EP4325124A1

EP4325124A1 - Range hood and cooking apparatus having same

Info

Publication number: EP4325124A1
Application number: EP22804857.5A
Authority: EP
Inventors: Changhoon Oh; Sangjin Kim; Sangjin Lee; Myoungkeun Kwon; Eungryeol Seo; Qasim Khan
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2021-05-18
Filing date: 2022-04-26
Publication date: 2024-02-21
Also published as: EP4325124A4; KR20220156316A; WO2022245002A1

Abstract

Disclosed herein is a cooking appliance including a case having a front surface, side surfaces, and a lower surface on which an inlet is formed, a main fan disposed within the case and configured to draw in air through the inlet, a blade disposed in front of a front end of the inlet and protruding from the front surface of the case towards a front side of the case, and an auxiliary fan module including an auxiliary fan disposed within the case and an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case, wherein the outlet is disposed laterally outwardly of the case than a side end of the inlet on the lower surface of the case.

Description

[Technical Field]

The disclosure relates to a cooking appliance, and more particularly to a range hood of cooking appliances.

[Background Art]

In general, cooking appliances are appliances for heating and cooking an object to be cooked, such as food, which may provide multiple functions related to cooking, such as heating, defrosting, drying, and sterilizing the obj ect to be cooked. Such cooking appliances may include, for example, ovens, such as gas ovens or electric ovens, microwave heating devices (hereinafter referred to as microwave ovens), gas ranges, electric ranges, over the ranges, and gas or electric grills.
Specifically, a cooking appliance may include a range hood that is disposed above a device for heating food and intakes contaminants, such as combustion gases, fine dust, and oil mist, and the like generated from the food when the food is heated. When the extraction performance of the range hood deteriorates, the contaminants generated during cooking may circulate throughout a kitchen, resulting in poor air quality in the kitchen.

[Disclosure]

[Technical Problem]

The present disclosure is directed to providing a cooking appliance with a high efficiency of extraction of contaminants generated during cooking.

[Technical Solution]

One aspect of the present disclosure provides a range hood including a case having a front surface, side surfaces, and a lower surface on which an inlet is formed, a main fan disposed within the case and configured to draw in air through the inlet, a blade disposed in front of a front end of the inlet and protruding from the front surface of the case towards a front side of the case, and an auxiliary fan module including an auxiliary fan disposed within the case and an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case, wherein the outlet is disposed laterally outwardly of the case than a side end of the inlet on the lower surface of the case.
The auxiliary fan module may further include an auxiliary fan inlet through which air flows in from the auxiliary fan, and the auxiliary fan inlet may be disposed on the side surface of the case.
The auxiliary fan module may further include an auxiliary flow path extending from the auxiliary fan inlet to the auxiliary fan, and at least a portion of the auxiliary flow path may extend in a front-rear direction within the case.
The case may further include a main flow path extending from the inlet to the main fan, and the auxiliary fan module may further include a housing that forms the auxiliary flow path to partition the main flow path and the auxiliary flow path.
The case may further include an upper surface formed on the opposite side to the lower surface, the auxiliary fan module may further include an auxiliary fan inlet through which air flows in from the auxiliary fan, and the auxiliary fan inlet may be disposed on the upper surface of the case.
The outlet may be disposed backwardly relative to the center of the case in a front-rear direction.
The outlet may include a long axis extending in a direction corresponding to a front-rear direction of the case.
The auxiliary fan inlet may be disposed in front of the outlet in a front-rear direction of the case.
The auxiliary fan module may be provided in a pair, and each outlet of the pair of auxiliary fan modules may be disposed adjacent to both side ends of the inlet.
The blade may have a long axis extending in a left-right direction of the case and protrudes toward the front side of the case.
A protrusion angle of the blade may be formed at an angle between 0° and 40° downwards relative to a horizontal direction at the front surface of the case.
The protrusion angle of the blade may be variable.
The blade may move between a first position in which the blade protrudes obliquely to the horizontal direction and a second position in which the blade is inserted into the case.
The blade may be detachably coupled to the case.
Another aspect of the present disclosure provides a cooking appliance including a heating device for heating an object to be cooked, and a range hood disposed to be spaced apart in a vertical direction with respect to the heating device, wherein the range hood includes a case having a front surface, side surfaces, and a lower surface on which an inlet is formed, a main fan disposed within the case and configured to draw in air through the inlet, a blade disposed in front of a front end of the inlet and protruding from the front surface of the case towards a front side of the case, and an auxiliary fan module including an auxiliary fan disposed within the case and an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case, wherein the outlet is disposed laterally outwardly of the case than a side end of the inlet on the lower surface of the case.
The blade may have a long axis extending in a left-right direction of the case and protrudes toward the front side of the case.
A protrusion angle of the blade may be formed at an angle between 0° and 40° downwards relative to a horizontal direction at the front surface of the case.
The blade may move between a first position in which the blade protrudes obliquely to the horizontal direction and a second position in which the blade is inserted into the case.
The blade may be detachably coupled to the case.
Another aspect of the present disclosure provides a range hood including a case having a front surface, side surfaces, and a lower surface on which an inlet is formed, a main fan disposed within the case and configured to draw in air through the inlet, a main flow path connecting the inlet and the main fan, a blade protruding from the front surface of the case towards a front side of the case, and an auxiliary fan module including an auxiliary fan disposed within the case, an auxiliary fan inlet through which air flows in from the auxiliary fan, an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case, and a case partitioned from the main flow path and connecting the auxiliary fan inlet and the auxiliary fan, wherein the blade is disposed in front of an front end of the inlet and the outlet is disposed laterally outwardly of the case than both side ends of the inlet on the lower surface of the case.

