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    Aspirated particle detection with various flow modifications
    1.
    发明专利
    Aspirated particle detection with various flow modifications 未知

    公开(公告)号：AU2014336978A1

    公开(公告)日：2016-04-28

    申请号：AU2014336978

    申请日：2014-10-16

    Applicant: XTRALIS TECHNOLOGIES LTD ,  XTRALIS GLOBAL

    Inventor： AJAY KEMAL ,  KNOX RONALD ,  ALEXANDER BRIAN ,  COOPER KATE ,  SINGH RAJIV KUMAR ,  NORTH THOR ,  PATTINSON STEPHEN JAMES ,  MASSINGBARD-MUNDY PETER ,  WILLIAMSON ALASDAIR JAMES

    IPC: G01N1/26 ,  G01N35/08 ,  G08B17/10

    Abstract: A method of particle detection in an aspirated particle detection system, the system having a sampling pipe network and a particle detector. The sampling pipe network includes at least one sampling pipe in fluid communication with the particle detector, a plurality of sampling inlets through which sample air can enter the at least one sampling pipe, and an opening in the at least one sampling pipe upstream of the plurality of sampling inlets, wherein the opening has lower flow impedance than any one of the sampling inlets. The method includes drawing sample air to the particle detector through the air sampling network; analysing the sample air with the particle detector; entering an amplification phase, in the event that a concentration of particles in the sample air greater than a predetermined threshold is detected, to create a plurality of sample air packets in the sampling pipe, wherein each sample air packet corresponds to a sampling inlet and includes an amplified concentration of air drawn from the corresponding sampling inlet; transporting the sample air including the plurality of sample air packets through the sampling pipe to the particle detector; and determining through which sampling inlet any particles entered the particle detection system.

    ASPIRATED PARTICLE DETECTION WITH VARIOUS FLOW MODIFICATIONS
    2.
    发明专利
    ASPIRATED PARTICLE DETECTION WITH VARIOUS FLOW MODIFICATIONS 未知

    公开(公告)号：CA2926732A1

    公开(公告)日：2015-04-23

    申请号：CA2926732

    申请日：2014-10-16

    Applicant: XTRALIS TECHNOLOGIES LTD ,  XTRALIS GLOBAL

    Inventor： AJAY KEMAL ,  KNOX RONALD ,  ALEXANDER BRIAN ,  COOPER KATE ,  SINGH RAJIV KUMAR ,  NORTH THOR ,  PATTINSON STEPHEN JAMES ,  MASSINGBERD-MUNDY PETER ,  WILLIAMSON ALASDAIR JAMES

    IPC: G01N1/26 ,  G01N35/08 ,  G08B17/10

    Abstract: A method of particle detection in an aspirated particle detection system, the system having a sampling pipe network and a particle detector. The sampling pipe network includes at least one sampling pipe in fluid communication with the particle detector, a plurality of sampling inlets through which sample air can enter the at least one sampling pipe, and an opening in the at least one sampling pipe upstream of the plurality of sampling inlets, wherein the opening has lower flow impedance than any one of the sampling inlets. The method includes drawing sample air to the particle detector through the air sampling network; analysing the sample air with the particle detector; entering an amplification phase, in the event that a concentration of particles in the sample air greater than a predetermined threshold is detected, to create a plurality of sample air packets in the sampling pipe, wherein each sample air packet corresponds to a sampling inlet and includes an amplified concentration of air drawn from the corresponding sampling inlet; transporting the sample air including the plurality of sample air packets through the sampling pipe to the particle detector; and determining through which sampling inlet any particles entered the particle detection system.

    Addressability in particle detection
    4.
    发明专利
    Addressability in particle detection 未知

    公开(公告)号：AU2013200353A1

    公开(公告)日：2014-05-01

    申请号：AU2013200353

    申请日：2013-01-21

    Applicant: XTRALIS TECHNOLOGIES LTD

    Inventor： AJAY KEMAL ,  KNOX RON ,  ALEXANDER BRIAN ,  NORTH THOR ,  BOETTGER KARL ,  MUNDY PETER ,  SINGH RAJIV

    IPC: G01F1/66 ,  G01F1/00 ,  G01N1/26 ,  G01N35/08 ,  G08B17/00

    Abstract: A method of determining at least one point of entry of smoke into a smoke detection system, the system having a sampling pipe network including at least one sampling pipe and a plurality of sampling inlets through which an air sample can enter the at least one sampling pipe of the 5 smoke detection system for analysis by a particle detector, said method including: determining a volume of sample air that has passed through at least part of the smoke detection system since a predetermined event or a value corresponding to said volume; and determining through which sampling inlet of the plurality of sampling inlets the smoke entered the smoke detection system based, at least in part, on the determined volume or value. Systems for implementing such a 0 method and related methods are also described. Doc. 2005127028 16 i 22 +- 21

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