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    MOTOR BEARING SYSTEM
    1.
    发明公开
    MOTOR BEARING SYSTEM 审中-公开

    公开(公告)号：EP4435281A1

    公开(公告)日：2024-09-25

    申请号：EP24157735.2

    申请日：2024-02-15

    申请人： MAZDA MOTOR CORPORATION

    发明人： Suzuki, Runa ,  Miyauchi, Yuma

    IPC分类号： F16C19/06 ,  F16C19/16 ,  F16C19/52 ,  F16C19/54 ,  F16C21/00 ,  F16C32/06 ,  H02K7/08

    CPC分类号： F16C19/52 ,  F16C21/00 ,  H02K7/083 ,  F16C19/547 ,  F16C19/06 ,  F16C19/163 ,  F16C32/0614 ,  F16C2360/0020130101 ,  F16C2233/0020130101

    摘要： [Problem] To precisely execute control related to a bearing so as to handle abnormality of a pump in a motor bearing system that has the bearing operable as a gas-lubricated bearing by the pump.
    [Solution] A motor bearing system 100 has: a slide bearing 3 operable as a gas-lubricated bearing by a pump 30; a rolling bearing 4; a switching mechanism 20 switching between the slide bearing and the rolling bearing; and a controller 50. The controller sets the switching mechanism to make the rolling bearing function when a motor rotation speed is lower than a first speed, and sets the switching mechanism to make the slide bearing function and controls the pump, so as to operate the slide bearing as a gas-lubricated bearing when the pump is normal and the motor rotation speed is equal to or higher than the first speed. In the case where the pump is abnormal, the controller sets the switching mechanism to make the rolling bearing function, and restricts the motor rotation speed to be lower than a predetermined speed even when the motor rotation speed is equal to or higher than the first speed.

    ABNORMALITY DETECTION SYSTEM, SOLID FUEL MILLING DEVICE, AND ABNORMALITY DETECTION METHOD
    3.
    发明公开
    ABNORMALITY DETECTION SYSTEM, SOLID FUEL MILLING DEVICE, AND ABNORMALITY DETECTION METHOD 审中-实审

    公开(公告)号：EP4400214A1

    公开(公告)日：2024-07-17

    申请号：EP22883633.4

    申请日：2022-10-20

    申请人： Mitsubishi Heavy Industries, Ltd.

    发明人： YAMAGUCHI, Sotaro ,  TANIGUCHI, Masahiko ,  UMENO, Takayuki ,  TODA, Akihiro

    IPC分类号： B02C15/04 ,  F16C19/52 ,  F16C41/00 ,  G01M13/045

    CPC分类号： G01M13/045 ,  F16C41/00 ,  B02C15/04 ,  F16C19/52

    摘要： Provided are an anomaly detection system, a solid fuel pulverizing device, and an anomaly detection method that can make a failure of a sensor that detects an anomaly of a roller journal bearing less likely to occur. The anomaly detection system is an anomaly detection system for a roller journal bearing (59) accommodated inside a housing (11) forming an outer shell of the solid fuel pulverizing device and rotatably supporting a pulverizing roller (13) configured to pulverize solid fuel between the pulverizing roller and a pulverizing table. The anomaly detection system includes: a sensing unit (80) provided to the tip, which is located outside the housing (11), of a journal head (45), which supports the pulverizing roller (13) via the roller journal bearing (59) and is attached to the housing (11), and configured to sense information occurring in the journal head (45) due to rotation of the pulverizing roller (13); and a detecting unit configured to detect an anomaly of the roller journal bearing (59) based on information sensed by the sensing unit (80).

    SYSTEM AND METHOD FOR LUBRICATING PLAIN BEARINGS
    5.
    发明授权
    SYSTEM AND METHOD FOR LUBRICATING PLAIN BEARINGS 有权

    公开(公告)号：EP3117114B1

    公开(公告)日：2018-07-18

    申请号：EP15709044.0

    申请日：2015-02-26

    申请人： Universal City Studios LLC

    发明人： VANCE, Eric A. ,  KIDDOO, Michael Roy

    IPC分类号： F16C17/24 ,  F16C41/00 ,  F16C19/52 ,  F16C17/18 ,  F16C17/02 ,  F16C23/04

    CPC分类号： F16C17/18 ,  F16C17/02 ,  F16C17/24 ,  F16C19/52 ,  F16C23/045 ,  F16C41/001

    摘要： A system includes a plain bearing assembly configured to enable rotation of a shaft about a bearing system axis of the shaft. The plain bearing assembly includes the shaft, a cylindrical intermediate bearing disposed about the shaft, and an external bearing disposed about the intermediate bearing. The plain bearing assembly is configured to facilitate oscillatory motion of the shaft relative to the external bearing such that, when the shaft rotates in a first direction about the bearing system axis, the intermediate bearing rotates about the bearing system axis in the first direction, and when the shaft rotates in a second direction opposite the first direction about the bearing system axis, rotation of the intermediate bearing about the bearing system axis is resisted or prevented.