GB2100361B - Apparatus for attenuating vortex whistle noise - Google Patents

Apparatus for attenuating vortex whistle noise

Info

Publication number
GB2100361B
GB2100361B GB8217217A GB8217217A GB2100361B GB 2100361 B GB2100361 B GB 2100361B GB 8217217 A GB8217217 A GB 8217217A GB 8217217 A GB8217217 A GB 8217217A GB 2100361 B GB2100361 B GB 2100361B
Authority
GB
United Kingdom
Prior art keywords
attenuating
whistle noise
vortex whistle
vortex
noise
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.)
Expired
Application number
GB8217217A
Other versions
GB2100361A (en
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.)
Garrett Corp
Original Assignee
Garrett 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
Priority claimed from US06/273,715 external-priority patent/US4439104A/en
Priority claimed from US06/273,716 external-priority patent/US4436481A/en
Application filed by Garrett Corp filed Critical Garrett Corp
Publication of GB2100361A publication Critical patent/GB2100361A/en
Application granted granted Critical
Publication of GB2100361B publication Critical patent/GB2100361B/en
Expired legal-status Critical Current

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
    • F04D29/40—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
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
    • 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
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/50—Application for auxiliary power units (APU's)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB8217217A 1981-06-15 1982-06-14 Apparatus for attenuating vortex whistle noise Expired GB2100361B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/273,715 US4439104A (en) 1981-06-15 1981-06-15 Compressor inlet guide vane and vortex-disturbing member assembly
US06/273,716 US4436481A (en) 1981-06-15 1981-06-15 Intake vortex whistle silencing apparatus and methods

Publications (2)

Publication Number Publication Date
GB2100361A GB2100361A (en) 1982-12-22
GB2100361B true GB2100361B (en) 1985-08-14

Family

ID=26956390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8217217A Expired GB2100361B (en) 1981-06-15 1982-06-14 Apparatus for attenuating vortex whistle noise

Country Status (3)

Country Link
DE (1) DE3221465C2 (en)
FR (1) FR2507701B1 (en)
GB (1) GB2100361B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932206A (en) * 1988-08-17 1990-06-12 Sundstrand Corporation Guide vane assembly for auxiliary power unit
JP2797898B2 (en) * 1993-05-26 1998-09-17 日産自動車株式会社 Variable inlet guide vane for compressor
US11396888B1 (en) 2017-11-09 2022-07-26 Williams International Co., L.L.C. System and method for guiding compressible gas flowing through a duct
FR3128492A1 (en) * 2021-10-27 2023-04-28 Safran Power Units AUXILIARY POWER UNIT WITH INTEGRATED CHARGE COMPRESSOR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB408325A (en) * 1932-10-08 1934-04-09 Robert Ernest Workman Improvements in or relating to rotary fans
FR1259430A (en) * 1960-03-14 1961-04-28 Socomath Improvements to fans, blowers and the like
US3583827A (en) * 1969-11-10 1971-06-08 Westinghouse Electric Corp Spin vane control for fans
US3779338A (en) * 1972-01-27 1973-12-18 Bolt Beranek & Newman Method of reducing sound generation in fluid flow systems embodying foil structures and the like
DE2227460B2 (en) * 1972-06-06 1975-08-14 Sueddeutsche Kuehlerfabrik Julius Fr. Behr, 7000 Stuttgart Low noise axial air fan - has sets of quietening slots transverse to length of spaced vanes

Also Published As

Publication number Publication date
DE3221465C2 (en) 1986-10-09
GB2100361A (en) 1982-12-22
DE3221465A1 (en) 1982-12-30
FR2507701B1 (en) 1986-05-02
FR2507701A1 (en) 1982-12-17

Similar Documents

Publication Publication Date Title
GB2086195B (en) Noise reducing apparatus
DE3266448D1 (en) Noise control apparatus
DE3373052D1 (en) Signal processing unit
GB2089040B (en) Vortex flowmeter
GB8324498D0 (en) Acoustic velocity measurements
GB2126837B (en) Noise suppression
GB2101449B (en) Microphone device for noise measurement
GB2098031B (en) Noise reducing apparatus
DE3173852D1 (en) Flare having noise attenuation
GB2068697B (en) Circuits for noise reduction
JPS5727100A (en) Noise removing device
GB2100361B (en) Apparatus for attenuating vortex whistle noise
GB2094887B (en) Boiler noise suppressor
GB2061073B (en) Noise reduction apparatus
JPS576897A (en) Noise reducing device
GB2088555B (en) Vortex flowmeter
GB2074737B (en) Noise detection apparatus
GB8422793D0 (en) Silencing apparatus
GB2106649B (en) Fly-under noise measurement apparatus
GB2118338B (en) Signal processing unit
JPS57171400A (en) Detector for sound region
JPS57172080A (en) Vibration attenuating apparatus
AU542605B2 (en) Noise detection apparatus
JPS5716531A (en) Noise preventing device
ZA831916B (en) Signal processing unit

Legal Events

Date Code Title Description
PG Patent granted