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Class Information
Number: 310/90
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > With other elements > Bearing or air-gap adjustment or bearing lubrication
Description: Subject matter having means to adjust a bearing or an air cap or to lubricate a bearing.

Sub-classes under this class:

Class Number Class Name Patents
310/90.5 Magnetic bearing 1,203

Patents under this class:

Patent Number Title Of Patent Date Issued
8711515 Stopper, motor, and disk drive apparatus Apr. 29, 2014
8710707 Electric motor Apr. 29, 2014
8710706 Motor device and method of manufacturing the same Apr. 29, 2014
8704418 External rotor motor Apr. 22, 2014
8693137 Fluid dynamic bearing unit and rotating device Apr. 8, 2014
8692436 Brushless motor Apr. 8, 2014
8692430 Motor and motor assembling method Apr. 8, 2014
8686611 Motor Apr. 1, 2014
8681453 Disk driving apparatus having improved quality Mar. 25, 2014
8675304 Disk drive spindle motor with hole volume and component density relationship Mar. 18, 2014
8670209 Spindle motor including a fluid dynamic bearing and disk drive apparatus with same Mar. 11, 2014
8665556 Disk drive device provided with fluid dynamic bearing Mar. 4, 2014
8664818 Electric motor or generator with a low friction touch-down area Mar. 4, 2014
8662755 Roller bearing device having radial-plane arrangement structure of rotation sensor Mar. 4, 2014
8660417 Drive motor, image blur correction unit, and imaging apparatus Feb. 25, 2014
8659850 Brushless motor, disk drive apparatus, and method of manufacturing the brushless motor Feb. 25, 2014
8659215 Motor Feb. 25, 2014
8654478 Rotating member assembly with hub perpendicularity control and spindle motor including the same Feb. 18, 2014
8653707 Motor having an encoder to detect rotation of a rotating body Feb. 18, 2014
8651744 Roller bearing device having radial-plane arrangement structure of rotation sensor Feb. 18, 2014
8643978 Spindle motor and disk drive apparatus Feb. 4, 2014
8641860 Adhesive height setting Feb. 4, 2014
8641568 Electric machine for an electric axle of a motor vehicle Feb. 4, 2014
8638526 Rotating device Jan. 28, 2014
8638014 Brushless DC motor with bearings Jan. 28, 2014
8634160 Disk drive device provided with lubricant-filled fluid dynamic bearing Jan. 21, 2014
8629594 Lubrication structure of generator motor and generator motor Jan. 14, 2014
8629593 Spindle motor with sleeve holder including cylindrical part, seating part, and coupling part Jan. 14, 2014
8629584 Base assembly for motor and fan motor including the same Jan. 14, 2014
8624455 Electrical motor having rotor support shield Jan. 7, 2014
8618706 Fluid pumping capillary seal for a fluid dynamic bearing Dec. 31, 2013
8616775 Roller bearing device having radial-plane arrangement structure of rotation sensor Dec. 31, 2013
8610323 Bearingless machine Dec. 17, 2013
8605385 Spindle motor and hard disc drive including the same Dec. 10, 2013
8604650 Motor and fan motor using the same motor Dec. 10, 2013
8598756 Electric-motor auxiliary drive for vehicles, and method for producing and mounting a drive of this type Dec. 3, 2013
8593756 Spindle motor, and disk drive apparatus including the spindle motor Nov. 26, 2013
8593025 Driving device, in particular electric motor, for driving a unit Nov. 26, 2013
8587171 Bearing structure and spindle motor having the same Nov. 19, 2013
8587169 Motor endshield with capacitor retention structure Nov. 19, 2013
8587166 Spindle motor Nov. 19, 2013
8581462 Bearingless electric rotary drive Nov. 12, 2013
8581453 Electric fan Nov. 12, 2013
8575802 Locomotive starter motor Nov. 5, 2013
8569919 Generator motor Oct. 29, 2013
8569918 Bearing assembly Oct. 29, 2013
8567067 Method of manufacturing fluid dynamic bearing mechanism, motor, and storage disk drive Oct. 29, 2013
8558426 Arrangement to compensate a non-uniform air gap of an electric machine Oct. 15, 2013
8556601 Heat-dissipating fan assembly Oct. 15, 2013
8553355 Spindle motor and storage disk drive Oct. 8, 2013

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