| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illumination apparatus having excellent cooling efficiency with long life, without making a cooling fan small, and without directly transmitting heat to a motor shaft of the cooling fan. <P>SOLUTION: The lighting system is provided with an LED 151, a heat sink 120 discharging heat of the LED 151, a fan apparatus 130 with blades 133 and a motor, and a case 110 equipped with an opening part at a heat sink 120 side. The fan apparatus 130 is arranged between the heat sink 120 and the case 110, a height of each blade 133 is lower than that of the fan apparatus 130 in a shaft direction of the fan apparatus 130, and each blade 133 is arranged further toward a heat sink 120 side than the motor. <P>COPYRIGHT: (C)2013,JPO&INPIT |
