| Patent Number |
Title Of Patent |
Date Issued |
| 7579726 |
Fan, motor and stator structure thereof |
August 25, 2009 |
| A stator structure of a motor includes a first magnetic substrate, a second magnetic substrate and a plurality of coil units. An outer profile of the first magnetic substrate has a plurality of first protruding parts, and an outer profile of the second magnetic substrate has a plural |
| 7554229 |
Stator structure of motor |
June 30, 2009 |
| A stator structure of a motor. The stator structure has a base including a main body and a plurality of protrusions extending from the main body. A stator part has a plurality of magnetic-pole portions, wherein each protrusion is positioned in a gap between every two adjacent magneti |
| 7521830 |
Fan motor and oil-leak proof bearing system thereof |
April 21, 2009 |
| The invention relates to an oil-leak proof bearing system, and the system includes a bearing, an oil-leak proof cover and a rotor shaft. The center portion of the oil-leak proof cover defines a through hole, and the inner wall defining the through hole is provided with at least one first |
| 7479724 |
Stator structure |
January 20, 2009 |
| A stator structure includes at least one stator part having a single rolled steel sheet to serve as a waist post with a gap. A first stator part includes a first engaging portion. A second stator part includes a second engaging portion corresponding to the first engaging portion. The |
| 7443069 |
Stator structures |
October 28, 2008 |
| Stator structures are provided. A stator structure includes at least a magnetic conductive layer and at least a first auxiliary magnetic polar layer. The magnetic conductive layer comprises a plurality of first salient poles. The first auxiliary magnetic polar layer is disposed above |
| 7439647 |
Brushless DC motor and stator thereof |
October 21, 2008 |
| A brushless DC motor and a stator thereof. The stator comprises an upper magnetic pole piece and a lower magnetic pole piece. The upper magnetic pole piece comprises a plurality of upper protruding portions extending toward the lower magnetic pole piece, and the lower magnetic pole piece |
| 7439642 |
Brushless DC motor and magnetic compensation method thereof |
October 21, 2008 |
| A magnetic compensation method for a brushless DC motor. The method of magnetic compensation for the motor provides the magnetic element disposed adjacent to the magnetic sensor to compensate the magnetic sensor for an unnecessary magnetic interference, so that the magnetic sensor pr |
| 7417345 |
Fan assembly with magnetic thrust bearings |
August 26, 2008 |
| A motor. The motor includes a stator, a rotor, a top magnetic structure, and a bottom magnetic structure. The stator is disposed in a frame. The rotor is also disposed in the frame, corresponding to the stator. The rotor comprises a shaft, extended axially from the rotor. The shaft does |
| 7352577 |
Liquid-cooled heat dissipation module |
April 1, 2008 |
| A liquid-cooled heat dissipation module for circularly dissipating heat from a heat source. The liquid-cooled heat dissipation module includes a fan having a base; a pump disposed on the base; a heat sink coupled to the fan and having an opening to receive the pump; and a guide part |
| 7348744 |
Brushless DC motor drive apparatus |
March 25, 2008 |
| A brushless DC motor drive apparatus for driving a rotor includes a drive circuit rotating the rotor, a current shutdown and auto-restart circuit coupled to the drive circuit, and a DC voltage comparison circuit coupled to the current shutdown and auto-restart circuit. The current shutdo |
| 7315100 |
Motor and magnetic bearing assembly thereof |
January 1, 2008 |
| A motor comprising a stator, a rotor, and a plurality of blades. The stator comprises a stator base with an opening, a first magnetic structure disposed at a bottom of the opening, a magnetic pole disposed on the stator base, and a second magnetic structure disposed at a top of the m |
| 7292438 |
Liquid-cooling heat dissipation module |
November 6, 2007 |
| A liquid-cooling heat dissipation module. The liquid-cooling heat dissipation module circularly dissipates heat from a heat source. The liquid-cooling heat dissipation module includes a fan, a pump, a heat sink, and a guide member. The pump is attached to the fan and driven by the fa |
| 7291952 |
Low-abrasion rotating structure |
November 6, 2007 |
| A low-abrasion rotating structure includes a stator set, a rotor set, and a rotating shaft. A stator hole is defined at a center of the stator set. A rotor hole is defined at a center of the rotor set. The rotating shaft is disposed in both the stator hole and the rotor hole to connect t |
| 7196448 |
Stator structure |
March 27, 2007 |
| A stator structure. A first stator part includes a first engaging portion. A second stator part includes a second engaging portion corresponding to the first engaging portion. The first and second stator parts are of the same material. When the first stator part is assembled with the sec |
| 7064465 |
Motor |
June 20, 2006 |
| Motors for fans are provided. The motor includes a stator and a rotor. The stator includes a plurality of magnetic poles. The rotor is coupled to the stator and includes a magnetic structure with a plurality of magnetic poles. Each magnetic pole has an interpolar portion. A uniform gap i |
| 6276833 |
Locking device and its related assemblage |
August 21, 2001 |
| A locking device and its assemblage are provided for confining an object. The locking device is used to confine the object having an end having a recess having a defining surface to prevent the object from being displaced in a direction. The locking device is a geometrically closed-l |
| 5863134 |
Bearing without contacting fast spinning shaft |
January 26, 1999 |
| To achieve an efficacy of allowing a shaft to spin in high speed without contacting the bearing in which the shaft is seated, a bearing is configured to comprise an inner ring which includes: at least two slant arc surface zones each spaced out from the surface of the shaft with a gap |
| 5859487 |
Stator structure of motor and its forming method |
January 12, 1999 |
| The stator structure for improving the efficiency of motor is described which includes: a) a ring; b) N pieces of upper salients spacedly connected to the ring and located on a first plane; c) N pieces of lower salients spaced at intervals and located on a second plane; d) N pieces of |
