BE558982A - - Google Patents
Info
- Publication number
- BE558982A BE558982A BE558982DA BE558982A BE 558982 A BE558982 A BE 558982A BE 558982D A BE558982D A BE 558982DA BE 558982 A BE558982 A BE 558982A
- Authority
- BE
- Belgium
- Prior art keywords
- parts
- sound
- type
- respect
- reflection
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
-
- 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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
- F02M2700/33—Compressors for piston combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1179512X | 1956-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE558982A true BE558982A (it) |
Family
ID=4561673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE558982D BE558982A (it) | 1956-07-27 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE558982A (it) |
CH (1) | CH340943A (it) |
FR (1) | FR1179512A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174020A (en) * | 1975-07-01 | 1979-11-13 | Challis Louis A | Acoustic treatment for fans |
CH594139A5 (it) * | 1975-12-11 | 1977-12-30 | Bbc Brown Boveri & Cie | |
DE8505239U1 (de) * | 1985-02-23 | 1987-08-20 | M.A.N.- B & W Diesel GmbH, 8900 Augsburg | Schalldämpfer mit Vorleitschaufeln an der Ansaugseite des Verdichters eines Abgasturboladers |
DE102010028975A1 (de) * | 2010-05-14 | 2012-03-29 | Abb Turbo Systems Ag | Verdichtergehäusezusatz |
-
0
- BE BE558982D patent/BE558982A/fr unknown
-
1956
- 1956-07-27 CH CH340943D patent/CH340943A/de unknown
-
1957
- 1957-06-28 FR FR1179512D patent/FR1179512A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH340943A (de) | 1959-09-15 |
FR1179512A (fr) | 1959-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3358722B1 (fr) | Moteur auto-ventilé silencieux, notamment pour un véhicule ferroviaire | |
FR2651535A1 (fr) | Assemblage d'entretoise pour moteur a reaction, assemblage d'amortisseur pour un tel assemblage d'entretoise et assemblage de plan de sustention obtenu. | |
FR2954055A1 (fr) | Seche-cheveux a systeme silencieux passif | |
FR2474099A1 (it) | ||
FR2577999A1 (fr) | Silencieux a aubes de distributeur, monte sur le cote aspiration du compresseur d'un turbo-compresseur entraine par les gaz d'echappement | |
EP0177996B1 (fr) | Appareillage amortisseur du bruit pour les gaz d'échappement des moteurs à combustion interne | |
FR3103054A1 (fr) | Panneau acoustique pour nacelle d’aéronef à absorption multifréquence. | |
CA2695626C (fr) | Turbomoteur a emission de bruit reduite pour aeronef | |
BE558982A (it) | ||
US3400784A (en) | Muffler with tangential exhaust intake and porous ends | |
CA2721227A1 (fr) | Turbomoteur a double flux pour aeronef a emission de bruit reduite | |
US2057304A (en) | Apparatus for regularizing the exhaust of explosion motors | |
CA2869623A1 (fr) | Panneau mince d'absorption d'ondes acoustiques emises par un turboreacteur de nacelle d'aeronef, et nacelle equipee d'un tel panneau | |
US2076827A (en) | Exhaust muffler | |
EP1433948B1 (fr) | Dispositif d'atténuation des bruits sur un circuit d'admission d'air | |
FR3085553A1 (fr) | Structure absorbante de sons basses frequences pour une tuyere primaire d'une turbomachine d'un aeronef | |
FR2589195A1 (fr) | Cheminee insonorisee pour gaz chauds ejectes d'un tube d'echappement | |
FR2752272A1 (fr) | Dispositif d'isolation phonique pour un ventilateur | |
CA3135599A1 (fr) | Grille d'inverseur de poussee incluant un traitement acoustique | |
EP3693597A1 (fr) | Resonateur acoustique | |
EP0105533B1 (fr) | Dispositif d'homogénéisation et d'amélioration de l'alimentation des moteurs à carburateur | |
US4390079A (en) | Muffler and exhaust extractor | |
FR2631384A1 (fr) | Dispositif de mise a l'air libre de gaz ejectes d'un tube d'echappement | |
FR2604747A1 (fr) | Silencieux pour flux gazeux | |
Cave-Browne-Cave | The Silencing of Gas Noises for All Classes of Vehicles |