US20140242901A1 - Airflow outlet of air-conditioning device - Google Patents
Airflow outlet of air-conditioning device Download PDFInfo
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- US20140242901A1 US20140242901A1 US13/775,094 US201313775094A US2014242901A1 US 20140242901 A1 US20140242901 A1 US 20140242901A1 US 201313775094 A US201313775094 A US 201313775094A US 2014242901 A1 US2014242901 A1 US 2014242901A1
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- United States
- Prior art keywords
- cup
- air
- conditioning device
- cup body
- opening
- 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.)
- Abandoned
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- 230000014759 maintenance of location Effects 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
Definitions
- the present invention generally relates to an airflow outlet structure of air-conditioning device, and more particularly to an airflow outlet that is structured to allow airflows generated by an air-conditioning device to blow downward.
- an airflow outlet that is provided for an air-conditioning device generally mounted to a light steel frame is shown and is used in combination with a central control air-conditioning device, such as air-conditioning devices installed in high buildings, to regulate the temperature of indoor spaces.
- a central control air-conditioning device such as air-conditioning devices installed in high buildings.
- Such a known airflow outlet is an airflow outlet that is composed of a plurality of concentric frames, where airflows generated by the air-conditioning device are allowed to blow out through the spacing between adjacent ones of the concentric frames.
- the present invention provides an airflow outlet of air-conditioning device, which comprises main body having one end forming an entrance opening and an opposite end forming a plurality of outward-projecting curved ridges, wherein each curved ridge has a side wall forming at least a through hole to allow air to pass the through hole.
- the present invention allows airflows blown from an air-conditioning device to be conducted to the through hole to be discharged therefrom. Since the through hole is formed in the side wall, the airflows do not blow downward directly as was observed in the conventional device and instead, the airflows blow sideways, so that discomfort of persons caused by airflows directly impinging the persons can be eliminated.
- each of the curved ridges has a height that is gradually decreased from a center of the main body toward the outside.
- the curved ridges are arranged to be adjacent to each other.
- the main body further comprises an outward-projecting cup-like protrusion, which comprises a cup body and a bottom cover that is set on an end of the cup body, and the cup body comprises at least one through hole so as to increase airflow discharge sites at different orientations.
- an outward-projecting cup-like protrusion which comprises a cup body and a bottom cover that is set on an end of the cup body, and the cup body comprises at least one through hole so as to increase airflow discharge sites at different orientations.
- the bottom cover further comprises at least one airflow guide plate and a rotatable mechanism is coupled between the bottom cover and the cup body so as to allow the bottom cover to be rotatable with respect to the cup body.
- airflows generated can be conducted to discharge sideways in a swirling manner to expand the range of spreading.
- the cup body further comprises an extendable structure to allow the length of the cup body to be increased, which together with the through hole formed in the cup body, can expand the range of spreading.
- FIG. 1 is a perspective view showing a conventional airflow outlet.
- FIG. 2 is a perspective view showing an embodiment of the present invention.
- FIG. 3 is a front view of the embodiment of the present invention.
- FIG. 4 is a cross-sectional view of the embodiment of the present invention.
- FIG. 5 is also a cross-sectional view of the embodiment of the present invention.
- FIG. 6 is a top plan view of the embodiment of the present invention that is combined with a cup-like protrusion.
- FIG. 7 is a cross-sectional view showing the embodiment of the present invention that is combined with the cup-like protrusion.
- FIG. 8 is also a cross-sectional view showing the embodiment of the present invention that is combined with the cup-like protrusion (with arrows showing directions of airflows).
- FIG. 9 is a cross-sectional view of the embodiment of the present invention that is combined with an extendable cup-like protrusion (with the cup in an extended condition).
- FIG. 10 is a cross-sectional view of the embodiment of the present invention that is combined with the extendable cup-like protrusion (with the cup in a retracted condition).
- FIG. 11 is a cross-sectional view of an embodiment of the present invention that is combined with another extendable cup-like protrusion.
- FIG. 12 is a cross-sectional view showing the extendable cup-like protrusion of FIG. 11 in a retracted condition.
- FIG. 13 is a cross-sectional view of an embodiment of the present invention that is combined with a further extendable cup-like protrusion.
- FIG. 14 is a top plan view of the embodiment of FIG. 13 .
- FIG. 15 is a cross-sectional view of an embodiment of the present invention that is combined with a further extendable cup-like protrusion.
- FIG. 16 is a perspective view showing another embodiment of the present invention.
- FIG. 17 is a bottom view showing a further embodiment of the present invention.
- FIG. 18 is a cross-sectional view of the embodiment of FIG. 17 .
- FIG. 19 is a bottom view showing yet a further embodiment of the present invention.
- FIG. 20 is a cross-sectional view of the embodiment of FIG. 19 .
- FIG. 2 is a perspective view showing an embodiment of the present invention
- FIG. 3 is a front view of the embodiment of the present invention
- FIG. 4 is a cross-sectional view of the embodiment of the present invention
- FIG. 5 is also a cross-sectional view of the embodiment of the present invention.
- an airflow outlet of air-conditioning device comprises a main body 10 .
- the main body 10 has an end forming an entrance opening 11 and an opposite end forming a plurality of outward-projecting curved ridges 20 .
- the curved ridges 20 each have side walls forming at least one a through hole 21 to allow airflow that enters from the entrance opening 11 to move through the through holes 21 .
- the entrance opening 11 can be configured in the form shown in the drawings in order to couple to piping of an air-conditioning device.
- each of the curved ridges 20 has a height H that is gradually decreased from a center of the main body 10 toward the outside so that individual airflows respectively blowing through the through holes 21 do not interfere with each other and can thus blow a much longer distance to thereby improve overall temperature control capability of the air-conditioning device.
- adjacent ones of the curved ridges 20 are arranged to juxtapose and connect to each other to facilitate manufacture thereof.
- the embodiment can be formed as a unitary member and can be made of plastics or metals to simplify the manufacturing process.
- the main body 10 further comprises an outward-projecting cup-like protrusion 30 .
- the cup-like protrusion 30 comprises a cup body 31 and a bottom cover 32 .
- the bottom cover 32 is set at an end of the cup body 31 .
- the cup body 31 comprises at least one through hole 311 .
- the cup body 31 can be of an extendable structure to allow the cup body 31 to selectively extend or retract thereby providing additional combinations of airflow directions.
- extendable structure to allow the cup body 31 to selectively extend or retract thereby providing additional combinations of airflow directions.
- the extendable structure is composed of a first cup body 312 and a second cup body 313 .
- the first cup body 312 comprises a first upper cup opening 3121 , a first lower cup opening 3122 , and a first internal retention strip 3123 .
- the first internal retention strip 3123 is mounted to an inside surface of the first cup body 312 .
- the second cup body 313 comprises a second upper cup opening 3131 , a second lower cup opening 3132 , and a second external retention strip 3133 .
- the second external retention strip 3133 is mounted to an outside surface of the second cup body 313 .
- the bottom cover 32 is set on the second lower cup opening 3132 .
- the second upper cup opening 3131 is received in the first cup body 312 and is movable inside the first cup body 312 . Further, the second external retention strip 3133 is arranged on the first internal retention strip 3123 . The second cup body 313 is slidable downward to such a location where the second external retention strip 3133 abuts the first internal retention strip 3122 and is the prevented from further sliding downward, whereby the relative position between the first cup body 312 and the second cup body 313 can be fixed to facilitate convenience of use.
- the through hole 311 can be formed in the first cup body 312 or the second cup body 313 in such a way to allow airflows to flow out sideways, rather than directly blowing downward.
- the extendable structure is composed of at least one first cup body 314 and at least one second cup body 315 .
- the first cup body 314 comprises a first upper cup opening 3141 and a first lower cup opening 3142 .
- the second cup body 315 comprises a second upper cup opening 3151 and a second lower cup opening 3152 .
- the second upper cup opening 3151 has a diameter that is greater than or equal to diameter of the first lower cup opening 3142 and diameter of the second lower cup opening 3152 is less than that of the first lower cup opening 3142 .
- the bottom cover 32 is set on the second lower cup opening 3152 .
- the bottom cover 32 may be further provided with at least one airflow guide plate 321 .
- a rotatable mechanism 33 is mounted between the bottom cover 32 and the cup body 31 to allow the bottom cover 32 to be rotatable with respect to the cup body 31 .
- a frame 331 is coupled inside the cup body 31 and a bar 332 rotatably couple the bottom cover 32 and the frame 331 , whereby when airflows that blow toward airflow guide plate 321 may drive the bottom cover 32 to rotate. The rotation induces centrifugal force that helps spread the airflow further.
- An alternative arrangement shown in FIG. 15 may also be used for combination with an extendable structure.
- the curved ridges 20 may be arranged in the ways shown in FIG. 16 , where the curved ridges 20 are arranged parallel to each other, or as shown in FIGS. 17 and 18 , they are made in a concentric arrangement with the ridges 20 getting closer to the ground in a direction from outside to inside. Or alternatively, as shown in FIGS. 19 and 20 , the ridges are arranged in radiating form and the curves make the ridges 20 getting close to the ground in a direction from outside to inside.
- FIGS. 19 and 20 the ridges are arranged in radiating form and the curves make the ridges 20 getting close to the ground in a direction from outside to inside.
- These drawings are simply provided to illustrate the numerous possible arrangements of the curved ridges 20 , which are not limited to the form illustrated in FIG. 2 . Further, although these drawings show no extendable cup arranged at the center, yet they can be used in combination with extendable cups or cups having rotatable bottoms to achieve such functions.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The present invention provides an airflow outlet of air-conditioning device, which comprises a main body having one end forming an entrance opening and an opposite end forming a plurality of outward-projecting curved ridges. At least one of the curved ridges has a side wall forming at least one through hole to allow air to pass through the through hole. The present invention allows airflows generated by an air-conditioning device to be conducted to the through hole to be discharged therefrom. Since the through hole is formed in a side wall, airflows do not blow directly down as that occurring in the conventional devices and instead blowing sideways so as to eliminate any potential risk of causing discomfort of persons located under the airflow outlet.
Description
- The present invention generally relates to an airflow outlet structure of air-conditioning device, and more particularly to an airflow outlet that is structured to allow airflows generated by an air-conditioning device to blow downward.
- Referring to
FIG. 1 , an airflow outlet that is provided for an air-conditioning device generally mounted to a light steel frame is shown and is used in combination with a central control air-conditioning device, such as air-conditioning devices installed in high buildings, to regulate the temperature of indoor spaces. Such a known airflow outlet is an airflow outlet that is composed of a plurality of concentric frames, where airflows generated by the air-conditioning device are allowed to blow out through the spacing between adjacent ones of the concentric frames. - However, experiences show that airflows blowing out of such an airflow outlet are generally guided to blow directly downward. This makes persons that are located exactly below the airflow outlet uncomfortably cold or hot and may lead to health problems, such as headaches. This is particularly problematic for public sites where crowd may gather, such as restaurants and movie theaters, for it may make the customers of these sites uncomfortable and affecting the quality of service provided.
- In view of such problems, the present invention provides an airflow outlet of air-conditioning device, which comprises main body having one end forming an entrance opening and an opposite end forming a plurality of outward-projecting curved ridges, wherein each curved ridge has a side wall forming at least a through hole to allow air to pass the through hole.
- The present invention allows airflows blown from an air-conditioning device to be conducted to the through hole to be discharged therefrom. Since the through hole is formed in the side wall, the airflows do not blow downward directly as was observed in the conventional device and instead, the airflows blow sideways, so that discomfort of persons caused by airflows directly impinging the persons can be eliminated.
- Preferably, each of the curved ridges has a height that is gradually decreased from a center of the main body toward the outside.
- Preferably, the curved ridges are arranged to be adjacent to each other.
- Preferably, the main body further comprises an outward-projecting cup-like protrusion, which comprises a cup body and a bottom cover that is set on an end of the cup body, and the cup body comprises at least one through hole so as to increase airflow discharge sites at different orientations.
- Preferably, the bottom cover further comprises at least one airflow guide plate and a rotatable mechanism is coupled between the bottom cover and the cup body so as to allow the bottom cover to be rotatable with respect to the cup body. As such, airflows generated can be conducted to discharge sideways in a swirling manner to expand the range of spreading.
- Preferably, the cup body further comprises an extendable structure to allow the length of the cup body to be increased, which together with the through hole formed in the cup body, can expand the range of spreading.
- The foregoing objectives and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.
- Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
-
FIG. 1 is a perspective view showing a conventional airflow outlet. -
FIG. 2 is a perspective view showing an embodiment of the present invention. -
FIG. 3 is a front view of the embodiment of the present invention. -
FIG. 4 is a cross-sectional view of the embodiment of the present invention. -
FIG. 5 is also a cross-sectional view of the embodiment of the present invention. -
FIG. 6 is a top plan view of the embodiment of the present invention that is combined with a cup-like protrusion. -
FIG. 7 is a cross-sectional view showing the embodiment of the present invention that is combined with the cup-like protrusion. -
FIG. 8 is also a cross-sectional view showing the embodiment of the present invention that is combined with the cup-like protrusion (with arrows showing directions of airflows). -
FIG. 9 is a cross-sectional view of the embodiment of the present invention that is combined with an extendable cup-like protrusion (with the cup in an extended condition). -
FIG. 10 is a cross-sectional view of the embodiment of the present invention that is combined with the extendable cup-like protrusion (with the cup in a retracted condition). -
FIG. 11 is a cross-sectional view of an embodiment of the present invention that is combined with another extendable cup-like protrusion. -
FIG. 12 is a cross-sectional view showing the extendable cup-like protrusion ofFIG. 11 in a retracted condition. -
FIG. 13 is a cross-sectional view of an embodiment of the present invention that is combined with a further extendable cup-like protrusion. -
FIG. 14 is a top plan view of the embodiment ofFIG. 13 . -
FIG. 15 is a cross-sectional view of an embodiment of the present invention that is combined with a further extendable cup-like protrusion. -
FIG. 16 is a perspective view showing another embodiment of the present invention. -
FIG. 17 is a bottom view showing a further embodiment of the present invention. -
FIG. 18 is a cross-sectional view of the embodiment ofFIG. 17 . -
FIG. 19 is a bottom view showing yet a further embodiment of the present invention. -
FIG. 20 is a cross-sectional view of the embodiment ofFIG. 19 . - The following descriptions are exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims.
- Referring to the drawings,
FIG. 2 is a perspective view showing an embodiment of the present invention;FIG. 3 is a front view of the embodiment of the present invention;FIG. 4 is a cross-sectional view of the embodiment of the present invention; andFIG. 5 is also a cross-sectional view of the embodiment of the present invention. - As shown in
FIGS. 2-5 , an airflow outlet of air-conditioning device according to the embodiment comprises amain body 10. Themain body 10 has an end forming an entrance opening 11 and an opposite end forming a plurality of outward-projectingcurved ridges 20. Further, thecurved ridges 20 each have side walls forming at least one a throughhole 21 to allow airflow that enters from the entrance opening 11 to move through the throughholes 21. Theentrance opening 11 can be configured in the form shown in the drawings in order to couple to piping of an air-conditioning device. - Reference being also made to the cross-sectional view shown in
FIG. 5 , when airflows (indicated by arrows W) generated by the air-conditioning device blow from the top side of the drawing to the bottom side, the airflows pass through theentrance opening 11 to be discharged through the throughholes 21 of thecurved ridges 20. Since thethrough holes 21 are formed in the side walls of thecurved ridges 20, the airflows are guided to blow sideways, whereby persons located below are not directly blown by the airflow and thus no discomfort will be perceived. - Further, as shown in
FIG. 4 , each of thecurved ridges 20 has a height H that is gradually decreased from a center of themain body 10 toward the outside so that individual airflows respectively blowing through the throughholes 21 do not interfere with each other and can thus blow a much longer distance to thereby improve overall temperature control capability of the air-conditioning device. - Further, as shown in
