ZA817551B - Low frequency noise and turbulence reducer - Google Patents

Low frequency noise and turbulence reducer

Info

Publication number
ZA817551B
ZA817551B ZA817551A ZA817551A ZA817551B ZA 817551 B ZA817551 B ZA 817551B ZA 817551 A ZA817551 A ZA 817551A ZA 817551 A ZA817551 A ZA 817551A ZA 817551 B ZA817551 B ZA 817551B
Authority
ZA
South Africa
Prior art keywords
low frequency
frequency noise
damper
turbulence
flow path
Prior art date
Application number
ZA817551A
Other languages
English (en)
Inventor
Stephen Charles Inglis
Original Assignee
Carrier Corp
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 Carrier Corp filed Critical Carrier Corp
Publication of ZA817551B publication Critical patent/ZA817551B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1466—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with pneumatic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1473—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cams or levers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Air-Flow Control Members (AREA)
  • Details Of Valves (AREA)
  • Flow Control (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Fluid-Damping Devices (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Transplanting Machines (AREA)
  • Control Of Electric Motors In General (AREA)
  • Pipe Accessories (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Golf Clubs (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Exhaust Silencers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • General Details Of Gearings (AREA)
ZA817551A 1980-11-28 1981-10-30 Low frequency noise and turbulence reducer ZA817551B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21101380A 1980-11-28 1980-11-28

Publications (1)

Publication Number Publication Date
ZA817551B true ZA817551B (en) 1982-10-27

Family

ID=22785241

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA817551A ZA817551B (en) 1980-11-28 1981-10-30 Low frequency noise and turbulence reducer

Country Status (16)

Country Link
EP (1) EP0053302B1 (xx)
JP (2) JPS57146976A (xx)
KR (1) KR890000629B1 (xx)
AT (1) ATE12981T1 (xx)
AU (1) AU548442B2 (xx)
BR (1) BR8107664A (xx)
CA (1) CA1188227A (xx)
DE (1) DE3170181D1 (xx)
DK (1) DK154985C (xx)
FI (1) FI69510C (xx)
IN (1) IN157260B (xx)
MX (1) MX154728A (xx)
MY (1) MY8700214A (xx)
NO (1) NO154321C (xx)
NZ (1) NZ199095A (xx)
ZA (1) ZA817551B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8604229D0 (en) * 1986-02-20 1986-03-26 Johnston Eng Ltd Road sweeping vehicles
JP2596321Y2 (ja) * 1993-07-12 1999-06-14 三菱重工業株式会社 脱硝装置におけるガス整流器
GB2290849B (en) * 1994-07-01 1998-05-27 Draftex Ind Ltd Gas or air flow regulators
US9581353B2 (en) * 2009-01-23 2017-02-28 Valeo Climate Control Corporation HVAC system including a noise-reducing feature
TR201715678A2 (tr) * 2017-10-13 2017-10-23 Dokuz Eyluel Ueniversitesi Rektoerluegue Yol süpürme araçlari i̇çi̇n kabi̇n dişina portati̇f olarak monte edi̇lebi̇len susturucu

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT267984B (de) * 1965-07-12 1969-01-27 Svenska Flaektfabriken Ab Drosselvorrichtung zum Regeln der Strömung eines gasförmigen Mediums in einer Leitung
US3750839A (en) * 1971-11-01 1973-08-07 Trane Co Air distribution apparatus
DE2705060A1 (de) * 1977-02-08 1978-08-10 Schmidt Hans Guenter Ing Grad Absperreinrichtung fuer abgas- und luftfuehrungssysteme
CA1137877A (en) * 1977-11-14 1982-12-21 Martin Hirschorn Packless silencer
SE7811421L (sv) * 1977-12-07 1979-06-08 Carrier Corp Ventilanordning

Also Published As

Publication number Publication date
DK528881A (da) 1982-05-29
NO154321C (no) 1986-08-27
MX154728A (es) 1987-12-07
JPS57146976A (en) 1982-09-10
JPS6049372U (ja) 1985-04-06
KR890000629B1 (ko) 1989-03-22
FI69510C (fi) 1986-02-10
NO814052L (no) 1982-06-01
DK154985C (da) 1989-06-12
DE3170181D1 (en) 1985-05-30
KR830008072A (ko) 1983-11-09
MY8700214A (en) 1987-12-31
IN157260B (xx) 1986-02-15
CA1188227A (en) 1985-06-04
NO154321B (no) 1986-05-20
AU7795281A (en) 1982-06-03
JPS6132225Y2 (xx) 1986-09-19
AU548442B2 (en) 1985-12-12
BR8107664A (pt) 1982-08-24
FI69510B (fi) 1985-10-31
EP0053302B1 (en) 1985-04-24
DK154985B (da) 1989-01-16
NZ199095A (en) 1984-04-27
EP0053302A1 (en) 1982-06-09
ATE12981T1 (de) 1985-05-15
FI813735L (fi) 1982-05-29

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