FR441207A - Differential ventilation process - Google Patents
Differential ventilation processInfo
- Publication number
- FR441207A FR441207A FR441207A FR441207DA FR441207A FR 441207 A FR441207 A FR 441207A FR 441207 A FR441207 A FR 441207A FR 441207D A FR441207D A FR 441207DA FR 441207 A FR441207 A FR 441207A
- Authority
- FR
- France
- Prior art keywords
- ventilation process
- differential ventilation
- differential
- ventilation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE781X | 1911-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR441207A true FR441207A (en) | 1912-08-01 |
Family
ID=84463776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR441207A Expired FR441207A (en) | 1911-10-17 | 1912-03-11 | Differential ventilation process |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR441207A (en) |
GB (1) | GB191217307A (en) |
NL (1) | NL781C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903285A1 (en) * | 2006-09-14 | 2008-03-26 | Dir-Air Oy | An air ventilator |
-
1912
- 1912-03-11 FR FR441207A patent/FR441207A/en not_active Expired
- 1912-07-25 GB GB191217307D patent/GB191217307A/en not_active Expired
- 1912-10-17 NL NL1374A patent/NL781C/en active
Also Published As
Publication number | Publication date |
---|---|
GB191217307A (en) | 1913-07-24 |
NL781C (en) | 1915-08-02 |
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