Cooking fume extractor hood

Abstract

The present invention relates to a cooking fume extractor hood which allows purified air to be blown into the room in which the hood is located, without recirculating said air in the vicinity of the hood and without forming an air curtain which prevents the cooking fumes from diffusing when they rise towards the hood. The cooking fume extractor hood comprises an air purification system ( 3) for purifying all the fumes entering the extractor hood and an air extraction system (3) for extracting air to the room in which said hood is located once the fumes have been purified.

Description

OBJECT OF THE INVENTION

[0001] The present invention relates to a cooking fume extractor hood which allows purified air to be blown into the room in which the hood is located, without recirculating said air in the vicinity of the hood and without forming an air curtain which prevents the cooking fumes from diffusing when they rise towards the hood.

[0002] The cooking fume extractor hood comprises an air purification system for purifying all the fumes entering the extractor hood and an air extraction system for extracting air to the room in which said hood is located once the fumes have been purified.BACKGROUND OF THE INVENTION

[0003] Air extraction devices for extracting air from cooking food that is carried out in a cooking system, generally arranged in a kitchen, are known in the state of the art.

[0004] These devices are commonly known as extractor hoods and allow air from cooking food that is carried out in a cooking system to be extracted, wherein the cooking system is placed on a countertop and the extractor hood is arranged above said cooking system, either anchored to the wall or to the ceiling.

[0005] Said devices comprise a set of filters and extraction means for extracting the air originating from cooking food arranged inside the casing which extracts the fumes originating from cooking food and conveys them to an extraction pipe normally connected to the upper portion of the device, for the extraction of the fumes to the outside of the room in which the extractor hood is located.

[0006] Partial recirculating air extractor hoods attached to the wall or ceiling for use over a cooking area are also known, these extractor hoods having a suction fan, a filtering system, a hood casing with air ducts and a device for generating an air outlet directed downwards from the hood, by means of air coming from the outside, which causes an air curtain to form which completely or at least partially prevents the outlet of vapour sucked in by the fan from the volume generated by the air curtain when mixed with said fumes.

[0007] However, these extractor hoods have the disadvantage that they require an auxiliary air inlet to generate the curtain.

[0008] The cooking fume extractor hood of the present invention solves all the above disadvantages.DESCRIPTION OF THE INVENTION

[0009] The present invention relates to a cooking fume extractor hood comprising: a casing inside which the following are arranged: a purification system for fumes originating from cooking configured to purify the fumes and transform them into air; and an extraction system comprising at least one fan in turn comprising an inlet opening and at least one outlet opening, wherein the extraction system is configured to absorb the fumes through a flow directed in a first direction and with a first cross section and to blow said air flow originating from the fumes, in an integral manner, into a room in which the extractor hood is located; wherein the extraction system is further configured to direct the air flow into the room in at least one second direction and with a second cross section without interfering with the fume flow directed in the first direction and with the first cross section.

[0010] In this configuration, the extractor hood blows purified air into the room where the hood is located, without recirculating said air in the vicinity of the hood and without forming an air curtain which prevents the cooking fumes from diffusing when they rise towards the hood, all without any air supply from the outside.

[0011] Optionally, the extraction system comprises at least one first opening arranged in the casing and configured to allow the fumes originating from cooking to enter the inside of the casing in the at least one first direction and with the first cross section and at least one second opening arranged in the casing and configured to direct the air flow into the room in the at least one second direction and with the second cross section without interfering with the fume flow directed in the first direction and with the first cross section.

[0012] Optionally, the at least one second opening arranged in the casing and configured to direct the flow of air into the room in the at least one second direction and with the second cross section without interfering with the fume flow directed in the first direction and with the first cross section is arranged adjacent to a rear part of the casing.

[0013] Optionally, the inlet opening of the at least one fan is arranged in an essentially vertical plane and the outlet opening of the at least one fan is arranged in an essentially horizontal plane.

[0014] Optionally, the inlet opening of the at least one fan is arranged in an essentially vertical plane and the outlet opening of the at least one fan is arranged in an oblique plane.

[0015] Optionally, the inlet opening of the at least one fan is arranged in an essentially horizontal plane and the outlet opening of the at least one fan is arranged in an oblique plane.

[0016] Optionally, the inlet opening of the at least one fan is arranged in an essentially horizontal plane and the outlet opening of the at least one fan is arranged in an essentially vertical plane.

[0017] Optionally, the inlet opening of the at least one fan is arranged in an oblique plane and the outlet opening of the at least one fan is arranged in an oblique plane.

[0018] Optionally, the extraction system comprises two fans.

[0019] Optionally, the purification system for fumes originating from cooking configured to purify the fumes and transform them into air is arranged between the first opening arranged in the casing and the inlet opening of the fan. In this way, the fumes are purified before entering the fan of the extraction system.

[0020] Optionally, the purification system for fumes originating from cooking configured to purify the fumes and transform them into air is arranged between the outlet opening of the at least one fan and the second opening arranged in the casing. In this way, the fumes are purified after passing though the fan of the extraction system.

[0021] Optionally, the purification system for fumes originating from cooking configured to purify the fumes and transform them into air is arranged at least partly between the first opening arranged in the casing and the inlet opening of the at least one fan and at least partly between the outlet opening of the at least one fan and the at least one second opening arranged in the casing. In this way, the fumes are purified before entering the fan of the extraction system.

[0022] Optionally, the extractor hood further comprises at least one duct arranged inside the casing and configured to direct the air flow from the outlet opening of the at least one fan to the at least one second opening arranged in the casing and configured to direct the air flow into the room in the at least one second direction and with the second cross section without interfering with the fume flow directed in the first direction and with the first cross section.

[0023] Optionally, the fume purification system comprises: at least one first filter configured to filter the grease contained in the fumes; and / or at least one second filter configured to remove odours contained in the fumes; and / or at least one third filter configured to remove particles contained in the fumes and / or noise.

[0024] Optionally, the fume purification system further comprises an active air purification module configured to remove viruses, bacteria and / or odours contained in the fumes. Preferably, the active air purification module is a plasma ionisation module.DESCRIPTION OF THE DRAWINGS

[0025] As a complement to the description provided herein, and for the purpose of helping to make the features of the invention more readily understandable, in accordance with a preferred practical exemplary embodiment thereof, said description is accompanied by a set of drawings constituting an integral part of the same, wherein by way of illustration and not limitation, the following has been represented: Figure 1 shows an elevated view of a diagram of the extractor hood of the present invention according to a first preferred exemplary embodiment. Figure 2 shows a side view of Figure 1. Figure 3 shows a side view of a diagram of the extractor hood of the present invention according to a second preferred exemplary embodiment. Figure 4 shows a side view of a diagram of the extractor hood of the present invention according to a third preferred exemplary embodiment. Figure 5 shows an elevated view of a diagram of the extractor hood of the present invention according to a fourth preferred exemplary embodiment. Figure 6 shows an elevated view of a diagram of the extractor hood of the present invention according to a fifth preferred exemplary embodiment. Figure 7 shows an elevated view of a diagram of the extractor hood of the present invention according to a sixth preferred exemplary embodiment. PREFERRED EMBODIMENT OF THE INVENTION

[0026] What follows is a detailed description of the cooking fume extractor hood comprising: a casing (1) inside which the following are arranged: a purification system (2) for fumes originating from cooking configured to purify the fumes and transform them into air; and an extraction system (3) comprising at least one fan (4) in turn comprising an inlet opening (5) and at least one outlet opening (6), wherein the extraction system (3) is configured to absorb the fumes through a flow directed in a first direction (D1) and with a first cross section (S1) and to blow said air flow originating from the fumes, in an integral manner, into a room (10) in which the extractor hood is located; wherein the extraction system (3) is further configured to direct the air flow into the room (10) in at least one second direction (D2) and with a second cross section (S2) without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1).

[0027] Preferably, the extraction system (3) comprises at least one first opening (7) arranged in the casing (1) and configured to allow the fumes originating from cooking to enter the inside of the casing (1) in the at least one first direction (D1) and with the first cross section (S1) and at least one second opening (8) arranged in the casing (1) and configured to direct the air flow into the room (10) in the at least one second direction (D2) and with the second cross section (S2) without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1).

[0028] In a first preferred exemplary embodiment shown in Figures 1 and 2, the extraction system (3) comprises a fan (4) which in turn comprises an inlet opening (5) arranged in an essentially vertical plane and an outlet opening (6) arranged in an essentially horizontal plane.

[0029] In this first exemplary embodiment, the extractor hood further comprises two ducts (9) arranged inside the casing (1) and configured to direct the air flow from the outlet opening (5) of the fan (4) to two second openings (8) arranged in the casing (1). Preferably, the two ducts (9) comprise at least one inclined section.

[0030] In this first exemplary embodiment, the purification system (2) for fumes originating from cooking is partially arranged between at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4) and partially between the outlet opening (6) of the fan and the second openings (8) arranged in the casing (1). Preferably, the fume purification system (2) comprises: a first filter (11) configured to filter the grease contained in the fumes, a second filter (12) configured to remove odours contained in the fumes; and a third filter (13) configured to remove particles contained in the fumes and noise; arranged between the at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4), in addition to other third filters (13) configured to remove particles and noise contained in the fumes arranged between the outlet opening (6) of the fan and the second openings (8) arranged in the casing (1).

[0031] In a second preferred exemplary embodiment shown in Figure 3, the fume purification system (2) of the first exemplary embodiment comprising: a first filter (11) configured to filter the grease contained in the fumes, a second filter (12) configured to remove odours contained in the fumes; and a third filter (13) configured to remove particles contained in the fumes and noise; arranged between the at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4), are arranged in essentially inclined planes.

[0032] The remaining elements of the extractor hood are the same as for the first exemplary embodiment.

[0033] In a third preferred exemplary embodiment shown in Figure 4, the extraction system (3) comprises a fan (4) which in turn comprises an inlet opening (5) arranged in an essentially vertical plane and an outlet opening (6) arranged in an oblique plane.

[0034] In this exemplary embodiment, the purification system (2) for fumes originating from cooking is arranged between the at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4). Preferably, the fume purification system (2) comprises: a first filter (11) configured to filter the grease contained in the fumes, a second filter (12) configured to remove odours contained in the fumes; and a third filter (13) configured to remove particles contained in the fumes and noise.

[0035] In this exemplary embodiment, the at least one second opening (8) arranged in the casing (1) and configured to direct the air flow into the room (10) in the at least one second direction (D2) and with the second section (S2) is arranged horizontally and adjacent to a rear part of the casing (1), without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1) entering the casing (1) through at least one first opening (7) arranged horizontally and adjacent to the front part of the casing (1).

[0036] In a fourth preferred exemplary embodiment shown in Figure 5, the extraction system (3) comprises a fan (4) which in turn comprises an inlet opening (5) arranged in an essentially horizontal plane and an outlet opening (6) arranged in an inclined plane.

[0037] In this fourth exemplary embodiment, the purification system (2) for fumes originating from cooking is partially arranged between at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4) and partially between the outlet opening (6) of the fan and the second openings (8) arranged in the casing (1). Preferably, the fume purification system (2) comprises: a first filter (11) configured to filter the grease contained in the fumes, and a third filter (13) configured to remove particles contained in the fumes and noise; arranged between the at least one first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4), and an active air purification module (14) configured to remove viruses, bacteria and / or odours contained in the fumes, preferably a plasma ionisation module, and a second filter (12) configured to remove odours contained in the fumes; arranged between the outlet opening (6) of the fan and the at least one second opening (8) in the casing (1).

[0038] In a fifth preferred exemplary embodiment shown in Figure 6, the extraction system (3) comprises two fans (4) each comprising an inlet opening (5) arranged in an inclined plane and an outlet opening (6) arranged in an inclined plane. Preferably, the fans (4) are arranged symmetrically with respect to a vertical central axis (18) of the casing (1).

[0039] In this fifth exemplary embodiment, the extractor hood further comprises two ducts (9) arranged inside the casing (1) and configured to direct the air flow from the outlet opening (5) of each of the fans (4) to two second openings (8) arranged in the casing (1). Preferably, the two ducts (9) comprise at least one inclined section.

[0040] In this fifth exemplary embodiment, the purification system (2) for fumes originating from cooking can be that which is described in any of the preceding exemplary embodiments.

[0041] In a sixth preferred exemplary embodiment shown in Figure 7, the extraction system (3) comprises a fan (4) comprising an inlet opening (5) arranged in a horizontal plane and two outlet openings (6) arranged in a vertical plane.

[0042] In this sixth exemplary embodiment, the extractor hood further comprises two ducts (9) arranged inside the casing (1) and configured to direct the air flow from the outlet opening (5) of each of the two outlet openings (6) of the fan (4) to two second openings (8) arranged in the casing (1). Preferably, the two ducts (9) comprise at least one inclined section.

[0043] In this sixth exemplary embodiment, the purification system (2) for fumes originating from cooking can be that which is described in any of the preceding exemplary embodiments.

