Patent SG-11201901869S-A (SG)
Title: Infrared temperature sensor for a high speed rotating machine
Inventor: HASLETT BRENT
IPC: H02K11/25
Filed: 2017-09-06
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 0111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2018/046913 Al 15 March 2018 (15.03.2018) WIP0 I PCT (51) International Patent Classification: (GB). GRANTHAM, Andrew; Edwards Limited, 15 Mar- G01J 5/00 (2006.01) GO1J 5/12 (2006.01) shall Road, Hampden Park, Eastbourne, Sussex BN22 9BA F04D 19/04 (2006.01) G01J 5/04 (2006.01) (GB). HAYLOCK, James; Edwards Limited, 15 Marshall G01J 5/06 (2006.01) G01N 21/94 (2006.01) Road, Hampden Park, Eastbourne, Sussex BN22 9BA (GB). G01J 5/02 (2006.01) H02K 11/25 (2016.01) (74) Agent: NORTON, Ian; Edwards Limited, Innovation Dri- (21) International Application Number: ye, Burgess Hill, Sussex RH15 9TW (GB). PCT/GB2017/052596 (81) Designated States (unless otherwise indicated, for every (22) International Filing Date: kind of national protection available): AE, AG, AL, AM, 06 September 2017 (06.09.2017) 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, (25) Filing Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (26) Publication Language: English HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (30) Priority Data: KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 1615124.3 06 September 2016 (06.09.2016) GB 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, (71) Applicant: EDWARDS LIMITED [GB/GB]; Innovation SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, Drive, Burgess Hill, Sussex RH15 9TW (GB). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (72) Inventors: HASLETT, Brent; Edwards Limited, 15 Mar- (84) Designated States (unless otherwise indicated, for every shall Road, Hampden Park, Eastbourne, Sussex BN22 9BA kind of regional protection available): ARIPO (BW, GH, = = (54) Title: INFRARED TEMPERATURE SENSOR FOR A HIGH SPEED ROTATING MACHINE 3 4 17 &V tit ....... X19 — = , 7 - 2 r ../ / A = 9 = - . too & • '. . . — 1 V / / A — 11 _ :‘ . ' N ' `',',„ ir / / /A = = ,,,,,,,,,,); r X13 = _ Wil 'Ai: 11111 110 = 4 4 / _ = 16 Ir 44 44 \ = <; / — \ / 26 / / .4 - \ / I-1 FIG. 3 105 IV AV 28 — 5 M 1-1 cN (57) : Infra-red sensors (2) are often used in turbo molecular mechanical parts and therefore indicate imminent, or potential, running failures. As deposits build up on either the infra-red sensor, or 71' © on the surface being monitored, the reading given by the sensor may not - --- GO can cause the pump controller to fail to stop the pump in time. The sensor by creating a determined temperature rise in the sensor whilst C::::) invention uses the motor stator (44) as the heater for causing the temperature increase. ei present keeping 1 5 115 pumps (1) to detect the temperature of the rotor (100) or other be a true representation of the actual surface temperature which invention provides a method and device for calibrating the the rotor at ambient temperature. In particular the present C [Continued on next page] WO 2018/046913 Al MIDEDIMOMOIDEIREEMOOVIEHHOMMOVOIS 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)) — before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))