CH491333A - Lochdecke - Google Patents
LochdeckeInfo
- Publication number
- CH491333A CH491333A CH815568A CH815568A CH491333A CH 491333 A CH491333 A CH 491333A CH 815568 A CH815568 A CH 815568A CH 815568 A CH815568 A CH 815568A CH 491333 A CH491333 A CH 491333A
- Authority
- CH
- Switzerland
- Prior art keywords
- perforated ceiling
- ceiling
- perforated
- 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
- 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)
- Duct Arrangements (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH815568A CH491333A (de) | 1968-05-31 | 1968-05-31 | Lochdecke |
NL6809472A NL6809472A (de) | 1968-05-16 | 1968-07-04 | |
BE732753D BE732753A (de) | 1968-05-16 | 1969-05-08 | |
FR6915736A FR2008673A1 (de) | 1968-05-16 | 1969-05-14 | |
GB2485069A GB1260244A (en) | 1968-05-31 | 1969-05-15 | Ventilating ceiling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH815568A CH491333A (de) | 1968-05-31 | 1968-05-31 | Lochdecke |
Publications (1)
Publication Number | Publication Date |
---|---|
CH491333A true CH491333A (de) | 1970-05-31 |
Family
ID=4336001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH815568A CH491333A (de) | 1968-05-16 | 1968-05-31 | Lochdecke |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH491333A (de) |
GB (1) | GB1260244A (de) |
-
1968
- 1968-05-31 CH CH815568A patent/CH491333A/de not_active IP Right Cessation
-
1969
- 1969-05-15 GB GB2485069A patent/GB1260244A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1260244A (en) | 1972-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |