SG11201903934RA - Nanobubble generator - Google Patents

Abstract

114 110 130 206 206 210 210 208 c= 234 226 208 226 104 234 ••••••1•11111611 6 / 1 11 , 111/JII2111611•111 , (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11 May 2018 (11.05.2018) WIPO I PCT onion °nolo omm onolu io Elio oimIE (10) International Publication Number WO 2018/081868 Al (51) International Patent Classification: B01F 3/04 (2006.01) (21) International Application Number: PCT/AU2017/051213 (22) International Filing Date: 03 November 2017 (03.11.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 2016904494 03 November 2016 (03.11.2016) AU (71) Applicant: NANO BUBBLE TECHNOLOGIES PTY LTD [AU/AU]; c/- Davies Collison Cave, Level 10, 301 Coronation Drive, Milton, Queensland 4064 (AU). (72) Inventors: GRIFFITHS, Andrew Peter; 7 Crystal Brook Court, Narre Warren South, Victoria 3805 (AU). FINN, Kevin Vincent; 1 Greenhaven Terrace, Berwick, Victoria 3806 (AU). (74) Agent: DAVIES COLLISON CAVE PTY LTD; Level 10, 301 Coronation Drive, Milton, Queensland 4064 (AU). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, 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, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 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, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, 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, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3)) (54) Title: NANOBUBBLE GENERATOR 100 ./d IO T A WI MN IWAIMWA I MMF '21 .Z/ • Z. Z Z 71, \"ZZ 202 225 „n_ 225 1-1 204 220 230 121 120 124 Fig. 1B 00 (57) : The present disclosure relates to an apparatus for generating nanobubbles of a gas in a liquid, the apparatus including: 00 (a) an outer tube; (b) a porous inner tube coaxially located within the outer tube that is at least partially occluded so as to define one or 00 O more liquid flow paths through the inner tube; (c) a pair of end assemblies attached to respective first and second ends of the outer tube, each end assembly having an opening in fluid communication with the one or more liquid flow paths so as to allow a flow of liquid in an axial direction through the apparatus; and, (d) a gas inlet for allowing a flow of gas into a chamber formed between the outer and 00 inner tube, the flow of gas permitted to permeate through the porous inner tube into the one or more liquid flow paths, wherein, as the O gas permeates through the porous inner tube, nanobubbles of gas are generated which become entrained in the liquid flow. C 201 ''''''' ... • 102 122 230 220 204