Patent SG-11201805067P-A (SG)
Title: Gas leak detection and location determination
Inventor: CORNWALL MARK
IPC: G01M3/00
Filed: 2016-12-19
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization IIIMI41101110101011111 HO 11111011101 HU 1110 1101 OE In III International Bureau ... .... ..Yjd ..... ...,/ (10) International Publication Number (43) International Publication Date WO 2017/116802 Al 6 July 2017 (06.07.2017) WI P0 I P CT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, GO1D 21/00 (2006.01) GO1M 3/00 (2006.01) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (21) International Application Number: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, PCT/US2016/067544 KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (22) International Filing Date: MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 19 December 2016 (19.12.2016) NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, (25) Filing Language: English TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, (26) Publication Language: English ZA, ZM, ZW. (30) Priority Data: (84) Designated States (unless otherwise indicated, for every 14/984,088 30 December 2015 (30.12.2015) US kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (71) Applicant: ITRON, INC. [US/US]; 2111 N. Molter Road, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Liberty Lake, WA 99019 (US). TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (72) Inventor: CORNWALL, Mark, K.; 2111 N. Molter DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Road, Liberty Lake, WA 99019 (US). LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (74) Agent: DESANTIS, Luanne, M.; ITRON, INC., 2111 N. GW, KM, ML, MR, NE, SN, TD, TG). Molter Road, Liberty Lake, WA 99019 (US). Published: (81) Designated States (unless otherwise indicated, for every with international search report (Art. 21(3)) = kind of national protection available): AE, AG, AL, AM, = = (54) Title: = = = - n` GAS LEAK DETECTION AND LOCATION DETERMINATION -----118 (57) : A method of gas detection includes receiving, by a .— 100 data collection device, reports of detected concentrations of a particu- 410 0 116 lar gas from one or more gas sensing devices having one or more as- sociated gassensors, receiving an alarm from a gas sensing device in- ' — _ — . = — CENTR AL —, , dicating a detected concentration greater than a predetermined OFFICE ,' threshold, and receiving concentration updates from the alarming 102 / device at a rate faster than that provided by its predetermined report- - k , PROCESSOR 120 MEMORY 122 ing schedule. The method may further include sending a command to one or more gas sensing devices nearby the alarming device to send = NETwoRK(s) concentration updates. The method may further include determining a = 104 = DISPLAY 126 , COMMUNICATIONS SYSTEM 124 location of a gas leak by triangulating the received updates from the alarming device and the nearby devices based on their locations = * ' and/or creating and displaying a gas concentration map based on the = received updates from the alarming device and the nearby devices and their locations. 106 / ' , - / PROCESSOR MEMORY = - 141 = 130 SENSORS) 138 3 SYSTEM - GAS 134 , '108 Il 110 SENSORS)' 140 GP S/ALTIMETER 142 el 0 GO GO ,tD 11 FIG. 1 11 111) --.... IN 11 © N O