CN210951561U - Ceiling type air conditioner indoor unit - Google Patents
Ceiling type air conditioner indoor unit Download PDFInfo
- Publication number
- CN210951561U CN210951561U CN201921724086.7U CN201921724086U CN210951561U CN 210951561 U CN210951561 U CN 210951561U CN 201921724086 U CN201921724086 U CN 201921724086U CN 210951561 U CN210951561 U CN 210951561U
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- indoor unit
- heat exchanger
- air conditioner
- 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.)
- Active
Links
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 238000004378 air conditioning Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Air-Flow Control Members (AREA)
Abstract
The utility model belongs to the technical field of the air conditioner, concretely relates to machine in suspension type air conditioning. The utility model discloses aim at solving the current relatively poor problem of short circuit phenomenon, operation effect appears easily in the operation of ceiling type air conditioning indoor set. Mesh for this reason, the utility model discloses a machine in suspension type air conditioning air intake sets up on the top panel of casing, and the air outlet sets up on the lower panel of casing. Above-mentioned air intake and air outlet one on the other set up the mode and have greatly increased the distance between air intake and the air outlet, separate the air inlet region with the air-out region through the mode of pulling open the distance, avoided air inlet current and air-out air current to disturb each other effectively and obscure, the condition of air intake directly flows in after the air-out air current flows, air current short circuit backward flow phenomenon appears when avoiding the operation of suspension type air conditioner indoor set, make air inlet current and air-out air current can flow mutually noninterfere, the operational effect of suspension type air conditioner indoor set has been guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to machine in suspension type air conditioning.
Background
A ceiling type air conditioner indoor unit is an indoor temperature adjusting device installed on a ceiling to realize cooling and heating. Generally, an air inlet and an air outlet of a ceiling-mounted air conditioner indoor unit are both disposed at the bottom, for example, the air inlet is disposed at the center of a bottom plate of the ceiling-mounted air conditioner indoor unit, the air outlet is disposed at a position near the edge of the bottom plate around the bottom plate, and the ceiling-mounted air conditioner indoor unit is used for supplying air from the center of the bottom and discharging air from the periphery of the bottom.
For the indoor unit of the ceiling type air conditioner, the air inlet and the air outlet are positioned on the same plane, and when the indoor unit of the ceiling type air conditioner runs (particularly runs in a heating mode), the air inlet flow and the air outlet flow are easy to mutually influence and interfere with each other, so that the short circuit backflow phenomenon is caused. Affecting the operation effect of the indoor unit of the ceiling type air conditioner.
Accordingly, there is a need in the art for a new ceiling type air conditioning indoor unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve above-mentioned problem among the prior art, appear airflow short circuit backward flow phenomenon, the relatively poor problem of operation effect for solving current suspension type air conditioner indoor set operation easily, the utility model provides a suspension type air conditioner indoor set, suspension type air conditioner indoor set include the casing and set up in heat exchanger and fan in the casing, the casing includes top panel and lower panel, be provided with at least one air intake on the top panel, be provided with at least one air outlet down on the panel, the heat exchanger with the fan all set up in the air intake with between the air outlet, and the heat exchanger with the fan is arranged into and is made the air current flow in air intake and flow direction follow behind the heat exchanger the air outlet flows.
In the above preferable technical solution of the indoor unit of a ceiling type air conditioner, the indoor unit of a ceiling type air conditioner further includes a flow guide member connected to the casing, and the flow guide member is disposed between the air inlet end of the fan and the air inlet.
In the above preferred technical solution of the ceiling type air conditioner indoor unit, the flow guide member is a trumpet-shaped air guide ring, the fan includes a fan and a motor for driving the fan to rotate, the fan is connected to the casing through the motor, a flared end of the air guide ring surrounds and is arranged close to the air inlet, and a closed end of the air guide ring extends to an air inlet end of the fan.
In the preferable technical scheme of the ceiling type air conditioner indoor unit, the closed end of the air guide ring extends to the direction close to the fan to form a cylindrical structure, and the cylindrical structure and the air inlet end of the fan are arranged in a staggered mode in the installed state.
In the preferable technical scheme of the ceiling type air conditioner indoor unit, the flaring end of the air guide ring is provided with a flanging structure, and the flanging structure is in clamping fit with the shell.
In the preferable technical scheme of the indoor unit of the ceiling type air conditioner, the heat exchanger is an annular heat exchanger, the flow guide member and the fan are both positioned on the inner side of the annular heat exchanger, and the air outlet is positioned on the outer side of the annular heat exchanger.
In the preferable technical scheme of the indoor unit of the ceiling type air conditioner, the top end of the annular heat exchanger is in butt fit with the upper panel, and the bottom end of the annular heat exchanger is in butt fit with the lower panel through the water receiving disc.
In the preferable technical scheme of the ceiling type air conditioner indoor unit, the fan is a centrifugal fan.
In the preferable technical scheme of the ceiling type air conditioner indoor unit, the air inlet is of an arc-shaped structure.
In the above preferred technical solution of the ceiling type air conditioner indoor unit, the number of the air outlets is plural, and the plural air outlets are annularly distributed on the lower panel.
As can be understood by those skilled in the art, the air inlet of the indoor unit of the ceiling type air conditioner of the present invention is disposed on the upper panel of the casing, and the air outlet is disposed on the lower panel of the casing. Above-mentioned air intake and air outlet one on the other set up the mode and have greatly increased the distance between air intake and the air outlet, separate the air inlet region with the air-out region through the mode of pulling open the distance, avoided air inlet current and air-out air current to disturb each other effectively and obscure, the condition of air intake directly flows in after the air-out air current flows, air current short circuit backward flow phenomenon appears when avoiding the operation of suspension type air conditioner indoor set, make air inlet current and air-out air current can flow mutually noninterfere, the operational effect of suspension type air conditioner indoor set has been guaranteed.
Drawings
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. The attached drawings are as follows:
fig. 1 is a side sectional view of a ceiling type air conditioner indoor unit of the present invention;
FIG. 2 is an exploded view of the components of the indoor unit of a ceiling type air conditioner of the present invention;
fig. 3 is a partial enlarged view of the upper part of the ceiling type air conditioner indoor unit of the present invention, in which a flange structure of the air guide member is shown;
fig. 4 is a partial enlarged view of the inside of the ceiling type air conditioner indoor unit of the present invention, in which a tubular structure of the air guide member is shown.
In the drawings: 1. a housing; 11. an upper panel; 111. an air inlet; 12. a lower panel; 121. an air outlet; 2. a heat exchanger; 3. a fan; 31. a motor; 32. a fan; 321. an air inlet end; 4. a water pan; 5. an air guide member; 51. a tubular structure; 52. flanging; 6. draining pump; 7. an electric control box body.
Detailed Description
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, but do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring first to fig. 1 and 2, fig. 1 is a side sectional view of an indoor unit of a ceiling type air conditioner according to the present invention, and fig. 2 is an exploded view of components of the indoor unit of the ceiling type air conditioner according to the present invention. As shown in fig. 1 and 2, the indoor unit of a ceiling type air conditioner of the present invention includes a casing 1, and a heat exchanger 2 and a fan 3 disposed in the casing 1. The housing 1 is provided with at least one air inlet 111 and at least one air outlet 121, and the heat exchanger 2 and the fan 3 are both arranged between the air inlet 111 and the air outlet 121. The air flow outside the casing 1 can enter the casing 1 through the air inlet 111, and flows through the heat exchanger 2, exchanges heat with the heat exchanger 2, and then becomes hot air flow or cold air flow, and then flows out of the air outlet 121, so as to raise or lower the indoor temperature. The heat exchanger 2 and the fan 3 are arranged to cause the air flow to follow the flow path described above so as to draw the air flow outside the casing 1 into the casing 1 and blow the heat-exchanged air flow out of the casing 1. The bottom of the heat exchanger 2 is provided with a water receiving disc 4 so as to receive water dropping from the heat exchanger 2 through the water receiving disc 4. The inside drain pump 6 that still is provided with of casing 1, the end of intaking of drain pump 6 communicates inside to water collector 4, and the drainage end passes through drain line and casing 1's outside intercommunication to discharge the liquid of gathering inside water collector 4 outside casing 1. An electric cabinet 7, which integrates electrical components of a ceiling-mounted air conditioner indoor unit such as a computer board, is disposed inside the casing 1 and near the inner wall of the casing 1, so as to reserve a sufficiently large installation space inside the casing 1. The housing 1 is formed by sequentially connecting and surrounding an upper panel 11 (i.e., a panel close to a ceiling), a ring-shaped side panel and a lower panel 12 (i.e., a panel close to a floor) from top to bottom. The air inlet 111 is disposed on the upper panel 11, and the air outlet 121 is disposed on the lower panel 12. When the indoor unit of the ceiling type air conditioner heats or refrigerates, the air flow flows into the casing 1 from the top of the indoor unit of the ceiling type air conditioner, and the bottom of the indoor unit of the ceiling type air conditioner blows out hot air flow or cold air flow.
