Patent SG-11201807612T-A (SG)
Title: Return air intake grille de-icing method
Inventor: BENEDICT THOMAS J
IPC: B60H1/32
Filed: 2017-03-07
Abstract: NO316 PERMITS REFRIGERATION SYSTEM TO REMAIN DEACTIVATED FOR SELECTED TIME PERIOD RE-ACTIVATE REFRIGERATION SYSTEM 314 ------------------- DE-ACTIVATE HEATER (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/155965 Al 14 September 2017 (14.09.2017) WIPO I PCT (51) International Patent Classification: B60H 1/32 (2006.01) F25D 21/00 (2006.01) F25D 21/08 (2006.01) (21) International Application Number: PCT/US2017/021115 (22) International Filing Date: 7 March 2017 (07.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/304,531 7 March 2016 (07.03.2016) US (71) Applicant: CARRIER CORPORATION [US/US]; One Carrier Place, Farmington, Connecticut 06032 (US). (72) Inventor: BENEDICT, Thomas J.; 6304 Thompson Road, TR-20, Syracuse, New York 13221 (US). (74) Agent: STANGO, Nicholas; CANTOR COLBURN LLP, 20 Church Street, 22nd Floor, Hartford, Connecticut 06103-3207 (US). (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, Fl, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, 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). Decl arations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) 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)) = (54) Title: RETURN AIR INTAKE GRILLE DE-ICING METHOD 304 306 308 310 312 REFRIGERATION SYSTEM OPERATING DOES THE RETURN AIR INTAKE REQUIRE DE-ICING? 1 DE-ACTIVATE RERIGERATION ACTIVATE HEATER INCREASE HEATER TEMPERATURE TO A SELECTED TEMPERATURE SYSTEM FIG. 3 (57) : A method (300) of de-icing a return air intake of a transport refrigeration system is provided. The method comprises using a controller for controlling the refrigeration system; determining (306) when de-icing mode is required; deactivating (308) an evaporator and an evaporator fan of the refrigeration system when de-icing mode is required; activating (310) a heater when de-icing mode is required; adjusting (312) the temperature of the heater to a selected temperature; deactivating (314) the heater when the heater has reached the selected temperature; and permitting (316) the refrigeration system to remain deactivated for a selected time period. 111111111111110111011111111111010111110111011111111111111101111111111111111111110111111 W O 20 17 / 155 965 Al