A fan adapter includes a base and a fan end portion. The base includes a mounting portion and a coupling portion, and the base is configured to be coupled to a portion of an engine. The fan end portion includes a mounting portion and a coupling portion. The coupling portion of the fan end portion is configured to be coupled to the coupling portion of the base, and the fan end portion is removably couplable to the base via one or more coupling elements to prevent relative rotation between the base and the fan end portion.

A method of coupling a fan to an engine includes selecting a base portion of a fan adapter, which includes a mounting portion and a coupling portion with a mating portion. The mounting portion is configured to be coupled to a fan drive or a fan drive pulley of the engine via one or more mounting elements. The method also includes selecting a fan end portion of the fan adapter. The fan end portion includes a mounting portion and a coupling portion. The mounting portion of the fan end portion is configured to be coupled to the fan, and the coupling portion of the fan end portion includes a mating portion that is complementary to the mating portion of the base portion. The method further includes coupling the engine to the fan by coupling the mating portion of the fan end portion to the mating portion of the base portion.

A ceiling fan assembly or similar air-moving device can include a motor for rotating one or more blades to drive a volume of air about a space. The ceiling fan assembly can include a ceiling fan mount with a dual axis gimble. The dual axis gimble can be received by a mounting bracket so that at least a first and second axis of rotation are provided to the ceiling fan assembly.

A fan mounting system with a fan assembly configured to mount on a mounting tube. The fan assembly has a mounting plate supporting a rotating hub on one side and supporting a motor having a shaft on the opposite side. The mounting plate has a hook for supporting the mounting plate on the mounting tube during installation.

An axial flow fan includes an axial flow impeller, a motor configured to drive the axial flow impeller to rotate, and a resistance member. The axial flow impeller includes a hub having a shaft hole and blades arranged at an outer peripheral wall of the hub. The motor includes a motor body and a motor shaft connected to the motor body and engaged in the shaft hole. The resistance member is arranged at the hub and close to a free end of the motor shaft. A stiffness of the resistance member is greater than a stiffness of the hub.

In the application disclosed are a wind shroud, which is used in a fan with a movable impeller, and a fan with the same. The wind shroud is integrally formed and comprises a body configured to be internally hollowed in an axial direction of the body for receiving the movable impeller. The body comprises an air inlet end and an air outlet end, and the air inlet end has an inner sidewall and an outer sidewall spaced apart from each other to form a silencing cavity for buffering the vibration generated when the movable impeller is rotated, so as to reduce the noise of the fan. In a direction from the air inlet end to the air outlet end, a distance between the inner sidewall of the air inlet end and the outer sidewall of the air inlet end first gradually increases, and then gradually decreases. In the above manner, where the wind shroud of the present application is applied to a fan, the noise problem of the fan can be effectively addressed.

Methods for manufacturing an impeller wheel assembly (e.g., an impeller wheel attached to one or more additional components) are provided. In one example, a method includes casting an impeller wheel without a hub feature in a mold and holding the cast impeller wheel in a fixed position using a holding plate during subsequent stages of fabrication (e.g., the addition of a shaft via friction welding).

A fan motor includes: a housing, a rotation shaft oriented across an inner center of the housing, an impeller located at a first side of the rotation shaft, a rotor connected to the rotation shaft and spaced apart from the impeller in an axial direction, a stator that surrounds the rotor, a first bearing located at a first end of the rotation shaft, a second bearing that is located at a second end of the rotation shaft and that is configured to rotatably support the rotation shaft, and a first bearing housing that accommodates and supports the first bearing, that is fixed inside the housing, and that is configured to guide a flow of air introduced into the housing.

A blower includes a drive device, a shaft, a fan and a rotation limiter member. The fan includes: a main plate that has an axial hole which is securely press-fitted to the shaft; a shroud that is opposed to the main plate and has a suction inlet, which is formed at a center part of the shroud; and a plurality of blades that are placed between the shroud and the main plate and are arranged one after another around a central axis of the fan. The rotation limiter member is fixed to the shaft and the main plate. The main plate includes: a slope portion that is placed on an outer side of the rotation limiter member; and at least one planar surface part which is perpendicular to the central axis and is formed around the central axis at a part of the slope portion.

A fan (1) has a rotor (10) and a fan impeller (20). The rotor (10) has a connecting portion (11) and the fan impeller (20) has a fastening portion (21). The impeller is centered relative to the rotor (10) with the fastening portion (21) on the connecting portion (11) by at least one centering element (40). The impeller is fixed to the rotor (10) by at least one fastening element (30). The fastening element (30) is a screw with a screw head (31), a threaded portion (33), and a shaft arranged between the threaded portion (33) and the screw head (31). A spacer sleeve (34) is arranged around the shaft. A thread (12) corresponding to the fastening element (30) is, respectively, formed in the connecting portion (11).