JPS4997655A - - Google Patents
Info
- Publication number
- JPS4997655A JPS4997655A JP48128821A JP12882173A JPS4997655A JP S4997655 A JPS4997655 A JP S4997655A JP 48128821 A JP48128821 A JP 48128821A JP 12882173 A JP12882173 A JP 12882173A JP S4997655 A JPS4997655 A JP S4997655A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5308572A GB1450895A (en) | 1972-11-17 | 1972-11-17 | Liquid level detection systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4997655A true JPS4997655A (ja) | 1974-09-14 |
Family
ID=10466571
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48128821A Pending JPS4997655A (ja) | 1972-11-17 | 1973-11-17 | |
| JP49014620A Pending JPS50101062A (ja) | 1972-11-17 | 1974-02-06 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49014620A Pending JPS50101062A (ja) | 1972-11-17 | 1974-02-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3932852A (ja) |
| JP (2) | JPS4997655A (ja) |
| DE (1) | DE2357291A1 (ja) |
| FR (1) | FR2207271B2 (ja) |
| GB (1) | GB1450895A (ja) |
| IT (1) | IT1046768B (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065760A (en) * | 1977-03-04 | 1977-12-27 | Fea Devices, Inc. | Liquid level sensor |
| DE2832757C2 (de) * | 1978-07-26 | 1982-05-27 | Veit KG Bekleidungstechnik GmbH & Co, 8910 Landsberg | Elektrische Meßanordnung für eine Einrichtung zur Druck- Temperatur- und Füllstandsregelung für Kessel |
| DE2961163D1 (en) * | 1978-08-23 | 1982-01-07 | Lucas Ind Plc | Liquid level sensing apparatus |
| IT7853869V0 (it) * | 1978-11-07 | 1978-11-07 | Borletti Spa | Dispositivo sensore di livello per liquidi dielettrici |
| FR2457480A1 (fr) * | 1979-05-21 | 1980-12-19 | Compteurs E D | Dispositif de mesure d'un niveau de liquide |
| US5183267A (en) * | 1987-12-10 | 1993-02-02 | Chicago Rawhide Manufacturing Co. | Seal for sending unit |
| US5196729A (en) * | 1990-03-30 | 1993-03-23 | Thorngren John T | Liquid activated control switch |
| CN107523869B (zh) * | 2017-09-21 | 2024-03-05 | 浙江晶盛机电股份有限公司 | 一种单晶炉可提升水冷热屏装置 |
| CN109405890B (zh) * | 2018-12-17 | 2021-01-26 | 四川泛茂科技股份有限公司 | 一种柴油发电机组自动加油监测方法及实现该方法的系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096278A (en) * | 1964-04-28 | 1967-12-20 | Dipstix Ltd | Improvements in or relating to liquid level indicators |
| US3461447A (en) * | 1965-07-10 | 1969-08-12 | Dba Sa | Fluid level indicator |
| GB1288748A (ja) * | 1968-11-20 | 1972-09-13 | ||
| US3644885A (en) * | 1970-06-22 | 1972-02-22 | Ford Motor Co | Low liquid level indicator |
| US3760352A (en) * | 1971-07-06 | 1973-09-18 | Texas Instruments Inc | Liquid level indicating system |
| GB1375372A (ja) * | 1971-09-18 | 1974-11-27 | ||
| US3781839A (en) * | 1972-01-07 | 1973-12-25 | Texas Instruments Inc | Fluid flow sensing device |
| US3813629A (en) * | 1973-01-05 | 1974-05-28 | Gte Sylvania Inc | Temperature compensated fluid level sensor |
| US3810143A (en) * | 1973-04-09 | 1974-05-07 | Gte Sylvania Inc | Temperature compensated fluid sensor |
-
1972
- 1972-11-17 GB GB5308572A patent/GB1450895A/en not_active Expired
-
1973
- 1973-10-25 US US05/409,449 patent/US3932852A/en not_active Expired - Lifetime
- 1973-11-14 FR FR7341344A patent/FR2207271B2/fr not_active Expired
- 1973-11-15 IT IT53708/73A patent/IT1046768B/it active
- 1973-11-16 DE DE2357291A patent/DE2357291A1/de not_active Withdrawn
- 1973-11-17 JP JP48128821A patent/JPS4997655A/ja active Pending
-
1974
- 1974-02-06 JP JP49014620A patent/JPS50101062A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50101062A (ja) | 1975-08-11 |
| FR2207271B2 (ja) | 1976-11-19 |
| GB1450895A (en) | 1976-09-29 |
| FR2207271A2 (ja) | 1974-06-14 |
| US3932852A (en) | 1976-01-13 |
| DE2357291A1 (de) | 1974-05-30 |
| IT1046768B (it) | 1980-07-31 |