GB8506220D0 - Control apparatus - Google Patents
Control apparatusInfo
- Publication number
- GB8506220D0 GB8506220D0 GB858506220A GB8506220A GB8506220D0 GB 8506220 D0 GB8506220 D0 GB 8506220D0 GB 858506220 A GB858506220 A GB 858506220A GB 8506220 A GB8506220 A GB 8506220A GB 8506220 D0 GB8506220 D0 GB 8506220D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- control apparatus
- control
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/16—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in the magnetic properties of material resulting from the application of stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air-Conditioning For Vehicles (AREA)
- Compressor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59681884A | 1984-04-04 | 1984-04-04 | |
US06/596,831 US4561261A (en) | 1984-04-04 | 1984-04-04 | Control apparatus and methods, heat transfer systems and apparatus and methods for controlling such systems and for sensing and indicating low fluid charge conditions therein |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8506220D0 true GB8506220D0 (en) | 1985-04-11 |
GB2156996A GB2156996A (en) | 1985-10-16 |
GB2156996B GB2156996B (en) | 1987-12-16 |
Family
ID=27082651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08506220A Expired GB2156996B (en) | 1984-04-04 | 1985-03-11 | Sensing pressure and controlling heat transfer systems |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3540915A1 (en) |
FR (1) | FR2571139B1 (en) |
GB (1) | GB2156996B (en) |
IT (1) | IT1184380B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1272381B (en) * | 1993-04-28 | 1997-06-23 | Siceb Spa | PRESSURE SENSOR FOR CONTROL OF AIR CONDITIONING SYSTEMS AND SIMILAR |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB625249A (en) * | 1944-02-07 | 1949-06-24 | British Thomson Houston Co Ltd | Improvements in and relating to pressure gauges |
GB684462A (en) * | 1950-05-31 | 1952-12-17 | Andre Charles Georges Le Gall | An improved method of and apparatus for measuring mechanical forces |
GB971506A (en) * | 1960-05-14 | 1964-09-30 | Svenska Tandsticks Aktiebolage | Improved apparatus for the measurement of physical quantities |
US3292429A (en) * | 1963-02-13 | 1966-12-20 | Asea Ab | Means for measuring mechanical forces |
GB1070693A (en) * | 1963-05-31 | 1967-06-01 | Yaskawa Denki Seisakusho Kk | Apparatus for measuring a mechanical stress |
GB1168861A (en) * | 1967-01-16 | 1969-10-29 | Lockheed Aircraft Corp | Ferrimagnetic Pressure Transducer |
GB1211430A (en) * | 1968-06-19 | 1970-11-04 | Vnii Elektrotermicheskogo Obor | Pressure trandsducer |
SE347354B (en) * | 1969-10-29 | 1972-07-31 | Asea Ab | |
US3940992A (en) * | 1973-12-26 | 1976-03-02 | Texas Instruments Incorporated | Transducer |
DE3119659C2 (en) * | 1981-05-16 | 1983-10-27 | Leonhard Schmid Kg, 8900 Augsburg | "Mobile mixing and conveying machine for pumpable building material mix" |
JPS5815136A (en) * | 1981-07-20 | 1983-01-28 | Aisin Seiki Co Ltd | Pressure sensor |
-
1985
- 1985-03-11 GB GB08506220A patent/GB2156996B/en not_active Expired
- 1985-03-25 DE DE19853540915 patent/DE3540915A1/en not_active Withdrawn
- 1985-03-28 FR FR8504625A patent/FR2571139B1/en not_active Expired
- 1985-04-04 IT IT20225/85A patent/IT1184380B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8520225A0 (en) | 1985-04-04 |
FR2571139A1 (en) | 1986-04-04 |
IT1184380B (en) | 1987-10-28 |
GB2156996A (en) | 1985-10-16 |
FR2571139B1 (en) | 1989-11-24 |
GB2156996B (en) | 1987-12-16 |
DE3540915A1 (en) | 1986-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980311 |