CN212108738U - Vertical air conditioner - Google Patents

Vertical air conditioner Download PDF

Info

Publication number
CN212108738U
CN212108738U CN202020717689.0U CN202020717689U CN212108738U CN 212108738 U CN212108738 U CN 212108738U CN 202020717689 U CN202020717689 U CN 202020717689U CN 212108738 U CN212108738 U CN 212108738U
Authority
CN
China
Prior art keywords
mounting
air conditioner
installed part
elastic
hole
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
Application number
CN202020717689.0U
Other languages
Chinese (zh)
Inventor
赵现枫
孟庆功
孟庆刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Air Conditioning Co Ltd
Original Assignee
Hisense Shandong Air Conditioning Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Air Conditioning Co Ltd filed Critical Hisense Shandong Air Conditioning Co Ltd
Priority to CN202020717689.0U priority Critical patent/CN212108738U/en
Application granted granted Critical
Publication of CN212108738U publication Critical patent/CN212108738U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

The utility model discloses a vertical air conditioner, vertical air conditioner includes: a fan having a housing; the installed part, the installed part is established on the casing, install electric heater on the installed part, be formed with at least one ventilation hole on the installed part, the ventilation hole is followed the thickness direction of installed part runs through the installed part. According to the utility model discloses a floor air conditioner is through setting up the installed part on the casing to make and be formed with at least one ventilation hole and ventilation hole on the installed part and run through the installed part along the thickness direction of installed part, can realize electric heater's stable installation, promote whole floor air conditioner's structural stability. Moreover, the ventilation holes can reduce ventilation wind resistance, so that the noise is reduced and the energy consumption of the vertical air conditioner is reduced while the vertical air conditioner is ensured to have a better heating effect.

Description

Vertical air conditioner
Technical Field
The utility model belongs to the technical field of the air conditioner manufacturing technology and specifically relates to a vertical air conditioner is related to.
Background
At present, in order to compensate the problem of insufficient heating capacity of an air conditioner, an electric heater is generally required to be added to an indoor unit of the air conditioner. In the related art, an electric heater is usually mounted on the body of the indoor unit of the air conditioner through an electric heating fixing member. However, the electrical heating fixing member generally increases the ventilation wind resistance of the indoor unit of the air conditioner, thereby causing the air conditioner to have higher noise and higher energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a floor air conditioner, which can reduce ventilation wind resistance, thereby reducing noise and energy consumption.
According to the utility model discloses floor air conditioner, include: a fan having a housing; the installed part, the installed part is established on the casing, install electric heater on the installed part, be formed with at least one ventilation hole on the installed part, the ventilation hole is followed the thickness direction of installed part runs through the installed part.
According to the utility model discloses vertical air conditioner is through setting up the installed part on the casing to make and be formed with at least one ventilation hole and ventilation hole on the installed part and run through the installed part along the thickness direction of installed part, can realize electric heater's stable installation, promote whole vertical air conditioner's structural stability. Moreover, the ventilation holes can reduce ventilation wind resistance, so that the noise is reduced and the energy consumption of the vertical air conditioner is reduced while the vertical air conditioner is ensured to have a better heating effect.
According to some embodiments of the invention, the mounting comprises: one end of the first mounting part is connected with the shell, and the ventilation hole is formed in the first mounting part; the second installation part is connected to the other end of the first installation part, and the electric heater is installed on the second installation part.
According to the utility model discloses a some embodiments, inject in the first installation department towards the open chamber that holds in one side at casing center, it is equipped with a plurality of strengthening ribs of crisscross setting, a plurality of to hold the intracavity the strengthening rib will it separates into a plurality of sub-chambeies, at least one to hold the intracavity part be formed with at least one on the inner wall of sub-chamber the ventilation hole.
According to some embodiments of the invention, the first installation department with second installation department detachably links to each other.
According to some embodiments of the utility model, the top of casing is formed with the mounting hole that link up, the installed part is worn to establish mounting hole department, just the upper end of installed part with the top of casing links to each other, be equipped with the elastic component on two sides relative to each other of installed part respectively, the elastic component with the inner wall of mounting hole ends.
According to some embodiments of the invention, the lower extreme of elastic component with the installed part links to each other, the upper end of elastic component is along keeping away from the direction of installed part, orientation the mounting hole slope extends.
According to some embodiments of the invention, the elastic member comprises: the lower end of the first elastic part is connected with the mounting piece, and the upper end of the first elastic part extends towards the mounting hole in an inclined mode along the direction far away from the mounting piece; the lower extreme of second elastic component with first elastic component the upper end links to each other, the upper end of second elastic component is along keeping away from the direction of installed part, orientation the mounting hole slope extends, just the second elastic component is located the neighbouring of the extension line of first elastic component one side of installed part, the upper end of second elastic component has elasticity to detain, elasticity detain with the inner wall of mounting hole ends.
According to some embodiments of the present invention, the mounting hole is formed with two opposite clamping grooves on an inner wall thereof, and the elastic member is fitted in the clamping grooves on the side of the mounting member.
According to some embodiments of the invention, the mounting member is detachably connected to the housing.
According to some embodiments of the invention, the electric heater is bonded to the mounting member.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a partial schematic view of a floor air conditioner according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A circled in FIG. 1;
fig. 3 is a schematic structural view of a first mounting part of the floor type air conditioner shown in fig. 1.
Reference numerals:
100: a floor air conditioner;
1: a housing; 11: mounting holes; 2: a mounting member; 21: a vent hole;
22: a first mounting portion; 221: an accommodating chamber; 2211: reinforcing ribs;
2212: a sub-cavity; 222: a first sub-mount section; 223: a second sub-mount section;
3: an elastic member; 31: a first elastic part; 32: a second elastic part; 321: an elastic buckle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
A floor type air conditioner 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
As shown in fig. 1, a floor air conditioner 100 according to an embodiment of the present invention includes a blower fan and a mounting member 2.
Specifically, referring to fig. 2 and 3, the blower has a cabinet 1. The mounting member 2 is provided on the cabinet 1, an electric heater (not shown) is mounted on the mounting member 2, and at least one ventilation hole 21 is formed in the mounting member 2, and the ventilation hole 21 penetrates the mounting member 2 in a thickness direction of the mounting member 2.
For example, in the example of fig. 2 and 3, six vent holes 21 are formed in the mounting member 2, and the six vent holes 21 include two vent hole groups arranged at intervals up and down in total, each vent hole group including three vent holes 21. Wherein the size of the vent hole 21 in the middle of the mounting member 2 in each vent hole group may be larger than the size of the vent holes 21 in both sides of the mounting member 2, and the shape and size of the two vent holes 21 in both sides of the mounting member 2 in each vent hole group may be identical. The electric heater may be installed on the cabinet 1 of the blower by the installation member 2 to improve the heating effect of the vertical air conditioner 100. Therefore, by providing the mounting member 2, while the electric heater is firmly mounted, the ventilation wind resistance can be reduced, so that the heating effect of the floor air conditioner 100 can be further improved, the noise of the floor air conditioner 100 can be reduced, and the energy consumption of the floor air conditioner 100 can be reduced.
