NL64241C - - Google Patents
Info
- Publication number
- NL64241C NL64241C NL64241DA NL64241C NL 64241 C NL64241 C NL 64241C NL 64241D A NL64241D A NL 64241DA NL 64241 C NL64241 C NL 64241C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
- G06G7/57—Analogue computers for specific processes, systems or devices, e.g. simulators for fluid flow ; for distribution networks
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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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
- F24F11/0001—Control or safety arrangements for ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Computer Hardware Design (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE884201X | 1941-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL64241C true NL64241C (en:Method) |
Family
ID=6832341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL64241D NL64241C (en:Method) | 1941-07-15 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR884201A (en:Method) |
| NL (1) | NL64241C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2859682A (en) * | 1952-06-30 | 1958-11-11 | Joy Mfg Co | Method of ventilating the productive areas of a coal mine |
| FR2779487A1 (fr) * | 1998-06-03 | 1999-12-03 | Daniel Masse | Centrale hydro-thermo-electrique a cheminee de vapeur sous vide et convertisseurs d'energie hydrodynamiques asymetriques |
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0
- NL NL64241D patent/NL64241C/xx active
-
1942
- 1942-07-15 FR FR884201D patent/FR884201A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR884201A (fr) | 1943-08-06 |