KR900020533U - Noise reduction structure of blower - Google Patents

Noise reduction structure of blower

Info

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
Application number
KR2019890005971U
Other languages
Korean (ko)
Other versions
KR920000384Y1 (en
Inventor
이성환
Original Assignee
이성환
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 이성환 filed Critical 이성환
Priority to KR2019890005971U priority Critical patent/KR920000384Y1/en
Publication of KR900020533U publication Critical patent/KR900020533U/en
Application granted granted Critical
Publication of KR920000384Y1 publication Critical patent/KR920000384Y1/en

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)
KR2019890005971U 1989-05-06 1989-05-06 Blower KR920000384Y1 (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
KR920000384Y1 (en) 1992-01-15

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Legal Events

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E902 Notification of reason for refusal
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
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FPAY Annual fee payment

Payment date: 20020115

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee