Two-way blower having blowing distribution pipe capable of bidirectional blowing at the same time
The two-way blower with a rotatable blower fan and motor-driven damper addresses the limitations of single-outlet blowers by allowing simultaneous or separate air discharge through two paths, improving versatility and reducing costs.
Patent Information
- Application Number
- PCT/KR2025/003535
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-20
- Filing Date
- 2025-03-18
- Publication Date
- 2025-09-25
AI Technical Summary
Conventional blowers with a single outlet are limited in versatility as they cannot control airflow direction in two directions, leading to increased manufacturing costs and reduced usability when simultaneous discharge to two exhaust paths is required.
A two-way blower with a rotatable blower fan and a motor-driven damper inside the main body that can open and close both air discharge passages, allowing air to be directed to either or both paths simultaneously through a flange-structured duct connection.
Enables simultaneous or separate air discharge through two exhaust paths, enhancing versatility and reducing manufacturing costs by simplifying the structure and minimizing breakdowns.
Smart Images

Figure KR2025003535_25092025_PF_FP_ABST
Abstract
Description
A two-way blower equipped with a blower distribution pipe capable of blowing air in both directions at the same time
[0001] The present invention relates to a two-way blower having a blower distribution pipe capable of simultaneously blowing air in both directions, and more specifically, to a two-way blower that can be used for various purposes by forming two exhaust paths to discharge air drawn in through an air inlet passage to the outside of a case, and allowing the direction of the air discharged through the exhaust paths to be discharged both through the two exhaust paths or individually through either of the two exhaust paths.
[0002] In general, newly constructed buildings put a lot of effort into insulation to save energy, and they also pay a lot of attention to ventilation for health reasons.
[0003] Therefore, in order to satisfy both insulation and ventilation, a building air conditioning (ventilation) device is used that forcibly sucks in and exhausts indoor air and outdoor air through a ventilation fan, and enables air purification and energy saving by using a filter or heat exchanger. The above-mentioned building air conditioning device sucks in and exhausts indoor air and outdoor air through a duct.
[0004] Accordingly, a low-noise blower is widely used as a means for absorbing and exhausting outdoor air. A conventional blower has a blower fan mounting portion in which a blower fan is built to be rotatable, and has a main body having an air inlet passage formed on one side for sucking air and an outlet for exhausting air on the other side, and a blower fan mounted on the blower fan mounting portion of the main body and rotatable by a motor, and has a structure in which air drawn in through the air inlet passage formed on one side of the main body is given a certain linearity by the blower fan so that it is exhausted through the outlet.
[0005] However, a blower with only one outlet, such as this one, cannot control the airflow direction in two directions. Therefore, when using a blower in various air conditioning systems, such as air circulation systems, it has the disadvantage of being limited in its versatility.
[0006] Accordingly, in order to solve this shortcoming, a blower device has been disclosed, such as Korean Patent No. 10-1762763, which forms a damper in each of the two exhaust ports so that air can be selectively discharged in one of the two air discharge directions.
[0007] However, this increases the manufacturing cost because two dampers must be formed, and above all, it is a structure that cannot discharge all air to two exhaust paths simultaneously.
[0008] Therefore, it has the disadvantage of low usability as it cannot be used when you want to discharge all the air to two exhaust paths at the same time.
[0009]
[0010] [Prior Art Literature]
[0011] 1. Republic of Korea Patent No. 10-1762763
[0012] The purpose of the present invention is to provide a blower device having two outlets so as to form two air discharge paths with different directions, and to enable the air to be discharged simultaneously through the two discharge paths, or to discharge the air separately through either of the two discharge paths, so as to enable various uses.
[0013] In order to achieve the above-described object, a two-way blower having a blower distribution pipe capable of blowing in both directions at the same time according to an embodiment of the present invention comprises a main body having a blower fan mounting portion in which a blower fan is installed to be rotatable, an air inlet passage formed on one side thereof, and a first air discharge passage and a second air discharge passage formed on the other side thereof, and a blower fan mounted on the blower fan mounting portion and rotatable by a motor, wherein a damper rotatable by a predetermined angle by the motor is formed inside the main body, and the damper can open and close the first air discharge passage and the second air discharge passage, respectively, and the damper can be supported by a blocking projection protruding into the inside of the main body so that air introduced through the air inlet passage can be divided into the first air discharge passage and the second air discharge passage, and one side of the first air discharge passage and the second air discharge passage may be provided with a duct or various It is characterized in that it is configured to form a duct connection portion of a flange structure for connection to a ventilation means.