[Advantageous Effects]

According to the spirit of the disclosure, the range hood of the cooking appliance includes a blade that enhances a vortex of air flowing into an inlet of the range hood from the outside, thereby increasing the extraction efficiency of the range hood.
Further, according to the spirit of the disclosure, the cooking appliance may form an air curtain at a lower side of the range hood using an additional fan, thereby increasing the extraction efficiency of the range hood.

[Description of Drawings]

FIG. 1 is a perspective view illustrating a cooking appliance installed according to an embodiment of the disclosure.
FIG. 2 is a side view illustrating the cooking appliance installed according to an embodiment of the disclosure.
FIG. 3 is a perspective view illustrating a range hood of the cooking appliance according to an embodiment of the disclosure.
FIG. 4 is a bottom view illustrating the range hood of the cooking appliance according to an embodiment of the disclosure.
FIG. 5 is a perspective view illustrating an auxiliary fan module of the range hood of the cooking appliance according to an embodiment of the disclosure.
FIG. 6 is an exploded perspective view of the auxiliary fan module shown in FIG. 5.
FIG. 7 is a schematic view illustrating a flow of air in front of the cooking appliance according to an embodiment of the disclosure.
FIG. 8 is a schematic view illustrating a flow of air at a side of the cooking appliance according to an embodiment of the disclosure.
FIG. 9 is a schematic view illustrating a flow of air at a rear of the cooking appliance according to an embodiment of the disclosure.

[Modes of the Invention]

Embodiments described in the disclosure and configurations shown in the drawings are merely examples of the embodiments of the disclosure and may be modified in various different ways at the time of filing of the present application to replace the embodiments and drawings of the disclosure.
In addition, the same reference numerals or signs shown in the drawings of the disclosure indicate elements or components performing substantially the same function.
Also, the terms used herein are used to describe the embodiments and are not intended to limit and/or restrict the disclosure. The singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In this disclosure, the terms "including", "having", and the like are used to specify features, numbers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more of the features, numbers, steps, operations, elements, components, or combinations thereof.
It will be understood that, although the terms first, second, third, etc., may be used herein to describe various elements, but elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, without departing from the scope of the disclosure, a first element may be termed as a second element, and a second element may be termed as a first element. The term of "and/or" includes a plurality of combinations of relevant items or any one item among a plurality of relevant items.
In the following detailed description, the terms of "front", "forward", "rear", "backward", "top", "bottom", "upper", "lower", "left", and "right" may be defined by the drawings, but the shape and the location of the component is not limited by the term.
In particular, as shown in FIG. 3, a direction in which a door 20 is shown defines a front, and based on the front, defines rear, left and right, and top and bottom.
Hereinafter, various embodiments according to the disclosure will be described in detail with reference to the accompanying drawings.
FIG. 1 is a perspective view illustrating a cooking appliance installed according to an embodiment of the disclosure. FIG. 2 is a side view illustrating the cooking appliance installed according to an embodiment of the disclosure.
Referring to FIGS. 1 and 2, a cooking appliance 1 according to an embodiment of the disclosure may be disposed indoors. For example, the cooking appliance 1 may be arranged in a kitchen. The cooking appliance 1 may be coupled to storage cabinets 2a and 2b.
The cooking appliance 1 may include a heating device 10 provided to heat food. The heating device 10 may be formed as an oven, a gas range, an induction range, and the like. In particular, the heating device 10 may include a cooktop device to enable food to be placed on the heating device 10 and cooked.
The cooking appliance 1 may include a range hood 100. The range hood 100 may draw in exhaust gas, smoke, or food odors generated from the heating device 10 and discharge them outdoors.
According to an embodiment of the disclosure, the range hood 100 may be defined as a component of the cooking appliance 1. However, the disclosure is not limited thereto and may also be defined as a component independent of the cooking appliance 1.
The range hood 100 according to an embodiment of the disclosure is only an example, and may be provided to be combined with a cooking appliance unit, such as an over-the-range (OTR).
The range hood 100 may be arranged in the upper storage cabinet 2a. The heating device 10 of the cooking appliance 1 may be disposed therebelow at a predetermined distance away from the range hood 100 in a first direction A, which is a vertical direction. The heating device 10 may be arranged in the lower storage cabinet 2b.
In other words, the range hood 100 may be disposed above the heating device 10 in the first direction A. Accordingly, exhaust gas, smoke, or food odor generated from the heating device 10 may be drawn in upwards and discharged outdoors.
Although an example in which the cooking appliance 1 is installed indoors has been described, a method of installing the cooking appliance 1 is not limited thereto, and may be installed in various ways depending on the size and characteristics of the installation site, the installation purpose and the like.
Hereinafter, the range hood 100 is described in more detail.
FIG. 3 is a perspective view of the range hood of the cooking appliance according to an embodiment of the disclosure, FIG. 4 is a bottom view of the range hood of the cooking appliance according to an embodiment of the disclosure, FIG. 5 is a perspective view of an auxiliary fan module of the range hood of the cooking appliance according to an embodiment of the disclosure, and FIG. 6 is an exploded perspective view of the auxiliary fan module shown in FIG. 5.
Referring to FIGS. 3 and 4, the range hood 100 according to an embodiment of the disclosure may include a case 110 having a front surface 111, left and right side surfaces 112, a lower surface 113, and an upper surface 114. The case 110 may be disposed on the lower surface 113 and may include an inlet 115 through which smoke generated by the heating device 10 is intaken.
The range hood 100 is disposed within the case 110 and may include a main fan 120 provided to draw in air through the inlet 115.
The case 110 may include a duct cover 116 protruding upwards from the upper surface 114 to cover the main fan 120, but is not limited thereto. The upper surface 114 may extend obliquely upwards relative to the first direction A to form a structure that does not additionally include the duct cover 116.
The case 110 may include a flow path 117 that is formed inside the case 110 and communicates with the main fan 120 from the inlet 115.
The flow path 117 may be provided as a space within the case 110, but is not limited thereto. The flow path may be provided as an additional area by means of a component, such as a duct or the like, partitioned from the inside of the case 110 extending from the inlet 115 to the main fan 120 within the case 110.
Gases introduced through the inlet 115 may flow through the flow path 117 into the main fan 120 and out through a discharge duct 13 connected to the range hood 100.
The range hood 100 is disposed in front of a front end 115a of the inlet 115 in a second direction B, which is a front-rear direction, and may include a blade 150 protruding from the front surface 111 of the case towards the front of the case 110. The blade 150 will be described in detail later.
The range hood 100 may include an auxiliary fan module 160 including an auxiliary fan 161 disposed within the case 110, and an outlet 162 disposed on the lower surface 113 of the case 110 to allow the air blown by the auxiliary fan 161 to be discharged downwardly of the case 110.
The auxiliary fan module 160 may be provided to form an air-curtain directed downwardly of the case 110. The formation of the air curtain will be described in detail later.
The auxiliary fan module 160 may include a housing 164 provided to receive the auxiliary fan 161 and have the outlet 162 formed therein. The auxiliary fan module 160 may include an auxiliary fan inlet 163 through which external air flows into the housing 164.
The housing 164 may be provided in a shape in which an upper housing 164a and a lower housing 164b are coupled together, but is not limited thereto. Alternatively, the housing 164may be formed by combining three or more components, and may also be formed as a single component.
A filter may be disposed on the auxiliary fan inlet 163 to prevent foreign substances from flowing into the auxiliary fan module 160.
The auxiliary fan module 160 may include an auxiliary flow path 165 that allows air introduced from the auxiliary fan inlet 163 to flow through the auxiliary fan 161 to the outlet 162.
The auxiliary fan module 160 may be arranged to allow external air to flow into the auxiliary fan module 160 through the auxiliary fan inlet 163, pass through the flow path 165 and the auxiliary fan 161, and discharge to the outside of the auxiliary fan module 160 through the discharge port 162.
The auxiliary flow path 165 may be disposed within the housing 164. The auxiliary flow path 165 may be provided to be partitioned from the flow path 117 by the housing. In other words, both an air flowing in from the inlet 115 and an air flowing in through the auxiliary flow path 165 are allowed to flow within the case 110, but are separated and not mixed with each other, thereby flowing through the respective flow paths 117 and 165.
The auxiliary fan inlet 163 may be formed on the side surface 112 of the case 110. Accordingly, external air, other than gases generated during cooking, may draw into the auxiliary fan module 160. However, the disclosure is not limited thereto and the auxiliary fan inlet 163 may be disposed on the upper surface 114 of the case 110.
The outlet 162 may be disposed outwardly from a side end 115b of the inlet 115 on the lower surface 113 of the case 110 in a third direction C, which is a left-right direction of the case 110. When the outlet 162 is disposed outwardly from the inlet 115, a flow of air flowing toward the inlet 115 and a flow of air discharged through the outlet 162 may be arranged so as not to overlap as much as possible.
The outlet 162 may be arranged backwardly of the center of the casing 110 in the second direction B, which is the front-rear direction. This is to improve the extraction (or suction) efficiency of the range hood 100, which will be described in more detail later.
The auxiliary fan inlet 163 may be disposed in front of the outlet 162 in the front-rear direction of the case 110. In addition, the outlet 162 is disposed adjacent to a rear end of the case 110 in the second direction B, so at least a portion of the auxiliary flow path 165 may be provided to extend in the front-rear direction within the case 110.
The outlet 162 may be provided in the form of a hole with a long axis extending in the second direction B. This is to ensure that a discharge area of the outlet 162 expands in the second direction B as the outlet 162 is located outwardly of the both side ends 115b of the inlet 115 at the rear surface 113 of the case 110.
Furthermore, the auxiliary fan module 160 is disposed within the case 110, so the housing 164 and the auxiliary flow path 165 formed by the housing 164 may be disposed entirely within the case 110.
The auxiliary fan module 160 may be provided as a pair. The range hood 100 may be equipped with the pair of auxiliary fan modules 160 to operate independently.
For example, depending on where the range hood 100 is installed, one side surface of the range hood 100a may be located on a wall of the kitchen. In response to one side surface of the range hood being located on the wall of the kitchen, one of the pair of the auxiliary fan modules 100, which is located adjacent to the wall, may be provided not to operate.
Hereinafter, a flow of air flowing into the inlet 115 through the blade 150 will be described in detail.
FIG. 7 is a schematic view illustrating a flow of air in front of the cooking appliance according to an embodiment of the disclosure.
As shown in FIG. 7, when the range hood 100 is driven, a contaminated air CA generated by the food to be cooked may flow into the range hood 100, but external air other than the contaminated air CA may also be drawn into the range hood 100.
Assuming that gases drawing into the range hood 100 from a front side of the range hood 100 are a front air FA, in response to the front air FA being drawn into the range hood 100, vortexes may be formed at the front side of the range hood 100 by the blade 150 disposed on the front surface 111 of the case 110.
The blade 150 may cause the front air FA not to flow directly in the first direction A, but to flow into the inlet 115 in the second direction B along the blade 150 by an intake airflow formed at the inlet 115.
In other words, as the blade 150 partially guides a flow direction of the front air FA towards the front side of the case 110, the front air FA does not flow into the inlet 115 as is, but may be diverted in a direction guided by the blades 150 and turned to the inlet 115.
As a result, a velocity of the front air FA in the second direction B is increased and a pressure at the front side the rear surface 113 of the case 110 is decreased due to a movement of the front air FA, and thus vortexes may form in front of the case 110.
Among the contaminated air CA, a front contaminated air FCA flowing from the front side in the second direction B may not only flow in the first direction A, but also partially flow with directionality in the second direction B. As a result, the front contaminated air FCA may flow outside instead of being drawn into the range hood 100, the extraction efficiency of the range hood 100 may decrease.
However, as in an embodiment of the disclosure, when vortexes are formed in front of the case 110 by the blade 150, the front contaminated air FCA may flow with a directionality in the second direction B. As a result, an airflow may be induced to the inlet 115 by vortexes formed by the front air FA without flowing out to the front side of the case 110 in the second direction B.
In other words, when an area where the contaminated air CA is drawn into the range hood 100 at a lower side of the range hood 100 is referred to as a suction area S, the blade 150 may prevent the front contaminated air FCA from deviating forward in the suction area S.
The blade 150 has a long axis extending in the third direction C of the case 110 and may be provided to protrude toward the front side of the case 110.
A protrusion angle of the blade 150 may be set to be an angle between 0° and 40° downwards relative to the second direction B on the front surface 111 of the case 110. The protrusion angle of the blade 150 may be determined in different ways depending on the suction performance of the main fan 120 and the area of the inlet 115.
Although not shown in the drawings, the blade 150 may be provided to allow the protrusion angle of the blade 150 to be varied by a driver (not shown) that moves the blade 150.
The range hood 100 may include a controller (not shown) that drives the driver (not shown), and the controller (not shown) may drive the driver (not shown) according to the situation to change the protrusion angle of the blade 150.
As an example, the range hood 100 may include a sensor device (not shown) that detects that more than an appropriate amount of the contaminated air CA is escaping from the range hood 100 without entering the inlet 115, and the controller (not shown) may drive the driver (not shown) according to information transmitted from the sensor device (not shown).
The protrusion angle of the blade 150 may preferably be set between 0° and 25°, and a value by which the blade 150 protrudes in the second direction B may preferably be approximately 10 mm to 30 mm. A protrusion distance of the blade may be set at a range that does not restrict a user's field of view when the user stands in front of the case 110.
In addition, although not shown in the drawings, the blade 150 may be arranged to move between a protruding position protruding in front of the case 110 and a stored position stored within the case 110.
This may be provided, for example, such that the blade 150 is selectively inserted into the case 110 by the driver described above (not shown).
For example, when the range hood 100 is driven, the blade 150 may be provided to protrude from the case 110 by the driver (not shown), and when the driving of the range hood 100 is completed, the blade 150 may be provided to be inserted into the case 110 by the driver (not shown).
Additionally, the blade 150 may be detachably provided so as to be separable from the case 110. The blade 150 may be selectively separated from the case 110 by the user.
A flow of air formed by the auxiliary fan module 160 is described in more detail below.
FIG. 8 is a schematic view illustrating the flow of air at the side of the cooking appliance according to an embodiment of the disclosure, and FIG. 9 is a schematic view illustrating the flow of air at the rear of the cooking appliance according to an embodiment of the disclosure.
As shown in FIG. 8, the air discharged by the auxiliary fan module 160 may be provided to discharge the air downwardly from the range hood 100. The air discharged downwardly through the outlet 162 may form an air curtain by an airflow drawn in from the inlet 115.
That is, the air curtain may be formed at both side ends of the inlet 115 in the third direction C by a downwardly flowing air SA.
Among the contaminated air CA, a side contaminated air SCA flowing laterally in the third direction C may flow out to the outside with a directionality in the third direction C without flowing into the range hood 100.
However, the range hood 100 according to an embodiment of the disclosure may prevent the side contaminated air SCA from flowing in the third direction C by the air curtain formed by the downwardly flowing air SA discharged from the auxiliary fan module 160.
That is, the auxiliary fan module 160 may form then air curtain to prevent the side contaminated air SCA from escaping from the suction area S in the left-right direction.
Additionally, air may be drawn into the range hood 100 from outside the suction area S by the intake airflow of the range hood 100. At this time, the air introduced from the outside by the air curtain may flow into the suction area S from a lower portion of an area where the air curtain is formed in the first direction A and flow into the range hood 100.
This is because external air is not allowed to flow directly into the range hood 100 in the third direction C due to the air curtain, but is allowed to flow into the range hood 100 by bypassing the air curtain.
As external air is diverted from the air curtain, external air may flow in the direction from the bottom to the top of the suction area S, and as a result, vortexes may be formed by the external air. The vortexes may enhance the vorticity from the bottom to the top of the suction area S, and thus increase the directionality of the airflow in the vertical direction of the contaminated air CA, which is induced by the vorticity, and thus prevent the contaminated air CA from dissipating in the second direction B or in the third direction C, thereby improving the extraction performance of the range hood.
As shown in FIG. 9, the outlet 162 may be disposed adjacent to a rear end of the case 110 in the second direction B.
Accordingly, the downwardly flowing air SA may be discharged from a rear side of the case 110 in the second direction B. As the downwardly flowing air SA flows downwardly with a certain velocity, a velocity of the airflow flowing at the rear of the suction area S relative to the front of the suction area S may increase inside the suction area S.
As the velocity of the airflow at the rear of the suction area S increases, the pressure decreases, and accordingly the airflow in the suction area S may be formed to have a backward direction in the second direction B.
Accordingly, as the contaminated gas CA rises, a backward flow direction of at least a portion of the contaminated gas RCA of the contaminated gas CA is formed by the backward airflow generated in the suction area S, so that the contaminated gas CA may be prevented from flowing forward and leaving the front of the range hood 100.
While the present disclosure has been particularly described with reference to exemplary embodiments, it should be understood by those of skilled in the art that various changes in form and details may be made without departing from the spirit and scope of the present disclosure.

