NL7411902A - OPENING DEVICE FOR DRAIN VALVES. - Google Patents
OPENING DEVICE FOR DRAIN VALVES.Info
- Publication number
- NL7411902A NL7411902A NL7411902A NL7411902A NL7411902A NL 7411902 A NL7411902 A NL 7411902A NL 7411902 A NL7411902 A NL 7411902A NL 7411902 A NL7411902 A NL 7411902A NL 7411902 A NL7411902 A NL 7411902A
- Authority
- NL
- Netherlands
- Prior art keywords
- opening device
- drain valves
- valves
- drain
- opening
- 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
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7333352 | 1973-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7411902A true NL7411902A (en) | 1975-03-18 |
Family
ID=6640568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7411902A NL7411902A (en) | 1973-09-14 | 1974-09-06 | OPENING DEVICE FOR DRAIN VALVES. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE819360A (en) |
FR (1) | FR2243709A1 (en) |
NL (1) | NL7411902A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539177B1 (en) * | 1983-01-07 | 1987-01-30 | Sigma Plastique | DEVICE FOR THE FULL OPENING OF LAMPS OR SAFETY OUTLETS IN THE EVENT OF FIRE |
IT1216319B (en) * | 1986-07-14 | 1990-02-22 | Ansaldo Spa | AUTOMATIC SERVO-ASSISTED VALVE WITH QUICK OPENING |
-
1974
- 1974-08-13 FR FR7427982A patent/FR2243709A1/en active Granted
- 1974-08-29 BE BE148049A patent/BE819360A/en not_active IP Right Cessation
- 1974-09-06 NL NL7411902A patent/NL7411902A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE819360A (en) | 1974-12-16 |
FR2243709A1 (en) | 1975-04-11 |
FR2243709B3 (en) | 1975-11-21 |
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