[0014] The above-described effect of the present invention is that two exhaust ports are formed in the blower to form two air exhaust paths with different directions, and the direction of the air exhausted by the one damper can be exhausted to both exhaust paths, or each can be exhausted to either of the two exhaust paths, so that it can be used for various purposes, and it is a very useful invention that can reduce manufacturing costs and reduce breakdowns by simplifying the structure.
[0015] Figure 1 is an exploded perspective view of the blower device of the present invention.
[0016] Figure 2 is a perspective view showing the combined state of Figure 1.
[0017] Figure 3 is a cross-sectional view of Figure 2.
[0018] Figure 4 is a cross-sectional view for reference of the state of use of the blower of the present invention. Figure (a) is a reference view for showing that air is divided into a first air discharge passage and a second air discharge passage when the rotation of the damper is suppressed by a blocking projection, Figure (b) is a reference view for showing a state in which air is discharged only through the second air discharge passage when the damper blocks the first air discharge passage, and Figure (c) is a reference view for showing a state in which air is discharged only through the first air discharge passage when the damper blocks the second air discharge passage.
[0019] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings so that those skilled in the art can easily practice the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. The technical terminology used herein is only for the purpose of referring to specific embodiments and is not intended to limit the present invention. In addition, the singular forms used herein include plural forms unless the phrases clearly indicate the opposite meaning. The meaning of "comprising" as used herein specifies a particular characteristic, region, integer, step, operation, element, and / or component, and does not exclude the presence or addition of other specific characteristics, regions, integers, steps, operations, elements, components, and / or groups. Unless otherwise defined, all terms, including technical and scientific terms, used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention pertains. Terms defined in commonly used dictionaries are additionally interpreted as having a meaning consistent with the related technical literature and the presently disclosed content, and are not to be construed as ideal or formal meanings unless otherwise defined.
[0020] The embodiments of the present invention described with reference to the perspective drawings specifically illustrate ideal embodiments of the present invention. Consequently, various modifications to the drawings, such as modifications in manufacturing methods and / or specifications, are anticipated. Accordingly, the embodiments are not limited to the specific shapes of the regions depicted, and include, for example, modifications in shape due to manufacturing. For example, regions depicted or described as being flat may generally have rough / rough and non-linear characteristics. Furthermore, portions depicted as having sharp angles may be rounded. Therefore, the regions depicted in the drawings are intended to be approximate only, and their shapes are not intended to depict the precise shapes of the regions, nor are they intended to narrow the scope of the present invention.
[0021] Hereinafter, preferred embodiments of a two-way blower having a blower distribution pipe capable of simultaneously blowing in both directions according to the present invention will be described in detail with reference to the attached drawings.
[0022] Fig. 1 is an exploded perspective view of the blower of the present invention, Fig. 2 is a perspective view showing the combined state of Fig. 1, Fig. 3 is a cross-sectional view of Fig. 2, and Fig. 4 is a cross-sectional view for reference of the use state of the blower of the present invention. Fig. (a) is a reference view showing that air is divided into a first air discharge passage and a second air discharge passage when the rotation of the damper is suppressed by a blocking projection, Fig. (b) is a reference view showing a state in which air is discharged only through the second air discharge passage when the damper blocks the first air discharge passage, and Fig. (c) is a reference view showing a state in which air is discharged only through the first air discharge passage when the damper blocks the second air discharge passage.
[0023] First, it should be noted that, among the drawings, identical components or parts are indicated by identical reference numerals, where possible. Furthermore, in describing the present invention, detailed descriptions of related known functions or configurations are omitted to avoid obscuring the gist of the present invention.
[0024] The two-way blower (1000) of the present invention, which has a blower distribution pipe having the above-described structure, comprises a main body (1100) having a blower fan mounting portion (1110a) and an air inlet passage (1100a) formed on one side and a first air discharge passage (1100b) and a second air discharge passage (1100c) formed on the other side, and a blower fan (1200) mounted on the blower fan mounting portion (1110a) and rotatable by a motor (not shown), and a damper (1130) rotatable by a motor (1120) is formed inside the main body (1100), and the damper (1130) can be configured to open and close the first air discharge passage (1100b) and the second air discharge passage (1100c), respectively, and also The damper (1130) may be configured so that air introduced through the air inlet passage (110a) may be divided into a first air discharge passage (1100b) and a second air discharge passage (1100c) while supported by a blocking projection (1410) protruding into the interior of the main body (1110), and a duct connection portion (1111a, 1111b) having a flange structure for connection to a duct or various ventilation means is formed on one side of the first air discharge passage (1100b) and the second air discharge passage (1100c).
