CN107692874A - Rotating speed adjusting system of bean grinding device - Google Patents
Rotating speed adjusting system of bean grinding device Download PDFInfo
- Publication number
- CN107692874A CN107692874A CN201710961268.5A CN201710961268A CN107692874A CN 107692874 A CN107692874 A CN 107692874A CN 201710961268 A CN201710961268 A CN 201710961268A CN 107692874 A CN107692874 A CN 107692874A
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- China
- Prior art keywords
- gear
- motor
- potentiometer
- fluted disc
- milling device
- 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.)
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Links
- 235000010627 Phaseolus vulgaris Nutrition 0.000 title claims abstract description 43
- 244000046052 Phaseolus vulgaris Species 0.000 title claims abstract description 43
- 238000000227 grinding Methods 0.000 title abstract description 19
- 238000003801 milling Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 229910001651 emery Inorganic materials 0.000 claims description 30
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 38
- 230000008859 change Effects 0.000 description 17
- 230000005611 electricity Effects 0.000 description 6
- 241000533293 Sesbania emerus Species 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012886 linear function Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J42/00—Coffee mills; Spice mills
- A47J42/12—Coffee mills; Spice mills having grinding discs
- A47J42/18—Adjusting mechanisms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J42/00—Coffee mills; Spice mills
- A47J42/12—Coffee mills; Spice mills having grinding discs
- A47J42/16—Coffee mills; Spice mills having grinding discs mechanically driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of bean grinding machines, in particular to a rotating speed adjusting system of a bean grinding device, wherein the bean grinding device comprises a grinding wheel set, a gear disc and a motor, the motor drives the grinding wheel set to grind beans, the gear disc is used for adjusting the grinding wheel set to switch between a bean grinding coarse gear and a bean grinding fine gear, the adjusting system comprises an adjusting gear, a potentiometer and a controller, the adjusting gear is meshed with the gear disc and is in transmission fit with the potentiometer, the potentiometer is connected to the input end of the controller, and the output end of the controller is connected to the control end of the motor. The invention can automatically adjust the rotating speed of the motor according to the milling gear, so that the powder output amount is relatively reduced when coarse powder is milled, the powder output amount is relatively increased when fine powder is milled, and the problems that the motor is easily damaged due to overlarge load and the milling device is blocked can be avoided.
Description
Technical field
The present invention relates to bean milling machine technical field, refers in particular to a kind of speed adjustment system of bean milling device.
Background technology
At present, develop what is used for common people in the industry, carry out boiling punching by coffee bean grinding into powder and with leak through type
The coffee machine of bubble is rather diversified on group volume morphing, and the coffee machine of these difference group body forms is to carry out powder to coffee bean
During the grinding of end, the grinding fineness degree that can be liked according to individual is different and does different selections, then carries out next step again by boiling
Boiling hot boiling water is brewed coffee powder with leak through type.Consumer wants to select different grinding fineness degrees to select difference
The coffee machine of group volume morphing is very inconvenient.Therefore, China Patent Publication No. is that CN2717348 proposes a kind of full-automatic coffee
Coffee machine, the coffee machine that power motor and change-speed gearing group are assembled with offer are carrying out the regulation of coffee bean grinding powder thickness, by
Gone out by the shaft section that interior abrasive article extends upward in the pipeline section among stacker, smaller footpath bearing end can be cut by upper end one and is matched somebody with somebody
Its guiding piece centre bore fit of conjunction adjusting part, and come and interior abrasive article central shaft by the solid component for being inserted in packing ring therebetween
The screw that bar segment upper end has is made orientation rotation and is locked into one, and guiding piece side periphery is locked making urgent rotation with driving lever threaded one end section
Screw make steadily to combine, be that can allow accommodating carry out activity in the recessed breach scope of hopper topside periphery on the outside of the driving lever
Displacement；To drive interior abrasive article to carry out oscilaltion in the lump by guiding piece, it is able to make with the grinding backlash of outer grinding part
Correspondingly sized regulation, with the coffee powder to coffee bean grinding into default fineness degree.Above-mentioned milling device, due to turning for motor
Speed is constant, therefore in pulverized powder, motor load is larger, motor is easily damaged, and milling device has stall
Hidden danger, while powder outlet quantity is few；And when grinding coarse powder, machine loading is smaller, and powder outlet quantity is larger.In the program, milling device goes out
Powder amount can change with milling gear, and the powder outlet quantity in the unit interval can not match with coffee machine to the demand of ground coffee,
Motor simultaneously also be present and be easily damaged, the problem of milling device easy stall.
