Patent SG-11201811173V-A (SG)
Title: Cleanroom control system and method
Inventor: WALLACE ROBERT
IPC: F24F3/16
Filed: 2017-06-23
Abstract: N O O GC O N O (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 04 January 2018 (04.01.2018) W I PO I PCT ~~~~~~~~~~~~~ 011101010VIIIOH olo 11o1 Em Eno iflo oimIE (10) International Publication Number WO 2018/002589 Al (51) International Patent Classification: F24F 3/16 (2006.01) F24F 11/00 (2006.01) (21) International Application Number: PCT/GB2017/051837 (22) International Filing Date: 23 June 2017 (23.06.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 1611107.2 27 June 2016 (27.06.2016) GB (71) Applicant: ENERGY EFFICIENCY CONSULTANCY GROUP LIMITED [GB/GB]; Suite 9, The Green, Foun- tain Street, Macclesfield, Cheshire SK10 1JN (GB). (72) Inventors: WALLACE, Robert; c/o Energy Efficiency Consultancy Group Limited, Suite 9, The Green, Fountain Street, Macclesfield, Cheshire SK10 1JN (GB). CHEN, Shuji; c/o Energy Efficiency Consultancy Group Limited, Suite 9, The Green, Fountain Street, Macclesfield, Cheshire SK10 UN (GB). (74) Agent: PRICHARD, Leslie Stephen; Culverstons, 20 Dawlish Road, Wirral, Merseyside CH61 2XP (GB). (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, (54) Title: CLEANROOM CONTROL SYSTEM AND METHOD 100 .1 1 M. 6 (57) : The present invention relates to a control system for controlling air volume to maintain a desired concentration of airborne contamination in a cleanroom supplied by a HVAC system being operative to supply treated air to the cleanroom, comprising: sensing means for sensing a concentration of non-viable particles and/or viable particles in real time or near real time; and processing means for comparing the sensed concentration of non-viable particles and/or viable particles against the desired concentration of airborne contamination and outputting at least one control signal to the HVAC system based on the comparison. [Continued on next page] WO 2018/002589 Al MIDEDIM1111011111111111111111111111111111111111111111101111111110111110111111111111 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))