[0025] That is, in the present invention, the damper (1130) can be configured to maintain the first air discharge passage (1100b) in a state that is neither completely closed nor completely open by the blocking projection (1410). In this case, the air is discharged by being divided into the first air discharge passage (1100b) and the second air discharge passage (1100c). This is very useful when there is a need to divide the air and send it to the first air discharge passage (1100b) and the second air discharge passage (1100c) as shown in drawing (a) of FIG. 4. This allows the blower of the present invention to be used for a wide variety of purposes.
[0026] At this time, the damper (1130) is installed inside the first air exhaust passage (1100b), and the direction of the damper (1130) is formed to face the blower fan (1200), and when blocking the first air exhaust passage (1100b), it can be blocked at an angle so as to guide air to the second air exhaust passage (1100c). In addition, the damper (1130) can reduce the manufacturing cost by blocking two passages, that is, the first air exhaust passage (1100b) and the second air exhaust passage (1100c), with one damper. To this end, it is preferable that the first air exhaust passage (1100b) and the second air exhaust passage (1100c) are formed at a right angle.
[0027] In addition, the present invention can form a blocking projection (1141) on one side of the inside of the main body (1100) to stop and support the damper (1130) rotated by the motor (1120) at an accurate position. The blocking projection (1141) can be formed in a state of being integrally molded with the main body (1100) in a state of protruding from the inner wall of the main body (1100), but this can act as a factor impeding the rotation of the damper (1130). Therefore, the blocking projection (1141) is formed on the outside of the main body and is configured to protrude into the inside of the main body (1100) through a hole (1112) perforated in the main body (1100).
[0028] To this end, a blocking projection actuating means (1140) is required to protrude the blocking projection (1141) from the outside of the main body (1100) into the inside of the main body (1100). A motor or a solenoid, etc. may be used as the blocking projection actuating means (1140). That is, in the case of a motor, it protrudes by the rotation of the motor shaft, and in the case of a solenoid, it protrudes by an electromagnet. At this time, the blocking projection actuating means (1140) is structured such that it is coupled to the outer surface of the main body (1100) by a fastener (1142), and the blocking projection (1141) protrudes inward through a hole (1112) to function as a kind of blocking step.
[0029] As described above, although the present invention has been described by limited embodiments, the present invention is not limited thereto, and various modifications and variations are possible by a person having ordinary skill in the art to which the present invention pertains within the scope of the technical idea of the present invention and the equivalent scope of the patent claims to be described below.
[0030] [Explanation of symbols]
[0031] 1000: Blower of the present invention
[0032] 100: Ventilation distribution pipe
[0033] 1100d: Air intake
[0034] 1112: Public
[0035] 1300a: Motor coupling
[0036] 1300b: Airflow guide plate
[0037] 1310: Motor shaft
[0038] 1320: Concave groove
[0039] 140,1140: Blocking projection driving means
[0040] 141,1141: Blocking protrusion
[0041] 142,1142: Fasteners
Claims
1. In a blower device comprising a main body (1100) having a blower fan mounting portion formed therein and a blower fan (1200) mounted on the blower fan mounting portion and rotatable by a motor, and a blower distribution pipe on one side of the main body (1100), The above air distribution pipe is composed of an air inlet passage (1100a) extended from the main body (1100), a first air discharge passage (1100b) positioned in a straight line with the air inlet passage (1100a), and a second air discharge passage (1100c) connected at a right angle to the air inlet passage (1100a) and the first air discharge passage (1100b) at the lower middle portion thereof. At the ends of the first air exhaust passage (1100b) and the second air exhaust passage (1100c), duct connecting portions (1111a, 1111b) for connecting ducts or various ventilation means are formed. A damper (1300) is installed inside the first air exhaust passage (1100b) above, which is composed of a motor coupling part (1300a) coupled to a motor shaft (1310) and an air flow guide plate (1300b) extending upward from the motor coupling part (1300a). The above air flow guide plate (1300b) is formed to be inclined toward the blower fan (1200) so that the air introduced into the air inlet passage (1100a) can be rotated at a predetermined angle by the motor (1120), and can naturally induce the air to flow into the second air discharge passage (1100c), so that the air inlet passage (1100a) and the second air discharge passage (1100c) can be opened and closed, respectively, and is also supported by a blocking projection (1141) that is driven by a blocking projection driving means (1140) from the outside of the main body (1100) and protrudes inward through a hole (1112), so that the air introduced through the air inlet passage (1100a) can be discharged by dividing it into the first air discharge passage (1100b) and the second air discharge passage (1100c) in two directions. A two-way blower equipped with a blower distribution pipe capable of blowing air.
Citation Information
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