FIGS. 4 and 5 , adjacent ones of thecurved ridges 20 are arranged to juxtapose and connect to each other to facilitate manufacture thereof. Further, the embodiment can be formed as a unitary member and can be made of plastics or metals to simplify the manufacturing process. - Referring to
FIGS. 6-8 , themain body 10 further comprises an outward-projecting cup-like protrusion 30. The cup-like protrusion 30 comprises acup body 31 and abottom cover 32. Thebottom cover 32 is set at an end of thecup body 31. Further, thecup body 31 comprises at least one throughhole 311. Thus, when airflows (indicated by arrows inFIG. 8 ) travels from the top side to the bottom side, the airflows may be discharged through the throughhole 311 and the throughholes 21. As such, airflows in different directions can be additionally provided. - The
cup body 31 can be of an extendable structure to allow thecup body 31 to selectively extend or retract thereby providing additional combinations of airflow directions. Various solutions that are known to provide an extendable structure and two are discussed below to allow those having ordinary skills in the art to understand the extendable structure, but the present invention is not limited to such two structures. - As shown in
FIGS. 9 and 10 , the extendable structure is composed of afirst cup body 312 and asecond cup body 313. Thefirst cup body 312 comprises a firstupper cup opening 3121, a firstlower cup opening 3122, and a firstinternal retention strip 3123. The firstinternal retention strip 3123 is mounted to an inside surface of thefirst cup body 312. Thesecond cup body 313 comprises a secondupper cup opening 3131, a secondlower cup opening 3132, and a secondexternal retention strip 3133. The secondexternal retention strip 3133 is mounted to an outside surface of thesecond cup body 313. Thebottom cover 32 is set on the secondlower cup opening 3132. The secondupper cup opening 3131 is received in thefirst cup body 312 and is movable inside thefirst cup body 312. Further, the secondexternal retention strip 3133 is arranged on the firstinternal retention strip 3123. Thesecond cup body 313 is slidable downward to such a location where the secondexternal retention strip 3133 abuts the firstinternal retention strip 3122 and is the prevented from further sliding downward, whereby the relative position between thefirst cup body 312 and thesecond cup body 313 can be fixed to facilitate convenience of use. - Further, the through
hole 311 can be formed in thefirst cup body 312 or thesecond cup body 313 in such a way to allow airflows to flow out sideways, rather than directly blowing downward. - As shown in
FIGS. 11 and 12 , the extendable structure is composed of at least onefirst cup body 314 and at least onesecond cup body 315. - The
first cup body 314 comprises a firstupper cup opening 3141 and a firstlower cup opening 3142. - The
second cup body 315 comprises a secondupper cup opening 3151 and a secondlower cup opening 3152. The secondupper cup opening 3151 has a diameter that is greater than or equal to diameter of the firstlower cup opening 3142 and diameter of the secondlower cup opening 3152 is less than that of the firstlower cup opening 3142. Thebottom cover 32 is set on the secondlower cup opening 3152. - Further, as shown in
FIGS. 13 and 14 , thebottom cover 32 may be further provided with at least oneairflow guide plate 321. Arotatable mechanism 33 is mounted between thebottom cover 32 and thecup body 31 to allow thebottom cover 32 to be rotatable with respect to thecup body 31. Here, aframe 331 is coupled inside thecup body 31 and abar 332 rotatably couple thebottom cover 32 and theframe 331, whereby when airflows that blow towardairflow guide plate 321 may drive thebottom cover 32 to rotate. The rotation induces centrifugal force that helps spread the airflow further. An alternative arrangement shown inFIG. 15 may also be used for combination with an extendable structure. - Further, the
curved ridges 20 may be arranged in the ways shown inFIG. 16 , where thecurved ridges 20 are arranged parallel to each other, or as shown inFIGS. 17 and 18 , they are made in a concentric arrangement with theridges 20 getting closer to the ground in a direction from outside to inside. Or alternatively, as shown inFIGS. 19 and 20 , the ridges are arranged in radiating form and the curves make theridges 20 getting close to the ground in a direction from outside to inside. These drawings are simply provided to illustrate the numerous possible arrangements of thecurved ridges 20, which are not limited to the form illustrated inFIG. 2 . Further, although these drawings show no extendable cup arranged at the center, yet they can be used in combination with extendable cups or cups having rotatable bottoms to achieve such functions. - It will be understood that each of the elements described above, or two or more together may also find a useful application in other types of methods differing from the type described above.
