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    NODULAR GRAPHITE CAST IRON AND METHOD FOR FABRICATING VANE USING THE SAME
    103.
    发明申请
    NODULAR GRAPHITE CAST IRON AND METHOD FOR FABRICATING VANE USING THE SAME 审中-公开
    通用石墨铸铁及其制造方法

    公开(公告)号：US20150144230A1

    公开(公告)日：2015-05-28

    申请号：US14613284

    申请日：2015-02-03

    Applicant: LG ELECTRONICS INC.

    Inventor： Jaebong PARK

    IPC: C21C1/10 ,  C21D9/00 ,  C22C37/04 ,  B22D27/20 ,  C22C37/10 ,  C22C33/08 ,  B22D25/02 ,  C21D5/00 ,  C22C37/06

    CPC classification number: C21C1/105 ,  B22D25/02 ,  B22D27/20 ,  C21D5/00 ,  C21D9/0068 ,  C22C33/08 ,  C22C33/10 ,  C22C33/12 ,  C22C37/04 ,  C22C37/06 ,  C22C37/10 ,  F01C21/0809 ,  F04C18/356 ,  F04C2230/21 ,  F05C2201/0442 ,  Y10T428/1266

    Abstract: A nodular graphite cast iron, a method for fabricating a vane for a rotary compressor using nodular graphite cast iron, and a vane for a rotary compressor using the same are provided. The nodular graphite cast iron includes 3.4 wt % to 3.9 wt % of carbon (C), 2.0 wt % to 3.0 wt % of silicon (Si), 0.3 wt % to 1.0 wt % of manganese (Mn), 0.1 wt % to 1.0 wt % of chromium (Cr), 0.04 wt % to 0.15 wt % of titanium (Ti), less than 0.08 w % of phosphorus (P), less than 0.025 wt % of sulphur (S), 0.03 wt % to 0.05 wt % of magnesium (Mg), 0.02 wt % to 0.04 wt % of rare earth resource, iron (Fe) and impurities as the remnants, and includes a bainite matrix structure, nodular graphite, and 15 vol % to 35 vol % of carbide.

    Abstract translation: 提供球墨铸铁，使用球墨铸铁的旋转式压缩机的叶片的制造方法以及使用其的旋转式压缩机的叶片。 结节状石墨铸铁包括3.4重量％至3.9重量％的碳（C），2.0重量％至3.0重量％的硅（Si），0.3重量％至1.0重量％的锰（Mn），0.1重量％至1.0 铬（Cr）的重量％，钛（Ti）0.04重量％〜0.15重量％，磷（P）小于0.08重量％，硫（S）小于0.025重量％，0.03重量％〜0.05重量％ 的镁（Mg），0.02重量％〜0.04重量％的稀土资源，铁（Fe）和杂质作为残留物，并且包括贝氏体基质结构，球状石墨和15体积％至35体积％的碳化物。

    Single screw compressor structure and method of assembling single screw compressor including the same
    104.
    发明授权
    Single screw compressor structure and method of assembling single screw compressor including the same 失效
    单螺杆压缩机结构及组装单螺杆压缩机的方法

    公开(公告)号：US08485804B2

    公开(公告)日：2013-07-16

    申请号：US12665047

    申请日：2008-06-20

    Applicant: Mohammod Anwar Hossain ,  Kaname Ohtsuka ,  Masanori Masuda

    Inventor： Mohammod Anwar Hossain ,  Kaname Ohtsuka ,  Masanori Masuda

    IPC: F01C1/08 ,  F01C1/24 ,  F04C2/00 ,  F04C18/00

    CPC classification number: F04C18/52 ,  F04C2230/60 ,  F04C2230/91 ,  F05C2201/0442 ,  Y10T29/49242

    Abstract: A single screw compressor structure includes a screw rotor and a casing, which houses the screw rotor. A tapered outer circumferential surface of the screw rotor has a plurality of helical grooves, with an outer diameter that increases from an inlet side toward a discharge side. The casing includes an outer tube member having a circular inner hole to form an interior, and an inner tube member is fixed to the interior of the outer tube member. The inner tube member has a tapered inner surface that opposes the tapered outer circumferential surface of the screw rotor. A single screw compressor further including a gate rotor is assembled by adjusting mesh between the screw rotor and the gate rotor, aligning the tapered outer and inner circumferential surfaces relative to one another, and integrally coupling the outer and inner tube members to each other.

    Abstract translation: 单螺杆压缩机结构包括螺旋转子和容纳螺旋转子的壳体。 螺杆转子的锥形外周面具有多个螺旋槽，其外径从入口侧朝向排出侧增大。 壳体包括具有圆形内孔以形成内部的外管构件，并且内管构件固定到外管构件的内部。 内管构件具有与螺杆转子的锥形外周面相对的锥形内表面。 进一步包括门转子的单螺杆压缩机通过调节螺杆转子和门转子之间的网孔而组装，使锥形的外周面和内周面彼此对准，并将外管构件和内管构件彼此一体地联接。

    REFRIGERANT COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
    105.
    发明申请
    REFRIGERANT COMPRESSOR AND REFRIGERATION CYCLE APPARATUS 有权
    制冷压缩机和制冷循环装置

    公开(公告)号：US20120174617A1

    公开(公告)日：2012-07-12

    申请号：US13496660

    申请日：2010-09-08

    Applicant: Toshimasa Aoki ,  Koji Satodate ,  Kazu Takashima

    Inventor： Toshimasa Aoki ,  Koji Satodate ,  Kazu Takashima

    IPC: F25B1/00 ,  F04C27/00 ,  F04C18/00

    CPC classification number: F04C18/3564 ,  F01C21/08 ,  F01C21/0881 ,  F04C2230/21 ,  F04C2230/91 ,  F04C2230/92 ,  F05C2201/0403 ,  F05C2201/0406 ,  F05C2201/0439 ,  F05C2201/0442 ,  Y10T428/12549 ,  Y10T428/12576

    Abstract: A refrigerant compressor includes a compression unit having a roller and a vane for compressing refrigerant. The vane has a film having first to fourth layers on its metallic base member. The first layer is made of chromium. The second layer is made of chromium and tungsten-carbide. The third layer is made of metal-containing amorphous-carbon containing at least tungsten or tungsten-carbide. The fourth layer is made of non-metal-containing amorphous-carbon containing carbon and hydrogen. In the second layer, chromium content-rate on a first-layer side is larger than on a third-layer side, and tungsten-carbide content-rate on the third-layer side is larger than on the first-layer side. In the third layer, content-rate of the at least tungsten or tungsten-carbide on a second-layer side is larger than on a fourth-layer side. The roller with which an end-edge of the vane slidably-contacts is made of flake graphite cast iron containing molybdenum, nickel and chromium.

    Abstract translation: 制冷剂压缩机包括具有辊和用于压缩制冷剂的叶片的压缩单元。 叶片具有在其金属基底上具有第一至第四层的膜。 第一层由铬制成。 第二层由铬和碳化钨制成。 第三层由至少含有钨或碳化钨的含金属的无定形碳制成。 第四层由含有非金属的非晶碳碳和氢制成。 在第二层中，第一层侧的铬含量比第三层侧的铬含量高，第三层侧的碳化钨含有率大于第一层侧的碳含量。 在第三层中，第二层侧的至少钨或碳化钨的含有率大于第四层侧的含量。 叶片的端部边缘滑动接触的辊由含有钼，镍和铬的片状石墨铸铁制成。

    Vacuum pump
    108.
    发明授权
    Vacuum pump 失效
    真空泵

    公开(公告)号：US06964560B2

    公开(公告)日：2005-11-15

    申请号：US10490870

    申请日：2001-12-14

    Applicant: Masashi Yoshimura

    Inventor： Masashi Yoshimura

    IPC: B65G53/24 ,  F04C18/16 ,  F04C23/00 ,  F04C25/02 ,  F04C29/00 ,  F04C29/04 ,  F01C1/16 ,  F01C1/24

    CPC classification number: F04C29/0021 ,  F04C18/16 ,  F04C23/00 ,  F04C29/042 ,  F05C2201/0442

    Abstract: An object of this invention is to prevent drop of life of a bearing by an axial force when using a pump as a compressor. In a vacuum pump 1 compressing and discharging gas in a direction of a rotor axis by rotation of screw rotors 3, 4 engaged together which are supported rotatably in a casing 2, balance pistons 13, 14 are disposed on shafts 6, 7 of said screw rotors at inlet side of said casing. The balance pistons separate a receiving section 17 at area of the screw rotor and a pressurizing section 16 at area of the balance piston, and a thrust force of the screw rotors at a pressurizing condition is canceled by acting the discharge pressure in the pressurizing section. The pump is used as a compressor when the discharge pressure is acted on the balance pistons 13, 14. When the pump is used as a vacuum pump, air at discharge side is sucked as cool air through a cooler toward a place near to the discharge side of the receiving section 17 at area of the screw rotor.

    Abstract translation: 本发明的目的是在使用泵作为压缩机时防止轴承的寿命下降。 在真空泵1中，通过可旋转地支撑在壳体2中的螺旋转子3,4的接合的螺杆转子3,4的旋转，在转子轴线的方向上压缩和排出气体，平衡活塞13,14设置在所述螺杆的轴6,7上 所述壳体入口侧的转子。 平衡活塞在螺杆转子的区域和在平衡活塞的区域处的加压部16分离接收部17，并且通过作用加压部中的排出压力来消除螺杆转子在加压条件下的推力。 当排出压力作用在平衡活塞13,14上时，泵用作压缩机。 当泵用作真空泵时，在螺旋转子的区域处，排出侧的空气通过冷却器作为冷空气被吸入靠近接收部17的排出侧的位置。

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