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    Brake disc
    22.
    发明授权
    Brake disc 有权

    公开(公告)号：US11859682B2

    公开(公告)日：2024-01-02

    申请号：US17441024

    申请日：2020-03-02

    Applicant: SUNSTAR ENGINEERING INC.

    Inventor： Satoshi Kubota

    IPC: F16D65/12 ,  B62L1/00 ,  F16D65/02

    CPC classification number: F16D65/12 ,  B62L1/00 ,  F16D2065/1332

    Abstract: A brake disc includes an outer circumferential portion including a waveform portion having recessed portions and projecting portions repeatedly formed over an outer circumference, and for the outer circumferential portion to have substantially uniform heat capacity distribution in a circumferential direction and in a radial direction, the outer circumferential portion is formed such that a ratio of a difference in heat capacities among a plurality of circumferential sections in the outer circumferential portion, which are sectioned at an equal angle in the circumferential direction, relative to a heat capacity of each circumferential section is equal to or less than a first predetermined ratio. A ratio of a difference in heat capacities among radial sections in the outer circumferential portion, which are sectioned to have an equal length in the radial direction, relative to a heat capacity of each radial section is equal to or less than a second predetermined ratio.

    DEODORIZATION APPARATUS
    23.
    发明公开
    DEODORIZATION APPARATUS 审中-公开

    公开(公告)号：US20230381366A1

    公开(公告)日：2023-11-30

    申请号：US18322762

    申请日：2023-05-24

    Applicant: Sunstar Engineering Inc.

    Inventor： Tomoharu USA ,  Katsuhiro YAMAGUCHI

    IPC: A61L9/20

    CPC classification number: A61L9/205 ,  A61L2209/12

    Abstract: A deodorization apparatus according to one aspect of the present invention includes: a first main wall 201; a second main wall 202; a first side wall 203; a second side wall 204; a first partition wall 205 with a gap with the second main wall; a second partition wall 206 with a gap with the first main wall; a photocatalyst unit 30 provided between the first main wall and the second main wall, and allowing air to pass therethrough in a direction from the second main wall to the first main wall; and a centrifugal blower 40 disposed opposite to the photocatalyst unit with respect to the second partition wall and spaced apart from the first main wall, the centrifugal blower 40 having a suction port that opens toward the first main wall and a discharge port that opens on a side facing away from the second partition wall.

    Sintered friction material for brake
    24.
    发明授权
    Sintered friction material for brake 有权

    公开(公告)号：US11635120B2

    公开(公告)日：2023-04-25

    申请号：US16492850

    申请日：2018-03-14

    Applicant: Sunstar Engineering Inc.

    Inventor： Hoshiaki Terao ,  Raita Wada ,  Tsuyoshi Nakatsuji ,  Yoshinori Shinagawa

    IPC: C09K3/14 ,  F16D69/02 ,  C22C19/03 ,  F16D65/092

    Abstract: A sintered friction material for brake having a high friction coefficient, with which reduction of the friction coefficient is prevented at high temperature and stable brake performance is maintained. It comprises: a metal matrix of Ni or Ni+Fe (small amount); a solid lubricant (a); and a friction adjusting material (b) including: metal or alloy particles (b1) having an average particle size of 50 μm or more and containing at least one selected from W, Mo, Cr, and FeW; and inorganic particles (b2) containing at least one selected from oxides, nitrides, carbides, and intermetallic compounds. An average particle size db1 of b1 and an average particle size db2 of b2 satisfy db1

    Method for manufacturing brake disc and brake disc
    26.
    发明授权
    Method for manufacturing brake disc and brake disc 有权

    公开(公告)号：US11554407B2

    公开(公告)日：2023-01-17

    申请号：US17432764

    申请日：2020-02-04

    Applicant: SUNSTAR ENGINEERING INC.

    Inventor： Tadashi Takenaka ,  Satoshi Kubota

    IPC: F16D65/12 ,  B21D53/34 ,  B21D19/00 ,  B21D28/14 ,  F16D65/02

    Abstract: In a brake-disc intermediate product, a corrugated portion is molded using an upper mold and a lower mold. The brake-disc intermediate product is set in a mold, the mold has a slope corresponding to the corrugated portion, and an angular portion formed along the outer circumferential edge of the corrugated portion is in contact with the slope in a state where the brake-disc intermediate product is set in the mold. The angular portion in contact with the slope is deformed by pressing the brake-disc intermediate product in a direction of the mold, to mold a chamfer portion. The slope is formed so that a chamfering angle formed with respect to an inner bottom surface of the mold is larger at a portion in contact with the concave portion than a chamfering angle at a portion in contact with the convex portion.

    BRAKE DISC
    28.
    发明申请
    BRAKE DISC 有权

    公开(公告)号：US20220154791A1

    公开(公告)日：2022-05-19

    申请号：US17441024

    申请日：2020-03-02

    Applicant: SUNSTAR ENGINEERING INC.

    Inventor： Satoshi KUBOTA

    IPC: F16D65/12

    Abstract: A brake disc includes an outer circumferential portion including a waveform portion having recessed portions and projecting portions repeatedly formed over an outer circumference, and for the outer circumferential portion to have substantially uniform heat capacity distribution in a circumferential direction and in a radial direction, the outer circumferential portion is formed such that a ratio of a difference in heat capacities among a plurality of circumferential sections in the outer circumferential portion, which are sectioned at an equal angle in the circumferential direction, relative to a heat capacity of each circumferential section is equal to or less than a first predetermined ratio. A ratio of a difference in heat capacities among radial sections in the outer circumferential portion, which are sectioned to have an equal length in the radial direction, relative to a heat capacity of each radial section is equal to or less than a second predetermined ratio.

    Apparatus and method for mixing paste material with gas
    29.
    发明授权
    Apparatus and method for mixing paste material with gas 有权

    公开(公告)号：US11298665B2

    公开(公告)日：2022-04-12

    申请号：US16323104

    申请日：2017-08-02

    Applicant: SUNSTAR ENGINEERING INC.

    Inventor： Takuro Omachi ,  Hiroyuki Nagata

    IPC: B01F5/00 ,  B01F3/04 ,  B01F15/02 ,  B01F5/06

    Abstract: An apparatus (1) for mixing a paste material with gas includes: a mixing part (2) that mixes the paste material with the gas using a piston pump (10); and a static mixer (3) that is connected to the mixing part to stir a mixture obtained by mixing the paste material with the gas in the mixing part. The static mixer includes one or a plurality of stirring sections through which the mixture passes, the stirring section has a shape that allows a flow of the mixture passing through the stirring section to be stirred. A ratio of a volume of the piston pump to a volume of at least one of the stirring sections of the static mixer is within a range from 1:0.2 to 1:5.

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