ITFI930182A1 - Apparecchio elettronico per la rivelazione di gas infiammabili. - Google Patents

Apparecchio elettronico per la rivelazione di gas infiammabili.

Info

Publication number
ITFI930182A1
ITFI930182A1 IT000182A ITFI930182A ITFI930182A1 IT FI930182 A1 ITFI930182 A1 IT FI930182A1 IT 000182 A IT000182 A IT 000182A IT FI930182 A ITFI930182 A IT FI930182A IT FI930182 A1 ITFI930182 A1 IT FI930182A1
Authority
IT
Italy
Prior art keywords
detection
electronic device
flammable gases
flammable
gases
Prior art date
Application number
IT000182A
Other languages
English (en)
Inventor
Franco Maria Conte
Roberto Ferraro
Original Assignee
Controfugas 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 Controfugas Srl filed Critical Controfugas Srl
Priority to ITFI930182A priority Critical patent/IT1262560B/it
Publication of ITFI930182A0 publication Critical patent/ITFI930182A0/it
Priority to EP94830443A priority patent/EP0646788A1/fr
Publication of ITFI930182A1 publication Critical patent/ITFI930182A1/it
Application granted granted Critical
Publication of IT1262560B publication Critical patent/IT1262560B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
ITFI930182A 1993-09-21 1993-09-21 Apparecchio elettronico per la rivelazione di gas infiammabili. IT1262560B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITFI930182A IT1262560B (it) 1993-09-21 1993-09-21 Apparecchio elettronico per la rivelazione di gas infiammabili.
EP94830443A EP0646788A1 (fr) 1993-09-21 1994-09-21 Appareil électronique pour la détection de gaz inflammables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI930182A IT1262560B (it) 1993-09-21 1993-09-21 Apparecchio elettronico per la rivelazione di gas infiammabili.

Publications (3)

Publication Number Publication Date
ITFI930182A0 ITFI930182A0 (it) 1993-09-21
ITFI930182A1 true ITFI930182A1 (it) 1995-03-21
IT1262560B IT1262560B (it) 1996-07-04

Family

ID=11350610

Family Applications (1)

Application Number Title Priority Date Filing Date
ITFI930182A IT1262560B (it) 1993-09-21 1993-09-21 Apparecchio elettronico per la rivelazione di gas infiammabili.

Country Status (2)

Country Link
EP (1) EP0646788A1 (it)
IT (1) IT1262560B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5918260A (en) * 1997-06-11 1999-06-29 Cts Corporation Gas sensor with multi-level sensitivity circuitry

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA766200B (en) * 1975-10-28 1978-05-30 Consolidation Coal Co Electrical circuitry for detecting a combustible mixture of gas in a mine atmosphere
US4063447A (en) * 1977-03-14 1977-12-20 Honeywell, Inc. Bridge circuit with drift compensation
US4422073A (en) * 1981-10-27 1983-12-20 The Bendix Corporation Combustible gas detection system
JPS58162851A (ja) * 1982-03-24 1983-09-27 Hitachi Ltd ガス検出装置
GB8600858D0 (en) * 1986-01-15 1986-02-19 Gas Measurement Instr Ltd Detecting gaseous hydrocarbons
US5055269A (en) * 1989-03-06 1991-10-08 Bacharach, Inc Temperature limited catalytic gas detector apparatus
DE4014930A1 (de) * 1990-05-10 1991-11-14 Draegerwerk Ag Verfahren fuer den betrieb einer messanordnung zum nachweis des anteils von brennbaren gasen
DE4226591C1 (en) * 1992-08-11 1993-09-23 Siemens Ag, 80333 Muenchen, De Gas sensor with temp. regulation circuit including resistance bridge - has control circuit for maintaining temp. of sensors in resistance bridge circuit constant, with circuit output indicating heat caused by gas

Also Published As

Publication number Publication date
EP0646788A1 (fr) 1995-04-05
ITFI930182A0 (it) 1993-09-21
IT1262560B (it) 1996-07-04

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980925