FR2273214A1 - Multiple-element rotary-louvre damper - has adjacent louvres driven by different diameter gear wheels - Google Patents
Multiple-element rotary-louvre damper - has adjacent louvres driven by different diameter gear wheelsInfo
- Publication number
- FR2273214A1 FR2273214A1 FR7516507A FR7516507A FR2273214A1 FR 2273214 A1 FR2273214 A1 FR 2273214A1 FR 7516507 A FR7516507 A FR 7516507A FR 7516507 A FR7516507 A FR 7516507A FR 2273214 A1 FR2273214 A1 FR 2273214A1
- Authority
- FR
- France
- Prior art keywords
- louvres
- gear wheels
- adjacent
- driven
- diameter gear
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/165—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with a plurality of closure members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Flow Control Members (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7418367 | 1974-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2273214A1 true FR2273214A1 (en) | 1975-12-26 |
| FR2273214B3 FR2273214B3 (2) | 1978-12-29 |
Family
ID=6645176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7516507A Granted FR2273214A1 (en) | 1974-05-27 | 1975-05-27 | Multiple-element rotary-louvre damper - has adjacent louvres driven by different diameter gear wheels |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT335127B (2) |
| CH (1) | CH589826A5 (2) |
| FR (1) | FR2273214A1 (2) |
| NL (1) | NL7506144A (2) |
-
1975
- 1975-05-26 AT AT396475A patent/AT335127B/de not_active IP Right Cessation
- 1975-05-26 NL NL7506144A patent/NL7506144A/xx unknown
- 1975-05-26 CH CH668575A patent/CH589826A5/xx not_active IP Right Cessation
- 1975-05-27 FR FR7516507A patent/FR2273214A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7506144A (nl) | 1975-12-01 |
| AT335127B (de) | 1977-02-25 |
| CH589826A5 (2) | 1977-07-15 |
| ATA396475A (de) | 1976-06-15 |
| FR2273214B3 (2) | 1978-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |