FR2711240B1 - Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air. - Google Patents
Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air.Info
- Publication number
- FR2711240B1 FR2711240B1 FR9312334A FR9312334A FR2711240B1 FR 2711240 B1 FR2711240 B1 FR 2711240B1 FR 9312334 A FR9312334 A FR 9312334A FR 9312334 A FR9312334 A FR 9312334A FR 2711240 B1 FR2711240 B1 FR 2711240B1
- Authority
- FR
- France
- Prior art keywords
- volumes
- detecting
- air
- small pressure
- pressure imbalance
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/002—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by thermal means, e.g. hypsometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3254—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a flow detector
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9312334A FR2711240B1 (fr) | 1993-10-12 | 1993-10-12 | Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9312334A FR2711240B1 (fr) | 1993-10-12 | 1993-10-12 | Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2711240A1 FR2711240A1 (fr) | 1995-04-21 |
FR2711240B1 true FR2711240B1 (fr) | 1995-12-15 |
Family
ID=9451904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9312334A Expired - Lifetime FR2711240B1 (fr) | 1993-10-12 | 1993-10-12 | Dispositif de détection d'un faible déséquilibre de pression entre deux volumes d'air. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2711240B1 (fr) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1391867A (fr) * | 1964-01-27 | 1965-03-12 | Csf | Détecteur thermique de circulation d'un gaz |
GB1173376A (en) * | 1967-04-18 | 1969-12-10 | Cosmopolitan Assurance Company | Apparatus for testing the fluid tightness of containers |
CH583415A5 (fr) * | 1974-06-28 | 1976-12-31 | Cerberus Ag | |
DE3216916A1 (de) * | 1982-05-06 | 1983-11-10 | Efstratios Dr.-Ing. 4690 Herne Rigos | Vorrichtung zum erfassen kleiner druckdifferenzen |
DE3307126A1 (de) * | 1983-03-01 | 1983-10-06 | Esdorn Horst | Verfahren und einrichtungen zur stetigen und dreipunkt-messung kleinster differenzdruecke |
US4787251A (en) * | 1987-07-15 | 1988-11-29 | Tsi Incorporated | Directional low differential pressure transducer |
DD267108A1 (de) * | 1987-12-23 | 1989-04-19 | Ilka Luft & Kaeltetechnik | Vorrichtung zur messung kleiner druckdifferenzen |
-
1993
- 1993-10-12 FR FR9312334A patent/FR2711240B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2711240A1 (fr) | 1995-04-21 |
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