IT1274055B - Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore. - Google Patents

Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore.

Info

Publication number
IT1274055B
IT1274055B ITBO940442A ITBO940442A IT1274055B IT 1274055 B IT1274055 B IT 1274055B IT BO940442 A ITBO940442 A IT BO940442A IT BO940442 A ITBO940442 A IT BO940442A IT 1274055 B IT1274055 B IT 1274055B
Authority
IT
Italy
Prior art keywords
liquid level
indication device
steam boilers
safety indication
safety
Prior art date
Application number
ITBO940442A
Other languages
English (en)
Inventor
Patricio Jose Baldoni
Original Assignee
Fogacci Pietro Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fogacci Pietro Srl filed Critical Fogacci Pietro Srl
Priority to ITBO940442A priority Critical patent/IT1274055B/it
Publication of ITBO940442A0 publication Critical patent/ITBO940442A0/it
Priority to EP95115635A priority patent/EP0706033A3/en
Publication of ITBO940442A1 publication Critical patent/ITBO940442A1/it
Application granted granted Critical
Publication of IT1274055B publication Critical patent/IT1274055B/it

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
    • 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
    • G01F23/0007—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 for discrete indicating and measuring
    • G01F23/0015—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 for discrete indicating and measuring with a whistle or other sonorous signal
    • 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
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cookers (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
ITBO940442A 1994-10-07 1994-10-07 Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore. IT1274055B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITBO940442A IT1274055B (it) 1994-10-07 1994-10-07 Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore.
EP95115635A EP0706033A3 (en) 1994-10-07 1995-10-04 Safety and liquid level-indicating device for steam heating tanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO940442A IT1274055B (it) 1994-10-07 1994-10-07 Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore.

Publications (3)

Publication Number Publication Date
ITBO940442A0 ITBO940442A0 (it) 1994-10-07
ITBO940442A1 ITBO940442A1 (it) 1996-04-07
IT1274055B true IT1274055B (it) 1997-07-14

Family

ID=11340046

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO940442A IT1274055B (it) 1994-10-07 1994-10-07 Dispositivo di indicazione del livello del liquido e di sicurezza per caldaie a vapore.

Country Status (2)

Country Link
EP (1) EP0706033A3 (it)
IT (1) IT1274055B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200272968Y1 (ko) * 2002-01-30 2002-04-20 김홍배 가정용 두유,순두부,두부 제조장치의 물없음 감지경보장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1583759A (en) * 1976-10-07 1981-02-04 Mettoy Co Ltd Two-tone audible signal circuit
US4287407A (en) * 1978-08-17 1981-09-01 Hobart Corporation Tank flushing delay arrangement for a steam generator
US4465088A (en) * 1980-09-03 1984-08-14 Vosper George W Construction of low water level sensing device for hot water boiler
WO1984002401A1 (en) * 1982-12-17 1984-06-21 Kevyn Barry Moore Water level monitor and/or alarm system for bilges
US4671110A (en) * 1984-12-06 1987-06-09 Kock Michiel D De Level sensing device
NL8602557A (nl) * 1986-10-10 1988-05-02 Verheijen Bv Inrichting voor het leveren van heet water met volumecorrectiemogelijkheid.
IT1238286B (it) * 1990-03-26 1993-07-12 Dispositivo sensore di livello del liquido per caldaie a vapore.
GB9306417D0 (en) * 1993-03-27 1993-05-19 Schlumberger Ind Ltd Fluid level sensing systems

Also Published As

Publication number Publication date
EP0706033A3 (en) 1998-05-27
ITBO940442A1 (it) 1996-04-07
ITBO940442A0 (it) 1994-10-07
EP0706033A2 (en) 1996-04-10

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Legal Events

Date Code Title Description
0001 Granted