Patent SG-11201906704P-A (SG)
Title: Nbc filter unit with ventilation bypass
Inventor: KOEGER SAMUEL
IPC: A62B23/04
Filed: 2018-01-15
Abstract: 16 77 16 -/ 22 24 ,P4 26 • ; a o 0 ,.> ,.: P ,\", : U ,..,« 3 2 ,« 1 30 Fig.3 13 14 J 85 26 22 34 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 August 2018 (02.08.2018) WI P0 I PC T 0111111010 0111 °nolo oil! ommomE mom° oimIE (10) International Publication Number WO 2018/138716 Al 1-1 1-1 N GC 1-1 00 O 1-1 N C (51) International Patent Classification: A62B 13/00 (2006.01) A62B 23/04 (2006.01) (21) International Application Number: PCT/IL2018/050054 (22) International Filing Date: 15 January 2018 (15.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 250296 25 January 2017 (25.01.2017) IL (71) Applicant: BETH-EL ZIKHRON YAAQOV IN- DUSTRIES LTD. [IL/IL]; POB 166, 3095101 ZIKHRON YAAQOV (IL). (72) Inventors: KOEGER, Samuel; POB 166, 3095101 ZIKHRON YAAQOV (IL). SCHNEIDER, Jonathan; POB 166, 3095101 ZIKHRON YAAQOV (IL). (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, = (54) Title: NBC FILTER UNIT WITH VENTILATION BYPASS (57) : An NBC filter unit (10) (Fig. 3) for use in a safe room NBC filtration system. The NBC filter unit (10) comprising: a casing (12), at least one inlet port (14), at least one outlet port (16), a particulate filter (18) and a gas adsorption filter (20). According to the invention, the NBC filter unit (10) further comprises an integral ventilation bypass (22) and air flow direction means (26) selectively operated to direct air flow internally from the at least one inlet port (14) to the at least one outlet port (16), either through the bypass (22), constituting a ventilation mode, or through the particulate filter (18) and the gas adsorption filter (20) constituting an NBC filtration mode. [Continued on next page] WO 2018/138716 Al MIDEDIMOMOIDEIREEMOMOMOMMOMMEOMEEM TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: - as to the identity of the inventor (Rule 4.17(i)) - as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(H)) - as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3))