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1. (WO2009142986) ROTARY SEALS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/142986    International Application No.:    PCT/US2009/043921
Publication Date: 26.11.2009 International Filing Date: 14.05.2009
F16J 15/20 (2006.01), F16J 15/14 (2006.01)
Applicants: BAL SEAL ENGINEERING [US/US]; 19650 Pauling Foothill Ranch, California 92610-2610 (US) (For All Designated States Except US).
COOK, Hugh Q. [US/US]; (US) (For US Only)
Inventors: COOK, Hugh Q.; (US)
Agent: DAO, Tom H.; Klein, O'Neill & Singh, LLP 18200 Von Karman Avenue Suite 725 Irvine, CA 92612 (US)
Priority Data:
61/055,907 23.05.2008 US
12/465,185 13.05.2009 US
Abstract: front page image
(EN)Seal assemblies are herein discussed. The seal assemblies can have a stiff backing ring supporting a seal ring, which is positioned adjacent an inner seal ring. In preferred embodiments, the inner seal ring is made from a material that enables the inner seal ring to absorb media particles in situ to change its particle density. This allows the seal assembly to form wearable surfaces on the fly to decrease wear on the seal ring.
(FR)L’invention concerne des ensembles joints. Les ensembles joints peuvent comprendre une bague d’appui rigide supportant une bague d’étanchéité, positionnée de manière adjacente à une bague d’étanchéité interne. Dans des modes de réalisation préférés, la bague d’étanchéité interne est composée d’un matériau permettant à la bague d'étanchéité interne d'absorber des particules composant le milieu in situ afin de modifier la densité de particules. Cela permet à l’ensemble joint de former des surfaces d’usure à la volée afin de réduire l’usure sur la bague d'étanchéité.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)