords
motor
inner case
air
air passing
case
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.)
Withdrawn
Application number
EP07290857A
Other languages
English (en)
French (fr)
Other versions
EP1952742A3 (de
Inventor
Kyong-Hui Jeon
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 EP1952742A2 publication Critical patent/EP1952742A2/de
Publication of EP1952742A3 publication Critical patent/EP1952742A3/de
Withdrawn legal-status Critical Current

Links

Images

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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the present invention relates to a vacuum cleaner, and more particularly, to a motor assembly configured to reduce noise generated in a suction motor and a vacuum cleaner having the same.
  • a vacuum cleaner draws in dust using a suction force generated by a suction motor and collects the dust in a dust-collecting chamber.
  • the vacuum cleaner employs a high output motor having a high number of revolutions per minute (RPMs).
  • RPMs revolutions per minute
  • Korean Patent Publication No. 2006-0117711 entitled “MOTOR ASSEMBLY AND VACUUM CLEANER HAVING THE SAME” is an example of research on a noise blocking structure.
  • a suction motor including a motor body and a motor blade part, an inner motor casing configured to enclose at least a part of the suction motor, and at least one outer motor casing configured to enclose at least a part of the inner motor casing.
  • the inner and outer motor casings respectively comprise porous plates in which a plurality of passing holes are formed. Air discharged from the suction motor flows through the plurality of passing holes included in the inner motor casing and the plurality of passing holes included in the outer motor casing, and accordingly, the direction of the airflow may change.
  • a conventional motor assembly includes a porous plate in a motor case, and a flow of air discharged from a motor changes while passing through the plurality of passing holes formed in the porous plate, in the same manner as in Korean Patent Publication No. 2006-O117711 . Accordingly, it is possible to reduce peak noise generated in the motor, but there are limitations to reduce flow noise generated by the airflow.
  • Exemplary embodiments of the present invention overcome the above disadvantages and other disadvantages not described above. Also, the present invention is not required to overcome the disadvantages described above, and an exemplary embodiment of the present invention may not overcome any of the problems described above.
  • the present invention provides a motor assembly with an improved construction of a motor case which simultaneously reduces peak noise and flow noise generated in a motor.
  • a motor assembly comprising a suction motor; at least one inner case which is configured to enclose the suction motor; at least one outer case which is configured to enclose the suction motor and the inner case; and exhaust passages which are formed between the suction motor and the inner case and between the inner case and the outer case, and through which an exhaust air discharged from the suction motor passes. Areas of the exhaust passages may be repeatedly enlarged or reduced in a direction in which the exhaust air flows.
  • the direction of the exhaust passages may repeatedly change so that a direction of the exhaust air may repeatedly changes.
  • the motor assembly may further comprise a grill part which is included in the exhaust passages to filter dust contained in the exhaust air.
  • the inner case may comprise a first inner case, of which an upper part is opened, and which is mounted to enclose a motor discharging hole formed in a lower part of the suction motor, the first inner case including at least one first air passing hole configured to discharge air discharged from the motor discharging hole; and a second inner case, of which an upper part and a lower part are opened, and which is mounted to enclose the first inner case, the second inner case including second air passing holes and an exhaust passage through which air discharged from the first air passing hole is enabled to flow.
  • the outer case may comprise a first outer case which is mounted to enclose an upper part of the suction motor and includes third air passing holes corresponding to the second air passing holes; and a second outer case which is mounted to enclose the second inner case and is connected to the first outer case.
  • the grill part may comprise a grill member which is mounted between the second inner case and the second outer case, and the grill member includes a filter member which is configured to filter fine dust from the air discharged from the suction motor.
  • Two first air passing holes may be mounted opposite each other at the top of the first inner case.
  • the second air passing holes may be mounted opposite each other at positions opposite the positions of the first air passing holes at the top of the second inner case.
  • a vacuum cleaner comprising a main body in which a dust-collecting chamber is partitioned from a motor chamber; a brush assembly which is fluidly communicated with the dust-collecting chamber and includes an inflow opening through which external air containing dirt is drawn in; and a motor assembly which is mounted in the motor chamber to be fluidly communicated with the wake of the dust-collecting chamber so that a suction force is generated.
  • the motor assembly may comprise a suction motor; at least one inner case which is configured to enclose the suction motor; at least one outer case which is configured to enclose the suction motor and the inner case; and exhaust passages which are formed between the suction motor and the inner case and between the inner case and the outer case, and through which an exhaust air discharged from the suction motor passes. Areas of the exhaust passages may be repeatedly enlarged or reduced in a direction in which the exhaust air flows.