Six ventilation holes 21 are shown in fig. 1 for illustrative purposes, but it is obvious that a person of ordinary skill after reading the technical solution of the present application can apply the solution to other numbers of ventilation holes 21, which also falls within the protection scope of the present invention.
According to the utility model discloses floor air conditioner 100 is through setting up installed part 2 on casing 1 to make and be formed with at least one ventilation hole 21 and ventilation hole 21 on the installed part 2 and run through installed part 2 along the thickness direction of installed part 2, can realize electric heater's stable installation, promote whole floor air conditioner 100's structural stability. Moreover, the ventilation holes 21 can reduce ventilation wind resistance, thereby reducing noise and reducing energy consumption of the floor air conditioner 100 while ensuring that the floor air conditioner 100 has a good heating effect.
In some embodiments of the present invention, in conjunction with fig. 2 and 3, the mounting member 2 includes a first mounting portion 22 and a second mounting portion (not shown). Specifically, one end of the first mounting portion 22 is connected to the cabinet 1, and the vent hole 21 is formed in the first mounting portion 22. The second mounting portion is connected to the other end of the first mounting portion 22, and the electric heater is mounted on the second mounting portion. For example, referring to fig. 2 in conjunction with fig. 1, the upper end of the first mounting portion 22 is connected to the cabinet 1, and the lower end of the first mounting portion 22 is connected to the upper end of the second mounting portion. The electric heater may be coupled to a lower end of the second mounting portion. Thus, by providing the mounting member 2 with the first mounting portion 22 and the second mounting portion, the first mounting portion 22 and the second mounting portion can be made small in size, facilitating attachment and detachment of the mounting member 2 and the electric heater, and facilitating transportation.
In some optional embodiments of the present invention, referring to fig. 3, the first installation portion 22 defines therein the one-side open accommodating cavity 221 facing the center of the casing 1, the accommodating cavity 221 is provided with a plurality of reinforcing ribs 2211 arranged in a staggered manner, the plurality of reinforcing ribs 2211 divide the inside of the accommodating cavity 221 into a plurality of sub-cavities 2212, and at least one ventilation hole 21 is formed on the inner wall of at least one sub-cavity 2212.
For example, in the example of fig. 3, the first mounting portion 22 may include at least a mounting plate and three shroud plates connected in series, the mounting plate, the three shroud plates and the upper end of the first mounting portion 22 together defining the accommodating chamber 221. Wherein the vent hole 21 is formed on the mounting plate. The three enclosing plates may include a bottom plate and two side plates extending up and down and parallel to each other, and the two side plates are connected between both ends of the bottom plate and the upper end of the first mounting portion 22, respectively. The plurality of reinforcing ribs 2211 may include a plurality of first reinforcing ribs extending up and down and a plurality of second reinforcing ribs extending left and right. Of course, the receiving cavity 221 may also be formed by one side surface of the first mounting part 22 facing the center of the cabinet 1 being recessed toward the other side. It is understood that the formation manner of the receiving cavity 221 can be specifically set according to actual requirements to better meet practical applications. Since the arrangement of the vent hole 21 may reduce the structural strength of the first mounting portion 22, the plurality of reinforcing ribs 2211 may increase the structural strength of the first mounting portion 22 by providing the plurality of reinforcing ribs 2211, thereby preventing the first mounting portion 22 from being deformed by a force applied thereto, and improving the structural stability of the entire vertical air conditioner 100.
Further alternatively, the first and second mounting portions 22 and 22 may be detachably connected. For example, the first and second mounting portions 22 and 22 may be removably coupled by a threaded fastener, such as a screw. But is not limited thereto. So set up, make things convenient for the installation and the dismantlement of first installation department 22 and second installation department, it is very convenient to operate.
In some embodiments of the present invention, with reference to fig. 2 and 3, the top of the casing 1 is formed with a through mounting hole 11, the mounting member 2 is disposed through the mounting hole 11, the upper end of the mounting member 2 is connected to the top of the casing 1, two opposite sides of the mounting member 2 are respectively provided with an elastic member 3, and the elastic member 3 is abutted against the inner wall of the mounting hole 11.
For example, in the example of fig. 2 and 3, the first mounting part 22 of the mounting member 2 includes a first sub-mounting part 222 and a second sub-mounting part 223 connected to each other, the first sub-mounting part 222 having a size larger than that of the mounting hole 11, and the second sub-mounting part 223 having a size smaller than that of the mounting hole 11. The first sub-mount 222 is supported at the top of the cabinet 1 and coupled to the top of the cabinet 1, the second sub-mount 223 passes through the mounting hole 11, and the lower end of the second sub-mount 223 protrudes from the mounting hole 11. The two elastic members 3 are respectively provided at two sides of the second sub-mount 223 opposite to each other. Therefore, by arranging the elastic piece 3, the elastic piece 3 can be stopped against the inner wall of the mounting hole 11 by means of the elasticity of the elastic piece 3, so that the assembling and positioning of the mounting piece 2 can be realized.
Further, referring to fig. 3, the lower end of the elastic member 3 is connected to the mounting member 2, and the upper end of the elastic member 3 extends obliquely toward the mounting hole 11 in a direction away from the mounting member 2. For example, in connection with fig. 3, each elastic member 3 extends obliquely upward in a direction away from the mounting member 2. The upper end of the elastic member 3 is moved toward the mounting member 2 by the force of the inner wall of the mounting hole 11. So set up, when realizing the positioning of the assembly of installed part 2, can guarantee the structural strength of elastic component 3, avoid elastic component 3 to break because of the atress.
