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    • 2. 发明授权
    • Vane compressor having a movable pressure plate and a unitary front head
and cam ring
    • 叶片式压缩机具有可移动的压力板和一体的前头和凸轮环
    • US5924856A
    • 1999-07-20
    • US755262
    • 1996-11-22
    • Toshihiro MurayamaShunji MutaTomoyasu Takahashi
    • Toshihiro MurayamaShunji MutaTomoyasu Takahashi
    • F01C21/10F04C18/344
    • F04C18/3446F01C21/10
    • A vane compressor has at least one of a front-side member and a rear-side member thereof formed with a suction chamber opening toward a cam ring, which has a substantially arcuate or annular shape and extends around a drive shaft. The cam ring has one end face formed with a refrigerant inlet port for supplying a low-pressure refrigerant into compression chambers formed between vanes. Alternatively, a front head is arranged on one end face of the cam ring. A shell encloses another end and an outer peripheral surface of the cam ring and holds a movable plate in a state opposed to the other end face of the cam ring such that the movable plate can be moved along a central axis of the drive shaft. An inside of the shell and the movable plate defines a high-pressure chamber therein. Each adjacent pair of the vanes, the front head, and the movable plate defines a compression chamber therein. The shell has a front-side end extending to an outer peripheral surface of the front head and fixed to the outer peripheral surface of the front head. The outer peripheral surface of the cam ring and an inner peripheral surface of the front-side end of the shell defines a low-pressure space therebetween. The cam ring is formed with an inlet port opening through an outer peripheral wall thereof for supplying a low-pressure refrigerant into the compression chambers during a suction stroke.
    • 叶片式压缩机具有至少一个前侧构件和后侧构件,其中形成有朝向凸轮环开口的吸入室,该抽吸室具有基本上为弧形或环形的形状并围绕驱动轴延伸。 凸轮环具有形成有用于将低压制冷剂供给到形成在叶片之间的压缩室中的制冷剂入口的一个端面。 或者,在凸轮环的一个端面上设置有前头。 壳体包围凸轮环的另一端和外周表面,并且将可动板保持在与凸轮环的另一端面相对的状态,使得可动板可以沿着驱动轴的中心轴线移动。 壳体和可动板的内部在其中限定高压室。 每个相邻的一对叶片,前头和可动板在其中限定一个压缩室。 外壳具有延伸到前头的外周表面并固定到前头的外周表面的前侧端。 凸轮环的外周面和壳体的前侧端部的内周面在它们之间限定了低压空间。 凸轮环形成有通过其外周壁开口的入口,用于在吸入冲程期间将低压制冷剂供应到压缩室中。
    • 8. 发明授权
    • Vane compressor having a single suction groove formed in a side member
which is in direct contact with a cam ring
    • 叶片压缩机具有形成在与凸轮环直接接触的侧构件中的单个吸入槽
    • US6022204A
    • 2000-02-08
    • US156165
    • 1998-09-17
    • Toshihiro MurayamaShunji MutaTomoyasu Takahashi
    • Toshihiro MurayamaShunji MutaTomoyasu Takahashi
    • F01C21/10F04C18/344
    • F04C18/3446F01C21/10
    • A vane compressor has at least one of a front-side member and a rear-side member thereof formed with a suction chamber opening toward a cam ring, which has a substantially arcuate or annular shape and extends around a drive shaft. The cam ring has one end face formed with a refrigerant inlet port for supplying a low-pressure refrigerant into compression chambers formed between vanes. Alternatively, a front head is arranged on one end face of the cam ring. A shell encloses another end and an outer peripheral surface of the cam ring and holds a movable plate in a state opposed to the other end face of the cam ring such that the movable plate can be moved along a central axis of the drive shaft. An inside of the shell and the movable plate defines a high-pressure chamber therein. Each adjacent pair of the vanes, the front head, and the movable plate defines a compression chamber therein. The shell has a front-side end extending to an outer peripheral surface of the front head and fixed to the outer peripheral surface of the front head. The outer peripheral surface of the cam ring and an inner peripheral surface of the front-side end of the shell defines a low-pressure space therebetween. The cam ring is formed with an inlet port opening through an outer peripheral wall thereof for supplying a low-pressure refrigerant into the compression chambers during a suction stroke.
    • 叶片式压缩机具有至少一个前侧构件和后侧构件,其中形成有朝向凸轮环开口的吸入室,该抽吸室具有基本上为弧形或环形的形状并围绕驱动轴延伸。 凸轮环具有形成有用于将低压制冷剂供给到形成在叶片之间的压缩室中的制冷剂入口的一个端面。 或者,在凸轮环的一个端面上设置有前头。 壳体包围凸轮环的另一端和外周表面,并且将可动板保持在与凸轮环的另一端面相对的状态,使得可动板可以沿着驱动轴的中心轴线移动。 壳体和可动板的内部在其中限定高压室。 每个相邻的一对叶片,前头和可动板在其中限定一个压缩室。 外壳具有延伸到前头的外周表面并固定到前头的外周表面的前侧端。 凸轮环的外周面和壳体的前侧端部的内周面在它们之间限定了低压空间。 凸轮环形成有通过其外周壁开口的入口,用于在吸入冲程期间将低压制冷剂供应到压缩室中。