Patent application number | Description | Published |
20130142645 | OIL-RETAINING BEARING FAN DEVICE - An oil-retaining bearing fan device includes a fan base seat, at least one oil-retaining bearing and at least one magnetic member. The oil-retaining bearing is disposed in a bearing hole of the fan base seat. The oil-retaining bearing has at least one receiving hole for receiving the magnetic member therein. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan device to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan device in operation. Therefore, the lifetime of the fan device can be prolonged. | 06-06-2013 |
20130142646 | OIL-RETAINING BEARING FAN STRUCTURE - An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and at least one magnetic member. The oil-retaining bearing is disposed in a bearing hole of the fan base seat. The magnetic member is disposed between the oil-retaining bearing and a wall of the bearing hole. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged. | 06-06-2013 |
20130142654 | FAN DEVICE HAVING A SELF-LUBRICATING BEARING - The present invention provides a fan device having a self-lubricating bearing. The fan device includes a fan base and at least one self-lubricating bearing. The self-lubricating bearing is disposed in a bearing hole of the fan base and has a bearing surface assembly. The bearing surface assembly is provided with at least one magnetic element. By this arrangement, the magnetic element generates a magnetic attractive force to the spindle, thereby making the spindle to return to its optimal position rapidly. In this way, wear, noise and vibration are reduced. Further, the lifetime of the fan device is extended. | 06-06-2013 |
20130149140 | BEARING STRUCTURE AND COOLING FAN USING SAME - A bearing structure includes a main body internally defining a shaft space; the shaft space axially extends a full length of the main body and communicates with at least one extension space; and the extension space is radially outward extended from the shaft space and also axially extends a full length of the main body. The shaft space has a non-circular cross section. In a cooling fan using the bearing structure, a rotor shaft is inserted in the shaft space. With the shaft space having a non-circular cross section, it is possible to largely increase the support pressure of a lubricant filled between the rotor shaft and the shaft space and accordingly, reduce the frictional contact between the rotor shaft and the shaft space as well as the noise and vibration produced during the operation of the cooling fan. | 06-13-2013 |
20130149155 | ROTOR SHAFT AND COOLING FAN USING SAME - A rotor shaft includes a main body having a central portion and an extension portion. The extension portion has a plurality of extension sections radially outward extended from the central portion by different distances to together define a peripheral surface and a non-circular cross section of the main body. In a cooling fan using the rotor shaft, the main body of the rotor shaft is received in a shaft space internally defined by a bearing of the fan, and a lubricant is filled in a space left between the main body and the shaft space. With the non-circular cross section of the main body of the rotor shaft, the lubricant filled between the rotor shaft and the shaft space can have increased support pressure to thereby reduce the noise and vibration caused by frictional contact of the rotor shaft with the bearing during the operation of the cooling fan. | 06-13-2013 |
20130168060 | THERMAL MODULE - A thermal module includes a heat radiating unit, a heat transfer unit, and at least one cross-flow fan. The heat radiating unit has an air inlet and an air outlet that communicate with each other. The heat transfer unit has a heat absorbing section attached to a heat source and a heat dissipating section extended from the heat absorbing section to connect to the heat radiating unit. The cross-flow fan is arranged opposite to the heat radiating unit with an air-out side of the cross-flow fan located adjoining to the air inlet of the heat radiating unit. With the above arrangements, the thermal module occupies a largely reduced area while providing largely upgraded heat dissipation effect. | 07-04-2013 |
20130171016 | OIL-RETAINING BEARING FAN STRUCTURE - An oil-retaining bearing fan structure includes a fan base seat, an oil-retaining bearing and a fan impeller. The fan base seat has a bearing cup on one side. At least one magnetic member is enclosed in the bearing cup. The magnetic member serves to apply a magnetic attraction force to a shaft of the fan structure to make the shaft quickly restore to its optimal operation position so as to reduce wear and lower the noises and vibration of the fan structure in operation. Therefore, the lifetime of the fan structure can be prolonged. | 07-04-2013 |
20130189130 | FAN MOTOR STRUCTURE - A fan motor structure includes a fan frame, a rotor, at least one magnetic element, and a stator. The fan frame includes a frame body and a frame cover that are closed to each other to define a receiving space between them; and a shaft seat mounted on a bottom of the frame body to locate in the receiving space. The rotor includes a hub rotatably connected to the shaft seat, and a plurality of blades outward extended from an outer surface of the hub. The magnetic element is connected to each of the blades in a continuous manner or in a discontinuous manner. The stator is arranged in the receiving space between a bottom of the frame body and the blades. With the fan motor structure, a fan can have increased air intake, produce more air flows and be assembled with reduced time and labor. | 07-25-2013 |
20130216404 | BLADELESS FAN STRUCTURE - A bladeless fan structure includes a driving member, a pipe member, and at least one air-pressure increasing area. The driving member has a shaft connected and extended through the pipe member, and a first space is formed between an inner surface of the pipe member and an outer surface of the shaft. The air-pressure area is provided on the inner surface of the pipe member or the outer surface of the shaft. The pipe member is provided with at least one opening communicating with the first space and the air-pressure increasing area. When the driving member drives the shaft to rotate in and relative to the pipe member, air in the first space is brought to flow and is compressed in a direction along the air-pressure increasing area to blow out of the pipe member via the opening to achieve the function of a bladeless fan. | 08-22-2013 |
20130248144 | FAN MODULE - A fan module includes a heat transfer unit, a heat radiation unit, and at least one cross-flow fan. The heat radiation unit has an air-in side and an air-out side. The cross-flow fan is located against the heat radiation unit, and includes a frame and a centrifugal fan blade assembly. The frame has an air outlet, a plurality of air inlets, and a plurality of frame sections. The frame sections respectively have a receiving recess therein, and the receiving recesses are communicable with one another to together define a receiving space for receiving the centrifugal fan blade assembly therein. With the above arrangements, the cross-flow fan can create increased air flow volume, the space occupied by the fan module can be reduced, and upgraded heat dissipation performance can be achieved. | 09-26-2013 |
20140117800 | LASER-WELDED JOINT STRUCTURE BETWEEN INSULATION FRAME AND BEARING CUP OF FAN AND METHOD OF FORMING SAME - A laser-welded joint structure between insulation frame and bearing cup of fan includes a base having a bearing cup and a stator having at least one insulation frame. The insulation frame includes a sleeve portion defining a bore axially extending therethrough. The sleeve portion is provided on an inner wall surface with at least one pressing section that radially projects into the bore to press a lower side against an upper end of the bearing cup and a bearing received therein. A portion of at least one lateral side of each pressing section that is in contact with the upper end of the bearing cup is melted by laser beam to form a laser-welded joint, so that the insulation frame and the bearing cup are integrally connected together at reduced manufacturing cost and have increased structural strength. A method of forming the laser-welded joint structure is also disclosed. | 05-01-2014 |
20140127016 | BAND-TYPE FAN STRUCTURE - A band-type fan structure includes a transmission band body and multiple blades. The transmission band body has a lengthwise direction and a widthwise direction. The blades are side by side disposed on the transmission band body in parallel to each other and arranged in the lengthwise direction of the transmission band body. Each two adjacent blades define therebetween a flow way. The transmission band body is movable in the lengthwise direction, whereby the blades are driven by the transmission band body to transversely move to create an air volume. The band-type fan structure has a greatly minified volume. Also, the band-type fan structure overcomes the shortcoming of unstable operation of the conventional fan caused by deflection of the blades. | 05-08-2014 |
20140175954 | BASE STRUCTURE FOR COOLING FAN - A base structure for cooling fan includes a seat, a circuit board and a motor assembly. The seat has an inner side served as a supporting surface. The circuit board has a first side attached to a top of the supporting surface and an opposite second side having a plurality of electronic elements provided thereon. The motor assembly includes a plurality of stacked silicon steel plates located on the circuit board and above the electronic elements. With the first side of the circuit board being attached to the supporting surface of the seat and the electronic elements on the second side of the circuit board being located in spaces between the motor assembly and the circuit board, more silicon steel plates can be stacked in the motor assembly to enable upgraded motor working efficiency and reduced electric current needed by the cooling fan to operate. | 06-26-2014 |
20140193258 | SWING FAN STRUCTURE - A swing fan structure includes a main body and multiple blades. The main body has an upper face and a lower face. The main body also has a long side and a short side. The blades are side by side disposed on the upper face of the main body in parallel to each other. The blades define therebetween a flow way. The blades are drivable by the main body to reciprocally move along the long side to create an air volume. The swing fan structure has a greatly minified volume. Also, the swing fan structure overcomes the shortcoming of unstable operation of the conventional fan caused by deflection of the blades in rotation. | 07-10-2014 |
20140248164 | STATOR MODULE WITH PROTECTION STRUCTURE AND A FAN THEREOF - A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding. | 09-04-2014 |
20140248165 | PROTECTION STRUCTURE AND A FAN THEREOF - A fan includes a fan frame, a rotor, a stator module and a protection structure. The fan frame has a base seat and the stator module is disposed on the base seat. The stator module includes a silicon steel sheet assembly having multiple splits and multiple outer faces. The rotor is disposed in the fan frame corresponding to the outer faces of the silicon steel sheet assembly. The protection structure includes multiple posts corresponding to the splits of the silicon steel sheet assembly. The posts are welded with the splits by means of laser welding. | 09-04-2014 |
20140263210 | MANUFACTURING METHOD OF A STATOR MODULE OF A FAN - A manufacturing method in which laser welding is used to weld multiple posts of a protection structure with multiple splits of the silicon steel sheet assembly of a stator module. The manufacturing method has high welding precision and excellent sealing effect. Also, the welding time is shortened and the thermal deformation is reduced. | 09-18-2014 |
20140356054 | CONNECTION STRUCTURE APPLIED TO A FAN FOR CONNECTING A METAL MEMBER WITH A SHAFT BY MEANS OF LASER - A connection structure applied to a fan for connecting a metal member with a shaft by means of laser. The connection structure includes a metal member and a shaft. The metal member has an opening, a first side and a second side. The opening is formed through a center of the metal member. The shaft is inserted in the opening. An outer circumference of the shaft is welded with a circumference of the opening on the first side to form at least one first welding section between the contact sections of the outer circumference of the shaft and the circumference of the opening on the first side. The first welding section is connected between the outer circumference of the shaft and the circumference of the opening on the first side to integrally connect the metal member with the shaft. The connection structure applied to the fan can lower cost. | 12-04-2014 |
20140356170 | OIL RETURN STRUCTURE FOR FAN - An oil return structure for fan includes a base, a bearing, a retaining ring and a rotor. The base has a bearing cup internally defining a receiving space for receiving the bearing therein. The bearing has a centered and axially extended shaft hole. The retaining ring is located at a front end of the bearing and has a central hole. The rotor includes a hub and a shaft. The shaft is extended through the central hole of the retaining ring into the shaft hole of the bearing, and is provided with an annular groove corresponding to the retaining ring. Oil in the bearing flowing to the annular groove during fan operation is centrifugally pulled out of the shaft and then caught by the retaining ring, from where the oil returns to the bearing. Therefore, loss of oil from the bearing is largely reduced to ensure extended fan service life. | 12-04-2014 |
20150055295 | HEAT DISSIPATION DEVICE - A heat dissipation device is arranged in an outer case of an electronic device, and includes an oscillation assembly, an air disturbing member and at least one fixing seat. The oscillation assembly includes a base and an oscillating member provided on the base; and the air disturbing member is connected at a first end to the oscillating member and at an opposite second end to the fixing seat. When an electric power is supplied to the oscillation assembly, the oscillating member is oscillated to thereby vibrate the first end of the air disturbing member, producing a continuous wave of the air disturbing member. The waving air disturbing member in turn disturbs air in the outer case, forcing the air toward a heat source and causing air convection in the outer case to enable largely upgraded heat dissipation efficiency of the electronic device. | 02-26-2015 |
20150086351 | SERIES FAN STRUCTURE WITH MULTISTAGE FRAME BODY - A series fan structure with multistage frame body includes a first main body, a second main body, a first frame and a second frame. The first main body has a first fan frame having a first opening and a second opening. The second main body is correspondingly serially connected to the first main body. The second main body has a second fan frame having a third opening and a fourth opening. The third opening corresponds to the second opening. The first frame is correspondingly serially connected to one side of the first fan frame with the first opening. The first frame and the first fan frame together define a first flow passage. The second frame is correspondingly serially connected to one side of the second fan frame with the fourth opening. The second frame and the second fan frame together define a second flow passage. | 03-26-2015 |