AU510944B2 - Combustible gas detector - Google Patents
Combustible gas detectorInfo
- Publication number
- AU510944B2 AU510944B2 AU31248/77A AU3124877A AU510944B2 AU 510944 B2 AU510944 B2 AU 510944B2 AU 31248/77 A AU31248/77 A AU 31248/77A AU 3124877 A AU3124877 A AU 3124877A AU 510944 B2 AU510944 B2 AU 510944B2
- Authority
- AU
- Australia
- Prior art keywords
- combustible gas
- gas detector
- detector
- combustible
- gas
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/750,877 US4064498A (en) | 1975-10-28 | 1976-12-15 | Electrical circuitry for detecting a combustible mixture of gas in a mine atmosphere |
USUS750,877 | 1976-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3124877A AU3124877A (en) | 1979-06-14 |
AU510944B2 true AU510944B2 (en) | 1980-07-24 |
Family
ID=25019511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU31248/77A Expired AU510944B2 (en) | 1976-12-15 | 1977-12-05 | Combustible gas detector |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU510944B2 (en) |
DE (1) | DE2755337A1 (en) |
FR (1) | FR2374637A2 (en) |
GB (1) | GB1592506A (en) |
ZA (1) | ZA777399B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3126864C2 (en) * | 1981-07-08 | 1986-01-02 | Rheinische Braunkohlenwerke AG, 5000 Köln | Process for the early detection of smoldering fires in containers containing lignite dust |
DE3132297C2 (en) * | 1981-08-12 | 1985-05-15 | Auergesellschaft Gmbh, 1000 Berlin | Circuit arrangement for a device for measuring and displaying the concentration of flammable gases and vapors contained in air |
US4465318A (en) * | 1981-10-13 | 1984-08-14 | Coal Industry (Patents) Limited | Rotary cutting head for mining machines with means for inducing airflow and sensing thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1579535A (en) * | 1968-03-21 | 1969-08-29 | ||
BE762753A (en) * | 1971-02-10 | 1971-07-16 | Inst Tekhn Teplofiziki Akademi | Measurement of combustible gas and vapour concentration |
GB1419361A (en) * | 1974-03-26 | 1975-12-31 | Gen Monitors | Multi-channel combustible gas detector |
DE2457650A1 (en) * | 1974-12-06 | 1976-06-10 | Bosch Gmbh Robert | DEVICE FOR CHECKING GASES |
-
1977
- 1977-12-02 GB GB50355/77A patent/GB1592506A/en not_active Expired
- 1977-12-05 AU AU31248/77A patent/AU510944B2/en not_active Expired
- 1977-12-12 DE DE19772755337 patent/DE2755337A1/en not_active Withdrawn
- 1977-12-12 ZA ZA00777399A patent/ZA777399B/en unknown
- 1977-12-14 FR FR7737718A patent/FR2374637A2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1592506A (en) | 1981-07-08 |
FR2374637A2 (en) | 1978-07-13 |
DE2755337A1 (en) | 1978-06-22 |
FR2374637B2 (en) | 1984-09-14 |
ZA777399B (en) | 1978-10-25 |
AU3124877A (en) | 1979-06-14 |
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