CH549258A - SELF-MONITORING ACTUATION DEVICE. - Google Patents
SELF-MONITORING ACTUATION DEVICE.Info
- Publication number
- CH549258A CH549258A CH334273A CH334273A CH549258A CH 549258 A CH549258 A CH 549258A CH 334273 A CH334273 A CH 334273A CH 334273 A CH334273 A CH 334273A CH 549258 A CH549258 A CH 549258A
- Authority
- CH
- Switzerland
- Prior art keywords
- self
- actuation device
- monitoring actuation
- monitoring
- actuation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/2671—Means to detect leaks in the pressure sensitive element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/20—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
- G01K1/24—Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature by means of compounded strips or plates, e.g. by bimetallic strips
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722211126 DE2211126A1 (en) | 1972-03-08 | 1972-03-08 | SELF-MONITORING ACTUATION DEVICE |
DE19732300346 DE2300346B2 (en) | 1973-01-04 | 1973-01-04 | Actuator |
Publications (1)
Publication Number | Publication Date |
---|---|
CH549258A true CH549258A (en) | 1974-05-15 |
Family
ID=25762855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH334273A CH549258A (en) | 1972-03-08 | 1973-03-07 | SELF-MONITORING ACTUATION DEVICE. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH549258A (en) |
FR (1) | FR2175203B1 (en) |
GB (1) | GB1420412A (en) |
IT (1) | IT981179B (en) |
NL (1) | NL7303223A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2857202A1 (en) * | 1977-12-02 | 1981-01-08 | United Gas Industries Ltd | BELLOWS-OPERATED DEVICES |
WO1979000337A1 (en) * | 1977-12-02 | 1979-06-14 | United Gas Industries Ltd | Bellows-operated devices |
GB2147390B (en) * | 1983-09-29 | 1987-07-15 | United Gas Industries Ltd | Control mechanisms |
CN103376167B (en) * | 2012-04-19 | 2015-11-25 | 深圳市泰士特科技股份有限公司 | Large-scale power transformer temperature controller compensation device |
CN113959573B (en) * | 2021-10-25 | 2023-11-17 | 安徽春辉仪表线缆集团有限公司 | Electric contact bimetal thermometer capable of giving alarm when power is off |
CN114496646B (en) * | 2022-02-18 | 2024-07-02 | 朗松珂利(上海)仪器仪表有限公司 | Remote-transmission type gas density relay |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR765592A (en) * | 1933-03-09 | 1934-06-12 | Edgar B Frank Ets | Improvement in altimetric capsules |
US2120929A (en) * | 1935-03-18 | 1938-06-14 | Clifford Mfg Co | Thermostatic unit |
US2290093A (en) * | 1939-10-31 | 1942-07-14 | Wilcolator Co | Snap acting device |
FR1506322A (en) * | 1966-05-11 | 1967-12-22 | Meci | Device for the transmission of a mechanical quantity through the wall of an enclosure |
CH528142A (en) * | 1971-02-24 | 1972-09-15 | Bbc Brown Boveri & Cie | Pressure dependent temperature compensated switch |
-
1973
- 1973-03-07 CH CH334273A patent/CH549258A/en not_active IP Right Cessation
- 1973-03-07 IT IT2127873A patent/IT981179B/en active
- 1973-03-07 NL NL7303223A patent/NL7303223A/xx unknown
- 1973-03-08 FR FR7308403A patent/FR2175203B1/fr not_active Expired
- 1973-03-08 GB GB1128973A patent/GB1420412A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2175203B1 (en) | 1977-02-04 |
GB1420412A (en) | 1976-01-07 |
FR2175203A1 (en) | 1973-10-19 |
IT981179B (en) | 1974-10-10 |
NL7303223A (en) | 1973-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |