FR823441A - Device for reducing noise in fans and rotary fluid compressors - Google Patents

Device for reducing noise in fans and rotary fluid compressors

Info

Publication number
FR823441A
FR823441A FR823441DA FR823441A FR 823441 A FR823441 A FR 823441A FR 823441D A FR823441D A FR 823441DA FR 823441 A FR823441 A FR 823441A
Authority
FR
France
Prior art keywords
fans
reducing noise
rotary fluid
fluid compressors
compressors
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
Other languages
French (fr)
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.)
Rateau SA
Original Assignee
Rateau SA
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 Rateau SA filed Critical Rateau SA
Application granted granted Critical
Publication of FR823441A publication Critical patent/FR823441A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F04D19/028—Layout of fluid flow through the stages
FR823441D 1936-10-02 1936-10-02 Device for reducing noise in fans and rotary fluid compressors Expired FR823441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR823441T 1936-10-02

Publications (1)

Publication Number Publication Date
FR823441A true FR823441A (en) 1938-01-20

Family

ID=9281372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823441D Expired FR823441A (en) 1936-10-02 1936-10-02 Device for reducing noise in fans and rotary fluid compressors

Country Status (1)

Country Link
FR (1) FR823441A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671634A (en) * 1949-07-01 1954-03-09 Rolls Royce Adjustable stator blade and shroud ring arrangement for axial flow turbines and compressors
US2795373A (en) * 1950-03-03 1957-06-11 Rolls Royce Guide vane assemblies in annular fluid ducts
US2846137A (en) * 1955-06-03 1958-08-05 Gen Electric Construction for axial-flow turbomachinery
US2962260A (en) * 1954-12-13 1960-11-29 United Aircraft Corp Sweep back in blading
US3536414A (en) * 1968-03-06 1970-10-27 Gen Electric Vanes for turning fluid flow in an annular duct
FR2365692A1 (en) * 1976-09-24 1978-04-21 Kronogard Sven GAS TURBINE STATOR

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671634A (en) * 1949-07-01 1954-03-09 Rolls Royce Adjustable stator blade and shroud ring arrangement for axial flow turbines and compressors
US2795373A (en) * 1950-03-03 1957-06-11 Rolls Royce Guide vane assemblies in annular fluid ducts
US2962260A (en) * 1954-12-13 1960-11-29 United Aircraft Corp Sweep back in blading
US2846137A (en) * 1955-06-03 1958-08-05 Gen Electric Construction for axial-flow turbomachinery
US3536414A (en) * 1968-03-06 1970-10-27 Gen Electric Vanes for turning fluid flow in an annular duct
FR2365692A1 (en) * 1976-09-24 1978-04-21 Kronogard Sven GAS TURBINE STATOR

Similar Documents

Publication Publication Date Title
FR775983A (en) Improvements in the construction of devices for vacuum cleaning
FR48881E (en) Improvements in the construction of devices for vacuum cleaning
FR823441A (en) Device for reducing noise in fans and rotary fluid compressors
FR800130A (en) Device to dampen noise in vacuum cleaners
FR814179A (en) Capsulism device applicable to pumps, compressors, motors, meters and other devices
GB549457A (en) Improvements in or relating to rotary pumps and compressors for fluids
FR782057A (en) Device for the circulation of air in devices for vacuum cleaning and other applications
FR811641A (en) Further training in deep well pumps or similar devices
FR798877A (en) Improvements in the construction of devices for vacuum cleaning
FR873027A (en) Device for damping noise in pipes
FR814596A (en) Device for adjusting the flow rate of blowers supercharging compressors
FR830729A (en) Fluid leveling device, in particular for ozonators
FR813313A (en) Improvements in liquid draw
FR836270A (en) Further training in devices for the treatment of fractures, etc.
FR809996A (en) Improvements in the construction of devices for vacuum cleaning
FR836381A (en) Device for operating partitions and sliding windows
FR835020A (en) Improvements in cleaning devices for windshields and the like
FR807553A (en) Device for cleaning the air in closed rooms
CA355771A (en) Liquid and fluid actuating device
FR834088A (en) Device for spreading liquids and others
FR850733A (en) Improvements in the construction of devices for vacuum cleaning
FR48327E (en) Improvement in the handling disc of telephone devices
FR814519A (en) Use of vacuum in massage devices
FR816669A (en) Improvement in the assembly of the loudspeakers of t devices. s. f.
FR848052A (en) Cooking device for stoves and stoves