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| Number | Title | Issue Date |
| 8102089 | Generator rotor bearing preload method and apparatus A generator has its length shortened by placing springs in a space in a casing that includes an output shaft, which is driven by an input shaft, and a yoke for separating the two shafts. The generator is assembled by placing a spring in a space in a casing having a ... | 01/24/2012 |
| 8093774 | Direct current motor A direct current motor includes: a stator (2) on which a plurality of coils (4) is provided; a rotor (8) including a plurality of permanent magnet magnetic poles (9) that is provided so as to face an inner periphery of the stator, and a p... | 01/10/2012 |
| 8058759 | Inner-rotor-type motor An inner-rotor-type motor includes a housing, a stator, a rotor and a bearing seat. The stator is received in an assembly space of the housing. The rotor is rotatably positioned in the housing via a bearing and extends through a through-hole of the stator. The beari... | 11/15/2011 |
| 8030815 | Brushless motor having improved mounting plate A brushless motor to be used for driving a vane pump, which is employed in a module for inspecting vapor leakage of fuel, is disclosed. The brushless motor includes a mounting plate having a through hole, and an annular space is formed between an inner wall of the t... | 10/04/2011 |
| 8018107 | Brushless motor having a substantially flat attachment plate and a circuit board, and disk drive apparatus provided with the same A brushless motor includes a substantially flat attachment plate and a circuit board. The attachment plate includes a plurality of motor attachment portions and a base portion arranged to interconnect the motor attachment portions. The circuit board is arranged on a... | 09/13/2011 |
| 7986067 | Brushless motor A brushless motor is smaller, flatter, and lighter but is easy to assemble and has reduced motor vibration. An attachment base is integrally molded by two-color extrusion molding using a first resin material that forms a base main portion and a second resin material... | 07/26/2011 |
| 7939981 | Electrical motor and method for connection of an electrical motor to a connector flange The invention relates to an electrical motor (10), comprising a shaft (24), a housing (12) with a housing flange (14) and a bearing plate (16) with a bearing plate flange (18), whereby one end of the shaft (24) projec... | 05/10/2011 |
| 7863791 | Device and method for assembling electric motor A motor mounting device includes a polymeric motor housing having a cylindrical housing section for receiving motor components including a rotor. The housing section incorporates a detent feature disposed along the interior surface, with the interior surface incline... | 01/04/2011 |
| 7859158 | Connection structure and method of connecting field coil and lead wires in vehicle alternator A connection structure and a connection method of connecting field coils and lead wires in a vehicle alternator. The connection structure includes a rotor assembly, a rear fan, and a rotor insulator. The rotor assembly includes a rotor shaft, a spool bobbin, and rot... | 12/28/2010 |
| 7812494 | Support in a stator The invention comprises an electrical machine with a stator (10) formed of plates, said stator (10) having an outer surface (11) and a first and second end (12) in the axial direction (2) and said stator being supported on the fram... | 10/12/2010 |
| 7786639 | Motor A motor includes a bearing having first and second end faces spaced along a longitudinal axis thereof. A longitudinal hole extends from the first end face through the second end face and includes a recessed portion having first and second peripheral edges respective... | 08/31/2010 |
| 7755240 | Fan motor with mounting structure A fan motor includes a frame (10) and a motor (30). The frame includes a supporting plate (13) and a central tube (16). A pair of arms (181) extends upwardly from the supporting plate and spaces from each other to form a gap (18... | 07/13/2010 |
| 7728476 | Inner rotor brushless motor An inner rotor brushless motor is miniaturized, flattened and made lighter without reducing motor performance. A rotor and a stator are enclosed inside a sealed case (i.e., a sealed space) assembled by covering an attachment base with a cup-shaped bracket. A motor s... | 06/01/2010 |
| 7723885 | Hybrid drive unit A hybrid drive unit for installation between an internal combustion engine and a vehicle transmission in a motor vehicle. The hybrid drive unit has an electric machine operable, alternatively, as a motor and a generator and having at least one stator and one rotor, ... | 05/25/2010 |
| 7709985 | Motor having improved mounting structure A motor having an improved mounting structure is composed of a rotor including a rotor yoke; a stator including a bearing, a bearing holder and a base plate fixed to one end portion of the bearing holder; a shaft fixed to the rotor yoke and a damping member interpos... | 05/04/2010 |
| 7687953 | Totally integrated engine cooling module for D.C. motors employing fan hub and shroud hub as motor covers An engine cooling module includes a shroud structure 12 having a shroud hub 46 constructed and arranged to receive a portion of a motor 16. A DC electric motor 16 has first and second ends and a rotatable shaft 40. The second end o... | 03/30/2010 |
| 7687952 | Brushless alternator with stationary shaft Disclosed herein is a rotor assembly for an electric machine including a stationary shaft, a first bearing, a second bearing, a first pole segment, a second pole segment, a first internal fan, and a second internal. The first bearing is positioned at a first end of ... | 03/30/2010 |
| 7687954 | Brushless electric machine with stator with cascaded end loops Disclosed herein is a brushless electric machine comprising, a housing, a stationary field coil, a shaft, a bearing, a pole segment, and a stator. The stator including a core having a plurality of core slots that extend between a first and a second end of the stator... | 03/30/2010 |
| 7667362 | Disc drive apparatus mounted with improved clamping mechanism A disc drive apparatus mounted with an improved clamping mechanism for driving a disc to rotate is composed of a rotor and a stator, which supports the rotor rotatable freely. The rotor includes a rotor yoke, a clamping section for clamping down a disc on the rotor ... | 02/23/2010 |
