FR2270534B1 - - Google Patents
Info
- Publication number
- FR2270534B1 FR2270534B1 FR7416951A FR7416951A FR2270534B1 FR 2270534 B1 FR2270534 B1 FR 2270534B1 FR 7416951 A FR7416951 A FR 7416951A FR 7416951 A FR7416951 A FR 7416951A FR 2270534 B1 FR2270534 B1 FR 2270534B1
- 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
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- 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
- G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416951A FR2270534A1 (en) | 1974-05-08 | 1974-05-08 | Liquid circuit expansion vessel safety device - has probe forming capacitor cutting in make-up pump at intermediate level |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416951A FR2270534A1 (en) | 1974-05-08 | 1974-05-08 | Liquid circuit expansion vessel safety device - has probe forming capacitor cutting in make-up pump at intermediate level |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2270534A1 FR2270534A1 (en) | 1975-12-05 |
FR2270534B1 true FR2270534B1 (fi) | 1976-10-15 |
Family
ID=9138904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7416951A Granted FR2270534A1 (en) | 1974-05-08 | 1974-05-08 | Liquid circuit expansion vessel safety device - has probe forming capacitor cutting in make-up pump at intermediate level |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2270534A1 (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2421417A1 (fr) * | 1978-03-31 | 1979-10-26 | Billard Gilles | Dispositif pour la regulation, en pression et en volume, d'un liquide contenu dans un circuit hydraulique |
AU652622B2 (en) * | 1991-04-15 | 1994-09-01 | Val Bekman | Automatic device to cut water and electrical supply to damaged hot water tanks |
NL1035645C2 (nl) * | 2008-07-01 | 2010-01-05 | Agpo Bv | Besturing van een brander in een CV-ketel. |
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1974
- 1974-05-08 FR FR7416951A patent/FR2270534A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2270534A1 (en) | 1975-12-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |