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    FOIL BEARING
    1.
    发明申请
    FOIL BEARING 有权

    公开(公告)号：US20170089389A1

    公开(公告)日：2017-03-30

    申请号：US15126635

    申请日：2015-03-19

    Applicant: Jun MIDOUMAE ,  Masato YOSHINO ,  Hiroki FUJIWARA

    Inventor： Jun MIDOUMAE ,  Masato YOSHINO ,  Hiroki FUJIWARA

    IPC: F16C33/10 ,  F16C17/02 ,  F16C17/04

    CPC classification number: F16C33/1095 ,  F16C17/024 ,  F16C17/042 ,  F16C17/24 ,  F16C33/101 ,  F16C2360/23 ,  F16C2360/24

    Abstract: Provided is a foil bearing, an air film is formed in a radial bearing gap between a first bearing surface arranged on a top foil and a second bearing surface along with rotation of a shaft, and the shaft is supported with a pressure of the air film. Lubricating powder is interposed between the bearing surfaces. The top foil is partially elastically deformed in a width direction of the radial bearing gap in accordance with the pressure of the air film generated in the radial bearing gap, thereby being alternately shifted between a first state in which a retaining portion capable of retaining the lubricating powder is formed and a second state in which the retaining portion substantially disappears, and shifted from the second state to the first state along with an increase in the pressure of the air film.

    FOIL BEARING UNIT
    4.
    发明申请
    FOIL BEARING UNIT 有权
    螺旋轴承单元

    公开(公告)号：US20160186799A1

    公开(公告)日：2016-06-30

    申请号：US14911784

    申请日：2014-08-24

    Applicant: Masato YOSHINO ,  Mitsuo KAWAMURA ,  Hiroki FUJIWARA

    Inventor： Masato YOSHINO ,  Mitsuo KAWAMURA ,  Hiroki FUJIWARA

    IPC: F16C17/10 ,  F16C17/02 ,  F16C33/16 ,  F16C17/04

    CPC classification number: F16C17/10 ,  F01D25/22 ,  F02B37/00 ,  F02C6/12 ,  F02C7/06 ,  F05D2220/40 ,  F05D2300/224 ,  F05D2300/6033 ,  F16C17/024 ,  F16C17/042 ,  F16C27/02 ,  F16C33/16 ,  F16C43/02 ,  F16C2360/23 ,  F16C2360/24 ,  Y02T10/144

    Abstract: A foil bearing unit includes: a first foil holder formed of a single component; a radial bearing foil mounted to an inner peripheral surface of the first foil holder; a thrust bearing foil mounted to an end surface of the first foil holder; and an inner member including: a shaft portion; and a flange portion projecting radially outward from the shaft portion. The inner member is supported in a radial direction by a fluid pressure that is generated in a radial bearing gap between a bearing surface of the radial bearing foil and an outer peripheral surface of the shaft portion, and the inner member is further supported in a thrust direction by a fluid pressure that is generated in a thrust bearing gap between a bearing surface of the thrust bearing foil and one end surface of the flange portion.

    Abstract translation: 箔片轴承单元包括：由单个部件形成的第一箔片保持器; 安装在所述第一箔保持器的内周面上的径向轴承箔; 安装到所述第一箔保持器的端表面的止推轴承箔; 以及内部构件，包括：轴部; 以及从所述轴部径向向外突出的凸缘部。 内部构件通过在径向轴承箔的支承面和轴部的外周面之间的径向轴承间隙中产生的流体压力沿径向方向支撑，内部构件进一步被支撑在推力 通过在止推轴承箔片的支承表面和凸缘部分的一个端面之间的推力轴承间隙中产生的流体压力的方向。

    FOIL BEARING
    5.
    发明申请
    FOIL BEARING 有权
    螺旋轴承

    公开(公告)号：US20150337894A1

    公开(公告)日：2015-11-26

    申请号：US14652973

    申请日：2013-12-16

    Applicant: Masato YOSHINO ,  Hiroki FUJIWARA

    Inventor： Masato YOSHINO ,  Hiroki FUJIWARA

    IPC: F16C17/02 ,  F01D25/16 ,  F16C32/06

    CPC classification number: F16C17/024 ,  F01D25/16 ,  F01D25/166 ,  F02C3/08 ,  F02C7/06 ,  F02C7/08 ,  F05D2220/32 ,  F05D2220/40 ,  F16C27/02 ,  F16C32/0607 ,  F16C33/101 ,  F16C43/02 ,  F16C2360/23 ,  F16C2360/24

    Abstract: A foil bearing includes an outer member (11), and a plurality of foils (13) that are mounted to an inner circumferential surface (11a) of the outer member (11) and directly face the inner circumferential surface (11a) of the outer member (11) in a radial direction without interposition of another member (such as back foils). The foils (13) each include: holding portions (13a, 13b) that are formed at both circumferential ends and held while in contact with the outer member (11); and a body portion (13c) that is formed circumferentially between the holding portions (13a, 13b) and has a bearing surface (A). At least an end portion on one side in a circumferential direction of the body portion (13c) is raised radially inward with respect to the inner circumferential surface (11a) of the outer member (11).

    Abstract translation: 箔片轴承包括外部构件（11）和安装到外部构件（11）的内周面（11a）并直接面向外部构件（11）的内周面（11a）的多个箔片（13） （11），而不插入另一个部件（例如背部箔片）。 箔片（13）各自包括：保持部（13a，13b），其形成在两个圆周端并与外部构件（11）接触时保持; 以及在所述保持部（13a，13b）之间周向形成并具有支承面（A）的主体部（13c）。 主体部（13c）的圆周方向一侧的至少一端部相对于外侧部件（11）的内周面（11a）向内侧径向升高。

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