| 7622838 | Axial fan motor An axial fan motor comprising: a fan having a rotating shaft and composed of a hub and a plurality of vanes provided around the hub, the fan rotating to generate an air flow; a stator substrate set comprising a stator core, which drives the fan, an insulator, and a ... | 11/24/2009 |
| 7608959 | Brushless motor In an armature for a brushless motor, a gap is provided between an inner circumferential surface of a cylinder portion of a cover and an outer circumferential surface in a radial direction of the armature. A plurality of non-magnetic spacers having a predetermined d... | 10/27/2009 |
| 7608960 | Mounting structure for a stator of a motor- stator A mounting structure for a motor includes a central tube (16), a supporting plate (13) and a motor-stator (30). The central tube includes two positioning blocks (162). The supporting plate includes a mounting block (18). The motor-... | 10/27/2009 |
| 7550888 | Blower motor for vehicle air conditioning system A motor holder receives a motor main body and includes a plurality of ribs, which are provided to an inner peripheral surface of the motor holder and are engaged with an outer peripheral surface of a motor yoke to hold the motor main body. The ribs are arranged symm... | 06/23/2009 |
| 7538465 | Fan assembly and its housing A fan housing. The fan housing mounted on a frame of a system includes a main body, a first section, a second section and a fixing portion. Both the first and second sections are disposed on the main body. A gap is formed between the first and second sections. The f... | 05/26/2009 |
| 7498705 | Rotor A rotor. The rotor includes a case, a reinforcing part, a shaft and a connecting element. The reinforcing part is formed with the case and defines an opening. The shaft extends into the opening. The connecting element connects the case and the shaft, with the reinfo... | 03/03/2009 |
| 7485995 | Bearing support for use in a motor A bearing support for use in a motor includes a tube (50) having an exterior surface and an interior surface. A plurality of first protrusions (52) on the exterior surface of the tube (50) are provided for engaging a stator (2) of the mot... | 02/03/2009 |
| 7482723 | Mounting a motor on a carrier A motor arrangement is provided and includes a mounting clamp having flanks that support the shaft lugs of a motor. The mounting clamps includes arms that are in rotation-blocking contact with a motor housing of a motor and these arms are elastically configured so t... | 01/27/2009 |
| 7479721 | Motor A motor includes a rotor part having a rotor shaft and a rotor magnet, a stator part oppositely disposed to the rotor magnet via a gap space, a bearing rotatably supporting the rotor shaft, a spring member abutting with one end of the rotor shaft to urge the rotor s... | 01/20/2009 |
| 7471023 | Electric machine provided with an internal stator An electric machine is described herein. The machine includes an internal stator provided with a central opening. A generally cylindrical cooling assembly is mounted inside the central opening via a first key and keyway arrangement. The cylindrical cooling assembly ... | 12/30/2008 |
| 7459819 | Electric motor and brush retaining assembly The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the commutator, a fan assembly having an impeller coupled to the shaft, an end ... | 12/02/2008 |
| 7442005 | Fan frame and heat dissipation fan incorporating the fan frame A heat dissipation fan includes a fan frame, a stator mounted to the frame, and a rotor rotatably disposed around the stator. The fan frame includes a bracket, a central tube for positioning the stator, and a supporting member. The supporting member is made of a mat... | 10/28/2008 |
| 7443073 | Electric fan An electric fan includes a frame (10) having a central tube (12) extending therefrom, a bearing (30) received in the central tube, a stator (50) mounted around the central tube, and a rotor (70) being rotatably supported by the bea... | 10/28/2008 |
| 7420305 | Mounting frame for an electric motor and electric motor A mounting frame for an electric motor includes tabs projecting laterally from the mounting frame for mounting a stator of the electric motor to a mounting surface. Between the tabs, the mounting frame includes stop areas that define the position of the stator with ... | 09/02/2008 |
| 7394177 | Frameless torque motor with a transport securing device A frameless torque motor with a transport securing device wherein the torque motor includes a ferromagnetic primary element and a secondary element, having magnets oriented in a direction toward the primary element, wherein the primary element and the secondary elem... | 07/01/2008 |
| 7385326 | Motor plate A throttle body assembly including an end plate. The throttle body assembly includes a housing having an inner wall, and a motor located within the housing. The motor end plate is coupled to the motor and is in contact with the inner wall of the housing. The end pla... | 06/10/2008 |
| 7382068 | Spindle motor and stator structure thereof A spindle motor includes a stator structure and a rotor structure coupled to the stator structure. The stator structure has a stator base, a magnetic conductive structure surrounding the stator base, and a first buffer structure provided in the gap defined by the st... | 06/03/2008 |
| 7372181 | Rotor for brushless motor and brushless motor A rotor for a brushless motor which can securely prevent an idle running and a scattering of a magnet while restricting a manufacturing cost as low as possible. The rotor is provided with a sintered ring magnet in which not-ground recess portions are formed in an ax... | 05/13/2008 |
| 7368844 | Magnetoelectric generator A stator core includes: a laminated body in which a plurality of intermediate plates that have dowels are laminated so as to be integrated by dowel crimping between layers; and a pair of end plates that are disposed so as to be positioned on opposite sides of two en... | 05/06/2008 |
| 7365462 | Alternator directly connected to engine An alternator is composed of a frame, a rotor rotatably supported in the frame, a stator contained in the frame outside the rotor and other associated components. A front end of the alternator is directly mounted on a mounting surface of an engine having a fairly la... | 04/29/2008 |
| 7364420 | Rotary press for making tablets Rotary press for making tablets with a rotor, which rotor exhibits a die plate and guides for the upper and lower punches, a rotor shaft and an electric drive motor, which electric drive motor rotates the rotor shaft and exhibits a runner and a stator, wherein the r... | 04/29/2008 |
