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KR-102963750-B1 - Nozzle for fan assembly

KR102963750B1KR 102963750 B1KR102963750 B1KR 102963750B1KR-102963750-B1

Abstract

A nozzle for a fan assembly is described. The nozzle comprises a first duct through which a first airflow travels and a second duct through which a second airflow travels. The first duct has a first outlet for discharging the first airflow, and the second duct has a second outlet for discharging the second airflow. The first outlet and the second outlet are arranged so that the first airflow and the second airflow collide to produce a combined airflow having a direction defined by the relative flow rates of the first airflow and the second airflow. The second duct has a constant limiting portion, and the first duct has a variable limiting portion for changing the flow rate of the first airflow.

Inventors

  • 레일리, 필립
  • 클리포드, 사무엘
  • 에드먼즈, 벤

Assignees

  • 다이슨 테크놀러지 리미티드

Dates

Publication Date
20260512
Application Date
20220525
Priority Date
20210622

Claims (14)

  1. As a nozzle for a fan assembly: A first duct through which a first airflow travels - said first duct has a first outlet for discharging said first airflow - ; A second duct through which a second airflow travels - said second duct has a second outlet for discharging said second airflow - ; and It includes a curved or dome-shaped guide body extending between a first outlet and a second outlet, wherein the first outlet and the second outlet are arranged so that the first airflow and the second airflow collide to generate a combined airflow having a direction defined by the relative flow rates of the first airflow and the second airflow. The first duct has a variable restriction for changing the flow rate of the first airflow, The above-mentioned second duct has a constant restriction, The airflow emitted from the first outlet and the second outlet is characterized by adhering to the surface of the guide body by the Coanda effect. Nozzle.
  2. In Article 1, The first outlet and the second outlet are arranged such that the first airflow is discharged along a first flow axis and the second airflow is discharged along a second flow axis, and the first flow axis and the second flow axis intersect at an angle between 120 and 160 degrees. Nozzle.
  3. In Article 1, The first outlet and the second outlet are arranged such that the first airflow is discharged upward relative to the base of the nozzle and the second airflow is discharged downward relative to the base. Nozzle.
  4. In Article 1, The nozzle comprises an object movable to change the limiting portion of the first duct, Nozzle.
  5. In Article 4, The above entity is located within the first duct or forms part of the first duct, Nozzle.
  6. In Article 4, The above object is movable to change the size of the first outlet, Nozzle.
  7. In Article 4, The above entity comprises a portion of the first duct, Nozzle.
  8. In Article 7, The above portion slides with respect to the additional portion of the first duct, Nozzle.
  9. In Article 8, The above portion is located downstream of the above additional portion, and the above portion slides over the outer surface of the above additional portion, Nozzle.
  10. In Article 4, The above nozzle includes an actuator for moving the object, and the actuator includes an electric motor. Nozzle.
  11. A fan assembly comprising a nozzle according to any one of claims 1 to 10.
  12. In Article 11, The limiting portion of the first duct is adjustable between a maximum size and a minimum size, and the combined airflow has a first flow direction when the limiting portion is at its maximum size and a second flow direction when the limiting portion is at its minimum size, wherein the first flow direction and the second flow direction have a difference of at least 45 degrees. Fan assembly.
  13. In Article 11, The limiting portion of the first duct is adjustable in size such that when the fan assembly is placed on a horizontal surface, the combined airflow has a flow direction having an angle between -10 degrees and +10 degrees with respect to the horizontal surface. Fan assembly.
  14. In Article 11, When the fan assembly is placed on a horizontal surface, the first airflow is discharged upward from the first outlet, and the second airflow is discharged downward from the second outlet. Fan assembly.

Description

Nozzle for fan assembly The present invention relates to a nozzle for a fan assembly and a fan assembly including said nozzle. A fan assembly may include a nozzle from which airflow is ejected. The direction of the airflow can be controlled by rotating and/or tilting the nozzle. Alternatively, the fan assembly may include a movable valve to change the direction in which airflow is ejected from the nozzle. Figure 1 is a perspective view of a fan assembly. Figure 2 is a block diagram of the electrical components of a fan assembly. FIG. 3 is a cross-sectional slice through the center of the fan assembly nozzle, and the nozzle is in the state of the first configuration. Figure 4 is an enlarged view of a part of the nozzle of Figure 3. FIG. 5 is a cross-sectional slice through the center of the nozzle in the second configuration. Figure 6 is an enlarged view of a part of the nozzle of Figure 5. FIG. 7 is a side view of a nozzle with part of the nozzle housing removed. Figure 8 is an enlarged view of a part of an alternative nozzle. FIG. 9 is a cross-sectional slice through the center of an additional nozzle in the first configuration. FIG. 10 is a cross-sectional slice through the center of an additional nozzle in the second configuration. FIG. 11 is a cross-sectional slice through the center of another additional nozzle in the first configuration. FIG. 12 is a cross-sectional slice through the center of another additional nozzle in the second configuration. The fan assembly (10) of FIGS. 1 and FIGS. 2 includes a main body (20) to which a nozzle (30) is attached. The main body (20) includes a housing (22), a compressor (24), a control unit (26), and a wireless interface (28). The housing (22) has a generally cylindrical shape and accommodates a compressor (24), a control unit (26), and a wireless interface (28). The housing (22) includes an inlet through which airflow is drawn into the main body (20) by the compressor (24), and an outlet through which airflow is discharged from the main body (20) into a nozzle (30). In the example illustrated in FIG. 1, the inlet includes a plurality of apertures (23) formed on the side of the housing (22), and the outlet includes an annular opening (not shown) formed at the top of the housing (22). The compressor (24) is housed within the housing (22) and includes an impeller driven by an electric motor. The control unit (26) has the role of controlling the operation of the fan assembly (10). The control unit (26) is connected to the compressor (24), the wireless interface (28), and the actuator (70) of the nozzle (30). The control unit (26) controls the compressor (24) and the actuator (70) in response to control data received from the wireless interface (28). For example, the control unit (26) can turn the power of the compressor (24) on or off and control the flow rate of the airflow by controlling the speed of the compressor (24), and/or control the direction of the airflow ejected from the fan assembly (10) by controlling the position of the actuator (70), as described in more detail below. The wireless interface (28) receives control data from a remote device (90) operated by a user. The remote device (90) may include, for example, a dedicated remote controller or a mobile device such as a telephone or a tablet. Accordingly, the user can remotely control the flow rate and/or direction of the airflow ejected from the fan assembly (10). The control unit (26) may additionally include a user interface for controlling the operation of the fan assembly (10). For example, the control unit (26) may include buttons, dials, touchscreens, etc. for controlling the flow rate and direction of airflow as well as turning the power of the compressor (24) on and off. Now, referring to FIGS. 3 through 7, the nozzle (30) includes a housing (32), a first duct (40), a second duct (50), a guide body (60), and an actuator (70). The housing (32) generally has the shape of a truncated ellipse or sphere, the first truncated portion forms the face of the nozzle (30), and the second truncated portion forms at least a part of the base of the nozzle (30). The housing (32) accommodates a first duct (40), a second duct (50), and an actuator (70). The housing (32) includes an inlet (34) formed in the base of the housing (32). The inlet (34) has an annular shape and opens into a plenum (35) or manifold located also in the base of the housing (32). The housing (32) further includes a circular opening (36) formed in the upper portion of the housing (32) (see FIG. 1). The first duct and the second duct (40, 50) extend upward within the housing (32). Additionally, the ducts (40, 50) extend upward from the plenum (35) on opposite sides of the housing (32). Accordingly, each duct (40, 50) has an inlet (41, 51) that opens into the plenum (35). The airflow discharged from the main body (20) flows into the plenum (35) of the nozzle (30) through the inlet (34) in the housing (32). The airflow is then bifurcated. The