Claims

1. A cooking fume extractor hood, comprising: - a casing (1) inside which the following are arranged: • a purification system (2) for fumes originating from cooking configured to purify the fumes and transform them into air; and • an extraction system (3) comprising at least one fan (4) in turn comprising an inlet opening (5) and at least one outlet opening (6), wherein the extraction system (3) is configured to absorb the fumes through a flow directed in a first direction (D1) and with a first cross section (S1) and to blow said air flow originating from the fumes, in an integral manner, into a room (10) in which the extractor hood is located; wherein the extraction system (3) is further configured to direct the air flow into the room (10) in at least one second direction (D2) and with a second cross section (S2) without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1).

2. The cooking fume extractor hood according to claim 1, characterised in that the extraction system (3) comprises at least one first opening (7) arranged in the casing (1) and configured to allow the fumes originating from cooking to enter the inside of the casing (1) in the at least one first direction (D1) and with the first cross section (S1) and at least one second opening (8) arranged in the casing (1) and configured to direct the air flow into the room (10) in the at least one second direction (D2) and with the second cross section (S2) without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1).

3. The cooking fume extractor hood according to any of the preceding claims, characterised in that the at least one second opening (8) arranged in the casing (1) and configured to direct the air flow into the room (10) in the at least one second direction (D2) and with the second cross section (S2) without interfering with the fume flow directed in the first direction (D1) and with the first cross section (S1) is arranged adjacent to a rear part of the casing (1).

4. The cooking fume extractor hood according to any of the preceding claims, characterised in that the inlet opening (5) of the at least one fan (4) is arranged in an essentially vertical plane and the outlet opening (6) of the at least one fan (4) is arranged in an essentially horizontal plane.

5. The cooking fume extractor hood according to any of claims 1 to 3, characterised in that the inlet opening (5) of the at least one fan (4) is arranged in an essentially vertical plane and the outlet opening (6) of the at least one fan (4) is arranged in an oblique plane.

6. The cooking fume extractor hood according to any of claims 1 to 3, characterised in that the inlet opening (5) of the at least one fan (4) is arranged in an essentially horizontal plane and the outlet opening (6) of the at least one fan (4) is arranged in an oblique plane.

7. The cooking fume extractor hood according to any of claims 1 to 3, characterised in that the inlet opening (5) of the at least one fan (4) is arranged in an essentially horizontal plane and the outlet opening (6) of the at least one fan (4) is arranged in an essentially vertical plane.

8. The cooking fume extractor hood according to any of claims 1 to 3, characterised in that the inlet opening (5) of the at least one fan (4) is arranged in an oblique plane and the outlet opening (6) of the at least one fan (4) is arranged in an oblique plane.

9. The cooking fume extractor hood according to any of the preceding claims, characterised in that the extraction system (3) comprises two fans (4).

10. The cooking fume extractor hood according to claim 9, characterised in that each of the two fans (4) comprises an inlet opening (5) arranged in an inclined plane and an outlet opening (6) arranged in an inclined plane.

11. The cooking fume extractor hood according to any of claims 9 or 10, characterised in that the two fans (4) are arranged symmetrically with respect to a vertical central axis (18) of the casing (1).

12. The cooking fume extractor hood according to any of claims 9 to 11, characterised in that it further comprises two ducts (9) arranged inside the casing (1) and configured to direct the air flow from the outlet opening (5) of each of the two fans (4) to two second openings (8) arranged in the casing (1).

13. The cooking fume extractor hood according to any of the preceding claims, characterised in that the purification system (2) for fumes originating from cooking configured to purify the fumes and transform them into air is arranged between the first opening (7) arranged in the casing (1) and the inlet opening (5) of the fan (4).

14. The cooking fume extractor hood according to any of claims 1 to 12, characterised in that the purification system (2) for fumes originating from cooking configured to purify the fumes and transform them into air is arranged between the at least one outlet opening (6) of the at least one fan (4) and the at least one second opening (8) arranged in the casing (1).

15. The cooking fume extractor hood according to any of claims 1 to 12, characterised in that the purification system (2) for fumes originating from cooking configured to purify the fumes and transform them into air is arranged at least partially between the first opening (7) arranged in the casing (1) and the inlet opening (5) of the at least one fan (4) and at least partially between the outlet opening (6) of the at least one fan (4) and the at least one second opening (8) arranged in the casing.

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