NL77563C - - Google Patents
Info
- Publication number
- NL77563C NL77563C NL77563DA NL77563C NL 77563 C NL77563 C NL 77563C NL 77563D A NL77563D A NL 77563DA NL 77563 C NL77563 C NL 77563C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/181—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for cables
-
- 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
- G01M3/28—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2838—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR942229X | 1951-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77563C true NL77563C (US08067022-20111129-C00003.png) |
Family
ID=9470793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77563D NL77563C (US08067022-20111129-C00003.png) | 1951-05-21 |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3101444A (en) * | 1959-06-30 | 1963-08-20 | John R Montgomery | Electronic pressure measuring means for internal combustion engines responsive to pressure caused spark gap resistance change |
| DE2413927C3 (de) * | 1974-03-20 | 1987-10-22 | Siemens AG, 1000 Berlin und 8000 München | Anordnung mit einem Hochspannungskondensator |
| US20140298894A1 (en) * | 2013-04-09 | 2014-10-09 | Schlumberger Technology Corporation | Line pressure testing technique |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202906C (US08067022-20111129-C00003.png) * | ||||
| US996091A (en) * | 1910-10-06 | 1911-06-27 | Maurice Bernays Johnson | Spark-gap muffler. |
| GB355630A (en) * | 1930-12-31 | 1931-08-27 | Frederick Trafford | Improvements in apparatus for the detection of smoke from furnaces |
| US2058256A (en) * | 1935-05-11 | 1936-10-20 | Bell Telephone Labor Inc | Gas pressure alarm contactor |
| US2305096A (en) * | 1941-06-19 | 1942-12-15 | Julian A Mcdermott | Automatic circuit controller for gaseous discharge devices |
| BE470232A (US08067022-20111129-C00003.png) * | 1946-01-17 | 1948-06-07 | ||
| US2523017A (en) * | 1946-04-11 | 1950-09-19 | Honeywell Regulator Co | Detonation detector system |
| US2600891A (en) * | 1946-09-20 | 1952-06-17 | Stephen M Macneille | Vacuum system leak detector |
| CH270969A (de) * | 1947-04-23 | 1950-09-30 | Automatic Telephone & Elect | Einrichtung an elektrischen Kabeln, die Gas unter Druck enthalten. |
-
0
- NL NL77563D patent/NL77563C/xx active
- BE BE511339D patent/BE511339A/xx unknown
-
1951
- 1951-05-21 FR FR1037350D patent/FR1037350A/fr not_active Expired
-
1952
- 1952-04-23 CH CH301290D patent/CH301290A/fr unknown
- 1952-05-02 GB GB11176/52A patent/GB697598A/en not_active Expired
- 1952-05-06 US US286395A patent/US2698430A/en not_active Expired - Lifetime
- 1952-05-22 DE DES28633A patent/DE942229C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE511339A (US08067022-20111129-C00003.png) | |
| DE942229C (de) | 1956-04-26 |
| GB697598A (en) | 1953-09-23 |
| CH301290A (fr) | 1954-08-31 |
| US2698430A (en) | 1954-12-28 |
| FR1037350A (fr) | 1953-09-16 |
