CN220328154U - Multiple filter equipment of champignon volatile liquid production - Google Patents
Multiple filter equipment of champignon volatile liquid production Download PDFInfo
- Publication number
- CN220328154U CN220328154U CN202321792485.3U CN202321792485U CN220328154U CN 220328154 U CN220328154 U CN 220328154U CN 202321792485 U CN202321792485 U CN 202321792485U CN 220328154 U CN220328154 U CN 220328154U
- Authority
- CN
- China
- Prior art keywords
- volatile liquid
- filter screen
- aromatherapy
- filter box
- filter
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 241000222519 Agaricus bisporus Species 0.000 title claims description 16
- 235000001674 Agaricus brunnescens Nutrition 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000000222 aromatherapy Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract 4
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 8
- 241000220317 Rosa Species 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OKTJSMMVPCPJKN-OUBTZVSYSA-N Carbon-13 Chemical compound [13C] OKTJSMMVPCPJKN-OUBTZVSYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Landscapes
- Devices For Medical Bathing And Washing (AREA)
Abstract
The utility model discloses a multiple filtering device for producing aromatherapy volatile liquid, which comprises a supporting frame and a shaking filtering mechanism; a supporting frame: the filter box is arranged in the filter box, a feeding funnel is arranged at a feeding hole formed in the upper end of the filter box, a discharging pipe is arranged at a discharging hole formed in the lower end of the filter box, a flange plate is arranged at the lower end of the discharging pipe, a flow guiding disc is arranged at the upper end of the filter box, a glass window is arranged in a mounting hole formed in the front side surface of the filter box, and padding feet are arranged at four corners of the lower end of the support frame; shaking the filtering mechanism: the multifunctional aromatherapy volatile liquid filtering device comprises an oscillation plate and a filter screen frame, wherein the oscillation plate is in sliding connection with the filter screen frame in a sliding notch formed in the left side of the upper end of the filter box, the filter screen frame is fixedly connected to the upper end of the oscillation plate, the aromatherapy volatile liquid is produced into multiple filtering devices, the filtering efficiency of one layer of large particles of the aromatherapy volatile liquid can be effectively increased through the oscillation filtering mechanism, and the secondary absorption filter screen can be rapidly detached, so that time and labor are saved in the replacement process of personnel.
Description
Technical Field
The utility model relates to the technical field of aromatherapy volatile liquid production, in particular to a multiple filtering device for aromatherapy volatile liquid production.
Background
The aromatherapy volatile liquid is liquid in aromatherapy products such as aromatherapy candles, aromatherapy lamps, aromatherapy stones, aromatherapy spray and the like, is formed by mixing natural plant essential oil, synthetic perfume, solvents and other additives, can release aroma through modes such as heating, volatilizing or spraying and the like, is used for improving indoor air quality, adjusting emotion, relieving pressure and the like, impurities of the aromatherapy volatile liquid need to be filtered in the production process of the aromatherapy volatile liquid, a plurality of filtering devices are produced by the aromatherapy volatile liquid, a part of the conventional plurality of filtering devices pour the aromatherapy volatile liquid needing to be filtered into a filtering box for personnel, then large-particle impurities are filtered through a first layer of filtering net, then the aromatherapy volatile liquid falls onto a second filtering net for impurity adsorption and filtration due to gravity, and although the aromatherapy volatile liquid can be filtered effectively, a layer of filtering net is fixedly arranged and can not shake to increase the filtering efficiency of the aromatherapy volatile liquid, so that the efficiency of the aromatherapy volatile liquid is greatly reduced, and two layers of active carbon adsorption needs frequent replacement, and personnel need to detach the aromatherapy volatile liquid by screwing tools.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the multiple filtering device for producing the aromatherapy volatile liquid, which can effectively increase the filtering efficiency of one layer of large particles of the aromatherapy volatile liquid by shaking the filtering mechanism, and the secondary adsorption filter screen can be quickly detached, so that time and labor are saved in the replacement process of personnel, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multiple filtering device for aromatherapy volatile liquid production comprises a supporting frame and a shaking filtering mechanism;
a supporting frame: the filter box is arranged in the filter box, a feeding funnel is arranged at a feeding hole formed in the upper end of the filter box, a discharging pipe is arranged at a discharging hole formed in the lower end of the filter box, a flange plate is arranged at the lower end of the discharging pipe, a flow guiding disc is arranged at the upper end of the filter box, a glass window is arranged in a mounting hole formed in the front side surface of the filter box, and padding feet are arranged at four corners of the lower end of the support frame;
shaking the filtering mechanism: the filter comprises a shaking plate and a filter screen frame, wherein the shaking plate is slidably connected in a sliding notch formed in the left side of the upper end of the filter box, the filter screen frame is fixedly connected to the upper end of the shaking plate, the filtering efficiency of one layer of large particles of aromatherapy volatile liquid can be effectively increased through a shaking filtering mechanism, and the filter screen can be quickly detached through secondary adsorption, so that time and labor are saved in the process of personnel replacement.
