FR2408780A1 - Clapet anti-retour pour ecoulement gazeux - Google Patents
Clapet anti-retour pour ecoulement gazeuxInfo
- Publication number
- FR2408780A1 FR2408780A1 FR7832141A FR7832141A FR2408780A1 FR 2408780 A1 FR2408780 A1 FR 2408780A1 FR 7832141 A FR7832141 A FR 7832141A FR 7832141 A FR7832141 A FR 7832141A FR 2408780 A1 FR2408780 A1 FR 2408780A1
- Authority
- FR
- France
- Prior art keywords
- face
- parallel
- gas flow
- thin membrane
- axial passageways
- 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
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
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
L'INVENTION CONCERNE UN CLAPET ANTI-RETOUR POUR ECOULEMENT GAZEUX. LE CLAPET COMPREND D'UNE PART, UN CORPS 21 EN UNE MATIERE AYANT DES PROPRIETES ELECTROSTATIQUES ET POURVU D'UN GRAND NOMBRE DE PASSAGES AXIAUX PARALLELES 22 ET UN OBTURATEUR EGALEMENT EN UNE MATIERE AYANT DES PROPRIETES ELECTROSTATIQUES ET CONSTITUE PAR UNE MEMBRANE MINCE 16 FIXEE SUR UN COTE FRONTAL DU CORPS DE CLAPET. APPLICATION AUX APPAREILS RESPIRATOIRES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772750912 DE2750912A1 (de) | 1977-11-14 | 1977-11-14 | Ventil zum durchlassen von stroemenden gasen nur in einer stroemungsrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408780A1 true FR2408780A1 (fr) | 1979-06-08 |
FR2408780B3 FR2408780B3 (fr) | 1981-08-14 |
Family
ID=6023729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832141A Granted FR2408780A1 (fr) | 1977-11-14 | 1978-11-14 | Clapet anti-retour pour ecoulement gazeux |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2750912A1 (fr) |
FR (1) | FR2408780A1 (fr) |
IT (1) | IT1100278B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995034776A1 (fr) * | 1994-06-13 | 1995-12-21 | Franz Schulte | Clapet antiretour |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2710355B2 (ja) * | 1988-09-20 | 1998-02-10 | 日本ゼオン株式会社 | 医用弁装置 |
US6065493A (en) * | 1998-05-22 | 2000-05-23 | Sealand Technology, Inc. | Vacuum relief valve for sewage holding tank |
DE102016011597A1 (de) | 2016-09-27 | 2018-03-29 | Dräger Safety AG & Co. KGaA | Richtungsventil, insbesondere für Atemgase, und Verfahren zu dessen Herstellung |
-
1977
- 1977-11-14 DE DE19772750912 patent/DE2750912A1/de not_active Withdrawn
-
1978
- 1978-11-13 IT IT29729/78A patent/IT1100278B/it active
- 1978-11-14 FR FR7832141A patent/FR2408780A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995034776A1 (fr) * | 1994-06-13 | 1995-12-21 | Franz Schulte | Clapet antiretour |
US5860449A (en) * | 1994-06-13 | 1999-01-19 | A. Kayser Automotive Systems Gmbh | Back-flow check valve |
Also Published As
Publication number | Publication date |
---|---|
IT7829729A0 (it) | 1978-11-13 |
FR2408780B3 (fr) | 1981-08-14 |
IT1100278B (it) | 1985-09-28 |
DE2750912A1 (de) | 1979-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |