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    • 6. 发明授权
    • Discharging valve device for a compressor
    • 压缩机排气阀装置
    • US4580604A
    • 1986-04-08
    • US613064
    • 1984-05-22
    • Susumu KawaguchiKoji IshijimaOsamu IwabuchiTakuho HiraharaKazuhiro NakaneFumiaki Sano
    • Susumu KawaguchiKoji IshijimaOsamu IwabuchiTakuho HiraharaKazuhiro NakaneFumiaki Sano
    • F04B39/10F16K15/16F16K15/14
    • F04B39/1073F16K15/16Y10T137/7892
    • A discharging valve device for a compressor discharges gas compressed in a compression chamber outside said chamber against an urging force of a discharging valve to a valve seat and resistance of breaking a film of a lubricating oil deposited at and near a cacting area formed between the valve seat and the discharging valve. The discharging valve device comprises a discharging port communicated with a compression chamber, a valve seat formed at the peripheral portion of said discharging port and having a curvature in cross section, and a discharging valve which is forcibly in contact with a part of said valve seat so as to open and close said discharging port depending on pressure in said compression chamber, wherein a contacting width of the sealing part formed by the contact through an oil film between said discharging valve and said valve seat is smaller than a contacting width of an oil film formed in case of combination of a flat discharging valve with a valve seat having a uniform curvature in cross section.
    • 一种用于压缩机的排出阀装置克服了排出阀对阀座的作用力而将在压缩室内压缩的气体排出,并且阻止了在阀门之间形成的作用区域和附近沉积的润滑油膜, 阀座和排气阀。 排出阀装置包括与压缩室连通的排出口,形成在排出口的周边部分并具有弯曲曲率的阀座,以及与所述阀座的一部分强制接触的排出阀 以便根据所述压缩室中的压力来打开和关闭所述排出口,其中通过所述排出阀和所述阀座之间的油膜的接触形成的密封部分的接触宽度小于油的接触宽度 在平面排出阀与阀座的横截面均匀曲率的组合的情况下形成的膜。