公开(公告)号：US20200332830A1

公开(公告)日：2020-10-22

申请号：US16728255

申请日：2019-12-27

申请人： HANWHA POWERSYSTEMS CO., LTD

发明人： Jong Won CHOI ,  Sang Hyeon Park

IPC分类号： F16C17/02 ,  F16C33/10

摘要： A radial force support apparatus includes: a shaft coupled to an impeller and configured to rotate together with the impeller; and a foil radial bearing supporting the shaft. The foil radial bearing includes a top foil disposed on an inner circumferential surface of the foil radial bearing and facing at least a part of an outer circumferential surface of the shaft, and the shaft facing the top foil includes at least one groove provided on the outer circumferential surface of the shaft.

公开(公告)号：US20200332802A1

公开(公告)日：2020-10-22

申请号：US16838244

申请日：2020-04-02

申请人： Hanwha Powersystems Co., Ltd.

发明人： Jin Seok HWANG

IPC分类号： F04D25/08 ,  F04D25/06 ,  F04D29/10 ,  F04D29/08 ,  F04D17/10

摘要： A rotary device includes: a housing; an impeller disposed in the housing; a rotor disposed in the housing and configured to drive the impeller; and a labyrinth seal disposed between the impeller and the rotor in the housing and configured to control an amount of air injected through the impeller to cool the rotor. A flow path opening that penetrates through the rotor is formed inside the rotor along a rotational axis of the rotor and the labyrinth seal comprises a teeth portion having a predetermined number of steps provided in the labyrinth seal.

公开(公告)号：US20200291998A1

公开(公告)日：2020-09-17

申请号：US16730146

申请日：2019-12-30

申请人： HANWHA POWERSYSTEMS CO., LTD

发明人： Seung Hoon SHIN ,  Won Kyum KIM

IPC分类号： F16C33/52 ,  F16C17/06 ,  F16C17/03

摘要： A bearing of which a load supporting position capable of being changed, including: a cylindrical housing comprising a hollow inner circumferential surface; one or more support members provided in the housing and disposed along a circumferential direction of the inner circumferential surface; a plurality of pin holes provided along an outer circumferential surface of the housing; and a rotation preventing pin coupled to a first pin hole of the plurality of pin holes and configured to prevent rotation of the housing.In addition, threads are formed on inner circumferential surfaces of the pin holes and an outer circumferential surface of the rotation preventing pin to enable a pin hole and the rotation preventing pin to be easily coupled and decoupled.