Abstract: A heat dissipating fan includes a frame, a first rotor having a shaft and a hub, a base disposed in the frame, a second rotor disposed at one side of the first rotor and coupled to the first rotor, and a driving element supported by the base for driving the first and second rotors to rotate. The hubs of the first and second rotors include a plurality of heat dissipating holes formed on the surface thereof. Airflow passes through the plurality of heat dissipating holes to generate a forced convection effect on the driving element.

Abstract: A heat dissipating device includes an outer frame, a first rotor, a base, a second rotor and a driving device. The first rotor comprises a shaft, a first hub and a plurality of first rotor blades disposed around the first hub. The base is disposed in the outer frame. The second rotor comprises a plurality of second rotor blades, coupled to the shaft of the first rotor and disposed next to the first rotor. The driving device is supported by the base for driving the first rotor and the second rotor.

Abstract: A fan comprises an impeller and a motor. The impeller has a hub, a plurality of blades and a plurality of reinforced elements. The blades are disposed around the hub. At least one reinforced element is disposed on the active surfaces of two adjacent blades. The blades and the reinforced elements are integrally formed as a single piece. The motor connects to the impeller for driving it to rotate.

Abstract: An impeller includes a hub and a plurality of blades disposed around an outer wall of the hub. Each of the blades has a leading edge with a predetermined distance below the top of the hub and a trailing edge protruding from the bottom of the hub. A fan including the impeller is also provided.

Abstract: An anti-backflow device includes a case and a plurality of flappers. The case has at least one opening and a plurality of combining portion. The combining portions are disposed in two opposite sides of the opening. The combining portions and the case are integrally formed. The flappers are disposed in the opening in sequence. Each flapper has a first connecting portion and a second connecting portion, each of which pivots on one of the combining portions.

Abstract: A heat dissipating module includes a casing and at least one fan. The casing includes a first casing body having at lease one air-guiding portion and at least one porous area. The air-guiding portion and the porous area are integrally formed as a monolithic unit. The fans are disposed within the casing and each fan is disposed with respect to each air-guiding portion, respectively. Each of the air-guiding portions has a first end connected to the first casing body, and a second end disposed around the porous area. Each of the porous areas has a plurality of holes for allowing air to enter the fans inside the casing along the air-guiding portion.

Abstract: A hot swap fan, capable of being hot swapped in a system, includes a first housing, a second housing, an impeller and a terminal seat. The first housing is assembled with the second housing to form an accommodating space therebetween for accommodating the impeller therein. The terminal seat has at least one terminal electrically connected to the fan so as to enable the fan to be electrically connected to the system and drive the impeller to rotate when the fan is installed in the system. The terminal seat is disposed between the first housing and the second housing.

Abstract: A hot swap fan includes a fan and a puller structure. The puller structure covers a side surface of the fan. The puller structure includes a base, a holder, and a fixing structure. A first end of the base is pivoted to the fan. The holder and the fixing structure are on a second end of the base.

Abstract: A display circuit board is provided for a heat dissipation system. The heat dissipation system includes a fan tray, a control circuit board, a plurality of fans, and a display circuit board. The display circuit board includes a plurality of light emitting diodes (LEDs), a thermal sensor, and a connector. After the thermal sensor detects the temperature around the heat dissipation system and transmits a temperature signal to the control circuit board through a signal transmitting cable, the control circuit board adjusts the rotation speeds of the plurality of fans according to the temperature signal, and further transmits a plurality of display signals, which indicate the operation situation of the plurality of fans to the corresponding LEDs through the signal transmitting cable.

Abstract: A display circuit board is provided for a heat dissipation system. The heat dissipation system includes a fan tray, a control circuit board, a plurality of fans, and a display circuit board. The display circuit board includes a plurality of light emitting diodes (LEDs), a thermal sensor, and a connector. After the thermal sensor detects the temperature around the heat dissipation system and transmits a temperature signal to the control circuit board through a signal transmitting cable, the control circuit board adjusts the rotation speeds of the plurality of fans according to the temperature signal, and further transmits a plurality of display signals, which indicate the operation situation of the plurality of fans to the corresponding LEDs through the signal transmitting cable.

Abstract: A separated type air conditioner with evaporative condensing apparatus comprises an outdoor unit and at least one indoor unit which the outdoor unit includes an evaporative condensing apparatus, a water chiller type evaporating apparatus and a comparative low pressure compressor for circulating a cooling medium system between the condensing apparatus and the evaporating apparatus within the outdoor unit to avoid long distance medium transmitting for improving the energy saving and environment protecting, and characteristically that the evaporative condensing apparatus comprises an evaporative water intermittent supply system to supply water onto a layer of absorptive material covered on the condensing coils intermittently through an electromagnetic valve automatically controlled by a PC board to assume that the amount of water once supplied to the absorptive material will be approximately fully evaporated within a controlled intermittence to provide a highest effect for absorbing evaporative latent heat form

Abstract: A separated type air conditioner with evaporative condensing apparatus comprises an outdoor unit and at least one indoor unit which the outdoor unit includes an evaporative condensing apparatus, a water chiller type evaporating apparatus and a comparative low pressure compressor for circulating a cooling medium system between the condensing apparatus and the evaporating apparatus within the outdoor unit to avoid long distance medium transmitting for improving the energy saving and environment protecting, and characteristically that the evaporative condensing apparatus comprises an evaporative water intermittent supply system to supply water onto a layer of absorptive material covered on the condensing coils intermittly through an electromagnetic valve automatically controlled by a PC board to assume that the amount of water once supplied to the absorptive material will be approximately fully evaporated within a controlled intermittence to provide a highest effect for absorbing evaporative latent heat form the

Abstract: An evaporative condensing apparatus used in an air conditioner to reduce the power consumption of the condenser and improves its EER value. The evaporative condensing apparatus is based on the rule that the relative critical pressure needed to condense a cooling medium is directly proportional to the temperature during the exchange of a cooling medium between gas state and liquid state.

Abstract: An evaporative condensing apparatus used in an air conditioner to reduce the power consumption of the air conditioner and improves its EER value. The evaporative condensing apparatus is based on the rule that the condensing temperature is directly proportional to the condensing pressure during the exchange of a cooling agent between liquid state and gas state.

Abstract: An auxiliary condenser includes a plurality of heat conductive tubes connected in series between a compressor and a main condenser of an air conditioning system to absorb heat energy of compressed, hot, gas state coolant outputted from the compressor, absorptive covering means covered on the heat conductive tube to absorb condensed water from evaporator means of the air conditioning system for carrying heat away from the heat conductive tubes by means of evaporation.