NL6809472A - - Google Patents
Info
- Publication number
- NL6809472A NL6809472A NL6809472A NL6809472A NL6809472A NL 6809472 A NL6809472 A NL 6809472A NL 6809472 A NL6809472 A NL 6809472A NL 6809472 A NL6809472 A NL 6809472A NL 6809472 A NL6809472 A NL 6809472A
- Authority
- NL
- Netherlands
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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
-
- 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
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH727868A CH491332A (de) | 1968-05-16 | 1968-05-16 | Lochdecke |
CH815568A CH491333A (de) | 1968-05-31 | 1968-05-31 | Lochdecke |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6809472A true NL6809472A (xx) | 1969-11-18 |
Family
ID=25701069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6809472A NL6809472A (xx) | 1968-05-16 | 1968-07-04 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE732753A (xx) |
FR (1) | FR2008673A1 (xx) |
NL (1) | NL6809472A (xx) |
-
1968
- 1968-07-04 NL NL6809472A patent/NL6809472A/xx unknown
-
1969
- 1969-05-08 BE BE732753D patent/BE732753A/xx unknown
- 1969-05-14 FR FR6915736A patent/FR2008673A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2008673A1 (xx) | 1970-01-23 |
BE732753A (xx) | 1969-11-10 |