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1. 发明授权

US11927214B2 Thrust foil bearing 有权
公开(公告)号：US11927214B2
公开(公告)日：2024-03-12
申请号：US17375277
申请日：2021-07-14
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/04 , F16C37/00
CPC分类号： F16C17/042 , F16C37/002
摘要： A thrust foil bearing includes a foil which faces a thrust collar mounted on a shaft in an axial direction, and a case which supports the foil and surrounds the thrust collar, wherein a cooling hole is formed in the case.

2. 发明授权

US11293482B2 Radial foil bearing 有权
公开(公告)号：US11293482B2
公开(公告)日：2022-04-05
申请号：US16977983
申请日：2019-03-06
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/02
摘要： A radial foil bearing includes a bearing housing which has an insertion hole through which a shaft is inserted, a back foil which is disposed on an inner peripheral surface of the insertion hole, and an engagement member which includes a first part and a second part, the first part being disposed to overlap the back foil in a radial direction of the insertion hole and engaged with the back foil, and the second part being attached to the bearing housing, in which the first part has an engagement groove which extends to an end edge of the first part in an axial direction of the insertion hole, and the back foil is disposed in the engagement groove.

3. 发明授权

US11092192B2 Radial foil bearing 有权
公开(公告)号：US11092192B2
公开(公告)日：2021-08-17
申请号：US16727022
申请日：2019-12-26
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/02 , F16C27/02 , F16C43/02
摘要： The radial foil bearing includes: a housing provided with an insertion hole; a back foil disposed on an inner peripheral surface of the insertion hole, a notch being provided at an edge of the hack foil in an axial direction in which the insertion hole extends; and an engagement member attached to the housing in a state of passing through the notch and extending to outside of a formation area of the notch in a circumferential direction of the insertion hole on an inner peripheral side of the back foil.

4. 发明授权

US09366286B2 Radial foil bearing 有权
标题翻译：径向箔轴承
公开(公告)号：US09366286B2
公开(公告)日：2016-06-14
申请号：US14496322
申请日：2014-09-25
申请人： IHI Corporation
发明人： Naomichi Omori
IPC分类号： F16C32/06 , F16C17/02 , F16C43/02
CPC分类号： F16C17/024 , F16C32/0603 , F16C43/02 , F16C2226/50 , F16C2226/76
摘要： A radial foil bearing (3) that supports a rotating shaft (1). This radial foil bearing (3) is provided with a top foil (10), a back foil (11), and a bearing housing (12) that houses them. A through-slot (13) is formed in the inner circumferential surface of the bearing housing (12), and engagement slots (20) are formed in the through-slot (13) by a fixing tool (16).
摘要翻译：支撑旋转轴（1）的径向箔片轴承（3）。该径向箔片轴承（3）设置有顶盖（10），背箔（11）和容纳它们的轴承壳体（12）。在轴承箱（12）的内周面上形成有通槽（13），通过固定工具（16）在通槽（13）上形成有卡合槽（20）。

5. 发明授权

US11892032B2 Thrust foil bearing 有权
公开(公告)号：US11892032B2
公开(公告)日：2024-02-06
申请号：US17423442
申请日：2020-01-20
申请人： IHI Corporation
发明人： Naomichi Omori
IPC分类号： F16C17/04 , F16C27/02 , F16C43/02
CPC分类号： F16C17/042 , F16C27/02 , F16C43/02
摘要： A thrust foil bearing includes: a base plate including an insertion hole through which a shaft is inserted; and a top foil disposed around the insertion hole, wherein the top foil includes: a slit dividing the top foil into an inner area and an outer area in a radial direction of the insertion hole; a sandwiched part disposed in the outer area; an extending part extending from the sandwiched part to the inner area; and an inclined part being in the inner area, having an end on one side in a circumferential direction of the insertion hole connected to the extending part, extending from the extending part toward another side in the circumferential direction, and inclined with respect to a flat surface of the base plate extending a direction orthogonal to an axial direction of the insertion hole.

6. 发明授权

US11867226B2 Thrust foil bearing and method for manufacturing base plate of thrust foil bearing 有权
公开(公告)号：US11867226B2
公开(公告)日：2024-01-09
申请号：US17417692
申请日：2019-12-10
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/04
CPC分类号： F16C17/042
摘要： A base plate of a thrust foil bearing is provided with a plurality of protrusions and a plurality of recesses formed alternately in a first direction in a striped manner, and either one of top surfaces of the plurality of protrusions and bottom surfaces of the plurality of recesses gradually lower toward one side in the first direction.

7. 发明授权

US11454276B2 Thrust foil bearing 有权
公开(公告)号：US11454276B2
公开(公告)日：2022-09-27
申请号：US17272697
申请日：2019-09-03
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/04
摘要： A thrust foil bearing of the present disclosure includes a base plate which includes an insertion hole through which a rotation shaft is inserted, a back foil which is disposed around the insertion hole and supported by the base plate, and a top foil which is supported by the back foil, wherein the top foil includes an expansion portion in which a width of the expansion portion in a virtual straight line direction in which a virtual straight line extends decreases in a direction orthogonal to the virtual straight line, the virtual straight line being supported by the back foil on a most downstream side in a rotation direction of the shaft.

8. 发明授权

US11940005B2 Radial foil bearing 有权
公开(公告)号：US11940005B2
公开(公告)日：2024-03-26
申请号：US17487954
申请日：2021-09-28
申请人： IHI CORPORATION
发明人： Naomichi Omori
IPC分类号： F16C17/02 , F16C27/02
CPC分类号： F16C17/024 , F16C27/02
摘要： A radial foil bearing includes a bearing housing which has an insertion hole therein, a top foil which is disposed inside the insertion hole, and a foil structure which is interposed between the top foil and the bearing housing, the foil structure has a folded protruding portion that is bent outward in a radial direction of the insertion hole and is bent back inward in the radial direction, and the folded protruding portion is fitted to a fitting groove formed in an end surface of the bearing housing in an axial direction, the axial direction being a direction in which the insertion hole extends.

9. 发明授权

US09915286B2 Radial foil bearing 有权
公开(公告)号：US09915286B2
公开(公告)日：2018-03-13
申请号：US15233015
申请日：2016-08-10
申请人： IHI Corporation
发明人： Naomichi Omori
IPC分类号： F16C32/06 , F16C17/02 , F16C43/02
CPC分类号： F16C17/024 , F16C27/02 , F16C43/02
摘要： A radial foil bearing includes: a cylindrical top foil disposed so as to face a rotary shaft; a back foil disposed outside in the radial direction of the top foil; and a cylindrical bearing housing accommodating the top foil and the back foil. The bearing housing is provided with a limiting member which limits movement of the back foil. A locking recess is provided in a central part in the axial direction of an inner circumferential surface of the bearing housing. In addition, the limiting member includes a locking protrusion and is fixed to the bearing housing by the locking protrusion being locked into the locking recess.

10. 发明授权

US09568042B2 Radial foil bearing 有权
标题翻译：径向箔轴承
公开(公告)号：US09568042B2
公开(公告)日：2017-02-14
申请号：US14596392
申请日：2015-01-14
申请人： IHI Corporation
发明人： Naomichi Omori
IPC分类号： F16C32/06 , F16C17/02 , F16C27/02 , F16C43/02
CPC分类号： F16C17/024 , F16C27/02 , F16C43/02 , F16C2360/00
摘要： The radial foil bearing includes: a top foil disposed facing a rotary shaft; an intermediate foil disposed outside of the top foil in the radial direction thereof; a back foil disposed outside of the intermediate foil in the radial direction; and a cylindrical bearing housing accommodating the top foil, the intermediate foil and the back foil. Engagement recesses are formed on both side surfaces of the bearing housing so as to be opposite to each other. The intermediate foil includes intermediate foil pieces disposed in the circumferential direction of the bearing housing. An engagement-projecting piece engaging with the engagement recess is formed in each intermediate foil piece.
摘要翻译：径向箔片轴承包括：面向旋转轴设置的顶部箔片; 设置在顶部箔片的径向外侧的中间箔片; 设置在所述中间箔的径向外侧的背面箔; 以及容纳顶箔，中间箔和背箔的圆柱形轴承座。接合凹部形成在轴承壳体的两个侧表面上以彼此相对。中间箔包括沿轴承壳体的圆周方向设置的中间箔片。在每个中间箔片中形成有与接合凹部接合的接合突出片。

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