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1. (WO2012121889) COMPACT CENTRIFUGAL FAN WITH HYDRODYNAMIC THRUST BEARING
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2012/121889 International Application No.: PCT/US2012/026197
Publication Date: 13.09.2012 International Filing Date: 22.02.2012
IPC:
F04D 29/30 (2006.01) ,F04D 29/051 (2006.01) ,F04D 25/06 (2006.01) ,H02K 5/167 (2006.01) ,F16C 17/10 (2006.01) ,G06F 1/20 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
29
Details, component parts, or accessories
26
Rotors specially adapted for elastic fluids
28
for centrifugal or helico-centrifugal pumps
30
Vanes
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
29
Details, component parts, or accessories
05
Shafts or bearings, or assemblies therof, specially adapted for elastic fluid pumps
051
Axial thrust balancing
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
25
Pumping installations or systems specially adapted for elastic fluids
02
Units comprising pumps and their driving means
06
the pump being electrically driven
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
5
Casings; Enclosures; Supports
04
Casings or enclosures characterised by the shape, form, or construction thereof
16
Means for supporting bearings, e.g. insulating support, means for fitting the bearing in the bearing-shield
167
using sliding-contact or spherical cap bearings
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
17
Sliding-contact bearings for exclusively rotary movement
10
for both radial and axial load
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
1
Details not covered by groups G06F3/-G06F13/82
16
Constructional details or arrangements
20
Cooling means
Applicants: DYBENKO, Jesse, T.[CA/US]; US (UsOnly)
TAN, Cheng, P.[MY/US]; US (UsOnly)
DEGNER, Brett, W.[US/US]; US (UsOnly)
DUKE, Connor, Raymond[US/US]; US (UsOnly)
LIANG, Frank, F.[US/US]; US (UsOnly)
PHAN, Con, D.[US/US]; US (UsOnly)
WILSON, Thomas, W., Jr.[US/US]; US (UsOnly)
HENDREN, Keith, J.[US/US]; US (UsOnly)
APPLE INC.[US/US]; 1 Infinite Loop Cupertino, California 95014, US (AllExceptUS)
Inventors: DYBENKO, Jesse, T.; US
TAN, Cheng, P.; US
DEGNER, Brett, W.; US
DUKE, Connor, Raymond; US
LIANG, Frank, F.; US
PHAN, Con, D.; US
WILSON, Thomas, W., Jr.; US
HENDREN, Keith, J.; US
Agent: FERRAZANO, Michael, J.; Womble Carlyle Sandridge & Rice LLP 10050 North Wolfe Road, Suite 260 Cupertino, CA 95014-2519, US
Priority Data:
13/238,48821.09.2011US
61/449,51004.03.2011US
Title (EN) COMPACT CENTRIFUGAL FAN WITH HYDRODYNAMIC THRUST BEARING
(FR) VENTILATEUR CENTRIFUGE COMPACT COMPRENANT UN PALIER DE BUTÉE HYDRODYNAMIQUE
Abstract:
(EN) A fan assembly for a computing device is disclosed. The device can include an impeller having a number of blades and a motor for turning the blades. The motor can turn the blades via a magnetic interaction between the impeller and the motor. A thrust bearing can be used to control a position of the impeller relative to the motor. In particular, the impeller can be configured to rotate around an axis and the thrust bearing can be used to control movement of the impeller in a direction aligned with the axis. In one embodiment, the impeller can be configured to generate aerodynamic forces, such as lift, and the parameters associated with the thrust bearing can be selected to counteract the aerodynamic forces so that the impeller remains within a desired positional range relative to the motor.
(FR) L'invention concerne un ensemble ventilateur pour un dispositif de calcul. Le dispositif peut comprendre une turbine comprenant un certain nombre de pales et un moteur permettant de tourner les pales. Le moteur peut tourner les pales par le biais d'une interaction magnétique entre la turbine et le moteur. Un palier de butée peut être utilisé pour commander une position de la turbine par rapport au moteur. En particulier, la turbine peut être conçue pour effectuer une rotation autour d'un axe et le palier de butée peut être utilisé pour commander le mouvement de la turbine dans une direction alignée avec l'axe. Dans un mode de réalisation, la turbine peut être conçue pour générer des forces aérodynamiques, comme une portance, et les paramètres associés au palier de butée peuvent être sélectionnés pour contrebalancer les forces aérodynamiques de sorte que la turbine reste dans une plage de positions souhaitée par rapport au moteur.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, 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, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (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)
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)