CN217565723U - Instant drinking system and water dispenser - Google Patents
Instant drinking system and water dispenser Download PDFInfo
- Publication number
- CN217565723U CN217565723U CN202220725201.8U CN202220725201U CN217565723U CN 217565723 U CN217565723 U CN 217565723U CN 202220725201 U CN202220725201 U CN 202220725201U CN 217565723 U CN217565723 U CN 217565723U
- Authority
- CN
- China
- Prior art keywords
- zone
- water
- heat exchange
- heating
- water inlet
- 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
Images
Landscapes
- Apparatus For Making Beverages (AREA)
Abstract
The utility model discloses an instant drinking system and a water dispenser, wherein the instant drinking system comprises a water inlet, a first heating zone for heating water to a first temperature value, a first water inlet heat exchange zone, a boiling point heating zone for heating water to a boiling point, a boiling water zone, a first water outlet heat exchange zone and a water outlet which are sequentially communicated; and the first water inlet heat exchange area and the first water outlet heat exchange area are in heat transfer by convection through the partition wall. Through implementing the utility model discloses, can make the play water can obtain suitable temperature immediately, need not wait for a long time. And because the method of internal heat exchange is adopted, the heat energy released by the cooling water is converted and used for heating the water which is not subjected to high-temperature sterilization, so that the energy can be recycled, and the energy consumption is greatly reduced. In addition, the boiling water zone can also be used for making tea and coffee.
Description
Technical Field
The utility model relates to a drinking water heating technical field especially relates to a drink system and water dispenser promptly.
Background
The existing common method for heating drinking water is that a water dispenser heats water to 100 ℃, and then the water reaches the temperature suitable for human bodies to drink in a natural cooling mode, but the problems that the water dispenser heats water with large energy consumption, the boiled water needs to wait for a long time and the water dispenser has single function exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a drink system and water dispenser promptly to at least one defect that prior art exists.
The utility model provides a technical scheme that its technical problem adopted is: constructing a ready-to-drink system, which comprises a water inlet, a first heating zone for heating water to a first temperature value, a first water inlet heat exchange zone, a boiling point heating zone for heating water to a boiling point, a boiling water zone, a first water outlet heat exchange zone and a water outlet which are communicated in sequence;
and the first water inlet heat exchange area and the first water outlet heat exchange area are in heat transfer by convection through a partition wall.
Preferably, in the instant drinking system of the present invention, the instant drinking system further comprises at least one set of a second heating zone and a second water inlet heat exchange zone sequentially communicated between the first water inlet heat exchange zone and the boiling point heating zone along the water inlet direction, and at least one second water outlet heat exchange zone communicated between the boiling water zone and the first water outlet heat exchange zone;
the second heating zone is used for heating water to a second temperature value, and the second temperature value is greater than the first temperature value;
and the second water inlet heat exchange area and the second water outlet heat exchange area are subjected to heat transfer by convection through partition walls.
Preferably, in the instant drinking system, the first heating zone, the second heating zone and the boiling point heating zone respectively include drinking water pipe and set up and be in heating element on the drinking water pipe.
Preferably, in the instant drinking system of the present invention, the drinking water pipe is a heat pipe, and the heating member is a heating wire; the heating wire is wound on the outer surface of the heat conduction pipe.
Preferably, in the instant drinking system of the present invention, the first water inlet heat exchange area and the second water inlet heat exchange area are water inlet heat exchange pipes, respectively;
the first water outlet heat exchange area and the second water outlet heat exchange area are water outlet heat exchange pipelines respectively;
the water inlet heat exchange pipeline and the water outlet heat exchange pipeline are mutually wound to conduct heat through partition wall convection.
Preferably, in the instant drinking system of the present invention, the drinking water pipe is connected to the water inlet heat exchange pipe through a connection pipe.
Preferably, in the instant drinking system of the present invention, the connecting pipe is U-shaped.
Preferably, in the instant drinking system, the instant drinking system further comprises a heat insulating layer for wrapping the first heating zone, the second heating zone and the boiling point heating zone, the first water inlet heat exchange zone and the first water outlet heat exchange zone heat exchange part, and the second water inlet heat exchange zone and the second water outlet heat exchange zone heat exchange part.
Preferably, in the instant drinking system of the present invention, the instant drinking system further comprises a support;
the first heating area, the first water inlet heat exchange area, the second heating area, the second water inlet heat exchange area, the boiling point heating area, the second water outlet heat exchange area and the first water outlet heat exchange area are arranged on the bracket.
Preferably, in the instant drinking system of the present invention, the instant drinking system further comprises a main controller for controlling the first heating zone, the second heating zone and the boiling point heating zone to heat.
Preferably, in the instant drinking system of the present invention, the instant drinking system further comprises a temperature sensor respectively disposed at the water outlet end of the first heating zone, the second heating zone and the boiling point heating zone and electrically connected to the main controller.
Preferably, in the instant drinking system of the present invention, the instant drinking system further comprises a transmission device disposed between the water inlet and the first heating zone and electrically connected to the main controller.
Preferably, in the instant drinking system of the present invention, the instant drinking system further includes a switch device disposed between the water outlet and the first water outlet heat exchange region and electrically connected to the main controller.
Preferably, in the instant drinking system of the present invention, the boiling water zone includes a container with an opening at one end and a cover plate for covering the opening.
Preferably, in the instant drinking system of the present invention, the boiling water zone further comprises a filter disposed in the container.
The utility model also constructs a water dispenser which comprises a water storage tank and any one of the instant drinking systems;
the water storage tank is communicated with the water inlet.
Through implementing the utility model discloses, following beneficial effect has:
the utility model designs an instant drinking system, which comprises a water inlet, a first heating zone for heating water to a first temperature value, a first water inlet heat exchange zone, a boiling point heating zone for heating water to a boiling point, a boiling water zone, a first water outlet heat exchange zone and a water outlet which are communicated in sequence; the first water inlet heat exchange area and the first water outlet heat exchange area are in convection heat transfer through the partition wall, so that the outlet water can immediately obtain a proper temperature without waiting for a long time. And because the method of internal heat exchange is adopted, the heat energy released by the cooling water is converted and used for heating the water which is not subjected to high-temperature sterilization, so that the energy can be recycled, and the energy consumption is greatly reduced. In addition, the boiling water zone can also be used for making tea and coffee.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of the overall structure of the water dispenser of the present invention;
FIG. 2 is a schematic view of the overall structure of the water dispenser with the front cover plate opened on the basis of FIG. 1;
FIG. 3 is an exploded view of the water dispenser on the basis of FIG. 1;
FIG. 4 is a first exploded schematic view of the ready-to-drink system shown in FIG. 3;
FIG. 5 is an exploded view of the ready-to-drink system of FIG. 3;
FIG. 6 is a schematic illustration of a ready-to-drink system;
fig. 7 is a schematic view of a ready-to-drink system.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, 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 chemically 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 of ordinary skill in the art through specific situations.
The first embodiment, as shown in fig. 4-6, discloses a ready-to-drink system 1, which includes a water inlet 10, a first heating zone 11 for heating water to a first temperature value, a first water inlet heat exchange zone 12, a boiling point heating zone 15 for heating water to a boiling point, a boiling water zone 16, a first water outlet heat exchange zone 18, and a water outlet 19, which are connected in sequence; the first inlet heat transfer zone 12 and the first outlet heat transfer zone 18 are in convective heat transfer through the partition walls. Wherein the boiling water zone 16 is available for brewing.
With the instant drinking system 1 of the present embodiment, the outlet water can immediately obtain a suitable temperature without waiting for a long time. And because the method of internal heat exchange is adopted, the heat energy released by the cooling water is converted and used for heating the water which is not subjected to high-temperature disinfection, so that the energy can be recycled, and the energy consumption is greatly reduced. In addition, the boiling water zone 16 may also be used for brewing tea and coffee.
In some embodiments, the ready-to-drink system 1 further comprises at least one set of a second heating zone 13 and a second water inlet heat transfer zone 14 in communication with the first water inlet heat transfer zone 12 and the boiling point heating zone 15 in sequence along the water inlet direction, and at least one second water outlet heat transfer zone 17 in communication with the boiling point water zone 16 and the first water outlet heat transfer zone 18; the second heating zone 13 is used for heating the water to a second temperature value, and the second temperature value is greater than the first temperature value; and the heat transfer is carried out between the second water inlet heat transfer area 14 and the second water outlet heat transfer area 17 through partition wall convection. Wherein, a group of the second heating zone 13 and the second water inlet heat exchange zone 14 and a second water outlet heat exchange zone 17 are correspondingly present, when two or more groups are included, the heating to the boiling point can be divided into a plurality of temperature value stages, such as 50 ℃, 60 ℃,70 ℃, 80 ℃ and 90 ℃.
Preferably, the ready-to-drink system 1 further comprises a set of a second heating zone 13 and a second water inlet heat exchange zone 14 sequentially communicated between the first water inlet heat exchange zone 12 and the boiling point heating zone 15 along the water inlet direction, and a second water outlet heat exchange zone 17 communicated between the boiling water zone 16 and the first water outlet heat exchange zone 18; the second heating zone 13 is used for heating the water to a second temperature value, and the second temperature value is greater than the first temperature value; the convection heat transfer between the second water inlet heat transfer area 14 and the second water outlet heat transfer area 17 is realized through partition walls.
Specifically, as shown in fig. 6, cold water (e.g., 25 ℃) enters the first heating zone 11 through the water inlet 10 and is heated to a first temperature value (e.g., 40 ℃), then enters the second heating zone 13 through the first water inlet heat exchange zone 12 and is heated to a second temperature value (e.g., 70 ℃), then enters the boiling point heating zone 15 through the second water inlet heat exchange zone 14 and is heated to 100 ℃, boiling water enters the boiling water zone 16 for making tea or coffee, the completely brewed liquid enters the second water outlet heat exchange zone 17, heat is convected between the second water outlet heat exchange zone 17 and the second water inlet heat exchange zone 14 through partition walls, the liquid at the temperature of 100 ℃ is cooled to a third temperature value (e.g., 70 ℃), then the liquid at the second temperature value enters the first water outlet heat exchange zone 18, heat is convected between the first water outlet heat exchange zone 18 and the first water inlet heat exchange zone 12 through partition walls, the liquid at the second temperature value is cooled to a fourth temperature value (e.g., 40 ℃) and flows out from the water outlet 19, so that the outlet water can obtain a suitable temperature immediately. At the same time, the second outlet heat transfer zone 17 may transfer energy to the second inlet heat transfer zone 14 to heat the water, and the first outlet heat transfer zone 18 may transfer energy to the first inlet heat transfer zone 12 to heat the water. It should be noted that 25 ℃,40 ℃ and 70 ℃ are merely examples, and are not limited thereto, and may have other temperature values. In addition, the boiling water region 16 may be used for making tea or coffee, or may be used directly for containing boiling water.
Therein, the ready-to-drink system 1 is illustrated as follows: when the water circulates, the first heating zone 11 is mainly operated, the second heating zone 13 and the boiling point heating zone 15 only start the auxiliary heating function (mainly compensate the heat loss part from the outside), and the temperature from 40 ℃ to 100 ℃ is mainly improved by internal heat exchange. It is theoretically only necessary to provide energy from 25 c to 40 c (15 c temperature rise) to achieve the heating to 100 c and sterilization functions. The common method needs 75 ℃ temperature rise to realize the high-temperature disinfection function, and the drinkable proper temperature can not be obtained immediately.
In some embodiments, the first heating zone 11, the second heating zone 13, and the boiling point heating zone 15 each include a drinking conduit and a heat generating member disposed on the drinking conduit. For example, the drinking water pipe is a heat pipe, the heating element is a heating wire, the heating wire is wound on the outer surface of the heat pipe, and taking the first heating area 11 as an example, 111 is the drinking water pipe, and 112 is the heating element.
In some embodiments, the first water intake heat transfer zone 12 and the second water intake heat transfer zone 14 are water intake heat transfer tubes, respectively; the first water outlet heat exchange area 18 and the second water outlet heat exchange area 17 are water outlet heat exchange pipelines respectively; the water inlet heat exchange pipeline and the water outlet heat exchange pipeline are mutually wound to conduct heat in a convection mode through the dividing wall.
In some embodiments, the drinking water pipe and the water inlet heat exchange pipe are connected with each other and the water outlet heat exchange pipe is connected with each other through a connecting pipe 20. Preferably, the connection pipe 20 is U-shaped, so that the drinking water pipe, the water inlet heat exchange pipe and the water outlet heat exchange pipe are intensively arranged at one position, and the space is saved.
In some embodiments, to avoid energy loss, the ready-to-drink system 1 further includes a thermal insulation layer 21 for encasing heat generating portions of the first heating zone 11, the second heating zone 13, and the boiling point heating zone 15, a heat exchanging portion of the first inlet heat exchanging zone 12 and the first outlet heat exchanging zone 18, and a heat exchanging portion of the second inlet heat exchanging zone 14 and the second outlet heat exchanging zone 17. Specifically, a heat insulation pipe is surrounded on the outer surface of the drinking water pipeline and the outer surface of the wound water inlet heat exchange pipe and the wound water outlet heat exchange pipe.
In some embodiments, the ready-to-drink system 1 further includes a stand 26. The first heating area 11, the first water inlet heat exchange area 12, the second heating area 13, the second water inlet heat exchange area 14, the boiling point heating area 15, the second water outlet heat exchange area 17 and the first water outlet heat exchange area 18 are arranged on the bracket 26. Specifically, a drinking water pipe, a water inlet heat exchange pipe and a water outlet heat exchange pipe are inserted at both ends of the bracket 26.
In this embodiment, as shown in fig. 7, the ready-to-drink system 1 further comprises a master 22 for controlling the first heating zone 11, the second heating zone 13 and the boiling point heating zone 15 for heating. Specifically, the heating wire is controlled to generate heat.
In this embodiment, the instant drinking system 1 further includes a temperature sensor 23 respectively disposed at the water outlet ends of the first heating zone 11, the second heating zone 13 and the boiling point heating zone 15 and electrically connected to the main controller 22, for controlling to stop heating when a preset temperature value is reached.
In this embodiment, the ready-to-drink system 1 further comprises a transmission device 24, such as a water pump, arranged between the water inlet 10 and the first heating zone 11 and electrically connected to the main controller 22.
In this embodiment, the ready-to-drink system 1 further includes a switch device 25, such as a solenoid valve, disposed between the water outlet 19 and the first water outlet heat exchange region 18 and electrically connected to the main controller 22.
In some embodiments, the boiling water zone 16 includes an open-ended container 161 and a cover 162 for covering the opening. Preferably, as can be used for making tea or coffee, the boiling water zone 16 also comprises a filter provided in the container 161, avoiding impurities to block the pipes.
A second embodiment, as shown in fig. 1-3, discloses a water dispenser, which comprises a water storage tank 2 and the ready-to-drink system 1 of any one of the first embodiment, wherein the water storage tank 2 is communicated with a water inlet 10.
Completely, the water dispenser also comprises a seat type shell 3, which comprises a front shell 32, a rear shell 33 and a front cover plate 31 which can be turned and opened on the front shell 32, wherein the boiling water area 16 is arranged on the front shell 32, and the water storage tank 2 is arranged on the rear shell 33.
Through implementing the utility model discloses, following beneficial effect has:
the utility model designs a ready-to-drink system 1, which comprises a water inlet 10, a first heating zone 11 for heating water to a first temperature value, a first water inlet heat exchange zone 12, a boiling point heating zone 15 for heating water to a boiling point, a boiling water zone 16, a first water outlet heat exchange zone 18 and a water outlet 19 which are sequentially communicated; the first inlet heat exchange zone 12 and the first outlet heat exchange zone 18 are in convective heat transfer through the partition walls, so that the outlet water can immediately obtain a proper temperature without waiting for a long time. And because the method of internal heat exchange is adopted, the heat energy released by the cooling water is converted and used for heating the water which is not subjected to high-temperature sterilization, so that the energy can be recycled, and the energy consumption is greatly reduced. In addition, the boiling water zone 16 may also be used for brewing tea and coffee.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (16)
1. The instant drinking system is characterized by comprising a water inlet (10), a first heating zone (11) for heating water to a first temperature value, a first water inlet heat exchange zone (12), a boiling point heating zone (15) for heating water to a boiling point, a boiling water zone (16), a first water outlet heat exchange zone (18) and a water outlet (19) which are sequentially communicated;
convective heat transfer between the first inlet heat transfer zone (12) and the first outlet heat transfer zone (18) is via partitions.
2. The ready-to-drink system according to claim 1 further comprising at least one set of a second heating zone (13) and a second water inlet heat transfer zone (14) in communication in series along the water inlet direction between the first water inlet heat transfer zone (12) and the boiling point heating zone (15), and at least one second water outlet heat transfer zone (17) in communication between the boiling water zone (16) and the first water outlet heat transfer zone (18);
the second heating zone (13) is used for heating water to a second temperature value, and the second temperature value is greater than the first temperature value;
and the second water inlet heat exchange area (14) and the second water outlet heat exchange area (17) are in heat transfer by convection through partition walls.
3. The ready-to-drink system according to claim 2, characterized in that the first heating zone (11), the second heating zone (13) and the boiling point heating zone (15) comprise a drinking duct and a heat generating element arranged on the drinking duct, respectively.
4. The ready-to-drink system of claim 3, wherein the drinking conduit is a heat pipe and the heating element is a heater; the heating wire is wound on the outer surface of the heat conduction pipe.
5. The ready-to-drink system according to claim 3, wherein the first water inlet heat exchange area (12) and the second water inlet heat exchange area (14) are water inlet heat exchange tubes, respectively;
the first water outlet heat exchange area (18) and the second water outlet heat exchange area (17) are water outlet heat exchange pipelines respectively;
the water inlet heat exchange pipeline and the water outlet heat exchange pipeline are mutually wound to conduct heat through partition wall convection.
6. The ready-to-drink system according to claim 5, wherein the drinking water pipe and the water inlet heat exchange pipe and the water outlet heat exchange pipe are connected by a connecting pipe (20).
7. The ready-to-drink system according to claim 6, wherein the connecting duct (20) is U-shaped.
8. The ready-to-drink system according to claim 2, further comprising a heat insulating layer (21) for encasing the first heating zone (11), the second heating zone (13) and the heat generating part of the boiling point heating zone (15), the first water inlet heat transfer zone (12) and the first water outlet heat transfer zone (18) heat exchanging part, and the second water inlet heat transfer zone (14) and the second water outlet heat transfer zone (17) heat exchanging part.
9. The ready-to-drink system according to claim 2 further comprising a stand (26);
the first heating zone (11), the first water inlet heat exchange zone (12), the second heating zone (13), the second water inlet heat exchange zone (14), the boiling point heating zone (15), the second water outlet heat exchange zone (17) and the first water outlet heat exchange zone (18) are arranged on the bracket (26).
10. The ready-to-drink system according to claim 2, further comprising a master (22) for controlling the heating of the first heating region (11), the second heating region (13) and the boiling point heating region (15).
11. The ready-to-drink system according to claim 10, further comprising temperature sensors (23) arranged at the water outlet ends of the first heating zone (11), the second heating zone (13) and the boiling point heating zone (15), respectively, and electrically connected to the master (22).
12. The ready-to-drink system according to claim 10, further comprising a transmission device (24) provided between the water inlet (10) and the first heating zone (11) and electrically connected to the master (22).
13. The ready-to-drink system according to claim 10, further comprising a switching device (25) arranged between the water outlet (19) and the first outlet heat exchange zone (18) and electrically connected to the main controller (22).
14. The ready-to-drink system according to claim 1, wherein the boiling water zone (16) comprises a container (161) open at one end and a cover plate (162) for closing the opening.
15. The ready-to-drink system according to claim 14, wherein the boiling water zone (16) further comprises a filter disposed in the container (161).
16. A water dispenser characterized by comprising a water storage tank (2) and the ready-to-drink system according to any one of claims 1 to 15;
the water storage tank (2) is communicated with the water inlet (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220725201.8U CN217565723U (en) | 2022-03-30 | 2022-03-30 | Instant drinking system and water dispenser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220725201.8U CN217565723U (en) | 2022-03-30 | 2022-03-30 | Instant drinking system and water dispenser |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217565723U true CN217565723U (en) | 2022-10-14 |
Family
ID=83540303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220725201.8U Active CN217565723U (en) | 2022-03-30 | 2022-03-30 | Instant drinking system and water dispenser |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217565723U (en) |
-
2022
- 2022-03-30 CN CN202220725201.8U patent/CN217565723U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109008628B (en) | Water dispenser and water source cooling device | |
CA2349634A1 (en) | Gas water heater | |
CN106880291A (en) | A kind of back-heating type temperature controllable boiler and its control method | |
CN217565723U (en) | Instant drinking system and water dispenser | |
WO2022143223A1 (en) | In-line heater | |
CN217565694U (en) | Movable water dispenser | |
US4203300A (en) | Horizontal direct fired water bath propane vaporizer | |
CN114794879A (en) | Instant drinking system and water dispenser | |
CN114680621A (en) | Movable water dispenser | |
CN215479812U (en) | Waterway structure and water purifier | |
EP2633246A2 (en) | A water storage tank and heating apparatus for the water storage tank, and a method for heating water in a water storage tank | |
JP2012007849A (en) | Hot water storage tank unit | |
CN108224750A (en) | A kind of drinking equipment heating system | |
CN216494879U (en) | Heat exchange part, water dispenser and drinking water system | |
CN113562791A (en) | Waterway structure and water purifier | |
EP1566598A1 (en) | Instant electric water heater | |
CN113757773A (en) | Heating stove and control method thereof | |
CN216203256U (en) | Steam generator for water heater and water heater | |
CN208832573U (en) | Fused salt heating installation and fused salt heating system | |
CN219982686U (en) | Cold and white water purifying and discharging device | |
CN220152928U (en) | Water drinking device | |
CN218763999U (en) | Novel heat storage water tank | |
CN205860489U (en) | A kind of fuel oil silicone oil boiler | |
CN215892770U (en) | Phase-change energy storage water heater system | |
CN220083336U (en) | Hot water tank structure and water heater |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |