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1. 发明申请

US20120234037A1 OIL SEPARATOR AND REFRIGERATING CYCLE APPARATUS USING THE SAME 有权
标题翻译：油分离器和制冷循环装置
公开(公告)号：US20120234037A1
公开(公告)日：2012-09-20
申请号：US13416655
申请日：2012-03-09
申请人： Rikio Tadano , Hiroyuki Satou , Susumu Kobayashi , Hiroshi Yamawaki
发明人： Rikio Tadano , Hiroyuki Satou , Susumu Kobayashi , Hiroshi Yamawaki
IPC分类号： F25B43/02
CPC分类号： F25B43/02 , F25B2500/06 , F25B2700/03
摘要： An oil separator capable of preventing breakage in a float with an extremely simple configuration is provided. An oil separator is to separate oil in a refrigerant that is discharged from a compressor and return the oil to the compressor. The oil separator includes: a tank, into which a refrigerant discharged from the compressor flows; a float having a hollow therein that is held vertically movably in the tank, the float moving up and down with a change of an oil level in the tank; and a needle valve to return oil in the tank to the compressor in accordance with up/down movement of the float. The float includes an equalizing tube having a lower end that opens at a bottom part in the float and an upper end that opens outside of the float and above the oil level in the tank.
摘要翻译：提供了一种能够以非常简单的结构防止浮子破裂的油分离器。油分离器是将从压缩机排出的制冷剂中的油分离并将油返回压缩机。油分离器包括：从压缩机排出的制冷剂流入的罐; 其中具有中空的浮子，其被垂直地可移动地保持在所述罐中，所述浮子随着所述罐中的油位的改变而上下移动; 以及针阀，以根据浮子的上/下运动将油箱中的油返回到压缩机。浮子包括均衡管，其具有在浮子的底部开口的下端，以及在该浮子外部开口并位于罐中的油位之上的上端。

2. 发明授权

US09068769B2 Oil separator and refrigerating cycle apparatus using the same 有权
标题翻译：油分离器和使用其的制冷循环装置
公开(公告)号：US09068769B2
公开(公告)日：2015-06-30
申请号：US13416655
申请日：2012-03-09
申请人： Rikio Tadano , Hiroyuki Satou , Susumu Kobayashi , Hiroshi Yamawaki
发明人： Rikio Tadano , Hiroyuki Satou , Susumu Kobayashi , Hiroshi Yamawaki
IPC分类号： F25B43/02
CPC分类号： F25B43/02 , F25B2500/06 , F25B2700/03
摘要： An oil separator capable of preventing breakage in a float with an extremely simple configuration is provided. An oil separator is to separate oil in a refrigerant that is discharged from a compressor and return the oil to the compressor. The oil separator includes: a tank, into which a refrigerant discharged from the compressor flows; a float having a hollow therein that is held vertically movably in the tank, the float moving up and down with a change of an oil level in the tank; and a needle valve to return oil in the tank to the compressor in accordance with up/down movement of the float. The float includes an equalizing tube having a lower end that opens at a bottom part in the float and an upper end that opens outside of the float and above the oil level in the tank.
摘要翻译：提供了一种能够以非常简单的结构防止浮子破裂的油分离器。油分离器是将从压缩机排出的制冷剂中的油分离并将油返回压缩机。油分离器包括：从压缩机排出的制冷剂流入的罐; 其中具有中空的浮子，其被垂直地可移动地保持在所述罐中，所述浮子随着所述罐中的油位的改变而上下移动; 以及针阀，以根据浮子的上/下运动将油箱中的油返回到压缩机。浮子包括均衡管，其具有在浮子的底部开口的下端，以及在该浮子外部开口并位于罐中的油位之上的上端。