- While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the spirit of the present invention.
Claims (10)
1. An airflow outlet of air-conditioning device, comprising:
a main body, which has one end forming an entrance opening and an opposite end forming a plurality of curved ridges, at least one of the curved ridges having a side wall in which at least one through hole is formed to allow airflow that enters the entrance opening to pass through the through hole.
2. The airflow outlet of air-conditioning device according to claim 1 , wherein each of the curved ridges has a height that is gradually decreased from a center of the main body toward the outside.
3. The airflow outlet of air-conditioning device according to claim 1 , wherein the curved ridges are arranged to be adjacent to each other.
4. The airflow outlet of air-conditioning device according to claim 1 , wherein the main body further comprises an outward-projecting cup-like protrusion, the cup-like protrusion comprising a cup body and a bottom cover, the bottom cover being set on an end of the cup body, the cup body comprising at least one through hole.
5. The airflow outlet of air-conditioning device according to claim 4 , wherein the bottom cover further comprises at least one airflow guide plate, a rotatable mechanism being coupled between the bottom cover and the cup body to allow the bottom cover to be rotatable with respect to the cup body.
6. The airflow outlet of air-conditioning device according to claim 5 , wherein the cup body comprises an extendable structure to allow the cup body to selectively extend/retract.
7. The airflow outlet of air-conditioning device according to claim 6 , wherein the extendable structure comprises:
at least one first cup body, which comprises a first upper cup opening and a first lower cup opening; and
at least one second cup body, which comprises a second upper cup opening and a second lower cup opening, wherein diameter of the second upper cup opening is greater than or equal to diameter of the first lower cup opening and diameter of the second lower cup opening is smaller than the diameter of the first lower cup opening, the bottom cover being set on the second lower cup opening.
8. The airflow outlet of air-conditioning device according to claim 7 , wherein the curved ridges are arranged in a concentric form or a radiating form.
9. The airflow outlet of air-conditioning device according to claim 6 , wherein the extendable structure comprises:
at least one first cup body, which comprises a first upper cup opening, a first lower cup opening, and a first internal retention strip, wherein the first internal retention strip is mounted to an inside surface of the first cup body; and
at least one second cup body, which comprises a second upper cup opening, a second lower cup opening, and a second external retention strip, wherein the second external retention strip is mounted to an outside surface of the second cup body and the bottom cover is set on the second lower cup opening;
wherein the second upper cup opening is received in the first cup body and is movable in the first cup body and the second external retention strip is arranged on the first internal retention strip.
10. The airflow outlet of air-conditioning device according to claim 9 , wherein the curved ridges are arranged in a concentric form or a radiating form.
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US13/775,094 US20140242901A1 (en) | 2013-02-22 | 2013-02-22 | Airflow outlet of air-conditioning device |
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US13/775,094 US20140242901A1 (en) | 2013-02-22 | 2013-02-22 | Airflow outlet of air-conditioning device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160300516A1 (en) * | 2015-04-07 | 2016-10-13 | Hyundai Motor Company | Projection display |
WO2018150060A1 (en) * | 2017-02-17 | 2018-08-23 | Javier Sagastizabal Saiz | Device for reducing and redirecting air flow in air conditioning apparatuses |
US10240804B2 (en) * | 2014-08-29 | 2019-03-26 | Qingdao Haier Air Conditioner General Corp., Ltd. | Wall-mounted air conditioner indoor unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10240804B2 (en) * | 2014-08-29 | 2019-03-26 | Qingdao Haier Air Conditioner General Corp., Ltd. | Wall-mounted air conditioner indoor unit |
US20160300516A1 (en) * | 2015-04-07 | 2016-10-13 | Hyundai Motor Company | Projection display |
WO2018150060A1 (en) * | 2017-02-17 | 2018-08-23 | Javier Sagastizabal Saiz | Device for reducing and redirecting air flow in air conditioning apparatuses |
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