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    • 71. 发明申请
    • Variable capacity rotary compressor
    • 可变容量旋转压缩机
    • US20050112010A1
    • 2005-05-26
    • US10936641
    • 2004-09-09
    • Sung ChoSeung LeeChung Sung
    • Sung ChoSeung LeeChung Sung
    • F04C29/12F04C18/356F04C23/00F04C28/04F04C29/00F01C1/30F03C2/00F04C29/02F04C29/04
    • F04C29/12F04C18/3564F04C23/001F04C23/008F04C28/04
    • A variable capacity rotary compressor includes a hermetic casing, a housing installed in the hermetic casing to define therein first and second compression chambers having different capacities, and a compressing unit placed in the first and second compression chambers and operated to execute a compression operation in either the first or second compression chamber according to a rotating direction of a rotating shaft which drives the compressing unit. The compressor further includes a suction path controller having a hollow body and a valve unit, and a pressure controller. The hollow body has an inlet connected to a refrigerant inlet pipe, and first and second outlets formed on the hollow body at opposite ends of the hollow body to be spaced apart from the inlet of the hollow body. The valve unit is installed in the hollow body to axially reciprocate in the hollow body to change a refrigerant suction path by a pressure difference between the first and second outlets of the hollow body. The pressure controller includes a high-pressure pipe to connect an outlet side of the compressor to the suction path controller, and first and second communicating paths provided on both sides of the valve unit to be spaced apart from each other.
    • 可变容量的旋转压缩机包括密封壳体,安装在密封壳体中的壳体,以在其中限定具有不同容量的第一和第二压缩室;以及压缩单元,其被放置在第一和第二压缩室中并且被操作以执行压缩操作 所述第一或第二压缩室根据驱动所述压缩单元的旋转轴的旋转方向。 压缩机还包括具有中空体和阀单元的吸入路径控制器和压力控制器。 中空体具有连接到制冷剂入口管的入口,并且在空心体的相对端处形成在中空本体上的与中空体的入口间隔开的第一和第二出口。 阀单元安装在中空体中,以在中空体中轴向往复运动,以通过中空体的第一和第二出口之间的压力差来改变制冷剂吸入路径。 压力控制器包括用于将压缩机的出口侧连接到吸入路径控制器的高压管和设置在阀单元的两侧以彼此间隔开的第一和第二连通路径。
    • 72. 发明申请
    • Variable capacity rotary compressor
    • 可变容量旋转压缩机
    • US20050063849A1
    • 2005-03-24
    • US10843335
    • 2004-05-12
    • Sung ChoSeung LeeChun Sung
    • Sung ChoSeung LeeChun Sung
    • F04C29/00F04C18/356F04C23/00F04C28/06F04C28/26F04C29/12F03C2/00
    • F04C28/26F04C18/3562F04C23/001F04C23/008F04C28/06
    • A variable capacity rotary compressor including a hermetic casing in which a housing having first and second compression chambers is installed. A compressing unit is placed in the first and second compression chambers, and is operated to execute a compression operation in either the first or second compression chamber according to a rotating direction of a rotating shaft which drives the compressing unit. The variable capacity rotary compressor also includes a first path, a second path, and a pressure control unit. The first path connects an outlet side of the rotary compressor to an inlet of the first compression chamber. The second path connects the outlet side of the rotary compressor to an inlet of the second compression chamber. The pressure controller functions to open either the first or second path, so that a pressure of the outlet side of the rotary compressor acts on the inlet of the first or second compression chamber where the idle operation is executed.
    • 一种可变容量的旋转压缩机,其包括密封壳体,其中安装有具有第一和第二压缩室的壳体。 压缩单元被放置在第一和第二压缩室中,并且被操作以根据驱动压缩单元的旋转轴的旋转方向在第一或第二压缩室中执行压缩操作。 可变容量旋转压缩机还包括第一路径,第二路径和压力控制单元。 第一路径将旋转压缩机的出口侧连接到第一压缩室的入口。 第二路径将旋转压缩机的出口侧连接到第二压缩室的入口。 压力控制器用于打开第一或第二路径,使得旋转式压缩机的出口侧的压力作用在执行空转操作的第一或第二压缩室的入口。
    • 75. 依法登记的发明
    • Projectile obturator
    • USH167H
    • 1986-12-02
    • US854212
    • 1986-04-18
    • James J. ForsterChester J. KobialkaSung Cho
    • James J. ForsterChester J. KobialkaSung Cho
    • F42B14/02
    • F42B14/02
    • An improved multipurpose projectile obturator of composite, frangible conuction where the obturator preferably forms part of a projectile that is launched from an upstanding tube. The tube interior is provided with an alternating series of helically arranged groove and land means. A projectile at its propellant end is provided with an annular shoulder that faces in a direction toward the propellant end. An obturator is generally made up of an elastomeric band of a suitable grade of rubber. The band in being placed about the projectile surface and against the shoulder is positively retained as the projectile is inserted in the tube and launched therefrom. The outer periphery of the band has an annular groove for receiving a ring-like element. This element is preferably of three-ply construction and is also preferably made up of two half sections that are suitably bonded to the groove about the band periphery. The outer ply of the element is provided with a plurality of bristle or wire-like elements for wipingly engaging the series of land means when the projectile is inserted in the tube. Also, each wire-like element of the plurality extends at an oblique angle and in a counterclockwise direction when viewed from the warhead end of the projectile. The projectile is provided with a series of helically extending and circumferentially spaced rib means for slidably engaging interior surface portions of the tube when the projectile is inserted in the tube. The series of wire-like elements in engaging the series of land means not only clean propellant residue buildup therefrom but also cooperate with the rib means in stabilizing the projectile in its inserted oriented position without binding engagement as it is lowered into the tube. When the projectile is initially launched from the tube, the trailing peripheral wedge-shaped and longitudinally slotted edge of the obturator assists in fully separating the obturator from the projectile so as to minimize projectile drag.