The content of the invention
The purpose of the present invention is to propose to a kind of speed adjustment system of bean milling device, can be automatically adjusted according to milling gear
Motor speed, powder outlet quantity during mill coarse powder is set to tail off relatively, and the relative change of powder outlet quantity is more in pulverized powder, while electricity can also be avoided
Machine load excessive is easily damaged, and the problem of milling device stall.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：A kind of speed adjustment system of bean milling device,
The bean milling device includes emery wheel group, toothed disc and motor, and the motor driving emery wheel group rotates mill beans, and the toothed disc is used for
Adjust the emery wheel group between the mill thick shelves of beans and thin shelves to switch, it is characterised in that the regulating system includes adjustment gear, electricity
Position device and controller, the adjustment gear are engaged with the toothed disc, and the adjustment gear is matched somebody with somebody with potentiometer transmission
Close, the potentiometer is connected to the input of the controller, and the output end of the controller is connected to the control of the motor
End.The present invention can make powder outlet quantity during mill coarse powder tail off relatively according to milling gear self-regulation motor rotating speed, and in pulverized powder
When powder outlet quantity is relative becomes more, while can also avoid motor load is excessive from being easily damaged, and the problem of milling device stall.
According to above scheme, the adjustment gear includes rotating shaft, the first fluted disc and the second fluted disc, first fluted disc and
Two fluted discs are installed on synchronous axial system in the rotating shaft side by side；First fluted disc engages with the toothed disc, second tooth
Disk coordinates with potentiometer transmission., can be when regulation be milled gear by this structure of adjustment gear, same to step
The input voltage of motor is saved to change the rotating speed of motor, makes motor speed and milling gear more intelligent Matching.
According to above scheme, the toothed disc is coordinated with first fluted disc using taper tooth form to be driven.Using conical tooth
Transmission coordinate, the transmission between the toothed disc and the first fluted disc is more laborsaving, and drive mechanism is more reliable, while can be with
Reduce the space-consuming of transmission mechanism.
According to above scheme, the potentiometer is provided with driving cog, and second fluted disc is meshed with the driving cog.Electricity
Position device is engaged by driving cog with the second fluted disc, gear regulation running is more accurately got by potentiometer, so that control
Device can according to gear adjust accurate information regulation motor rotating speed.
According to above scheme, the potentiometer is installed by support and fixed.Potentiometer is fixedly connected by support, makes electricity
Driving cog and the second fluted disc on the device of position can be maintained under reliable and stable engagement, potentiometer is obtained exactly all the time
Win the confidence breath.
According to above scheme, one end of the rotating shaft is connected with knob.Rotating shaft is operated by knob, is carrying out user
Gear is more laborsaving when adjusting also to be more convenient.
According to above scheme, the potentiometer is used for the mill beans gear information for detecting the emery wheel group, and the controller connects
Receive the mill beans gear information and change the input voltage of the motor accordingly.The gear that controller is got according to potentiometer is believed
The input voltage of motor is adjusted in linkage for breath, and the rotating speed and gear for making motor match, no matter grinding coarse powder or levigate
Powder can ensure motor load equilibrium, and the situation for not having stall occurs.
According to above scheme, the mill beans gear information of the emery wheel group is closed with the input voltage of the motor for linear function
System.Linear function is used between the gear of emery wheel group and the input voltage of motor, namely the gear of emery wheel group and the rotating speed of motor
Relation, make the linear change of the linear change drive motor rotating speed of gear, the matching between such gear and rotating speed is finer, mill
Powder effect is outstanding.
The speed adjustment system of the bean milling device of the present invention, the toothed disc adjusted by being used for gear in emery wheel group,
Transmission is with unification adjustment gear so that the gear regulation more convenient operation of emery wheel group is laborsaving, and is linked in adjustment gear
Ground is configured with potentiometer, the regulation of adjustment gear is operated and can be got completely and by potentiometer exactly, such controller
It can be operated with the gear regulation got according to potentiometer to regulate and control being raised and lowered for the input voltage of motor, so that motor
Rotating speed changed according to the change of gear, gear to mill coarse powder thick shelves adjust when, the rotating speed of motor can follow gear to adjust
Section process is gradually reduced, and reaches relatively low rotating speed to be milled, and to reduce powder outlet quantity, and is adjusted in gear to the thin shelves of pulverized powder
During section, the rotating speed of motor can follow gear regulation process to be gradually increasing, and improve the power output of motor, while increase powder outlet quantity,
The problem of avoiding motor rotation blockage, while can also be not damaged motor.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of the present invention.
In figure：1st, emery wheel group；2nd, toothed disc；3rd, motor；4th, adjustment gear；5th, potentiometer；6th, controller；7th, rotating shaft；8、
First fluted disc；9th, the second fluted disc；10th, driving cog；11st, support；12nd, knob.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of speed adjustment system of bean milling device of the present invention, the bean milling device includes emery wheel
Group 1, toothed disc 2 and motor 3, the motor 3 drive emery wheel group 1 to rotate mill beans, and the toothed disc 2 is used to adjust the emery wheel group
1 switches between the mill thick shelves of beans and thin shelves, it is characterised in that the regulating system includes adjustment gear 4, potentiometer 5 and control
Device 6, the adjustment gear 4 engage with the toothed disc 2, and the adjustment gear 4 coordinates with the potentiometer 5 transmission, institute
The input that potentiometer 5 is connected to the controller 6 is stated, the output end of the controller 6 is connected to the control of the motor 3
End.The speed adjustment system of the bean milling device of the present invention, the toothed disc 2 adjusted by being used for gear in emery wheel group 1, transmission
With unification adjustment gear 4 so that the gear regulation more convenient operation of emery wheel group 1 is laborsaving, and in adjustment gear 4 in linkage
Potentiometer 5 is configured with, the regulation of adjustment gear 4 is operated and completely and exactly can be got by potentiometer 5, such controller
6 can be operated to regulate and control being raised and lowered for the input voltage of motor 3 with the gear regulation got according to potentiometer 5, so that
The rotating speed of motor 3 changes according to the change of gear, and when the thick shelves of gear to mill coarse powder are adjusted, the rotating speed of motor 3 can follow
Gear regulation process is gradually reduced, and reaches relatively low rotating speed to be milled, to reduce powder outlet quantity, and in gear to pulverized powder
During thin shelves regulation, the rotating speed of motor 3 can follow gear regulation process to be gradually increasing, and improve the power output of motor 3, increase simultaneously
Powder outlet quantity, the problem of avoiding 3 stall of motor, while also can be not damaged motor 3.
Specifically, as shown in figure 1, the adjustment gear 4 includes rotating shaft 7, the first fluted disc 8 and the second fluted disc 9, described first
The fluted disc 9 of fluted disc 8 and second is installed on synchronous axial system in the rotating shaft 7 side by side；First fluted disc 8 is nibbled with the toothed disc 2
Close, second fluted disc 9 coordinates with the potentiometer 5 transmission.By this structure of adjustment gear 4, can be milled in regulation
When gear, the input voltage of motor 3 is adjusted in synchronism to change the rotating speed of motor 3, makes the rotating speed of motor 3 with being milled gear more
Intelligent Matching.
The toothed disc 2 is coordinated with first fluted disc 8 using taper tooth form to be driven.Coordinated using the transmission of conical tooth,
Make the transmission between the secret fluted disc 8 of toothed disc 2 and first more laborsaving, and drive mechanism is more reliable, while transmission can also be reduced
The space-consuming of mechanism.
The potentiometer 5 is provided with driving cog 10, and second fluted disc 9 is meshed with the driving cog 10.Potentiometer 5 is logical
Cross driving cog 10 to engage with the second fluted disc 9, gear regulation running is more accurately got by potentiometer 5, so that controller 6
Can according to gear adjust accurate information regulation motor 3 rotating speed.
The potentiometer 5 is installed by support 11 and fixed.Potentiometer 5 is fixedly connected by support 11, is made on potentiometer 5
The fluted disc 9 of driving cog 10 and second can be maintained under reliable and stable engagement, potentiometer 5 is obtained exactly all the time
Information.
One end of the rotating shaft 7 is connected with knob 12.Rotating shaft 7 is operated by knob 12, user is being carried out gear tune
It is more laborsaving during section to be also more convenient.
The potentiometer 5 is used for the mill beans gear information for detecting the emery wheel group 1, and the controller 6 receives the mill beans
Gear information and the input voltage for changing the motor 3 accordingly.The gear information that controller 6 is got according to potentiometer 5 links
The input voltage of motor 3 is adjusted on ground, and the rotating speed and gear for making motor 3 match, no matter mill coarse powder or pulverized powder are equal
The load balancing of motor 3 can be ensured, the situation for not having stall occurs.The mill beans gear information of the emery wheel group 1 and the electricity
The input voltage of machine 3 is linear functional relation.The gear of emery wheel group 1 and the input voltage of motor 3, namely the gear of emery wheel group 1
Linear functional relation is used between the rotating speed of motor 3, makes the linear change of the rotating speed of linear change drive motor 3 of gear, this
Matching between sample gear and rotating speed is finer, and milling effect is outstanding.
User can adjust the milling thickness journey of bean milling device when using bean milling device according to the demand of oneself
Degree.Specifically, by turning knob 12 knob 12 can be made to be rotated with rotating shaft 7, during rotating shaft 7 rotates, due to the
One fluted disc 8 is structure as a whole with rotating shaft 7, and the first fluted disc 8 synchronous axial system, such first fluted disc 8 be able to will drive together with rotating shaft 7
The toothed disc 2 being engaged with rotates, and matching relationship when toothed disc 2 rotates between emery wheel group 1 changes, and makes emery wheel
The milling thickness of group 1 changes.When toothed disc 2 rotates to a direction, the milling gear of emery wheel group 1 is from thick shelves to thin shelves
Change, and when toothed disc 2 rotates to another direction, the milling gear of emery wheel group 1 then changes from thin shelves to thick shelves, passes through rotation
Button 12 operation can with realize the milling gear of emery wheel group 1 adjust.Due to also having the second of structure in conjunction in rotating shaft 7
Fluted disc 9, when rotating shaft 7 drives lower rotation in knob 12, the second fluted disc 9 also can synchronous axial system therewith, such second fluted disc 9 will
The synchronous axial system of driving cog 10 being engaged with is driven, when driving cog 10 rotates, potentiometer 5 will receive rotation information, this
Rotation information is corresponding with the gear regulation action of emery wheel group 1.After potentiometer 5 receives this rotation information, control is sent it to
Device 6 processed, controller 6 can be adjusted with adjusting information according to this gear according to built-in algorithm to the input voltage of motor 3
Section, to change the real-time rotating speed of motor 3.For example when gear gradually changes from thick shelves to thin shelves, controller 6 will control electricity
The rotating speed of machine 3 gradually rises, and when gear is adjusted to thin shelves completely, the rotating speed of motor 3 reaches maximum speed, makes motor 3
Power output strengthens, and grinds beans powder outlet quantity to improve, reduces the possibility of stall；When gear gradually changes from thin shelves to thick shelves,
Controller 6 will the rotating speed of controlled motor 3 gradually reduce, when gear is adjusted to thick shelves completely, the rotating speed of motor 3 reaches most
The slow-speed of revolution.The present invention can make the gear of emery wheel group 1 adjust the relation for forming linear function with the rotational speed regulation of motor 3, make shelves
Position varies slightly, and the rotating speed of motor 3 will change therewith, and gear regulated quantity is bigger, and the rotation speed change of motor 3 can also be got over therewith
Greatly, the rotation speed change of motor 3 has very sensitive servo-actuated reaction to gear regulation.By the rotational speed regulation of the present invention, make mill
The operating efficiency that beans device can be optimal in all cases, and can effectively protect motor 3 to be not damaged and influence to make
With the life-span, while the powder outlet quantity under thin shelves milling state can also be improved, improve the usage experience of user.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (7)
1. a kind of speed adjustment system of bean milling device, the bean milling device includes emery wheel group, toothed disc and motor, the motor
Emery wheel group is driven to rotate mill beans, the toothed disc switches for adjusting the emery wheel group between the mill thick shelves of beans and thin shelves, and it is special
Sign is that the regulating system includes adjustment gear, potentiometer and controller,
The adjustment gear engages with the toothed disc, and the adjustment gear coordinates with potentiometer transmission,
The potentiometer is connected to the input of the controller, and the output end of the controller is connected to the control of the motor
End.
2. the speed adjustment system of bean milling device according to claim 1, it is characterised in that the adjustment gear includes turning
Axle, the first fluted disc and the second fluted disc, first fluted disc and the second fluted disc are installed on synchronous axial system in the rotating shaft side by side；Institute
State the first fluted disc to engage with the toothed disc, second fluted disc coordinates with potentiometer transmission.
3. the speed adjustment system of bean milling device according to claim 2, it is characterised in that the toothed disc and described the
One fluted disc coordinates transmission using taper tooth form.
4. the speed adjustment system of bean milling device according to claim 2, it is characterised in that the potentiometer, which is provided with, to be passed
Moving teeth, second fluted disc are meshed with the driving cog.
5. the speed adjustment system of bean milling device according to claim 4, it is characterised in that the potentiometer passes through support
Installation is fixed.
6. the speed adjustment system of bean milling device according to claim 2, it is characterised in that one end connection of the rotating shaft
There is knob.
7. the speed adjustment system of the bean milling device according to any one of claim 1~6, it is characterised in that the current potential
Device is used for the mill beans gear information for detecting the emery wheel group, and the controller receives the mill beans gear information and changes institute accordingly
State the input voltage of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961268.5A CN107692874A (en) | 2017-10-14 | 2017-10-14 | Rotating speed adjusting system of bean grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961268.5A CN107692874A (en) | 2017-10-14 | 2017-10-14 | Rotating speed adjusting system of bean grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107692874A true CN107692874A (en) | 2018-02-16 |
Family
ID=61183705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961268.5A Pending CN107692874A (en) | 2017-10-14 | 2017-10-14 | Rotating speed adjusting system of bean grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107692874A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109744897A (en) * | 2019-03-05 | 2019-05-14 | 青岛汉尚电器有限公司 | A kind of cook's machine and its gear and time adjustment method |
| IT201900000591A1 (en) * | 2019-01-15 | 2020-07-15 | La Marzocco Srl | Coffee grinder configured to supply a dose of stratified ground coffee and relative method |
| WO2023212909A1 (en) * | 2022-05-06 | 2023-11-09 | Haier Us Appliance Solutions, Inc. | Systems for grind duration adjustment for grinders |
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| CN2717348Y (en) * | 2004-04-16 | 2005-08-17 | 大统营实业股份有限公司 | Full-automatic coffee-making machine |
| CN101633043A (en) * | 2008-07-23 | 2010-01-27 | 甘肃稀土新材料股份有限公司 | Preparation method of high performance hydrogen storage alloy powder |
| US20100170971A1 (en) * | 2007-05-23 | 2010-07-08 | Luca Doglioni Majer | Device for grinding coffee or other alimentary substances |
| CN202069457U (en) * | 2011-04-29 | 2011-12-14 | 九阳股份有限公司 | Novel soya-bean milk maker |
| CN202875028U (en) * | 2012-08-15 | 2013-04-17 | 威斯达电器(中山)制造有限公司 | Beam-grinding coffee maker |
| CN104172946A (en) * | 2014-08-08 | 2014-12-03 | 广东新宝电器股份有限公司 | Flour milling device |
| CN208463790U (en) * | 2017-10-14 | 2019-02-05 | 广东新宝电器股份有限公司 | Rotating speed adjusting system of bean grinding device |
-
2017
- 2017-10-14 CN CN201710961268.5A patent/CN107692874A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717348Y (en) * | 2004-04-16 | 2005-08-17 | 大统营实业股份有限公司 | Full-automatic coffee-making machine |
| US20100170971A1 (en) * | 2007-05-23 | 2010-07-08 | Luca Doglioni Majer | Device for grinding coffee or other alimentary substances |
| CN101633043A (en) * | 2008-07-23 | 2010-01-27 | 甘肃稀土新材料股份有限公司 | Preparation method of high performance hydrogen storage alloy powder |
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| CN202875028U (en) * | 2012-08-15 | 2013-04-17 | 威斯达电器(中山)制造有限公司 | Beam-grinding coffee maker |
| CN104172946A (en) * | 2014-08-08 | 2014-12-03 | 广东新宝电器股份有限公司 | Flour milling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900000591A1 (en) * | 2019-01-15 | 2020-07-15 | La Marzocco Srl | Coffee grinder configured to supply a dose of stratified ground coffee and relative method |
| WO2020148258A1 (en) | 2019-01-15 | 2020-07-23 | La Marzocco S.R.L. | Coffee grinding machine configured to provide a dose of stratified ground coffee and associated method |
| CN109744897A (en) * | 2019-03-05 | 2019-05-14 | 青岛汉尚电器有限公司 | A kind of cook's machine and its gear and time adjustment method |
| WO2023212909A1 (en) * | 2022-05-06 | 2023-11-09 | Haier Us Appliance Solutions, Inc. | Systems for grind duration adjustment for grinders |
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