NL102970C - - Google Patents
Info
- Publication number
- NL102970C NL102970C NL102970DA NL102970C NL 102970 C NL102970 C NL 102970C NL 102970D A NL102970D A NL 102970DA NL 102970 C NL102970 C NL 102970C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0173—Control of flow without auxiliary power using pivoting sensing element acting as a valve mounted within the flow-path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L13/00—Construction of valves or dampers for controlling air supply or draught
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2850043X | 1954-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL102970C true NL102970C (xx) |
Family
ID=20427523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL102970D NL102970C (xx) | 1954-10-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2850043A (xx) |
| FR (1) | FR1132813A (xx) |
| NL (1) | NL102970C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1252395B (xx) * | 1967-10-19 | |||
| ES264920A1 (es) * | 1960-02-19 | 1961-07-16 | Svenska Fl Ktfabriken A B | Dispositivo para mantener constante la presiën estatica |
| US3179125A (en) * | 1960-10-07 | 1965-04-20 | Air Devices Inc | One motor mixing box |
| DE9208345U1 (de) * | 1992-06-23 | 1992-11-12 | Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn | Volumenstromregler für Klima- und Lüftungsanlagen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2250614A (en) * | 1939-01-16 | 1941-07-29 | Railway Utility Company | Ventilator for moving vehicles |
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0
- NL NL102970D patent/NL102970C/xx active
-
1955
- 1955-10-17 US US540947A patent/US2850043A/en not_active Expired - Lifetime
- 1955-10-17 FR FR1132813D patent/FR1132813A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2850043A (en) | 1958-09-02 |
| FR1132813A (fr) | 1957-03-18 |