FR2964242B1 - Dispositif pour mesurer la pression residuelle dans une enceinte a vide scellee, notamment une ampoule a vide - Google Patents
Dispositif pour mesurer la pression residuelle dans une enceinte a vide scellee, notamment une ampoule a videInfo
- Publication number
- FR2964242B1 FR2964242B1 FR1056818A FR1056818A FR2964242B1 FR 2964242 B1 FR2964242 B1 FR 2964242B1 FR 1056818 A FR1056818 A FR 1056818A FR 1056818 A FR1056818 A FR 1056818A FR 2964242 B1 FR2964242 B1 FR 2964242B1
- Authority
- FR
- France
- Prior art keywords
- residual pressure
- magnetic field
- vacuum
- measuring
- axis
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/30—Vacuum gauges by making use of ionisation effects
- G01L21/34—Vacuum gauges by making use of ionisation effects using electric discharge tubes with cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056818A FR2964242B1 (fr) | 2010-08-27 | 2010-08-27 | Dispositif pour mesurer la pression residuelle dans une enceinte a vide scellee, notamment une ampoule a vide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056818A FR2964242B1 (fr) | 2010-08-27 | 2010-08-27 | Dispositif pour mesurer la pression residuelle dans une enceinte a vide scellee, notamment une ampoule a vide |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2964242A1 FR2964242A1 (fr) | 2012-03-02 |
FR2964242B1 true FR2964242B1 (fr) | 2013-11-22 |
Family
ID=43708872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1056818A Active FR2964242B1 (fr) | 2010-08-27 | 2010-08-27 | Dispositif pour mesurer la pression residuelle dans une enceinte a vide scellee, notamment une ampoule a vide |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2964242B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0622621B1 (fr) * | 1993-04-28 | 1998-07-15 | The Fredericks Company | Jauge à ionisation avec aimants montés en opposition |
JP3788148B2 (ja) * | 1999-12-16 | 2006-06-21 | 株式会社日立製作所 | 真空スイッチ及びその運転方法 |
JP4568321B2 (ja) * | 2007-11-27 | 2010-10-27 | 有限会社真空実験室 | 冷陰極電離真空計 |
-
2010
- 2010-08-27 FR FR1056818A patent/FR2964242B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR2964242A1 (fr) | 2012-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |
Owner name: SCHNEIDER ELECTRIC ENERGY FRANCE, FR Effective date: 20120806 |
|
PLFP | Fee payment |
Year of fee payment: 7 |
|
PLFP | Fee payment |
Year of fee payment: 8 |