DE1813585B2 - Druckabfallanzeigevorrichtung - Google Patents
DruckabfallanzeigevorrichtungInfo
- Publication number
- DE1813585B2 DE1813585B2 DE19681813585 DE1813585A DE1813585B2 DE 1813585 B2 DE1813585 B2 DE 1813585B2 DE 19681813585 DE19681813585 DE 19681813585 DE 1813585 A DE1813585 A DE 1813585A DE 1813585 B2 DE1813585 B2 DE 1813585B2
- Authority
- DE
- Germany
- Prior art keywords
- space
- pressure
- monitored
- change
- switch
- 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
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/06—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the bellows type
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR131985 | 1967-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1813585A1 DE1813585A1 (de) | 1969-07-03 |
| DE1813585B2 true DE1813585B2 (de) | 1972-12-07 |
Family
ID=8643127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681813585 Granted DE1813585B2 (de) | 1967-12-12 | 1968-12-10 | Druckabfallanzeigevorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3576412A (enExample) |
| DE (1) | DE1813585B2 (enExample) |
| FR (1) | FR1557077A (enExample) |
| GB (1) | GB1235345A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735376A (en) * | 1971-03-05 | 1973-05-22 | Htl Industries | Leakage indicator for a fire extinguisher |
| US3810141A (en) * | 1971-12-20 | 1974-05-07 | Bell Telephone Labor Inc | Blast-actuated control system |
| US3782168A (en) * | 1972-10-02 | 1974-01-01 | M & J Valve Co | Method and apparatus for calibrating and testing pressure responsive apparatus |
| US3946175A (en) * | 1973-12-03 | 1976-03-23 | Htl Industries, Inc. | Magnetic pressure indicator for a container |
| DE3679179D1 (de) * | 1986-03-07 | 1991-06-13 | Dexaero | Temperaturkompensierter druckregler und sicherheitseinrichtung fuer feuerloescher mit einem solchen druckregler. |
| BE1007786A3 (fr) * | 1993-11-29 | 1995-10-24 | Blagden Ind Plc | Procede et dispositif pour la detection de fuites dans les recipients. |
| US9212966B2 (en) * | 2011-08-05 | 2015-12-15 | Solon Manufacturing Company | Network manageable advanced gas sensor apparatus and method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124960A (en) * | 1964-03-17 | Clark | ||
| CA636674A (en) * | 1962-02-20 | B. Caldwell Harry | Pressure sensing switches | |
| US2357353A (en) * | 1941-01-28 | 1944-09-05 | Gen Motors Corp | Method and apparatus for testing thermostatic control devices |
| US2567519A (en) * | 1948-02-27 | 1951-09-11 | Livingston Ralph | Pressure monitoring device |
| US3046369A (en) * | 1959-04-27 | 1962-07-24 | Beatrice A Hicks | Device for sensing gas density |
| US3161865A (en) * | 1959-05-25 | 1964-12-15 | Jr John E Lindberg | Replenishable fire detector |
| US3092821A (en) * | 1960-09-06 | 1963-06-04 | Gen Dynamics Corp | Leak meter for detecting fluid pressure leaks |
| US3172292A (en) * | 1961-09-01 | 1965-03-09 | Foxboro Co | Pressure chamber system |
| US3269186A (en) * | 1963-07-22 | 1966-08-30 | Specialties Dev Corp | Temperature compensated pressure indicator |
-
1967
- 1967-12-12 FR FR131985A patent/FR1557077A/fr not_active Expired
-
1968
- 1968-12-03 US US780747A patent/US3576412A/en not_active Expired - Lifetime
- 1968-12-10 DE DE19681813585 patent/DE1813585B2/de active Granted
- 1968-12-10 GB GB58602/68A patent/GB1235345A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1813585A1 (de) | 1969-07-03 |
| US3576412A (en) | 1971-04-27 |
| FR1557077A (enExample) | 1969-02-14 |
| GB1235345A (en) | 1971-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |