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    • 3. 发明申请
    • HERMETIC COMPRESSOR
    • HERMETIC压缩机
    • WO2007116989A1
    • 2007-10-18
    • PCT/JP2007/057800
    • 2007-04-03
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.WATANABE, Kiwamu
    • WATANABE, Kiwamu
    • F04B39/10
    • F04B39/023F04B39/1073
    • A hermetic compressor has a structure where a spring reed is separated from a discharge reed at its fixed end by a determined clearance and separated from it at an opening/closing section of the discharge reed by a clearance larger than that at the fixed end. This structure allows increase in distance between the discharge reed and a movable section of the spring reed at a position corresponding to the opening/closing section of the discharge reed. Therefore, the displacement range having a small spring constant can be extended at the beginning of opening of the discharge reed, so that the spring characteristic of a discharge valve device can be increased.
    • 封闭式压缩机具有这样的结构,其中弹簧簧片在其固定端处与排出簧片分开一定的间隙,并且在排出簧片的打开/关闭部分处与其在固定端处的间隙分开。 这种结构允许在对应于排放簧片的打开/关闭部分的位置处增加排出簧片与弹簧簧片的可动部分之间的距离。 因此,能够在放电簧片开度开始时延长具有小弹簧常数的位移范围,能够提高排出阀装置的弹簧特性。
    • 4. 发明申请
    • REFRIGERANT COMPRESSOR
    • 制冷压缩机
    • WO2008069334A1
    • 2008-06-12
    • PCT/JP2007/073737
    • 2007-12-03
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.KUBOTA, AkihikoYANASE, SeigoNARUSE, AtsushiWATANABE, Kiwamu
    • KUBOTA, AkihikoYANASE, SeigoNARUSE, AtsushiWATANABE, Kiwamu
    • F04B39/00
    • F04B39/0061
    • Suction muffler (137) includes tail tube (147) having one end opening to sound deadening space (139) and communication tube (155) having one end opening to sound deadening space (139), where respective openings (161), (163) are at the middle of sound deadening space (139) and side branch resonator (149) having a resonance frequency that substantially matches a high-pass resonance frequency of hermetic container is arranged at tail tube (147). According to a refrigerant compressor having such a configuration, generation of noise caused by resonance of hermetic container can be reduced by suppressing radiation of noise that substantially matches the high-pass resonance frequency of hermetic container and further sound-deadening the same with side branch resonator (149).
    • 抽吸式消音器(137)包括具有一个开口的消音空间(139)的尾管(147)和连通管(155),其中一端开口到消音空间(139),其中相应的开口(161),(163) 处于隔音空间(139)的中间,并且具有与密封容器的高通共振频率基本一致的共振频率的侧分支谐振器(149)布置在尾管(147)处。 根据具有这种结构的制冷剂压缩机,可以通过抑制基本上与密封容器的高通过共振频率相匹配的噪声辐射来抑制由于密封容器的共振引起的噪声的产生,并且与旁侧分支谐振器 (149)。
    • 9. 发明申请
    • COMPRESSOR
    • 压缩机
    • WO2009054099A1
    • 2009-04-30
    • PCT/JP2008/002835
    • 2008-10-08
    • PANASONIC CORPORATIONWATANABE, Kiwamu
    • WATANABE, Kiwamu
    • F04B39/00F16C19/10F16C33/44
    • F04B39/0094F16C19/10F16C33/58F16C35/06
    • A compressor has a hermetic container filled with a lubricant and accommodates an electric element provided with a stator and a rotor and a compressing element, wherein the compressing element includes a shaft, a cylinder block, a piston, a connection mechanism, a bearing, and a thrust ball bearing provided between the rotor and a bearing end surface as an end surface of the bearing, and wherein the thrust ball bearing includes a plurality of balls, a holder portion for holding the balls, upper and lower races disposed on and beneath the balls, a rotation regulation portion for regulating a rotation of the lower race, and a thrust surface provided at the bearing end surface so as to contact with a lower surface of the lower race.
    • 压缩机具有填充有润滑剂的密封容器并容纳设置有定子和转子的电气元件和压缩元件,其中压缩元件包括轴,气缸体,活塞,连接机构,轴承和 推力球轴承,其设置在所述转子和作为所述轴承的端面的轴承端面之间,并且其中所述推力球轴承包括多个滚珠,用于保持所述滚珠的保持器部分, 球,用于调节下座圈的旋转的旋转调节部分和设置在轴承端面处以与下座圈的下表面接触的止推表面。