CN106765388A - Fume extractor - Google Patents
Fume extractor Download PDFInfo
- Publication number
- CN106765388A CN106765388A CN201611183648.2A CN201611183648A CN106765388A CN 106765388 A CN106765388 A CN 106765388A CN 201611183648 A CN201611183648 A CN 201611183648A CN 106765388 A CN106765388 A CN 106765388A
- Authority
- CN
- China
- Prior art keywords
- air
- jet orifice
- fume extractor
- collecting chamber
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of fume extractor, fume extractor includes cover body and air flow-producing device, cover body includes body and flue portion, flue portion connects body and is located at the upside of body, body is formed with smoke collecting chamber room, flue portion offers oil smoke passage, oil smoke channel connection smoke collecting chamber room, the outward flange of body offers jet orifice, jet orifice is around smoke collecting chamber room, the outward flange of body is formed with the curved surface of the inner surface of jet orifice in smoothing junction and smoke collecting chamber room, the jet exit direction of jet orifice is towards curved surface, air flow-producing device is used to be input into air-flow to body, jet orifice is used to that air-flow to be converted into jet and negative pressure region is formed with the outward flange of body through curved surface directive smoke collecting chamber room.The high velocity air for so being sprayed by jet orifice can form negative pressure region in the outward flange of body, air around body is inhaled toward gathering in smoke collecting chamber room so as to roll up, and finally enter in oil smoke passage, to discharge oil smoke, so expand the aspiration ranges of fume extractor.
Description
Technical field
The present invention relates to technical field of discharging fume, more particularly, to a kind of fume extractor.
Background technology
In correlation technique, the suction of fume extractor is concentrated mainly near the suction inlet at fume extractor center, is filled for smoke evacuation
The suction for putting edge is not enough, and oil smoke is easily escaped from the edge of fume extractor, and can be spread to user direction, so that smoke evacuation
The smoke exhaust efficiency of device is relatively low, also brings passive experience to user.
The content of the invention
It is contemplated that at least solving one of technical problem present in correlation technique.Therefore, the present invention needs offer one
Plant fume extractor.
The fume extractor of embodiment of the present invention includes cover body and air flow-producing device, and the cover body includes body and flue
Portion, the flue portion connects the body and is located at the upside of the body, and the body is formed with smoke collecting chamber room, the flue
Portion offers oil smoke passage, and smoke collecting chamber room described in the oil smoke channel connection, the outward flange of the body offers jet orifice, institute
Jet orifice is stated around the smoke collecting chamber room, the outward flange of the body is formed with the jet orifice in smoothing junction and the smoke collecting chamber
The curved surface of the inner surface of room, towards the curved surface, the air flow-producing device is used for defeated the jet exit direction of the jet orifice
Enter in air-flow to the body, the jet orifice is used to the air-flow is converted into jet and collects cigarette through described in the curved surface directive
Chamber forms negative pressure region with the outward flange of the body.
In the fume extractor of embodiment of the present invention, due to offering penetrating around smoke collecting chamber room in the outward flange of body
Head piece, the high velocity air for so being sprayed by jet orifice can form negative pressure region in the outward flange of body such that it is able to which volume inhales this
Air around body is finally entered in oil smoke passage toward gathering in smoke collecting chamber room, to discharge oil smoke, so expands smoke evacuation dress
The aspiration ranges put, and can prevent oil smoke from being escaped from the outward flange of fume extractor, so as to improve the smoke exhaust efficiency of fume extractor.
In one embodiment, the body offers air inlet and connection chamber, and the connection chamber connects the air inlet
Mouth and the jet orifice, the air-flow enter the connection chamber by the air inlet.
In one embodiment, the body offers gas channel, and the connection chamber connects the air inlet and institute
State gas channel, the gas channel connects the connection chamber and the jet orifice, the gas channel from the connection chamber to
The tapered change in jet orifice direction.
In one embodiment, the cover body includes the intake section of the upside for being arranged on the body, the intake section
With flue portion interval setting, the intake section offers import, inlet channel and communicating passage, the inlet channel connection
The import and the communicating passage, the communicating passage connect the inlet channel and the air inlet, the communicating passage
Changed from the inlet channel to air inlet direction flaring, the air flow-producing device includes blower fan, the inlet communication
The blower fan and the inlet channel.
In one embodiment, the number of the intake section is multiple, and the multiple intake section is evenly distributed on described
The surrounding of the upside of body.
In one embodiment, the fume extractor includes the inner surface and the oil of the smoke collecting chamber room in smoothing junction
The guide curve surface of the inner surface of cigarette channel, the guide curve surface is projecting inward to the fume extractor.
In one embodiment, the continual curvature of the guide curve surface.
In one embodiment, the tangential direction of the jet orifice and the curved surface for being connected to the jet orifice are cut
Line direction is consistent.
In one embodiment, the jet orifice is annularly opened in the outward flange of the body, and the jet orifice is
Slot-shaped jet orifice.
In one embodiment, the fume extractor includes smoke exhaust pipe and air extractor, and one end of the smoke exhaust pipe connects
The flue portion is met, the other end of the smoke exhaust pipe connects the air extractor.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to implementation method is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the floor map of the fume extractor of embodiment of the present invention.
Fig. 2 is the part isometric schematic diagram of the fume extractor of embodiment of the present invention.
Fig. 3 is the another part isometric schematic diagram of the fume extractor of embodiment of the present invention.
Fig. 4 is the partial plan view of the fume extractor of embodiment of the present invention.
Fig. 5 is the another partial plan view of the fume extractor of embodiment of the present invention.
Fig. 6 be Fig. 5 fume extractor along A-A to generalized section.
Fig. 7 is the fume extractor of Fig. 5 along the generalized section of B-B direction.
Main element symbol description：
Fume extractor 100；
Cover body 10；
Body 12, smoke collecting chamber room 121, jet orifice 122, curved surface 123, air inlet 124, connection chamber 125, gas channel 126,
Flue portion 14, oil smoke passage 141, outlet 141a, intake section 16, import 161, inlet channel 162, communicating passage 163, import
161st, inlet channel 162, communicating passage 163；
Air flow-producing device 20, blower fan 21；
Guide curve surface 30；
Air extractor 40, smoke exhaust pipe 41.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the implementation method is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The implementation method for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected.Can
Being to mechanically connect, or electrically connect.Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or two interaction relationships of element.For the ordinary skill in the art, can be with
Above-mentioned term concrete meaning in the present invention is understood as the case may be.
Also referring to Fig. 1~Fig. 7, the fume extractor 100 of embodiment of the present invention includes cover body 10 and gas stream generation apparatus
Put 20.
Cover body 10 includes body 12 and flue portion 14.Flue portion 14 connects body 12 and is located at the upside of body 12.Body
12 are formed with smoke collecting chamber room 121.Flue portion 14 offers oil smoke passage 141.The connection smoke collecting chamber of oil smoke passage 141 room 121.Body
12 outward flange offers jet orifice 122.Jet orifice 122 is around smoke collecting chamber room 121.The outward flange of body 12 is formed with smooth company
Connect the curved surface 123 of the inner surface of jet orifice 122 and smoke collecting chamber room 121.The jet exit direction of jet orifice 122 is towards curved surface 123.
Air flow-producing device 20 is used to be input into air-flow to body 12.Jet orifice 122 is used to for air-flow to be converted to jet and through curved surface 123
Directive smoke collecting chamber room 121 forms negative pressure region with the outward flange of body 12.
In the fume extractor 100 of embodiment of the present invention, due to being offered around smoke collecting chamber in the outward flange of body 12
The jet orifice 122 of room 121, the high velocity air for so being sprayed by jet orifice 122 can form negative pressuren zone in the outward flange of body 12
Domain such that it is able to which the air that volume is inhaled around body 12 is gathered toward smoke collecting chamber room 121 is interior, and finally enters in oil smoke passage 141, with
Discharge oil smoke, so expands the aspiration ranges of fume extractor 100, and can prevent oil smoke from escaping from the outward flange of fume extractor 100
Ease, so as to improve the smoke exhaust efficiency of fume extractor 100.
It is pointed out that due to air-flow by the outgoing of jet orifice 122 after, can be moved along curved surface 123, then can be by curved surface
123 inner surfaces for moving to smoke collecting chamber room 121, such air-flow can also be transported along the inner surface of curved surface 123 and smoke collecting chamber room 121
It is dynamic, so it is effectively reduced inner surface of the oil smoke in curved surface 123 and smoke collecting chamber room 121 and piles up, so as to ensures fume extractor 100
Clean cleaning.
In the present example, fume extractor 100 can be lampblack absorber.
In one embodiment, body 12 offers air inlet 124 and connection chamber 125.Connection chamber 125 connection air inlet
124 and jet orifice 122.Air-flow enters connection chamber 125 by air inlet 124.
In this way, after air-flow is entered connection chamber 125 by air inlet 124, connection chamber 125 can play buffer gas flow and expand gas
Flow the effect of scope, it is ensured that the scope by the air-flow of the outgoing of jet orifice 122 is larger.
In one embodiment, body 12 offers gas channel 126.The connection of connection chamber 125 air inlet 124 and air-flow
Passage 126.Gas channel 126 connection connection chamber 125 and jet orifice 122.Gas channel 126 is from connection chamber 125 to jet orifice 122
The tapered change in direction.
In this way, after air-flow enters gas channel 126 by connection chamber 125, air-flow can gradually add in gas channel 126
Speed, is then quickly sprayed by jet orifice 122 again, and the setting of the gas channel 126 of tapered change can both ensure by jet orifice 122
The speed of the jet of ejection is larger, can ensure that the jet sprayed by jet orifice 122 is more concentrated again.
In one embodiment, cover body 10 includes the intake section 16 of the upside for being arranged on body 12.Intake section 16 and cigarette
The interval setting of road portion 14.Intake section 16 offers import 161, inlet channel 162 and communicating passage 163.Inlet channel 162 is connected
Import 161 and communicating passage 163.Communicating passage 163 connects inlet channel 162 and air inlet 124.Communicating passage 163 is by air inlet
Passage 162 changes to the direction flaring of air inlet 124.Air flow-producing device 20 includes blower fan 21.Import 161 connects blower fan 21 and enters
Gas passage 162.
In this way, air-flow can be driven by blower fan 21 enters intake section 16 via import 161, and via inlet channel 162 and even
Circulation passage 163 and enter in body 12, while the communicating passage 163 of flaring change buffer gas flow speed and can expand into this
Airflow range in body 12, and then be conducive to the volume for expanding jet orifice 122 to inhale scope.
It is appreciated that in order to reduce the influence of noise produced when blower fan 21 works, fume extractor 100 may include communicating pipe
(not shown), communicating pipe connects blower fan 21 and import 161.
In one embodiment, the number of intake section 16 is multiple, and multiple intake sections 16 are evenly distributed on body 12
The surrounding of upside.
In this way, equally distributed multiple intake sections 16 enable by blower fan 21 drive the air-flow of generation more uniformly via
Intake section 16 and enter in body 12, so ensure that air flow method everywhere is more uniform in connection chamber 125, so as to ensure
By the stability and uniformity of the air-flow of the outgoing of jet orifice 122.
In embodiments of the present invention, body 12 is in rectangular-shape substantially, it will be understood that in order that obtaining dividing for intake section 16
Cloth is more reasonable, and corresponding with the shape of body 12, in one example, 4 intake sections 16, and 4 air inlets can be set
Portion 16 is along the setting of 14 circumferentially-spaced 90 degree of flue portion.
In one embodiment, fume extractor 100 includes the inner surface and oil smoke passage of smoke collecting chamber room 121 in smoothing junction
The guide curve surface 30 of 141 inner surface.Guide curve surface 30 is projecting inward to the fume extractor 100.
In this way, first being moved along curved surface 123 by the air-flow of the outgoing of jet orifice 122, then collection cigarette can be moved to by curved surface 123
The inner surface of chamber 121, and in motion process, volume inhales the air and oil smoke of surrounding, then in the lump with air and oil smoke
By moving to guide curve surface 30, due to the inner surface of the smoke collecting chamber room 121 in smoothing junction of guide curve surface 30, so covered by jet
The inner surface of the smoke collecting chamber room 121 of the fume extractor 100 and inner surface of oil smoke passage 141 is more difficult is adhered to by oil smoke, so that can
Ensure the cleaning of the inner surface of the inner surface and oil smoke passage 141 of the smoke collecting chamber room 121 of fume extractor 100, while can effectively prevent
The only escape of oil smoke.
In one embodiment, the continual curvature of guide curve surface 30.In this way, the resistance that jet is moved along guide curve surface 30
It is smaller, such jet be not easy to depart from guide curve surface 30 so that ensure jet sustainably moved along guide curve surface 30 and by
This enters in oil smoke passage 141.
In in some examples, guide curve surface 30 is for the combination of arc surface, elliptical arc surface, arc surface and elliptical arc surface or by non-
The curved surface that uniform rational B-spline curve is constituted.In this way, guide curve surface 30 can realize preferably air flow guiding effect.
In one embodiment, the tangent line of the tangential direction of jet orifice 122 and the curved surface 123 for being connected to jet orifice 122
Direction is consistent.
In this way, more swimmingly can be moved along curved surface 123 by the jet that jet orifice 122 sprays, and around curved surface 123
Form jet entrainment effect.
It is appreciated that in order to reduce the resistance that jet is moved along curved surface 123, making jet be not easy to depart from curved surface 123, can make
The continual curvature of curved surface 123.
