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    Air conditioner including a centrifugal fan
    2.
    发明授权
    Air conditioner including a centrifugal fan 有权

    公开(公告)号：US12140325B2

    公开(公告)日：2024-11-12

    申请号：US17561219

    申请日：2021-12-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Seiji Sato ,  Shinji Goto ,  Nozomu Inoue

    IPC: F24F1/0022 ,  F24F1/0063

    Abstract: The centrifugal fan includes a base plate connected to a rotating shaft of a motor, a plurality of blades joined to a surface of the base plate, and a ring-shaped shroud joined to the plurality of blades to face the base plate. The blade is provided in such a way that a length of one end joint portion joined to the base plate is greater than a length of another end joint portion joined to the shroud, and with respect to a plane perpendicular to a rotation axis, an angle between a first straight line, which connects a leading edge position and a trailing edge position of the one end joint portion, and a straight line passing through a center point of the first straight line and a rotation center is less than an angle between a second straight line, which connects a leading edge position and a trailing edge position of the other end joint portion, and a straight line passing through a center point of the second straight line and the rotation center.

    Heat exchanger and air conditioner having the same
    3.
    发明授权
    Heat exchanger and air conditioner having the same 有权

    公开(公告)号：US11293701B2

    公开(公告)日：2022-04-05

    申请号：US16657703

    申请日：2019-10-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyun Young Kim ,  Seiji Sato ,  Sang Mu Lee

    IPC: F28F1/10 ,  F28F1/12

    Abstract: Disclosed herein is a heat exchanger including a corrugated fin and an air conditioner including the same. The corrugated fin includes a through hole through which a heat transfer tube passes, a corrugated portion formed in a zigzag shape in the first direction corresponding to an air flow direction and a flat portion provided in the plane adjacent to the through hole, and the flat portion has a first length in the first direction corresponding to an air flow direction, and a second length shorter than the first length in a second direction perpendicular to the air flow direction.

    Outdoor unit of air conditioner
    4.
    发明授权
    Outdoor unit of air conditioner 有权

    公开(公告)号：US10578322B2

    公开(公告)日：2020-03-03

    申请号：US15759180

    申请日：2016-09-09

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seiji Sato

    IPC: F24F1/38 ,  F24F13/20 ,  F24F1/56 ,  F04D29/54

    Abstract: The present invention is provided to improve static pressure efficiency in an air blower provided with a fixed blade on the downstream side of a fan. The air blower includes: a fan which rotates in a predetermined direction around a rotational axis; and a plurality of fixed blades which are arranged radially around the rotational axis on the downstream side in the advancing direction of an airflow generated by the rotation of the fan and are curved in the opposite direction to the rotation direction of the fan from an inner circumferential part toward an outer circumferential part, wherein the fixed blades are configured in such a manner that an inlet angle formed between an inlet end through which the airflow flows and the rotational axis, and a chord angle formed between a chord connecting the inlet end to an outlet end through which the airflow is discharged and the rotating axis, are greater in the inner circumferential part and the outer circumferential part than in the radial center portion, and an outflow angle formed between the outlet end and the rotational axis is greater than 0° and less than 50°.

    Blower and air conditioner having the same
    5.
    发明授权
    Blower and air conditioner having the same 有权

    公开(公告)号：US11231051B2

    公开(公告)日：2022-01-25

    申请号：US16728214

    申请日：2019-12-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seiji Sato

    IPC: F04D33/00

    Abstract: A blower including a duct configured to allow air to flow in and out and a plurality of blades disposed to be parallel to the duct. Each of the blades including a first part, a second part, and an airflow generator configured to generate airflow in a direction from the inlet to the outlet by applying a voltage between the first electrode and the second electrode which are disposed between a first electrode on a side of the inlet, a second electrode on a side of the outlet, and a dielectric. In a cross section of the blade in the airflow direction when cut in a cross section perpendicular to each of the blades, the first part has a thickness decreasing in a direction toward the inlet and the second part has a thickness decreasing in a direction toward the outlet.

    Oven
    7.
    发明授权
    Oven 审中-公开

    公开(公告)号：US10670277B2

    公开(公告)日：2020-06-02

    申请号：US16077428

    申请日：2017-02-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kiyoshi Iwamoto ,  Yasushi Urai ,  Shigeki Hayashi ,  Seiji Sato ,  Toshihiro Doi ,  Kazutoshi Takenoshita ,  Yurika Kida

    IPC: F24C15/00 ,  F24C14/00 ,  C09D1/00 ,  C09D5/16

    Abstract: Provided is an oven having an improved structure for keeping a cooking chamber clean. The oven includes a main body, a cooking chamber provided inside the main body, a main heater disposed inside the cooking chamber, a fan disposed inside the cooking chamber to circulate air heated by the main heater, a coating film formed on at least a part of a cooking chamber inner wall and having a liquid repellency, and a contaminant collecting portion having a liquid repellency smaller than that of the coating film and provided on the cooking chamber inner wall with which air circulated by the fan collides.

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