NL67569C - - Google Patents
Info
- Publication number
- NL67569C NL67569C NL67569DA NL67569C NL 67569 C NL67569 C NL 67569C NL 67569D A NL67569D A NL 67569DA NL 67569 C NL67569 C NL 67569C
- Authority
- NL
- Netherlands
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
- F04D29/66—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
-
- 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
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH656430X | 1948-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67569C true NL67569C (en:Method) |
Family
ID=4526531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67569D NL67569C (en:Method) | 1948-01-26 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH261468A (en:Method) |
| FR (1) | FR978866A (en:Method) |
| GB (1) | GB656430A (en:Method) |
| NL (1) | NL67569C (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2807932A (en) * | 1952-11-25 | 1957-10-01 | Jr Albert G Bodine | Gas turbine with acoustic surge control |
| US2888803A (en) * | 1954-08-30 | 1959-06-02 | Pon Lemuel | Intermittent combustion turbine engine |
| WO1981003201A1 (en) * | 1980-04-28 | 1981-11-12 | G Koopmann | Noise reduction system |
| DE3511769A1 (de) * | 1985-03-30 | 1986-10-02 | MAN Gutehoffnungshütte GmbH, 4200 Oberhausen | Ein- und mehrstufiger axialkompressor |
| US5314300A (en) * | 1992-01-13 | 1994-05-24 | Fasco Industries, Inc. | Noise control device for centrifugal blower |
| WO1993014320A1 (en) * | 1992-01-13 | 1993-07-22 | Fasco Industries, Inc. | Noise cancellation device for centrifugal blower |
| DE10058688B4 (de) * | 2000-11-25 | 2011-08-11 | Alstom Technology Ltd. | Dämpferanordnung zur Reduktion von Brennkammerpulsationen |
-
0
- NL NL67569D patent/NL67569C/xx active
-
1948
- 1948-01-26 CH CH261468D patent/CH261468A/de unknown
-
1949
- 1949-01-11 GB GB780/49A patent/GB656430A/en not_active Expired
- 1949-01-12 FR FR978866D patent/FR978866A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR978866A (fr) | 1951-04-19 |
| GB656430A (en) | 1951-08-22 |
| CH261468A (de) | 1949-05-15 |