In in some examples, curved surface 123 for arc surface, elliptical arc surface, arc surface and elliptical arc surface combination or by it is non-
The curved surface that even Rational B Spline Curve is constituted.In this way, curved surface 123 can realize preferably air flow guiding effect.
In one embodiment, the outward flange for being opened in body 12 annular in shape of jet orifice 122, jet orifice 122 is gap
Shape jet orifice.
In this way, formed in the outward flange of body 12 by the jet entrainment effect that the jet of the outgoing of jet orifice 122 is formed closing
The negative pressure region air curtain of ring, coverage is wider, and increased fume extractor 100 holds together cigarette scope.
In one embodiment, the width range of the opening of jet orifice 122 is in 0.5~5mm.In this way, jet orifice 122
The width of opening is moderate, it is ensured that the speed of air-flow is sprayed by jet orifice 122.For example, the width of the opening of jet orifice 122 is optional
Select the numerical value such as 0.5mm, 1.5mm, 2mm or 5mm.
In one embodiment, fume extractor 100 includes air extractor 40 and smoke exhaust pipe 41.One end of smoke exhaust pipe 41 connects
Cigarette receiving road portion 14.The other end connection air extractor 40 of smoke exhaust pipe 41.
In this way, air extractor 40 can further overcome the outside of fume extractor 100 smoke evacuation resistance, so as to ensure fume extractor
100 smoke discharging effect.
Specifically, in embodiments of the present invention, one end of smoke exhaust pipe 41 connects the outlet 141a of oil smoke passage 141.Take out
Device of air 40 for example can be blower fan.
Fig. 6 and Fig. 7 is referred to, in the present example, the high velocity air that blower fan 21 is produced first enters air inlet by import 161
In passage 162, communicating passage 163 is then entered back into, then entered in connection chamber 125 by air inlet 124 again, it is then logical in air-flow
Ramped up in road 126, then by the outgoing of jet orifice 122 to form jet, by the jet after the outgoing of jet orifice 122 before this along
Curved surface 123 is moved, and can in the lump roll up the air and oil smoke inhaled around body 12 toward gathering in smoke collecting chamber room 121, and then air-flow can
Via the inner surface movement of smoke collecting chamber room 121 to guide curve surface 30, and can be moved along guide curve surface 30 and enter oil smoke passage
In 141, finally discharged by the outlet 141a of oil smoke passage 141 again, the flow path such as Fig. 6 for the air-flow that fume extractor 100 is formed
And shown in the dotted arrow of Fig. 7.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different implementation methods or example is used for realizing different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between discussed various implementation methods itself not being indicated and/or being set
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " implementation method ", " some implementation methods ", " schematically implementation
It is specific that the description of mode ", " example ", " specific example " or " some examples " etc. means to combine implementation method or example is described
Feature, structure, material or feature are contained at least one implementation method of the invention or example.In this manual, it is right
The schematic representation of above-mentioned term is not necessarily referring to identical implementation method or example.And, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in one or more any implementation methods or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These implementation methods can be carried out with various changes, modification, replacement in the case of not departing from principle of the invention and objective and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (10)
1. a kind of fume extractor, it is characterised in that including：
Cover body, the cover body includes body and flue portion, and the flue portion connects the body and is located at the upside of the body,
The body is formed with smoke collecting chamber room, and the flue portion offers oil smoke passage, smoke collecting chamber room described in the oil smoke channel connection,
The outward flange of the body offers jet orifice, and the jet orifice is formed around the smoke collecting chamber room, the outward flange of the body
There are the curved surface of the inner surface of the jet orifice in smoothing junction and the smoke collecting chamber room, the jet exit direction direction of the jet orifice
The curved surface；
Air flow-producing device, the air flow-producing device is used to be input into air-flow to the body, and the jet orifice is used for institute
Air-flow is stated to be converted to jet and form negative pressure region with the outward flange of the body through smoke collecting chamber room described in the curved surface directive.
2. fume extractor as claimed in claim 1, it is characterised in that the body offers air inlet and connection chamber, described
The connection of connection the chamber air inlet and the jet orifice, the air-flow enter the connection chamber by the air inlet.
3. fume extractor as claimed in claim 2, it is characterised in that the body offers gas channel, the connection chamber
The air inlet and the gas channel are connected, the gas channel connects the connection chamber and the jet orifice, the air-flow
Passage is from the connection chamber to the tapered change in jet orifice direction.
4. fume extractor as claimed in claim 2, it is characterised in that the cover body includes being arranged on the upside of the body
Intake section, the intake section and flue portion interval setting；
The intake section offers import, inlet channel and communicating passage, and the inlet channel connects the import and the company
Circulation passage, the communicating passage connects the inlet channel and the air inlet, the communicating passage from the inlet channel to
Air inlet direction flaring change；
The air flow-producing device includes blower fan, blower fan described in the inlet communication and the inlet channel.
5. fume extractor as claimed in claim 4, it is characterised in that the number of the intake section is multiple, it is the multiple enter
Gas portion is evenly distributed on the surrounding of the upside of the body.
6. fume extractor as claimed in claim 1, it is characterised in that the fume extractor includes the smoke collecting chamber in smoothing junction
The guide curve surface of the inner surface of room and the inner surface of the oil smoke passage, the guide curve surface is projecting inward to the fume extractor.
7. fume extractor as claimed in claim 6, it is characterised in that the continual curvature of the guide curve surface.
8. fume extractor as claimed in claim 1, it is characterised in that the tangential direction of the jet orifice be connected to described penetrating
The tangential direction of the curved surface of head piece is consistent.
9. fume extractor as claimed in claim 1, it is characterised in that the jet orifice is annularly opened in the outer of the body
Edge, the jet orifice is slot-shaped jet orifice.
10. fume extractor as claimed in claim 1, it is characterised in that the fume extractor includes smoke exhaust pipe and air extractor,
One end of the smoke exhaust pipe connects the flue portion, and the other end of the smoke exhaust pipe connects the air extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183648.2A CN106765388B (en) | 2016-12-20 | 2016-12-20 | Fume extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183648.2A CN106765388B (en) | 2016-12-20 | 2016-12-20 | Fume extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106765388A true CN106765388A (en) | 2017-05-31 |
| CN106765388B CN106765388B (en) | 2019-07-02 |
Family
ID=58895772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183648.2A Active CN106765388B (en) | 2016-12-20 | 2016-12-20 | Fume extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106765388B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105160A (en) * | 2017-12-29 | 2018-06-01 | 广东海信家电有限公司 | A kind of spiral case of centrifugal blower, centrifugal blower and range hood |
| CN110186084A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | A kind of upper discharging type oil smoke machine inlet end air draught auxiliary device |
| CN110186085A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | Kitchen ventilator with air inlet auxiliary device |
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| US3880062A (en) * | 1973-11-08 | 1975-04-29 | Aero Dyne Manufacturing Inc | Hood |
| CN2177882Y (en) * | 1993-10-30 | 1994-09-21 | 金虎仁 | Rolling suction type fume extractor |
| CN101858613A (en) * | 2010-07-21 | 2010-10-13 | 林小冬 | Jet flow type smoke exhaust ventilator and fluidic generator thereof |
| CN202630183U (en) * | 2012-05-04 | 2012-12-26 | 张春运 | Range hood |
| CN105020757A (en) * | 2014-04-29 | 2015-11-04 | 宁波方太厨具有限公司 | Extractor hood fan structure capable of forming man-made tornado |
| CN106091055A (en) * | 2016-06-24 | 2016-11-09 | 杨德红 | Novel cooking fume exhauster |
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2016
- 2016-12-20 CN CN201611183648.2A patent/CN106765388B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880062A (en) * | 1973-11-08 | 1975-04-29 | Aero Dyne Manufacturing Inc | Hood |
| CN2177882Y (en) * | 1993-10-30 | 1994-09-21 | 金虎仁 | Rolling suction type fume extractor |
| CN101858613A (en) * | 2010-07-21 | 2010-10-13 | 林小冬 | Jet flow type smoke exhaust ventilator and fluidic generator thereof |
| CN202630183U (en) * | 2012-05-04 | 2012-12-26 | 张春运 | Range hood |
| CN105020757A (en) * | 2014-04-29 | 2015-11-04 | 宁波方太厨具有限公司 | Extractor hood fan structure capable of forming man-made tornado |
| CN106091055A (en) * | 2016-06-24 | 2016-11-09 | 杨德红 | Novel cooking fume exhauster |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105160A (en) * | 2017-12-29 | 2018-06-01 | 广东海信家电有限公司 | A kind of spiral case of centrifugal blower, centrifugal blower and range hood |
| CN108105160B (en) * | 2017-12-29 | 2020-06-19 | 广东海信家电有限公司 | Volute of centrifugal fan, centrifugal fan and range hood |
| CN110186084A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | A kind of upper discharging type oil smoke machine inlet end air draught auxiliary device |
| CN110186085A (en) * | 2019-05-16 | 2019-08-30 | 浙江工业大学 | Kitchen ventilator with air inlet auxiliary device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106765388B (en) | 2019-07-02 |
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