DK139384A - DETECTOR FOR DETECTING FLUID PARTICLES - Google Patents

DETECTOR FOR DETECTING FLUID PARTICLES Download PDF

Info

Publication number
DK139384A
DK139384A DK139384A DK139384A DK139384A DK 139384 A DK139384 A DK 139384A DK 139384 A DK139384 A DK 139384A DK 139384 A DK139384 A DK 139384A DK 139384 A DK139384 A DK 139384A
Authority
DK
Denmark
Prior art keywords
detector
fluid particles
detecting fluid
detecting
particles
Prior art date
Application number
DK139384A
Other languages
Danish (da)
Other versions
DK139384D0 (en
Inventor
Christopher Davies
Original Assignee
Chloride Group Plc
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 Chloride Group Plc filed Critical Chloride Group Plc
Publication of DK139384D0 publication Critical patent/DK139384D0/en
Publication of DK139384A publication Critical patent/DK139384A/en

Links

Classifications

    • 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
DK139384A 1982-07-14 1984-02-29 DETECTOR FOR DETECTING FLUID PARTICLES DK139384A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08220406A GB2123548B (en) 1982-07-14 1982-07-14 Suspended particle detector
PCT/GB1983/000171 WO1984000429A1 (en) 1982-07-14 1983-07-13 Suspended particle detector

Publications (2)

Publication Number Publication Date
DK139384D0 DK139384D0 (en) 1984-02-29
DK139384A true DK139384A (en) 1984-02-29

Family

ID=10531663

Family Applications (1)

Application Number Title Priority Date Filing Date
DK139384A DK139384A (en) 1982-07-14 1984-02-29 DETECTOR FOR DETECTING FLUID PARTICLES

Country Status (9)

Country Link
EP (1) EP0099729A1 (en)
JP (1) JPS59501283A (en)
DK (1) DK139384A (en)
ES (1) ES524120A0 (en)
FI (1) FI841014A0 (en)
GB (1) GB2123548B (en)
IL (1) IL69222A0 (en)
NO (1) NO840972L (en)
WO (1) WO1984000429A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8529585D0 (en) * 1985-11-30 1986-01-08 Casswell P H Active infra red detector
US4769504A (en) * 1987-03-04 1988-09-06 The United States Of America As Represented By The United States Department Of Energy Process for converting light alkanes to higher hydrocarbons
GB9014015D0 (en) * 1990-06-23 1990-08-15 Dennis Peter N J Improvements in or relating to smoke detectors
DE4141944C2 (en) * 1991-12-19 1995-06-08 Hansa Metallwerke Ag Device for the contactless control of a sanitary fitting
SE470168B (en) * 1992-04-27 1993-11-22 Whirlpool Int Smoke / steam detector for microwave oven
EP2093732A1 (en) 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Device and method for detecting smoke through joint evaluation of two optical backscattering signals
ATE507544T1 (en) * 2008-02-19 2011-05-15 Siemens Ag SMOKE DETECTION USING TWO SPECTRALLY DIFFERENT SCATTERED LIGHT MEASUREMENTS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723747A (en) * 1971-06-03 1973-03-27 Electro Signal Lab Photoelectric detector with compensating photocell
DE2856259B1 (en) * 1978-12-27 1979-12-20 Cerberus Ag Smoke detector
DE2907173A1 (en) * 1979-02-23 1980-09-04 Hekatron Gmbh CIRCUIT ARRANGEMENT FOR AN OPTICAL FLUE GAS DETECTOR

Also Published As

Publication number Publication date
JPS59501283A (en) 1984-07-19
NO840972L (en) 1984-03-13
DK139384D0 (en) 1984-02-29
ES8405983A1 (en) 1984-06-16
GB2123548B (en) 1985-09-04
FI841014A (en) 1984-03-13
FI841014A0 (en) 1984-03-13
IL69222A0 (en) 1983-11-30
WO1984000429A1 (en) 1984-02-02
ES524120A0 (en) 1984-06-16
GB2123548A (en) 1984-02-01
EP0099729A1 (en) 1984-02-01

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
PBP Patent lapsed