CN104981612B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN104981612B CN104981612B CN201380072697.7A CN201380072697A CN104981612B CN 104981612 B CN104981612 B CN 104981612B CN 201380072697 A CN201380072697 A CN 201380072697A CN 104981612 B CN104981612 B CN 104981612B
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- mentioned
- step portion
- impeller
- circumferentially
- opposed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
An air conditioner is configured so as to reduce air flow noise. An air conditioner is provided with: a cross flow fan (10) which has impellers (12) arranged side by side in the axial direction, the impellers (12) individually having blades (15) arranged in the circumferential direction; and a rear guider (20) and a stabilizer (32), which are arranged on both sides of the outer periphery of the fan (10) and form air flow passages. The front end of the rear guider (20) has a multi-stepped shape having stepped sections (25, 26) which are displaced in the circumferential direction of the fan (10). The stepped sections (25, 26) include at least one first stepped section (26) which faces the portion of an impeller (12) which is located between the ends of the impeller (12) in the axial direction. The front end of the stabilizer (32) has a multi-stepped shape having stepped sections (39, 40) which are displaced in the circumferential direction of the fan (10). The stepped sections (39, 40) include at least one first stepped section (40) which faces the portion of an impeller (12) which is located between the ends of the impeller (12) in the axial direction.
Description
Technical field
The present invention relates to possessing the air conditioner of cross flow fan.
Background technology
Cross flow fan is the pressure fan with the multiple blades axially extending and arranging in a rotational direction.It is applied to sky
The cross flow fan of tune machine links multiple cross flow fans using by axially aligned for the impeller with multiple blades.In tool
In the air conditioner of standby cross flow fan, it is configured with regulator and rear guiding piece in the both sides of the peripheral part of fan.Regulator is referred to as
Front tongue, is referred to as rear tongue from the top ends of rear guiding piece to fan closest to portion.These tongues constitute the blowout side of fan
Ventilation path.Additionally, producing vortex air flow between tongue and fan, when the blade of fan passes through in this vortex air flow, due to whirlpool
Air-flow is interfered with blade and is produced wind noise (NZ sound).
In order to reduce this wind noise, in the past, circumferentially staggered by the position of the blade each other by adjacent impeller or changed
Become the shape of tongue, so that producing the opportunity dispersion of wind noise.
To reduce the example of wind noise as the shape changing tongue, in such as patent documentation 1, to be directed to each impeller
Front tongue and the immediate position with fan of rear tongue is made to stagger along rotation direction of principal axis.That is, front tongue and rear tongue with
The opposed position of impeller linking part each other has stage portion.According to this structure, blade is made to lead to due to being directed to each impeller
The opportunity crossing the top of front tongue or rear tongue staggers, and the opportunity therefore producing wind noise is dispersed, and wind noise reduces.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Application 62-118094 publication
Content of the invention
Invention problem to be solved
But, in the air conditioner of patent documentation 1, make due to being directed to each impeller blade pass through front tongue or after
The opportunity on the top of tongue staggers, thus while wind noise can to a certain degree be reduced, but one piece of leaf due to an impeller
The opportunity that piece passes through the top of front tongue or rear tongue is identical, therefore reduces noise effects insufficient.
Therefore, it is an object of the invention to, the air conditioner that can reduce wind noise further is provided.
Means for solving the problems
The air conditioner of a first aspect of the present invention is characterised by, this air conditioner possesses：Cross flow fan, it is axially aligned
Be configured with multiple impellers, the plurality of impeller is respectively provided with the multiple blades circumferentially arranging；And regulator and rear guiding
Part, they configure and form ventilation path in the both sides of the peripheral part of above-mentioned cross flow fan, aforementioned stable device and above-mentioned rear guiding piece
In the top ends of at least one party be the multistage shape with the multiple stage portion being circumferentially offset along above-mentioned cross flow fan, above-mentioned
Multiple stage portion include at least one first step portion opposed with the axial middle part of above-mentioned impeller, adjacent two above-mentioned leaves
The above-mentioned blade of wheel circumferentially deviates the configuration of predetermined angular ground each other, on from axial one end towards the direction of the other end, above-mentioned
First step portion offset direction circumferentially is the above-mentioned blade deviation side circumferentially each other with adjacent two above-mentioned impellers
In the opposite direction.
In this air conditioner, due to the axial direction with impeller of the top ends of at least one party in regulator and rear guiding piece
The opposed position of middle part has the first step portion circumferentially deviateing, therefore, it is possible to make one piece of blade pass through regulator or after
The opportunity on the top of guiding piece is staggered with first step portion as boundary.Therefore, wind noise will not be produced by one piece of blade simultaneously,
Wind noise can be produced with staggering.Therefore, it is possible to reduce wind noise.And, the blade edge each other due to two adjacent impellers
Configure with being circumferentially offset predetermined angular, on from axial one end towards the direction of the other end, the deviation circumferentially of first step portion
Direction is the blade contrary direction of offset direction circumferentially each other with adjacent two impellers, therefore, it is possible to from crossing current wind
Axial one end of fan produces wind noise with sequentially staggering towards the other end.Thereby, it is possible to suppress to produce between each stage portion
The interference of wind noise directivity, can indoors whole region be effectively realized quiet.
The air conditioner of a second aspect of the present invention is characterised by, in the invention of first aspect, above-mentioned multiple stage portion
Including the second step portion that the linking portion each other with above-mentioned impeller is opposed.
In this air conditioner, due to the top ends in regulator or rear guiding piece and impeller linking portion pair each other
The position put has the second step portion circumferentially deviateing, therefore, it is possible to will produce the opportunity mistake of wind noise for each impeller
Open, can more reduce wind noise.
The air conditioner of a third aspect of the present invention is characterised by, first or second aspect invention in, adjacent
The height of the part between two above-mentioned stage portion is fixed in the axial direction.
In this air conditioner, due to the portion between adjacent two stage portion of the top ends of regulator or rear guiding piece
Divide and linearly extend vertically, therefore easy to manufacture regulator or rear guiding piece.
The air conditioner of a fourth aspect of the present invention is characterised by, in the invention of the third aspect, above-mentioned multiple stage portion
Including：Plural above-mentioned first step portion, they are opposed respectively with the axial middle part of adjacent two above-mentioned impellers；With
Second step portion, itself and this two impellers linking portion each other is opposed, on from axial one end towards the direction of the other end, on
Stating first step portion offset direction circumferentially is the contrary direction of offset direction circumferentially with above-mentioned second step portion, above-mentioned
The shape of scope opposed with above-mentioned two adjacent impellers and highly mutually the same in top ends.
In this air conditioner, because the top ends in regulator or rear guiding piece are opposed with adjacent two impellers
In the range of be respectively provided with first step portion, and the shape of the scope opposed with this two impellers and highly mutually the same.Therefore,
Easy to manufacture regulator or rear guiding piece.Furthermore it is possible to make the height of the top ends of regulator or rear guiding piece on the whole
Roughly the same.
The air conditioner of a fifth aspect of the present invention is characterised by, in the invention of the third aspect, above-mentioned multiple stage portion
Including two second step portions, described two second step portions are opposed with linking portion, and this linking portion is and above-mentioned First
Linking portion between the opposed above-mentioned impeller in rank portion and the above-mentioned impeller of its both sides, from axial one end towards the side of the other end
Upwards, above-mentioned first step portion offset direction circumferentially is the contrary side of offset direction circumferentially with above-mentioned second step portion
To above-mentioned second step portion deviation angle circumferentially is less than above-mentioned predetermined angular.
In this air conditioner, because the offset direction in first step portion and second step portion is rightabout, deviate regulation
Angle and the blade that configures offset direction each other is the direction contrary with the offset direction in first step portion, second step portion
Deviation angle is less than above-mentioned predetermined angular, therefore, it is possible to two wind noises making to produce with staggering with first step portion as boundary
The direction of staggering of time is identical with the direction of staggering of the time of two wind noises producing with staggering with second step portion as boundary.
Therefore, it is possible to produce wind noise with sequentially staggering towards the other end from axial one end of cross flow fan.Thereby, it is possible to suppress
Between each stage portion produce the interference of wind noise directivity, can indoors whole region be effectively realized quiet.
The air conditioner of a sixth aspect of the present invention is characterised by, in the invention of the 5th aspect, above-mentioned first step portion
Deviation angle circumferentially is identical with following value：Above-mentioned predetermined angular is divided by the axle of the above-mentioned impeller opposed with this first step portion
To in the range of above-mentioned first step portion quantity on Jia 1 value obtained from be worth, the deviation circumferentially of above-mentioned second step portion
The aggregate value of angle deviation angle circumferentially with the above-mentioned first step portion being in above-mentioned axial range is identical.
In this air conditioner, two wind noises being produced with staggering with first step portion as boundary are staggered first step portion
(blade deviation angle (above-mentioned predetermined angular) each other is divided by the first step portion in the axial range of impeller for deviation angle
Value obtained from the value Jia 1 in quantity) and produce, two producing with staggering with second step portion as boundary wind noise stagger from
Blade deviation angle (above-mentioned predetermined angular) each other deduct the deviation angle in second step portion obtained by angle and produce.Cause
This, can make the staggering time of produce with staggering two wind noises with first step portion as boundary and with second step portion as boundary
And the staggering time of two wind noises producing with staggering is identical.Therefore, the present invention can obtain and be not provided with first step portion
And increase the quantity of impeller in the way of the linking portion of impeller is opposed in the position in the first step portion being equivalent to the present invention
The same muting function of situation.The present invention is able to maintain that quiet performance and increases the length of blade of impeller to reduce conversely speaking,
Impeller quantity.Further, since the quantity of the linking portion of the impeller becoming flowing resistance can be reduced, therefore, it is possible to improve air-supply
Characteristic.
Invention effect
As described in as described above, in accordance with the invention it is possible to obtain following effect：
In the invention of first aspect, due to the top ends of at least one party in regulator and rear guiding piece and impeller
The opposed position of axial middle part there is the first step portion circumferentially deviateing, therefore, it is possible to make one piece of blade pass through regulator
Or the opportunity on the top of rear guiding piece is staggered with first step portion as boundary.Therefore, will not be produced by one piece of blade simultaneously
Wind noise, can produce wind noise with staggering.Therefore, it is possible to reduce wind noise.And, the blade due to two adjacent impellers
Circumferentially deviate the configuration of predetermined angular ground each other, on from axial one end towards the direction of the other end, first step portion is circumferentially
Offset direction be the blade contrary direction of offset direction circumferentially each other with adjacent two impellers, therefore, it is possible to from
Axial one end of cross flow fan produces wind noise with sequentially staggering towards the other end.Thereby, it is possible to suppress each stage portion it
Between produce the interference of wind noise directivity, can indoors whole region be effectively realized quiet.
In the invention of second aspect, due to the link each other of the top ends in regulator or rear guiding piece and impeller
Partly opposed position has the second step portion circumferentially deviateing, therefore, it is possible to for each impeller by produce wind noise when
Machine staggers, and can more reduce wind noise.
In the invention of the third aspect, due to regulator or rear guiding piece top ends adjacent two stage portion it
Between part linearly extend vertically, therefore easy to manufacture regulator or rear guiding piece.
In the invention of fourth aspect, due to the top ends in regulator or rear guiding piece and adjacent two impellers
It is respectively provided with first step portion in opposed scope, and the shape of the scope opposed with this two impellers and height phase each other
With.Therefore, easy to manufacture regulator or rear guiding piece.Furthermore it is possible to make the height of the top ends of regulator or rear guiding piece
Degree is roughly the same on the whole.