Further, the electric appliance control device also comprises a control switch group, wherein the control switch group is arranged on the front side surface of the support frame, and the input end of the control switch group is electrically connected with an external power supply to control the electric appliance.
Further, rock filter mechanism still includes motor, crank and rotation seat, the rotation seat sets up in the upper end right side of rocking the board, rotates the inside rotation of seat and is connected with the connecting rod, and the right side upper end rotation of connecting rod is connected with the crank, and the right side upper end of rose box is provided with the motor, and the output shaft and the crank bottom fixed connection of motor, the output of control switch group has been connected to the input electricity of motor, has realized once rocking the filtration to the champignon volatile liquid.
Further, the active carbon filter screen is connected in a sliding way in the sliding groove formed in the lower end of the front side of the filter box, and the handle is arranged in the middle of the front side of the active carbon filter screen, so that the secondary filtration of the aromatherapy volatile liquid is realized.
Further, the lower extreme left and right sides of rose box all rotates and is connected with the spliced pole, all sliding connection has the clamp plate on the extrados of spliced pole, and the clamp plate all cooperates the installation with the active carbon filter screen, has realized the locking to the active carbon filter screen.
Further, the front end of the rotating column is fixedly connected with a limiting disc, springs are respectively arranged between the pressing plate and the limiting disc, and the springs are respectively sleeved on the outer cambered surface of the rotating column, so that the activated carbon filter screen is driven to be locked.
Furthermore, the middle part of discharging pipe is established ties and is had the solenoid valve, and the output of control switch group has been connected to the input electricity of solenoid valve, has realized the unloading to the aromatherapy volatile liquid that filters.
Compared with the prior art, the utility model has the beneficial effects that: this aromatherapy volatile liquid production multiple filter equipment has following benefit:
personnel will need carry out filterable champignon volatile liquid and add to the inside of rose box through feed hopper, the champignon volatile liquid drops to the filter screen frame through the refluence of water conservancy diversion dish, then personnel opens motor operation through control switch group control, the output shaft rotates and drives the crank and make radius rotation for the centre of a circle, the crank drives the connecting rod, the connecting rod drives the filter screen frame on the filter screen that rocks the board and inside champignon volatile liquid do reciprocal rocking, make the champignon volatile liquid faster flow repeatedly and carry out first layer filtration, filtered champignon volatile liquid drops to the active carbon filter screen owing to self gravity on, the active carbon filter screen carries out impurity adsorption filtration to it, the personnel immediately opens the solenoid valve through control switch group control, to follow the champignon volatile liquid that the active carbon filter screen filters the completion carries out the unloading, when needs to change the active carbon filter screen, personnel stir the clamp plate of both sides right, make it leave the surface of active carbon filter screen, personnel pull out the active carbon filter screen from the sliding tray in the sliding tray on, personnel inserts new active carbon filter screen to the sliding tray, then personnel stir the clamp plate of both sides left side, make its laminating active carbon filter screen surface, the quick and quick response filter screen can be removed through the spring, can make the filter screen can be removed the filter media through the quick-time-saving mechanism in the filter screen, the filtration mechanism is realized to the filter medium, the filtration can be realized by the quick-time-efficient, the filter medium can be changed to the filter screen surface has high-efficient to the filter quality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the filter box of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 4 is a schematic cross-sectional front view of the filter box of the present utility model.
In the figure: 1 supporting frame, 2 rocking filter mechanism, 21 rocking plate, 22 motor, 23 crank, 24 rotation seat, 25 filter screen frame, 3 rose box, 4 solenoid valve, 5 discharging pipe, 6 control switch group, 7 feed hopper, 8 water conservancy diversion dish, 9 clamp plates, 10 spacing dish, 11 rotation post, 12 spring, 13 active carbon filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: a multiple filtering device for aromatherapy volatile liquid production comprises a supporting frame 1 and a shaking filtering mechanism 2;
support frame 1: the filter box 3 is arranged in the filter box, a feeding funnel 7 is arranged at a feeding hole formed in the upper end of the filter box 3, a discharging pipe 5 is arranged at a discharging hole formed in the lower end of the filter box 3, a flange plate is arranged at the lower end of the discharging pipe 5, a flow guide disk 8 is arranged at the upper end of the filter box 3, a glass window is arranged in a mounting hole formed in the front side surface of the filter box 3, and padding feet are arranged at four corners of the lower end of the support frame 1;
shaking the filtering mechanism 2: the utility model comprises a shaking plate 21 and a filter screen frame 25, the shaking plate 21 is connected in a sliding notch formed in the left side of the upper end of a filter box 3 in a sliding way, the upper end of the shaking plate 21 is fixedly connected with the filter screen frame 25, the shaking filter mechanism 2 also comprises a motor 22, a crank 23 and a rotating seat 24, the rotating seat 24 is arranged on the right side of the upper end of the shaking plate 21, a connecting rod is connected in a rotating way in the rotating seat 24, the crank 23 is connected in a rotating way on the upper end of the right side of the connecting rod, a motor 22 is arranged on the upper end of the right side of the filter box 3, an output shaft of the motor 22 is fixedly connected with the bottom end of the crank 23, an input end of the motor 22 is electrically connected with an output end of a control switch group 6, an active carbon filter screen 13 is connected in a sliding way in a sliding groove formed in the lower end of the front side of the filter box 3, a handle is arranged in the middle of the front side of the active carbon filter screen 13, a rotating column 11 is connected on the left and right sides of the lower end of the filter box 3 in a rotating way, the outer cambered surface of the rotating column 11 is connected with a pressing plate 9 in a sliding manner, the pressing plate 9 is matched with an activated carbon filter screen 13, the front end of the rotating column 11 is fixedly connected with a limiting disc 10, springs 12 are respectively arranged between the pressing plate 9 and the limiting disc 10, the springs 12 are respectively sleeved on the outer cambered surface of the rotating column 11, the middle part of a discharging pipe 5 is connected with an electromagnetic valve 4 in series, the input end of the electromagnetic valve 4 is electrically connected with the output end of a control switch group 6, personnel adds the aromatherapy volatile liquid needing to be filtered into the filter box 3 through a feeding funnel 7, the aromatherapy volatile liquid falls onto a filter screen frame 25 through the backflow of a guide disc 8, then the personnel controls an opening motor 22 to operate through the control switch group 6, an output shaft rotates to drive a crank 23 to rotate by taking the self as a circle center, the crank 23 drives a connecting rod, the connecting rod drives the filter screen frame 25 on a shaking plate 21 and the aromatherapy volatile liquid inside to shake reciprocally, make the aromatherapy volatile liquid faster flow repeatedly and carry out the first floor and filter, the aromatherapy volatile liquid that has filtered drops to on the active carbon filter screen 13 owing to self gravity, active carbon filter screen 13 carries out impurity adsorption filtration to it, then personnel open solenoid valve 4 through control switch group 6 control, carry out the unloading to the aromatherapy volatile liquid that filters the completion from active carbon filter screen 13, when needs change active carbon filter screen 13, personnel dial clamp plate 9 of both sides right, make it leave the surface of active carbon filter screen 13, then personnel take out in the sliding tray on the filter tank 3 with active carbon filter screen 13 through the handle, then personnel insert new active carbon filter screen 13 again in the sliding tray, then personnel dial clamp plate 9 of both sides left, make its laminating active carbon filter screen 13's surface, accomplish the locking, the resilience force of spring 12 during that can make clamp plate 9 of both sides laminate active carbon filter screen 13 tightly, can effectually increase the filtration efficiency of one deck macroparticle of aromatherapy volatile liquid through rocking filter mechanism 2, secondary adsorption filter screen can dismantle fast, make personnel change the in-process.
Wherein: the device also comprises a control switch group 6, wherein the control switch group 6 is arranged on the front side surface of the support frame 1, the input end of the control switch group 6 is electrically connected with an external power supply, and the operation is controlled.
The utility model provides a multi-filtering device for producing aromatherapy volatile liquid, which has the following working principle: personnel will need carry out filterable champignon volatile liquid and add to the inside of rose box 3 through feed hopper 7, champignon volatile liquid drops to filter screen frame 25 through the refluence of water conservancy diversion dish 8, then personnel opens motor 22 operation through control switch group 6 control, the output shaft rotates and drives crank 23 and make the radius rotation for the centre of a circle, crank 23 drives the connecting rod, the connecting rod drives filter screen frame 25 and inside champignon volatile liquid on rocking board 21 do reciprocal rocking, make the more quick repeated flow of champignon volatile liquid carry out first layer filtration, the champignon volatile liquid that has filtered drops to active carbon filter screen 13 owing to self gravity, active carbon filter screen 13 carries out impurity adsorption filtration to it, immediately personnel opens solenoid valve 4 through control switch group 6 control, carry out the unloading to the champignon volatile liquid that filters from active carbon filter screen 13, when needs to change active carbon filter screen 13, personnel dial clamp plate 9 in the sliding tray on the rose box 3 for the centre of a circle, personnel take out in the sliding tray on active carbon filter screen 13 through the handle, then personnel inserts new active carbon 13 to the sliding tray, can make the filter screen 13 again and detach the filter screen 13, can be carried out the filtration efficiency of the filter screen mechanism through the quick, can be accomplished in the filter screen 13 is realized to the following time-saving mechanism, the filter screen is high-efficient in the time-saving, the filter screen can be removed to the filter screen 13 is realized to the following the filter screen surface, the filtration mechanism is easy, the filter plate can be equipped with high-efficient, the filter plate can be equipped with the filter 13, and can be equipped with the filter 13 to filter the filter 13, and can be one side can be used to the filter the surface.
It should be noted that the motor 22 disclosed in the above embodiment may be SM3L-042A1BDV, the solenoid valve 4 may be freely configured according to the situation, and the control switch group 6 is provided with control buttons corresponding to the motor 22 and the solenoid valve 4 one by one and used for controlling the switch thereof.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (7)
1. The utility model provides a multiple filter equipment of champignon volatile liquid production which characterized in that: comprises a supporting frame (1) and a shaking filtering mechanism (2);
support frame (1): the filter box (3) is arranged inside the filter box, a feeding funnel (7) is arranged at a feeding hole formed in the upper end of the filter box (3), a discharging pipe (5) is arranged at a discharging hole formed in the lower end of the filter box (3), a flange plate is arranged at the lower end of the discharging pipe (5), a flow guide disc (8) is arranged at the upper end inside the filter box (3), a glass window is arranged in a mounting hole formed in the front side surface of the filter box (3), and padding is arranged at four corners of the lower end of the support frame (1);
shaking filtering mechanism (2): the filter screen comprises a shaking plate (21) and a filter screen frame (25), wherein the shaking plate (21) is slidably connected into a sliding notch formed in the left side of the upper end of the filter tank (3), and the filter screen frame (25) is fixedly connected to the upper end of the shaking plate (21).
2. The aromatherapy volatile liquid production multiple filtration device of claim 1, wherein: the control switch group (6) is arranged on the front side surface of the supporting frame (1), and the input end of the control switch group (6) is electrically connected with an external power supply.
3. The aromatherapy volatile liquid production multiple filtration device of claim 2, wherein: the shaking filtering mechanism (2) further comprises a motor (22), a crank (23) and a rotating seat (24), the rotating seat (24) is arranged on the right side of the upper end of the shaking plate (21), a connecting rod is connected to the rotating seat (24) in a rotating mode, the crank (23) is connected to the upper end of the right side of the connecting rod in a rotating mode, the motor (22) is arranged at the upper end of the right side of the filtering box (3), an output shaft of the motor (22) is fixedly connected with the bottom end of the crank (23), and the input end of the motor (22) is electrically connected with the output end of the control switch group (6).
4. The aromatherapy volatile liquid production multiple filtration device of claim 1, wherein: the active carbon filter screen (13) is connected in a sliding way in a sliding groove formed in the lower end of the front side of the filter box (3), and a handle is arranged in the middle of the front side of the active carbon filter screen (13).
5. The aromatherapy volatile liquid production multiple filtration device of claim 4, wherein: the left side and the right side of the lower end of the filter box (3) are respectively connected with a rotating column (11) in a rotating mode, pressing plates (9) are respectively connected to the outer cambered surfaces of the rotating columns (11) in a sliding mode, and the pressing plates (9) are respectively matched with an activated carbon filter screen (13).
6. The aromatherapy volatile liquid production multiple filtration device of claim 5, wherein: the front end of the rotating column (11) is fixedly connected with a limiting disc (10), springs (12) are respectively arranged between the pressing plate (9) and the limiting disc (10), and the springs (12) are respectively sleeved on the outer cambered surfaces of the rotating column (11).
7. The aromatherapy volatile liquid production multiple filtration device of claim 2, wherein: the middle part of discharging pipe (5) is established ties and is had solenoid valve (4), and the output of control switch group (6) is connected to the input electricity of solenoid valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321792485.3U CN220328154U (en) | 2023-07-10 | 2023-07-10 | Multiple filter equipment of champignon volatile liquid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321792485.3U CN220328154U (en) | 2023-07-10 | 2023-07-10 | Multiple filter equipment of champignon volatile liquid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220328154U true CN220328154U (en) | 2024-01-12 |
Family
ID=89447233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321792485.3U Active CN220328154U (en) | 2023-07-10 | 2023-07-10 | Multiple filter equipment of champignon volatile liquid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220328154U (en) |
-
2023
- 2023-07-10 CN CN202321792485.3U patent/CN220328154U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209348812U (en) | Grinding device is used in a kind of production and processing of putty powder for exterior wall | |
| CN111673536B (en) | Cooling liquid solid-liquid separation device assembly for mechanical milling equipment | |
| CN206151870U (en) | Over -and -under type filters integration traditional chinese medicine and fries in shallow oil system equipment | |
| CN106140441B (en) | A kind of small cotton stalk crasher | |
| CN220328154U (en) | Multiple filter equipment of champignon volatile liquid production | |
| CN107136540A (en) | A kind of chopped chilli automatic producing device | |
| CN213610136U (en) | Filter equipment is used in grease production | |
| CN106473196A (en) | A kind of Semen Glycines Germinatus clean the operational approach of device for peeling | |
| CN210177267U (en) | Paper pulp filter equipment is used in corrugated paper manufacturing | |
| CN111876234A (en) | Tea-seed oil production is with multiple grinding equipment of squeezing | |
| CN208991240U (en) | A kind of construction site sandstone screening plant | |
| CN113402366B (en) | Cannabidiol purification device and cannabidiol purification method | |
| CN209005922U (en) | A kind of automobile production raw material disintegrating apparatus | |
| CN214716918U (en) | Unloader of electronic stone mill | |
| CN213409046U (en) | Edulcoration device of battery thick liquids processing usefulness | |
| CN211677376U (en) | Raw material mixing device for filter material processing | |
| CN207734702U (en) | A kind of fine chemical product filter device | |
| CN209053149U (en) | A kind of integrated apparatus suitable for two-wheel flute milling machine hard rock operation Slurry treatment | |
| CN208684437U (en) | It is a kind of for metallic leatherette paper processing after water process recycling equipment | |
| CN218923927U (en) | Pressurized iron concentrate dewatering device | |
| CN106140618A (en) | Novel ceramsite filtrate screening plant | |
| CN220715118U (en) | Double-layer rolling screen for ceramic raw material production | |
| CN219156655U (en) | Membrane filtration equipment for sewage treatment | |
| CN218306630U (en) | Filter material device is used in emulsifier production | |
| CN217265117U (en) | Geothermal liquid separation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |