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    • 45. 发明申请
    • DISCHARGE PORT OF A SCREW COMPRESSOR
    • 螺杆压缩机排放口
    • US20160265529A1
    • 2016-09-15
    • US15028508
    • 2014-10-10
    • TRANE INTERNATIONAL INC.
    • Scott Michael BRANCHGordon POWELL, Jr.
    • F04C18/16F04C29/12
    • F04C18/16F01C21/108F04C29/12
    • An improved discharge port of a rotary screw compressor is described. A discharge port of a screw compressor generally includes a restrictive portion to help prevent a leakage of working fluid back to a suction side of the compressor. The improved discharge port is configured to have a restrictive portion with a reduced size compared to a restrictive portion of a conventional discharge port, resulting in an enlarged opening of the discharge port compared to a conventional discharge port. The improved discharge port can help discharge the compressed working fluid more quickly than a conventional discharge port, reducing and/or avoiding over-compression of the working fluid. The efficiency gained due to the enlargement of the opening may be more than the efficiency loss due to leakage of working fluid back to the suction side, resulting in a net efficiency gain of the compressor.
    • 描述了一种改进的旋转螺杆式压缩机的排出口。 螺杆压缩机的排出口通常包括限制部分,以帮助防止工作流体泄漏回压缩机的吸入侧。 改进的排出口被配置为具有与常规排放口的限制部分相比尺寸减小的限制部分,导致与常规排出口相比排出口的开口增大。 改进的排放口可以有助于比常规排放口更快地排放压缩的工作流体,减少和/或避免工作流体的过度压缩。 由于开口的扩大而获得的效率可能大于由于工作流体泄漏到吸入侧而导致的效率损失,导致压缩机的净效率增益。
    • 46. 发明申请
    • ON BOARD INERT GAS GENERATION SYSTEM WITH ROTARY POSITIVE DISPLACEMENT COMPRESSOR
    • 具有旋转积极位移压缩机的板上燃气发生系统
    • US20160236792A1
    • 2016-08-18
    • US15139351
    • 2016-04-27
    • Eaton Limited
    • Alan MASSEY
    • B64D37/32F04C18/16F02C7/25
    • B64D37/32A62C3/08A62C99/0018B64D13/08B64D37/24F02C7/25F04C18/16Y02T50/56
    • An on board inert gas generation system for use in an aircraft having a source of low pressure air includes a variable speed rotary positive displacement compressor with an inlet that receives a first portion of the low pressure air and an outlet in flow communication with an air separation module; a turbine that receives a second portion of the low pressure air to extract energy to drive the compressor; a heat exchanger in a flow path between the compressor and the air separation module, the heat exchanger including a heating pass and a cooling pass, such that compressed air from the compressor is passed along the cooling pass to reduce a temperature of the compressed air supplied to the air separation module; and a duct for supplying cool ram air to the heating pass of the heat exchanger. The compressor provides variable air flow to the air separation module.
    • 一种用于具有低压空气源的飞行器的板载惰性气体发生系统包括具有容纳第一部分低压空气的入口的可变速旋转容积式压缩机和与空气分离流动连通的出口 模块 涡轮,其接收所述低压空气的第二部分以提取能量以驱动所述压缩机; 在压缩机和空气分离模块之间的流路中的热交换器,热交换器包括加热通道和冷却通道,使得来自压缩机的压缩空气沿着冷却通道通过以降低供应的压缩空气的温度 到空气分离模块; 以及用于向热交换器的加热通道供应冷冲压空气的管道。 压缩机为空气分离模块提供可变气流。
    • 49. 发明申请
    • ROTARY SCREW COMPRESSOR
    • 旋转螺杆压缩机
    • US20160123327A1
    • 2016-05-05
    • US14530177
    • 2014-10-31
    • Ingersoll-Rand Company
    • James Christopher CollinsWillie Dwayne Valentine
    • F04C29/04F04C29/00F04C18/16
    • F04C29/04F04C18/16F04C23/005F04C29/0014
    • A gas compressor is disclosed that includes a first rotor having a first rotor body, the first rotor body including a plurality of helical lobes, an infernal volume within the first rotor body defined by a wall, and a turbine disposed within the internal volume, the turbine including a turbine body and a plurality of airfoils extending substantially radially from the turbine body to the wall, where the internal volume is structured to enable a cooling fluid to flow therethrough. The gas compressor further includes a second rotor body including a plurality of helical flutes, an inlet manifold and an outlet manifold, both disposed within the second rotor body, and a body channel within at least one flute extending from and in fluid communication with the inlet manifold to the outlet manifold, where the body channel is structured to enable a cooling fluid to flow therethrough.
    • 公开了一种气体压缩机,其包括具有第一转子体的第一转子,第一转子体包括多个螺旋叶片,由壁限定的第一转子体内的地下体积和设置在内部体积内的涡轮机, 涡轮机,其包括涡轮机主体和从涡轮机主体大致径向延伸到壁的多个翼型件,其中内部容积被构造成使得冷却流体能够流过其中。 气体压缩机还包括第二转子体,其包括设置在第二转子体内的多个螺旋槽,入口歧管和出口歧管,以及在与入口流体连通的至少一个凹槽内的主体通道 歧管到出口歧管,其中主体通道被构造成使得冷却流体能够流过其中。