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    • 10. 发明授权
    • Dedicated pulsing valve for compressor cylinder
    • 压缩机气缸专用脉动阀
    • US08726679B2
    • 2014-05-20
    • US13058725
    • 2009-08-11
    • Alexander LifsonSriram SrinivasanPaul J. Flanigan
    • Alexander LifsonSriram SrinivasanPaul J. Flanigan
    • F25B49/02F04B35/00
    • F04B7/00F04B1/02F04B1/0452
    • A reciprocating piston compressor for use in a refrigerant compression circuit comprises first and second intake manifolds, first and second reciprocating piston compression units, an outlet manifold and a first pulsing valve. The intake manifolds segregate inlet flow into the compressor. The first and second reciprocating piston compression units receive flow from the first and second intake manifolds, respectively. The outlet manifold collects and distributes compressed refrigerant from the compression units. The first pulsing valve is mounted externally of the first intake manifold to regulate refrigerant flow into the first intake manifold. In another embodiment, a second valve is mounted externally of the second intake manifold to regulate flow into the second intake manifold, and the first and second valves are operated by a controller. The controller activates the first valve with variable width pulses having intervals less than an operating inertia of the refrigerant compression circuit.
    • 用于制冷剂压缩回路的往复活塞式压缩机包括第一和第二进气歧管,第一和第二往复活塞压缩单元,出口歧管和第一脉动阀。 进气歧管隔离进入压缩机的入口流。 第一和第二往复活塞压缩单元分别接收来自第一和第二进气歧管的流量。 出口歧管从压缩单元收集和分配压缩的制冷剂。 第一脉冲阀安装在第一进气歧管的外部以调节进入第一进气歧管的制冷剂流。 在另一个实施例中,第二阀安装在第二进气歧管的外部以调节进入第二进气歧管的流量,并且第一和第二阀由控制器操作。 控制器以可变宽度脉冲激活具有小于制冷剂压缩回路的操作惯性的间隔的第一阀。