KR20030060242A - 청소기용 원심송풍기 - Google Patents
청소기용 원심송풍기 Download PDFInfo
- Publication number
- KR20030060242A KR20030060242A KR1020020000794A KR20020000794A KR20030060242A KR 20030060242 A KR20030060242 A KR 20030060242A KR 1020020000794 A KR1020020000794 A KR 1020020000794A KR 20020000794 A KR20020000794 A KR 20020000794A KR 20030060242 A KR20030060242 A KR 20030060242A
- Authority
- KR
- South Korea
- Prior art keywords
- diffuser
- centrifugal
- air
- impeller
- centrifugal blower
- Prior art date
Links
- 239000000428 dust Substances 0.000 description 3
- 239000011538 cleaning material Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- A47L9/22—Mountings for motor fan assemblies
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
- F04D29/5833—Cooling at least part of the working fluid in a heat exchanger flow schemes and regulation thereto
-
- 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
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (5)
- 흡입구가 형성된 임펠러 케이싱과; 상기 임펠러 케이싱의 흡입구를 통해 공기가 흡입되도록 모터의 회전축에 연결된 원심형 임펠러와; 상기 원심형 임펠러에서 송출된 공기의 압력을 상승시키도록 다수개의 베인이 구비된 디퓨저와; 상기 디퓨저에서의 공기 유동시 발생되는 공명음을 저감시키는 소음저감수단을 포함하여 구성된 것을 특징으로 하는 청소기용 원심송풍기.
- 제 1 항에 있어서,상기 소음저감수단은 상기 디퓨저의 베인에 형성된 홀부로 이루어진 것을 특징으로 하는 청소기용 원심송풍기.
- 제 1 항에 있어서,상기 소음저감수단은 상기 디퓨저의 베인 상단에 형성된 노치로 이루어진 것을 특징으로 하는 청소기용 원심송풍기.
- 제 3 항에 있어서,상기 노치는 단면이 삼각형 또는 사각형 또는 타원형 중 어느 하나인 것을 특징으로 하는 청소기용 원심송풍기.
- 제 2 항 또는 제 3 항에 있어서,상기 소음저감수단은 상기 디퓨저의 베인 간 중첩되는 부위의 20% ~ 80% 내에 형성된 것을 특징으로 하는 청소기용 원심송풍기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020000794A KR20030060242A (ko) | 2002-01-07 | 2002-01-07 | 청소기용 원심송풍기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020000794A KR20030060242A (ko) | 2002-01-07 | 2002-01-07 | 청소기용 원심송풍기 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20030060242A true KR20030060242A (ko) | 2003-07-16 |
Family
ID=32217189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020000794A KR20030060242A (ko) | 2002-01-07 | 2002-01-07 | 청소기용 원심송풍기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20030060242A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108397389A (zh) * | 2018-03-15 | 2018-08-14 | 潘晓江 | 一种真空泵及其多级真空泵 |
CN111878461A (zh) * | 2020-08-24 | 2020-11-03 | 珠海格力电器股份有限公司 | 可消音的扩压器及压缩机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397606A (en) * | 1977-02-04 | 1978-08-26 | Tokyo Electric Co Ltd | Diffuser of electrical blower |
JPS54105307A (en) * | 1978-02-06 | 1979-08-18 | Hitachi Ltd | Electric fan |
JPS5920597A (ja) * | 1982-07-23 | 1984-02-02 | Mitsubishi Electric Corp | 遠心送風機 |
JPS61294198A (ja) * | 1985-06-20 | 1986-12-24 | Matsushita Electric Ind Co Ltd | 電動送風機 |
JPH11351196A (ja) * | 1998-06-08 | 1999-12-21 | Hitachi Ltd | 電動送風機及びそれを搭載した電気掃除機 |
-
2002
- 2002-01-07 KR KR1020020000794A patent/KR20030060242A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397606A (en) * | 1977-02-04 | 1978-08-26 | Tokyo Electric Co Ltd | Diffuser of electrical blower |
JPS54105307A (en) * | 1978-02-06 | 1979-08-18 | Hitachi Ltd | Electric fan |
JPS5920597A (ja) * | 1982-07-23 | 1984-02-02 | Mitsubishi Electric Corp | 遠心送風機 |
JPS61294198A (ja) * | 1985-06-20 | 1986-12-24 | Matsushita Electric Ind Co Ltd | 電動送風機 |
JPH11351196A (ja) * | 1998-06-08 | 1999-12-21 | Hitachi Ltd | 電動送風機及びそれを搭載した電気掃除機 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108397389A (zh) * | 2018-03-15 | 2018-08-14 | 潘晓江 | 一种真空泵及其多级真空泵 |
CN111878461A (zh) * | 2020-08-24 | 2020-11-03 | 珠海格力电器股份有限公司 | 可消音的扩压器及压缩机 |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20020107 |
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N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20020831 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
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PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040407 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20040809 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20040407 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |