DE1523425A1 - Temperatur- und Niveaufuehler - Google Patents
Temperatur- und NiveaufuehlerInfo
- Publication number
- DE1523425A1 DE1523425A1 DE19661523425 DE1523425A DE1523425A1 DE 1523425 A1 DE1523425 A1 DE 1523425A1 DE 19661523425 DE19661523425 DE 19661523425 DE 1523425 A DE1523425 A DE 1523425A DE 1523425 A1 DE1523425 A1 DE 1523425A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- temperature
- mercury
- switch
- heat
- 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.)
- Pending
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 34
- 229910052753 mercury Inorganic materials 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 25
- 239000012530 fluid Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 description 12
- 239000000314 lubricant Substances 0.000 description 10
- 238000013021 overheating Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 241000404724 Creediidae Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
- H01H35/183—Switches operated by change of liquid level or of liquid density, e.g. float switch making use of a thermal switch
-
- 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
- G01F23/246—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 thermal devices
- G01F23/247—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 thermal devices for discrete levels
- G01F23/248—Constructional details; Mounting of probes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Level Indicators Using A Float (AREA)
- Thermally Actuated Switches (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US476341A US3329787A (en) | 1965-08-02 | 1965-08-02 | Temperature and level sensor with heater and heat transfer means |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1523425A1 true DE1523425A1 (de) | 1969-02-20 |
Family
ID=23891457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19661523425 Pending DE1523425A1 (de) | 1965-08-02 | 1966-08-02 | Temperatur- und Niveaufuehler |
Country Status (4)
Country | Link |
---|---|
US (1) | US3329787A (enrdf_load_stackoverflow) |
DE (1) | DE1523425A1 (enrdf_load_stackoverflow) |
GB (1) | GB1076268A (enrdf_load_stackoverflow) |
SE (1) | SE309686B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0474905A1 (de) * | 1990-09-13 | 1992-03-18 | VDO Adolf Schindling AG | Niveauschalter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859645A (en) * | 1973-06-04 | 1975-01-07 | Gte Sylvania Inc | Temperature compensated fluid level sensor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1560119A (en) * | 1921-09-12 | 1925-11-03 | Cutler Hammer Mfg Co | Thermally-operated circuit controller |
US2158146A (en) * | 1937-09-20 | 1939-05-16 | Vapor Car Heating Co Inc | Thermostat |
US2619566A (en) * | 1949-08-25 | 1952-11-25 | Charles F Mahoney | Actuating apparatus responsive to change in liquid level |
BE570153A (enrdf_load_stackoverflow) * | 1957-08-09 |
-
1965
- 1965-08-02 US US476341A patent/US3329787A/en not_active Expired - Lifetime
-
1966
- 1966-03-24 GB GB13025/66A patent/GB1076268A/en not_active Expired
- 1966-06-23 SE SE8624/66A patent/SE309686B/xx unknown
- 1966-08-02 DE DE19661523425 patent/DE1523425A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0474905A1 (de) * | 1990-09-13 | 1992-03-18 | VDO Adolf Schindling AG | Niveauschalter |
Also Published As
Publication number | Publication date |
---|---|
SE309686B (enrdf_load_stackoverflow) | 1969-03-31 |
GB1076268A (en) | 1967-07-19 |
US3329787A (en) | 1967-07-04 |
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