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公开(公告)号：US07189067B2
公开(公告)日：2007-03-13
申请号：US11034746
申请日：2005-01-14
申请人： Byung-Kil Yoo , Se-Hyeon Choi , Jung-Won Nam
发明人： Byung-Kil Yoo , Se-Hyeon Choi , Jung-Won Nam
摘要： A scroll compressor having a vacuum preventing structure includes: a casing forming a receiving space therein; a fixed scroll fixed to a main frame installed in the casing, and including a back pressure passage at an outer side surface thereof, a discharge pressure hole formed at one side of the back pressure passage such that the back pressure passage and a discharge pressure space of the casing can communicate with each other, a middle pressure hole formed at another side of the back pressure passage such that the back pressure passage and a compression space of the casing can communicate with each other, and a suction pressure hole formed at still another side of the back pressure passage such that the back pressure passage and a suction pressure space can communicate with each other; an orbiting scroll positioned between the fixed scroll and the main frame and forming a compression space by being coupled with the fixed scroll; a piston slidably installed in the back pressure passage, for opening or closing the discharge pressure hole; an elastic member installed in the back pressure passage, for supporting the piston; and a stopper for closing an inlet of the back pressure passage.
摘要翻译： 一种具有真空防止结构的涡旋式压缩机，包括：壳体，其中形成有容纳空间; 固定在安装在壳体中的主框架上的固定涡旋盘，在其外侧面包括背压通道，形成在背压通道的一侧的排出压力孔，使得背压通道和排出压力空间 所述壳体可以彼此连通，形成在所述背压通道的另一侧的中压孔，使得所述背压通道和所述壳体的压缩空间彼此连通，并且在另一侧形成吸入压力孔 背压通道的侧面，使得背压通道和吸入压力空间能够相互连通; 位于所述固定涡旋件和所述主框架之间的绕动涡旋件，通过与所述固定涡旋件联接而形成压缩空间; 可滑动地安装在背压通道中的活塞，用于打开或关闭排出压力孔; 安装在背压通道中的用于支撑活塞的弹性构件; 以及用于关闭背压通道的入口的止动件。
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公开(公告)号：US20060057009A1
公开(公告)日：2006-03-16
申请号：US11034746
申请日：2005-01-14
申请人： Byung-Kil Yoo , Se-Hyeon Choi , Jung-Won Nam
发明人： Byung-Kil Yoo , Se-Hyeon Choi , Jung-Won Nam
摘要： A scroll compressor having a vacuum preventing structure includes: a casing forming a receiving space therein; a fixed scroll fixed to a main frame installed in the casing, and including a back pressure passage at an outer side surface thereof, a discharge pressure hole formed at one side of the back pressure passage such that the back pressure passage and a discharge pressure space of the casing can communicate with each other, a middle pressure hole formed at another side of the back pressure passage such that the back pressure passage and a compression space of the casing can communicate with each other, and a suction pressure hole formed at still another side of the back pressure passage such that the back pressure passage and a suction pressure space can communicate with each other; an orbiting scroll positioned between the fixed scroll and the main frame and forming a compression space by being coupled with the fixed scroll; a piston slidably installed in the back pressure passage, for opening or closing the discharge pressure hole; an elastic member installed in the back pressure passage, for supporting the piston; and a stopper for closing an inlet of the back pressure passage.
摘要翻译： 一种具有真空防止结构的涡旋式压缩机，包括：壳体，其中形成有容纳空间; 固定在安装在壳体中的主框架上的固定涡旋盘，在其外侧面包括背压通道，形成在背压通道的一侧的排出压力孔，使得背压通道和排出压力空间 所述壳体可以彼此连通，形成在所述背压通道的另一侧的中压孔，使得所述背压通道和所述壳体的压缩空间彼此连通，并且在另一侧形成吸入压力孔 背压通道的侧面，使得背压通道和吸入压力空间能够相互连通; 位于所述固定涡旋件和所述主框架之间的绕动涡旋件，通过与所述固定涡旋件联接而形成压缩空间; 可滑动地安装在背压通道中的活塞，用于打开或关闭排出压力孔; 安装在背压通道中的用于支撑活塞的弹性构件; 以及用于关闭背压通道的入口的止动件。
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