3. 发明授权

US5465579A Gas compression/expansion apparatus 失效
标题翻译：气体压缩/膨胀装置
公开(公告)号：US5465579A
公开(公告)日：1995-11-14
申请号：US239415
申请日：1994-05-06
申请人： Fusao Terada , Takashi Nakazato , Rikio Tadano , Naohide Tanigawa , Tatuya Hirose , Kazuo Ikegami , Kiyoshi Fukushima
发明人： Fusao Terada , Takashi Nakazato , Rikio Tadano , Naohide Tanigawa , Tatuya Hirose , Kazuo Ikegami , Kiyoshi Fukushima
IPC分类号： F02G1/043 , F04B39/04 , F25B9/14 , F25B9/00
CPC分类号： F04B39/041 , F02G1/043 , F25B9/14 , F02G2243/02 , F02G2244/00 , F02G2270/45
摘要： An apparatus for compressing/expanding a working gas (compression/expansion apparatus), including: a cylinder; a piston for compressing/expanding said working gas in a working space (front space) of said cylinder; a crank mechanism connected with a piston rod of said piston via an oil seal; a crank chamber for housing therein said crank mechanism and communicating with said cylinder via said oil seal, said apparatus comprising: a first tube allowing for a unidirectional flow of the working gas from said crank chamber to said front space in said cylinder, said first tube having therein an oil filter and a first check valve; and a second tube allowing for a unidirectional flow of the working gas from said front space to a second space (rear space) behind said piston in said cylinder, said second tube having therein a second check valve. In this construction a loop of the working gas is established for pumping the gas from the crank chamber to the rear space of the cylinder via the front space, and then back to the crank chamber via the oil seal between the cylinder and the crank chamber. The passage of the gas through the oil seal helps prevent the lubrication oil from infiltrating directly from the crank chamber into the cylinder along the piston rod.
摘要翻译：一种用于压缩/膨胀工作气体的装置（压缩/膨胀装置），包括：气缸; 用于在所述气缸的工作空间（前空间）中压缩/膨胀所述工作气体的活塞; 曲柄机构，其经由油封与所述活塞的活塞杆连接; 用于容纳其中的所述曲柄机构并经由所述油封与所述气缸连通的曲柄室，所述装置包括：允许所述工作气体从所述曲柄室单向流动到所述气缸中的所述前部空间的第一管，所述第一管其中具有滤油器和第一止回阀; 以及允许所述工作气体从所述前部空间到所述气缸中的所述活塞后面的第二空间（后部空间）的单向流动的第二管，所述第二管中具有第二止回阀。在这种结构中，建立了工作气体循环，用于经由前部空间将气体从曲柄室泵送到气缸的后部空间，然后经由气缸和曲柄室之间的油封将其返回到曲柄室。气体通过油封的通道有助于防止润滑油沿着活塞杆从曲轴室直接渗透到气缸中。

4. 发明授权

US5505047A Gas compression/expansion apparatus 失效
标题翻译：气体压缩/膨胀装置
公开(公告)号：US5505047A
公开(公告)日：1996-04-09
申请号：US345699
申请日：1994-11-21
申请人： Tatuya Hirose , Naohide Tanigawa , Rikio Tadano
发明人： Tatuya Hirose , Naohide Tanigawa , Rikio Tadano
IPC分类号： F02G1/043 , F25B9/14 , F25B9/00
CPC分类号： F25B9/14 , F02G1/043 , F02G2244/00 , F02G2244/10 , F02G2270/45
摘要： An apparatus is provided for compressing/expanding a refrigerant gas. The pistons 13 and 16 for use in the apparatus each have cavities formed in the pistons 13 and 16, and check valves 40 and 41 mounted on one end of the respective pistons for closing/opening the cavities so that the cavities are filled with the pressurized gas. The pistons also have a multiplicity of bores 42 and 43 communicating with the respective cavities for ejecting the high pressure gas into respective gaps between the pistons and cylinders accommodating the pistons. The ejected gas forms gas bearings for the pistons, keeping the pistons off the cylinders, thereby eliminating any mechanical friction between them and hence wear of the pistons and the cylinders. This helps significantly prolong life time of the apparatus.
摘要翻译：提供一种用于压缩/膨胀制冷剂气体的装置。在该装置中使用的活塞13和16各自具有形成在活塞13和16中的空腔，以及安装在相应活塞的一端上的止回阀40和41，用于关闭/打开空腔，使得空腔被填充有加压加油站。活塞还具有多个与相应空腔连通的孔42和43，用于将高压气体喷射到活塞和容纳活塞的气缸之间的相应间隙中。排出的气体形成用于活塞的气体轴承，使活塞离开气缸，从而消除它们之间的任何机械摩擦并因此消除活塞和气缸的磨损。这有助于显着延长设备的使用寿命。

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