  • FIG. 1 is a perspective view showing a vacuum cleaner in which a motor assembly according to an exemplary embodiment of the present invention is employed;
  • FIG. 2 is a perspective view showing a motor assembly according to an exemplary embodiment of the present invention
  • FIG. 3 is a view showing the motor assembly according to the exemplary embodiment of the present invention cut along line III-III in FIG. 2 ;
  • FIG. 4 is a view showing the motor assembly according to the exemplary embodiment of the present invention cut along line IV-IV in FIG. 2 ;
  • FIG. 5 is a view taken from the top of the motor assembly, excluding a first outer case according to the exemplary embodiment of the present invention.
  • FIG. 6 is a side view, partially cut away, showing a portion of a second inner case, a second outer case, and a grill member according to the exemplary embodiment of the present invention.
  • FIG. 1 is a perspective view showing a vacuum cleaner 10 in which a motor assembly 100 according to an exemplary embodiment of the present invention is employed
  • FIG. 2 is a perspective view showing the motor assembly 100 according to an exemplary embodiment of the present invention.
  • a canister type vacuum cleaner is described, but the present invention is not limited thereto. Accordingly, an upright type vacuum cleaner, a stick type vacuum cleaner or other cleaners can be applied as the vacuum cleaner according to the exemplary embodiment of the present invention.
  • the vacuum cleaner 10 includes a main body 1 of the cleaner, a brush assembly 2, an extension pipe 3, and a flexible hose 4.
  • the brush assembly 2 may draw in external air containing dirt from a cleaning surface therethrough, and the external air containing dirt drawn in through the brush assembly may enter into a dust-collecting apparatus (not shown) installed inside the main body 1 through the extension pipe 3 and flexible hose 4. After dirt is separated from the dust-collecting apparatus (not shown), the cleaned air may be discharged to the outside of the main body 1 through the motor assembly 100.
  • the vacuum cleaner 10 according to the exemplary embodiment of the present invention has the same configuration as a general canister type vacuum cleaner, so detailed description of the vacuum cleaner 10 will be omitted.
  • the motor assembly 100 includes a suction motor 110, an inner case 130, an outer case 150, and a grill part 170.
  • FIG. 3 is a view showing the motor assembly according to the exemplary embodiment of the present invention cut along line III-III in FIG. 2
  • FIG. 4 is a view showing the motor assembly according to the exemplary embodiment of the present invention cut along line IV-IV in FIG. 2 .
  • the suction motor 110 generates a suction force so that the brush assembly 2 may draw in external air containing dirt from the cleaning surface.
  • a motor suction hole 111 may be formed at the top center of the motor, and a motor discharging hole 113 may be formed on a lower outer circumference of the motor so that air drawn in through the suction hole can be discharged.
  • the suction motor 110 according to the exemplary embodiment of the present invention may be implemented by a high output motor having a high number of revolutions per minute (RPMs), which is employed in a general vacuum cleaner.
  • RPMs revolutions per minute
  • the inner case 130 may be mounted to enclose a lower part of the suction motor 110 and may include a first inner case 131 and a second inner case 134.
  • an upper part of the first inner case 131 may be opened so that the first inner case 131 may enclose the motor discharging hole 113 of the suction motor 110 and may be spaced away from the motor discharging hole 113 at a predetermined distance by inserting the suction motor 110 into the first inner case 131.
  • the first inner case 131 may be formed in the shape of a rectangular parallelepiped of which the edges are rounded. Additionally, a pair of first air passing holes 132 through which exhaust air discharged through the motor discharging hole 113 passes may be formed in the top of the first inner case 131 at positions opposite each other.
  • a passage space S 1 through which the exhaust air passes may be formed between an outer circumference of the suction motor 110 and an inner circumference of the first inner case 131, as shown in FIGS. 3 and 4 .
  • the second inner case 134 may be formed in the shape of a rectangular parallelepiped of which an upper part and a lower part are opened so that the first inner case 131 may be inserted in the second inner case 134 to enclose the first inner case 131.
  • an extension plate 135 may be extended in a direction perpendicular to an outer circumference of the second inner case 134.
  • a pair of second air passing holes 136 may be formed opposite each other on some edges of the extension plate 135 of the second inner case 134. Referring to FIGS. 3 and 4 , air discharged through the first air passing holes 132 may flow to the bottom of the second inner case 134 through a passage space S2 formed between an outer circumference of the first inner case 131 and an inner circumference of the second inner case 134.
  • the outer case 150 may be mounted so as to enclose the suction motor 110 and inner case 130, and may include a first outer case 151 and a second outer case 156.
  • the first outer case 151 may include a rounded part 152 which has a form corresponding to an upper part of the suction motor 110, and an inflow opening 153 may be formed at a position corresponding to the motor suction hole 111 of the suction motor 110 in the top center of the suction motor 110.
  • the inflow opening 153 may be fluidly communicated with the dust-collecting apparatus (not shown) in the vacuum cleaner.
  • the first outer case 151 may include a sidewall 154 which encloses the rounded part 152 at a predetermined distance. In the bottom of the rounded part 152 and sidewall 154, third air passing holes 155 may be formed at a position corresponding to the second air passing holes 136 in a form corresponding to the second air passing holes 136.
  • the filter member 175 may be inserted into an inner side of the grill member 171 to filter dust from the air passing through the grill member 170.
  • a passage space S3 may be formed on a bottom surface of the grill part 170 and a bottom surface of the second outer case 156 for air discharged from the grill discharging hole 172 to flow through.
  • a passage space S4 may be formed between an outer circumference of the second inner case 134 and an inner circumference of the second outer case 156 for air passing through the passage space S3 to flow through.
  • a passage space S5 may be formed between an outer circumference of the rounded part 152 of the first outer case 151 and an inner circumference of the sidewall 154 for air passing through the second and the third air passing holes 136 and 155 to flow through.
  • the external air may enter into the dust-collecting apparatus (not shown) in the main body 1 through the extension pipe 3 and flexible hose 4, and dust may be separated. Cleaned air may then enter into the suction motor 110 from the dust-collecting apparatus through the inflow opening 153 of the first outer case 151 and the motor suction hole 111, and may be discharged through the motor discharging hole 113. Referring to FIGS. 3 and 4 , the air discharged through the motor discharging hole 113 may move along an exhaust passage P1 towards the first air passing holes 132 through the passage space S 1 formed between the outer circumference of the suction motor 110 and the inner circumference of the first inner case 131.
  • the exhaust air may be caused to change direction at a predetermined angle between the outer circumference of the suction motor 110 and the inner circumference of the first inner case 131, and then may move towards the first air passing holes 132. Subsequently, the air passing through the first air passing holes 132 may move along an exhaust passage P2 towards the grill part 170 through the passage space S2 formed between the outer circumference of the first inner case 131 and the inner circumference of the second inner case 134.
  • fine dust contained in the exhaust air may be filtered by the filter member 175 of the grill part 170, and fine dust-removed air may flow along an exhaust passage P3 towards the second air passing holes 136 and the third air passing holes 155 through the passage space S3 formed on the bottom surface of the grill part 170 and the bottom surface of the second outer case 156, and the passage space S4 between the outer circumference of the second inner case 134 and the inner circumference of the second outer case 156.
  • the air passing through the second air passing holes 136 and the third air passing holes 155 may be then discharged to the outside of the motor assembly 100 through remaining exhaust passages and the passage space S5 formed between the outer circumference of the rounded part 152 of the first outer case 151 and the inner circumference of the sidewall 154, which are connected to the outside.
  • the above-described exhaust passages indicate a discharging route along which the air discharged through the motor discharging hole 113 flows, through the exhaust passage P1 towards the first air passing holes 132 and the exhaust passage P2, through grill discharging holes 172 of the grill part 170.
  • the air is then discharged to the outside through the second air passing holes 136, the third air passing holes 155 and the passage space S5 along the exhaust passage P3.
  • the air discharged through the motor discharging hole 113 of the suction motor 110 may pass through the first air passing holes 132 having areas relatively smaller than the passage space S1, and may then be discharged to the passage space S2 having an area relatively larger than the first air passing holes 132.
  • the air passing through the grill part 170 may pass through the second air passing holes 136 and the third air passing holes 155 which have areas relatively smaller than the passage space S4, and may then be discharged to the passage space S5 having an area relatively larger than the second air passing holes 136 and the third air passing holes 155.
  • the areas of the exhaust passages formed by the inner case 130 and the outer case 150 may be repeatedly enlarged or reduced, and accordingly the speed of the air passing through the exhaust passages may be repeatedly increased or decreased. Therefore, the peak noise and flow noise generated in the suction motor 110 can be simultaneously reduced.
  • the air discharged from the suction motor may be discharged through the exhaust passages of which areas may be repeatedly enlarged and reduced, and thus the peak noise generated from the air discharged from the suction motor may decrease together with the flow noise. Therefore, a user can clean without enduring much noise.
  • the air discharged from the suction motor may be discharged through the grill member including the filter member mounted inside the motor assembly, and accordingly, it is possible to discharge cleaned air to the outside of the vacuum cleaner, and thus improve cleaning efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
EP07290857A 2007-02-05 2007-07-09 Motorenanordnung und Staubsauger mit derselben Withdrawn EP1952742A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20070011659 2007-02-05

Publications (2)

Publication Number Publication Date
EP1952742A2 true EP1952742A2 (de) 2008-08-06
EP1952742A3 EP1952742A3 (de) 2009-12-23

Family

ID=39386463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07290857A Withdrawn EP1952742A3 (de) 2007-02-05 2007-07-09 Motorenanordnung und Staubsauger mit derselben

Country Status (1)

Country Link
EP (1) EP1952742A3 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015032152A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器
WO2015032151A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器及其进气装置
WO2015032150A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器及其排气装置
CN104414593A (zh) * 2013-09-06 2015-03-18 江苏美的春花电器股份有限公司 吸尘器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815320A1 (de) * 1988-05-05 1989-11-16 Licentia Gmbh Staubsauger
US5720074A (en) * 1995-08-31 1998-02-24 Daewoo Electronics Co., Ltd Vacuum cleaner having a noise reduction system
EP1721557A1 (de) * 2005-05-13 2006-11-15 Samsung Gwangju Electronics Co., Ltd. Motoranordnung und Staubsauger mit derselben
EP1797808A2 (de) * 2005-12-15 2007-06-20 Samsung Gwangju Electronics Co., Ltd. Staubsauger mit einem Motorgeräuschdämpfungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815320A1 (de) * 1988-05-05 1989-11-16 Licentia Gmbh Staubsauger
US5720074A (en) * 1995-08-31 1998-02-24 Daewoo Electronics Co., Ltd Vacuum cleaner having a noise reduction system
EP1721557A1 (de) * 2005-05-13 2006-11-15 Samsung Gwangju Electronics Co., Ltd. Motoranordnung und Staubsauger mit derselben
EP1797808A2 (de) * 2005-12-15 2007-06-20 Samsung Gwangju Electronics Co., Ltd. Staubsauger mit einem Motorgeräuschdämpfungssystem

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015032152A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器
WO2015032151A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器及其进气装置
WO2015032150A1 (zh) * 2013-09-06 2015-03-12 江苏美的春花电器股份有限公司 吸尘器及其排气装置
CN104414593A (zh) * 2013-09-06 2015-03-18 江苏美的春花电器股份有限公司 吸尘器
CN104414593B (zh) * 2013-09-06 2016-12-28 江苏美的清洁电器股份有限公司 吸尘器

Also Published As

Publication number Publication date
EP1952742A3 (de) 2009-12-23

Similar Documents

Publication Publication Date Title
KR100844130B1 (ko) 팬 모터용 케이스 조립체
US7604674B2 (en) Dust separating apparatus
JP4425020B2 (ja) サイクロン分離装置及びこれを備える真空掃除機
JP4146351B2 (ja) フィルターハウジング
AU2005290417B2 (en) Multi cyclone collector
KR100549990B1 (ko) 진공청소기용 집진장치
JP6175560B2 (ja) 掃除機
KR20040095374A (ko) 진공청소기용 사이클론 집진장치
JP2006175423A (ja) グリル部材、これを備えるサイクロン集塵装置及び真空掃除機
CN109952051B (zh) 真空吸尘器
KR100809738B1 (ko) 진공청소기
US11445877B2 (en) Dust collector, vacuum cleaner, and self-propelled vacuum cleaner
JP2004167206A (ja) グリル組立体及びそれを備えた真空掃除機用サイクロン集塵装置
EP1952742A2 (de) Motorenanordnung und Staubsauger mit derselben
US20060257269A1 (en) Motor assembly and vacuum cleaner having the same
CN104159488B (zh) 电动吸尘器
JP4698276B2 (ja) 空気清浄機
KR100756321B1 (ko) 팬 모터용 케이스 조립체
CN111281264A (zh) 家用吸尘器
KR100444327B1 (ko) 업라이트형 진공청소기의 필터 지지구조
US11641992B2 (en) Dust collector, vacuum cleaner, and self-propelled vacuum cleaner
KR20050026166A (ko) 진공청소기
KR200466747Y1 (ko) 진공청소기
JP2009022349A (ja) 電気機器及び電気掃除機
KR20010076238A (ko) 업라이트형 진공 청소기의 배기구조

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100202