FR2166914A5 - - Google Patents
Info
- Publication number
- FR2166914A5 FR2166914A5 FR7235549A FR7235549A FR2166914A5 FR 2166914 A5 FR2166914 A5 FR 2166914A5 FR 7235549 A FR7235549 A FR 7235549A FR 7235549 A FR7235549 A FR 7235549A FR 2166914 A5 FR2166914 A5 FR 2166914A5
- Authority
- FR
- France
- 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
Links
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
- G01L19/14—Housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/10—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
- G01L21/12—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured measuring changes in electric resistance of measuring members, e.g. of filaments; Vacuum gauges of the Pirani type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7138210 | 1971-10-08 | ||
| DE7138878 | 1971-10-14 | ||
| DE7142951 | 1971-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2166914A5 true FR2166914A5 (enExample) | 1973-08-17 |
Family
ID=27207320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7235549A Expired FR2166914A5 (enExample) | 1971-10-08 | 1972-10-06 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4862483A (enExample) |
| FR (1) | FR2166914A5 (enExample) |
| GB (1) | GB1395242A (enExample) |
| NL (1) | NL7212942A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158586A1 (de) * | 1984-03-09 | 1985-10-16 | Siemens Aktiengesellschaft | Druck- oder Druckdifferenzmessgerät |
| FR2611907A1 (fr) * | 1987-03-05 | 1988-09-09 | Tolectromed Sarl | Identificateur de fluides medicaux |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3130817A1 (de) * | 1981-08-04 | 1983-02-24 | Leybold-Heraeus GmbH, 5000 Köln | Waermeleitungsvakuummeter |
| CN106153246B (zh) * | 2015-05-15 | 2019-08-30 | 株式会社爱发科 | 皮拉尼真空计 |
| CN108507716B (zh) * | 2018-04-16 | 2024-05-14 | 成都科瑞尔低温设备有限公司 | 一种智能在线检测真空连接器 |
| GB2602040A (en) | 2020-12-16 | 2022-06-22 | Edwards Ltd | Thermal conductivity vacuum gauge assembly |
-
1972
- 1972-09-25 NL NL7212942A patent/NL7212942A/xx not_active Application Discontinuation
- 1972-10-06 FR FR7235549A patent/FR2166914A5/fr not_active Expired
- 1972-10-06 GB GB4632272A patent/GB1395242A/en not_active Expired
- 1972-10-06 JP JP10056172A patent/JPS4862483A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158586A1 (de) * | 1984-03-09 | 1985-10-16 | Siemens Aktiengesellschaft | Druck- oder Druckdifferenzmessgerät |
| FR2611907A1 (fr) * | 1987-03-05 | 1988-09-09 | Tolectromed Sarl | Identificateur de fluides medicaux |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7212942A (enExample) | 1973-04-10 |
| GB1395242A (en) | 1975-05-21 |
| JPS4862483A (enExample) | 1973-08-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |