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    • 1. 发明授权
    • Projector apparatus
    • 投影仪
    • US07845803B2
    • 2010-12-07
    • US11850322
    • 2007-09-05
    • Qiang LvXianglin ZhangToshihiro SaruwatariYanshan HuangTadashi RenbutsuShoji OkazakiXiangfei KongWentian Tang
    • Qiang LvXianglin ZhangToshihiro SaruwatariYanshan HuangTadashi RenbutsuShoji OkazakiXiangfei KongWentian Tang
    • G03B21/16
    • G03B21/16G03B21/145G03B21/22H04N9/3105H04N9/3144
    • The invention enables efficient cooling of: a light source providing source light; an optical system adapted to split the source light received from the light source into three primary colors R, G, and B; and a power supply unit for supplying electric power to various electric components installed in a casing of a projector apparatus. To do so, a first fan is arranged between the light source and the power supply unit such that its air inspiration face is directed to the power supply unit and its air expiration face is directed to the light source. Further, a second fan, adapted to inspire air from within the projector apparatus, is provided in the central area of the projector apparatus. On the air expiration side of the second fan is a cooling duct for cooling the light source and optical system. In addition, a third fan for cooling a G-LCP unit and an R-LCP unit of the image synthesizing device and a fourth fan for cooling a B-LCP and an R-LCP unit of the image synthesizing device are provided in such a way that the streams of air expired from said third and fourth fans intersect each other. The invention allows operation of a projector apparatus with a fewer fans, yet achieves suppression of exhaust air temperature and noise, and cost reduction as well.
    • 本发明能够有效地冷却:提供源光的光源; 适于将从光源接收的源光分成三原色R,G和B的光学系统; 以及用于向安装在投影仪装置的壳体中的各种电气部件供电的电源单元。 为此,第一风扇布置在光源和电源单元之间,使得其空气吸入面被引导到电源单元,并且其空气呼出面指向光源。 此外,在投影仪装置的中央区域设置有适于在投影仪装置内启发空气的第二风扇。 在第二风扇的空气呼出侧是用于冷却光源和光学系统的冷却管道。 此外,用于冷却图像合成装置的G-LCP单元和R-LCP单元的第三风扇和用于冷却图像合成装置的B-LCP和R-LCP单元的第四风扇设置在 从所述第三和第四风扇流过的空气流彼此相交的方式。 本发明允许具有较少风扇的投影仪设备的操作,而且还实现排气温度和噪声的抑制以及降低成本。
    • 8. 发明授权
    • Blind-rivet gun
    • 盲铆枪
    • US08474119B2
    • 2013-07-02
    • US13186742
    • 2011-07-20
    • Qiang LvYi-Lun GanShang-Jun LiWen-Huan Liu
    • Qiang LvYi-Lun GanShang-Jun LiWen-Huan Liu
    • B21J15/22
    • B21J15/043B21J15/105B21J15/22B21J15/326Y10T29/53748
    • A blind-rivet gun includes a gun header, a cylinder, a piston, and an air saving device. The cylinder is separated from the gun header. The piston and an inner surface of the cylinder form a seal to divide the cylinder into a first air chamber and a second air chamber. The air saving device includes a switch circuit. The switch circuit turns on a first connection between the air inlet pipe and the first air outlet pipe or turns on a second connection between the air inlet pipe, the second air outlet pipe and the third air outlet pipe. The piston slides in the cylinder to generate inner high pressure by alternatively supplying high pressure air to the first air chamber or the second air chamber. The blind-rivet is pulled in and is pushed out of the blind-rivet ejecting pipe by the inner high pressure.
    • 盲铆枪包括枪头,气缸,活塞和节气装置。 气缸与枪头分离。 气缸的活塞和内表面形成密封件,以将气缸分成第一空气室和第二气室。 节气装置包括开关电路。 开关电路接通空气入口管和第一出气管之间的第一连接,或接通进气管,第二出气管和第三出气管之间的第二连接。 活塞通过向第一空气室或第二空气室交替地供应高压空气而在气缸中滑动以产生内部高压。 将盲铆钉拉入并通过内部高压被推出盲铆钉喷射管。