In some embodiments of the present invention, as shown in fig. 3, the elastic member 3 includes a first elastic portion 31 and a second elastic portion 32. Specifically, the lower end of the first elastic portion 31 is connected to the mounting member 2, and the upper end of the first elastic portion 31 extends obliquely toward the mounting hole 11 in a direction away from the mounting member 2. The lower end of the second elastic part 32 is connected to the upper end of the first elastic part 31, the upper end of the second elastic part 32 extends obliquely towards the mounting hole 11 along the direction away from the mounting part 2, the second elastic part 32 is located on the side of the extension line of the first elastic part 31 adjacent to the mounting part 2, the upper end of the second elastic part 32 is provided with an elastic buckle 321, and the elastic buckle 321 is stopped against the inner wall of the mounting hole 11.
For example, in the example of fig. 3, the inclination angle of the first elastic portion 31 with respect to the side surface of the first mounting portion 22 is larger than the inclination angle of the second elastic portion 32 with respect to the side surface of the first mounting portion 22. That is, the acute angle sandwiched between the first elastic portion 31 and the side surface of the corresponding first mounting portion 22 is larger than the acute angle sandwiched between the second elastic portion 32 and the side surface of the corresponding first mounting portion 22. Therefore, the elastic piece 3 has better elasticity by arranging the first elastic part 31 and the second elastic part 32, so that the structural strength of the elastic piece 3 is further ensured while the assembly and the positioning of the mounting piece 2 are realized, and the damage is not easy to damage.
Alternatively, two catching grooves (not shown) may be formed on the inner wall of the mounting hole 11 to be opposite to each other, and the elastic members 3 on both sides of the mounting member 2 are fitted into the catching grooves, respectively. For example, the elastic member 3 may be a snap, and the two snap fits into the two slots, respectively. From this, through setting up foretell draw-in groove, can realize the assembly positioning of installed part 2 better, make the connection between installed part 2 and the casing 1 more firm, improve the assembly stability of installed part 2.
Alternatively, the mounting member 2 is detachably connected to the cabinet 1. For example, referring to fig. 3, the first mounting part 22 may include a first sub-mounting part 222 and a second sub-mounting part 223 connected to each other, the first sub-mounting part 222 may be supported on the top of the cabinet 1 and connected to the top of the cabinet 1 by a threaded fastener such as a screw, and the second sub-mounting part 223 protrudes from the mounting hole 11. So set up, simple structure can realize the reliable connection of installed part 2 and casing 1, and conveniently installs and removes.
Optionally, the electric heater is bonded to the mount 2. So, the fixed connection mode between electric heater and installed part 2 is simple, and the cost is lower, and connects firmly, has greatly improved the assembly stability of electric heater and installed part 2.
Other configurations and operations of the floor air conditioner 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An upright air conditioner, comprising:
a fan having a housing;
the installed part, the installed part is established on the casing, install electric heater on the installed part, be formed with at least one ventilation hole on the installed part, the ventilation hole is followed the thickness direction of installed part runs through the installed part.
2. The floor air conditioner of claim 1, wherein the mounting member comprises:
one end of the first mounting part is connected with the shell, and the ventilation hole is formed in the first mounting part;
the second installation part is connected to the other end of the first installation part, and the electric heater is installed on the second installation part.
3. The vertical air conditioner according to claim 2, wherein an accommodating chamber with one open side facing the center of the cabinet is defined in the first mounting portion, a plurality of reinforcing ribs are arranged in the accommodating chamber in a staggered manner, the accommodating chamber is divided into a plurality of sub-chambers by the plurality of reinforcing ribs, and at least one ventilation hole is formed in the inner wall of at least one sub-chamber.
4. The floor air conditioner of claim 2, wherein the first mounting portion and the second mounting portion are detachably connected.
5. The vertical air conditioner according to any one of claims 1 to 4, wherein a through mounting hole is formed at the top of the cabinet, the mounting member is inserted into the mounting hole, the upper end of the mounting member is connected to the top of the cabinet, two opposite side surfaces of the mounting member are respectively provided with an elastic member, and the elastic member is stopped against the inner wall of the mounting hole.
6. The floor air conditioner as claimed in claim 5, wherein the lower end of the elastic member is connected to the mounting member, and the upper end of the elastic member is inclined to extend toward the mounting hole in a direction away from the mounting member.
7. The floor air conditioner according to claim 5, wherein the elastic member comprises:
the lower end of the first elastic part is connected with the mounting piece, and the upper end of the first elastic part extends towards the mounting hole in an inclined mode along the direction far away from the mounting piece;
the lower extreme of second elastic component with first elastic component the upper end links to each other, the upper end of second elastic component is along keeping away from the direction of installed part, orientation the mounting hole slope extends, just the second elastic component is located the neighbouring of the extension line of first elastic component one side of installed part, the upper end of second elastic component has elasticity to detain, elasticity detain with the inner wall of mounting hole ends.
8. The floor air conditioner as claimed in claim 5, wherein two catching grooves are formed on an inner wall of the mounting hole to be opposite to each other, and the elastic members on both the side surfaces of the mounting member are fitted in the two catching grooves, respectively.
9. A floor air conditioner according to any one of claims 1-4, wherein the mounting member is detachably connected to the cabinet.
10. The floor air conditioner according to any one of claims 1 to 4, wherein the electric heater is bonded to the mounting member.
CN202020717689.0U 2020-04-30 2020-04-30 Vertical air conditioner Active CN212108738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020717689.0U CN212108738U (en) 2020-04-30 2020-04-30 Vertical air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020717689.0U CN212108738U (en) 2020-04-30 2020-04-30 Vertical air conditioner

