EP1929915A2 - Carter de moteur de ventilateur - Google Patents

Carter de moteur de ventilateur Download PDF

Info

Publication number
EP1929915A2
EP1929915A2 EP07012252A EP07012252A EP1929915A2 EP 1929915 A2 EP1929915 A2 EP 1929915A2 EP 07012252 A EP07012252 A EP 07012252A EP 07012252 A EP07012252 A EP 07012252A EP 1929915 A2 EP1929915 A2 EP 1929915A2
Authority
EP
European Patent Office
Prior art keywords
fan motor
air
case
exhaust duct
motor 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Withdrawn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
EP07012252A
Other languages
German (de)
English (en)
Inventor
Kyoung-Hui Jeon
Jun-Hwa Lee
Seung-Gee Hong
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 EP1929915A2 publication Critical patent/EP1929915A2/fr
Withdrawn legal-status Critical Current

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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
    • A47L9/0081—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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Definitions

  • the present disclosure relates to a fan motor, and more particularly, to a fan motor case capable of blocking vibration and noise generated from the fan motor.
  • a fan motor is for sucking air by rotating a plurality of blades and includes a blade part having the plurality of the blades and a motor for rotating the blade part.
  • the fan motor is used for various purposes, particularly is widely used in a vacuum cleaner for cleaning by sucking dust containing air.
  • the fan motor is used as a suction force generator for generating suction force in the vacuum cleaner.
  • the fan motor used in the vacuum cleaner includes an impeller in which a plurality of blades is radially arranged and a motor for rotating the impeller. The impeller therefore rotates to suck air with rotation of the motor and the sucked air is discharged to an outside through the motor.
  • An aspect of the present disclosure is to provide a fan motor case capable of minimizing noise generated by discharged air.
  • the above aspect and/or other feature of the present disclosure can substantially be achieved by providing a fan motor case, which includes a fan motor; a case part wholly surrounding the fan motor and formed with an air inflow port at an upper surface thereof and an air discharging port for discharging air at a side surface thereof; and an exhaust duct connected to the air discharging port of the case part and formed along the side surface of the case part so that its width is widened in the direction that the air is discharged.
  • the exhaust duct may be inclined in the air discharging direction. Particularly, it is preferable that the exhaust duct is inclined in an upward direction.
  • an outlet of the exhaust duct is formed in the same direction as the air inflow port.
  • a fan motor case which includes a fan motor; a lower motor case surrounding a lower portion of the fan motor and having a lower case part formed with an air discharging port at a side surface thereof and a lower exhaust duct formed from the air discharging port along the side surface of the lower case part with a width being widened in a direction that the air is discharged; and an upper motor case surrounding an upper portion of the fan motor, formed to correspond to the lower motor case, and including an upper exhaust duct and an upper case part.
  • the lower exhaust duct and the upper exhaust duct are upwardly inclined in the air discharging direction.
  • an outlet of the upper exhaust duct is formed in the same direction as the air inflow port.
  • an upper buffing member is installed between the upper case part and the fan motor and a lower buffing member is installed between the lower case part and the fan motor.
  • Fig. 1 is a perspective view illustrating a fan motor case according to an embodiment of the present disclosure
  • Fig. 2 is an exploded perspective view illustrating the fan motor case of Fig. 1 ;
  • Fig. 3 is a sectional view taken along line III-III of the fan motor case of Fig. 1 ;
  • Figs. 4 is a perspective view illustrating the fan motor case of Fig. 1 , in which an upper motor case is removed;
  • Fig. 5 is a perspective view illustrating an air flow in the fan motor case according to an embodiment of the present disclosure.
  • Fig. 1 is a perspective view illustrating a fan motor case according to an embodiment of the present disclosure
  • Fig. 2 is an exploded perspective view illustrating the fan motor case of Fig. 1
  • Fig. 3 is a sectional view taken along line III-III of the fan motor case of Fig. 1 .
  • a fan motor case 1 includes a fan motor 10, a case part 3 and an exhaust duct 5.
  • the fan motor 10 is for generating suction force for sucking air and includes an impeller 11 provided with a plurality of blades (not shown) which are radially arranged and a motor 15 for rotating the impeller 11.
  • the motor 15 and the impeller 11 are substantially identical to a motor and an impeller of a fan motor according to the prior art, and thus detailed structure and operation thereof will not be described herein.
  • An air inlet 12 is formed at an upper surface of the impeller 11 of the fan motor 10 and a plurality of air outlets 16 are formed at a peripheral surface of a lower portion of the motor 15.
  • the case part 3 wholly surrounds the fan motor 10 and makes the air discharged in multi-flow from the plurality of the air outlets 16 of the fan motor 10 to form a single air flow.
  • an air discharging port 32 for discharging air therefrom is formed at a side surface of the case part 3.
  • an air inflow port 23 corresponding to the air inlet 12 of the fan motor 10 is formed at an upper surface of the case part 3.
  • the exhaust duct 5 communicates with to the air discharging port 32 of the case part 3.
  • the exhaust duct 5 is formed with a predetermined length along the side surface of the case part 3 and a width of the exhaust duct 5 is gradually widened in a direction in which air is discharged.
  • a height of the exhaust duct 5 is constant across the entire length thereof
  • a sectional area of the inlet of the exhaust duct 5 is therefore smaller than a sectional area of the outlet of the exhaust duct 5.
  • the exhaust duct 5 may be installed with inclination along a moving direction of the air discharged from the air discharging port 32. At this time, it is preferable that the exhaust duct 5 is upwardly inclined in the air moving direction.
  • the outlet of the exhaust duct 5 may be formed so that the air passed through the exhaust duct 5 is discharged in one direction among an upper direction, a lower direction and a side direction of the case part 3 according to a structure of the apparatus in which the fan motor case 1 is installed.
  • the outlet 26 of the exhaust duct 5 is formed in a same direction as the air inflow port 23 of the case part 3.
  • the exhaust duct 5 may be formed as a separate part from the case part 3 or formed integrally with the case part 3.
  • the fan motor case 1 shown in Fig. 2 is a case in which the case part 3 and the exhaust duct 5 are formed integrally and which includes a lower motor case 30 and an upper motor case 20.
  • the lower motor case 30 includes a lower case part 31 which is apart by a predetermined distance from the fan motor 10 and formed to surround the lower portion of the fan motor 10 and a lower exhaust duct 35 formed along a side surface of the lower case part 31.
  • the air discharging port 32 is formed at the side surface of the lower case part 31 and the lower exhaust duct 35 communicates through the air discharging port 32 with a space 37 which is formed between the lower case part 31 and the fan motor 10.
  • a portion 31b of the side surface of the lower case part 31 forms a side surface of the lower exhaust duct 35.
  • width W of the lower exhaust duct 35 is gradually widened in the direction in which the air is discharged and the lower exhaust duct 35 is formed with an upward inclination.
  • the lower exhaust duct 35 forming a flow passage in which the air discharged from the lower case part 31 flows is formed in a helical shape of which width W is widened in the direction in which the air is discharged as shown in Fig. 2 .
  • a buffing member recess 33 in which a lower buffing member 42 is installed, is formed at a center of the lower surface 31a of the lower motor case 30 and two protrusions 34 are formed at vicinities of the buffing member recess 33 so as to fix the lower buffing member 42.
  • the lower buffing member 42 is for preventing vibration generated from the fan motor 10 from being transferred to the lower motor case 30 and formed in a circular ring shape.
  • the lower buffing member 42 is made of a material capable of absorbing vibration such as rubber.
  • two fitting parts 43 which are inserted onto the two protrusions 34 formed at the lower motor case 30 are formed at an outer periphery of the lower buffing member 42.
  • the lower buffing member 42 is stably fixed to the lower motor case 30 as the two fitting parts 43 of the lower buffing member 42 are inserted onto the two protrusions 34 of the lower motor case 30 and thus the lower buffing member 42 is seated in the buffing member recess 33.
  • each of the four lower coupling protrusions 39 is formed as a screw hole so as to fasten the upper motor case 20 to the lower motor case 30 with a fastening element such as a screw.
  • the upper motor case 20 surrounds an upper portion of the fan motor 10 and is formed in a shape corresponding to the lower motor case 30.
  • the upper motor case 20 consists of an upper case part 21 formed in a shape corresponding to the lower case part 31 of the lower motor case 30 and an upper exhaust duct 25 formed in a shape corresponding to the lower exhaust duct 35.
  • the upper exhaust duct 25 has therefore a width which is gradually widened in the direction in which the air is discharged and is formed with an upper inclination.
  • the upper case part 21 and the lower case part 31 form the single case part 3 wholly surrounding the fan motor 10 and the upper exhaust duct 25 and the lower exhaust duct 35 form the single exhaust duct 5 in which the air discharged from the case part 3 flows.
  • the air inflow port 23 is formed at an upper surface 21a of the upper case part 21 and the air inflow port 23 is formed in a shape capable of guiding the inflow air to smoothly enter the air inlet 12 of the fan motor 10.
  • a buffing member seat (not shown) is provided so as to install an upper buffing member 41.
  • the upper buffing member 41 is for preventing vibration generated from the fan motor 10 from being transferred to the upper motor case 20 and is formed in a circular ring shape.
  • the upper buffing member 41 is made of a material capable of absorbing vibration such as rubber.
  • the outlet 26 of the upper exhaust duct 25 is formed at an outer periphery of the upper surface 21 a of the upper case part 21. At this time, it is preferable that the outlet 26 of the upper exhaust duct 25 is formed in perpendicular to the upper surface 21a of the upper case part 21. In other words, it is preferable that a central axis 26a of the outlet 26 of the upper exhaust duct 25 is formed in parallel to a central axis 23 a of the air inflow port 23.
  • upper coupling protrusions 29 are formed at positions corresponding to the lower coupling protrusions 39 in order to couple the upper motor case 20 to the lower motor case 30.
  • An upper coupling hole 29a is provided at each of the four upper coupling protrusions 29. It is preferable that the upper coupling hole 29a is formed as a through hole so as to allow a fastening screw to penetrate when fastening the upper motor case 20 to the lower motor case 30 with a fastening element such as the screw.
  • case part 3 and the exhaust duct 5 forming the fan motor case 1 are cut at approximately middle of their height to form the upper motor case 20 and the lower motor case 30, but this is for convenient assembly and the present disclosure is not limited in the case.
  • Fig. 5 the upper motor case 20 is shown in phantom line in order to illustrate clearly air flow inside the fan motor case 1.
  • the air sucked into the air inlet 12 passes through the impeller 11 and the motor 15 and is discharged to the plurality of the air outlets 16 as arrow B.
  • the multi-flow of the air discharged to the plurality of the air outlets 16 joins in the space 37 between the motor 15 and the lower case part 31 to form a single air flow and turns round an inner surface of the lower case part 31 and then is discharged through the air discharging port 32 (arrow C).
  • the air discharged from the air discharging port 32 moves along the exhaust duct 5 formed by the upper exhaust duct 25 and the lower exhaust duct 35 and is discharged through the outlet 26 of the exhaust duct 5 (arrow D).
  • the exhaust duct 5 forms a helical discharging flow passage having the width which is gradually widened in the direction in which the air is discharged and is formed with an upper inclination, noise generated by the air discharged from the fan motor 10 is reduced.
  • vibration generated when the fan motor 10 is operated is blocked by the upper and lower buffing members 41 and 42 which support an upper end and a lower end of the fan motor 10 and thus is not transferred to the upper and lower motor cases 20 and 30.
  • the air discharged from the fan motor is discharged through the helical exhaust duct having the width which is gradually widened in the direction in which the air is discharged and formed with an upper inclination, and thus the noise due to the discharged air is reduced.
  • the fan motor case according to the present disclosure a number of components can be minimized as the noise due to the discharged air can be effectively reduced only by the upper and lower motor cases. It is therefore possible to reduce cost for material and assembly of the fan motor case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP07012252A 2006-12-07 2007-06-22 Carter de moteur de ventilateur Withdrawn EP1929915A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060123882A KR100802115B1 (ko) 2006-12-07 2006-12-07 팬 모터 케이스

Publications (1)

Publication Number Publication Date
EP1929915A2 true EP1929915A2 (fr) 2008-06-11

Family

ID=39247269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07012252A Withdrawn EP1929915A2 (fr) 2006-12-07 2007-06-22 Carter de moteur de ventilateur

Country Status (4)

Country Link
EP (1) EP1929915A2 (fr)
KR (1) KR100802115B1 (fr)
CN (1) CN101196196A (fr)
RU (1) RU2342565C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467828A (en) * 2009-02-16 2010-08-18 Samsung Kwangju Electronics Co Fan motor apparatus having a diffuser unit for a vacuum cleaner
GB2471754A (en) * 2009-07-08 2011-01-12 Samsung Kwangju Electronics Co Motor fan unit for a vacuum cleaner
EP3049677A1 (fr) * 2013-09-26 2016-08-03 Alfred Kärcher GmbH & Co. KG Dispositif d'aspiration doté d'un dispositif de réflexion et/ou d'absorption du bruit
WO2018068850A1 (fr) * 2016-10-12 2018-04-19 Alfred Kärcher Gmbh & Co. Kg Appareil de nettoyage et procédé de fabrication d'un appareil de nettoyage
EP3677788A4 (fr) * 2017-09-01 2021-05-05 LG Electronics Inc. Dispositif générateur d'écoulement

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468331B (en) * 2009-03-04 2011-02-16 Dyson Technology Ltd A fan
KR20100112928A (ko) 2009-04-10 2010-10-20 삼성광주전자 주식회사 팬 모터 케이스 실링부재 및 팬 모터 케이스
KR101071922B1 (ko) * 2009-11-30 2011-10-11 삼성전기주식회사 모터
US9084512B2 (en) 2011-05-16 2015-07-21 Vita-Mix Management Corporation Blender base
CN103948352A (zh) * 2014-04-23 2014-07-30 苏州科比电器有限公司 嵌入式吸尘器的电机前罩结构
KR101986215B1 (ko) * 2017-11-21 2019-06-07 (주)퍼시픽시스템즈 송풍 모터 하우징
JP7078830B2 (ja) * 2020-11-09 2022-06-01 アイリスオーヤマ株式会社 電気掃除機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02176868A (ja) * 1988-12-27 1990-07-10 Mitsubishi Heavy Ind Ltd データベース検索装置
KR200205691Y1 (ko) * 1998-09-26 2000-12-01 전주범 진공청소기 흡음케이스의 소음저감구조
JP2001275904A (ja) 2000-03-30 2001-10-09 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003144353A (ja) 2001-11-15 2003-05-20 Matsushita Electric Ind Co Ltd 電気掃除機

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467828A (en) * 2009-02-16 2010-08-18 Samsung Kwangju Electronics Co Fan motor apparatus having a diffuser unit for a vacuum cleaner
GB2467828B (en) * 2009-02-16 2011-01-05 Samsung Kwangju Electronics Co A fan motor apparatus for a vacuum cleaner
US9089248B2 (en) 2009-02-16 2015-07-28 Samsung Electronics Co., Ltd. Fan motor apparatus having diffuser unit for vacuum cleaner
GB2471754A (en) * 2009-07-08 2011-01-12 Samsung Kwangju Electronics Co Motor fan unit for a vacuum cleaner
GB2471754B (en) * 2009-07-08 2011-09-07 Samsung Kwangju Electronics Co Fan motor unit and vacuum cleaner having the same
US8413294B2 (en) 2009-07-08 2013-04-09 Samsung Electronics Co., Ltd. Fan motor unit and vacuum cleaner having the same
EP3049677A1 (fr) * 2013-09-26 2016-08-03 Alfred Kärcher GmbH & Co. KG Dispositif d'aspiration doté d'un dispositif de réflexion et/ou d'absorption du bruit
EP3049677B1 (fr) * 2013-09-26 2022-09-07 Alfred Kärcher SE & Co. KG Appareil d'aspiration avec réflecteur de son
WO2018068850A1 (fr) * 2016-10-12 2018-04-19 Alfred Kärcher Gmbh & Co. Kg Appareil de nettoyage et procédé de fabrication d'un appareil de nettoyage
EP3677788A4 (fr) * 2017-09-01 2021-05-05 LG Electronics Inc. Dispositif générateur d'écoulement
US11300129B2 (en) 2017-09-01 2022-04-12 Lg Electronics Inc. Flow generator

Also Published As

Publication number Publication date
CN101196196A (zh) 2008-06-11
RU2342565C1 (ru) 2008-12-27
KR100802115B1 (ko) 2008-02-11
RU2007113912A (ru) 2008-10-20

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