摘要:
A fan comprises a housing (1, 3) having a compartment (11, 31) formed inside, and at least one lateral air inlet (12, 32) and at least one lateral air outlet (13, 33) both penetrating through the inner and outer surfaces of the housing (1, 3) and communicating with the compartment (11, 31); and a motor (2, 4) mounted inside the compartment (11, 31) of the housing (1, 3) and having a stator (21, 41) and an impeller (22, 42), with the impeller (22, 42) rotatably coupled to the stator (21, 41 ) and further containing a hub (221, 421) and a plurality of blades (222, 422) mounted to a top (223, 423) of the hub (221, 421), with each blade (222, 422) having a first end (222a, 422a) and a second end (222b, 422b) in the radial direction of the impeller (22, 42) opposite to each other, with the first end (222a, 422a) of each blade (222, 422) facing outward, and with the second ends (222b, 422b) of the blades (222, 422) defining an airflow-area (23, 43).
摘要:
A heat-dissipating fan (4) comprises a housing (10), a base (20c), a power line (30) and an impeller (40). The housing (10) includes a peripheral wall (11) defining a compartment (12), wherein a shaft seat (13) is provided in the compartment (12) and the peripheral wall (11) includes a wire-guiding slot (16) in communication with the compartment (12). The base (20c) is coupled to the housing (10) and includes a coil unit (21). The power line (30) includes a first end extending through the wire-guiding slot (16). The impeller (40) includes a hub (41), a shaft (411) mounted to the hub (41), and a permanent magnet (412) mounted to the hub (41), wherein the shaft (411) is coupled to the shaft seat (13) and the permanent magnet (412) faces the coil unit (21). The heat-dissipating fan (1, 2) is characterized in that the base (20c) further includes a layout board (24) and a drive circuit board (25) electrically connected to the layout board (24). The layout board (24) includes the coil unit (21). The drive circuit board (25) includes a connection port (22) electrically connected to the coil unit (21). The connection port (22) faces and is adjacent to the wire-guiding slot (16) of the housing (10). The power line (30) includes a second end connected to the connection port (22) located on a reference line (L) passing through the shaft seat (13) and the wire-guiding slot (16). The coil unit (21) is formed on a face of the base (20c) by layout.
摘要:
An alternating current (AC) light-emitting diode (LED) lamp includes a first AC power end (AC1), a second AC power end (AC2), a lighting module (1, 1') and a direct current (DC) power output circuit (2, 3, 4, 5). The lighting module (1, 1') has a first end (V1), a second end (V2) and at least one LED unit (11 and/or 12, 12'), wherein the first end (V1) is electrically coupled to the first AC power end (AC1). The at least one LED unit (11 and/or 12, 12') has one or more LEDs connected in series. The DC power output circuit (2, 3, 4, 5) has a first end (V3) and a second end (V4), wherein the second end (V4) of the DC power output circuit (2, 3, 4, 5) is electrically coupled to the second AC power end (AC2), while the first end (V3) of the DC power output circuit (2, 3, 4, 5) is electrically coupled to the second end (V2) of the lighting module (1, 1'). The DC power output circuit (2, 3, 4, 5) has a DC output side (20, 30, 40, 50).
摘要:
A coil unit (2) for a motor stator includes a plurality of layout layers (21). At least one coil (211) and a conductive portion (212) electrically connected to the at least one coil (211) are formed on a surface of each layout layer (21). The conductive portions (212) of two adjacent layout layers (21) are electrically connected to each other. An insulting layer (22) is provided between two adjacent layout layers (21). The coil unit (2) can be coupled to a face of a substrate (1) to form a motor stator with reduced axial height and reduced volume.
摘要:
A technical classification method for searching patents includes the steps of: entering a technical term to conduct a user-defined search, and to obtain a set of patents of search results; classifying the patents according to codes of a patent classification system, so as to build a plurality of patent classification groups of the patents; and generating the patent classification groups depending on the classified patents. Furthermore, the technical classification method further includes the step of comparing the percentage distributions of the patents with a predetermined threshold value.
摘要:
A ball bearing fixing structure includes a ball bearing having an outer periphery and an inner periphery, a first member having an inner periphery bonded by an adhesive to the outer periphery of the ball bearing, and a second member having an outer periphery bonded by the adhesive to the inner periphery of the ball bearing. At least one of the inner periphery of the first member and the outer periphery of the second member includes at least one fixing section for accumulating the adhesive.
摘要:
A stator structure for a brushless dc motor in accordance with the present invention mainly comprises a plate (10), an annular coil (20), and a drive member (30). The plate (10) includes a main pole plate (11), an axial hole (12), and a plurality of pole faces (13). The edge of the axial hole (12) is projected to form an axial tube (120). The pole faces (13) are spaced apart equidistant round the axial hole (12) and adjacent of the coil (20). The plate (10) further includes at least one assembling hole (14).
摘要:
A fan with a temperature detecting function includes a fan frame (1), an impeller (2) and a circuit board (3). The fan frame (1) includes an air-guiding room (11), an air inlet (12) and an air outlet (13). The air inlet (12) and the air outlet (13) intercommunicate with the air-guiding room (11). The impeller (2) is rotatably mounted in the air-guiding room (11). The circuit board (3) is mounted to the fan frame (1) and includes a temperature sensor (31) extending into the air-guiding room (11) and below an inner face (1a2) of the fan frame (1).
摘要:
A ceiling fan including a motor (1), an intermediate transition member (2) and a plurality of blades (3) is disclosed. The motor (1) includes a stator (11), a rotor (12), and a shaft (13) coupled with the stator (11). An outer face of the motor (1) includes a plurality of heat dissipating holes (14). The intermediate transition member (2) is coupled with the motor (1) and includes a body (22) and a plurality of first coupling portions (23) integrally formed with the body (22). The body (22) includes a central hole (21) at a center thereof. The shaft (13) extends through the central hole (21). The plurality of first coupling portions (23) extends radially away from the shaft (13). The plurality of blades (3) is coupled with the plurality of first coupling portions (23) of the intermediate transition member (2).
摘要:
A heat dissipating device includes a casing (1) having a compartment (11). At least one heat conducting board (2) is mounted in the compartment (11) and divides the compartment (11) into first and second chambers (111, 112). The first chamber (111) includes a plurality of openings. At least one fan unit (3) is mounted in the first chamber (111) and includes at least one air inlet (31) and at least one air outlet (32). The air inlet (31) is in communication with a first one of the plurality of openings (1111). The air outlet (32) is in communication with a second one of the plurality of openings (1112). By utilizing the heat conducting board (2) to absorb the heat generated by electronic elements (9) in the second chamber (112) and by creating airflow in the first chamber (111) with the fan unit (3), the temperature of the second chamber (112) and the electronic elements (9) is lowered while preventing moisture or dust from entering the first chamber (111).