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    • 4. 发明授权
    • Projection display apparatus including wind outlets for cooling optical part
    • 投影显示装置,包括用于冷却光学部件的风口
    • US08690346B2
    • 2014-04-08
    • US12736680
    • 2008-05-22
    • Yusuke Tani
    • Yusuke Tani
    • G03B21/16G03B21/26G03B21/00
    • G03B21/16
    • The object of the invention is to realize highly efficient cooling by enhancing the heat transfer rate between optical parts and cooling air, and by simultaneously lowering the temperature of atmosphere around the optical parts. For this purpose, a first wind outlet for blowing a cooling wind is provided so as to allow the cooling wind to pass through optical parts, and furthermore, a second wind outlet for blowing another cooling wind so as to interfere with the cooling wind from the first wind outlet at the optical parts is provided at a location different from that of the first wind outlet.
    • 本发明的目的是通过提高光学部件和冷却空气之间的传热速率,同时降低光学部件周围的气氛的温度来实现高效的冷却。 为此,设置用​​于吹送冷却风的第一风口,以便使冷却风能够通过光学部件,此外,设置用于吹送另一冷却风的第二风口,以便干扰来自冷却风的冷却风 光学部件的第一风口设置在与第一风口不同的位置处。