GB2343947B - Filter cartridge for the detection of airborne pollutants - Google Patents

Filter cartridge for the detection of airborne pollutants

Info

Publication number
GB2343947B
GB2343947B GB0002210A GB0002210A GB2343947B GB 2343947 B GB2343947 B GB 2343947B GB 0002210 A GB0002210 A GB 0002210A GB 0002210 A GB0002210 A GB 0002210A GB 2343947 B GB2343947 B GB 2343947B
Authority
GB
United Kingdom
Prior art keywords
detection
filter cartridge
airborne pollutants
airborne
pollutants
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 - Lifetime
Application number
GB0002210A
Other versions
GB0002210D0 (en
GB2343947A (en
Inventor
Ronald Knox
Christopher T Ryan
Hugh Stevenson
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.)
Vision Products Pty Ltd
Original Assignee
Vision Products Pty 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
Priority claimed from AUPN9659A external-priority patent/AUPN965996A0/en
Application filed by Vision Products Pty Ltd filed Critical Vision Products Pty Ltd
Publication of GB0002210D0 publication Critical patent/GB0002210D0/en
Publication of GB2343947A publication Critical patent/GB2343947A/en
Application granted granted Critical
Publication of GB2343947B publication Critical patent/GB2343947B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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)
GB0002210A 1996-05-03 1997-05-02 Filter cartridge for the detection of airborne pollutants Expired - Lifetime GB2343947B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN9659A AUPN965996A0 (en) 1996-05-03 1996-05-03 The detection of airborne pollutants
GB9822925A GB2327495B (en) 1996-05-03 1997-05-02 The detection of airborne pollutants

Publications (3)

Publication Number Publication Date
GB0002210D0 GB0002210D0 (en) 2000-03-22
GB2343947A GB2343947A (en) 2000-05-24
GB2343947B true GB2343947B (en) 2000-08-02

Family

ID=25645166

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0002206A Withdrawn GB2343946A (en) 1996-05-03 1997-05-02 Reduced contamination smoke detector
GB0002210A Expired - Lifetime GB2343947B (en) 1996-05-03 1997-05-02 Filter cartridge for the detection of airborne pollutants

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0002206A Withdrawn GB2343946A (en) 1996-05-03 1997-05-02 Reduced contamination smoke detector

Country Status (1)

Country Link
GB (2) GB2343946A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034702B2 (en) * 2003-12-23 2006-04-25 Robert Bosch Gmbh Optical smoke detector and method of cleaning
GB2455318B (en) * 2007-12-05 2012-04-04 Red Dot Technologies Ltd Optical scatter smoke sensor
CN115054998B (en) * 2022-07-25 2023-06-27 广东新氧器净化科技有限公司 Filtering dust remover for small-sized circulating system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888644A (en) * 1973-12-03 1975-06-10 Black Sivalls & Bryson Inc Filter-separator apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079929A (en) * 1964-11-13 1967-08-16 Radiovisor Parent Ltd Improvements in and relating to smoke detection devices
GB1549193A (en) * 1975-04-29 1979-08-01 Hartridge Ltd Leslie Apparatus for measuring smoke density
FR2625582B1 (en) * 1988-01-04 1994-05-06 Cerberus Guinard FIRE DETECTION DEVICE
US5353629A (en) * 1991-07-05 1994-10-11 L. L. Churchill Limited Smoke meter
GB2261502A (en) * 1991-10-04 1993-05-19 Churchill V L Ltd Smoke detection device
DE9211940U1 (en) * 1992-09-04 1992-10-29 Avl Gesellschaft Fuer Verbrennungskraftmaschinen Und Messtechnik M.B.H. Prof. Dr. Dr.H.C. Hans List, Graz, At
GB2274332A (en) * 1993-01-15 1994-07-20 Secr Defence Smoke meter
US5424842A (en) * 1993-04-27 1995-06-13 Cummins Electronics Company, Inc. Self-cleaning system for monitoring the opacity of combustion engine exhaust using venturi effect

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888644A (en) * 1973-12-03 1975-06-10 Black Sivalls & Bryson Inc Filter-separator apparatus

Also Published As

Publication number Publication date
GB0002210D0 (en) 2000-03-22
GB2343946A (en) 2000-05-24
GB0002206D0 (en) 2000-03-22
GB2343947A (en) 2000-05-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20170501