In the invention of the 5th aspect, because the offset direction in first step portion and second step portion is rightabout, partially
The blade configuring from predetermined angular offset direction each other is the direction contrary with the offset direction in first step portion, second
The deviation angle in rank portion is less than above-mentioned predetermined angular, therefore, it is possible to make two wind producing with staggering with first step portion as boundary
Stagger direction and the side of staggering of the time of two wind noises producing with staggering with second step portion as boundary of the time of noise
To identical.Therefore, it is possible to produce wind noise with sequentially staggering towards the other end from axial one end of cross flow fan.Thus, energy
The directivity of the interference of wind noise that enough suppression produce between each stage portion, can indoors whole region be effectively realized quiet
Sound.
In the invention of the 6th aspect, two wind noises being produced with staggering with first step portion as boundary are staggered First
(blade deviation angle (above-mentioned predetermined angular) each other is divided by the First in the axial range of impeller for the deviation angle in rank portion
Value obtained from the value Jia 1 in the quantity in rank portion) and produce, two producing with staggering with second step portion as boundary wind noise
The angle obtained by deviation angle (above-mentioned predetermined angular) each other deducts the deviation angle in second step portion from blade of staggering and
Produce.Therefore, it is possible to make the staggering time of two wind noises producing with staggering with first step portion as boundary with second
The staggering time of two wind noises that rank portion produces with staggering for boundary is identical.Therefore, the present invention can obtain and be not provided with the
One stage portion and increase impeller in the position in the first step portion being equivalent to the present invention in the way of the linking portion of impeller is opposed
Quantity the same muting function of situation.Conversely speaking, the present invention be able to maintain that quiet performance and increase impeller blade long
Spend and to reduce impeller quantity.Further, since the quantity of the linking portion of the impeller becoming flowing resistance can be reduced, therefore, it is possible to
Improve Diffusion performance.
Brief description
Fig. 1 is the stereoscopic figure of the indoor set of the air conditioner of embodiments of the present invention.
Fig. 2 is the sectional view of indoor set.
Fig. 3 is the axonometric chart of cross flow fan.
Fig. 4 is the enlarged partial isometric view near the cross flow fan in indoor set.
Fig. 5 is the figure near the cross flow fan in machine in the observation ward of front.
Fig. 6 is the figure near the cross flow fan in indoor set viewed from above.
Fig. 7 is along the partial enlarged drawing near the rear guiding piece of the sectional view of the line A-A in Fig. 5 and Fig. 6.
Fig. 8 is the axonometric chart of the tip side part of rear guiding piece.
Fig. 9 is along the partial enlarged drawing near the regulator of the sectional view of the line A-A in Fig. 5 and Fig. 6.
Figure 10 is the axonometric chart of front guiding piece.
Figure 11 is the partial enlarged drawing in Fig. 6.
Figure 12 is partial enlargement during rear guiding piece and the cross flow fan of other embodiments of the present invention viewed from above
Figure.
Figure 13 is the axonometric chart of the rear guiding piece of other embodiments of the present invention.
Figure 14 is the axonometric chart of the front guiding piece of other embodiments of the present invention.
Specific embodiment
Below, embodiments of the present invention are illustrated.
As shown in figure 1, the indoor set 1 of the air conditioner of present embodiment has on the whole along the elongated shape in a direction
Shape, is installed on the wall of interior in the way of its length direction becomes level.Indoor set 1 is together constituted with off-premises station (not shown)
Air conditioner, carries out the refrigeration of interior and heats.
In addition, in the following description, the direction projecting from the wall installing indoor set 1 is referred to as " front ", it is contrary
Direction be referred to as " rear ".Additionally, the left and right directions shown in Fig. 1 is referred to as " left and right directions ".
As shown in Fig. 2 indoor set 1 possesses：Shell 2；With the heat exchanger 3 being contained in shell 2, cross flow fan 10, mistake
The internal unit such as filter 4 and electric part box (omitting diagram).It is formed with suction inlet 2a in the upper surface of shell 2, in shell 2
Lower surface is formed with blow-off outlet 2b.It is configured with horizontal baffle 5 in the vicinity of blow-off outlet 2b, this horizontal baffle 5 carries out above-below direction
The adjustment of wind direction and blow-off outlet 2b opening and closing.
Cross flow fan 10 (below, referred to as fan 10) is configured to it axially along left and right directions, and it is to arrow institute in Fig. 2
The direction showing rotates, and before and after fan 10, both sides are configured with the front guiding piece 30 forming ventilation path and rear guiding piece (tongue afterwards)
20.The upside substantially half of front guiding piece 30 is made up of regulator (front tongue) 32.Due to being configured with surely in the both sides of fan 10
Determine device 32 and rear guiding piece 20, therefore, fan 10 draws air into and the blowout of downward rear from upper front.Additionally, heat exchanger 3
It is configured to the front around fan 10 and top.In operation of air conditioner, room air is made from suction by the driving of fan 10
Mouth 2a is inhaled into, and the air being inhaled into is blown from blow-off outlet 2b after being heated or cooled in heat exchanger 3.
Below, fan 10, rear guiding piece 20 and front guiding piece 30 are described in detail.
[fan]
As shown in figure 3, fan 10 by axially (left and right directions) be arranged multiple (be 6 in the present embodiment
Individual) impeller 12 and end plate 11 constitute.
End plate 11 constitutes the right part of fan 10, and the central part on the right surface of end plate 11 has been protrusively provided boss portion
11a, this boss portion 11a is linked with the rotary shaft of the motor (omitting diagram) driving fan 10.
5 impeller 12A on the right side in 6 impellers 12 by the multiple blades 15 circumferentially arranging and with multiple blades 15
Left end link substantially circular gripper shoe 13 constitute, blade 15 and gripper shoe 13 are integrally formed.The blade 15 of impeller 12A
Right-hand member engaged with the gripper shoe 13 of adjacent end plate 11 or impeller 12A by welding etc..
The impeller 12B in the leftmost side for the configuration in 6 impellers 12 by the multiple blades 15 circumferentially arranging and with multiple
The substantially discoid end plate 14 that the left end of blade 15 links is constituted, and blade 15 and end plate 14 are integrally formed.The blade of impeller 12B
15 right-hand member is engaged with the gripper shoe 13 of adjacent impeller 12A by welding etc..Central part in the left surface of end plate 14 is dashed forward
It is provided with the axle (omitting diagram) being rotatably supported on bearing (omitting diagram) with going out, described bearing is arranged at shell 2.
Axially (left and right directions) extends multiple blades 15 of impeller 12, is arranged in the way of the wing angle with regulation
Advance wing structure.The axial length all same of the blade 15 of 5 impeller 12A, and be the axial length of the blade 15 of impeller 12B
Substantially 2 times.In the present embodiment, multiple blades 15 of impeller 12 circumferentially press unequal-interval configuration.6 impellers 12
The arrangement pitches all same of blade 15.In addition, multiple blades 15 can also be arranged as equidistant.
As shown in figure 4, respective multiple blades 15 of adjacent two impellers 12 are configured to circumferentially deviate.Concrete and
Speech, blade 15 with respect to the impeller 12 adjacent with the left side of this blade 15 blade 15 and along the direction of rotation (arrow in Fig. 4
Direction) deviation angle θ.That is, respective multiple blades 15 of 6 impellers 12 respectively deviate with towards the right along direction of rotation
Angle, θ.
[guiding piece afterwards]
Guiding piece 20 configures at the rear of fan 10 afterwards, and the lower end of rear guiding piece 20 and blow-off outlet 2b link (with reference to Fig. 2).
As shown in Figure 5 and Figure 6, the left and right directions length of rear guiding piece 20 and the left and right directions same length of fan 10, guide afterwards
The substantially whole region of the left and right directions in fan 10 for the part 20 is opposed with fan 10.The upper end of guiding piece 20 is in a little higher than wind afterwards
The position (with reference to Fig. 2 and Fig. 6) of the upper end of fan 10.
As shown in Fig. 2 after guiding piece 20 the face opposed with fan 10 in remove the part in upper and lower ends portion by substantially justifying
The flexure plane 21 of arcuation is constituted.More upward, flexure plane 21 and the distance of separation (beeline) of the peripheral part of fan 10 become
Must be less.
Additionally, there is jut 22 in the position of the ratio flexure plane 21 (tip side) by the top of rear guiding piece 20.Jut
22 cross sectional shape vertical with left and right directions is formed as the substantially arc-shaped heaved to the side contrary with fan 10.More direction
Top, jut 22 becomes bigger with the distance of separation (beeline) of the peripheral part of fan 10.As described above, more towards upper
Side, flexure plane 21 becomes less with the distance of separation (beeline) of the peripheral part of fan 10, and therefore, rear guiding piece 20 is in projection
Border 20a (hereinafter, referred to as closest to the position 20a) place of the upper end of the lower end in portion 22 and flexure plane 21 is closest to fan 10.
As shown in figure 8, jut 22 is made up of the cutting plate 23,24 being alternately arranged in left-right direction.Jut 22 is by 6
Individual cutting plate 23 and 5 cutting plates 24 are formed.
Cutting plate 23,24 linearly extends respectively in left-right direction, and cutting plate 23 and cutting plate 24 are along the week of fan 10
To deviation angle α 1 (with reference to Fig. 7).The cross sectional shape vertical with left and right directions of cutting plate 23 and cutting plate 24 and right and left
Roughly the same to vertical cross sectional shape.The height all same of the upper end of 6 cutting plates 23.Additionally, the upper end of 5 cutting plates 24
Height all same.
In 6 cutting plates 23, the left and right directions identical length of 5 cutting plates 23 on right side is same, and is the leaf of impeller 12A
The substantially half of the left and right directions length of piece 15.Additionally, the leaf of the left and right directions length of the cutting plate 23 of the leftmost side and impeller 12B
The left and right directions same length of piece 15.The left and right directions identical length of 5 cutting plates 24 is same, and is the leaf of impeller 12A
The substantially half of the left and right directions length of piece 15.
Will be formed in the top (upper end) of cutting plate 24 and the step conduct on the border on the top of cutting plate 23 on the left of it
Stage portion (second step portion) 25, will be formed in the top of cutting plate 24 and the platform on the border on the top of cutting plate 23 on the right side of it
Rank is as stage portion (first step portion) 26.Stage portion 25 offset direction circumferentially is deviation side circumferentially with stage portion 26
In the opposite direction.Linking portion (gripper shoe 13) each other is opposed with impeller 12 for stage portion 25, stage portion 26 and impeller 12
Left and right directions substantially central portion is opposed.
As shown in figure 11, cutting plate 23 with respect to the cutting plate 24 on the left of it to the direction of rotation (Figure 11 with fan 10
In the direction of arrow) contrary direction deviation angle α 1.That is, when observing from left to right, stage portion 26 is to the rotation with fan 10
Turn direction deviation angle α 1 in opposite direction, when observing from left to right, stage portion 25 is to the direction of rotation deflecting angle of fan 10
Degree α 1.Therefore, the offset direction of 2 pieces of blades 15 of the deviation angle θ of two adjacent impellers 12 and stage portion 25 be circumferentially
Offset direction is identical, and is the contrary direction of offset direction circumferentially with stage portion 26.Additionally, in the present embodiment,
Angle [alpha] 1 is the value of the blade 15 substantially half of deviation angle θ each other of adjacent 2 impeller 12.
[front guiding piece]
Front guiding piece 30 configures in the front of fan 10, and the lower end of front guiding piece 30 and blow-off outlet 2b link (with reference to Fig. 2).
Front guiding piece 30 by with fan 10 be opposed to configure regulator 32 and the lower end from regulator 32 to blow-off outlet 2b front wall portion
31 compositions.
As shown in Figure 5 and Figure 6, the left and right directions same length of the left and right directions length of regulator 32 and fan 10,
And the substantially whole region of the left and right directions in fan 10 for the regulator 32 is opposed with fan 10.Additionally, the upper end of regulator 32
It is in the position (with reference to Fig. 2 and Fig. 5) lower than the center of fan 10.
