公开(公告)号：US20240151409A1

公开(公告)日：2024-05-09

申请号：US18416010

申请日：2024-01-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nozomu INOUE ,  Shinji GOTO ,  Seiji SATO

IPC: F24F1/0011 ,  F24F1/0022

CPC classification number: F24F1/0011 ,  F24F1/0022

Abstract: An indoor unit for an air conditioner including a centrifugal fan. The centrifugal fan includes a main plate connectable to a rotation shaft of a motor, a plurality of blades, with one respective end to be bonded to the main plate and arrangeable at equal intervals from each other along a circumferential direction, a shroud, to be bonded to another respective end of the plurality of blades, to face the main plate, and a bell mouth arrangeable inside the shroud. An annular member arrangeable on an outer circumferential portion of the bell mouth with an inlet portion at the gap between the shroud and the bell mouth. The annular member including an annular flat plate portion spaced apart from and face the inlet portion, and a protrusion formed on an outer circumferential portion of a surface of the annular flat plate portion facing the shroud and being curved.

公开(公告)号：US20220205650A1

公开(公告)日：2022-06-30

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.

公开(公告)号：US20190316790A1

公开(公告)日：2019-10-17

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.

公开(公告)号：US20180335055A1

公开(公告)日：2018-11-22

申请号：US15977538

申请日：2018-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Shinji GOTO

IPC: F04D29/68

Abstract: A blower having high efficiency and low noise by actively controlling airflow in the blower, and an air conditioner having the blower is provided. The air conditioner has a blower. The blower includes a fan having a hub and at least one blade provided on an outer circumferential surface of the hub, a motor to rotatably drive the hub, a shroud configured to surround the periphery of the fan and at least one actuator installed in the shroud and configured to form an airflow along an inner circumferential surface of the shroud.