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    • 2. 发明申请
    • Control Valve and Air Conditioner Equipped with the Valve
    • 配有阀门的控制阀和空调
    • US20110088427A1
    • 2011-04-21
    • US12997246
    • 2009-06-08
    • Yutaka IshiiMakoto KobayashiHironori Shinohara
    • Yutaka IshiiMakoto KobayashiHironori Shinohara
    • F25D3/10F16K1/00
    • F16K11/0655F16K31/1225F25B41/046F25B2313/02742
    • A four-way valve (12) includes a valve housing (14) having a valve chamber (30) inside; connection openings (62, 64, 66) opening in the inner surface of the valve chamber (30); a slide valve element (24) for controlling communication between the connection openings (62, 64, 66) according to a sliding position thereof; and a drive mechanism for driving the slide valve element (24),the drive mechanism having a sleeve (80) defining a cylinder bore (86) inside; a piston (78) slidably fitted in the cylinder bore (86); a valve rod (76) attached with the slide valve element (24); a pilot pressure chamber (88) supplied with pilot pressure for sliding the piston (78); and an O-ring (94) supporting the sleeve (80) inside the valve housing (14), the O-ring (94) securing a gap (98) between the outer circumferential surface of the sleeve (80) and the inner circumferential surface of the valve housing (14).
    • 四通阀(12)包括内部具有阀室(30)的阀壳体(14) 在所述阀室(30)的内​​表面中开口的连接开口(62,64,66); 滑阀元件(24),用于根据其滑动位置来控制连接开口(62,64,66)之间的连通; 以及用于驱动所述滑阀元件(24)的驱动机构,所述驱动机构具有在内部限定气缸孔(86)的套筒(80) 可滑动地装配在气缸孔(86)中的活塞(78); 安装有滑阀元件(24)的阀杆(76); 提供先导压力的先导压力室(88),用于滑动活塞(78); 以及在所述阀壳体(14)内部支撑所述套筒(80)的O形环(94),所述O形环(94)将所述套筒(80)的外周表面与所述套筒 阀壳体(14)的表面。