AU501762B2 - Ionization smoke detector - Google Patents

Ionization smoke detector

Info

Publication number
AU501762B2
AU501762B2 AU84121/75A AU8412175A AU501762B2 AU 501762 B2 AU501762 B2 AU 501762B2 AU 84121/75 A AU84121/75 A AU 84121/75A AU 8412175 A AU8412175 A AU 8412175A AU 501762 B2 AU501762 B2 AU 501762B2
Authority
AU
Australia
Prior art keywords
smoke detector
ionization smoke
ionization
detector
smoke
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
Application number
AU84121/75A
Other languages
English (en)
Other versions
AU8412175A (en
Inventor
T. Vander Walt N. T Lewington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anglo American Corp of South Africa Ltd
Original Assignee
Anglo American Corp of South Africa Ltd
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 Anglo American Corp of South Africa Ltd filed Critical Anglo American Corp of South Africa Ltd
Publication of AU8412175A publication Critical patent/AU8412175A/en
Application granted granted Critical
Publication of AU501762B2 publication Critical patent/AU501762B2/en
Expired legal-status Critical Current

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
    • G01N27/62—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Business, Economics & Management (AREA)
  • Biochemistry (AREA)
  • Emergency Management (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Control Of Combustion (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Fire Alarms (AREA)
AU84121/75A 1974-08-26 1975-08-20 Ionization smoke detector Expired AU501762B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZAZA74/5453 1974-08-26
ZA00745453A ZA745453B (en) 1974-08-26 1974-08-26 Improvements in or relating to fire detectors

Publications (2)

Publication Number Publication Date
AU8412175A AU8412175A (en) 1977-02-24
AU501762B2 true AU501762B2 (en) 1979-06-28

Family

ID=25568066

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84121/75A Expired AU501762B2 (en) 1974-08-26 1975-08-20 Ionization smoke detector

Country Status (21)

Country Link
JP (1) JPS5635236B2 (nl)
AU (1) AU501762B2 (nl)
BE (1) BE832768A (nl)
BR (1) BR7505431A (nl)
CA (1) CA1042088A (nl)
CH (1) CH600455A5 (nl)
DE (1) DE2537598C3 (nl)
DK (1) DK136793B (nl)
FR (1) FR2283492A1 (nl)
GB (1) GB1492193A (nl)
IE (1) IE41452B1 (nl)
IN (1) IN143233B (nl)
IT (1) IT1042015B (nl)
LU (1) LU73252A1 (nl)
NL (1) NL167785C (nl)
NO (1) NO138307C (nl)
PH (1) PH11514A (nl)
SE (1) SE439209B (nl)
SU (1) SU703038A3 (nl)
YU (1) YU37410B (nl)
ZA (1) ZA745453B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711457C2 (de) * 1977-03-16 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Ionisationsbrandmelder
CH681932A5 (nl) * 1990-12-04 1993-06-15 Cerberus Ag
CH682423A5 (de) * 1991-03-13 1993-09-15 Asea Brown Boveri Verfahren und Vorrichtung zur Messung der Konzentration von in einem Gas befindlichen Partikeln.
DE102004020489B4 (de) * 2004-04-26 2007-06-28 Minimax Gmbh & Co. Kg Brandmelder für Einsatz in Außenatmosphäre
CN110185461A (zh) * 2019-06-28 2019-08-30 中交路桥建设有限公司 实时探测隧道地质条件的盾构机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408051A (en) * 1942-04-04 1946-09-24 American District Telegraph Co Fire and smoke detector and the like
DE2204930C3 (de) * 1971-02-08 1974-06-20 Veb Rft Messelektronik Otto Schoen, X 8016 Dresden Ionisationsfeuermelder
JPS485979U (nl) * 1971-06-04 1973-01-23

Also Published As

Publication number Publication date
NL167785B (nl) 1981-08-17
NL7509918A (nl) 1976-03-01
JPS5635236B2 (nl) 1981-08-15
SE7509478L (sv) 1976-02-27
PH11514A (en) 1978-02-01
FR2283492B1 (nl) 1979-05-04
DE2537598A1 (de) 1976-03-11
NO138307C (no) 1978-08-16
NL167785C (nl) 1982-01-18
YU216775A (en) 1983-04-27
AU8412175A (en) 1977-02-24
IT1042015B (it) 1980-01-30
JPS5149784A (nl) 1976-04-30
CA1042088A (en) 1978-11-07
LU73252A1 (nl) 1976-05-31
SE439209B (sv) 1985-06-03
DK136793B (da) 1977-11-21
NO752918L (nl) 1976-02-27
SU703038A3 (ru) 1979-12-05
IE41452B1 (en) 1980-01-02
ZA745453B (en) 1976-04-28
IN143233B (nl) 1977-10-22
BE832768A (fr) 1975-12-16
GB1492193A (en) 1977-11-16
DK384275A (nl) 1976-02-27
YU37410B (en) 1984-08-31
DE2537598C3 (de) 1984-12-20
IE41452L (en) 1976-02-26
FR2283492A1 (fr) 1976-03-26
BR7505431A (pt) 1976-08-03
CH600455A5 (nl) 1978-06-15
DK136793C (nl) 1978-04-24
NO138307B (no) 1978-05-02
DE2537598B2 (de) 1980-11-06

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