CH624473A5 - Closure flap for ventilation systems - Google Patents
Closure flap for ventilation systems Download PDFInfo
- Publication number
- CH624473A5 CH624473A5 CH1108177A CH1108177A CH624473A5 CH 624473 A5 CH624473 A5 CH 624473A5 CH 1108177 A CH1108177 A CH 1108177A CH 1108177 A CH1108177 A CH 1108177A CH 624473 A5 CH624473 A5 CH 624473A5
- Authority
- CH
- Switzerland
- Prior art keywords
- flap
- frame
- wing
- ring
- seal
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 title claims 2
- 238000007789 sealing Methods 0.000 claims 11
- 239000011888 foil Substances 0.000 claims 5
- 239000002184 metal Substances 0.000 claims 5
- 229910001369 Brass Inorganic materials 0.000 claims 4
- 239000010951 brass Substances 0.000 claims 4
- 239000006260 foam Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 238000005299 abrasion Methods 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000009432 framing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
Classifications
-
- 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
- F16K1/18—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 pivoted discs or flaps
- F16K1/22—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 pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
-
- 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)
- Lift Valve (AREA)
- Air-Flow Control Members (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19767628312 DE7628312U1 (de) | 1976-09-10 | 1976-09-10 | Verschlussklappe fuer lufttechnische anlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH624473A5 true CH624473A5 (en) | 1981-07-31 |
Family
ID=6669090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1108177A CH624473A5 (en) | 1976-09-10 | 1977-09-09 | Closure flap for ventilation systems |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH624473A5 (enExample) |
| DE (1) | DE7628312U1 (enExample) |
| FR (1) | FR2365068A3 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7733241U1 (de) * | 1977-10-28 | 1978-02-02 | Siegwart, Emil, 6603 Sulzbach | Verschlussklappe fuer lufttechnische anlagen |
| DE7733240U1 (de) * | 1977-10-28 | 1978-02-02 | Siegwart, Emil, 6603 Sulzbach | Verschlussklappe fuer lufttechnische anlagen |
-
1976
- 1976-09-10 DE DE19767628312 patent/DE7628312U1/de not_active Expired
-
1977
- 1977-09-09 CH CH1108177A patent/CH624473A5/de not_active IP Right Cessation
- 1977-09-12 FR FR7727421A patent/FR2365068A3/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2365068A3 (fr) | 1978-04-14 |
| DE7628312U1 (de) | 1976-12-30 |
| FR2365068B3 (enExample) | 1981-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |