BE818699A - Appareil destine a reduire des bruits desagreables dans un dispositif de commande d'ecoulement d'air - Google Patents
Appareil destine a reduire des bruits desagreables dans un dispositif de commande d'ecoulement d'airInfo
- Publication number
- BE818699A BE818699A BE147479A BE147479A BE818699A BE 818699 A BE818699 A BE 818699A BE 147479 A BE147479 A BE 147479A BE 147479 A BE147479 A BE 147479A BE 818699 A BE818699 A BE 818699A
- Authority
- BE
- Belgium
- Prior art keywords
- control device
- air flow
- flow control
- unpleasant noise
- reduce unpleasant
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/75—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7784—Responsive to change in rate of fluid flow
- Y10T137/7786—Turbine or swinging vane type reactor
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Details Of Valves (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7311572A SE375850B (no) | 1973-08-24 | 1973-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE818699A true BE818699A (fr) | 1974-12-02 |
Family
ID=20318330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE147479A BE818699A (fr) | 1973-08-24 | 1974-08-09 | Appareil destine a reduire des bruits desagreables dans un dispositif de commande d'ecoulement d'air |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3935880A (no) |
| JP (1) | JPS5055148A (no) |
| BE (1) | BE818699A (no) |
| CH (1) | CH579752A5 (no) |
| DE (1) | DE2440510C3 (no) |
| DK (1) | DK452074A (no) |
| FI (1) | FI56269C (no) |
| FR (1) | FR2241749B1 (no) |
| GB (1) | GB1475744A (no) |
| IT (1) | IT1020121B (no) |
| NL (1) | NL7411254A (no) |
| NO (1) | NO133771C (no) |
| SE (1) | SE375850B (no) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143940A1 (de) * | 1981-11-05 | 1983-05-11 | Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn | Volumenstromregler fuer lufttechnische anlagen |
| FR2707740B1 (fr) * | 1993-07-15 | 1995-09-08 | Barbarin Laurent | Régulateur automatique de débit pour installations de ventilation et de conditionnement d'air. |
| EP0667169B1 (fr) * | 1994-01-12 | 1999-04-07 | Société d'Applications Industrielles Medicales et Electroniques ( SAIME) | Appareil d'aide à la ventilation d'un patient comportant notamment un mode d'assistance inspiratoire à pression réduite |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US752061A (en) * | 1904-02-16 | Heat-regulator | ||
| US2116912A (en) * | 1931-09-21 | 1938-05-10 | Iron Fireman Mfg Co | Air flow pilot control |
| LU32127A1 (no) * | 1952-04-21 | |||
| DK83843C (da) * | 1954-10-19 | 1957-11-11 | Svenska Flaektfabriken Ab | Apparat til at holde konstant volumenstrøm af et luftformigt medium. |
| BE790530A (fr) * | 1971-11-02 | 1973-02-15 | Svenska Flaektfabriken Ab | Dispositif de commande d'ecoulement, de preference pour de l'air et d'autres milieux gazeux |
-
1973
- 1973-08-24 SE SE7311572A patent/SE375850B/xx unknown
-
1974
- 1974-08-07 CH CH1077174A patent/CH579752A5/xx not_active IP Right Cessation
- 1974-08-09 BE BE147479A patent/BE818699A/xx unknown
- 1974-08-16 FI FI243274A patent/FI56269C/fi active
- 1974-08-19 GB GB3643074A patent/GB1475744A/en not_active Expired
- 1974-08-21 NO NO743004A patent/NO133771C/no unknown
- 1974-08-22 IT IT2651974A patent/IT1020121B/it active
- 1974-08-23 JP JP9627974A patent/JPS5055148A/ja active Pending
- 1974-08-23 DK DK452074A patent/DK452074A/da not_active Application Discontinuation
- 1974-08-23 US US05/499,994 patent/US3935880A/en not_active Expired - Lifetime
- 1974-08-23 NL NL7411254A patent/NL7411254A/xx not_active Application Discontinuation
- 1974-08-23 DE DE2440510A patent/DE2440510C3/de not_active Expired
- 1974-08-23 FR FR7429062A patent/FR2241749B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2440510C3 (de) | 1980-04-30 |
| SE7311572L (no) | 1975-02-25 |
| FI243274A (no) | 1975-02-25 |
| NL7411254A (nl) | 1975-02-26 |
| SE375850B (no) | 1975-04-28 |
| CH579752A5 (no) | 1976-09-15 |
| NO133771C (no) | 1976-06-23 |
| JPS5055148A (no) | 1975-05-15 |
| NO743004L (no) | 1975-03-24 |
| DE2440510B2 (de) | 1978-02-16 |
| FI56269C (fi) | 1979-12-10 |
| DE2440510A1 (de) | 1975-03-13 |
| FI56269B (fi) | 1979-08-31 |
| GB1475744A (en) | 1977-06-01 |
| NO133771B (no) | 1976-03-15 |
| FR2241749A1 (no) | 1975-03-21 |
| US3935880A (en) | 1976-02-03 |
| IT1020121B (it) | 1977-12-20 |
| FR2241749B1 (no) | 1978-11-24 |
| DK452074A (no) | 1975-05-12 |
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