CA969679A - Rate-of-change combustion and contamination detection apparatus - Google Patents
Rate-of-change combustion and contamination detection apparatusInfo
- Publication number
- CA969679A CA969679A CA103,757A CA103757A CA969679A CA 969679 A CA969679 A CA 969679A CA 103757 A CA103757 A CA 103757A CA 969679 A CA969679 A CA 969679A
- Authority
- CA
- Canada
- Prior art keywords
- rate
- detection apparatus
- contamination detection
- change combustion
- combustion
- 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
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000011109 contamination Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
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
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
-
- 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
- G01N33/0067—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 by measuring the rate of variation of the concentration
-
- 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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
-
- 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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/08—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of radioactive substances, e.g. alphatrons
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Toxicology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US744470A | 1970-02-02 | 1970-02-02 | |
| US6364670A | 1970-08-13 | 1970-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA969679A true CA969679A (en) | 1975-06-17 |
Family
ID=26676994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA103,757A Expired CA969679A (en) | 1970-02-02 | 1971-01-27 | Rate-of-change combustion and contamination detection apparatus |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA969679A (en) |
| CH (1) | CH527475A (en) |
| DE (1) | DE2104790A1 (en) |
| FR (1) | FR2078050A5 (en) |
| GB (1) | GB1352396A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237789B2 (en) * | 1972-10-03 | 1977-09-24 | ||
| GB2138570B (en) * | 1983-04-19 | 1987-10-28 | Emi Ltd | Smoke detector |
| CN109781793A (en) * | 2019-03-13 | 2019-05-21 | 商洛学院 | A kind of toxic gas detector based on Internet of Things |
-
1971
- 1971-01-27 CA CA103,757A patent/CA969679A/en not_active Expired
- 1971-02-01 CH CH144571A patent/CH527475A/en not_active IP Right Cessation
- 1971-02-02 FR FR7103364A patent/FR2078050A5/fr not_active Expired
- 1971-02-02 DE DE19712104790 patent/DE2104790A1/en active Pending
- 1971-04-19 GB GB2083971A patent/GB1352396A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2078050A5 (en) | 1971-11-05 |
| GB1352396A (en) | 1974-05-08 |
| DE2104790A1 (en) | 1971-08-12 |
| CH527475A (en) | 1972-08-31 |
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