Claims

A range hood, comprising:
a case having a front surface, side surfaces, and a lower surface on which an inlet is formed;

a main fan disposed within the case and configured to draw in air through the inlet;

a blade disposed in front of a front end of the inlet and protruding from the front surface of the case towards a front side of the case; and

an auxiliary fan module including an auxiliary fan disposed within the case and an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case;

wherein the outlet is disposed laterally outwardly of the case than a side end of the inlet on the lower surface of the case.
The range hood of claim 1, wherein the auxiliary fan module further includes an auxiliary fan inlet through which air flows in from the auxiliary fan, and
the auxiliary fan inlet is disposed on the side surface of the case.
The range hood of claim 2, wherein the auxiliary fan module further includes an auxiliary flow path extending from the auxiliary fan inlet to the auxiliary fan, and
at least a portion of the auxiliary flow path is configured to extend in a front-rear direction within the case.
The range hood of claim 3, wherein the case further includes a main flow path extending from the inlet to the main fan, and
the auxiliary fan module further includes a housing that forms the auxiliary flow path such that the main flow path and the auxiliary flow path are partitioned.
The range hood of claim 1, wherein the case further includes an upper surface formed on the opposite side to the lower surface,
the auxiliary fan module further includes an auxiliary fan inlet through which air flows in from the auxiliary fan, and

the auxiliary fan inlet is disposed on the upper surface of the case.
The range hood of claim 1, wherein the outlet is disposed backwardly relative to the center of the case in a front-rear direction.
The range hood of claim 1, wherein the outlet has a long axis extending in a direction corresponding to a front-rear direction of the case.
The range hood of claim 2, wherein the auxiliary fan inlet is disposed in front of the outlet in a front-rear direction of the case.
The range hood of claim 2, wherein
the auxiliary fan module is provided in a pair, and

each outlet of the pair of auxiliary fan modules is disposed adjacent to both side ends of the inlet.
The range hood of claim 1, wherein
the blade has a long axis extending in a left-right direction of the case and protrudes toward the front side of the case.
The range hood of claim 1, wherein a protrusion angle of the blade is formed at an angle between 0° and 40° downwards relative to a horizontal direction at the front surface of the case.
The range hood of claim 11, wherein the protrusion angle of the blade is configured to be variable.
The range hood of claim 11, wherein the blade moves between a first position in which the blade protrudes obliquely to the horizontal direction and a second position in which the blade is inserted into the case.
The range hood of claim 11, wherein the blade is detachably coupled to the case.
A cooking appliance, comprising:
a heating device for heating an object to be cooked; and

a range hood disposed to be spaced apart in a vertical direction with respect to the heating device;

wherein the range hood comprises:
a case having a front surface, side surfaces, and a lower surface on which an inlet is formed;

a main fan disposed within the case and configured to draw in air through the inlet;

a blade disposed in front of a front end of the inlet and protruding from the front surface of the case towards a front side of the case; and

an auxiliary fan module including an auxiliary fan disposed within the case and an outlet disposed on the lower surface of the case to allow air blown by the auxiliary fan to be discharged downwardly from the case;

wherein the outlet is disposed laterally outwardly of the case than a side end of the inlet on the lower surface of the case.