As shown in figure 9, removing the part in upper and lower ends portion in the face opposed with fan 10 of regulator 32 by substantially circular arc
The flexure plane 33 of shape is constituted.More upward, flexure plane 33 and the distance of separation (beeline) of the peripheral part of fan 10 become
Less.Additionally, regulator 32 has the flexure plane 34 from the lower end of flexure plane 33 towards substantially front bending.Under flexure plane 34
End is linked with front wall portion 31.
Additionally, regulator 32 has：The end face 35 of flat condition, it extends to inferoanterior from the upper end of flexure plane 33；With convex
Portion 36, its configuration projects upward in the front of end face 35 and than end face 35.Guiding piece 20 after protuberance 36 and end face 35 composition
Upper end.Regulator 32 is outer closest to fan 10 at upper end 32a (hereinafter, referred to as closest to the position 32a) place of flexure plane 33
All portions.
As shown in Figure 10, regulator 32 (protuberance 36, end face 35, flexure plane 33, flexure plane 34) is by replacing in left-right direction
The cutting plate 37,38 of ground arrangement is constituted.Regulator 32 is formed by 6 cutting plates 37 and 5 cutting plates 38.
Cutting plate 37,38 linearly extends respectively in left-right direction, and cutting plate 37 and cutting plate 38 are along the week of fan 10
To deviation angle β 1 (with reference to Fig. 9).The cross sectional shape vertical with left and right directions of cutting plate 37 and cutting plate 38 and right and left
Roughly the same to vertical cross sectional shape.The height all same of the upper end of 6 cutting plates 37.Additionally, the upper end of 5 cutting plates 38
Height all same.
In 6 cutting plates 37, the left and right directions identical length of 5 cutting plates 37 on right side is same, and is the leaf of impeller 12A
The substantially half of the left and right directions length of piece 15.Additionally, the leaf of the left and right directions length of the cutting plate 37 of the leftmost side and impeller 12B
The left and right directions same length of piece 15.The left and right directions identical length of 5 cutting plates 38 is same, and is the leaf of impeller 12A
The substantially half of the left and right directions length of piece 15.
Will be formed in cutting plate 38 with its on the left of the border of cutting plate 37 step as stage portion (second step portion)
39, will be formed in cutting plate 38 with its on the right side of the border of cutting plate 37 step as stage portion (first step portion) 40.Platform
Rank portion 39 offset direction circumferentially is the contrary direction of offset direction circumferentially with stage portion 40.Stage portion 39 and impeller 12
Linking portion (gripper shoe 13) each other is opposed, and stage portion 40 is opposed with the left and right directions substantially central portion of impeller 12.
As shown in figure 5, cutting plate 37 with respect to the cutting plate 38 on the left of it to contrary with the direction of rotation of fan 10
Direction deviation angle β 1.That is, when observing from left to right, stage portion 40 deviates to the direction contrary with the direction of rotation of fan 10
Angle beta 1, when observing from left to right, stage portion 39 is to the direction of rotation deviation angle β 1 of fan 10.Therefore, adjacent two
Offset direction circumferentially is identical with stage portion 39 for the offset direction of 2 pieces of blades 15 of the deviation angle θ of impeller 12, and be with
The contrary direction of stage portion 40 offset direction circumferentially.Additionally, in the present embodiment, angle beta 1 is adjacent 2 impeller
The value of the substantially half of 12 blade 15 deviation angle θ each other.
Below, the wind noise producing between rear guiding piece 20 and fan 10 is illustrated using Figure 11.In addition, in figure
Illustrate only 3 impellers 12 on the right side in 6 impellers 12 in 11.Additionally, in illustrate only the blade of this 3 impellers 12 with
Towards right along 3 pieces of blades 15 configuring of direction of rotation each deviation angle θ ground.
When fan 10 rotates, the right side of the blade 15 of the rightmost side in 6 pieces of blades 15 of each deviation angle θ ground configuration is big
Cause half rises after first passing through cutting plate 23, and the left side substantially half of this blade 15 passes through cutting plate 24.The top of guiding piece 20 afterwards
Produce vortex air flow (indicated by an arrow in the figure 7) between portion and fan 10, produce wind and make an uproar because this vortex air flow is interfered with blade
Sound.Therefore, in the present embodiment, the wind noise producing when can make 1 piece of blade 15 by rear guiding piece 20 is dispersed into twice
And produce.
Additionally, after the blade 15 in the rightmost side passes through cutting plate 24, from the right side substantially half of right second blade 15 of number
By cutting plate 23.Therefore, in the present embodiment, the 2 pieces of blades 15 that can make deviation angle θ and configure pass through rear guiding piece
The wind noise producing when 20 produces with staggering opportunity.Then, pass through cutting plate from the left side substantially half of right second blade of number
24, then, similarly sequentially pass through cutting plate 23,24 with regard to remaining 4 pieces of blades 15.
Additionally, also producing vortex air flow (indicated by an arrow in fig .9) between the flexure plane 33 and fan 10 of regulator 32,
When blade 15 passes through the flexure plane 33 of regulator 32, vortex air flow and blade 15 are interfered and are produced wind noise.Due in regulator
32 are provided with stage portion 39,40, therefore, one piece of blade 15 can be made in the same manner as rear guiding piece 20 to pass through to produce during regulator 32
Wind noise be dispersed into twice and produce, and the 2 pieces of blades 15 that can make deviation angle θ and configure pass through to produce during regulator 32
Raw wind noise produces with staggering opportunity.
As described above, in the air conditioner of present embodiment, due in rear guiding piece 20 and regulator 32
The position opposed with the axial middle part of impeller 12A of top ends have the stage portion (first step portion) 26 circumferentially deviateing,
40, therefore, it is possible to one piece of blade 15 is passed through regulator 32 and rear guiding piece 20 top opportunity with first step portion 26,40
Stagger for boundary.Therefore, wind noise will not be produced by one piece of blade 15 simultaneously, wind noise can be produced with staggering.Therefore, it is possible to
Reduce wind noise.
Additionally, in the present embodiment, due to the top ends in rear guiding piece 20 and regulator 32 with impeller 12 each other
The opposed position of linking portion there is the stage portion (second step portion) 25,39 circumferentially staggering, therefore, it is possible to for each
The opportunity producing wind noise is staggered by impeller 12, can reduce wind noise further.
Additionally, in the present embodiment, due to adjacent two step of rear guiding piece 20 and the top ends of regulator 32
Part between portion linearly extends vertically, therefore easy to manufacture regulator 32 or rear guiding piece 20.
Additionally, in the present embodiment, due to rear guiding piece 20 and regulator 32 top ends with 12A pair, 5 impellers
The shape of the scope put and highly mutually the same.Therefore, guiding piece 20 and regulator 32 after easy to manufacture.Furthermore it is possible to after making
Guiding piece 20 is roughly the same on the whole with the height of the top ends of regulator 32.
Additionally, in the present embodiment, the offset direction due to first step portion 26,40 and second step portion 25,39 is
Rightabout, deviation angle θ and the blade 15 that configures offset direction each other are the offset direction phases with first step portion 26,40
Anti- direction, the deviation angle in second step portion 25,39 is less than angle, θ, therefore, it is possible to make with first step portion 26,40 as boundary
Stagger direction and two being produced with staggering as boundary with second step portion 25,39 of the time of two wind noises producing with staggering
The direction of staggering of the time of individual wind noise is identical.Therefore, it is possible to sequentially stagger towards the other end from axial one end of fan 10
Ground produces wind noise.Thereby, it is possible to suppress the directivity of the interference of wind noise producing in each cutting plate (between each stage portion),
Can indoors whole region be effectively realized quiet.
Additionally, in the present embodiment, staggered with two wind noises that first step portion 26,40 produces with staggering as boundary
The deviation angle (α 1, β 1) in first step portion 26,40 and produce, two being produced with staggering as boundary with second step portion 25,39
Individual wind noise staggers obtained by the deviation angle θ each other from blade 15 deducts the deviation angle (α 1, β 1) in second step portion 25,39
Angle and produce.Therefore, it is possible to make when the staggering of two wind noises producing with staggering with first step portion 26,40 as boundary
Between identical with the staggering time of two wind noises being produced with staggering as boundary with second step portion 25,39.Therefore, this embodiment party
Formula can obtain and be not provided with first step portion and opposed with the linking portion of impeller 12 in the position being equivalent to first step portion
The mode quantity that increases impeller 12 the same muting function of situation.Present embodiment is able to maintain that quietness conversely speaking,
The length of blade of impeller 12 and can be increased to reduce impeller quantity.Further, since the impeller becoming flowing resistance can be reduced
The quantity of linking portion, therefore, it is possible to improve Diffusion performance.
Above embodiments of the present invention are illustrated, it is believed that the specific structure of the present invention be not limited to above-mentioned
Embodiment.The scope of the present invention to represent not only by the explanation of above-mentioned embodiment, to represent also by claims,
And including the change in all of meaning and scope impartial with claims.Alternatively, it is also possible to appropriately combined come real
Apply following change mode.
In the above-described embodiment, the deviation angle β 1 of the deviation angle α 1 of stage portion 25,26 and stage portion 39,40 is leaf
The value of the substantially half of piece 15 deviation angle θ each other, but both can smaller can also be bigger than it.Wherein, more than θ/2
In the case of, preferably less than angle, θ.
In the above-described embodiment, the offset direction in first step portion 26,40 is offset direction phase each other with blade 15
Anti- direction, and the offset direction in second step portion 25,39 offset direction each other is identical with blade 15, but on the contrary,
The offset direction of one stage portion 26,40 can also offset direction each other be identical with blade 15, and second step portion 25,39
Offset direction can also be the contrary direction of offset direction each other with blade 15.
In the above-described embodiment, in rear guiding piece 20, only there is in the axial range of an impeller 12A one
One stage portion 26,40 is but it is also possible to the rear guiding piece 120 for example shown in Figure 12 is like that in the axial range of an impeller 12A
Setting two or more first step portion 126,127.
It is preferred that the deviation angle α 2 and an impeller 12A in second step portion 125 in the case of this modification
The deviation angle α 3 in first step portion 126,127 in axial range, α 4 aggregate value identical.Moreover it is preferred that First
The deviation angle α 3 in rank portion 126,127, α 4 are identical with following value：Blade 15 deviation angle θ each other is divided by the axle in impeller 12A
To in the range of first step portion quantity on Jia 1 value obtained from be worth.By this structure, can make with first step portion
126th, the staggering of the staggering time of 127 wind noises producing for boundary and the wind noise being produced as boundary with second step portion 125
Time is identical.
Additionally, the deviation angle in more than be arranged in the axial range of an impeller 2 first step portions can also be
Value beyond above-mentioned value.In this case, the deviation angle in more than 2 first step portions both can with all same it is also possible to that
This is different.
In addition, with regard to regulator 32 similarly it is also possible to arrange more than 2 in the axial range of an impeller 12A
First step portion.
In the above-described embodiment, the shape of the scope opposed with 5 impeller 12A of the top ends of rear guiding piece 20 and height
Degree mutually the same but it is also possible to different.
For example, it is directed to each impeller 12A, the quantity in first step portion, deviation angle or offset direction can not also
With.In addition it is also possible to only arrange the in the position opposed with the axial middle part of the impeller 12A of the part in 5 impeller 12A
One stage portion.In addition it is also possible to only set in the position opposed with the linking portion of the part in the linking portion of 6 impellers 12
Put second step portion.
In addition, with regard to regulator 32 similarly, the shape of scope opposed with 5 impeller 12A and height can also that
This is different.
In the above-described embodiment, the height (portion between adjacent stage portion of each cutting plate 23,24 of rear guiding piece 20
The height dividing) fix but it is also possible to the rear guiding piece 220 for example shown in Figure 13 makes the height of each cutting plate 228 like that in the axial direction
Degree continuously changes in the axial direction.Each cutting plate 228 approximately fixed with axially vertical cross sectional shape.By this structure, energy
The wind noise producing when enough making blade 15 by a cutting plate 228 produces with continuously staggering.In fig. 13, cutting plate 228
The stage portion 229 of both sides linking portion each other with the axial central part (or end of impeller 12) and impeller 12 of impeller 12A
Opposed respectively.
In addition, with regard to regulator 32 similarly it is also possible to the regulator 232 of front guiding piece 230 for example shown in Figure 14
The height making each cutting plate 241 like that continuously changes in the axial direction.In fig. 14, the stage portion 242 of the both sides of cutting plate 241
Opposed respectively with the axial central part (or end of impeller 12) and impeller 12 of impeller 12A linking portion each other.
In the above-described embodiment, for rear guiding piece 20, from its top, the border to jut 22 and flexure plane 21 is
Only be formed as the shape that circumferentially deviates but it is also possible to be formed as till 21 midway from top to flexure plane circumferentially deviateing
Shape.That is, the lower end of cutting plate 23,24 can also be more upper with the border of flexure plane 21 than jut 22.
In the above-described embodiment, the whole region of the above-below direction of regulator 32 is formed as the shape circumferentially deviateing,
But the part of only tip side can also be formed as the shape that circumferentially deviates.That is, the lower end of cutting plate 37,38 can also be than steady
The lower end determining device 32 is upper.For example, both can only end face 35 and protuberance 36 be formed as the shape circumferentially deviateing it is also possible to from
The top of regulator 32 is formed as the shape circumferentially deviateing to the midway of flexure plane 33.
In the above-described embodiment, rear guiding piece 20 and regulator 32 both sides be formed as having with the axial direction of impeller 12A in
The multistage shape in opposed first step portion of way portion is but it is also possible to so：Only one side in guiding piece 20 and regulator 32 is afterwards
There is the multistage shape in the first step portion opposed with the axial middle part of impeller 12A, the opposing party is that do not have first step portion
Shape (that is, there is no the shape of stage portion completely or only there is opposed second of the linking portion each other with impeller 12
The multistage shape in rank portion).
In the above-described embodiment, the cross sectional shape vertical with left and right directions of rear guiding piece 20 is the bending in arc-shaped
The upside in face 21 has the shape of the jut 22 that section is substantially arc-shaped, but the cross sectional shape of rear guiding piece 20 is not limited to
This.For example, it is also possible to be the face that there is only fan 10 side in the upside of flexure plane 21 be substantially arc-shaped and fan 10 opposition side
Face be general planar shape jut cross sectional shape.In the cross sectional shape of rear guiding piece 20 and the shape of above-mentioned embodiment
In the case of difference, rear guiding piece 20 is at least made to include existing from the part closest to position to top immediate with fan 10
Interior part is the shape (cutting plate) circumferentially deviateing.
In the above-described embodiment, the cross sectional shape vertical with left and right directions of regulator 32 is in the upside of flexure plane 33
There is the shape of the end face 35 of flat condition and protuberance 36 that section is roughly triangular shape, but the cross sectional shape of regulator 32 does not limit
In this.For example, it is also possible to for being not provided with end face 35 and cross sectional shape that the upper end of protuberance 36 and flexure plane 33 links.In regulator
32 cross sectional shape and above-mentioned embodiment variform in the case of, so that regulator 32 is included from closest with fan 10
The part closest to position to top be the shape (cutting plate) circumferentially deviateing in interior part.
In the above-described embodiment, enumerate and apply the present invention to room air suction from the top of indoor set from room
The example of the wall-mounted indoor set of the structure of Air blowing is illustrated by the bottom of interior machine, but the application of the present invention
Not limited to this.For example, it is also possible to apply the present invention to from the bottom of indoor set, room air suction is upper from indoor set
Portion is by the indoor set of the console model of the structure of Air blowing.
Industrial applicability
If utilizing the present invention, wind noise can be reduced further.
Label declaration
1：The indoor set of air conditioner
10：Cross flow fan
12(12A、12B)：Impeller
15：Blade
20、120、220：Guiding piece afterwards
25、125：Stage portion (second step portion)
26、126、127：Stage portion (first step portion)
30、230：Front guiding piece
32、232：Regulator
39：Stage portion (second step portion)
40：Stage portion (first step portion)
229：Stage portion (first step portion, second step portion)
242：Stage portion (first step portion, second step portion)
Claims (6)
1. a kind of air conditioner it is characterised in that
This air conditioner possesses：
Cross flow fan, it is configured with multiple impellers axially alignedly, and above-mentioned multiple impellers are respectively provided with circumferentially arrange many
Individual blade；And
Regulator and rear guiding piece, they configure and form ventilation path in the both sides of the peripheral part of above-mentioned cross flow fan,
The top ends of at least one party in aforementioned stable device and above-mentioned rear guiding piece are that the circumference having along above-mentioned cross flow fan is inclined
From multiple stage portion multistage shape,
Above-mentioned multiple stage portion includes at least one first step portion opposed with the axial middle part of above-mentioned impeller,
The above-mentioned blade of two adjacent above-mentioned impellers circumferentially deviates the configuration of predetermined angular ground each other,
On from axial one end towards the direction of the other end, above-mentioned first step portion offset direction circumferentially is and adjacent two
The above-mentioned blade of the individual above-mentioned impeller contrary direction of offset direction circumferentially each other.
2. air conditioner according to claim 1 it is characterised in that
Above-mentioned multiple stage portion includes the opposed second step portion of the linking portion each other with above-mentioned impeller.
3. air conditioner according to claim 1 and 2 it is characterised in that
The height of the part between two adjacent above-mentioned stage portion is fixed in the axial direction.
4. air conditioner according to claim 3 it is characterised in that
Above-mentioned multiple stage portion includes：Plural above-mentioned first step portion, their axles with adjacent two above-mentioned impellers
Opposed respectively to middle part；With second step portion, itself and this two impellers linking portion each other is opposed,
On from axial one end towards the direction of the other end, above-mentioned first step portion offset direction circumferentially is and above-mentioned second
The contrary direction of stage portion offset direction circumferentially,
The shape of scope opposed with above-mentioned two adjacent impellers and highly mutually the same in above-mentioned top ends.
5. air conditioner according to claim 3 it is characterised in that
Above-mentioned multiple stage portion includes two second step portions, and above-mentioned two second step portion is opposed with linking portion, this link
Part is the coupling part and above-mentioned impeller that above-mentioned first step portion is opposed and the above-mentioned impeller of its both sides between,
On from axial one end towards the direction of the other end, above-mentioned first step portion offset direction circumferentially is and above-mentioned second
The contrary direction of stage portion offset direction circumferentially,
Above-mentioned second step portion deviation angle circumferentially is less than above-mentioned predetermined angular.
6. air conditioner according to claim 5 it is characterised in that
Above-mentioned first step portion deviation angle circumferentially is identical with following value：Above-mentioned predetermined angular divided by with this first step portion
It is worth obtained from the value Jia 1 in the quantity in above-mentioned first step portion in the opposed axial range of above-mentioned impeller,
Above-mentioned second step portion deviation angle circumferentially be in the above-mentioned first step portion of above-mentioned axial range circumferentially
The aggregate value of deviation angle is identical.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013024108A JP5716766B2 (en) | 2013-02-12 | 2013-02-12 | Air conditioner |
| JP2013-024108 | 2013-02-12 | ||
| PCT/JP2013/083027 WO2014125711A1 (en) | 2013-02-12 | 2013-12-10 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104981612A CN104981612A (en) | 2015-10-14 |
| CN104981612B true CN104981612B (en) | 2017-02-22 |
Family
ID=51353730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380072697.7A Active CN104981612B (en) | 2013-02-12 | 2013-12-10 | Air conditioner |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2957773B1 (en) |
| JP (1) | JP5716766B2 (en) |
| CN (1) | CN104981612B (en) |
| ES (1) | ES2649146T3 (en) |
| WO (1) | WO2014125711A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321473B (en) * | 2016-09-05 | 2019-02-05 | 青岛海尔空调器有限总公司 | Cross flow fan for air conditioner |
| KR20180044165A (en) * | 2016-10-21 | 2018-05-02 | 삼성전자주식회사 | Air conditioner |
| CN108843603B (en) * | 2018-07-24 | 2020-01-21 | 威海市豪顿风机股份有限公司 | Parallel centrifugal fan |
| KR20210062846A (en) * | 2019-11-22 | 2021-06-01 | 삼성전자주식회사 | Air conditioner |
| KR200495130Y1 (en) * | 2020-06-11 | 2022-03-10 | 이선흥 | All directional and coolinf wind electric fan |
| CN112576524B (en) * | 2020-12-04 | 2023-04-14 | 重庆海尔空调器有限公司 | Cross-flow fan and air conditioner with same |
| JP7103465B1 (en) | 2021-03-31 | 2022-07-20 | 株式会社富士通ゼネラル | Blower and indoor unit |
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| JPS5818100U (en) * | 1981-07-28 | 1983-02-03 | 株式会社東芝 | air conditioner |
| JPS61226595A (en) * | 1985-04-01 | 1986-10-08 | Matsushita Electric Ind Co Ltd | Cross flow blower device |
| JPS62118094A (en) | 1985-11-18 | 1987-05-29 | Matsushita Electric Ind Co Ltd | Transverse flow blower device |
| JPS63113198A (en) * | 1986-10-30 | 1988-05-18 | Toshiba Corp | Blower |
| US5449271A (en) * | 1994-12-27 | 1995-09-12 | Carrier Corporation | Transverse fan with randomly varying I-shaped tongue |
| JP2002061867A (en) * | 2000-08-22 | 2002-02-28 | Hitachi Ltd | Air conditioner |
| CN1752461A (en) * | 2004-09-24 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Horizontal flow fan |
| EP2405206B1 (en) * | 2009-03-06 | 2019-04-24 | Mitsubishi Electric Corporation | Air conditioner |
| JP2011064360A (en) * | 2009-09-15 | 2011-03-31 | Hitachi Appliances Inc | Air conditioner |
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2013
- 2013-02-12 JP JP2013024108A patent/JP5716766B2/en active Active
- 2013-12-10 EP EP13875217.5A patent/EP2957773B1/en active Active
- 2013-12-10 WO PCT/JP2013/083027 patent/WO2014125711A1/en active Application Filing
- 2013-12-10 ES ES13875217.5T patent/ES2649146T3/en active Active
- 2013-12-10 CN CN201380072697.7A patent/CN104981612B/en active Active
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|---|---|---|---|---|
| JPS62690A (en) * | 1985-06-25 | 1987-01-06 | Matsushita Electric Ind Co Ltd | Cross-flow fan |
| JPS62131994A (en) * | 1985-12-02 | 1987-06-15 | Matsushita Electric Ind Co Ltd | Transverse stream type air blower |
| CN1609456A (en) * | 2003-10-23 | 2005-04-27 | 松下电器产业株式会社 | Transverse fan and method for producing transverse fan |
| CN2837569Y (en) * | 2005-04-25 | 2006-11-15 | 海尔集团公司 | Cross flow fan for air conditioner indoor unit |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2957773A1 (en) | 2015-12-23 |
| WO2014125711A1 (en) | 2014-08-21 |
| EP2957773A4 (en) | 2016-08-03 |
| JP5716766B2 (en) | 2015-05-13 |
| EP2957773B1 (en) | 2017-10-25 |
| ES2649146T3 (en) | 2018-01-10 |
| JP2014152724A (en) | 2014-08-25 |
| CN104981612A (en) | 2015-10-14 |
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