US3194487A - Noise abatement method and apparatus - Google Patents

Noise abatement method and apparatus Download PDF

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Publication number
US3194487A
US3194487A US285361A US28536163A US3194487A US 3194487 A US3194487 A US 3194487A US 285361 A US285361 A US 285361A US 28536163 A US28536163 A US 28536163A US 3194487 A US3194487 A US 3194487A
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US
United States
Prior art keywords
rotor
stator
noise abatement
blades
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 - Lifetime
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US285361A
Inventor
John M Tyler
Thomas G Sofrin
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Raytheon Technologies Corp
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United Aircraft Corp
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Publication date
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Priority to US285361A priority Critical patent/US3194487A/en
Priority to GB21949/64A priority patent/GB1071095A/en
Priority to BE648723D priority patent/BE648723A/xx
Application granted granted Critical
Publication of US3194487A publication Critical patent/US3194487A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps

Definitions

  • FIG-2-6 C: 7 F

Description

y 1965 J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet 1 6 g 20 I. a
Z 4 &
FIG-2-6 |C: 7 F|G-8 FIGJO FIGJ I FIGJZ FIG- l3 FIC3.|4 FIGJE) FIG-M6 INVENTORS HN M- TYLER OMAS G- SOF'RIN ATTORNEY July 13, 1965 J. M. TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-$heet 2 Filed June 4, 19
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w% NRN July 13, 1965 J. M. TYLER ETAL 'NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 FIG-26A 23 Sheets-Sheet 5 1 90/05/75 0 ZO/V' 721" Ma y E 7 y 1965' J. M TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 25 Sheets-Shet 4 Filed June 4, 1963 m k W 7, -743 o /ra ys o July 13, 1965 J. MLTYLER ETAL NOiSE ABATEMENT METHOD AND APPARATUS 25 Sheets-Sheet 5 Filed June 4, 1963 MN O nmukr y 1965 J. M. TYLER ETAL 3,
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 25 Sheets-Sheet s F'IC3-26 July 13, 19 5. I J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1965 23 Sheets-Sheet 7 l- |C5 26B Li; i m w 2 g Mai /4 July 13, 1965 J. M. TYLER ETAL NOISE ABATEMEN'I METHOD AND APPARATUS Filed June 4, 1963 as Sheets-Sheet 8 FIC3.26C
July 13, 1965 J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet 9 FIG-27 K: I I
Q i I I 5 25 3B 4B 5B July 13, 1965 TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS P070? MOT/0N FIC3-47 y 3, 1965 J. M. TYLER ETAL Y 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-Sheet 11 Filed June 4, 1963 WMTNQ July 13, 1965 TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet 12 T s 5 E L Q 0 o k Em ffifi $E uff a Em m: V) k m w; LU 8 b g E y 13, 1965 J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet 13 July 13, 196 J. M. TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-Sheet 14 Filed June 4, 1963 J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-Sheet 15 July 13, 1965 Filed June 4, 1963 y 1965 J. M. TYLER ETAL 3,194, 87
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet l6 Fl 6. 37 F K139 D'C/BZS DfC/BfZS 60" .20 Z0 7&0
y 1965 J. M. TYLER ETAL 3,194,487
NOISE ABATEMENT METHOD AND APPARATUS Filed June 4, 1963 23 Sheets-Sheet 17 FIC5-4I DEC/5628 July 13, 1965 J. M. TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-Sheet 18 Filed June 4, 1963 July 13, 1 J. M. TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 23 Sheets-Sheet 19 Filed June 4. 1963 qv mUTu July 13, 1 J. M. TYLER ETAL NOISE ABATEMENT METHOD AND APPARATUS 25 Sheets-Sheet 20 Filed June 4, 19615 @V UFm

Claims (1)

1. IN AN AXIAL COMPRESSOR LOCATED WITHIN A FLUID FLOW CONFINING AND WHICH DEVELOPS NOISE CREATING SPINNING MODES DUE TO INTERACTION BETWEEN STATOR VANES AND ROTOR BLADES, THE METHOD OF REDUCING THE STRENGTH OF THE NOISE CREATING SPINNING MODES COMPRISING POSITIONING A FIXED STATOR WITHIN THE DUCT WHICH STATOR HAS A PRESELECTED NUMBER OF STATIONARY VANES AROUND THE PERIPHERY THEREOF, SUPPORTING A ROTOR FOR ROTATION WITHIN THE DUCT WHICH ROTOR HAS A PRESCRIBED NUMBER OF BLADES AROUND THE PERIPHERY THEREOF AND WITH THE BLADES OF THE ROTOR BEING OF DIFFERENT NUMBER FROM THE VANVES OF THE STATOR THEREBY DEVELOPING NOISE CREATING SPINNING MODES DUE TO INTERACTION BETWEEN THE STATIONARY VANES AND THE ROTATING BLADES, AND POSITIONING THE ROTOR TO ABOUT FIVE CHORD LENGSHT FROM THE STATOR TO REDUCE THE STRENGTH OF THE INTERACTION BETWEEN SPINNING MODES SO DEVELOPED AS TO REDUCE THE NOISE.
US285361A 1963-06-04 1963-06-04 Noise abatement method and apparatus Expired - Lifetime US3194487A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US285361A US3194487A (en) 1963-06-04 1963-06-04 Noise abatement method and apparatus
GB21949/64A GB1071095A (en) 1963-06-04 1964-05-27 Noise abatement method and apparatus
BE648723D BE648723A (en) 1963-06-04 1964-06-02

Applications Claiming Priority (1)

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US285361A US3194487A (en) 1963-06-04 1963-06-04 Noise abatement method and apparatus

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GB (1) GB1071095A (en)

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US3270953A (en) * 1963-05-21 1966-09-06 Jerie Jan Axial flow compressor, blower or ventilator with reduced noise production
US3433163A (en) * 1966-11-07 1969-03-18 Gen Dynamics Corp Pump
US3471080A (en) * 1968-06-13 1969-10-07 United Aircraft Corp Low noise generation fan
US3505819A (en) * 1967-02-27 1970-04-14 Rolls Royce Gas turbine power plant
US3642379A (en) * 1969-06-27 1972-02-15 Judson S Swearingen Rotary gas-handling machine and rotor therefor free of vibration waves in operation
JPS50110111A (en) * 1974-02-07 1975-08-29
US3905204A (en) * 1974-04-15 1975-09-16 Rovac Corp Auxiliary porting arrangement for noise control in compressor-expander
US4220171A (en) * 1979-05-14 1980-09-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Curved centerline air intake for a gas turbine engine
US4474534A (en) * 1982-05-17 1984-10-02 General Dynamics Corp. Axial flow fan
US5169288A (en) * 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
US5342167A (en) * 1992-10-09 1994-08-30 Airflow Research And Manufacturing Corporation Low noise fan
US5620300A (en) * 1995-11-16 1997-04-15 General Electric Co. Method of constructing a turbine nozzle to prevent structurally induced excitation forces
US5709529A (en) * 1995-11-14 1998-01-20 Westinghouse Electric Corporation Optimization of turbomachinery harmonics
WO2005100750A1 (en) * 2004-04-02 2005-10-27 Mtu Aero Engines Gmbh Method for designing a low-pressure turbine of an aircraft engine, and low-pressure turbine
US20060182626A1 (en) * 2004-11-04 2006-08-17 Del Valle Bravo Facundo Axial flow supercharger and fluid compression machine
US20070079506A1 (en) * 2005-10-06 2007-04-12 General Electric Company Method of providing non-uniform stator vane spacing in a compressor
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BE648723A (en) 1964-10-01
GB1071095A (en) 1967-06-07

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