IT1238286B - Dispositivo sensore di livello del liquido per caldaie a vapore. - Google Patents
Dispositivo sensore di livello del liquido per caldaie a vapore.Info
- Publication number
- IT1238286B IT1238286B IT00341190A IT341190A IT1238286B IT 1238286 B IT1238286 B IT 1238286B IT 00341190 A IT00341190 A IT 00341190A IT 341190 A IT341190 A IT 341190A IT 1238286 B IT1238286 B IT 1238286B
- Authority
- IT
- Italy
- Prior art keywords
- liquid level
- sensor device
- level sensor
- steam boilers
- boilers
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
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
- G01F23/243—Schematic arrangements of probes combined with measuring circuits
-
- 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
- G01F23/242—Mounting arrangements for electrodes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT00341190A IT1238286B (it) | 1990-03-26 | 1990-03-26 | Dispositivo sensore di livello del liquido per caldaie a vapore. |
EP91104421A EP0449112A1 (en) | 1990-03-26 | 1991-03-21 | Liquid level sensing device for steam boilers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT00341190A IT1238286B (it) | 1990-03-26 | 1990-03-26 | Dispositivo sensore di livello del liquido per caldaie a vapore. |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9003411A0 IT9003411A0 (it) | 1990-03-26 |
IT9003411A1 IT9003411A1 (it) | 1991-09-27 |
IT1238286B true IT1238286B (it) | 1993-07-12 |
Family
ID=11106736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT00341190A IT1238286B (it) | 1990-03-26 | 1990-03-26 | Dispositivo sensore di livello del liquido per caldaie a vapore. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0449112A1 (it) |
IT (1) | IT1238286B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1274055B (it) * | 1994-10-07 | 1997-07-14 | Fogacci Pietro Srl | Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore. |
FR2757607A1 (fr) * | 1996-12-24 | 1998-06-26 | Prinderre Philippe | Dispositif interdisant au calcaire de se fixer sur la sonde d'un systeme de regulation de niveau d'eau |
GB9908533D0 (en) | 1999-04-14 | 1999-06-09 | Novartis Ag | Organic compounds |
US6390027B1 (en) | 2000-05-31 | 2002-05-21 | C. Cowles & Company | Cycle control system for boiler and associated burner |
WO2009007456A2 (de) * | 2007-07-12 | 2009-01-15 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur zugabe von wasser zur dampferzeugung in einem gargerät |
US11428407B2 (en) | 2018-09-26 | 2022-08-30 | Cowles Operating Company | Combustion air proving apparatus with burner cut-off capability and method of performing the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3834357A (en) * | 1973-06-07 | 1974-09-10 | Itt | Low-water cut off system |
US4019067A (en) * | 1975-11-17 | 1977-04-19 | International Telephone And Telegraph Corporation | Conductive probe level control |
US4547768A (en) * | 1982-12-27 | 1985-10-15 | Kulhavy Karel A | Toilet reservoir fill alarm |
AT383677B (de) * | 1983-10-07 | 1987-08-10 | Kessel Loos Kg Bischofshofen | Pruefeinrichtung zur ueberpruefung einer fluessigkeitsmangelsicherung |
GB2166870B (en) * | 1984-07-30 | 1989-07-19 | Dominic N Loiacono | Liquid detector for air pressure type fire sprinkler system |
GB2180939A (en) * | 1985-09-25 | 1987-04-08 | Partridge Wilson And Company L | Equipment for detecting when the level of a liquid in a container drops below a predetermined level |
-
1990
- 1990-03-26 IT IT00341190A patent/IT1238286B/it active IP Right Grant
-
1991
- 1991-03-21 EP EP91104421A patent/EP0449112A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0449112A1 (en) | 1991-10-02 |
IT9003411A0 (it) | 1990-03-26 |
IT9003411A1 (it) | 1991-09-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69100755D1 (de) | Kapazitiver Flüssigkeitssensor. | |
ES516788A0 (es) | "perfeccionamientos en dispositivos de deteccion del nivel de un liquido". | |
FR2695204B1 (fr) | Capteur de niveau de liquide a ultrasons. | |
FI920606A (fi) | Nivaosensor av vibratortyp. | |
DE69004022D1 (de) | Ultraschall-Flüssigkeitspegelsensor. | |
DE69206309D1 (de) | Flüssigkeitsniveaudetektor. | |
IT1099891B (it) | Dispositivo per la pulitura a vapore di serbatoi | |
IT206269Z2 (it) | Dispositivo sensore del livello di un liquido all interno di un serbatoio | |
FR2688588B1 (fr) | Capteur de niveau de liquide a ultrasons. | |
DE59201995D1 (de) | Hochdruckreinigungsgerät. | |
IT1238286B (it) | Dispositivo sensore di livello del liquido per caldaie a vapore. | |
IT8419353A0 (it) | Dispositivo sensore di immagini. | |
IT9004777U1 (it) | Dispositivo sensore di livello del liquido per caldaie a vapore. | |
IT8322457A0 (it) | Sensore di pressione. | |
IT8446806A1 (it) | Dispositivo dosatore per fluidi. | |
IT220510Z2 (it) | Dispositivo di rilevamento del livello minimo di un liquido in un serbatoio. | |
ITBO940442A0 (it) | Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore. | |
IT8220593A0 (it) | Sensore di pressione del tipo a soffietto. | |
IT8020414A0 (it) | Sensore di fuga per un dispositivo elettronico di sorveglianza di fughe di liquido. | |
IT1292274B1 (it) | Dispositivo sensore del livello di un liquido. | |
IT219569Z2 (it) | Dispositivo sensore pneumatico del livello di un liquido, particolar- mente per macchine lavatrici. | |
ITTO920897A0 (it) | Dispositivo indicatore del livello in un serbatoio di salamoia. | |
IT8422881A0 (it) | Dispositivo sensore fotoelettrico. | |
IT219179Z2 (it) | Dispositivo di rilevamento del livello di un liquido. | |
NO155425C (no) | Trykkfoeleranordning for stoevsugere. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970319 |