KR900020533U - Noise reduction structure of blower - Google Patents
Noise reduction structure of blowerInfo
- Publication number
- KR900020533U KR900020533U KR2019890005971U KR890005971U KR900020533U KR 900020533 U KR900020533 U KR 900020533U KR 2019890005971 U KR2019890005971 U KR 2019890005971U KR 890005971 U KR890005971 U KR 890005971U KR 900020533 U KR900020533 U KR 900020533U
- Authority
- KR
- South Korea
- Prior art keywords
- blower
- noise reduction
- reduction structure
- noise
- reduction
- Prior art date
Links
Classifications
-
- 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
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890005971U KR920000384Y1 (en) | 1989-05-06 | 1989-05-06 | Blower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890005971U KR920000384Y1 (en) | 1989-05-06 | 1989-05-06 | Blower |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900020533U true KR900020533U (en) | 1990-12-13 |
KR920000384Y1 KR920000384Y1 (en) | 1992-01-15 |
Family
ID=19285905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890005971U KR920000384Y1 (en) | 1989-05-06 | 1989-05-06 | Blower |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920000384Y1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101505749B1 (en) * | 2013-11-04 | 2015-03-24 | 주식회사 귀뚜라미 범양냉방 | Noise attenuation assembly having door type baffle plate |
-
1989
- 1989-05-06 KR KR2019890005971U patent/KR920000384Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920000384Y1 (en) | 1992-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20020115 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |