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    Turbo fan and air conditioner having the same
    1.
    发明授权
    Turbo fan and air conditioner having the same 有权

    公开(公告)号：US10400781B2

    公开(公告)日：2019-09-03

    申请号：US15167077

    申请日：2016-05-27

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Suguru Nakagawa

    IPC: F04D29/28 ,  F04D29/30

    Abstract: Disclosed herein are a turbo fan, which is capable of implementing high efficiency of ventilation and reducing noise by providing a bended portion being bended in a reverse direction against a rotational direction of a wing between a leading edge and a tailing edge thereof to reattach an air separation generated at a negative pressure surface of the wing, and an air conditioner having the same. The air conditioner includes the turbo fan, wherein the turbo fan includes a main plate having a disc shape and on which a rotational shaft is mounted, a side plate provided to be separated from the main plate along an axial direction of the rotational shaft and having a ring shape in which an opening is provided at a center portion of the side plate, and a wing fixed between the main plate and the side plate and provided in plural numbers along a circumferential direction of the main plate, and wherein a bended portion, which is bended in a reverse direction against a rotational direction of the wing, is provided at the wing between a portion of a leading edge of the wing coming in contact with the side plate and a tailing edge of the wing.

    Propeller fan
    2.
    发明授权
    Propeller fan 有权
    螺旋桨风扇

    公开(公告)号：US09556881B2

    公开(公告)日：2017-01-31

    申请号：US14033635

    申请日：2013-09-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sato Seiji ,  Suguru Nakagawa

    IPC: F04D29/38 ,  F04D29/32

    CPC classification number: F04D29/325 ,  F04D29/384 ,  F05D2240/304

    Abstract: A propeller fan may strongly draw the flow toward the inner circumferential side and greatly improve the pressure efficiency by degrading the tendency of the flow near the pressure surface to be inclined toward the outer circumferential side at the trailing edge of the blade. The blade is provided with a recessed portion raised toward a suction surface at a central portion of a trailing edge of the blade in a radial direction such that the recessed portion is open at least on a pressure surface of the blade, the recessed portion extending from the trailing edge toward a leading edge of the blade, and a cross section of the recessed portion taken in a radial direction is provided with a pair of lateral portions rising at a predetermined angle with respect to the suction surface and facing each other. The span-wise width of the recessed portion between the lateral portions increases as the recessed portion extends from an upstream side to a downstream side.

    Abstract translation: 螺旋桨式风扇可能强力地向内周侧拉动流动，并且通过降低压力表面附近的流动倾向于在叶片的后缘处的外周侧倾斜而大大提高压力效率。 叶片设置有在径向方向上在叶片的后缘的中心部分处朝向抽吸表面升高的凹部，使得凹部至少在叶片的压力表面上打开，凹部从 朝向叶片的前缘的后缘和沿径向方向截取的凹部的横截面设置有一对相对于吸力面以预定角度上升并且彼此面对的侧向部分。 当凹部从上游侧延伸到下游侧时，横向部分之间的凹部的跨度宽度增加。

    Cooking apparatus
    3.
    发明授权
    Cooking apparatus 有权

    公开(公告)号：US11739946B2

    公开(公告)日：2023-08-29

    申请号：US17126542

    申请日：2020-12-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Suguru Nakagawa ,  Keita Mori

    IPC: F24C15/20

    CPC classification number: F24C15/20 ,  F24C15/2028

    Abstract: A cooking apparatus is provided. The cooking apparatus includes a body, a heating part disposed on an upper surface of the body and configured to heat an object to be heated, and an outlet part arranged on opposite sides of the heating part and configured to allow air to be discharged to an upper side of the body. The outlet part includes an outlet to which air is discharged, and a louver arranged on the outlet and configured to guide an airflow discharged from the outlet part to allow the airflow discharged from the outlet part to mix with an airflow generated by the heating part, thereby forming an ascending airflow directed from a front side to a rear side of the body.

    PROPELLER FAN
    4.
    发明申请
    PROPELLER FAN 有权
    螺旋桨风扇

    公开(公告)号：US20140086754A1

    公开(公告)日：2014-03-27

    申请号：US14033635

    申请日：2013-09-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sato Seiji ,  Suguru Nakagawa

    IPC: F04D29/32

    CPC classification number: F04D29/325 ,  F04D29/384 ,  F05D2240/304

    Abstract: A propeller fan may strongly draw the flow toward the inner circumferential side and greatly improve the pressure efficiency by degrading the tendency of the flow near the pressure surface to be inclined toward the outer circumferential side at the trailing edge of the blade. The blade is provided with a recessed portion raised toward a suction surface at a central portion of a trailing edge of the blade in a radial direction such that the recessed portion is open at least on a pressure surface of the blade, the recessed portion extending from the trailing edge toward a leading edge of the blade, and a cross section of the recessed portion taken in a radial direction is provided with a pair of lateral portions rising at a predetermined angle with respect to the suction surface and facing each other. The span-wise width of the recessed portion between the lateral portions increases as the recessed portion extends from an upstream side to a downstream side.

    Abstract translation: 螺旋桨式风扇可能强力地向内周侧拉动流动，并且通过降低压力表面附近的流动倾向于在叶片的后缘处的外周侧倾斜而大大提高压力效率。 叶片设置有在径向方向上在叶片的后缘的中心部分处朝向抽吸表面升高的凹部，使得凹部至少在叶片的压力表面上打开，凹部从 朝向叶片的前缘的后缘和沿径向方向截取的凹部的横截面设置有一对相对于吸力面以预定角度上升并且彼此面对的侧向部分。 当凹部从上游侧延伸到下游侧时，横向部分之间的凹部的跨度宽度增加。

    Outdoor unit, air conditioner, fan guard, and method of manufacturing fan guard
    8.
    发明授权
    Outdoor unit, air conditioner, fan guard, and method of manufacturing fan guard 有权

    公开(公告)号：US11614243B2

    公开(公告)日：2023-03-28

    申请号：US16957095

    申请日：2018-12-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Takeshi Takahara ,  Hideki Ishikawa ,  Suguru Nakagawa ,  JeiMin Choi ,  JaeSung Yoo ,  Joonho Yoon ,  DongSik Jin

    IPC: F24F1/56 ,  F24F1/50 ,  F24F13/20

    Abstract: The present disclosure is to reduce a blowing resistance while securing a mechanical strength of a fan guard.
    An outdoor unit 100 includes a housing 10 in which an air discharge port X is formed on an upper wall 11, a blowing fan 20 disposed inside the housing 10 to correspond to the air discharge port X, and a fan guard 30 configured to cover the blowing fan 20, wherein the fan guard 30 includes a plurality of annular ribs 32 disposed to be spaced apart from each other in a radial direction of the blowing fan 20, and radial ribs 33 configured to connect a plurality of the annular ribs 32, and wherein the radial ribs 33 are formed such that free ends 3a thereof are bent in the same direction in a cross section orthogonal to a stretching direction and a pair of opposing piece portions 3b including each of the free ends 3a are in surface contact with each other.

    Outdoor unit for air conditioner
    10.
    发明授权
    Outdoor unit for air conditioner 有权

    公开(公告)号：US11085654B2

    公开(公告)日：2021-08-10

    申请号：US16461301

    申请日：2017-11-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Shinji Goto ,  Hiroaki Kurihara ,  Suguru Nakagawa

    IPC: F24F1/38

    Abstract: Disclosed herein is an outdoor unit for an air conditioner including a blowing apparatus for reducing suction loss of a propeller fan generated in corners of a housing and achieving high efficiency of blowing and low noise. The blowing apparatus includes a housing including a wall in which an outlet is formed, a propeller fan positioned in the inside of the housing, the propeller fan facing the outlet, and a diffuser positioned at a discharging side of the propeller fan, and forming the outlet, wherein the diffuser includes an inclined surface inclined with respect to a rotation axis of the propeller fan, and an inclination angle of the inclined surface to the rotation axis of the propeller fan changes according to a circumferential direction of the diffuser.

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