Publications (1)

Publication Number Publication Date
CN212108738U true CN212108738U (en) 2020-12-08

Family

ID=73619369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020717689.0U Active CN212108738U (en) 2020-04-30 2020-04-30 Vertical air conditioner

Country Status (1)

Country Link
CN (1) CN212108738U (en)

Similar Documents

Publication Publication Date Title
CN102401424B (en) Cabinet air conditioner
CN214009399U (en) Outdoor unit of air conditioner
CN212108738U (en) Vertical air conditioner
CN104033966A (en) Equipment cabinet air conditioner
CN215062436U (en) Indoor machine of air conditioner
CN213395571U (en) Air conditioner
CN211903096U (en) Outdoor machine of air conditioner
CN211903095U (en) Outdoor machine of air conditioner
EP1800076B1 (en) Refrigerator
CN213630669U (en) Indoor machine of air conditioner
KR20180016837A (en) Battery module heat exchanger for vechicle
KR101307597B1 (en) Battery Cubicle Airconditioner
CN220742640U (en) Air conditioner
CN201750670U (en) Cabinet air-conditioner
CN217004692U (en) Indoor machine of air conditioner
CN214619844U (en) Outdoor machine of air conditioner
CN215412184U (en) Air conditioner
CN214281080U (en) Motor mounting seat and air conditioner with same
CN217715405U (en) Indoor unit of air conditioner
CN216633133U (en) Portable welding machine capable of laterally exhausting air
CN215637535U (en) Indoor unit of air conditioner
CN218410082U (en) Indoor machine of air conditioner
CN216424007U (en) Parking air conditioner
CN217715158U (en) Air conditioner
CN221055120U (en) Wall-mounted air conditioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant