Patent application number | Description | Published |
20100272567 | HEAT-DISSIPATING FAN HOUSING - A heat-dissipating fan housing includes a casing having a compartment with an impeller section, a stationary blade section, and an airflow concentration section arranged from an air inlet toward an air outlet spaced from the air inlet in an axial direction. A mounting portion is received in the compartment, and an impeller is rotatably coupled to the mounting portion for driving airflows. Stationary blades are interconnected between the casing and the mounting portion and are received in the stationary blade section. Each stationary blade includes a first edge facing the air inlet and a second edge facing the air outlet. The airflow concentration section is between the second edge of each stationary blade and the air outlet in the axial direction. The airflow concentration section concentrates the airflows after passing through the stationary blades. The noise is reduced, the wind pressure is increased, and less electricity is consumed. | 10-28-2010 |
20100295436 | LAMP - A lamp includes a housing, a heat sink, a light emitter, a fan and a blocking ring. The housing has an air inlet portion and an air outlet portion formed in a wall of the housing. The heat sink includes a base plate and a plurality of fins surrounding the base plate to define a compartment. Each of the fins have a first end facing the air inlet portion of the housing and a second end connecting with the base plate. The light emitter is fixed to the base plate of the heat sink. The fan is fixed inside the compartment of the heat sink. The blocking ring is mounted between the air inlet portion and the heat sink. Accordingly, the blocking ring blocks part of the heated airflow from flowing back to the air inlet portion and turbulence is avoided effectively. Therefore, the airflow inside the housing can flow smoothly through the air outlet to transfer heat to the environment and heat dissipating efficiency is enhanced. | 11-25-2010 |
20110079374 | Heat Dissipating System - A heat dissipating system includes a housing having a compartment divided into first and second air channels by a partitioning board. The partitioning board includes an opening through which the first air channel is in communication with the second air channel. A driving unit is mounted in the first air channel. The driving unit includes a rotating shaft extending through the opening into the second air channel. A first impeller is mounted in the first air channel, coupled to the rotating shaft, and aligned with the opening. A second impeller is mounted in the second air channel, coupled to the rotating shaft, and aligned with the opening. The first and second impellers mounted in the first and second air channels are driven by the driving unit to simultaneously dissipate heat generated by electronic elements in the first and second air channels while having a simplified structure. | 04-07-2011 |
20110110774 | Blower Fan - A blower fan includes a housing having a lateral wall defining a compartment. The housing includes an air inlet and an air outlet both in communication with the compartment. An impeller mounted in the compartment includes a hub and blades mounted on the hub. A first plane including opposite first and second end edges in the air outlet is parallel to and spaced from a second plane including a center of the hub. The compartment of the housing includes an air outlet section and a pressure accumulating section on opposite sides of the second plane. The air outlet section is located between the first and second planes. The lateral wall of the housing includes at least one air guiding hole located in the pressure accumulating section. At least one air guiding tube includes an outlet end and an inlet end coupled to the at least one air guiding hole. | 05-12-2011 |
20110267829 | LAMP - A lamp comprises a housing, an inner shell, a fan, a heat sink and a lighting module. The housing has a first compartment and a first opening on an end thereof. The inner shell is adapted to be received in the first compartment and has a second compartment and a second opening on an end thereof, wherein the second opening is aligned with the first opening. An air channel is formed between the housing and the inner shell in the first compartment. The inner shell further comprises a through-hole allowing the first compartment to communicate with the second compartment. The fan is located adjacent to the through-hole and has two air-flowing sides for drawing air in and out of the lamp. The heat sink has a bottom plate with one face facing the fan. The lighting module is adapted to be coupled to another face of the bottom plate. | 11-03-2011 |
20120008330 | LAMP AND HEAT SINK THEREOF - A lamp comprises a housing, a heat sink, a fan and a light-emitting element. The housing includes an opening end and a compartment communicating with the opening end. The heat sink is disposed at the opening end and includes a lateral wall, a base, a plurality of first connection members, a plurality of first air channels and at least one second air channel. The base is surrounded by and spaced from the lateral wall. The base is connected to an inner circumferential wall of the lateral wall via the first connection members, wherein each of the first air channels is formed between adjacent two of the first connection members. The at least one second air channel is formed between an outer circumferential wall of the lateral wall and an inner face of the housing. The fan is disposed at one side of the heat sink in the compartment. The light-emitting element is disposed at another side of the heat sink. | 01-12-2012 |
20120081911 | LAMP - A lamp includes a housing, a heat sink, a light emitter, a fan and a blocking ring. The housing includes first and second shells, with the first shell forming a light-transparent portion and a first engaging portion. An air outlet portion is formed in a wall of the first shell, with the second shell forming a second engaging portion and a base. An air inlet portion is formed in a wall of the second shell. The heat sink includes a base plate and a plurality of fins defining a compartment. Each of the fins has first and second ends. The light emitter is electrically connected to the base. The blocking ring is mounted inside the housing. The blocking ring has two sides forming first and second flanges. The blocking ring further includes a side forming a protrusion ring and partially covering an outer periphery of the heat sink. | 04-05-2012 |
20120146481 | LAMP - A fan comprises a housing, a fan, a heat sink, and a light emitting element. The housing has a compartment and forms an opening. The fan is mounted inside the compartment of the housing and has a frame and an impeller mounted inside the frame. A first air-guiding channel is formed between a peripheral surface of the frame and an inner peripheral surface of the housing. The heat sink is coupled to the fan and has a first surface and a second surface, with the first surface facing the impeller. Also, a second air-guiding channel is formed between an outer periphery of the heat sink and an inner surface of the frame. The light-emitting element is disposed on the second surface of the heat sink. In such arrangement, used components and structural complexity of the lamp can be significantly reduced so as to be convenient in assemblage. | 06-14-2012 |
20120213650 | Cooling Fan with Dual Rotation Directions - A cooling fan with dual rotation directions includes a fan frame unit, a driving control unit and an impeller. The fan frame unit has an air channel having first and second air-guiding openings on two sides of the air channel. A base is disposed between the first and second air-guiding openings. A first stationary blade unit is disposed at the first air-guiding opening and a second stationary blade unit is disposed at the second air-guiding opening. The driving control unit has a stator, a driving circuit and a rotation direction control circuit, wherein the stator is disposed on the base of the fan frame unit and the driving circuit is electrically connected to the stator and the rotation direction control circuit. The impeller is rotatably coupled with the stator of the driving control unit. | 08-23-2012 |
20120235552 | LAMP - A lamp includes a housing, a heat sink, a cooling fan and a light-emitting module. The housing has an assembling opening and an electrical connection member on two ends thereof, wherein the housing further comprises an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. The heat sink has a base plate disposed at the assembling opening of the housing, wherein the base plate has at least one partitioning board defining an air channel of the heat sink. A first air-guiding opening is formed between the air-guiding wall and the at least one partitioning board, and a second air-guiding opening is formed between the air channel and the air-guiding wall. The cooling fan is coupled with the heat sink and has an impeller. The light-emitting module is coupled with the base plate of the heat sink. | 09-20-2012 |
20120236576 | LAMP - A lamp includes a housing, a heat sink, a cooling fan and a light-emitting module. The housing has an assembling opening and an electrical connection member on two ends thereof, wherein the housing further comprises an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. The heat sink has a base plate disposed at the assembling opening of the housing, wherein the base plate has at least one partitioning board defining an air channel of the heat sink. A first air-guiding opening is formed between the air-guiding wall and the at least one partitioning board, and a second air-guiding opening is formed between the air channel and the air-guiding wall. The cooling fan is coupled with the heat sink and has an impeller. The light-emitting module is coupled with the base plate of the heat sink. | 09-20-2012 |
20130242575 | LAMP WITH AIR CHANNEL - A lamp comprises a housing, an inner shell, a fan, a heat sink and a lighting module. The housing has a first compartment and a first opening on an end thereof. The inner shell is adapted to be received in the first compartment and has a second compartment and a second opening on an end thereof, wherein the second opening is aligned with the first opening. An air channel is formed between the housing and the inner shell in the first compartment. The inner shell further comprises a through-hole allowing the first compartment to communicate with the second compartment. The fan is located adjacent to the through-hole and has two air-flowing sides for drawing air in and out of the lamp. The heat sink has a bottom plate with one face facing the fan. The lighting module is adapted to be coupled to another face of the bottom plate. | 09-19-2013 |
20130343874 | Advection Fan and A Fan Frame Thereof - An advection fan includes a fan frame, an impeller and a cover plate. The fan frame has a bottom plate and a lateral wall. A shaft seat is arranged on the bottom plate. The lateral wall surrounds the shaft seat and has an inner peripheral face. The lateral wall includes first and second air-guiding portions. An air inlet and an air outlet are formed between the first and second air-guiding portions. The first air-guiding portion includes a first guiding face intersecting the inner peripheral face by a first included angle, which is smaller than 180 degrees. The second air-guiding portion includes a second guiding face. A distance between the first and second guiding faces is gradually reduced from the air inlet towards the center of the fan frame. The impeller is rotatably coupled with the shaft seat. The cover plate is coupled with the lateral wall. | 12-26-2013 |
20140294620 | Cooling Fan Having a Radial-Air-Gap Motor and a Method for Determining the Dimensional Proportion of the Motor - A cooling fan having a radial-air-gap motor is disclosed. The cooling fan includes a fan frame, an impeller and a stator assembly. The fan frame has a shaft-coupling portion. The impeller has a hub, a shaft and a plurality of blades. The blades are arranged on an outer periphery of the hub. At least one magnetic element is arranged on an inner periphery of the hub. There is a height between a bottom face of the shaft-coupling portion and a top face of the hub. There is a maximum thickness between the bottommost and uppermost faces of the magnetic plate unit. A ratio of the maximum thickness to the height is between 0.1 and 0.6. A method for determining the dimensional proportion of the motor is also disclosed. The method selects a ratio of a maximum thickness to a height as 0.1 to 0.6. | 10-02-2014 |
20150017905 | PROTECTIVE COVER FOR A HAND-HELD ELECTRONIC DEVICE - A protective cover for a hand-held electronic device includes a base having an inner face and an outer face opposite to the inner face. The base further includes at least one air guiding hole extending from the inner face through the outer face. A positioning member is provided along a periphery of the base. The positioning member and the base together define a receiving space. A cooling module is mounted in the receiving space. The cooling module includes a cooling fan and a flow guiding portion. The cooling fan and the flow guiding portion are fixed to the inner face of the base. The cooling fan includes an air outlet adjoining the flow guiding portion. The flow guiding portion includes a flow guiding face having at least one non-parallel face at a non-parallel angle to the inner face. | 01-15-2015 |
20150023779 | Low Vibration Fan - A low vibration fan including a housing, a driving member and a fan wheel is provided. The housing has an outer frame and a base, wherein the outer frame has two openings, a positioning rim, and a guiding channel linking the two openings, wherein the base couples with the positioning rim, and wherein a radial buffer gap is formed between an outer periphery of the base and an inner periphery of the positioning rim. The driving member is mounted on the base. The fan wheel couples with the driving member rotatably. Accordingly, the radial buffer gap can largely reduce the vibration transmitted from the base to the outer frame. | 01-22-2015 |
20150023786 | Serial Fan Device - a serial fan device including two fans linked serially is provided. Each of the two fans has a housing, a driving member and a fan wheel, the housing has an outer frame and a base, the outer frame has two openings and a guiding channel linking the two openings, the driving member is disposed on the base, and the fan wheel is rotatably coupled with the driving member. At least one of the two fans has a positioning rim on the outer frame for the base to couple therewith, and a radial buffer gap is formed between an outer periphery of the base and an inner periphery of the positioning rim. Accordingly, the radial buffer gap can largely reduce the vibration transmitted from the base to the outer frame. | 01-22-2015 |