Through the setting, the distance between the air inlet airflow and the cold air airflow is increased, the air inlet area and the air outlet area of the indoor unit of the ceiling type air conditioner are separated to the two farthest positions of the top and the bottom of the ceiling, the phenomenon of airflow short circuit backflow is greatly improved, the airflow blown out from the air outlet 121 can basically flow into the indoor space in a whole mode, and the airflow can not flow back into the air inlet 111.
Preferably, the air inlet 111 has an arc-shaped structure, and particularly, the air inlet 111 has an arc-shaped through hole formed on the upper panel 11, so as to increase the air intake area of the air inlet 111. Especially, when the center of the top panel 11 of the ceiling type air conditioning indoor unit needs to be connected and fixed with the ceiling, the arc-shaped air inlet 111 may be disposed around the connection position of the center of the top panel 11, for example, a plurality of arc-shaped air inlets 111 are disposed along the circumferential direction of the center of the top panel 11, so as to effectively utilize the remaining arrangement space of the top panel 11, and increase the air inlet area of the ceiling type air conditioning indoor unit to the maximum extent under the condition of ensuring the strength of the top panel 11.
Preferably, the number of the air outlets 121 is multiple, and the multiple air outlets 121 are annularly distributed on the lower panel 12, for example, in case that the air outlets 121 are in an arc-shaped through hole structure, at least two arc-shaped through holes are encircled to be circular on the lower panel, so that the whole air outlets 121 can be arranged to be in a circular air outlet structure, thereby realizing annular air outlet of a ceiling type air conditioning indoor unit, and making the air outlet area of the indoor unit larger and the air outlet more uniform.
Further, the indoor unit of the ceiling type air conditioner of the present invention further includes a flow guide member connected to the casing 1. This water conservancy diversion component sets up between the air inlet end of fan 3 and air intake 111, so that guide the air current that air intake 111 department flows into to 3 positions of fan, make the air current can be in the effective working range of fan 3, the fan 3 of being more convenient for carries the air current to 2 positions of heat exchanger, the air supply efficiency of fan 3 has been promoted, the phenomenon that the inside air current of casing 1 collides everywhere and flows has been avoided effectively, the air current disturbance in the casing 1 has been reduced, make the most air current homoenergetic in the casing 1 flow according to setting for the route in order.
With continued reference to fig. 1 and 2, the air-guiding member is a trumpet-shaped air-guiding ring. The blower 3 includes a fan 32 and a motor 31 that drives the fan 32 to rotate. The fan 32 is connected to the inner wall of the casing 1 by the motor 31. According to the orientation shown in fig. 1, the end with larger radial dimension of the upper part of the wind guide ring is the flaring end, and the end with smaller radial dimension of the lower part of the wind guide ring is the closing end. The flared end of the air guide ring surrounds and is close to the air inlet 111, that is, all the air inlets 111 arranged on the upper panel 11 are located on the inner side of the inner ring of the flared section and surrounded by the flared section, so that the air flow flowing in from the air inlet 111 can be guided by the air guide ring and flows along the air guide surface (the inner side surface of the air guide ring) of the air guide ring. The closed end of the air guiding ring extends to the air inlet side of the fan 32 so as to guide the air flow to the position of the fan 32 directly. The arrangement of the trumpet-shaped air guide member 5 enables the air inlet 111 to have a larger layout space, and increases the distribution flexibility of the air inlet 111. Meanwhile, the trumpet-shaped structural design enables the interior of the shell 1 to have a larger airflow flowing space, airflow can smoothly flow along the inner side curved surface of the air guide ring, and sharp noise is avoided when the airflow flows.
Illustratively, the fan 32 is a centrifugal fan. Compared with an axial flow fan, the arrangement of the centrifugal fan enables the ceiling type air conditioner indoor unit to have a better air induction effect.
Referring to fig. 4 and continuing to fig. 1 and 2, fig. 4 is a partial enlarged view of the interior of the indoor unit of a ceiling type air conditioner according to the present invention, in which a tubular structure of the air guide member is shown. As shown in fig. 1, 2 and 4, in a preferred embodiment, a cylindrical structure 51 extends from the closed end of the wind guiding ring to a direction close to the fan 32. In the mounted state, the cylindrical structures 51 are staggered with the air inlet ends 321 of the fans 32 to enhance the guidance of the air flow. Illustratively, the air inlet side of the fan 32 extends outwards to form an air inlet ring structure, and the cylindrical structures 51 are staggered with the air inlet ring structure and positioned at the inner ring of the air inlet ring.
Referring to fig. 3 and continuing to fig. 1 and 2, fig. 3 is a partial enlarged view of an upper portion of the indoor unit of a ceiling type air conditioner according to the present invention, in which a flange structure of the air guide member is shown. As shown in fig. 1 to 3, a flanging structure 52 is disposed at the flared end of the wind guide ring, and the flanging structure 52 is in snap fit with the casing 1 so as to fix the wind guide ring. The cuff structure 52 is a horizontally extending annular sheet structure as shown in the orientation of fig. 3. The upper end of the side plate of the shell 1 extends to the inside of the shell 1 to form a horizontal flanging, and the edge of the upper panel 11 is connected with the horizontal flanging of the side plate so as to surround the shell 1. In this case, the flanging structure 52 of the wind guiding ring is clamped between the upper panel 11 and the horizontal flanging of the side plate. Of course, the flanging structure 52 can also be connected to the upper panel 11 or the side panel in a screwing/bonding/welding/clamping manner as long as the selected connection manner can meet the installation requirement of the air guide ring.
In a specific embodiment, the heat exchanger 2 is a ring heat exchanger. The wind guide ring and the fan 3 are both positioned on the inner side of the annular heat exchanger. The air outlet 121 is located outside the annular heat exchanger. Specifically, the motor is fixed to the upper panel 11, and both the motor and the fan 32 are located at the center of the inner ring of the air guiding ring. The wind guide ring is positioned in the center of the inner ring of the annular heat exchanger. When the ceiling type air conditioning indoor unit is operated, air flows through a flow path shown by an arrow in fig. 1. The arrangement of the annular heat exchanger greatly increases the heat exchange area, so that the air flow can pass through the annular heat exchanger in an annular diffusion mode and flow out of the air outlet 121, and the heat exchange efficiency of the indoor unit of the ceiling type air conditioner is increased.
Further, the top of annular heat exchanger and 11 butt cooperations on the panel, the bottom of annular heat exchanger passes through water collector 4 butt to lower panel 12 to increase air current heat transfer area by a bigger degree, increased the inside space utilization of casing 1.
In the above embodiments, it can be understood by those skilled in the art that, although the ceiling type air conditioner indoor unit of the present invention has been described with reference to the ring heat exchanger and the horn-shaped air guiding ring, this is only a preferred embodiment of the present invention and does not limit the scope of the present invention. Those skilled in the art can modify the structure or the component composition according to actual design requirements. For example, the shape of the heat exchanger 2 or the air guide member 5 is changed, or the air guide member 5 is directly removed. The above shapes and the adjustment of the components are not beyond the principle and the protection scope of the present invention.
To sum up, the utility model discloses an air intake 111 of machine in suspension type air conditioner sets up on casing 1's top panel 11, and air outlet 121 sets up on casing 1's lower panel 12. The distance between the air inlet 111 and the air outlet 121 is greatly increased by the above-mentioned arrangement mode of the air inlet 111 and the air outlet 121, the air inlet area and the air outlet area are separated by the mode of pulling the distance open, the situations that the air inlet flow and the air outlet flow interfere with each other and are mixed up and the air outlet flow flows out and then directly flows into the air inlet 111 are effectively avoided, the short circuit backflow phenomenon is avoided when the indoor unit of the ceiling type air conditioner operates, the air inlet flow and the air outlet flow can flow without interfering with each other, and the operation effect of the indoor unit of the ceiling type air conditioner is ensured.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a machine in suspension type air conditioning, its characterized in that, machine in suspension type air conditioning include the casing and set up in heat exchanger and fan in the casing, the casing includes top panel and lower panel, be provided with at least one air intake on the top panel, be provided with at least one air outlet on the lower panel, the heat exchanger with the fan all set up in the air intake with between the air outlet, and the heat exchanger with the fan is arranged into and is made the air current flow in the air intake and flow to follow behind the heat exchanger the air outlet flows.
2. The indoor unit of a ceiling type air conditioner as claimed in claim 1, further comprising a guide member connected to the casing, the guide member being disposed between the air inlet end of the blower and the air inlet.
3. The indoor unit of a suspended ceiling type air conditioner as claimed in claim 2, wherein the air guide member is a trumpet-shaped air guide ring, the blower includes a fan and a motor for driving the fan to rotate, the fan is connected to the casing through the motor, a flared end of the air guide ring surrounds and is disposed close to the air inlet, and a closed end of the air guide ring extends to the air inlet end of the fan.
4. The indoor unit of a ceiling type air conditioner as claimed in claim 3, wherein a cylindrical structure is extended from the closed end of the air guide ring to a direction close to the fan,
in the installed state, the cylindrical structure and the air inlet end of the fan are arranged in a staggered mode.
5. The indoor unit of a suspended ceiling type air conditioner as claimed in claim 3, wherein the flared end of the air guiding ring is provided with a flanging structure, and the flanging structure is in snap fit with the casing.
6. The indoor unit of a ceiling-mounted air conditioner as claimed in claim 2, wherein the heat exchanger is an annular heat exchanger, the air guide member and the fan are both located inside the annular heat exchanger, and the air outlet is located outside the annular heat exchanger.
7. The indoor unit of a suspended ceiling type air conditioner as claimed in claim 6, wherein the top end of the ring heat exchanger is engaged with the upper panel in an abutting manner, and the bottom end of the ring heat exchanger is engaged with the lower panel through a water receiving tray.
8. The indoor unit of a ceiling type air conditioner as claimed in claim 1, wherein the fan is a centrifugal fan.
9. The indoor unit of a ceiling type air conditioner as claimed in any one of claims 1 to 8, wherein the air inlet has an arc-shaped structure.
10. The indoor unit of a ceiling-mounted air conditioner as claimed in any one of claims 1 to 8, wherein the number of the outlet ports is plural, and the plural outlet ports are annularly distributed on the lower panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921724086.7U CN210951561U (en) | 2019-10-14 | 2019-10-14 | Ceiling type air conditioner indoor unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921724086.7U CN210951561U (en) | 2019-10-14 | 2019-10-14 | Ceiling type air conditioner indoor unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210951561U true CN210951561U (en) | 2020-07-07 |
Family
ID=71382054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921724086.7U Active CN210951561U (en) | 2019-10-14 | 2019-10-14 | Ceiling type air conditioner indoor unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210951561U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112892093A (en) * | 2021-01-25 | 2021-06-04 | 广东钜宏科技股份有限公司 | FFU device with uniform air volume |
-
2019
- 2019-10-14 CN CN201921724086.7U patent/CN210951561U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112892093A (en) * | 2021-01-25 | 2021-06-04 | 广东钜宏科技股份有限公司 | FFU device with uniform air volume |
CN112892093B (en) * | 2021-01-25 | 2022-05-10 | 广东钜宏科技股份有限公司 | FFU device with uniform air volume |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20200292183A1 (en) | Indoor unit of air conditioner | |
CN106949557B (en) | Wall-mounted air conditioner all-in-one machine | |
CN210951561U (en) | Ceiling type air conditioner indoor unit | |
CN109654605B (en) | Integrated air conditioner | |
CN212618753U (en) | Ceiling machine and air conditioner | |
CN210463126U (en) | Improved commercial microwave oven | |
CN209801630U (en) | Air duct machine | |
CN112728641A (en) | Ceiling type air conditioner indoor unit | |
CN216644347U (en) | Wall-mounted air conditioner | |
CN211119680U (en) | Indoor unit of air conditioner | |
CN112539468A (en) | Indoor unit and air conditioner | |
CN210861393U (en) | Air conditioner | |
CN211260900U (en) | Modularized furnace core of induction cooker | |
CN112303019A (en) | Air duct structure and air conditioner indoor unit with same | |
CN214249830U (en) | Cabinet air conditioner indoor unit and air conditioner | |
CN219433468U (en) | Heat exchange device and air conditioner | |
CN211119668U (en) | Air conditioner | |
CN218033421U (en) | Air conditioner | |
CN212408847U (en) | Indoor unit of air conditioner | |
CN212227231U (en) | Wall-mounted air conditioner indoor unit | |
CN216953242U (en) | Wind pipe machine furred ceiling mounting structure | |
CN210511915U (en) | Indoor unit of air conditioner | |
CN219243753U (en) | Outdoor unit and air conditioner | |
CN213931186U (en) | Air supply assembly, wall hanging machine and air conditioning system | |
CN212390488U (en) | Air conditioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |